MolNFT v1 · #188746 · protein
Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with (6-(3-(4,4-difluoropiperidin-1-yl) propyl)-4-methylpyridin-2-amine)
7UAM · 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, M5L), 20 pockets (best druggability 0.89). MolNFT v1 #188746…
- PDB
- 7UAM
- Type
- protein
- Length
- 1,663 residues
- Chains
- 4
- 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, M5L, ZN
- Pockets
- 20 · best druggability 0.89
Structure
x-ray diffraction · 3 distinct chains · 40% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, D | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 418 | 40% helix, 15% strand | P29475 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 414 | 40% helix, 15% strand | P29475 |
| C | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 413 | 40% helix, 15% strand | P29475 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains A, B, C, D
- H4B · 5,6,7,8-tetrahydrobiopterin · ligand · 4 copies · chains A, B, C, D
- M5L · 6-[3-(4,4-difluoropiperidin-1-yl)propyl]-4-methylpyridin-2-amine · ligand · 4 copies · chains A, B, C, D
- ZN · Zinc ion · metal · 2 copies · chains A, B, C, D
- GOL · Glycerol · additive · 6 copies · chains A, D, B, C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1039 | 0.89 | 0.90 | 135 | HEM, H4B, M5L |
| 2 | 1120 | 0.85 | 0.86 | 105 | HEM, H4B, M5L |
| 3 | 949 | 0.85 | 0.87 | 95 | HEM, H4B, M5L |
| 4 | 364 | 0.67 | 0.81 | 46 | GOL |
| 5 | 64 | 0.54 | 0.87 | 15 | empty |
Interfaces
4 interfaces between chains.
- C–D · 2778 Ų buried · 38 hydrogen bonds · protein-protein
- A–B · 2739 Ų buried · 39 hydrogen bonds · protein-protein
- A–D · 883 Ų buried · 10 hydrogen bonds · protein-protein
- B–D · 120 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 7UAM · 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 7UAM · PDBe 7UAM · UniProt P29475
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