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1E6N

Chitinase B from Serratia marcescens inactive mutant E144Q in complex with N-acetylglucosamine-pentamer

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0008061molecular_functionchitin binding
A0030246molecular_functioncarbohydrate binding
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005576cellular_componentextracellular region
B0005975biological_processcarbohydrate metabolic process
B0008061molecular_functionchitin binding
B0030246molecular_functioncarbohydrate binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues766
DetailsDomain: {"description":"GH18","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues120
DetailsDomain: {"description":"Chitin-binding type-3"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP142
ATYR214
AGLN144

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
BASP142
BTYR214
BGLN144

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP142
AGLN144

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
BASP142
BGLN144

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP140
AGLN144

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
BASP140
BGLN144

246031

PDB entries from 2025-12-10

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