3SYA Metal Transport date Jul 16, 2011
title Crystal Structure Of The G Protein-Gated Inward Rectifier K+ Girk2 (Kir3.2) In Complex With Sodium And Pip2
authors M.R.Whorton, R.Mackinnon
compound source
Molecule: G Protein-Activated Inward Rectifier Potassium Ch
Chain: A
Fragment: Unp Residues 52-380
Synonym: Girk-2, Inward Rectifier K(+) Channel Kir3.2, Pota Channel, Inwardly Rectifying Subfamily J Member 6;
Engineered: Yes
Organism_scientific: Mus Musculus
Organism_common: Mouse
Organism_taxid: 10090
Gene: Girk2, Kcnj6, Kcnj7, W
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Smd1163
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppicz
symmetry Space Group: P 4 21 2
R_factor 0.240 R_Free 0.269
length a length b length c angle alpha angle beta angle gamma
85.851 85.851 177.862 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.98 Å
ligand K, NA, PIO enzyme

Primary referenceCrystal Structure of the Mammalian GIRK2 K(+) Channel and Gating Regulation by G Proteins, PIP(2), and Sodium., Whorton MR, Mackinnon R, Cell. 2011 Sep 30;147(1):199-208. PMID:21962516
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk]
  • Biological Unit Coordinates (3sya.pdb1.gz) 436 Kb
  • LPC: Ligand-Protein Contacts for 3SYA
  • CSU: Contacts of Structural Units for 3SYA
  • Structure Factors (185 Kb)
  • Retrieve 3SYA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3SYA from S2C, [Save to disk]
  • Re-refined 3sya structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3SYA 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 3SYA
  • 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 3SYA, from MSDmotif at EBI
  • Fold representative 3sya from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3sya_A] [3sya]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3SYA
  • Community annotation for 3SYA at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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