3IWR
Crystal structure of class I chitinase from Oryza sativa L. japonica
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000272 | biological_process | polysaccharide catabolic process |
| A | 0004568 | molecular_function | chitinase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
| A | 0006032 | biological_process | chitin catabolic process |
| A | 0006952 | biological_process | defense response |
| A | 0008061 | molecular_function | chitin binding |
| A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| A | 0016998 | biological_process | cell wall macromolecule catabolic process |
| A | 0050832 | biological_process | defense response to fungus |
| B | 0000272 | biological_process | polysaccharide catabolic process |
| B | 0004568 | molecular_function | chitinase activity |
| B | 0005975 | biological_process | carbohydrate metabolic process |
| B | 0006032 | biological_process | chitin catabolic process |
| B | 0006952 | biological_process | defense response |
| B | 0008061 | molecular_function | chitin binding |
| B | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| B | 0016998 | biological_process | cell wall macromolecule catabolic process |
| B | 0050832 | biological_process | defense response to fungus |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE MES A 1 |
| Chain | Residue |
| A | GLU154 |
| A | ILE204 |
| A | GLN205 |
| A | LEU206 |
| A | SER207 |
| A | ASN211 |
| A | VAL285 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE MPD A 341 |
| Chain | Residue |
| A | PRO276 |
| A | ARG142 |
| A | ILE259 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE MES B 2 |
| Chain | Residue |
| B | GLU154 |
| B | ILE204 |
| B | GLN205 |
| B | LEU206 |
| B | SER207 |
| B | ASN211 |
| B | VAL285 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MPD B 341 |
| Chain | Residue |
| B | HOH9 |
| B | THR139 |
| B | ARG142 |
| B | ILE259 |
Functional Information from PROSITE/UniProt
| site_id | PS00026 |
| Number of Residues | 20 |
| Details | CHIT_BIND_I_1 Chitin recognition or binding domain signature. Cpncl.CCSrwGwCGttsdFC |
| Chain | Residue | Details |
| A | CYS44-CYS63 |
| site_id | PS00773 |
| Number of Residues | 23 |
| Details | CHITINASE_19_1 Chitinases family 19 signature 1. Cparg.FYTyeaFLaAaaaFpaFG |
| Chain | Residue | Details |
| A | CYS110-GLY132 |
| site_id | PS00774 |
| Number of Residues | 11 |
| Details | CHITINASE_19_2 Chitinases family 19 signature 2. VSFkTALWFWM |
| Chain | Residue | Details |
| A | VAL236-MET246 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: Proton donor => ECO:0000250|UniProtKB:P29022 |
| Chain | Residue | Details |
| A | GLU154 | |
| B | GLU154 |
