PDBe 4i22

X-ray diffraction
1.71Å resolution

Structure of the monomeric (V948R)gefitinib/erlotinib resistant double mutant (L858R+T790M) EGFR kinase domain co-crystallized with gefitinib


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

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Epidermal growth factor receptor Chain: A
Molecule details ›
Chain: A
Length: 329 amino acids
Theoretical weight: 37.58 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: P00533 (Residues: 695-1022; Coverage: 28%)
Gene names: EGFR, ERBB, ERBB1, HER1
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: APS BEAMLINE 17-ID
Spacegroup: P2
Unit cell:
a: 76.519Å b: 35.486Å c: 77.781Å
α: 90° β: 112.89° γ: 90°
R R work R free
0.198 0.197 0.224
Expression system: Spodoptera frugiperda