PDBe 4pp9

X-ray diffraction
2.58Å resolution

ITK kinase domain with compound 1 (N-[1-(3-CYANOBENZYL)-1H-PYRAZOL-4-YL]-2H-INDAZOLE-3-CARBOXAMIDE)


Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Tyrosine-protein kinase ITK/TSK Chains: A, B
Molecule details ›
Chains: A, B
Length: 266 amino acids
Theoretical weight: 30.21 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: Q08881 (Residues: 357-620; Coverage: 43%)
Gene names: EMT, ITK, LYK
Sequence domains: Protein tyrosine kinase
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P21
Unit cell:
a: 55.039Å b: 104.09Å c: 57.313Å
α: 90° β: 110.21° γ: 90°
R R work R free
0.226 0.223 0.284
Expression system: Spodoptera frugiperda