3SPJ Metal Transport date Jul 01, 2011
title Apo Inward Rectifier Potassium Channel Kir2.2 I223l Mutant
authors S.B.Hansen, X.Tao, R.Mackinnon
compound source
Molecule: Inward-Rectifier K+ Channel Kir2.2
Chain: A
Synonym: Inward Rectifier Potassium Channel 2.2
Engineered: Yes
Mutation: Yes
Organism_scientific: Gallus Gallus
Organism_common: Chicken
Organism_taxid: 9031
Gene: Kir2.2
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
symmetry Space Group: I 4
R_factor 0.235 R_Free 0.267
length a length b length c angle alpha angle beta angle gamma
83.769 83.769 197.126 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.31 Å
ligand K enzyme

Primary referenceStructural basis of PIP(2) activation of the classical inward rectifier K(+) channel Kir2.2., Hansen SB, Tao X, Mackinnon R, Nature. 2011 Aug 28. doi: 10.1038/nature10370. PMID:21874019
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk]
  • Biological Unit Coordinates (3spj.pdb1.gz) 206 Kb
  • LPC: Ligand-Protein Contacts for 3SPJ
  • CSU: Contacts of Structural Units for 3SPJ
  • Structure Factors (116 Kb)
  • Retrieve 3SPJ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3SPJ from S2C, [Save to disk]
  • Re-refined 3spj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3SPJ in 3D
  • Proteopedia, because life has more than 2D.
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  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3SPJ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3SPJ, from MSDmotif at EBI
  • Fold representative 3spj from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3spj_A] [3spj]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3SPJ
  • Community annotation for 3SPJ at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
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