4CNR
Surface residue engineering of bovine carbonic anhydrase to an extreme halophilic enzyme for potential application in postcombustion CO2 capture
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | CARBONIC ANHYDRASE 2 | polymer | 262 | 29417.8 | 4 | UniProt (P00921) Pfam (PF00194) | BOS TAURUS (CATTLE) | CARBONATE DEHYDRATASE II, CARBONIC ANHYDRASE II, CA-II, CA II |
| 2 | E, F, G, H (A, B, C, D) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 3 | I, J, K, L (A, B, C, D) | water | water | 18.0 | 297 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 260 (UniProt: P00921)
| PDB | External Database | Details |
|---|---|---|
| Met -1 | - | expression tag |
| Gly 0 | - | expression tag |
| Asp 8 | Gly 8 | engineered mutation |
| Asp 36 | Lys 36 | engineered mutation |
| Asp 50 | Val 50 | engineered mutation |
| Asp 62 | Asn 62 | engineered mutation |
| Glu 136 | Gln 136 | engineered mutation |
| Glu 238 | Leu 238 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 117671.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 261.6 | |
| All* | Total formula weight | 117933.0 |
