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3EMC

Crystal structure of XynB, an intracellular xylanase from Paenibacillus barcinonensis

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005737cellular_componentcytoplasm
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 PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MPD A 500
ChainResidue
ATRP85
AGLU134
AGLN210
AHIS212
AGLU241
ATRP299
AHOH636
AHOH712

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE MPD A 600
ChainResidue
AHIS212

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues329
DetailsDomain: {"description":"GH10","evidences":[{"source":"PROSITE-ProRule","id":"PRU01096","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1exp
ChainResidueDetails
AHIS212
AASP243
AGLU134
AGLU241

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1exp
ChainResidueDetails
AGLU134

239803

PDB entries from 2025-08-06

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