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

Sequence alignment for the AKK2 beta-lactamase family

AKK2-1
........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.....
MSSPASVSAADSSAVQELAHSLKARVGMAAEMLDTGETVAVGDEAAYPMQSVVKFVLALSVLKRVDQGVMNLEQIIRIRPEQLVKDTWSPLRERSPQGGDFSLKELLKVTVQESDNNTCDLLFSLIGGPQAVQKDLTEWGIDGINVRFTEDEIHRNRDLQYANSSRPSAMNSLLRAFDEGKILKKGTQHVLWDIMAGCSTGHERLKGQLPRDYVVAHKTGSGFSLPGGGVTARNDVGIIVLPNGRKMAVSMFIRDSKDSESACDRMIASMARWLCMEWKPAAGKE
AKK2-2.............................................D.......................I........................F............R...............G............K................................................................P................................................................................... 97.54 %
AKK2-3........T....................................D................................................F............R...............G............K................................................................P......................F.........................V.................................. 96.84 %
AKK2-4.............................................D................................................F............R............F..G............K................................................................P................................................V.................................. 97.19 %
AKK2-5....V........................................................................................SF............R............................K...................................................R............L................................................V..............V................... 96.84 %
AKK2-6....S...................S.....................................................................F............R.............................................................................................P................................................V.................................. 97.89 %
AKK2-7....................................................................A......................................R................................................................................R....................S........................................V.................................. 98.25 %
AKK2-8...........................................D.............................................................................................................................................................P................................................V.................................. 98.95 %
AKK2-9...........................................D.............................................................................................................................................................P....................S...........................V.................................. 98.60 %
A-AKK2 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)