4EHQ Protein Binding date Apr 03, 2012
title Crystal Structure Of Calmodulin Binding Domain Of Orai1 In C With Ca2+Calmodulin Displays A Unique Binding Mode
authors Y.Liu, X.Zheng, G.A.Mueller, M.Sobhany, E.F.Derose, Y.Zhang, R.E.L L.Birnbaumer
compound source
Molecule: Calmodulin
Chain: A
Synonym: Cam
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Brown Rat,Rat,Rats
Organism_taxid: 10116
Gene: Calm1, Calm, Cam, Cam1, Calm2, Cam2, Camb, Calm3, Cam
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Calcium Release-Activated Calcium Channel Protein
Chain: G
Synonym: Protein Orai-1, Transmembrane Protein 142a
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Synthetic Peptide
symmetry Space Group: C 1 2 1
R_factor 0.179 R_Free 0.216
length a length b length c angle alpha angle beta angle gamma
100.074 24.709 60.903 90.00 100.10 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand CA, GBL enzyme
  • ion channel binding
  • establishment of protein loc...

  • Primary referenceCrystal Structure of Calmodulin Binding Domain of Orai1 in Complex with Ca2+/Calmodulin Displays a Unique Binding Mode., Liu Y, Zheng X, Mueller GA, Sobhany M, Derose EF, Zhang Y, London RE, Birnbaumer L, J Biol Chem. 2012 Oct 29. PMID:23109337
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk]
  • Biological Unit Coordinates (4ehq.pdb1.gz) 32 Kb
  • LPC: Ligand-Protein Contacts for 4EHQ
  • CSU: Contacts of Structural Units for 4EHQ
  • Structure Factors (199 Kb)
  • Retrieve 4EHQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4EHQ from S2C, [Save to disk]
  • Re-refined 4ehq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4EHQ 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 4EHQ
  • 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 4EHQ, from MSDmotif at EBI
  • Fold representative 4ehq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4ehq_A] [4ehq_G] [4ehq]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4EHQ: [EFh ] by SMART
  • Other resources with information on 4EHQ
  • Community annotation for 4EHQ at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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