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5TXC

AtxE2 Isopeptidase - APO

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008236molecular_functionserine-type peptidase activity
B0006508biological_processproteolysis
B0008236molecular_functionserine-type peptidase activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"23862624","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"27998080","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Important for activity. Binds to Astexin-3","evidences":[{"source":"PubMed","id":"27998080","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Catalytically important residue that stabilizes the alkoxide intermediate. Moves to point toward the isopeptide bond","evidences":[{"source":"PubMed","id":"27998080","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2025-08-27

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