MolNFT v1 · #30311 · protein
Rat nnos D597N/M336V double mutant with L-N(OMEGA)-nitroarginine-2,4- L-diaminobutyric amide bound
1ZZU · Nitric-oxide synthase, brain: “Rat nnos D597N/M336V double mutant with L-N(OMEGA)-nitroarginine-2,4- L-diaminobutyric amide bound”. X-ray diffraction, 5 ligands (MTL, HEM, H4B), 12 pockets (best druggability 0.85). MolNFT v1 #30311…
- PDB
- 1ZZU
- 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
- MTL, HEM, H4B, DP1, ZN
- Pockets
- 12 · best druggability 0.85
Structure
x-ray diffraction · 2 distinct chains · 42% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Nitric-oxide synthase, brain (EC 1.14.13.39) | protein | 407 | 42% helix, 14% strand | P29476 |
| B | Nitric-oxide synthase, brain (EC 1.14.13.39) | protein | 411 | 41% helix, 15% strand | P29476 |
Ligands and binding sites
- MTL · D-mannitol · ligand · 2 copies · chains A, B
- HEM · Protoporphyrin IX containing Fe · ligand · 2 copies · chains A, B
- H4B · 5,6,7,8-tetrahydrobiopterin · ligand · 2 copies · chains A, B
- DP1 · L-n(omega)-nitroarginine-2,4-L-diaminobutyric amide · 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
12 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 982 | 0.85 | 0.86 | 82 | ACT, HEM, H4B, DP1, GOL |
| 2 | 1192 | 0.84 | 0.85 | 92 | ACT, HEM, H4B, DP1, GOL |
| 3 | 130 | 0.45 | 0.77 | 26 | empty |
| 4 | 51 | 0.43 | 0.84 | 14 | empty |
| 5 | 106 | 0.43 | 0.78 | 27 | empty |
Interfaces
1 interface between chains.
- A–B · 2718 Ų buried · 47 hydrogen bonds · protein-protein
Compared structures
- 1ZZU · Rat nNOS D597N/M336V double mutant with L-N(omega)-Nitroarginine-2,4-L-Diaminobutyric… · the same entry in another collection · chain A against A, TM-score 1.00
- P29476 · AlphaFold monomer V2.0 prediction for nitric oxide synthase, brain (P29476) · a predicted model of the same protein · chain B against A, TM-score 0.99
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 1ZZU · PDBe 1ZZU · UniProt P29476
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