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

Sequence alignment for the OXA-50-like beta-lactamase family

OXA-50
........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...
MRPLLFSALL-LLSGHTQASEWNDSQAVDKLFGAAGVKGTFVLYDVQRQRYVGHDRERAETRFVPASTYKVANSLIGLSTGAVRSADEVLPYGGKPQRFKAWEHDMSLRDAIKASNVPVYQELARRIGLERMRANVSRLGYGNAEIGQVVDNFWLVGPLKISAMEQTRFLLRLAQGELPFPAPVQSTVRAMTLLESGPGWELHGKTGWCFDCTPELGWWVGWVKRNERLYGFALNIDMPGGEADIGKRVELGKASLKALGILP
OXA-395..........-.....A..................................................................K................................................................................................................................................................................... 99.24 %
OXA-396.....L....-..................................................................................................E.........................................................H............................................................................................... 98.85 %
OXA-485..........-....RA........................................................................................................................H............................................................................................................................. 98.85 %
OXA-486..........-......................................C...........................................................E......................................................................................................................................................... 99.24 %
OXA-488..........-.....A........R............................................................................................................................................................................................................................................. 99.24 %
OXA-494..........-..................................................................................................E.........................................................H............................................................................................... 99.24 %
OXA-846..........-.....A...............................................................................................E...................................................................................................................................................... 99.24 %
OXA-847..........-......................................C...........................................................E.........................................................H............................................................................................... 98.85 %
OXA-848..........-.....A........R.........................................................K................................................................................................................................................................................... 98.85 %
OXA-849.....I....-.....A...............................................................................................E...................................................................................................................................................... 98.85 %
OXA-850..........-............................................................................................................................................................H............................................................................................... 99.62 %
OXA-851..........-.....A...................................................................................................................................................................................................................................................... 99.62 %
OXA-901..........-.....A......N.R............................................................................................................................................................................................................................................. 98.85 %
OXA-902....F.....L.F...A.......................................G..........................K................................................................................................................................................................................... 97.72 %
OXA-903..........-......................................C.....................S.....................................E......................................................................................................................................................... 98.85 %
OXA-904..........-..................................................................................................E......................................................................................................................................................... 99.62 %
OXA-905..........-.....A...................................................................................................................................A.................................................................................................................. 99.24 %
OXA-906..........-.....A........H...............................................................................................................H............................................................................................................................. 98.85 %
OXA-907..........-.....A..............................................................I...K................................................................................................................................................................................... 98.85 %
OXA-908..........-.....A..................................................................K................................................H...............A.................................................................................................................. 98.47 %
OXA-913..........-.....A........R.........................................................................N................................................................................................................................................................... 98.85 %
OXA-914..........-................................................................................................................................S........................................................................................................................... 99.62 %
OXA-937..........-...............................................................................................................................................................I............................................................................................ 99.62 %
OXA-1014..........-.....A..................................................................K.........................E........................D................................................................................................................................ 98.47 %
OXA-1018..........-..F......................................................................................................................................................................................................................................................... 99.62 %
OXA-1019..........-.........................................................................................V...........E...................................................................................................................................T.................. 98.85 %
OXA-1020..........-......................................C...........................................................E...................................................................................................................................................V..... 98.85 %
OXA-1021....F.....L.F...A.......................................G..........................K............................................................................................................................................................................T...... 97.34 %
OXA-1022..........-.....A..................................................................K............................E....................................................................................Q................................................................. 98.47 %
OXA-1023..........-.....A...........................N......................................K................................................H................................................V................................................................................. 98.09 %
OXA-1024..........-.....A..................................................................K............................E............................................................................T......................................................................... 98.47 %
OXA-1025..........-..................................................................................................E.........................................................H............................S.................................................................. 98.85 %
OXA-1026..........-.....A........R...................................................................................E.................................................N.......H............................................................................................... 98.09 %
OXA-1027..........-.....A............................................................................................E......................................................................................................................................................... 99.24 %
OXA-1028..........-......................................C...........................................................E............................................................I............................................................................................ 98.85 %
OXA-1029..........-....P................................................................................................E...................................................................................................................................T.................. 98.85 %
OXA-1030..........-..............R............................................................................................................................................................................................................................................. 99.62 %
OXA-1031..........-.....A.............................................................................................................................................................................................................................S........................ 99.24 %
OXA-1032..........-.....A..................................................................K............................E...................................................................................................................................................... 98.85 %
OXA-1033.....L....-.....................................................................................................E.........................................................I............................................................................................ 98.85 %
OXA-1034.....L....-............................................................................................................................................................................................................................................................ 99.62 %
OXA-1035.......T..-.....A...............................................................................................E...................................................................................................................................................... 98.85 %
OXA-1124..........-.....A.....................................................M............K................................................................................................................................................................................... 98.85 %
OXA-1125..........-......................................C..................................................................................................................................................................................................................... 99.62 %
OXA-1126..........-.............................................................................G....................E.........................................................H............................................................................................... 98.85 %
OXA-1127..........-.....A................................L..................................................................................................................................................................................................................... 99.24 %
OXA-1128..........-........................................A................................................................................................................................................................................................................... 99.62 %
OXA-1129..........-.....................................................................................................E..........................S.....................................................................................Y..................T.................. 98.47 %
OXA-1130.....L....-..................................................................................................E......................................................................................................................................................... 99.24 %
OXA-1131..........-.....A............................................................................................E.........................................................H............................................................................................... 98.85 %
OXA-1132..........-.....................................................................................................E..............................T....................................................................................................T.................. 98.85 %
OXA-1133..........-.....................................................................................................E..........................S........................................................................................................T.................. 98.85 %
OXA-1134..........-...E.................................................................................................E..............................T....................................................................................................T.................. 98.47 %
OXA-1135..........-.....................................................................................................E...................................................................................................................................T.................. 99.24 %
OXA-1140..........-......................................C...........................................................E................................................M........................................................................................................ 98.85 %
OXA-1174..........-.....A...............................................................................................E............................................................................T......................................................................... 98.85 %
OXA-1188..........-.....A..........................H.......................................K................................................................................................................................................................................... 98.85 %
OXA-1198..........-.....A................................................................................H..................................................................................................................................................................... 99.24 %
OXA-1199.....L....-.............................................................................................................................................................L.............................................................................................. 99.24 %
OXA-1244..........-............................................................................................................................................................................................................................L............................... 99.62 %
OXA-1245..........-.....A..................................................................K.................................Q................................................................................................................................................. 98.85 %
OXA-1246..........-.....A...............................................................................................E...................................A.................................................................................................................. 98.85 %
OXA-1250..........-.............................................................................................V....E.........................................................H............................................................................................... 98.85 %
OXA-1252..........-...........................................................................Y................................................................................................................................................................................ 99.62 %
OXA-1253..........-......................................C...........................................................E.......................................G....................I............................................................................................ 98.47 %
OXA-1254..........-..................................................................................................E.......................G.................................H............................................................................................... 98.85 %
OXA-1255..........-..................................................................................................E.....................................................V...H............................................................................................... 98.85 %
OXA-1256..........-.....................................................................................................E......................................S............................................................................................T.................. 98.85 %
OXA-1267.H........-......................................C...........................................................E......................................................................................................................................................... 98.85 %
OXA-1268..........-.....A...............................................................................................E....................................................................................Q................................................................. 98.85 %
OXA-1269......C...-......................................C...........................................................E............................................................I............................................................................................ 98.47 %
OXA-1270..........-.....A.......T...N......................................................K................................................................................................................................................................................... 98.47 %
OXA-1271..........-...............................................................................................................................................................I.................S.......................................................................... 99.24 %
OXA-1272..........-.....A..................................................................K............................E...................................A.G................................................................................................................ 98.09 %
OXA-1273..........-.....A.......................................Q..........................K............................E............................................................................T......................................................................... 98.09 %
OXA-1274..........-.....A........................................................................................................................H...........................................................Q................................................................. 98.85 %
OXA-1276..........-........................................................................K................................................................................................................................................................................... 99.62 %
OXA-1277..........-.....A........R.........................................................................................................................................................................................................................................R... 98.85 %
OXA-1278..........-.....A............................................................................................E...................................T..................................................................................................................... 98.85 %
OXA-1279..........-....................................................................S...K................................................................................................................................................................................... 99.24 %
OXA-1280..........-.....A................................H...........................................................E.........................................................H............................................................................................... 98.47 %
OXA-1281..........-..................................................................................................E.......................................................................V...........................................................................T..... 98.85 %
OXA-1282..........-........................................................................................................................................................................L..........V........................................................................ 99.24 %
OXA-1283..........-......................................C...........................................................E..........E.............................................................................................................................................. 98.85 %
OXA-1285..........-.....A...............................................................................................................................................................................................................................R...................... 99.24 %
OXA-1286..........-.....................................................................................................E.........................................................I.....................................................C...................................... 98.85 %
OXA-1287..........-...............................................................................S.........................................................................................................S.................................................................. 99.24 %
OXA-1288..........-.........................................................................................................................................................................................S.................................................................. 99.62 %
OXA-1289..........-.....A..................................................................K............................E...................................A.................................................................................................................. 98.47 %
OXA-1291..........-.................G....................C...........................................................E......................................................................................................................................................... 98.85 %
OXA-1292..........-................................................................................................................................................................................................................................................S........... 99.62 %
OXA-1293..........-......................................C..............................................................E...................................................................................................................................................... 99.24 %
OXA-1295..........-.....A.......................................Q.......................................................E............................................................................T......................................................................... 98.47 %
OXA-1296..........-....P...................................I............................................................E...................................................................................................................................T.................. 98.47 %
OXA-1297..........-......................................C..............................................................E.........................................................I............................................................................................ 98.85 %
OXA-1298..........-.....A...............................................................................................E...................................................................................................................................T.................. 98.85 %
OXA-1299..........-.......................................................................................................P.................................................................................................................................................... 99.62 %
OXA-1300..........-.....A.V.................................................................................................................................................................................................................................................... 99.24 %
OXA-1301..........-................................................................................................................................................................................................................A........................................... 99.62 %
OXA-1334..........-...........................................................M......................................E.........................................................H............................................................................................... 98.85 %
OXA-1354..........-.............................................................................................N.............................................................................................................................................................. 99.62 %
OXA-1355..........-......................................C...........................................................E...............H......................................................................................................................................... 98.85 %
OXA-1356..........-......................................C...........................................................E.............................................................................................S........................................................... 98.85 %
OXA-1357..........-.....................................................................................................E......................................................H............................................................................................... 99.24 %
OXA-1358..........-..................................................................................................E.........................................................H.........................................................................................S..... 98.85 %
OXA-1359..........-............................S.........C...........................................................E............................................................I............................................................................................ 98.47 %
OXA-1360..........-.....A....................................................................................................................................................................T..........................................................R...................... 98.85 %
OXA-1361..........-.....A...K.................................................................................................................................................................................................................................................. 99.24 %
OXA-1362..........-.....A................................L................................................................................................................................................................................K.................................... 98.85 %
OXA-1363..........-.....................................................................................................E...................................................................................................................................TE................. 98.85 %
OXA-1364..........-.....A........R..........................................................................................................................................................................................................................................M.. 98.85 %
OXA-1365..........-.....A..................................................................K................................................H................................................V................................................................................. 98.47 %
OXA-1395..........-.....A...............................................................................................E........................H............................................................................................................................. 98.85 %
D-OXA-50-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)