Beta-Lactamase DataBase (BLDB): Structure and Function
Sequence alignment for the PYX beta-lactamase family
PYX-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.......
MLARSIRRLPLCALLLLGGACASTPDRAAPAATPQVQTDGPSEYKVAEDIQLRRLAPGVWLHTTLSGEDFGHYPANGLLIEEGEGSLLVDMGWNARHAEHLLTWARETLRRPVRAAVVTHFHSDRTGGVPALVAQGLPVYGLEETLALAKTRGQPVPTHTVSQGEALGPIEVFFPGAGHAPDNVVVWHKDSGVLFGGCFVKDSASKNLGNVGDADVKAWPASLERTRQRFPEMRVVVPGHGQPGGTELLTHTEALLR |
PYX-2 | .TPPALH..CTR.VF..FA.....QE...---A.AAGPE.....T.....HV.............A.....R......V..D..ET...........G.Q.VA...................G.............I........AK..AET.K....R.F.GTHS....DL........R..I.AF.R.............G.A.D....E....T.........HE...G.........A...P...L..QS... | 72.37 % |

Last updated: September 18, 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
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