8u4l

Electron Microscopy
3.31Å resolution

Structure of the HER2/HER4/NRG1b Heterodimer Extracellular Domain

Released:
Source organism: Homo sapiens
Entry authors: Trenker R, Diwanji D, Bingham T, Verba KA, Jura N
Related structures: EMD-41886

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

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-241247 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (8 distinct):
Receptor tyrosine-protein kinase erbB-4 Chain: A
Molecule details ›
Chain: A
Length: 609 amino acids
Theoretical weight: 67.91 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q15303 (Residues: 26-634; Coverage: 48%)
Gene names: ERBB4, HER4
Sequence domains:
Receptor tyrosine-protein kinase erbB-2 Chain: B
Molecule details ›
Chain: B
Length: 606 amino acids
Theoretical weight: 66.89 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P04626 (Residues: 24-629; Coverage: 49%)
Gene names: ERBB2, HER2, MLN19, NEU, NGL
Sequence domains:
Neuregulin-1 Chain: C
Molecule details ›
Chain: C
Length: 52 amino acids
Theoretical weight: 5.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q02297 (Residues: 177-225; Coverage: 8%)
Gene names: GGF, HGL, HRGA, NDF, NRG1, SMDF
Sequence domains: EGF-like domain

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.31Å
Relevant EMDB volumes: EMD-41886
Expression systems:
  • Homo sapiens
  • Escherichia coli BL21(DE3)