4MB3
Crystal structure of E153Q mutant of cold-adapted chitinase from Moritella marina
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Chitinase 60 | polymer | 528 | 58616.4 | 1 | UniProt (B1VBB0) | Moritella marina | |
| 2 | B, C, D, E (A) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 3 | F (A) | GLYCINE | non-polymer | 75.1 | 1 | Chemie (GLY) | |||
| 4 | G (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 5 | H (A) | IMIDAZOLE | non-polymer | 69.1 | 1 | Chemie (IMD) | |||
| 6 | I (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | J (A) | water | water | 18.0 | 870 | Chemie (HOH) |
Sequence modifications
A: 23 - 550 (UniProt: B1VBB0)
| PDB | External Database | Details |
|---|---|---|
| Gln 153 | Glu 153 | engineered mutation |
| His 452 | Arg 452 | SEE REMARK 999 |
| Thr 470 | Ala 470 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 58616.4 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 389.7 | |
| All* | Total formula weight | 59006.1 |
