Research workbench
Structure of rat nnos heme domain (BH4 bound) complexed with co
Analyse Structure of rat nnos heme domain (BH4 bound) complexed with co in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 2G6M
- 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, ARG, ZN, CMO
- 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 | 42% helix, 14% strand | P29476 |
| B | Nitric-oxide synthase, brain (EC 1.14.13.39) | protein | 411 | 41% 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
- ARG · Arginine · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · chains A, B
- CMO · Carbon monoxide · ion · 2 copies · 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, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1197 | 0.84 | 0.85 | 100 | ACT, HEM, H4B, ARG, CMO |
| 2 | 1133 | 0.84 | 0.84 | 89 | ACT, HEM, H4B, ARG, CMO |
| 3 | 63 | 0.38 | 0.79 | 16 | empty |
| 4 | 69 | 0.36 | 0.77 | 16 | empty |
| 5 | 87 | 0.35 | 0.75 | 18 | empty |
Interfaces
1 interface between chains.
- A–B · 2756 Ų buried · 45 hydrogen bonds · protein-protein
Compared structures
- 2G6M · Structure of rat nNOS heme domain (BH4 bound) complexed with CO · the same entry in another collection · chain B against B, 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 2G6M · PDBe 2G6M · UniProt P29476
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