5K7L Metal Transport Calcium Binding Protein date May 26, 2016
title Single Particle Cryo-Em Structure Of The Voltage-Gated K+ Ch Bound To The Channel Inhibitor Calmodulin
authors J.R.Whicher, R.Mackinnon
compound source
Molecule: Potassium Voltage-Gated Channel Subfamily H Membe
Chain: A
Fragment: Unp Residues 1-773, 888-962
Synonym: Voltage-Gated Potassium Channel Eag1, Ether-A-Go-G Potassium Channel 1, R-Eag, Voltage-Gated Potassium Channel Kv10.1;
Engineered: Yes
 Organism_scientific: Rattus Norvegicus
Organism_common: Rat
Organism_taxid: 10116
Gene: Kcnh1, Eag
Expression_system: Homo Sapiens
Expression_system_common: Human
Expression_system_taxid: 9606
Expression_system_cell_line: Hek293 Gnti-
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Peg Bacmam

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
Expression_system_cell_line: Hek293 Gnti-
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Peg Bacmam
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 3.78 Å
ligand NAG, Y01 enzyme
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceStructure of the voltage-gated K(+) channel Eag1 reveals an alternative voltage sensing mechanism., Whicher JR, MacKinnon R, Science. 2016 Aug 12;353(6300):664-9. doi: 10.1126/science.aaf8070. PMID:27516594
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk]
  • Biological Unit Coordinates (5k7l.pdb1.gz) 491 Kb
  • LPC: Ligand-Protein Contacts for 5K7L
  • CSU: Contacts of Structural Units for 5K7L
  • Retrieve 5K7L in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5K7L from S2C, [Save to disk]
    • View 5K7L 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 5K7L
  • 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: [5k7l_B] [5k7l_A] [5k7l]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 5K7L: [EFh] [PAC] [PAS] [cNMP ] by SMART
    • Other resources with information on 5K7L
  • Community annotation for 5K7L at PDBWiki (http://pdbwiki.org)

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