4I9W Human two pore domain K+ channel TRAAK (K2P4.1) - Fab complex structure date 2012-12-05
authors Brohawn, S.G., Mackinnon, R.
compound source
symmetry
R_factor
R_Free 0.23564
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.75
ligand CA, K enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceDomain-swapped chain connectivity and gated membrane access in a Fab-mediated crystal of the human TRAAK K+ channel., Brohawn SG, Campbell EB, Mackinnon R, Proc Natl Acad Sci U S A. 2013 Feb 5;110(6):2129-34. doi:, 10.1073/pnas.1218950110. Epub 2013 Jan 22. PMID:23341632
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (453 Kb) [Save to disk]
  • Biological Unit Coordinates (4i9w.pdb1.gz) 443 Kb
  • LPC: Ligand-Protein Contacts for 4I9W
  • CSU: Contacts of Structural Units for 4I9W
  • Structure Factors (1242 Kb)
  • Retrieve 4I9W in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4I9W from S2C, [Save to disk]
  • Re-refined 4i9w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4I9W 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 4I9W
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4I9W, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4i9w_D] [4i9w] [4i9w_B] [4i9w_G] [4i9w_F] [4i9w_E] [4i9w_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4I9W: [IG_like] [IGv ] by SMART
  • Other resources with information on 4I9W
  • Community annotation for 4I9W at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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