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: 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)