3KIG
Mutant carbonic anhydrase II in complex with an azide and an alkyne
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 | 265 | 29771.6 | 1 | UniProt (P00918) Pfam (PF00194) | Homo sapiens (human) | Carbonic anhydrase II, CA-II, Carbonate dehydratase II, Carbonic anhydrase C, CAC |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | C, E (A) | 2-azido-N-(2-sulfanylethyl)ethanamide | non-polymer | 160.2 | 2 | Chemie (DA9) | |||
| 4 | D (A) | 3-ethynylbenzenesulfonamide | non-polymer | 181.2 | 1 | Chemie (DA4) | |||
| 5 | F (A) | water | water | 18.0 | 221 | Chemie (HOH) |
Sequence modifications
A: 1 - 260 (UniProt: P00918)
| PDB | External Database | Details |
|---|---|---|
| Gly -4 | - | expression tag |
| Ser -3 | - | expression tag |
| Pro -2 | - | expression tag |
| Glu -1 | - | expression tag |
| Phe 0 | - | expression tag |
| Cys 64 | His 64 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 29771.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 567.0 | |
| All* | Total formula weight | 30338.6 |






