4IAM
Crystal Structure of the C139A mutant of nostoc H-NOX domain
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) | Alr2278 protein | polymer | 182 | 20358.8 | 2 | UniProt (Q8YUQ7) Pfam (PF07700) | Nostoc sp. | |
| 2 | C, E (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | D, F (A, B) | MALONATE ION | non-polymer | 102.0 | 2 | Chemie (MLI) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 306 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 182 (UniProt: Q8YUQ7)
| PDB | External Database | Details |
|---|---|---|
| Ala 139 | Cys 139 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 40717.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1437.1 | |
| All* | Total formula weight | 42154.7 |
