3BJ4 Signaling Protein date Dec 03, 2007
title The Kcnq1 (Kv7.1) C-Terminus, A Multi-Tiered Scaffold For Subunit Assembly And Protein Interaction
authors R.Wiener, J.A.Hirsch
compound source
Molecule: Potassium Voltage-Gated Channel Subfamily Kqt Member 1;
Chain: A, B
Fragment: C-Terminal Helix D
Synonym: Voltage-Gated Potassium Channel Subunit Kv7.1, Iks Producing Slow Voltage-Gated Potassium Channel Subunit Alpha Kvlqt1, Kqt-Like 1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Kcnq1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Tuner
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Petduet
symmetry Space Group: P 31 2 1
R_factor 0.221 R_Free 0.255
crystal
cell
length a length b length c angle alpha angle beta angle gamma
51.321 51.321 71.094 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.00 Å
ligand NI enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceThe KCNQ1 (Kv7.1) C-terminus, a multi-tieredscaffold for subunit assembly and protein interaction., Wiener R, Haitin Y, Shamgar L, Fernandez-Alonso MC, Martos A, Chomsky-Hecht O, Rivas G, Attali B, Hirsch JA, J Biol Chem. 2007 Dec 29;. PMID:18165683
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (19 Kb) [Save to disk]
  • Biological Unit Coordinates (3bj4.pdb1.gz) 29 Kb
  • LPC: Ligand-Protein Contacts for 3BJ4
  • CSU: Contacts of Structural Units for 3BJ4
  • Likely Quarternary Molecular Structure file(s) for 3BJ4
  • Structure Factors (107 Kb)
  • Retrieve 3BJ4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3BJ4 from S2C, [Save to disk]
  • Re-refined 3bj4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3BJ4 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 3BJ4
  • 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
  • 3D motif for 3BJ4, from MSDmotif at EBI
  • Fold representative 3bj4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3bj4_A] [3bj4_B] [3bj4]
  • SWISS-PROT database: [P51787]
  • Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB.
  • Domain organization of [KCNQ1_HUMAN] by SWISSPFAM
  • Other resources with information on 3BJ4
  • Community annotation for 3BJ4 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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