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

Sequence alignment for the PLA beta-lactamase family

PLA-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.......290.
MRQYRFALLPLLAALALPGWAHQATVTTVKQAESQLQGRVGYAELDLASGQLLAGYRSDERFPMMSTFKVLLCGAVLSRVDAGEEQLDRRIHYRQQDLVEYSPVTEKHLTDGLTVGELCAAAITLSDNTAANLLLTTLGGPQGLTSFLRHSGDQTSRLDRWETELNEARPGDVRDTTTPQAMARTLRNLLTGRVLSSASQQQLQRWMVEDKVAGPLLRSVLPAGWFIADKTGAGNRGSRGIIAALGPDGKAARIVVIYLTGTPATMDERNKQIAAIGATLIRHWSADENRP
PLA-2a........................................................................................................................................................................................................................................................................................VT......... 99.31 %
PLA-3.....................................................................................................................................................................................................................................................................P..................VT......... 98.97 %
PLA-4........................................................................................................................................................................................................................................................................A...............VT......... 98.97 %
PLA-5.........................................................................................................................................................................................................................................................................................T......... 99.66 %
PLA-6................................................................................................................................................................................................S.................................................................................................. 99.66 %
PLA-7................................................................................................................................................................................................S.......................................................................................VT......... 98.97 %
PLA-8....................................................................................................................................................H...................................................................................................................................VT......... 98.97 %
A-PLA 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)