5VMS Transport Protein, Calcium Binding Prote date Apr 28, 2017
title Cryoem Structure Of Xenopus Kcnq1 Channel
authors R.Mackinnon, J.Sun
compound source
Molecule: Potassium Voltage-Gated Channel Subfamily Kqt Mem
Chain: A
Fragment: Unp Residues 67-610
Synonym: Iks Producing Slow Voltage-Gated Potassium Channel Alpha Xkvlqt1, Kqt-Like 1, Voltage-Gated Potassium Channel Kv7.1, Kcnq1;
Engineered: Yes
Organism_scientific: Xenopus Laevis
Organism_common: African Clawed Frog
Organism_taxid: 8355
Gene: Kcnq1, Kvlqt1
Expression_system: Homo Sapiens
Expression_system_common: Human
Expression_system_taxid: 9606
Expression_system_cell_line: Hek293 Gnti-
Expression_system_atcc_number: Crl-3022

Molecule: Calmodulin
Chain: B
Synonym: Cam
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Calm1, Calm, Cam, Cam1, Calm2, Cam2, Camb, Calm3, Cal Cam3, Camc, Camiii;
Expression_system: Homo Sapiens
Expression_system_common: Human
Expression_system_taxid: 9606
symmetry Space Group: P 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
1.000 1.000 1.000 90.00 90.00 90.00
method Electron Microscopyresolution 3.70 Å
ligand CA enzyme
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceCryo-EM Structure of a KCNQ1/CaM Complex Reveals Insights into Congenital Long QT Syndrome., Sun J, MacKinnon R, Cell. 2017 Jun 1;169(6):1042-1050.e9. doi: 10.1016/j.cell.2017.05.019. PMID:28575668
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk]
  • Biological Unit Coordinates (5vms.pdb1.gz) 295 Kb
  • LPC: Ligand-Protein Contacts for 5VMS
  • CSU: Contacts of Structural Units for 5VMS
  • Retrieve 5VMS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5VMS from S2C, [Save to disk]
  • View 5VMS 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 5VMS
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [5vms_A] [5vms_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 5VMS
  • Community annotation for 5VMS at PDBWiki (http://pdbwiki.org)

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