2KB1 Membrane Protein date Nov 19, 2008
title Nmr Studies Of A Channel Protein Without Membrane: Structure And Dynamics Of Water-Solubilized Kcsa
authors D.Ma, Y.Xu, T.Tillman, P.Tang, E.Meirovitch, R.Eckenhoff, A.Carnini
compound source
Molecule: Wsk3
Chain: A, B, C, D
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta(De3)Plyss
Expression_system_vector: Pet-24a
Other_details: Designed Variant Of Kcsa
methodSolution NMR
A, D, C, B

Primary referenceNMR studies of a channel protein without membranes: structure and dynamics of water-solubilized KcsA., Ma D, Tillman TS, Tang P, Meirovitch E, Eckenhoff R, Carnini A, Xu Y, Proc Natl Acad Sci U S A. 2008 Oct 28;105(43):16537-42. Epub 2008 Oct 23. PMID:18948596
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (2134 Kb) [Save to disk]
  • CSU: Contacts of Structural Units for 2KB1
  • Original NMR restraints for 2KB1 from PDB
  • Retrieve 2KB1 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2KB1 from S2C, [Save to disk]
  • View 2KB1 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 2KB1
  • 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 2KB1, from MSDmotif at EBI
  • Fold representative 2kb1 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2kb1_D] [2kb1] [2kb1_A] [2kb1_B] [2kb1_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 2KB1
  • Community annotation for 2KB1 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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