UniProt functional annotation for P82974

UniProt code: P82974.

Organism: Citrobacter freundii.
Taxonomy: Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Citrobacter; Citrobacter freundii complex.
 
Function: Involved in cell wall peptidoglycan recycling (PubMed:14507260). Specifically cleaves the amide bond between the lactyl group of N-acetylmuramic acid and the alpha-amino group of the L-alanine in degradation products containing an anhydro N-acetylmuramyl moiety (PubMed:14507260). Is also involved in beta-lactamase induction (PubMed:8383940). {ECO:0000269|PubMed:14507260, ECO:0000269|PubMed:8383940}.
 
Catalytic activity: Reaction=Hydrolyzes the link between N-acetylmuramoyl residues and L- amino acid residues in certain cell-wall glycopeptides.; EC=3.5.1.28; Evidence={ECO:0000269|PubMed:14507260};
Cofactor: Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000269|PubMed:12654266, ECO:0000269|PubMed:14507260}; Note=Zn(2+) is required for amidase activity. {ECO:0000269|PubMed:14507260};
Activity regulation: Amidase activity is inhibited by metal chelators such as EDTA, dipicolinic acid or 1,10-phenanthroline. {ECO:0000269|PubMed:14507260}.
Subcellular location: Cytoplasm {ECO:0000305}.
Similarity: Belongs to the N-acetylmuramoyl-L-alanine amidase 2 family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.