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

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

OKP-A-39
........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......
MRCVRLCLISLIAALPLPVFASPQPLEQITRSESQLAGRVGYVEMDLASGRTLATWRASERFPLMSTFKVLLCGAVLARVDAGDERLDRRIRYRQQDLVDYSPVSEKHLADGMTVGELCAAAITMSDNSAGNLLLKSVGGPAGLTAFLRQIGDNVTRLDRWETELNEALPGDVRDTTTPASMAATLRKLLTSHALSARSQQQLLQWMVDDQVAGPLIRAVLPAGWFIADKTGAGERGSRGIVALLGPNGKAERIVVIYLRDTPATMAERNQQIARIGAALIEHWQR
OKP-A-40 ........................S.............................A.......................................................................................................................................................................................................................................  99.30 %
OKP-A-41 ......................................................A...........P...........................................................................................................................................................................................................................  99.30 %
OKP-A-42 ..Y..............A............L.......................A.............................................................................................................................................D...................................................................A.........K...........  97.55 %
OKP-A-43 ..Y..............A.....P..............................A..............................Q........................................Y.....................................................................D...............................................................N.............K...........  96.85 %
OKP-A-44 .........P.......A.....P......L.......................A..............................Q..............................................................................................................D............................L.............................M..................K...........  96.50 %
OKP-A-45 .........P.......A.....P......L.......................A..............................Q..............................................................................................................D...............................................................N.............K...........  96.85 %
OKP-A-46 ..Y.H............AA....P..............................A..............................Q........................................................................................................................R...................................................................K...........  96.85 %
OKP-A-47 ..Y.....F........A.....P......L..................D....A..............................Q..............................................................................................................D.............................................................................K...........  96.50 %
OKP-A-48 ..Y.....F........A............L..................D....A..............................Q..............................................................................................................D.............................................................................K...........  96.85 %
OKP-A-49 ..Y..............AA.........V.........................A.................................................................................R...........................................................D.....................................D.......................................K...........  96.85 %
OKP-A-50 ..Y.....F........AA....P....V.........................A..............................Q..............................................................................................................D.............................................................................K...........  96.50 %
OKP-A-51 ..Y..............AA....P....V.........................A..............................Q..................................................R...........................................................D.............................................................................K...........  96.50 %
OKP-A-52 ..Y..............AA....P....V.........................A.................................................................................R...........................................................D.............................................................................K...........  96.85 %
OKP-A-53 ..Y..............AA....P....V............MI...........A..............................Q..........................................................................................................QR............................................................................................  96.15 %
OKP-A-54 ..Y..............A.....P.................MI...........A..............................Q..........................................................................................................QR..D.............................................................................K...........  96.15 %
OKP-A-55 .CY.....F........A.....P....V.........................A..............................Q..................................................................................................................................................................................S......R..............  96.50 %
OKP-A-56 ..Y..............AA....P....V.........................A..............................Q........................G..................................................................................T......................................................................S.....................  96.50 %
OKP-A-57 ..Y....F.........AA....P..............................A..............................Q........................G..................................................................................T......................................................................S.....................  96.50 %
OKP-A-58 ..Y..............AA....P....V.........................A..............................Q...........................................................................................................T........................................................................T.................R.  96.50 %
OKP-A-60 ..Y.....F........A............L.......................A..............................Q..............................................................................................................D.........................................................................................  97.55 %
OKP-A-62 ..Y.....F........A............L.......................A.................................................................................R.....................................................................................................................................................  97.90 %
OKP-A-63 ..Y..............A............L.......................A.................................................................................................................................................................................................................A.........K...........  97.90 %
OKP-A-64 ..Y..............A.....P..............................A.............................................................................................................................................D.........................................................................................  98.25 %
OKP-A-65 ..Y..............A........R...L.......................A.............................................................................................................................................D.........................................................................................  97.90 %
OKP-A-66 ..Y..............A............L.......................A.............................................................................................................................................D....................................................................................Q....  97.90 %
OKP-A-67 ..Y..............A............L.......................A.............................................................................................................................................D............E............................................................................  97.90 %
OKP-A-68 ..Y..............A............L.......................A..............................Q..............................................................................................................D.............................................................................K...........  97.55 %
OKP-A-69 ..Y..............A............L.......................A.............................................................................................................................................D...................................................................S.....................  97.90 %
OKP-A-70 ..Y..............A............L.......................A.......................................................................................................................................................................................................................................  98.60 %
OKP-A-71 ..Y..............A..........V.........................A.............................................................................................................................................D.........................................................................................  98.25 %
OKP-A-72 ..Y..............A....................................A.............................................................................................................................................D.........................................................................................  98.60 %
OKP-A-73 ..Y......Y.......A.....P..............................A..............................Q............................................................................................................................................................................................K...........  97.55 %
OKP-A-74 .................A.....P..............................A..............................Q..............................................................................................................D.............................................................................K...........  97.90 %
OKP-A-75 ..Y..............A....................................A..............................Q..............................................................................................................D.............................................................................K...........  97.90 %
OKP-A-76 ..Y..............A.....P..............................A..............................Q..............................................................................................................D..........L..................................................................K...........  97.20 %
OKP-A-77 ......................................................A.......................................................................................................................................................................................................................................  99.65 %
OKP-A-78 ..Y..............A.....P..............................A.......................................................................................................................................................................................................................................  98.60 %
OKP-A-79 ..Y..............AT.........................I.........A..............................Q........................................................................................................................................................................................................  97.90 %
OKP-A-80 ..Y..............AT...................................A..............................Q........................................................................................................................................................................................................  98.25 %
OKP-A-81 ..Y..............A....................................A..............................Q..............................................................................................................................................................................N.........................  98.25 %
OKP-A-82 ..Y..............A....................................A..............................Q...........................................................................................................T............................................................................................  98.25 %
OKP-A-83 ..Y..............A....................................A..............................Q........................................................................................................................................................................................................  98.60 %
OKP-A-84 ..Y..............A.......................M............A..........................................................................................................................................T......................................................................S.....................  97.90 %
OKP-A-85 ..Y..............AA....P..............................A..............................Q..................................................R...................................L.....................................................................................................K...........  96.85 %
OKP-A-86 ..Y..............A.....P..............................A..............................Q......................................................................................................................................................................................................R.  97.90 %
OKP-A-87 ..Y..............A.....P..............................A.....S........................Q......................................................................................................................................................................................................R.  97.55 %
OKP-A-88 ..Y..............AA....P....V.........................A..............................Q..............................................................................................................D.............................................................................K...........  96.85 %
OKP-A-89 ..Y.H............AA....P..............................A..............................Q............................................................................................................................................................................................K...........  97.20 %
OKP-A-90 ..Y..............A.....P..............H...............A..............................Q........................................................................................................................................................................................................  97.90 %
OKP-A-92 ..Y..............AA....P....V.........................A..............................Q.....S.....................................................................................................T............................................................................................  96.85 %
OKP-A-93 ..Y..............AA....P....V.........................A..............................Q...........................................................................................................T........................................................................T...................  96.85 %
OKP-A-94 ..Y..............AA....P..............................A..............................Q........................................................................................................................................................................................................  97.90 %
OKP-A-96 ..Y..............AA....P....V.........................A..............................Q...........................................................................................................T................................................................................K...........  96.85 %
OKP-A-97 ..Y..............A.....P....V.........................A..............................Q...........................................................................................................T............................................................................................  97.55 %
OKP-A-98 ..Y.....F........AA....P....V.........................A..............................Q...........................................................................................................T.............................................................................H..............  96.50 %
OKP-A-99 ..Y..............AA....P....V.........................A..............................Q...........................................................................................................T.............................................................................H..............  96.85 %
OKP-A-100 ..Y..............AA.........V............M............A..............................Q..........................................................................................................QR............................................................................................  96.85 %
OKP-A-101 ..Y..............AA.........V.........H...............A..............................Q...........................................................................................................T............................................................................................  97.20 %
OKP-A-102 ..Y..............AA.........V.........................A..............................Q...........................................................................................................T............................................................................................  97.55 %
OKP-A-103 ..Y.....F........A.I...P..............................A..............................Q........................................................................................................................................................................................................  97.55 %
OKP-A-104 ..Y..............A....................................A..............................Q...........................................................................................................T.............A..............................................................................  97.90 %
OKP-A-105 ..Y.....F........A.....P..............................A..............................Q...........................................................................................................T.......L....................................................................................  97.20 %
OKP-A-106 ..Y.....F........A.....P..............................A..............................Q......................................................................................L....................T................................................T...........................................  96.85 %
OKP-A-107 ..Y.....F........A.....P..............................A..............................Q...........................................................................................................T............................................L...............................................  97.20 %
OKP-A-108 ..Y.....F........A.....P...............G..............A..............................Q...........................................................................................................T............................................................................................  97.20 %
OKP-A-109 ..Y.....F........A.....P..............................A..............................Q.........................................................................H.................................T............................................................................................  97.20 %
OKP-A-110 ..Y.....F........A.....P..............................A..............................Q...........................................................................................................T................................................T...........................................  97.20 %
OKP-A-111 ..Y..............A.....P..............................A..............................Q...........................................................................................................T............................................................................................  97.90 %
OKP-A-112 ..Y.....F........A.....P..............................A..............................Q...........................................................................................................T....................................................................Q.......................  97.20 %
OKP-A-113 ..Y.....F........A.....P..............................A..............................Q...........................................................................................................T........................................................................S...................  97.20 %
OKP-A-114 ..Y.....F........A.....P..............................A..............................Q..........................................................................................................Q.............................................................................................  97.55 %
OKP-A-115 ..Y.....F........A..........V.........................A..............................Q........................................................................................................................................................................................................  97.90 %
OKP-A-116 ..Y.....F........A.....P....V.........................A..............................Q..................................................................................................................................................................................S.....................  97.20 %
OKP-A-117 ..Y..............A.....P..............................A..............................Q..............................................................................................................D...............................................................N.............K...........  97.20 %
A-OKP-A-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)