CTX-M-2

........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.......290. MMTQSIRRSMLTVMATLPLLFSSATLHAQANSVQQQLEALEKSSGGRLGVALINTADNSQILYRADERFAMCSTSKVMAAAAVLKQSESDKHLLNQRVEIKKSDLVNYNPIAEKHVNGTMTLAELGAAALQYSDNTAMNKLIAHLGGPDKVTAFARSLGDETFRLDRTEPTLNTAIPGDPRDTTTPLAMAQTLKNLTLGKALAETQRAQLVTWLKGNTTGSASIRAGLPKSWVVGDKTGSGDYGTTNDIAVIWPENHAPLVLVTYFTQPEQKAESRRDILAAAAKIVTHGF

CTX-M-4	...................................................Q...........V....................................RA.........................G.............................................S.....................................................M....G..........................................................	97.25 %
CTX-M-5	.............................T..........................................................................................................................................................................................................G.....................A.......................V............	98.63 %
CTX-M-6	...............................................................L.....................................A.........................G.............................................S........................................................C...............................................V............	97.94 %
CTX-M-7	...............................................................V....................................RA.....................Q...G.............................................S..........................................................G.............................................V............	97.25 %
CTX-M-20	......................................................................................................................................................................................................................................................................................F............	99.66 %
CTX-M-31	.................................................................................................................................................................S.................................................................................................................................	99.66 %
CTX-M-35	.........................................................................................................................................................................S.........................................................................................................................	99.66 %
CTX-M-43	.................................................................................................................................................................................................................................................G................................R................	99.31 %
CTX-M-44	..................................................................................................................................................................................................................................................................................R................	99.66 %
CTX-M-56	..................................................................................................................................................................................................................................................................................N................	99.66 %
CTX-M-59	...........................................................................................L.......................................................................................................................................................................................................	99.66 %
CTX-M-74	.........................................................................................................................................................................T.........................................................................................................................	99.66 %
CTX-M-75	.................S.................................................................................................................................................................................................................................................................................	99.66 %
CTX-M-76	.............................T..........................................................................................................................................................................................................G.............................................V............	98.97 %
CTX-M-77	.............................T.......K..........................................................................................................................................................................................Q.........................I...........................V.........R..	97.94 %
CTX-M-92	...............................................................................................................................................................................................................T...................................................................................	99.66 %
CTX-M-95	.............................T....................................................L.............................................................................................................................................Q.....................................................V............	98.63 %
CTX-M-97	......G............................................................................................................................................................................................................................................................................................	99.66 %
CTX-M-115	..........................................................................................................................................................................................................................................................I...........................V..........S.	98.97 %
CTX-M-124	..........................................................................................................................................................................................................................................................I...........................V............	99.31 %
CTX-M-131	.................................................................................................................................................................................................................................................G.................................................	99.66 %
CTX-M-141	...............................................................................................................................................................................................................E...................................................................................	99.66 %
CTX-M-165	..............................S....................................................................................................................................................................................................................................................................	99.66 %
CTX-M-171	................................................................................................S..................................................................................................................................................................................................	99.66 %
CTX-M-200	...............................................................................................................................................................................................................................................I...................................................	99.66 %
CTX-M-229	......................................................................................................................................................................S.......-A...................................................................................................................	98.97 %
CTX-M-253	...............................................................................V...................................................................................................................................................................................................................	99.66 %
CTX-M-270	.............................T..................................................................................................................................................................................................Q.........................I..........................YV............	98.28 %
CTX-M-272	..............................Y....................................................................................................................................................................................................................................................................	99.66 %
CTX-M-283	............M........G.V.....T.............A......V........................................N.................................S.........................................................................N...D....................Q.....................................................V............	95.88 %
KLUA-5	.............................T..........................G..H..........K...............................................................................................................................................................................................................V............	98.28 %
KLUA-6	......................R......T..........................................................................................................................................................................................................G.....................A.......................V............	98.28 %
KLUA-8	..........................................................................................................................................................................................................................................................I.....QT....................V............	98.63 %
KLUA-9	................................................................................................................................................................................................................................Q.........................I..................D........V............	98.63 %
KLUA-10	.............................T...........................................................N......................................................................................................................................Q.....................................................V............	98.63 %
KLUA-11	................................................................................................................................................................................................................................Q...............V...P.TH..I..................D........V............	97.25 %

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)