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

Sequence alignment for the OXA-270-like beta-lactamase family

OXA-270
........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.......270...
MTKKALFFAISTIFLSACSFNTVQHHQIHAISTHKNSEEIKSLFDQAQTTGVLVIKRGNTEEIYGNDLKRASTEYVPASTFKMLNALIGLEHHKATTTEVFKWDGQKRLFPDWEKDMTLGDAMKASAIPVYQELARRIGLDLMSKEVKRIGFGNADIGSKVDNFWLIGPLKITPQQEAQFAYELAHKTLPFSKNVQEQVQSMVFVEEKNGRKIYAKSGWGWDVEPQVGWLTGWVVQPQGEIVAFSLNLEMKKGTPSSIRKEIAYKGLEQLGIL
OXA-271.......L................Q.....L.........Q.................KK......................................................................................I..VD...............V.....................................................................Q................I................... 95.60 %
OXA-272..........G.M...........Q...QS...N....K..........E........Q...........S.........................P......Y..........................................................D...V..........VR...K..N..................I..................D.....F...........I...........I................... 91.58 %
OXA-273..........G.M..........EQ...QS...N....K.................H.R...V....................V............P.....................................................................V..........V....K..N..................I..................D.E...F...........I........E..I........T.......... 90.84 %
OXA-421....T.....G.M..........EQ...QS...N....K.Q............I....Q...V.................................P.....................................................D.........I.....V...................................L.I........................F..............A........I................... 91.94 %
OXA-500..........G.M..........EQ...QS...N....K...................Q...V.................................P.................................................................D...V...........................M.......L.I....................................I...........I................... 93.41 %
OXA-501..........G.M..........EQ...QS...N....K.................H.Q...V.................................P.................................................................D...V.....................................I................................................I................... 94.14 %
OXA-502..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V...................................L.I................................................I................... 94.14 %
OXA-503..........G.M...........Q...QS...N....K.........NE........Q...........S.........................P.................................................................D...V...................................L.I..................................K.............I................... 93.41 %
OXA-506..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V...................................L.I..................................K.............I................... 93.77 %
OXA-533..........G.M...........Q...QS...N....K..........E........QI..V.................................P.................................................................D...V...................................L.I..................D.....F...........I...........I................... 92.67 %
OXA-563..........G.M..........EQ...QS...N....K...................Q...V.................................P..........H..........................................................V...............K..N..................I..................D.....F.......................I................... 93.04 %
OXA-564..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V...................................L.I.....Q..........................................I................... 93.77 %
OXA-642..........G.M...........Q...QS...N....K..........E........QI..........S.........................P.....................................................S........T..D...V...........................M.......L.I..................D.....F.......................I........T.......... 91.58 %
OXA-678........................Q.....................................................................................F.......................................................V.......................................................................................................... 98.90 %
OXA-777..........G.M..........EQ...QS...N...KK..........E......H.Q...V....................V............P..................................R..................................V..........V....K...................L.I........................F.......................I................... 91.58 %
OXA-778..........G.M..........EQ...QS...N....K..........E........QI..V.................................P...........................................N.........................V...............K...........M.......L.I....................................I...........I................... 92.31 %
OXA-801...........A............Q.................................Q........................................M....................E.............................................V..........T..........................................L.MD.............................I................... 95.97 %
OXA-802...R....................Q....T............................Q........................................M....................E.............................................V..........V.........................L...................D................................................. 96.34 %
OXA-803..........G.M...........Q...QS...N....K..........E........QI..V.................................P.................................................................D...V...................................L.I................N...................I...........I................... 93.04 %
OXA-804..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V..........VR...K..N..................I..................D.E...F...........I...........I................... 91.58 %
OXA-820..........G.M..........EQ...QS...N....K..........E........QI..V.................................P.............................T...................I...S...........D...V...................................L.I..................................K.............I................... 91.94 %
OXA-821............M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V..............................E....L.I................................................I................... 94.14 %
OXA-826..........G.M..........EQ..TQS...N....K..........E........QI..V.................................P............................Y....................................D...V...........................M.......L.I....................................I...........I................... 91.94 %
OXA-832..........G.M.......D..EQ...QS...N....K.Q..........I.I....Q...V.................................P...............................................................I.....V..................................LL.I........................F..............A........I................... 91.58 %
OXA-840..........GMM..........EQ...QS...N....K...................Q...V.................................P.......V.........................................................D...V...........................M.......L.I....................................I...........I................... 92.67 %
OXA-841........................Q....P..........................H........................................................................................................................................................................................................................ 98.90 %
OXA-842.......L................Q........D........................................................................................................................S...........V..............................................................F.......................I................... 97.44 %
OXA-843.............................T............................................................................................................................T...........V.......................................................................................................... 98.90 %
OXA-941..........G.M..........EQ...QS...N....K..............I....Q...V.................................P.................................................................D...V...........................M.......LVI....................................I..........SI...........A....... 91.94 %
OXA-942..........G.M..........EQ...QS...N....K..........E........QI..V...N.............................PI....................................................................V...............K.....................I..................D.....F.......................I................... 92.31 %
OXA-943..........G.M..........EQ...QS...N....K..............I....Q...V.................................P.................................................................D...V...................................L.I................................................I................... 93.77 %
OXA-978..........G.M...........Q...QS...N....K..........E........Q........I..S.........................P..........................................F....................A.D...V...................................L.I....................................I...........I................... 92.67 %
OXA-986..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.......................................................S.............V...................................L.I........................F.......................I................... 93.77 %
OXA-988..........G.M...........Q...QS...N....K.....E....E........Q...........S.........................P......Y..........................................................D...V..........VR...K..N................L.I..................D.....F...I.......I...........I................... 90.48 %
OXA-992..........A.M.......D..EQ...QS...N....K.Q............I....Q...V.................................P......................D........................................I.....V...................................L.I........................F..............A........I................... 91.94 %
OXA-1000..........G............EQ...QS...N....K..T.......E.......EQ...V....................V............P.................................................................D...V..........V....K...................L.I.....Q............D.....F...........I...........I................... 90.84 %
OXA-1002..........G.M...........Q...QS...N....K.................C.Q...V.................................P.......V.............................................................V...............K...................L.I....................................I...........I................... 93.41 %
OXA-1045..........G.M..........EQ...QS...N....K..........E........Q...V................................MP.............................T......................V................V...................................L.I..................D.....F.......................I................... 92.31 %
OXA-1113..........G............EQ...QS...N...KK..........E........QI..V.................................P.................................................................D...V...................................L.I..................................K.............I................... 93.04 %
OXA-1114..........G............EQ...QS...N....K..T.......E.......EQ...V....................V............P.....................................................................V..........V....K...................L.I.....Q............D.....F...........I...........IS.................. 90.84 %
OXA-1115..........G.M..........EQ...QS...N....K...................Q...V....................V............P.....................................................................V..........V....K...................L.I........................F.......................I..T................ 92.67 %
OXA-1138..........G.M..........EQ...QS...N....K...................Q...V.................................P.................................................................D...V...........................M.......L.I....................................I...........I.T................. 93.04 %
OXA-1150..........G.M...........Q...QS...N....K..........E........Q...........S.........................P.................................................................D...V...........................L.........I..................D.....F...I...................I................... 93.04 %
OXA-1164..........G.M..........EQ...QS...N...KK..........E........QI..V.................................P................................................................HD...V...................................L.I..................D.....F......S....I...........I................... 91.21 %
OXA-1165..........G.M...........Q...QS...N....K..........E........Q...................................T.P.................................................................D...V...................................L.I..................................K.............I................... 93.77 %
OXA-1166..........G.M..........EQ...QS...N....K..........E........QI..V...A.............................P.................................................................D...V...........................M.......L.I....................................I...........I................... 92.31 %
OXA-1222..........G.M...........Q...QS...N....K.....E....E........Q...........S.........................P......Y..........................................................D...V..........VR...K..N......N.........L.I..................D.....F...I.......I...........I................... 90.11 %
OXA-1234........................Q.................................................................................................................................T...........V.......................................................................................................... 98.90 %
OXA-1235..........G............EQ...QS...N....K..T......IE.......EQ...V.......V.........................P.................................................................D...V..........V....K..N..................I....................................I...........I........T.......... 91.21 %
OXA-1236.N.YFTCYVVASL...G.TVQHNLINETPSQIVQGHNQV.HQY..EKN.S.....QTDKKINL...A.S..N...................NQ.TDIN.I...K.E..S.TA........E...L..V...............Q...........E..QQ......V....V..I..VE.VSQ...TQ....EK..AN.KN.LLL..S..Y..FG.T..AM.INS.........E..D.K....A..M..RSEM.A...N.LLM.S.K..N.I 57.14 %
OXA-1237..........G.M..........EQ..TQS...N....K..........E........Q...V.................................P...........................................N.........S...............V..........V....K...................L.I........................F...I.......I...........I................... 91.21 %
D-OXA-270-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)