LEN-1

........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...... MRYVRLCVISLLATLPLVVYAGPQPLEQIKQSESQLSGRVGMVEMDLANGRTLAAWRADERFPMVSTFKVLLCGAVLARVDAGLEQLDRRIHYRQQDLVDYSPVSEKHLVDGMTIGELCAAAITLSDNSAGNLLLATVGGPAGLTAFLRQIGDNVTRLDRWETALNEALPGDARDTTTPASMAATLRKLLTAQHLSARSQQQLLQWMVDDRVAGPLIRAVLPPGWFIADKTGAGERGARGIVALLGPDGKPERIVVIYLRDTPASMAERNQHIAGIGQR-------

LEN-2	.................A.D............................S..................................V.................................................................................................................................................................................................AALIEHWQR	95.45 %
LEN-5	...I.............A..............................S............................................................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-7	.................A.D............................S..................................V.........................T.......................................................................................................................................................................AALIEHWQR	95.10 %
LEN-8	....................................P...........S...........................................................................................................H........................................................................................................................AALIEHWQR	95.80 %
LEN-9	................................................S....................................................................................................................................................................................................................................AALIEHWQR	96.50 %
LEN-10	.................A.D............................S............................................................T..................................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-11	.................A.D............................S.............................................................................................................................................................................A......................................................AALIEHWQR	95.45 %
LEN-12	.................A..............................S.............................................................................................................................................................................A......................................................AALIEHWQR	95.80 %
LEN-13	.................A.D............................S...............................................................................................................................................................................................................L....................AALIEHWQR	95.45 %
LEN-15	................................................S...................................................................................................................................................P.........................A........................................................-------	98.92 %
LEN-16	.................A..............................S............................................................T.......................................................................................................................................................................AALIEHWQR	95.80 %
LEN-18	.................A.D............................S............................................................T....V.............................................................................................................................................L....................AALIEHWQR	94.76 %
LEN-19	.................A..............................S............................................................T....V..................................................................................................................................................................AALIEHWQR	95.45 %
LEN-20	.................A.D............................S............................................................T....V....................................................................................................................................................V.............AALIEHWQR	94.76 %
LEN-21	.................A.D............................S..................................V...V......................................................................................................................................A......................................................AALIEHWQR	94.76 %
LEN-22	.................A.D............................S...................................................................................................................................................P.........................A......................................................AALIEHWQR	95.10 %
LEN-23	.................A..............................S............................................................T..................................................................................................................................................L....................AALIEHWQR	95.45 %
LEN-24	.............N...A.D............................S....................................................................................................................................................................................................................................AALIEHWQR	95.45 %
LEN-25	.................A.D............................S................................................................A..............................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-26	.............N...A..............................S..................................V.........................T..............M...............................................M.................................................A...........................A.......M.....TI.....Q..A..AALIEHWQR	91.96 %
LEN-27	.................A.D............................S............................................................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-28	.............N...A.D............................S...................................................................................................................................................P.........................A......................................................AALIEHWQR	94.76 %
LEN-30	.............N...A.D............................S............................................................T....V..................................................................................................................................................................AALIEHWQR	94.76 %
LEN-31	.................A.D............................S..................................V.........................T....V.........................................H........................................................................................................................AALIEHWQR	94.41 %
LEN-32	.................A.D............................S..............V............................................................................................H...................................................................................................L....................AALIEHWQR	94.76 %
LEN-33	.................A.D............................S..................................V.........................T....V..................................................................................................................................................................AALIEHWQR	94.76 %
LEN-34	.................A..............................S..................................I.........................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-35	...I.............A..............................S............................................................T....V..................................................................................................................................................................AALIEHWHD	95.10 %
LEN-36	.................A.D............................S.H................................V.........................T....V..................................................................................................................................................................AALIEHWQR	94.41 %
LEN-37	.................A.D............................S..................................V..................................................................................................S..............................................................................................AALIEHWQR	95.10 %
LEN-38	.............N...A..............................S..................................V........................................M................T..............................M.................................................A...........................A..........................AALIEHWQR	93.71 %
LEN-39	.................A..............................S..................................V.........................T....V.........M..........T....................................M.................................................A...........................A..........................AALIEHWQR	93.36 %
LEN-40	.............N...A..............................S..................................V........................................M................V................................................................................A..........................NA..........................AALIEHWQR	93.71 %
LEN-41	.................A.D............................S..................................V........................................M.................................................................................................A..........................NA..........................AALIEHWQR	94.06 %
LEN-42	.................A..............................S..................................V........................................M...............................................M.................................................A...........................A..........................AALIEHWQR	94.41 %
LEN-43	.............N...A..............................S..................................V........................................M...............................................M.................................................A...........................A..........................AALIEHWQR	94.06 %
LEN-51	................................................S...............................................................................................................................................................................................................L....................AALIEHWQR	96.15 %
LEN-55	.................A.D............................S....................................................................................................................................................................................................................................AALIEHWQR	95.80 %
LEN-58	.................A.D............................S..................................V.........................F.......................................................................................................................................................................AALIEHWQR	95.10 %
LEN-94	.......L...I.A...A.F.S........I.....A....Y......S....................................................................................................................................................................................................................................AALIEHWQR	93.36 %
LEN-95	.................A.D............................S..............V............................................................................................H.............S.....................................................................................L....................AALIEHWQR	94.41 %
LEN-96	................................................S...............L..................V..............................................................................................................................................................V..................................AALIEHWQR	95.45 %
LEN-97	................................................S......................................................................................................................................................................................A..........................P..................AALIEHWQR	95.80 %
LEN-98	....................................P...........S..................................................................................................M.................................................................................................................................AALIEHWQR	95.80 %
LEN-99	....................................P...........S...P.......................................................................................................H........................................................................................................................AALIEHWQR	95.45 %
LEN-100	....................................P...........S..............I............................................................................................H........................................................................................................................AALIEHWQR	95.45 %
LEN-101	.................A.D............................S......................................................................................................................................................................................................NN.A....................Q.....AALIEHWQR	94.41 %
LEN-102	.................A.D............................S..................................V......................................................................................................................................S...A........................NN.A....................Q.....AALIEHWQR	93.36 %
LEN-103	...I...I.........A.H.S........L.................S..................................V.........................T....V..................................................................................................................................................................AALIEHWQR	93.36 %
LEN-104	.................A.D............................S......................................................................................KI...........................................................P.........................A......................................................AALIEHWQR	94.41 %
LEN-105	.................A.D............................S..................................V.....................D..................M................V................................................................................A..........................NA..........................AALIEHWQR	93.36 %
LEN-106	.................A.D............................S..................................V.....................................................I..................................M...........................H.....................A...........................A..........................AALIEHWQR	93.71 %
LEN-107	.................A.D............................S..................................V............E...........................................................................M.................................................A.................................L....................AALIEHWQR	94.06 %
LEN-108	.H...............A.D............................S..................................V.............................................................................................P............................................A......................................................AALIEHWQR	94.41 %
LEN-109	.............N...A.D............................S..........................................P.................T....V..................................................................................................................................................................AALIEHWQR	94.41 %
LEN-110	.............N...A.D............................S............................................................T....V..........................T.......................................................................................................................................AALIEHWQR	94.41 %
LEN-111	.................A..............................S............................................................T....V..................................................................I..............P.........................A......................................................AALIEHWQR	94.41 %
LEN-112	.............N...A..............................S..................................V.........................T..............M.................................................................................................A...........................A..........................AALIEHWQR	94.06 %
LEN-113	.................A..............................S..................................V.........................T....V.........M.................................................................................................A......................................................AALIEHWQR	94.41 %
LEN-114	.................A.D......................M.....S............................................................T.......................................................................................................................................................................AALIEHWQR	95.10 %
LEN-115	.................A.D............................S..................................V.......P.................T....V..................................................................................................................................................................AALIEHWQR	94.41 %
LEN-118	.................A.D............................S..................................V.........................T....V..H...............................................................................................................................................................AALIEHWQR	94.41 %
LEN-119	.................A.D............................S..................................V.........................T....V...........................................................N......................................................................................................AALIEHWQR	94.41 %
LEN-120	.............N...A.D............................S..................................V.........................T....V..................................................................................................................................................................AALIEHWQR	94.41 %
LEN-121	.................A.D............................S..................................V.........................T....V................................................................................................................S.................................................AALIEHWQR	94.41 %
LEN-122	.................A.D............................S..................................V.........................T...................................................................................................................................I...................................AALIEHWQR	94.76 %
LEN-123	....H............A.D............................S..................................V.........................T.......................................................................................................................................................................AALIEHWQR	94.76 %
LEN-124	.................A.D............................S..................................V.........................T.........................................................................................................................V.............................................AALIEHWQR	94.76 %
LEN-125	.................A.D............................S..................................V.........................T...........................................K................................................................................A..........................................AALIEHWQR	94.41 %
LEN-126	.................A.D............................S..................................V.........................T...........................................K...........................................................................................................................AALIEHWQR	94.76 %
LEN-127	.................A.D............................S............................................................T............................D........................V.................................................................................................................AALIEHWQR	94.76 %
LEN-128	.................A.D............................S............................................................T.........................T.............................................................................................................................................AALIEHWQR	95.10 %
LEN-129	.................A.D............................S..................................................G.........T.......................................................................................................................................................................AALIEHWQR	95.10 %
LEN-130	.................A.D...................G........S............................................................T.......................................................................................................................................................................AALIEHWQR	95.10 %
LEN-132	.................A.D............................S............................................................T.............................................................................................M.........................................................................AALIEHWQR	95.10 %
LEN-133	.................A..............................S............................................................T....V.........................................................................................H........................................................................AALIEHWQR	95.10 %
LEN-134	.................A..............................S............................................................T....V....................................................................................................................................................V.............AALIEHWQR	95.10 %
LEN-135	.................A.D............................S............................................................T....V..................................................................................................................................................................AALIEHWQR	95.10 %
LEN-136	.................A.D............................S............................................................T....V..................................................................................S...............................................................................AALIEHWQR	94.76 %
LEN-137	....................................P...........S....................................................................................................................................................................................................................................AALIEHWQR	96.15 %
LEN-138	....................................P...........S...............................................................................................................................................................................................................L....................AALIEHWQR	95.80 %
LEN-139	................................................S............................................................T.......................................................................................................................................................................AALIEHWQH	96.15 %
LEN-140	.L..............................................S....................................................................................................................................................................................................................................AALIEHWQR	96.15 %
LEN-141	................................................S..................................................................................................M.................................................................................................................................AALIEHWQR	96.15 %
LEN-142	................................................S.............................................................................................E......................................................................................................................................AALIEHWQR	96.15 %
LEN-143	................................................S...........................................................................................H........................................................................................................................................AALIEHWQR	96.15 %
LEN-144	................................................S....................................................................................................................................................C...............................................................................AALIEHWQR	96.15 %
LEN-145	................................................S.....................................................................................................................................................................L..............................................................AALIEHWQR	96.15 %
LEN-146	................................................S..................................V.........................T.......................................................................................................................................................................AALIEHWQR	95.80 %
LEN-147	.................A..............................S............................................................T..................C...............................................................................................................................................L....AALIEHWQR	95.10 %
LEN-148	.................A..............................S............................................................T......................................................................................T...........................................................L....................AALIEHWQR	95.10 %
LEN-149	.........C.......A..............................S............................................................T............................................F..........................................................................................................................AALIEHWQR	95.10 %
LEN-150	.........C.......A..............................S............................................................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-151	.................A..............................S............................................................T.............................C.........................................................................................................................................AALIEHWQR	95.45 %
LEN-152	.................A..............................S............................................................T.................................................................................................E.....................................................................AALIEHWQR	95.45 %
LEN-153	.................A..............................S............................................................T..................................................R....................................................................................................................AALIEHWQR	95.45 %
LEN-154	.................A..............................S..........................................P.................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-155	.................A..............................S............................................................T...........................G...........................................................................................................................................AALIEHWQR	95.45 %
LEN-156	.................A..............................S.................................................G..........T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-157	.................A..............................S............................................................T.............................................................................................................................P.........................................AALIEHWQR	95.45 %
LEN-159	.................A..............................S............................................................T...................................................................S...................................................................................................AALIEHWQR	95.45 %
LEN-160	.................A..............................S............................................................T..........................................................R............................................................................................................AALIEHWQR	95.45 %
LEN-161	.................A..............................S............................................................T...............................................................S.......................................................................................................AALIEHWQR	95.45 %
LEN-163	.................A..............................S............................V...............................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-164	.................A..............................S....T.......................................................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-165	.................A..............................S............................................................T..........................................................................................................L............................................................AALIEHWQR	95.45 %
LEN-166	.................A..............................S......................................................I.....T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-167	............T....A..............................S............................................................T.......................................................................................................................................................................AALIEHWQR	95.45 %
LEN-168	.................A..............................S...........................................................................................................H.................................................................A......................................................AALIEHWQR	95.45 %
LEN-169	.................A..............................S..................................V.........................T................................................................................................................A......................................................AALIEHWQR	95.10 %
LEN-170	.................A..............................S............................................................T................................................................................................................A......................................................AALIEHWQR	95.45 %
LEN-171	.................A.D............................S...........................................................................................................H...................................................................................................L....................AALIEHWPR	95.10 %
LEN-172	.................A.D............................S...........................................................................................................H...................................................................................................L.................W..AALIEHWQR	94.76 %
LEN-173	.................A.D............................S...........................................................................................................H...................................................................................................L....................AALIEHWQR	95.10 %
LEN-174	.................A.D............................S..............V.....................................Y...............................................................................................................................................................................AALIEHWQR	95.10 %
LEN-175	.................A.D............................S..............V.....................................................................................................................................................................................................................AALIEHWQR	95.45 %
LEN-176	.........Y.......A.D............................S..............V.....................................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-177	.............N...A.D............................S..............................................................................................................................................................................................................................Y.....AALIEHWQR	95.10 %
LEN-178	.................A.D............................S.........................................................................V.....................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-179	.................A.D......................A.....S...............................................................................................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-180	.................A.D............................S...................................................................................................................................................T...........................................................L....................AALIEHWQR	95.10 %
LEN-181	.................A.D............................S...................................................................................Q...........................................................................................................................L....................AALIEHWQR	95.10 %
LEN-182	.................A.D............................S..................................................G............................................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-183	.................A.D............................S..............R................................................................................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-184	.................A.D............................S............................................C..................................................................................................................................................................L....................AALIEHWQR	95.10 %
LEN-185	.................A.D............................S...................................................................................................................................................................S................................................................AALIEHWQR	95.45 %
LEN-186	.................A.D............................S.........................G..........................................................................................................................................................................................................AALIEHWQR	95.45 %
LEN-188	.................A.D............................S.......................................................................................................................................R............................................................................................AALIEHWQR	95.45 %
LEN-189	.................A.D............................S....................................................................................................................................................................D...............................................................AALIEHWQR	95.45 %
LEN-190	.................A.D............................S...............................................................................G.......................................................................................L............................................................AALIEHWQR	95.10 %
LEN-191	.................A.D............................S.................................................................................................................K.............................................................................................L....................AALIEHWQR	95.10 %
LEN-192	.................A.D............................S..................................V..............................................................................M.............................................................................................L....................AALIEHWQR	94.76 %
LEN-193	.................A.D............................S.................................................................................................................M.............................................................................................L....................AALIEHWQR	95.10 %
LEN-194	.................A.D............................S..................................V........................................................................................M.................................................A.................................L....................AALIEHWQR	94.41 %
LEN-195	.................A.D..........................................................................................................................................................................................................A......................................................AALIEHWQR	95.80 %
LEN-196	.................A.D............................S............................V................................................................................................................................................A......................................................AALIEHWQR	95.10 %
LEN-197	.................A.D.........................E..S..................................V.................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-198	.................A.D.........................E..S..................................V...........................................................................................................................G.....................................................................AALIEHWQR	94.76 %
LEN-199	.......I.........A.D............................S..................................V.................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-200	.................A.D............................S..................................V...................................V.............................................................................................................................................................AALIEHWQR	95.10 %
LEN-201	.................A.D............................S..................................V...................................S.............................................................................................................................................................AALIEHWQR	95.10 %
LEN-202	.................A.D............................S..................................V.....Q...........................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-203	.................A.D............................S..................................V...................................................................................V.............................................................................................................AALIEHWQR	95.10 %
LEN-204	.................A.D............................S..................................V...E.............................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-205	.................A.D............................S..................................V............................................................................................................................................................................T....................AALIEHWQR	95.10 %
LEN-206	.................A.D............................S....T.............................V.................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-207	.................A.D............................S..................................V........................................................................H........................................................................................................................AALIEHWQR	95.10 %
LEN-208	.................A.D............................S............................T.....V.................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-209	.................A.D............................S..................................V.............................................................................................................................................................................................S...AALIEHWQR	95.10 %
LEN-210	.................A.D....Q.......................S..................................V.................................................................................................................................................................................................AALIEHWQR	95.10 %
LEN-211	.H...............A.D............................S..................................V..........................................................................................................................................A......................................................AALIEHWQR	94.76 %
LEN-P5	-------..........A.D............................S............................................................T.................................................................................................................................................................Q.....AALI-----	94.31 %
LEN-P6	-------.........................................S..............................................................................................................................................................................................................................Q.....AALI-----	95.37 %

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)