2IQF
Crystal structure of Helicobacter pylori catalase compound I
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Catalase | polymer | 505 | 58794.0 | 2 | UniProt (P77872) Pfam (PF00199) Pfam (PF06628) | Helicobacter pylori | |
| 2 | C (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 3 | D, F (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 4 | E, G (A, B) | OXYGEN ATOM | non-polymer | 16.0 | 2 | Chemie (O) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 884 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 505 (UniProt: P77872)
| PDB | External Database | Details |
|---|---|---|
| Mho 162 | Met 162 | modified residue |
| Mho 181 | Met 181 | modified residue |
| Ile 234 | Val 234 | conflict |
| His 237 | Tyr 237 | conflict |
| Asp 248 | Asn 248 | conflict |
| Tyr 255 | Phe 255 | conflict |
| Thr 286 | Leu 286 | conflict |
| Mho 292 | Met 292 | modified residue |
| Thr 316 | Ser 316 | conflict |
| Mho 372 | Met 372 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 117588.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1324.0 | |
| All* | Total formula weight | 118912.1 |
