3N6B
Structure of endothelial nitric oxide synthase H373S single mutant heme domain complexed with 6,6'-(2,2'-(pyridine-3,5-diyl)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)
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 | 444 | 49659.0 | 2 | UniProt (P29476) Pfam (PF02898) | Bos taurus (cow) | Endothelial NOS, eNOS, EC-NOS, NOS type III, NOSIII, Constitutive NOS, cNOS |
| 2 | C, H (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | D, I (A, B) | 5,6,7,8-TETRAHYDROBIOPTERIN | non-polymer | 241.2 | 2 | Chemie (H4B) | |||
| 4 | E, J (A, B) | CACODYLIC ACID | non-polymer | 138.0 | 2 | Chemie (CAD) | |||
| 5 | F, K (A, B) | 6,6'-(pyridine-3,5-diyldiethane-2,1-diyl)bis(4-methylpyridin-2-amine) | non-polymer | 347.5 | 2 | Chemie (XFJ) | |||
| 6 | G (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 7 | L, M (A, B) | water | water | 18.0 | 10 | Chemie (HOH) |
Sequence modifications
A, B: 39 - 482 (UniProt: P29476)
| PDB | External Database | Details |
|---|---|---|
| Arg 100 | Cys 100 | SEE REMARK 999 |
| Ser 373 | His 373 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 99318.1 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 2751.8 | |
| All* | Total formula weight | 102069.9 |
