1AEQ
VARIATION IN THE STRENGTH OF A CH TO O HYDROGEN BOND IN AN ARTIFICIAL PROTEIN CAVITY (2-ETHYLIMIDAZOLE)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | CYTOCHROME C PEROXIDASE | polymer | 294 | 33459.2 | 1 | UniProt (P00431) Pfam (PF00141) | Saccharomyces cerevisiae (baker's yeast) | CCP/W191G |
| 2 | B (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 3 | C (A) | 2-ETHYLIMIDAZOLE | non-polymer | 96.1 | 1 | Chemie (2EZ) | |||
| 4 | D (A) | water | water | 18.0 | 100 | Chemie (HOH) |
Sequence modifications
A: 4 - 294 (UniProt: P00431)
| PDB | External Database | Details |
|---|---|---|
| Ile 53 | Thr 120 | variant |
| Gly 152 | Asp 219 | variant |
| Gly 191 | Trp 258 | engineered mutation |
| Asp 272 | Asn 339 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 33459.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 712.6 | |
| All* | Total formula weight | 34171.9 |
