1ZSX	Oxidoreductase	date	May 25, 2005
title	Crystal Structure Of Human Potassium Channel Kv Beta-Subunit
authors	P.Wennerstrand, I.Johannsson, E.Ugochukwu, K.Kavanagh, A.Edwards C.Arrowsmith, L.Williams, M.Sundstrom, K.Guo, F.Von Delft, U.Opp Structural Genomics Consortium (Sgc)
compound		source
Molecule: Voltage-Gated Potassium Channel Beta-2 Subunit Chain: A Synonym: K+, Channel Beta-2 Subunit, Kv-Beta-2, Hkvbeta2, A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Origene Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21-De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: P11
symmetry	Space Group: I 4 2 2	R_factor 0.145 R_Free 0.172
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.231 113.231 142.505 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CL, NAP	enzyme
related structures	by homologous chain: 1EXB
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (1zsx.pdb1.gz) 217 Kb Biological Unit Coordinates (1zsx.pdb2.gz) 432 Kb LPC: Ligand-Protein Contacts for 1ZSX CSU: Contacts of Structural Units for 1ZSX Likely Quarternary Molecular Structure file(s) for 1ZSX Structure Factors (560 Kb) Retrieve 1ZSX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZSX from S2C, [Save to disk] Re-refined 1zsx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ZSX 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 1ZSX

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 1ZSX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1zsx_A] [1zsx] SWISS-PROT database: [Q13303] Domain organization of [KCAB2_HUMAN] by SWISSPFAM

Other resources with information on 1ZSX

Community annotation for 1ZSX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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