Research workbench
Structure of endothelial nitric oxide synthase N368D single mutant heme domain complexed with 4-(2-(5-(2-(6-amino-4-methylpyridin-2-yl) ETHYL)PYRIDIN-3-YL)ETHYL)-6-methylpyridin-2-amine
Analyse Structure of endothelial nitric oxide synthase N368D single mutant heme domain… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3N6G
- Type
- protein
- Length
- 809 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Nitric oxide synthase
- EC
- 1.14.13.39
- UniProt
- P29476
- Ligands
- HEM, XFK, CAD, H4B, ZN
- Pockets
- 10 · best druggability 0.84
Structure
x-ray diffraction · 2 distinct chains · 41% helix, 16% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric oxide synthase (EC 1.14.13.39) | protein | 405 | 41% helix, 16% strand | P29476 |
| B | Nitric oxide synthase (EC 1.14.13.39) | protein | 404 | 41% helix, 15% strand | P29476 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 2 copies · chains A, B
- XFK · 6-(2-{5-[2-(2-amino-6-methylpyridin-4-yl)ethyl]pyridin-3-yl}ethyl)-4-methylpyridin-2-amine · ligand · 2 copies · chains A, B
- CAD · Cacodylic acid · ligand · 2 copies · chains A, B
- H4B · 5,6,7,8-tetrahydrobiopterin · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- ACT · Acetate ion · additive · 2 copies · chains A, B
- GOL · Glycerol · additive · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
10 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 981 | 0.84 | 0.85 | 86 | HEM, ACT, GOL, XFK, H4B |
| 2 | 1161 | 0.83 | 0.84 | 82 | HEM, ACT, GOL, XFK, H4B |
| 3 | 87 | 0.71 | 0.95 | 21 | empty |
| 4 | 96 | 0.55 | 0.85 | 19 | empty |
| 5 | 89 | 0.53 | 0.84 | 19 | empty |
Interfaces
1 interface between chains.
- A–B · 2906 Ų buried · 37 hydrogen bonds · protein-protein
Compared structures
- 3N6G · Structure of endothelial nitric oxide synthase N368D single mutant heme domain complexed… · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P29476
- Elsewhere: RCSB PDB 3N6G · PDBe 3N6G · UniProt P29476
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