MolNFT v1 · #160533 · protein
Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 7-(4-(2-AMINOETHYL)PHENYL)-4- methylquinolin-2-amine
6PNA · 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, M16), 9 pockets (best druggability 0.88). MolNFT v1 #160533…
- PDB
- 6PNA
- Type
- protein
- Length
- 825 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, M16, ZN
- Pockets
- 9 · best druggability 0.88
Structure
x-ray diffraction · 2 distinct chains · 39% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 415 | 39% helix, 15% strand | P29475 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 410 | 39% helix, 15% 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
- M16 · 7-[4-(2-aminoethyl)phenyl]-4-methylquinolin-2-amine · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- GOL · Glycerol · additive · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
9 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 920 | 0.88 | 0.90 | 133 | HEM, H4B, M16 |
| 2 | 69 | 0.62 | 0.91 | 14 | H4B |
| 3 | 222 | 0.53 | 0.77 | 37 | empty |
| 4 | 137 | 0.47 | 0.78 | 23 | empty |
| 5 | 153 | 0.46 | 0.76 | 25 | empty |
Interfaces
1 interface between chains.
- A–B · 2851 Ų buried · 45 hydrogen bonds · protein-protein
Compared structures
- 6PNA · 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 6PNA · PDBe 6PNA · UniProt P29475
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