X-ray diffraction
2.4Å resolution

Crystal structure of ErbB4/HER4 extracellular domain

Source organism: Homo sapiens
Entry authors: Bouyain S, Longo PA, Li S, Ferguson KM, Leahy DJ

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
Receptor tyrosine-protein kinase erbB-4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 617 amino acids
Theoretical weight: 69.03 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
  • Canonical: Q15303 (Residues: 26-641; Coverage: 48%)
Gene names: ERBB4, HER4
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: C2221
Unit cell:
a: 76.96Å b: 203.09Å c: 261.32Å
α: 90° β: 90° γ: 90°
R R work R free
0.237 0.235 0.265
Expression system: Cricetulus griseus