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Structure of rat neuronal nitric oxide synthase heme domain in complex with 2-(6-Amino-4-methylpyridin-2-yl)-1-(3-(2-(6-amino-4- methylpyridin-2-yl)ethyl )phenyl)ethan-1-ol
Analyse Structure of rat neuronal nitric oxide synthase heme domain in complex with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4CTR
- Type
- protein
- Length
- 818 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 2.2
- Source
- RATTUS NORVEGICUS
- Molecule
- Nitric oxide synthase, brain
- EC
- 1.14.13.39
- UniProt
- P29476
- Ligands
- HEM, H4B, S20, ZN
- Pockets
- 10 · best druggability 0.85
Structure
x-ray diffraction · resolution 2.2 · 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 | 407 | 40% helix, 15% strand | P29476 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 411 | 39% helix, 16% strand | P29476 |
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
- S20 · (1S)-2-(6-amino-4-methylpyridin-2-yl)-1-{3-[2-(6-amino-4-methylpyridin-2-yl)ethyl]phenyl}ethanol · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- ACT · Acetate ion · 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, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1009 | 0.85 | 0.86 | 94 | HEM, H4B, S20, ACT |
| 2 | 1195 | 0.84 | 0.84 | 95 | HEM, H4B, S20, ACT |
| 3 | 212 | 0.52 | 0.77 | 38 | empty |
| 4 | 144 | 0.45 | 0.76 | 24 | empty |
| 5 | 84 | 0.37 | 0.76 | 15 | empty |
Interfaces
1 interface between chains.
- A–B · 2742 Ų buried · 42 hydrogen bonds · protein-protein
Compared structures
- 4CTR · Structure of rat neuronal nitric oxide synthase heme domain in complex with… · 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 4CTR · PDBe 4CTR · UniProt P29476
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