Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (AAA, BBB) | Carbonic anhydrase 1 | polymer | 261 | 28906.2 | 2 | UniProt (P00915) Pfam (PF00194) | Homo sapiens (human) | Carbonate dehydratase I,Carbonic anhydrase B,CAB,Carbonic anhydrase I,CA-I |
| 2 | C, F (AAA, BBB) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | D (AAA) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 1 | Chemie (DMS) | |||
| 4 | E, G (AAA, BBB) | Azosemide | non-polymer | 370.8 | 2 | Chemie (IWE) | |||
| 5 | H, I (AAA, BBB) | water | water | 18.0 | 373 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 57812.4 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 950.6 | |
| All* | Total formula weight | 58763.0 |
