4WFH Metal Transport date Sep 15, 2014
title Human Traak K+ Channel In A Tl+ Bound Nonconductive Conforma
authors S.G.Brohawn, R.Mackinnon
compound source
Molecule: Potassium Channel Subfamily K Member 4
Chain: A, B
Synonym: Twik-Related Arachidonic Acid-Stimulated Potassium Protein,Traak,Two Pore Potassium Channel Kt4.1,Two Pore K(+ Kt4.1;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Kcnk4, Traak
Expression_system: Komagataella Pastoris
Expression_system_taxid: 4922

Molecule: Anti-Traak Antibody 13e9 Fab Fragment Light Chain
Chain: D, F
Engineered: Yes

Organism_scientific: Mus Musculus
Organism_common: Mouse
Organism_taxid: 10090
Expression_system: Mus Musculus
Expression_system_taxid: 10090

Molecule: Anti-Traak Antibody 13e9 Fab Fragment Heavy Chain
Chain: E, G
Engineered: Yes

Organism_scientific: Mus Musculus
Organism_common: Mouse
Organism_taxid: 10090
Expression_system: Mus Musculus
Expression_system_taxid: 10090
symmetry Space Group: P 1 21 1
R_factor 0.203 R_Free 0.239
crystal
cell
length a length b length c angle alpha angle beta angle gamma
80.972 138.755 96.759 90.00 94.64 90.00
method X-Ray Diffractionresolution 3.01 Å
ligand CA, D10, TL enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referencePhysical mechanism for gating and mechanosensitivity of the human TRAAK K+ channel., Brohawn SG, Campbell EB, MacKinnon R, Nature. 2014 Dec 4;516(7529):126-30. doi: 10.1038/nature14013. PMID:25471887
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (462 Kb) [Save to disk]
  • Biological Unit Coordinates (4wfh.pdb1.gz) 451 Kb
  • LPC: Ligand-Protein Contacts for 4WFH
  • CSU: Contacts of Structural Units for 4WFH
  • Structure Factors (2265 Kb)
  • Retrieve 4WFH in mmCIF format [Save to disk]
  • Re-refined 4wfh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4WFH 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 4WFH
  • 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 4WFH, from MSDmotif at EBI
  • Fold representative 4wfh from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4wfh_D] [4wfh_B] [4wfh] [4wfh_G] [4wfh_F] [4wfh_A] [4wfh_E]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4WFH: [IG_like] [IGv ] by SMART
  • Other resources with information on 4WFH
  • Community annotation for 4WFH at PDBWiki (http://pdbwiki.org)

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