1FUB
FIRST PROTEIN STRUCTURE DETERMINED FROM X-RAY POWDER DIFFRACTION DATA
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 CHAIN | polymer | 21 | 2383.7 | 2 | UniProt (P01308) | ||
| 2 | B, D (B, D) | INSULIN, B CHAIN | polymer | 30 | 3434.0 | 2 | UniProt (P01308) Pfam (PF00049) | ||
| 3 | E, H (B, D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | F, I (B, D) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | G (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 11635.3 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 224.7 | |
| All* | Total formula weight | 11860.0 |
