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1D2K

C. IMMITIS CHITINASE 1 AT 2.2 ANGSTROMS RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0004568molecular_functionchitinase activity
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0006032biological_processchitin catabolic process
A0008061molecular_functionchitin binding
A0008843molecular_functionendochitinase activity
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
Functional Information from PROSITE/UniProt
site_idPS01095
Number of Residues9
DetailsGH18_1 Glycosyl hydrolases family 18 (GH18) active site signature. FDGIDIDwE
ChainResidueDetails
APHE163-GLU171

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton donor => ECO:0000255|PROSITE-ProRule:PRU01258
ChainResidueDetails
AGLU171

site_idSWS_FT_FI2
Number of Residues5
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU01258
ChainResidueDetails
AGLY102
AGLY129
ATYR172
AMET237
ATRP378

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Transition state stabilizer
ChainResidueDetails
AASP169

site_idSWS_FT_FI4
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255
ChainResidueDetails
AASN387

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP169
ATYR239
AGLU171

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP169
AGLU171

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ctn
ChainResidueDetails
AASP167
AGLU171

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PDB entries from 2025-06-11

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