2K44 Membrane Protein date May 28, 2008
title Solution Structure Of A K+-Channel Voltage-Sensor Paddle Dom
authors S.Unnerstale, J.Lind, E.Papadopoulos, L.Maler
compound source
Molecule: K+-Channel Voltage-Sensor Paddle Domain Of Calciu Activated Potassium Channel Subunit Alpha-1;
Chain: A
Synonym: Hsapbk
Engineered: Yes
 Synthetic: Yes
Other_details: Synthetic Peptide
methodSolution NMR
note 2K44 is a representative structure
Primary referenceSolution structure of the HsapBK K+-channel voltage-sensor paddle sequence., Unnerstale S, Lind J, Papadopoulos E, Maler L, Biochemistry. 2009 May 20. PMID:19456106
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (290 Kb) [Save to disk]
  • Biological Unit Coordinates (2k44.pdb1.gz) 10 Kb
  • CSU: Contacts of Structural Units for 2K44
  • Original NMR restraints for 2K44 from PDB
  • Retrieve 2K44 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2K44 from S2C, [Save to disk]
    • View 2K44 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 2K44
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2K44, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2k44_A] [2k44]
  • SWISS-PROT database: [Q12791]
  • Domain organization of [KCMA1_HUMAN] by SWISSPFAM
    • Other resources with information on 2K44
  • Community annotation for 2K44 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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