4TWK Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1) date
authors Pike, A.C.W., Dong, Y.Y., Tessitore, A., Goubin, S., Strain-Damerell, C., Mukhopadhyay, S., Kupinska, K., Wang, D., Chalk, R., Berridge, G., Grieben, M., Shrestha, L., Ang, J.H., Mackenzie, A., Quigley, A., Bushell, S.R., Shintre, C.A., Faust, B., Chu, A., Dong, L., Delft, F.von., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Burgess-Brown, N.A., Carpenter, E.P.
compound source
symmetry
R_factor
R_Free 0.2580
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.60
ligand 37X, K, MG, NAG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (171 Kb) [Save to disk]
  • Biological Unit Coordinates (4twk.pdb1.gz) 164 Kb
  • LPC: Ligand-Protein Contacts for 4TWK
  • CSU: Contacts of Structural Units for 4TWK
  • Structure Factors (687 Kb)
  • Retrieve 4TWK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4TWK from S2C, [Save to disk]
  • Re-refined 4twk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 4TWK 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 4TWK
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4TWK, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4twk] [4twk_A] [4twk_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 4TWK
  • Community annotation for 4TWK at PDBWiki (http://pdbwiki.org)

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