MolNFT v1 · #160538 · protein
Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 7-(3-(aminomethyl)-4-ethoxyphenyl)-4- methylquinolin-2-amine
6PNF · Nitric oxide synthase, brain: “Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with…”. X-ray diffraction, 4 ligands (HEM, H4B, OSJ), 11 pockets (best druggability 0.88). MolNFT v1 #160538…
- PDB
- 6PNF
- Type
- protein
- Length
- 822 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Nitric oxide synthase, brain
- EC
- 1.14.13.39
- UniProt
- P29475
- Ligands
- HEM, H4B, OSJ, ZN
- Pockets
- 11 · best druggability 0.88
Structure
x-ray diffraction · 2 distinct chains · 40% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 414 | 39% helix, 15% strand | P29475 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 408 | 41% helix, 16% strand | P29475 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 2 copies · chains A, B
- H4B · 5,6,7,8-tetrahydrobiopterin · ligand · 2 copies · chains A, B
- OSJ · 7-[3-(aminomethyl)-4-ethoxyphenyl]-4-methylquinolin-2-amine · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- GOL · Glycerol · additive · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
11 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 909 | 0.88 | 0.90 | 126 | HEM, H4B, OSJ |
| 2 | 84 | 0.64 | 0.91 | 18 | H4B |
| 3 | 128 | 0.43 | 0.76 | 25 | empty |
| 4 | 133 | 0.41 | 0.75 | 19 | empty |
| 5 | 89 | 0.39 | 0.77 | 17 | empty |
Interfaces
1 interface between chains.
- A–B · 2770 Ų buried · 42 hydrogen bonds · protein-protein
Compared structures
- 6PNF · Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in… · 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 P29475
- Elsewhere: RCSB PDB 6PNF · PDBe 6PNF · UniProt P29475
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