5J03 Transport Protein date Mar 26, 2016
title Crystal Structure Of A Chimeric Kv7.2 - Kv7.3 Proximal C-Ter Domain In Complex With Calmodulin
authors R.Strulovich, J.A.Hirsch
compound source
Molecule: Potassium Voltage-Gated Channel Subfamily Kqt Mem Potassium Voltage-Gated Channel Subfamily Kqt Member 2;
Chain: A
Synonym: Kqt-Like 3,Potassium Channel Subunit Alpha Kvlqt3, Gated Potassium Channel Subunit Kv7.3,Kqt-Like 2,Neuroblast Specific Potassium Channel Subunit Alpha Kvlqt2,Voltage-Gat Potassium Channel Subunit Kv7.2;
Engineered: Yes
Other_details: The Sequence Is Chimeric. Residues 29-82 Cor Human Kv7.3 (Kcnq3), Residues 356-409 (Uniprot O43525-1). R 83-110 Correspond To Human Kv7.2 (Kcnq2), Residues 530-557 O43526-1).;
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Kcnq3, Kcnq2
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Calmodulin
Chain: B
Synonym: Cam
Engineered: Yes
Other_details: This Is Mammalian Calmodulin With Four Bound Ions. The Initiating Methionine Residue Is Cleaved In Vivo.

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: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 31 2 1
R_factor 0.179 R_Free 0.228
length a length b length c angle alpha angle beta angle gamma
47.665 47.665 182.216 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.00 Å
ligand ACT, CA enzyme


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (120 Kb) [Save to disk]
  • Biological Unit Coordinates (5j03.pdb1.gz) 108 Kb
  • LPC: Ligand-Protein Contacts for 5J03
  • CSU: Contacts of Structural Units for 5J03
  • Structure Factors (206 Kb)
  • Retrieve 5J03 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5J03 from S2C, [Save to disk]
  • Re-refined 5j03 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 5J03 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 5J03
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 5j03 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [5j03_B] [5j03_A] [5j03]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 5J03: [EFh ] by SMART
  • Other resources with information on 5J03
  • Community annotation for 5J03 at PDBWiki (http://pdbwiki.org)

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