4RUE Metal Transport date Nov 19, 2014
title Human K2p4.1 (Traak) Potassium Channel, G124i Mutant
authors M.Lolicato, D.L.Jr.Minor
compound source
Molecule: Potassium Channel Subfamily K Member 4
Chain: A, B
Fragment: Unp Residues 1-300
Synonym: Twik-Related Arachidonic Acid-Stimulated Potassium Protein, Traak, Two Pore Potassium Channel Kt4.1, Two Pore Channel Kt4.1;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Kcnk4, Traak
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Smd1163
symmetry Space Group: P 21 21 21
R_factor 0.292 R_Free 0.323
crystal
cell
length a length b length c angle alpha angle beta angle gamma
87.490 118.697 128.701 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.30 Å
ligand K enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceTransmembrane Helix Straightening and Buckling Underlies Activation of Mechanosensitive and Thermosensitive K2P Channels., Lolicato M, Riegelhaupt PM, Arrigoni C, Clark KA, Minor DL Jr, Neuron. 2014 Dec 17;84(6):1198-212. doi: 10.1016/j.neuron.2014.11.017. Epub 2014 , Dec 11. PMID:25500157
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk]
  • Biological Unit Coordinates (4rue.pdb1.gz) 80 Kb
  • LPC: Ligand-Protein Contacts for 4RUE
  • CSU: Contacts of Structural Units for 4RUE
  • Structure Factors (355 Kb)
  • Retrieve 4RUE in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4RUE from S2C, [Save to disk]
  • Re-refined 4rue structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4RUE 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 4RUE
  • 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 4RUE, from MSDmotif at EBI
  • Fold representative 4rue from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4rue_A] [4rue] [4rue_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4RUE
  • Community annotation for 4RUE at PDBWiki (http://pdbwiki.org)

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