1HRE

SOLUTION STRUCTURE OF THE EPIDERMAL GROWTH FACTOR-LIKE DOMAIN OF HEREGULIN-ALPHA, A LIGAND FOR P180ERB4


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Submitted: 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Solution structure of the epidermal growth factor-like domain of heregulin-alpha, a ligand for p180erbB-4.

Nagata, K.Kohda, D.Hatanaka, H.Ichikawa, S.Matsuda, S.Yamamoto, T.Suzuki, A.Inagaki, F.

(1994) EMBO J. 13: 3517-3523

  • Primary Citation of Related Structures:  1HRF

  • PubMed Abstract: 
  • p185erbB-2 and p180erbB-4 are epidermal growth factor (EGF) receptor-like tyrosine kinases, whose co-expression is observed in many breast carcinomas. Heregulins (HRGs), which contain an immunoglobulin unit and an EGF-like domain, bind to p180erbB-4 ...

    p185erbB-2 and p180erbB-4 are epidermal growth factor (EGF) receptor-like tyrosine kinases, whose co-expression is observed in many breast carcinomas. Heregulins (HRGs), which contain an immunoglobulin unit and an EGF-like domain, bind to p180erbB-4 and activate p180erbB-4 and p185erbB-2 through transphosphorylation or receptor heterodimerization. The EGF-like domain is sufficient for the activation. Despite the sequence similarity, no cross activity is seen between the p180erbB-4 ligands (HRGs) and the p170erbB-1 ligands [EGF and transforming growth factor (TGF)-alpha]. To investigate the structural basis of receptor specificity, we have determined the solution structure of the EGF-like domain of HRG-alpha by two-dimensional 1H nuclear magnetic resonance spectroscopy and simulated annealing calculations. Though its main-chain fold is similar to those of EGF and TGF-alpha, distinctive structural features are observed on the molecular surface including an ionic cluster and hydrophobic patches, which afford HRG-alpha the specific affinity for p180erbB-4. The structure should provide a basis for the structure-activity relationship of HRGs and for the design of drugs which prevent progression of breast cancer.


    Organizational Affiliation

    Department of Molecular Physiology, Tokyo Metropolitan Institute of Medical Science, Japan.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HEREGULIN ALPHA
A
67Homo sapiensGene Names: NRG1 (GGF, HGL, HRGA, NDF, SMDF)
Find proteins for Q02297 (Homo sapiens)
Go to Gene View: NRG1
Go to UniProtKB:  Q02297
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Submitted: 
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORphasing
X-PLORrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1994-10-15
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2017-11-29
    Type: Derived calculations, Other