PDBe 5zj6

X-ray diffraction
1.7Å resolution

Crystal structure of HCK kinase complexed with a pyrrolo-pyrimidine inhibitor 7-[trans-4-(4-methylpiperazin-1-yl)cyclohexyl]-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine


Function and Biology Details

Reaction catalysed:
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Tyrosine-protein kinase HCK Chains: A, B
Molecule details ›
Chains: A, B
Length: 287 amino acids
Theoretical weight: 32.6 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: P08631 (Residues: 242-521; Coverage: 53%)
Gene name: HCK
Sequence domains: Protein tyrosine kinase

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: P1
Unit cell:
a: 42.81Å b: 48.02Å c: 78.01Å
α: 87.59° β: 83.09° γ: 63.59°
R R work R free
0.208 0.207 0.24
Expression system: Spodoptera frugiperda