1GQ4 Signaling Protein date Nov 19, 2001
title Structural Determinants Of The Nherf Interaction With Beta2a Pdgfr
authors S.Karthikeyan, T.Leung, J.A.A.Ladias
compound source
Molecule: Ezrin-Radixin-Moesin Binding Phosphoprotein-50
Chain: A
Fragment: Pdz1 Domain, Residues 11-94
Synonym: Na+H+ Exchanger Regulatory Factor, Isoform 3 Regu Factor 1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pgex-2t
symmetry Space Group: P 31 2 1
R_factor 0.171 R_Free 0.186
length a length b length c angle alpha angle beta angle gamma
50.373 50.373 66.631 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.90 Å
ligand CL enzyme
related structures by homologous chain: 1GQ5, 1I92

Primary referenceStructural determinants of the Na+/H+ exchanger regulatory factor interaction with the beta 2 adrenergic and platelet-derived growth factor receptors., Karthikeyan S, Leung T, Ladias JA, J Biol Chem 2002 May 24;277(21):18973-8. PMID:11882663
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (21 Kb) [Save to disk]
  • Biological Unit Coordinates (1gq4.pdb1.gz) 17 Kb
  • LPC: Ligand-Protein Contacts for 1GQ4
  • CSU: Contacts of Structural Units for 1GQ4
  • Likely Quarternary Molecular Structure file(s) for 1GQ4
  • Structure Factors (56 Kb)
  • Retrieve 1GQ4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GQ4 from S2C, [Save to disk]
  • Re-refined 1gq4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1GQ4 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1GQ4
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1GQ4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gq4a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1gq4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1gq4] [1gq4_A]
  • SWISS-PROT database: [O14745]
  • Belongs to the ezrin/radixin/moesin-binding phosphoprotein 50 (ebp50) family according to TCDB.
  • Domain organization of [NHRF1_HUMAN] by SWISSPFAM
  • Domain found in 1GQ4: [PDZ ] by SMART
  • Other resources with information on 1GQ4
  • Community annotation for 1GQ4 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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