1JVM Membrane Protein date Aug 30, 2001
title Kcsa Potassium Channel With Tba (Tetrabutylammonium) And Rub
authors J.H.Morais-Cabral, Y.Zhou, R.Mackinnon
compound source
Molecule: Voltage-Gated Potassium Channel
Chain: A, B, C, D
Fragment: Residues 1-125
Engineered: Yes
Mutation: Yes
Organism_scientific: Streptomyces Lividans
Organism_taxid: 1916
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Xl1-Blue
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pqe-60
symmetry Space Group: C 1 2 1
R_factor 0.281 R_Free 0.302
crystal
cell
length a length b length c angle alpha angle beta angle gamma
129.800 69.400 112.700 90.00 125.60 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand RB, TBA enzyme
related structures by homologous chain: 1J95, 1R3K
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceEnergetic optimization of ion conduction rate by the K+ selectivity filter., Morais-Cabral JH, Zhou Y, MacKinnon R, Nature 2001 Nov 1;414(6859):37-42. PMID:11689935
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk]
  • Biological Unit Coordinates (1jvm.pdb1.gz) 57 Kb
  • Biological Unit Coordinates (1jvm.pdb2.gz) 113 Kb
  • LPC: Ligand-Protein Contacts for 1JVM
  • CSU: Contacts of Structural Units for 1JVM
  • Likely Quarternary Molecular Structure file(s) for 1JVM
  • Structure Factors (128 Kb)
  • Retrieve 1JVM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1JVM from S2C, [Save to disk]
  • Re-refined 1jvm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1JVM 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 1JVM
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1JVM, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1jvma_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1jvmb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1jvmc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1jvmd_, region D [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1jvm_B] [1jvm_C] [1jvm] [1jvm_D] [1jvm_A]
  • SWISS-PROT database: [P0A334]
  • Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB.
  • Domain organization of [KCSA_STRLI] by SWISSPFAM
  • Other resources with information on 1JVM
  • Community annotation for 1JVM 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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