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

Sequence alignment for the OKP-B-like beta-lactamase family

OKP-B-62
........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.......280......
MRYVRLCLISLIAALPLAVFASPQPLEQIKISEGQLAGRVGYVEMDLASGRTLAAWRASERFPLMSTFKVLLCGAVLARVDAGDEQLDRRIHYRQQDLVDYSPVSEKHIADGMTVGELCAAAITMSDNSAGNLLLKSVGGPAGLTAFLRQIGDNVTRLDRWETELNEALPGDVRDTTTPASMATTLRKLLTTPSLSARSQRQLLQWMVDDRVAGPLIRSVLPAGWFIADKTGAGERGARGIVALLGPNNKAERIVVIYLRDTPASMAERNQQIAGIGAALIEHWQR
OKP-B-63 .S...............................S..............................................................................................T.......I.....................................................................................................................................................  98.60 %
OKP-B-64 .................................S..........................................................................L.........................................................Q....................N............Q.....T...Q.......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-65 .............T.....................................M........................................................L.N.........................................................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-66 ........................S..........................M........................................................L.N.........................................................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-67 ...................................................M........................................................L...........................................................................................Q...............L.A..................SC........DG.............A.T.....................  96.15 %
OKP-B-68 .................................S.......MI.................................................................L.........................................................Q.................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-69 ...................................................M........................................................L........................................................................................H..Q.................A..................S.........DG.............A.T...................K.  96.15 %
OKP-B-70 .........................................MI........M........................................................L...........................................................................................Q.................A..................S.........DG.............A.T...................K.  95.80 %
OKP-B-71 ...................................................M........................................................L....................................T....................Q........................I........Q.........Q.......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-72 ....C......V................................................................................................L...........................................................................................Q.........Q.......A..................S.........DG.............A.T.....E...............  95.80 %
OKP-B-73 ............................................................................................................L.........................................N.................................................Q.........Q.......A..................S.........DG.............A.T.....E......T........  95.80 %
OKP-B-76 .................................S..........................................................................L..............................................................................R...P........Q.................AE.................S.........DG.............A.T.........V...........  95.45 %
OKP-B-77 ............T....................S..........................................................................L...........................I...............................................................Q.................AE...............L.S.........DG.............A.T.....................  95.45 %
OKP-B-78 .................................S........I.................................................................L..............................................................................R............Q.................A............V.....S.........DG.............A.T.V...................  95.45 %
OKP-B-79 ...F.............................S..........................................................................L........................................H.....................................R............Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-80 ...F..................L..........S..........................................................................L........................................H.....................................R............Q.................A..................S.........DG.............A.T.....................  95.45 %
OKP-B-81 ............T....................S.................................L........................................L..............................................................................R............QL................A..................S.........DG.............A.T.....................  95.45 %
OKP-B-82 ............T....................S..........................................................................L..............N...............................................................R............QL................A..................S.........DG.............A.T.....................  95.45 %
OKP-B-83 ............T....................S..........................................................................L..............................................................................R............QL.........M......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-84 ............................................................................................................L...........................I...............................................................Q..R..............A..................S.........DG...............T.V...................  96.50 %
OKP-B-85 ........................................................................................Q...................L...........................I...............................................................Q.................A..................S.........DG...............T.V...................  96.50 %
OKP-B-86 ............................................................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V.......V...........  96.50 %
OKP-B-87 ............................................................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V...................  96.85 %
OKP-B-88 ............................................................................................................L...................T.......I..D............................................................Q.................A..................S.........DG...............T.V...................  96.15 %
OKP-B-89 ............................................................................................................L...................T.......I...............................................................Q.................A..................S.........DG..........S....T.V...................  96.15 %
OKP-B-90 ............................................................................................................L...................T.......I...............................................................Q.................A..................S.........DG.........Q.....T.V...................  96.15 %
OKP-B-91 ............T....................S..G.......................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-92 .................................S..........................................................................L.....G.............T.......I....................................C..........................Q.................A..................S.........DG...............T.V...................  95.45 %
OKP-B-93 .................................S.......M..................................................................L...................T.......I...............................................................Q.................A..................S.........DG.............S.T.V...................  95.45 %
OKP-B-94 .S...............................S..........................................................................L...................T.......I.............F.................................................Q.................A..................S.........DG...............T.V...................  95.45 %
OKP-B-95 .................................S.................M........................................................L...................T.......I......................................................P........Q.................A..................S.........DG...............T.V...................  95.45 %
OKP-B-96 .................................S..........................................................................L...................T.......I...............................................................Q.............L...A..................S.........DG...............T.V...................  95.80 %
OKP-B-97 .................................S..........................................................................L...........................I........................................P......................Q.................A..................S.........DG...............T.V...........V.......  95.80 %
OKP-B-98 ..................G..............S..........................................................................L...................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-99 .................................S.............................................E............................L...................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-100 .................................S.......M..................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V...................  96.15 %
OKP-B-101 .................................S.................M........................................................L...................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-102 .................................S...........................................T..............................L...................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-103 .................................S..........................................................................LV..................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-104 .................................S..........................................................................L...................T.......I...............................................................Q.........W.......A..................S.........DG...............T.V...................  95.80 %
OKP-B-105 .................................S..........................................................................L...................T.......I............................................................H..Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-106 .................................S..........................................................................L.N.................T.......I...............................................................Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-107 .................................S..........................................................................L...................T.......I......................................................P........Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-108 .................................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V..........V........  96.15 %
OKP-B-109 .................................S..........................................................................L...........................I......................................................P........Q.................A..................S.........DG...............T.V...................  96.15 %
OKP-B-110 .................................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V...........V.......  96.15 %
OKP-B-111 .................................S..........................................................................L...................T.......I...............................................................Q.................A..................S.........DG...............T.V.......W...........  95.80 %
OKP-B-112 .................................S..........................................................................L...................T.......I...............................................................Q.................A..................S.........DG.........M.....T.V...................  95.80 %
OKP-B-113 .................................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG...............T.V...................  96.50 %
OKP-B-114 .................................S..........................................................................L...................T.......I.......................................................S.......Q.................A..................S.........DG...............T.V...................  95.80 %
OKP-B-115 .................................S..........................................................................L...................T.......................................................................Q.................A..................S.........DG...............T.V...................  96.50 %
OKP-B-116 .................................S..........................................................................L..............................................................................R............Q.................AE.................S.........DG.............A.T.V...................  95.80 %
OKP-B-117 ............................................................................................................L...........................I...............................................................Q.................A..................S.........DG.............A.T.V.....F.............  96.15 %
OKP-B-118 .................................S..........................................................................L...................T.......I...............................................................Q.................A..................S........SDG.............A.T.V...................  95.45 %
OKP-B-119 .................................S..........................................................................L...........................I...............................................................Q.Q...............A..................S.........DG.............A.T.V...................  95.80 %
OKP-B-120 ............T....................S.......................................................L..................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-121 .................................S................................P.........................................L...................T.......I...............................................................Q.................A..................S.........DG.............A.T.........V...........  95.45 %
OKP-B-122 .............T...................S..........................................................................L...................T.......I...............................................................Q.................A..................S.........DG.............A.T.........V...........  95.45 %
OKP-B-123 .................................S..............................................N...........................L...............I...T.......I...............................................................Q.................A..................S.........DG.............A.T.....................  95.45 %
OKP-B-125 .................................S..........................................................................L...................T.......I.R.............................................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-126 .................................S.............................................E............................L...................T.......I...............................................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-127 .................................S..........................................................................L........H..........T.......I...............................................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-128 .................................S..........................................................................L...................T..K....I...............................................................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-129 .................................S..........................................................................L...................T.......I........................................A......................Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-130 .................................S.....................R....................................................L...........................................................................................Q.........Q.......A..................S.........DG.............A.T.....................  96.15 %
OKP-B-131 .................................S..........................................................................L...........................................................................................Q.........Q.......A..................S.........DG...............T.....................  96.85 %
OKP-B-132 .................................S..........................................................................L...................T.......I...............................................................Q.........Q.......A..................S.........DG.............A.T.....................  95.80 %
OKP-B-133 .................................S..........................................................................L...................T.......I......................................................P........Q.........Q.......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-134 .H...............................S..........................................................................L...........................I...............................................................Q.........Q.......A..................S.........DG.............A.T.....................  95.80 %
OKP-B-135 .................................S..........................................................................L...........................................................................................Q.................A..................S.........DG.............A.T.V...................  96.50 %
OKP-B-136 .................................S..........................................................................L...........................................................................................Q.........Q.......A..................S.........DG...............T.V...................  96.50 %
OKP-B-137 .................................S.......M..................................................................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-138 .................................S.......................................................L..................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-139 ..........Q......................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-140 .................................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG...H.........A.T.....................  96.15 %
OKP-B-141 .................................S..........................................................................L...........................I...............................................................Q.................A..................S.........DG............NA.T.....................  96.15 %
OKP-B-142 .................................S..........................................................................L...............L...........I...............................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-143 ..................L..............S..........................................................................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-144 .................................S..........................................................................L...........................I...............................................................Q.................A.......V..........S.........DG.............A.T.....................  96.15 %
OKP-B-145 .................................S..........................................................................L...................................P.......................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-147 .................................S.......M..................................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-148 .................................S..........................................................................L...........................................................................................Q.................A......V...........S.........DG.............A.T.....................  96.50 %
OKP-B-149 .................................S.................................................................G........L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-151 .................................S..........................................................................L.........................................................Q.................................Q.................A..................S.........DG.............A.T.V...................  96.15 %
OKP-B-153 .................................S..........................................................................L...........................I......................................................N........Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-154 .................................S..........................................................................L....I......................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-155 .................................S..........................................................................L........................................R..................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-156 .................................S..........................................................................L...........................................................................................Q.................A..................S.........DG.............A.TI....................  96.50 %
OKP-B-157 .................................S..........................................................................L...........................................................................................Q.................A..................SH........DG.............A.T.....................  96.50 %
OKP-B-159 .................................S..........................................................................L...........................................................................................Q.................AL.................S.........DG.............A.T.....................  96.50 %
OKP-B-160 .................................S..........................................................................L..............................................................................R............Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-161 .................................S..........................................................................L..................................................................................P........Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-162 .................................S..........................................................................L...........................................................................................Q.......N.........A..................S.........DG.............A.T.....................  96.50 %
OKP-B-163 .................................S..........................................................................L...........................................................................................Q.................A..................S.........DG.............A.T..K..................  96.50 %
OKP-B-164 ............T....................S..........................................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-166 ....L............................S..........................................................................L...........................................................................................Q.................A..................S.........DG.............A.T.T...................  96.15 %
OKP-B-168 ............................................................................................................L................................T..........................................................Q.................A..................S.........DG...............T.V...................  96.85 %
OKP-B-169 ............................................................................................................L...............................................................M...........................Q.................A..................S.........DG...............T.V...................  96.85 %
OKP-B-170 .............S..............................................................................................L...........................I...............................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-171 ............................................................................................................L....................................T......................................................Q.................A..................S.........DG.............A.T.....................  96.85 %
OKP-B-172 ............................................................................................................L....................................T.............................................P........Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-173 .................................S.................M........................................................L........................................H..................................................Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-174 .................................................................C..........................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.85 %
OKP-B-175 ..........................................................R.................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.85 %
OKP-B-176 ...................................................M........................................................L...........................................................................................Q.................A...............G..S.........DG.............A.T.....................  96.50 %
OKP-B-177 ................................................R..M........................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-178 ...................................................M........................................................L..................S........................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-179 ...................................................M........................................................L.........................................................Q.................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-180 ...................................................M........................................................L.N.........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-181 ...................................................M........................................................L...........................................................................................Q.................A..................S.........DG.............A.T...................K.  96.50 %
OKP-B-182 ...................................................M........................................................L...........................................................................................Q...............L.A..................S.........DG.............A.T.....................  96.50 %
OKP-B-183 ....................S..............................M........................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-184 ...................................................K........................................................L...........................................................................................Q.................A..................S.........DG.............A.T.....................  96.85 %
OKP-B-185 ...................................................M........................................................L.......................................H...................................................Q.................A..................S.........DG...............T.....................  96.85 %
OKP-B-186 ...................................................M........................................................L...........................................................................................Q.................A..................S.........DG...............T.....................  97.20 %
OKP-B-187 .................................S..........................................................................L...............L...........I......................................................P........Q.................A..................S.........DG.............A.T.....................  95.80 %
OKP-B-188 .................................S..........................................................................L...........................I.............................Q........................P........Q.........Q.......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-189 .................................S..G.......................................................................L....................................T......................................................Q.........Q.......A..................S.........DG.............A.T.....................  95.80 %
OKP-B-190 ............T....................S.......................................................L..................L...........................I...............................................................Q.........Q.......A..................S.........DG.............A.T.....................  95.45 %
OKP-B-192 .................................S..........................................................................L..............................................................................R............Q.................AE.................S.........DG.............A.T.........V...........  95.80 %
OKP-B-193 .................................S..........................................................................L..............................................................................R............Q.................AE.................S.........DG.............A.T.....................  96.15 %
OKP-B-194 ............T....................S..........................................................................L..............................................................................R............Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-195 .................................S..........................................................................L........................................H.....................................R............Q.................A..................S.........DG.............A.T.....................  96.15 %
OKP-B-196 ............................................................................................................L........................................H.....................................R............Q.................A..................S.........DG.............A.T.....................  96.50 %
OKP-B-197 .................................S..........................................................................L.....................A....AT...................................A..........A.......SQR...........................................S................................................  96.15 %
OKP-B-198 ...L.........T................L..S........L.................................................................L...............................................................A..........A.......SQR......Q.................A..................S.........DG...............T.........R...........  93.71 %
OKP-B-199 ...L..........................L..S........L.................................................................L......................................................A........A..........A.......SQR......Q.................A..................S.........DG.........................R...........  94.06 %
OKP-B-200 ...L..........................L..S..........................................................................L......................................................A........A..........A.......SQR......Q.................A..................S.........DG...............T.........R...........  94.06 %
OKP-B-201 ...L..........................L..S........L.................................................................L......................................................A........A..........A.......SQR......Q.................A..................S.........DG...............T.........R...........  93.71 %
A-OKP-B-like phylogenetic tree

Last updated: September 10, 2025.

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)