Research workbench
Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound saracatinib (AZD0530)
Analyse Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6ZGC
- Type
- protein
- Length
- 1,170 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Activin receptor type I
- EC
- 2.7.11.30
- UniProt
- Q04771
- Ligands
- H8H, K, PO4
- Pockets
- 17 · best druggability 0.79
Structure
x-ray diffraction · 4 distinct chains · 38% helix, 21% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Activin receptor type I (EC 2.7.11.30) | protein | 292 | 38% helix, 22% strand | Q04771 |
| B | Activin receptor type I (EC 2.7.11.30) | protein | 291 | 39% helix, 21% strand | Q04771 |
| C | Activin receptor type I (EC 2.7.11.30) | protein | 296 | 38% helix, 21% strand | Q04771 |
| D | Activin receptor type I (EC 2.7.11.30) | protein | 291 | 37% helix, 20% strand | Q04771 |
Ligands and binding sites
- H8H · N-(5-chloro-1,3-benzodioxol-4-yl)-7-[2-(4-methylpiperazin-1-yl)ethoxy]-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-amine · ligand · 4 copies · chains A, B, D, C
- K · Potassium ion · metal · 4 copies · chains C
- PO4 · Phosphate ion · ion · 16 copies · chains A, B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
17 pockets found on a 1 Å grid, 10 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1038 | 0.79 | 0.81 | 107 | empty |
| 2 | 412 | 0.71 | 0.82 | 39 | H8H |
| 3 | 636 | 0.70 | 0.78 | 64 | H8H |
| 4 | 367 | 0.69 | 0.82 | 40 | H8H |
| 5 | 345 | 0.67 | 0.81 | 35 | H8H |
Interfaces
6 interfaces between chains.
- A–C · 606 Ų buried · 5 hydrogen bonds · protein-protein
- A–B · 361 Ų buried · 6 hydrogen bonds · protein-protein
- B–C · 161 Ų buried · 0 hydrogen bonds · protein-protein
- A–D · 126 Ų buried · 0 hydrogen bonds · protein-protein
- B–D · 43 Ų buried · 0 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 1 disulfide (disulfide).
Compared structures
- 6ZGC · Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound Saracatinib… · the same entry in another collection · chain D against D, TM-score 1.00
- Q04771 · AlphaFold monomer V2.0 prediction for activin receptor type-1 (Q04771) · a predicted model of the same protein · chain B against A, TM-score 0.97
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 Q04771
- Elsewhere: RCSB PDB 6ZGC · PDBe 6ZGC · UniProt Q04771
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