MolNFT v1 · #58439 · protein
Structure of neuronal nos heme domain in complex with a inhibitor (+- )-N1-{cis-4'-[(6"-amino-4"-methylpyridin-2"-YL)METHYL]PYRROLIDIN-3'- yl}-N2-(4'-CHLOROBENZYL)ETHANE-1,2-diamine
3B3O · Nitric oxide synthase, brain: “Structure of neuronal nos heme domain in complex with a inhibitor (+…”. X-ray diffraction, 4 ligands (HEM, H4B, JI3), 10 pockets (best druggability 0.86). MolNFT v1 #58439 on GenesisL1: 3D structure…
- PDB
- 3B3O
- Type
- protein
- Length
- 820 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, JI3, ZN
- Pockets
- 10 · best druggability 0.86
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 | 409 | 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
- JI3 · N-{(3S,4S)-4-[(6-amino-4-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}-N'-(4-chlorobenzyl)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
10 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 998 | 0.86 | 0.86 | 92 | ACT, HEM, H4B, JI3 |
| 2 | 1187 | 0.83 | 0.84 | 91 | ACT, HEM, H4B, JI3 |
| 3 | 54 | 0.42 | 0.83 | 14 | empty |
| 4 | 92 | 0.42 | 0.78 | 17 | empty |
| 5 | 72 | 0.41 | 0.80 | 15 | empty |
Interfaces
1 interface between chains.
- A–B · 2719 Ų buried · 44 hydrogen bonds · protein-protein
Compared structures
- 3B3O · Structure of neuronal nos heme domain in complex with a inhibitor… · 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 3B3O · PDBe 3B3O · UniProt P29476
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