MolNFT v1 · #145518 · protein
Crystal structure of the human vaccinia-related kinase bound to a N- propynyl-N-ethyl-dihydropteridine inhibitor
6CQH · SERINE/THREONINE-protein kinase VRK1: “Crystal structure of the human vaccinia-related kinase bound to a N- propynyl-N-ethyl-dihydropteridine…”. X-ray diffraction, 3 ligands (F8Y, SO4, CL), 14 pockets (best druggability 0.73).…
- PDB
- 6CQH
- Type
- protein
- Length
- 1,255 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- SERINE/THREONINE-protein kinase VRK1
- EC
- 2.7.11.1
- UniProt
- Q99986
- Ligands
- F8Y, SO4, CL
- Pockets
- 14 · best druggability 0.73
Structure
x-ray diffraction · 4 distinct chains · 40% helix, 18% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | SERINE/THREONINE-protein kinase VRK1 (EC 2.7.11.1) | protein | 316 | 39% helix, 17% strand | Q99986 |
| B | SERINE/THREONINE-protein kinase VRK1 (EC 2.7.11.1) | protein | 316 | 41% helix, 19% strand | Q99986 |
| C | SERINE/THREONINE-protein kinase VRK1 (EC 2.7.11.1) | protein | 308 | 42% helix, 19% strand | Q99986 |
| D | SERINE/THREONINE-protein kinase VRK1 (EC 2.7.11.1) | protein | 315 | 40% helix, 18% strand | Q99986 |
Ligands and binding sites
- F8Y · (7R)-2-[(3,5-difluoro-4-hydroxyphenyl)amino]-8-ethyl-7-methyl-5-(prop-2-yn-1-yl)-7,8-dihydropteridin-6(5H)-one · ligand · 3 copies · chains A, B, D
- SO4 · Sulfate ion · ion · 10 copies · chains A, B, C, D
- CL · Chloride ion · ion · 4 copies · chains B, D
- ACT · Acetate ion · additive · 2 copies · chains A, D
- GOL · Glycerol · additive · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
14 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 890 | 0.73 | 0.77 | 83 | GOL, SO4 |
| 2 | 711 | 0.71 | 0.78 | 66 | SO4 |
| 3 | 296 | 0.63 | 0.80 | 35 | F8Y |
| 4 | 241 | 0.57 | 0.78 | 30 | F8Y |
| 5 | 55 | 0.56 | 0.90 | 17 | empty |
Interfaces
2 interfaces between chains.
- C–D · 196 Ų buried · 0 hydrogen bonds · protein-protein
- A–B · 189 Ų buried · 2 hydrogen bonds · protein-protein
Compared structures
- 6CQH · Crystal Structure of the Human vaccinia-related kinase bound to a… · 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 Q99986
- Elsewhere: RCSB PDB 6CQH · PDBe 6CQH · UniProt Q99986
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