PDBe 3us4

X-ray diffraction
1.5Å resolution

Crystal structure of a SH2 domain of a megakaryocyte-associated tyrosine kinase (MATK) from Homo sapiens at 1.50 A resolution

Source organism: Homo sapiens
Entry authors: Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

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
Megakaryocyte-associated tyrosine-protein kinase Chain: A
Molecule details ›
Chain: A
Length: 98 amino acids
Theoretical weight: 11.4 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P42679 (Residues: 117-213; Coverage: 19%)
Gene names: CTK, HYL, MATK
Sequence domains: SH2 domain
Structure domains: SH2 domain

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: C2
Unit cell:
a: 63.84Å b: 57.56Å c: 28.75Å
α: 90° β: 116.2° γ: 90°
R R work R free
0.187 0.186 0.208
Expression system: Escherichia coli