3BJ4	Signaling Protein	date	Dec 03, 2007
title	The Kcnq1 (Kv7.1) C-Terminus, A Multi-Tiered Scaffold For Su Assembly And Protein Interaction
authors	R.Wiener, J.A.Hirsch
compound		source
Molecule: Potassium Voltage-Gated Channel Subfamily Kqt Mem Chain: A, B Fragment: C-Terminal Helix D Synonym: Voltage-Gated Potassium Channel Subunit Kv7.1, Iks Slow Voltage-Gated Potassium Channel Subunit Alpha Kvlqt1, 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 Diffraction	resolution	2.00 Å
ligand	NI	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	The 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) 28 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

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 3D motif for 3BJ4, from MSDmotif at EBI

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)

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