Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | salivary nitrophorin | polymer | 282 | 31746.5 | 1 | UniProt (O76745) | Cimex lectularius (bed bug) | |
| 2 | B, C (A) | NITRIC OXIDE | non-polymer | 30.0 | 2 | Chemie (NO) | |||
| 3 | D (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 4 | E (A) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 5 | F (A) | water | water | 18.0 | 237 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 31746.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 798.6 | |
| All* | Total formula weight | 32545.1 |
