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4HK8

Crystal Structures of Mutant Endo- -1,4-xylanase II Complexed with substrate (1.15 A) and Products (1.6 A)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0031176molecular_functionendo-1,4-beta-xylanase activity
A0045493biological_processxylan catabolic process
Functional Information from PROSITE/UniProt
site_idPS00776
Number of Residues11
DetailsGH11_1 Glycosyl hydrolases family 11 (GH11) active site signature 1. PLiEYYIVEnF
ChainResidueDetails
APRO83-PHE93

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"26392527","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24419374","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"26392527","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24419374","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24419374","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2025-07-23

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