4CQ0
Cyclic secondary sulfonamides: unusually good inhibitors of cancer- related carbonic anhydrase enzymes
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | CARBONIC ANHYDRASE 2 | polymer | 260 | 29289.1 | 1 | UniProt (P00918) Pfam (PF00194) | HOMO SAPIENS (HUMAN) | CARBONATE DEHYDRATASE II, CARBONIC ANHYDRASE C, CAC, CARBONIC ANHYDRASE II, CA-II |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | C (A) | FORMIC ACID | non-polymer | 46.0 | 1 | Chemie (FMT) | |||
| 4 | D (A) | 6-amino-1,2-benzothiazol-3(2H)-one 1,1-dioxide | non-polymer | 198.2 | 1 | Chemie (SXS) | |||
| 5 | E (A) | water | water | 18.0 | 244 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 29289.1 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 309.6 | |
| All* | Total formula weight | 29598.7 |
