5XA0 Metal Transport date Mar 10, 2017
title Crystal Structure Of Inositol 1,4,5-Trisphosphate Receptor C Domain
authors K.Hamada, H.Miyatake, A.Terauchi, K.Mikoshiba
compound source
Molecule: Inositol 1,4,5-Trisphosphate Receptor Type 1
Chain: A, B
Fragment: Unp Residues 1-1581
Synonym: Ip3 Receptor Isoform 1,Insp3r1,Inositol 1,4,5-Tris Binding Protein P400,Protein Pcd-6,Purkinje Cell Protein 1, Inositol 1,5-Trisphosphate Receptor,Type 1 Insp3 Receptor;
Engineered: Yes
Organism_scientific: Mus Musculus
Organism_common: Mouse
Organism_taxid: 10090
Gene: Itpr1, Insp3r, Pcd6, Pcp1
Expression_system: Spodoptera
Expression_system_taxid: 7106
symmetry Space Group: P 42
R_factor 0.278 R_Free 0.342
length a length b length c angle alpha angle beta angle gamma
128.164 128.164 369.486 90.00 90.00 90.00
method X-Ray Diffractionresolution 5.81 Å
A, B

Primary referenceIP3-mediated gating mechanism of the IP3 receptor revealed by mutagenesis and X-ray crystallography., Hamada K, Miyatake H, Terauchi A, Mikoshiba K, Proc Natl Acad Sci U S A. 2017 May 2;114(18):4661-4666. doi:, 10.1073/pnas.1701420114. Epub 2017 Apr 17. PMID:28416699
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (381 Kb) [Save to disk]
  • Biological Unit Coordinates (5xa0.pdb1.gz) 183 Kb
  • Biological Unit Coordinates (5xa0.pdb2.gz) 184 Kb
  • CSU: Contacts of Structural Units for 5XA0
  • Structure Factors (195 Kb)
  • Retrieve 5XA0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5XA0 from S2C, [Save to disk]
  • Re-refined 5xa0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 5XA0 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 5XA0
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [5xa0] [5xa0_A] [5xa0_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 5XA0
  • Community annotation for 5XA0 at PDBWiki (http://pdbwiki.org)

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