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4AX7

Hypocrea jecorina Cel6A D221A mutant soaked with 4-Methylumbelliferyl- beta-D-cellobioside

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
A0030245biological_processcellulose catabolic process
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
B0030245biological_processcellulose catabolic process
C0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
C0005975biological_processcarbohydrate metabolic process
C0030245biological_processcellulose catabolic process
D0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
D0005975biological_processcarbohydrate metabolic process
D0030245biological_processcellulose catabolic process
Functional Information from PROSITE/UniProt
site_idPS00655
Number of Residues17
DetailsGLYCOSYL_HYDROL_F6_1 Glycosyl hydrolases family 6 signature 1. VvYdlPdRDCAalASnG
ChainResidueDetails
AVAL167-GLY183

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"12188666","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer that also modulates the pKa of Asp-245 and may act as a proton acceptor through a water chain","evidences":[{"source":"PubMed","id":"2377893","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsGlycosylation: {"description":"O-linked (Man...) threonine","evidences":[{"source":"PubMed","id":"12188666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8875646","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsGlycosylation: {"description":"O-linked (Man...) serine","evidences":[{"source":"PubMed","id":"12188666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8875646","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc) asparagine","evidences":[{"source":"PubMed","id":"12188666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8875646","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) (high mannose) asparagine","evidences":[{"source":"PubMed","id":"12188666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8875646","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 440
ChainResidueDetails
ATYR169modifies pKa, steric role
AARG174electrostatic stabiliser
AASP175modifies pKa, proton shuttle (general acid/base), transition state stabiliser
ASER181electrostatic stabiliser
AALA221proton shuttle (general acid/base)
AASP401electrostatic stabiliser

site_idMCSA2
Number of Residues5
DetailsM-CSA 440
ChainResidueDetails
BTYR169modifies pKa, steric role
BARG174electrostatic stabiliser
BASP175modifies pKa, proton shuttle (general acid/base), transition state stabiliser
BALA221proton shuttle (general acid/base)
BASP401electrostatic stabiliser

site_idMCSA3
Number of Residues6
DetailsM-CSA 440
ChainResidueDetails
CTYR169modifies pKa, steric role
CARG174electrostatic stabiliser
CASP175modifies pKa, proton shuttle (general acid/base), transition state stabiliser
CSER181electrostatic stabiliser
CALA221proton shuttle (general acid/base)
CASP401electrostatic stabiliser

site_idMCSA4
Number of Residues5
DetailsM-CSA 440
ChainResidueDetails
DTYR169modifies pKa, steric role
DARG174electrostatic stabiliser
DASP175modifies pKa, proton shuttle (general acid/base), transition state stabiliser
DALA221proton shuttle (general acid/base)
DASP401electrostatic stabiliser

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PDB entries from 2025-10-22

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