1SZH

Crystal Structure of C. elegans HER-1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.227 
  • R-Value Work: 0.209 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of Caenorhabditis elegans HER-1 and characterization of the interaction between HER-1 and TRA-2A.

Hamaoka, B.Y.Dann III, C.E.Geisbrecht, B.V.Leahy, D.J.

(2004) Proc.Natl.Acad.Sci.USA 101: 1673-11678

  • DOI: 10.1073/pnas.0402559101

  • PubMed Abstract: 
  • HER-1 is a secreted protein that promotes male development in the nematode Caenorhabditis elegans. HER-1 inhibits the function of TRA-2A, a multipass integral membrane protein thought to serve as its receptor. We report here the 1.5-A crystal structu ...

    HER-1 is a secreted protein that promotes male development in the nematode Caenorhabditis elegans. HER-1 inhibits the function of TRA-2A, a multipass integral membrane protein thought to serve as its receptor. We report here the 1.5-A crystal structure of HER-1. The structure was solved by the multiwavelength anomalous diffraction method by using selenomethionyl-substituted HER-1 produced in Chinese hamster ovary cells. The HER-1 structure consists of two all-helical domains and is not closely homologous to any known structure. Sites of amino acid substitutions known to impair HER-1 function were mapped on the HER-1 structure and classified according to the likely mechanism by which they affect HER-1 activity. A subset of these and other amino acid substitutions on the HER-1 surface were assayed for their ability to disrupt interactions between HER-1 and TRA-2A-expressing cells, and a localized region on the HER-1 surface important for mediating this interaction was identified.


    Organizational Affiliation

    Department of Biophysics and Biophysical Chemistry and Howard Hughes Medical Institute, The Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Her-1 protein
A, B
161Caenorhabditis elegansMutation(s): 2 
Gene Names: her-1
Find proteins for P34704 (Caenorhabditis elegans)
Go to UniProtKB:  P34704
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ACT
Query on ACT

Download SDF File 
Download CCD File 
A, B
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.227 
  • R-Value Work: 0.209 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 52.970α = 90.00
b = 58.930β = 90.00
c = 99.000γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
CNSrefinement
DENZOdata reduction
SOLVEphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2004-08-10
    Type: Initial release
  • Version 1.1: 2008-04-30
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance