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Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 7-(3-(2-Aminoethyl)phenyl)-4-methylquinolin-2-amine
Analyse Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6PND
- Type
- protein
- Length
- 823 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 2.4
- Source
- Homo sapiens
- Molecule
- Nitric oxide synthase, brain
- EC
- 1.14.13.39
- UniProt
- P29475
- Ligands
- HEM, H4B, OT4, ZN
- Pockets
- 10 · best druggability 0.83
Structure
x-ray diffraction · resolution 2.4 · 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 | 414 | 38% helix, 15% strand | P29475 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 409 | 39% 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
- OT4 · 7-[3-(2-aminoethyl)phenyl]-4-methylquinolin-2-amine · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · 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, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1166 | 0.83 | 0.84 | 83 | HEM, H4B, OT4 |
| 2 | 1193 | 0.83 | 0.84 | 87 | HEM, H4B, OT4 |
| 3 | 50 | 0.68 | 0.97 | 21 | empty |
| 4 | 377 | 0.59 | 0.76 | 52 | empty |
| 5 | 119 | 0.42 | 0.76 | 26 | empty |
Interfaces
1 interface between chains.
- A–B · 2764 Ų buried · 43 hydrogen bonds · protein-protein
Compared structures
- 6PND · 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 6PND · PDBe 6PND · UniProt P29475
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