1K2R
Structure of rat brain nNOS heme domain complexed with NG-nitro-L-arginine
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) | nitric-oxide synthase | polymer | 419 | 48555.2 | 2 | UniProt (P29476) Pfam (PF02898) | Rattus norvegicus (Norway rat) | |
| 2 | C, G (A, B) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 3 | D, I (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 4 | E, J (A, B) | 5,6,7,8-TETRAHYDROBIOPTERIN | non-polymer | 241.2 | 2 | Chemie (H4B) | |||
| 5 | F, K (A, B) | N-OMEGA-NITRO-L-ARGININE | non-polymer | 219.2 | 2 | Chemie (NRG) | |||
| 6 | H (B) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 7 | L, M (A, B) | water | water | 18.0 | 393 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 97110.4 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 2337.4 | |
| All* | Total formula weight | 99447.8 |
