Research workbench
Structure of bovine endothelial nitric oxide synthase heme domain in complex with (R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl) ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine
Analyse Structure of bovine endothelial nitric oxide synthase heme domain in complex… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4CU0
- Type
- protein
- Length
- 809 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 2.08
- Source
- BOS TAURUS
- Molecule
- Nitric oxide synthase, endothelial
- EC
- 1.14.13.39
- UniProt
- P29473
- Ligands
- HEM, H4B, S71, ZN
- Pockets
- 10 · best druggability 0.84
Structure
x-ray diffraction · resolution 2.08 · 2 distinct chains · 40% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric oxide synthase, endothelial (EC 1.14.13.39) | protein | 405 | 40% helix, 15% strand | P29473 |
| B | Nitric oxide synthase, endothelial (EC 1.14.13.39) | protein | 404 | 40% helix, 15% strand | P29473 |
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
- S71 · (R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- ACT · Acetate ion · additive · 2 copies · chains A, B
- GOL · Glycerol · 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, 5 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 969 | 0.84 | 0.85 | 96 | HEM, H4B, S71, ACT, GOL |
| 2 | 1022 | 0.84 | 0.85 | 93 | HEM, H4B, S71, ACT, GOL |
| 3 | 94 | 0.73 | 0.95 | 22 | empty |
| 4 | 92 | 0.54 | 0.85 | 19 | empty |
| 5 | 93 | 0.54 | 0.84 | 18 | empty |
Interfaces
1 interface between chains.
- A–B · 2934 Ų buried · 38 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 2 modified (artifact).
Compared structures
- 4CU0 · Structure of bovine endothelial 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 P29473
- Elsewhere: RCSB PDB 4CU0 · PDBe 4CU0 · UniProt P29473
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