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4Z2K

Serratia marcescens Chitinase B complexed with macrolide inhibitor 32

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
Functional Information from PDB Data
site_idAC1
Number of Residues11
Detailsbinding site for residue M6E A 501
ChainResidue
ATYR10
ATHR461
ATHR483
AASP142
AGLU144
AILE170
AMET212
ATYR214
AASP215
ATRP220
AASP316

site_idAC2
Number of Residues6
Detailsbinding site for residue GOL A 502
ChainResidue
AARG162
AALA204
APRO205
AASP207
ALYS284
AHOH758

site_idAC3
Number of Residues8
Detailsbinding site for residue GOL A 503
ChainResidue
APRO260
APHE263
ASER264
AARG439
ATYR440
ATHR441
AHOH651
AHOH661

site_idAC4
Number of Residues5
Detailsbinding site for residue GOL A 504
ChainResidue
AARG244
APHE259
APRO260
ASER261
AHOH736

Functional Information from PROSITE/UniProt
site_idPS01095
Number of Residues9
DetailsGH18_1 Glycosyl hydrolases family 18 (GH18) active site signature. FDGVDIDwE
ChainResidueDetails
APHE136-GLU144

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues383
DetailsDomain: {"description":"GH18","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues60
DetailsDomain: {"description":"Chitin-binding type-3"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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