8HGZ
Crystal structure of insulin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A, C, E, G (E, A, I, M)  | Insulin A chain | polymer | 21 | 2383.7 | 4 | UniProt (P01308) | Homo sapiens (human) | Small chain | 
| 2 | B, D, F, H (F, B, J, N)  | Insulin B chain | polymer | 29 | 3332.8 | 4 | UniProt (P01308) Pfam (PF00049)  | Homo sapiens (human) | |
| 3 | I, M, Q, R, X (F, B, J, N)  | PHENOL | non-polymer | 94.1 | 5 | Chemie (IPH) | |||
| 4 | J, N, S, V (F, B, J, N)  | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 5 | K, O, T, W (F, B, J, N)  | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 6 | L, P, U, Y (F, B, J, N)  | MYRISTIC ACID | non-polymer | 228.4 | 4 | Chemie (MYR) | |||
| 7 | AA, BA, CA, DA, EA... (F, A, B, I, J...)  | water | water | 18.0 | 188 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 | 
| Total formula weight | 22866.2 | |
| Non-Polymers* | Number of molecules | 17 | 
| Total formula weight | 1787.5 | |
| All* | Total formula weight | 24653.7 | 






