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Structure of neuronal nitric oxide synthase D597N/M336V/Y706A mutant heme domain complexed with N1-[(3' R,4' R)-4'-((6"-amino-4"- methylpyridin-2"-YL)METHYL)PYRROLIDIN-3'-yl]-N2-(3'-fluorophenethyl) ethane-1,2-diamine tetrahydrochloride
Analyse Structure of neuronal nitric oxide synthase D597N/M336V/Y706A mutant heme… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3JX6
- Type
- protein
- Length
- 818 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
- P29476
- Ligands
- HEM, H4B, JI5, ZN
- Pockets
- 12 · best druggability 0.84
Structure
x-ray diffraction · 2 distinct chains · 41% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 407 | 41% helix, 15% strand | P29476 |
| B | Nitric oxide synthase, brain (EC 1.14.13.39) | protein | 411 | 41% helix, 15% 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
- JI5 · N-{(3R,4R)-4-[(6-amino-4-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}-N'-[2-(3-fluorophenyl)ethyl]ethane-1,2-diamine · 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
12 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 503 | 0.84 | 0.91 | 98 | HEM, H4B, ACT |
| 2 | 179 | 0.72 | 0.89 | 32 | HEM |
| 3 | 61 | 0.58 | 0.89 | 11 | H4B |
| 4 | 120 | 0.44 | 0.77 | 24 | empty |
| 5 | 121 | 0.40 | 0.75 | 15 | empty |
Interfaces
1 interface between chains.
- A–B · 2757 Ų buried · 39 hydrogen bonds · protein-protein
Compared structures
- 3JX6 · Structure of neuronal nitric oxide synthase D597N/M336V/Y706A mutant heme domain… · the same entry in another collection · chain B against B, 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 3JX6 · PDBe 3JX6 · UniProt P29476
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