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serine hydrolase
This is the catalytic domain of class A beta-lactamases [1]. It is closely related to Beta-lactamase, Pfam:PF00144, the serine beta-lactamase-like superfamily, which contains the distantly related Pfam:PF00905 and PF00768 D-alanyl-D-alanine carboxypeptidase. [1]. 19100272. Structure of PBP-A from Thermosynechococcus elongatus, a penicillin-binding protein closely related to class A beta-lactamases. Urbach C, Evrard C, Pudzaitis V, Fastrez J, Soumillion P, Declercq JP;. J Mol Biol. 2009;386:109-120. (from Pfam)
This model finds serine hydrolases of many sorts, including class C beta-lactamases. Despite the name given by Pfam as a short-hand for this HMM, members proteins should be assumed to be something other than a beta-lactamase if RefSeq or PGAP uses this HMM for naming. True beta-lactamases are named by more specific HMMs.
class A beta-lactamase-related serine hydrolase
class A beta-lactamase-related serine hydrolase, similar to beta lactamases which hydrolyze the amide bond of the beta-lactam ring via the formation of an acyl-enzyme covalent complex
CTX-M family extended-spectrum class A beta-lactamase
class A beta-lactamase
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