1CA3
UNEXPECTED PH-DEPENDENT CONFORMATION OF HIS-64, THE PROTON SHUTTLE OF CARBONIC ANHYDRASE II.
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 II | polymer | 260 | 29289.1 | 1 | UniProt (P00918) Pfam (PF00194) | Homo sapiens (human) | |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | C (A) | MERCURY (II) ION | non-polymer | 200.6 | 1 | Chemie (HG) | |||
| 4 | D (A) | water | water | 18.0 | 112 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 29289.1 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 266.0 | |
| All* | Total formula weight | 29555.1 |
