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5K9Y

Crystal structure of a thermophilic xylanase A from Bacillus subtilis 1A1 quadruple mutant Q7H/G13R/S22P/S179C

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
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
B0000272biological_processpolysaccharide catabolic process
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0031176molecular_functionendo-1,4-beta-xylanase activity
B0045493biological_processxylan catabolic process
Functional Information from PROSITE/UniProt
site_idPS00776
Number of Residues11
DetailsGH11_1 Glycosyl hydrolases family 11 (GH11) active site signature 1. PLiEYYVVDsW
ChainResidueDetails
APRO75-TRP85

site_idPS00777
Number of Residues12
DetailsGH11_2 Glycosyl hydrolases family 11 (GH11) active site signature 2. MatEGYQSSGcS
ChainResidueDetails
AMET169-SER180

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PROSITE-ProRule","id":"PRU10062","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"7911679","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10063","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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