Beta-Lactamase DataBase (BLDB): Structure and Function
Beta-Lactamase DataBase
Beta-Lactamase DataBase - Structure and Function Home Enzymes Structures Mutants Kinetics BLAST
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: 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)