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2BZD

Galactose recognition by the carbohydrate-binding module of a bacterial sialidase.

Replaces:  2BQ9
Functional Information from GO Data
ChainGOidnamespacecontents
A0004308molecular_functionexo-alpha-sialidase activity
A0005576cellular_componentextracellular region
A0005737cellular_componentcytoplasm
A0005975biological_processcarbohydrate metabolic process
A0006689biological_processganglioside catabolic process
A0009313biological_processoligosaccharide catabolic process
A0016020cellular_componentmembrane
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0004308molecular_functionexo-alpha-sialidase activity
B0005576cellular_componentextracellular region
B0005737cellular_componentcytoplasm
B0005975biological_processcarbohydrate metabolic process
B0006689biological_processganglioside catabolic process
B0009313biological_processoligosaccharide catabolic process
B0016020cellular_componentmembrane
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
C0004308molecular_functionexo-alpha-sialidase activity
C0005576cellular_componentextracellular region
C0005737cellular_componentcytoplasm
C0005975biological_processcarbohydrate metabolic process
C0006689biological_processganglioside catabolic process
C0009313biological_processoligosaccharide catabolic process
C0016020cellular_componentmembrane
C0016787molecular_functionhydrolase activity
C0016798molecular_functionhydrolase activity, acting on glycosyl bonds
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues33
DetailsRepeat: {"description":"BNR 1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues33
DetailsRepeat: {"description":"BNR 2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues33
DetailsRepeat: {"description":"BNR 3"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues33
DetailsRepeat: {"description":"BNR 4"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues33
DetailsRepeat: {"description":"BNR 5"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues450
DetailsDomain: {"description":"F5/8 type C","evidences":[{"source":"PROSITE-ProRule","id":"PRU00081","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues3
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 835
ChainResidueDetails
AASP92activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
AALA260activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
ATYR370covalently attached, nucleofuge, nucleophile, proton acceptor, proton donor

site_idMCSA2
Number of Residues3
DetailsM-CSA 835
ChainResidueDetails
BASP92activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
BALA260activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
BTYR370covalently attached, nucleofuge, nucleophile, proton acceptor, proton donor

site_idMCSA3
Number of Residues3
DetailsM-CSA 835
ChainResidueDetails
CASP92activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
CALA260activator, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
CTYR370covalently attached, nucleofuge, nucleophile, proton acceptor, proton donor

site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1euu
ChainResidueDetails
AASP92
ATYR370
AALA260

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1euu
ChainResidueDetails
BASP92
BTYR370
BALA260

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1euu
ChainResidueDetails
CASP92
CTYR370
CALA260

246905

PDB entries from 2025-12-31

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