1CCL
PROBING THE STRENGTH AND CHARACTER OF AN ASP-HIS-X HYDROGEN BOND BY INTRODUCING BURIED CHARGES
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 | 291 | 33207.9 | 1 | UniProt (P00431) Pfam (PF00141)  | Saccharomyces cerevisiae (baker's yeast) | CCP/F202K | 
| 2 | B (A)  | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 3 | C (A)  | water | water | 18.0 | 107 | Chemie (HOH) | 
Sequence modifications
A: 4 - 294 (UniProt: P00431)
| PDB | External Database | Details | 
|---|---|---|
| Ile 53 | Thr 120 | engineered mutation | 
| Gly 152 | Asp 219 | engineered mutation | 
| Lys 202 | Phe 269 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 33207.9 | |
| Non-Polymers* | Number of molecules | 1 | 
| Total formula weight | 616.5 | |
| All* | Total formula weight | 33824.4 | 






