PDBe 4mxo

X-ray diffraction
2.1Å resolution

human Src kinase bound to kinase inhibitor bosutinib

Source organism: Homo sapiens

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:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Proto-oncogene tyrosine-protein kinase Src Chains: A, B
Molecule details ›
Chains: A, B
Length: 286 amino acids
Theoretical weight: 32.71 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P12931 (Residues: 254-536; Coverage: 53%)
Gene names: SRC, SRC1
Sequence domains: Protein tyrosine kinase
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P1
Unit cell:
a: 41.87Å b: 63.185Å c: 73.665Å
α: 79.53° β: 89.31° γ: 90.05°
R R work R free
0.212 0.21 0.254
Expression system: Escherichia coli