X-ray diffraction
2.67Å resolution

Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound Saracatinib (AZD0530)

Source organism: Homo sapiens
Entry authors: Williams EP, Galan Bartual S, Burgess-Brown N, von Delft F, Arrowsmith CH, Edwards AM, Bountra C, Bullock AN

Function and Biology Details

Reaction catalysed:
ATP + [receptor-protein] = ADP + [receptor-protein] phosphate
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Activin receptor type-1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 301 amino acids
Theoretical weight: 34.54 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: Q04771 (Residues: 201-499; Coverage: 61%)
Gene names: ACVR1, ACVRLK2
Sequence domains: Protein tyrosine and serine/threonine kinase

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04-1
Unit cell:
a: 84.62Å b: 101.69Å c: 180.126Å
α: 90° β: 95.262° γ: 90°
R R work R free
0.215 0.212 0.26
Expression system: Spodoptera frugiperda