3IWR
Crystal structure of class I chitinase from Oryza sativa L. japonica
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (A, B) | Chitinase | polymer | 309 | 32740.2 | 2 | UniProt (Q7DNA1) Pfam (PF00187) Pfam (PF00182) | Oryza sativa Japonica Group (Japanese rice) | Endochitinase |
2 | C, E (A, B) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 2 | Chemie (MES) | |||
3 | D, F (A, B) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 2 | Chemie (MPD) | |||
4 | G, H (A, B) | water | water | 18.0 | 121 | Chemie (HOH) |
Sequence modifications
A, B: 33 - 340 (UniProt: Q7DNA1)
PDB | External Database | Details |
---|---|---|
Met 32 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 65480.4 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 626.8 | |
All* | Total formula weight | 66107.3 |