1HCA
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 | CARBONIC ANHYDRASE II | polymer | 260 | 29289.1 | 1 | UniProt (P00918) Pfam (PF00194) In PDB | Homo sapiens (human) | |
2 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
3 | A | MERCURY (II) ION | non-polymer | 200.6 | 1 | Chemie (HG) | |||
4 | water | water | 18.0 | 68 | 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 |