Beta-Lactamase DataBase (BLDB): Structure and Function
Beta-Lactamase DataBase
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Beta-Lactamase DataBase

Sequence alignment for the BcII-1-like beta-lactamase family

BcII-1
........10........20........30........40........50........60........70........80........90.......100.......110.......120.......130.......140.......150.......160.......170.......180.......190.......200.......210.......220.......230.......240.......250.......260.......
MKKNTLLKVGLCVGLLGTIQFVSTISSVQASQKVEKTVIKNETGTISISQLNKNVWVHTELGSFNGEAVPSNGLVL--------NTSKGLVLVDSSWDDKLTKELIEMVEKKFQKRVTDVIITHAHADRIGGIKTLKERGIKAHSTALTAELAKKNGYEEPLGDLQTVTNLKFGNMKVETFYPGKGHTEDNIVVWLPQYNILVGGCLVKSTSAKDLGNVADAYVNEWSTSIENVLKRYRN--INAVVPGHGEVGDKGLLLHTLDLLK
BcII-2-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------......................D.A....KN...........................T...T...................AI.K..............................M.........A.......IT..................E.--..F...................... 88.33 %
BcII-3.............S....T................QI.........................Y.............--------..............N..................................TA....................S...................T.......................Q..A.......AE..N..................M......--..L......K............... 93.00 %
BcII-4-M......L.V..S...ITP..........ER...HK.........................Y...........I.--------........................A....K.S..............................T...................AI.K..............................M.........A.......IT..................E.--..F...................... 89.49 %
BcII-5-M......L.V..S...ITP..........ER...HK.........................C...........I.--------........................A....K.S..............................T...................AI.K..............................M.........A.......IT..................E.--..F...................... 89.49 %
BcII-6-M......L.V..S...ITPI.........ERT..HK.........................Y...........I.--------........................A....K........................K......................I....AI.K.......I..................S.....A.......A........................T....I--............R.......E... 87.60 %
BcII-7........L.V..S..............K.E..L.QK.........................Y...V....S....--------T............................K.....................................................I..M....I..........................A.......AE..........................G.--M.L..........R..F........ 90.66 %
BcII-10.............S...VS..A.A..P...VE.I.QK....AE.........SK......V.Y.......A.....--------......................................................K..Q............E..........K.I..M............................K..A.......AD................A..G..MN..K.--MKS......D.......I....... 85.21 %
BcII-11........I....S...AS..ATA..P...E.E..QK................H........Y...VT........--------..........................................E........................................I.SM.Y..........................K..A........E................G......N..G.--MIS......H............... 87.94 %
BcII-12........I....S...AS..ATA..P...E.E..QK.........................Y...V.........--------..........................................E.....M..................I...............I..M.Y.............................A........E................G......N..G.--MIS......H............... 88.72 %
BcII-13........I....S...AS..ATA..P...E.E..QK.........................Y...V.........--------..........................................E.....M..................I...............I..M.Y..........................K..A........E................G......N..G.--MIS......H............... 88.33 %
BcII-14......I......S...A............E....QK..........L..............Y........S....--------T.........................N................................................K.......I..M............................K..A.......AE.......................N..G.--..S..........R........... 91.44 %
BcII-15......I......S...A............E....QK..R.......L..............Y........S....--------T.....................K......K.....................................................I...............................K..A........E.......................N..K.--M.L.L........R........... 91.05 %
BcII-16......I......S...A............E....QK..........L..............Y........S....--------T.....................K......K.....................................................I...............................K..A........E.......................N..K.--M.L.L........R........... 91.44 %
BcII-17....S.....V..S...AT...........ERT..QK.........................Y.............--------..........................................................................D........I..M....I............D..........K..A.......AE................I......N..G.--M.L..........R........... 89.88 %
BcII-18....I........S...A.....V..P...ERT...K.........................Y...V.........--------T............................K.....................................................I..M....I..........................A.......AE.......................N..G.--M.L..........R........... 90.66 %
BcII-19.............S.........V..P...ERT...K.........................Y...V.........--------T............................K.....................................................I..M....I....................L.....A.......AE................I.........G.--M.L..........R........... 91.05 %
BcII-20.............S.........V..P...ERT...K.........................Y...V.........--------T............................K.....................................................I..M....I..........................A.......AE................I.........G.--M.L..........R........... 91.44 %
BcII-21..........V..S...LT.........K.E..L.QK.........................Y.............--------T................................................R........................D........I..M......I.....................K..A.......AE..........................G.--M.V.L.................... 90.66 %
BcII-22..........V..S...LT.........K.E..L.QK......E..................Y.............--------T.........................................................................D........I..M............................K..A.......AE..........................G.--M.V.L.................... 91.05 %
BcII-23........L.V..S....T.........K.E..L.QK..........L..............Y........S....--------T............................K.....................................................I...............................K..A.......AE.......................N..G.--M.S......DI.............. 90.27 %
BcII-24........L.V..S....T.........K.E..L.QK..........L..............Y........S....--------T............................K.....................................................I..M..E.........................K..A.......AE................I......N..G.--M.S......D............... 89.49 %
BcII-25........L.V..S....T.......F.K.E..L.QK..........L..............Y........S....--------T...............................................M.........................D........I..M............................K..A.......AE.......................N..G.--..S..........R........... 89.88 %
BcII-26........L.V..S....T.........K.E..L.QK..........L..............Y........S....--------T..................................................................................I...............................K..A.......AE.......................N..G.--..S..........RE.......... 91.05 %
BcII-27........L.V..S....T.........K.E.ML..K.........................Y....T........--------...........................................................................D.......I..................................A.......AG................I.......L.G.--M.L..........R........... 91.44 %
BcII-28-M......L.V..S...ITP..........ERT..HK.....P...................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.S.........................G.I--.L..........R........... 89.15 %
BcII-29........L.V..S....T.........K.E.ML..K.........................Y....T........--------...........................................................................D.......I..................................A.......AG................I.........G.--M.L..........R........... 91.83 %
BcII-30........L.V..S....T.........K.E..L.QK..........L..............Y........S....--------T............................K.....................................................I..M....I.......................K..A.......ADS.G................G...N..G.--MKL..........R........... 88.33 %
BcII-31....I.....V..S..............K.E..L.QK.........................Y...V.........--------...................................................................................I..M....I..........................A.......AE................I......N..G.--T.S......DI..........N... 90.66 %
BcII-32....I.....V..S..............K.E..L.QK.........................Y...V.........--------..........................................T........................................I..M....I..........................A.......AE................I......N..G.--T.S......DI..........N... 90.27 %
BcII-33....I.....V..S..............K.E..L.QK.........................Y...V.........--------.......................................................D...........................I.......I..........................A.......AE................I.........G.--T.L..........R........... 91.83 %
BcII-34....I.....V..S..............K.E..L.QK.........................Y...V.........--------..................................................M................................I.......I..........................A.......AE................I......N..G.--M.L..........R........... 91.44 %
BcII-35....I.....V..S..............K.E..L.QK.........................Y...V.........--------..................................................M................................I.......I..................G.......A.......AE................I......N..G.--M.L..........R........... 91.05 %
BcII-36..........V..S..............K.E..L.QK.........................Y...V.........--------.............................K................................V....................I..M....I..........................A.......AE................I.V.......G.--T.L..........R........... 91.05 %
BcII-37....I.....V..S..............K.E..L.QK.........................Y...V.........--------.............................K................................V....................I..M....I..........................A.......AE................I......N..G.--T.S..........R........... 90.66 %
BcII-38....I.....V..S..............K.E..L.QK.........................Y...V.........--------T............................K................................V....................I..M....I..........................A.......AE.......................N..G.--M.L..........R........... 90.66 %
BcII-39....I.....V..S..............K.E..L.QK.........................Y...V.........--------T............................K................................V....................I..M....I..........................A.......AE................I......N..G.--M.L..........R........... 90.27 %
BcII-40........L.V..S....T.........K.E..L.QK.........................Y...V....S....--------T..N.........................K.....................................................I..M....I..........................A.......AE.......................N..G.--M.L..........R........... 89.88 %
BcII-41........L.V..S..............K.E..L.QK.........................Y...V.........--------...................................................................................I..M....I..........................A.......AE................I.........G.--M.L..........R........... 91.83 %
BcII-42........L.V..S..............K.E..L.QK.........................Y...V.........--------.............................K.....................................................I..M....I..........................A.......AE.......................N..G.--M.L..........R........... 91.44 %
BcII-43.............S....T................QI.......................................--------.................................................................................................................................-----......................--..V.........N............ 95.72 %
BcII-44-M......L.V..S...ITP..........ERT..HK.....A...................Y.S...........--------.............................K.....A............M.................................S................................Q..A.......A.S.........................G.I--.L.....E....R........... 88.37 %
BcII-46..MHS.....V..S...AT...........ERT..QK..........L..............Y...V.........--------T............................K...............................................I.....I..................................A.......AE..........................G.IN..S..........R........... 89.58 %
BcII-47..MHS.....V..S...AT...........ERT..QK..........L..............Y...V.........--------T............................K.....................................................I.K................................A.......AE..........................G.IN..L.........NR........... 89.19 %
BcII-48..MHS.....V..S...AT...........ERT..QK..........L..............Y...V.........--------T............................K.....................................................I.K................................A.......AE.......................I..G.IN..L.........NR........... 88.80 %
BcII-49-M......L.V..S...ITP..........ERT..HK.........................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.......IT..................G.I--.L..........R........... 89.15 %
BcII-50-M......L.V..S...ITP..........ERT..HK.........................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.......IT..................G.I--.L..S.......R........... 88.76 %
BcII-51-M......L.V..S...ITPI.........ERT..HK.........................Y...........I.--------........................A....K........................K................................N....................I.........A.......A........T..................G.I--.L..........R........... 88.76 %
BcII-52-M......L.V..S.....P..........ERT..HK.........................Y.S...........--------I............................K..................M.......................R.........S................................Q..A.......A.S.........................G.I--.L..........R........... 89.53 %
BcII-53-M......L.V..S...ITP..........ERT..HK.....A...................Y.S...........--------I............................K..................M.................................S................................Q..A.......A.S.......................Q.G.I--.L..........R........... 88.37 %
BcII-55-M......L.V..S...ITP..........ERT..HK.....A...................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.S......V..................G.I--.L..........R........... 88.76 %
BcII-56-M......L.V..S...ITP..........ERT..HK.........................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.S.........................G.I--.L..........R........... 89.53 %
BcII-57-M......L.V..S...ITP..........ERT..HK.....A...................Y.S...........--------.............................K..................M.................................S................................Q..A.......A.S.........................G.I--.L..........R........... 89.15 %
BcII-58-M......L.V..S....T...........ERT..QK...................I.....Y.............--------T............................K.S..............................T......................K.............E...............Q..A.......A.S.........................G.I--.L..........R........... 89.15 %
BcII-59-M......L.V..S....T...........ERT..QK...................I.....Y.............--------T............................K.S.....................................................K.............E...............Q..A.......A.S.........................G.I--.L..........R........... 89.53 %
BcII-60-M......L.V..S....T...........ERT..QK.........................Y.............--------T............................K............S.......................................RI..................................A.......AE..N.......................G.I--........D...R........... 89.92 %
BcII-61-M......L.V..S....T...........ERT..QK.........................Y.............--------T............................K................................................A....I.K................................A.......AE..........................G.I--............R........... 90.70 %
BcII-62-M......L.V..S....T...........ERT..QK.........................Y.............--------T............................K.....................................................I.K................................A.......A.................K.........G.I--............R........... 91.09 %
BcII-63-M......L.V..S....T...........ERT..QK.........................Y.............--------T............................K.....................................................I.K................................A.....E.A.................K.........G.I--........................ 91.09 %
BcII-64....I...L.V..S....T........I..ERT..QKI......................V.Y.............--------TA................................................M................................I..................................A.......AE.......................T....I--............R........... 90.31 %
BcII-65.E..I...L.V..S....T...........ERT..QKI........................Y.............--------T............................K....................M................................I..................................A.......AE..N.........................I--IS..........R........... 89.92 %
BcII-66..N.....L.V..S....T...........E..L..K.....S..........H........Y.............--------T............................K.........................................S..........SI..................................A.......A...........................G.--..S......G..ERD.......... 90.66 %
BcII-67..........V..S....T.........K.E..L.QK.....A...................Y.............--------T...............................................M.............V........G...........I..................................A.......A.S..............PI.........G.--..S......G...RD.......... 90.27 %
BcII-68........L.V..S....T.........K.E..L.QK.....A...................Y.............--------T...............................................M.............V........S...........I..................................A.......A.S..............PI...........--..S......G...RD.......... 90.27 %
BcII-69........L.V..S....T.........K.E..L.QK.....A...................Y.............--------T...............................................M.............V........S...........I..................................A.......A.S..............PI.........G.--..S......G...RD.......... 89.88 %
BcII-70........L.V..S....T.........K.E..L.QK.....A...................Y.............--------T...............................................M.............V........S...........I..................................A.......A.S...............I.........G.--..S......G...RD.......... 90.27 %
BcII-71-M.T....L.V..S......L...V...K.EHTL.QK.....A...................Y.S...........--------T............................K...........................R.........................I..................................A.......A........................T....--.............R........... 89.88 %
BcII-72-M......L.V..S......L...V...K.E..L.QK.V.......................Y.............--------.....V.......................K......................I..............................I.K.............................K..A.......V........................T....--.............R........... 90.66 %
BcII-73-M......L.V..S......L...V...K.E..L.QK.V.......................Y.............--------T....V.......................K......................I..............................I.K.............................K..A.......V........................T....--.............R........... 90.27 %
BcII-74-M......L.V..S...ITPI.........ERT..HK.........................Y...........I.--------........................A....K........................K......................I....AI.K.......I......................M.........A........T..................G.I--.L..........R........... 87.60 %
BcII-75....I...L.V..S....T................QK.M...A...................Y.............--------T...............................................M.................A..........................I.....................Q..A.......AG............................--.IS..........R........... 91.83 %
BcII-76-M......L.V..S...ITPI.........ERT..HK.........................Y...........I.--------........................A....K........................K......................I....AI.K.......I................................A........T..................G.I--.L..........R........... 87.98 %
BcII-77....I...L.V..S....T................QK.M...A...................Y.............--------T...............................................M.................A...E......................I.....................Q..A.......AE............................--.TS..........R........... 91.44 %
BcII-78....I...L.V..S....T................QK.M...A...................Y.............--------T..R.........................K..................M.................................S................................Q..A.......A.S.........................G.--..L..........R........... 91.44 %
BcII-79....I...L.V..S....T................QK.M...A...................Y...........I.--------T..R.........................K....................................A.....................................G.............A.......AD..........................G.--..L..........R........... 91.44 %
BcII-80....I...L.V..S....T................QK.M...A...................Y.............--------T............................K.C..................................A.....................................G.............A.......AD............................--..L..........R........... 92.22 %
BcII-81....I...L.V..S....T................QK.M...A...................Y.............--------T............................K....................................A.....................................G.............A.......AE............................--..L..........R........... 92.61 %
BcII-82....I...L.V..S....T................QK.M...A...................Y.............--------T............................K....................................A.....................................G.............A.......AD............................--..L..........R........... 92.61 %
BcII-83-M......L.V..S...VT.....V...K.E..L.HKA..............N.......................--------.......................................................................S.....F............................................................................G.--..S..........R........... 92.22 %
BcII-84........L.V..S....T....AT...K.E..L.QK.........................Y...........I.--------.................................R.....................................T..........AI.........I.....................Q..A.......AD............................--.TS..........R........... 90.27 %
BcII-85.R......L.V..S....T.........K.EH.L.HK............H......I.....Y.............--------T............................K...............................................I..................................S.....A.......A........................T....--.............R.......E... 91.05 %
BcII-86-M......L.V..S...ITP..........ERT..HN.............F...........Y.S...........--------I............................K..................M.................................S................................Q..A.......A.S.......................Q.G.I--.L..........R........... 88.37 %
BcII-87........L.V..S...IT..I......K.E..L.QK.........................Y.............--------T............................K...................T.....................S...........I.S.....T.......................Q..A.......AE................V..G......K.--M.S......D............... 88.72 %
BcII-88..........V..S....T....AV...K.E..L.QKI...............H........Y.............--------I............................K................................V............K..........................................A.......A...........................GT--..S..........R........... 91.05 %
BcII-89...S......V..S.V.LT..G........E..L.QK.....A...................Y.............--------T....V.......................K................................T....................I...............................K..A.......A....................G..R...G.--.............R........... 90.27 %
BcII-90...S......V..S...LT..G........E.NL.QK.V...S..........H........Y.............--------T............................K................................T....................I..................................A.......A...........................GT--......................... 91.05 %
BcII-91-M........V..S....M......F..K.E..L.QK.........................Y.............--------T............................K.........................................S..........SI...S..............................A.......AE................A.........G.--..S...................... 90.66 %
BcII-92..........V..S...IT..M........E..L.QK.........................Y.............--------I............................K.....................................................I..................................A.......A...........................G.--.............R........... 93.39 %
BcII-93........L.V..S...IT.....V.....E..L.QK.....A...................Y.............--------T............................K.........................................S...........I..................................A.......AE................A.........G.--..S...................... 91.44 %
BcII-94-M......L.V..S...IT.........K.E..L.QK.........................Y.............--------T............................K........................................RY...........I.K.........M......................A.......AE..N.......................G.--.............R........... 89.88 %
BcII-95........L.V..S....T.........K.E..L.QK.........................Y.............--------T............................KQ....F...........................M...................I..................................A.......AE..........................G.--..............E.......... 91.83 %
BcII-96........L.V..S....T.....V...K.E..L.QK.........................Y.............--------T............................K............S........................................I.K...E............................A.......AE..N.......................G.--.............R........... 91.05 %
BcII-97........L.V..S....T.....V...K.E..L.QK.........................Y.............--------T............................K.....................................................I.K...E............................A.......AE..N.......................G.--......................... 91.83 %
BcII-98...D....L.V..S....T.....F...K.E..L.QK.........................Y.............--------T............................K.....................................................I.K...E............................A.......AE..N.......................G.--.............R........... 91.05 %
BcII-99...D....L.V..S....T.....V...K.E..L.QK.........................Y.............--------T............................KQ....................................................I.K...E............................A.......AE..N.......................G.--.............R........... 90.66 %
BcII-100........L.V..S....T.....V...K.E..L.QK.........................Y.............--------T.......I....................KQ....................................................I.K...E............................A.......AE..N.......................G.--.............R........... 90.66 %
BcII-101-M......L.V..S....T....A....K.E..L.QN.........................Y.............--------T............................K.....................................................I................R..............K..A...I...AE.......................Q....--..S..L.......R......V.... 89.49 %
BcII-102-M......L.V..S....T....A....K.E..L.QN.........................Y.............--------T............................K.....................................................I...............................K..A...I...AE.......................Q....--..S..........R......V.... 90.27 %
BcII-103-M......L.V..S....T....A....K.E..L.QK...................I.....Y.............--------T............................K.....................................................I...........A......................A........E..........................G.--.............R........... 91.44 %
BcII-104........L.V..S....T....V....K.E..L.QN.........................Y.............--------T............................K.....................................................I..................................A.......AE..N.......................G.--...........R.R........... 91.83 %
BcII-105-M......L.V..S....T....A....K.E..L.QN.........................Y.............--------T............................K.....................................................I..................................A.......AE..........................G.--.............R........... 91.83 %
BcII-106............................................................................--------.......I.A.............................................................S....................................................................................--..S..........R........... 98.05 %
BcII-107............................................................................--------.......................................................................S.....F..............................................................................--..S..........R........... 98.44 %
BcII-108............................................................................--------.......................................................................S....................................................................................--..S..........R........... 98.83 %
BcII-109............................................................................--------.......................................................................S....................................................................................--................F........ 99.22 %
BcII-110............................................................................--------.......................................................................S....................................................................................--.....L..........F........ 98.83 %
BcII-111............................................................................--------.................................................TA.........................................................................................................--............N............ 98.83 %
BcII-112............................................................................--------..A.......................................V.................................................................................................................--............N............ 98.83 %
BcII-113............................................................................--------..A.........................................................................................................................................................--............N............ 99.22 %
BcII-114............................................................................--------............................................................................................................................................................--............N............ 99.61 %
BcII-115............................................................................--------.......................................................................S....................................................................................--..V.........N............ 98.83 %
BcII-116............................................................................--------............................................................................................................................................................--..V.........N............ 99.22 %
BcII-117.............S....T................QK.........................Y.............--------...............................C....V.......................G..........S...........I.S.....T.......................Q..A.......AE..N..................M......--..L..........R......W.... 91.83 %
BcII-118.............S....T................QK.....K..........K........Y.............--------.......................................................................S...........I.S.....T....LH.................K..A.......AE..........................G.--..S..........R........... 92.22 %
BcII-119.............S....T................Q..........................Y.............--------..A.................................V.................................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.39 %
BcII-120-M......L.V..S...ITP..........ERT..HK.....A...................Y.S...........--------.............................K....................................A.....................................G.............A.......AD............................I--.L..........R........... 89.92 %
BcII-121.............S....T.................K.........................Y.............--------...............................C.................TA.......V............S...........I.S.....T...A...................Q..A.......AE..........................G.--..S...................... 92.61 %
BcII-122.............S....T................QK.........................Y.............--------...............................C.................TA....................S...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.00 %
BcII-123.............S....T................QI.........................Y.............--------..............N..................................TA...................NS..........II.S.....T........E..............Q..A.......AE..........................G.--......................... 92.22 %
BcII-124.............S....T................QI.........................Y.............--------..............N..................................TA....................S..........II.S.....T........E..............Q..A.......AE..........................G.--..S...................... 92.22 %
BcII-125...................................QI.........................Y.............--------..............N..................................TA...............Q...NS...........I.S.....T.......................Q..A.......AE..........................G.--..S......K............... 92.61 %
BcII-126...................................QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.39 %
BcII-127.............S....T................QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T.......................Q..A.......AE...................G......G.--..S...................... 92.22 %
BcII-128.............S....T........A.......QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T......L................Q..A.......AE..........................G.--..S...................... 91.83 %
BcII-129.............S....T........A.......QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 92.22 %
BcII-130...........................................R................................--------..A....................................................................S...........I.S.....T.......................K..A.......AE..........H..........M......--.SS..........R........... 94.16 %
BcII-131............................................................................--------.......................................................................S...........I.S.....T...................V...K..A.......AE..N.......H..........M......--..L..........R........... 94.55 %
BcII-132............................................................................--------.......................................................................S...........I.S.....T...................V...K..A.......AE..N..................M......--..L..........R........... 94.94 %
BcII-133..............................................................Y.............--------..A..............................................TA...K.V.............NS..........II.S.....T...........R...........Q..A.......AE..........................G.--..S......K............... 92.22 %
BcII-134..............................................................Y.............--------..A...........N.................R.....................................NS..........II.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.77 %
BcII-135..............................................................Y.............--------..A...........N.................I.....................................NS..........II.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.77 %
BcII-136..............................................................Y.............--------..T...........N......M..........I.....................................NS..........II.S.....T.......................Q..A.......AE..........................G.--..S...................... 93.39 %
BcII-137..............................................................Y.............--------..T...........N......M..........I.....................................NS..........II.S.....T.......................QT.A.......AE..........................G.--..S...................... 93.00 %
BcII-138..............................................................Y.............--------..A....................................................................S...................T.......................K..A.......AE..N..................M....G.--..S...................... 95.33 %
BcII-139............................................................................--------.......................................................................S...................T.......................K..A.......AE..N..................M....G.--..S...................... 96.11 %
BcII-140..............................................................Y.............--------..A.............................I.E...................................NS...................T.......................Q..A.......AE..........................G.--..S...................... 94.94 %
BcII-141.............C..............................A.................Y.............--------..A...........................................................V........S...................T.......................Q..A.......AE..........................G.--..S.........G............ 94.55 %
BcII-142..............................................................Y.............--------..A....................................................................S...................T.......................Q..A.......AE..........................G.--..S...................... 96.11 %
BcII-143............................................A.................Y.............--------..A....................................................................S...................T.......................Q..A.......AE..........................G.--..S.........G............ 95.33 %
BcII-144............................................A.................Y.............--------..A................................................................P...S...................T.......................Q..A.......AE..........................G.--..S.........G............ 94.94 %
BcII-145-M........V..S....T.........K.E..L.QK.....N....L..............Y...V.........TTSNGLVLT.......................I....K....................M................................I..................................A.......AG................I......N..G.--M.L..........R........... 86.42 %
BcII-146..........V..S....T....AV...K.E..L.QKI...............H........Y.............--------S............................K................................S.............................................I.........A.......A........................T....--.............R........... 91.83 %
BcII-147..........V..S...AT.L.......K.E..L.QK.V...S..........H........Y.............--------T............................K................................T....................I............................S.....A.......A...........................GT--......................... 91.05 %
BcII-148........L.V..S....T.....V...K.E..L.QK.........................Y.............--------T.......I....................KQ....................................................I.K...E............................A.......AE..N.......H...............G.--.............R........... 90.27 %
BcII-149...D....L.V..S....T.....V...K.E..L.QK.........................Y.............--------T............................KQ....................................................I.K...E............................A.......AE..N.......................G.--..V......Q...R........... 89.88 %
BcII-150...D....L.V..S....T.....V...K.E..L.QK.........................Y.............--------T............................KQ....................................................I.K...E............................A.......AE..N.......................G.--..V..........R........... 90.27 %
BcII-151-M......L.V..S....T...........ERT..QK.........................Y.............--------T............................K.....................................................I.K................................A.......A..........S......I.........G.I--.........A..R........... 90.31 %
BcII-152-M......L.V..SV...T...........L....QK.........................Y.............--------T............................K....................M................................I..................................A.......AE..N.......................G.I--.........G..R........... 90.70 %
BcII-153........L.V..S....T.........K.E..L.QK......................GV.Y.............--------T.........................N..K....................................A.....R...............................G.............A.......AD............................--..L..........R........... 91.05 %
BcII-154....I...L.V..S....T...........ERT..QK.M...A...................Y...........I.--------T..R.........................K....................................A.....................................G.............A.......AD..N.......................G.--..L..........R........... 89.88 %
BcII-155....I.....V..S..............K.E..L.QK.........................Y...V.........--------...............................C...................................................I..M....I..........................A.......AE................I......N..G.--T.S......DI..........N... 90.27 %
BcII-156..........V..S.........K....K.E..L.QK.........................Y...V.........--------.............................K................................V....................I..M....I..........................A.......AE................I.........G.--T.S......D............... 91.05 %
BcII-157......I......S...VT..S........ER...NKI........................Y.............--------................................................M.........................DQ.......I..M............................K..A.......AE.......................N..G.--..S..........R........... 90.66 %
BcII-158......I......S...VT..S........ER...NKI........................Y........S....--------T............................K.....................................................I...............................K..A.......AE.......................N..G.--..S...................... 91.44 %
BcII-159..MHS.....V..S...AT...........ERT..QK.....I....L..............Y...V.........--------T............................K.....................................................I.K................................A.......AE..........................G.IN..L.........NR........... 88.80 %
BcII-160.............S....T...............AQI.......................................--------.......................................................................S.....F..............................................................................--..S..........R........... 96.50 %
BcII-161.............S....T....M...........QI.........................Y.............--------..............N..................................TA....................S...................T.......................Q..A.......AE..N..................M......--..L......K....R.....W.... 91.83 %
BcII-162.............S.I...................Q..........................Y.............--------..A................K...................................................S...................T.......................Q..A.......AE..........................G.--..S...................... 94.55 %
BcII-163.............S....T........A.......Q..........................Y.............--------..A....................................................................S...................T.......................K..A.......AE..N..................M....G.--..S...................... 93.77 %
BcII-164.............S....T...........L....QI.........................Y.............--------..............N........................................................S...................T.......................K..A.......AE..........................G.--..S...................... 94.16 %
BcII-165............................................................................--------.................................................TA...................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 94.94 %
BcII-166..............................................................Y.............--------..A...........N.................I.....................................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 94.16 %
BcII-167.............S....T...........................................Y.............--------..A...........N.................I.....................................NS..........II.S.....T.......................Q..A.......AE........H.................G.--..S...................... 92.61 %
BcII-168........L.V..S...IT.........K.E..L.QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T.......................Q..A.......AE..........................G.--..S...................... 90.27 %
BcII-169.............S....T................QI.........................Y.............--------..............N..................................TA...................NS...........IMS.....T.......................Q..A.......AE..........................G.--..S...................... 92.22 %
BcII-170.............S....T................QI.........................Y.............--------..............N..................................TA...................NS...........I.S.....T.......................Q..A........E....................D.....G.--..S...................... 92.61 %
BcII-171.............S....T................QK.........................Y.............--------...............................C.................TA....................S...........I.S.....T.......................Q..A.......AE.........S................G.--..S...................... 92.61 %
BcII-172-M......L.VY.S...VT.....V...K.E..L.HKA..............N.......................--------...................................F..................................NS..........II.S.....T.......................Q..A.......AE..........................G.--..S...................... 88.72 %
BcII-173-M......L.V..S.I.ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..............................T...................AI.K.............................K..A.......AQ................V.........K.--M.S......D.......V..I.... 86.77 %
BcII-174-M......L.V..S...ITP..........ERT..HK.........................Y......S....I.--------T.........................T..KN...........V...................T...................AI.K..............................M.........A.......IT..................E.--..L.........E............ 87.55 %
BcII-175-M......L.V..S...ITP..........ERTI.HK.........................Y...........I.--------........................A....K.S..........................T...T....................IMK..............................M.........A.T......T..................E.--..L..........R........... 87.94 %
BcII-176-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------......................D.A....KN...............................T...................AI.KW.............................M.........A.......IT..................E.--..L...................... 88.33 %
BcII-177-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------.......................IA....K.S..............................T...................AI.KW.............................M.........A.......IT..................E.--..F...................... 88.33 %
BcII-178-M......L.V..S...ITP..........ERT..HK.........................Y......S....I.--------T.......................A....K.S..............................T...................AI.KW.............................M.........A.......IT..................E.--..L...................... 87.94 %
BcII-179-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------.........E..............A....K.S..........................T...T...G...............AI.K..............................M.........A.......IT..................E.--..L...............Y...... 87.55 %
BcII-180-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..............................T...................AI.K..............................M.........A.......IT..................E.--..L...............Y...... 88.72 %
BcII-181-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..........................T...T...................AI.K..............................M.........A.......IT..................E.--..L...............Y...... 88.33 %
BcII-182-M......L.V..S...ITP..........ER...HK.........................Y...........I.--------........................A....K.S..............................T...V...............AI.K..............................M.........A.......IT..................E.--..F...................... 89.11 %
BcII-183-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..........................T...T................V..AI.K..............................M.........A.......IT..................E.--..F...................... 88.33 %
BcII-184-M......L.V..S...ITP..........ERT..HK.................I.......Y...........I.--------........................A....K.S..........................T...T................V..AI.K..............................M.........A.......IT..................E.--..F...................... 87.94 %
BcII-185-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S.M........................T...T...................AI.K..............................M.........A.......IT..................E.--..F...................... 88.33 %
BcII-186-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..........................T...T...................AI.K..............................M.........A.......IT..................E.--..F...................... 88.72 %
BcII-187-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..........................T...T.......E...........AI.K..............................M.........A........T..................E.--..F...................... 88.72 %
BcII-188-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..............................T.......E...........AI.K..............................M.........A.......IT..................E.--..F...................... 88.72 %
BcII-189-M......L.V..S...ITP..........E.T..HK.........................Y...........I.--------........................A....K.S..............................T...................AI.K..............................M.........A........T..................E.--..F...................... 89.88 %
BcII-190-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------........................A....K.S..............................T...................AI.K..............................M.........A........T..................E.--..F...................... 89.49 %
BcII-191-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------T............................K.S..............................T...................AI.K..............................M.........A........T..................E.--..F...................... 89.49 %
BcII-192-M......L.V..S...ITP..........ERT..HK.........................Y...........I.--------T.......................A....K.S..........................T...T...................AI.K..............................M.........A........T..................E.--..F...................... 88.72 %
BcII-193-M......L.V..S...ITP..........ER...HK.........................Y...........I.--------........................A....KNS..........................T...T...................AI.K....Y.........................M.........A........T..................E.--..F...................... 88.72 %
BcII-194-M......L.V..S...ITP..........ERT.AQK.........................Y...........I.--------T............................K.....I..................K...........................AI.K..............................M.........A........T..................E.--..F...................... 89.11 %
BcII-195-M......L.V..S.....P..........ERT..HK.........................Y.S...........--------I............................K..................M...............................I.S................................Q..A.......A.S.........................G.I--.L..........R........... 89.53 %
B1-BcII-1-like phylogenetic tree

Last updated: April 06, 2026.

If you use BLDB please cite: Naas, T.; Oueslati, S.; Bonnin, R. A.; Dabos, M. L.; Zavala, A.; Dortet, L.; Retailleau, P.; Iorga, B. I., Beta-Lactamase DataBase (BLDB) – Structure and Function. J. Enzyme Inhib. Med. Chem. 2017, 32, 917-919.

The development of the BLDB database was funded in part by the JPIAMR transnational project DesInMBL, the Région Ile-de-France (DIM Malinf) and the Laboratory of Excellence in Research on Medication and Innovative Therapeutics (LERMIT).

Contact: contact@bldb.eu

Live statistics (since March 29th, 2025)