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2DKV

Crystal structure of class I chitinase from Oryza sativa L. japonica

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004568molecular_functionchitinase activity
A0005975biological_processcarbohydrate metabolic process
A0006032biological_processchitin catabolic process
A0006952biological_processdefense response
A0008061molecular_functionchitin binding
A0008843molecular_functionendochitinase activity
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0016998biological_processcell wall macromolecule catabolic process
A0050832biological_processdefense response to fungus
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MES A 341
ChainResidue
AILE204
AGLN205
ALEU206
ASER207
AASN211
APHE244
AVAL285
AASN286
AHOH471

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MES A 342
ChainResidue
APRO45
AASN46
APRO179
APRO180
ASER181
AASP182
APRO295
AASP297
AHOH466

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MPD A 343
ChainResidue
AARG142
AILE259

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MPD A 344
ChainResidue
AGLY157
ACYS172
APHE173
APRO194

Functional Information from PROSITE/UniProt
site_idPS00026
Number of Residues20
DetailsCHIT_BIND_I_1 Chitin recognition or binding domain signature. Cpncl.CCSrwGwCGttsdFC
ChainResidueDetails
ACYS44-CYS63

site_idPS00773
Number of Residues23
DetailsCHITINASE_19_1 Chitinases family 19 signature 1. Cparg.FYTyeaFLaAaaaFpaFG
ChainResidueDetails
ACYS110-GLY132

site_idPS00774
Number of Residues11
DetailsCHITINASE_19_2 Chitinases family 19 signature 2. VSFkTALWFWM
ChainResidueDetails
AVAL236-MET246

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsDomain: {"description":"Chitin-binding type-1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00261","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P29022","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cns
ChainResidueDetails
ASER207
AGLU154
AGLU176

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PDB entries from 2025-12-17

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