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4D8X

Crystal structure of the hexameric purine nucleoside phosphorylase from Bacillus subtilis in space group P6322 at pH 4.6

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004731molecular_functionpurine-nucleoside phosphorylase activity
A0005829cellular_componentcytosol
A0006139biological_processnucleobase-containing compound metabolic process
A0006152biological_processpurine nucleoside catabolic process
A0009116biological_processnucleoside metabolic process
A0009164biological_processnucleoside catabolic process
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0016763molecular_functionpentosyltransferase activity
A0042278biological_processpurine nucleoside metabolic process
Functional Information from PROSITE/UniProt
site_idPS01232
Number of Residues16
DetailsPNP_UDP_1 Purine and other phosphorylases family 1 signature. GtGMGvPSiSIyvnEL
ChainResidueDetails
AGLY61-LEU76

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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