1J73
Crystal structure of an unstable insulin analog with native activity.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A, C (A, C)  | insulin a | polymer | 21 | 2382.7 | 2 | UniProt (P01308) | ||
| 2 | B, D (B, D)  | insulin b | polymer | 30 | 3434.0 | 2 | UniProt (P01308) Pfam (PF00049)  | ||
| 3 | E, F (B, D)  | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | G, H, I, J (A, B, C, D)  | water | water | 18.0 | 95 | Chemie (HOH) | 
Sequence modifications
A, C: 1 - 21 (UniProt: P01308)
| PDB | External Database | Details | 
|---|---|---|
| Dab 8 | Thr 97 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 | 
| Total formula weight | 11633.3 | |
| Non-Polymers* | Number of molecules | 2 | 
| Total formula weight | 130.8 | |
| All* | Total formula weight | 11764.1 | 






