1EXB	Metal Transport	date	May 02, 2000
title	Structure Of The Cytoplasmic Beta Subunit-T1 Assembly Of Vol Dependent K Channels
authors	J.M.Gulbis, M.Zhou, S.Mann, R.Mackinnon
compound		source
Molecule: Kv Beta2 Protein Chain: A Fragment: Beta Subunit, Residues 36-367 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Organ: Brain Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_plasmid: Pfastbac1
Molecule: Potassium Channel Kv1.1 Chain: E Fragment: T1 Domain, Residues 27-129 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Organ: Brain Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_plasmid: Pacg2t
symmetry	Space Group: P 4 21 2	R_factor 0.215 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 100.725 100.725 110.901 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	NDP	enzyme
related structures	by homologous chain: 1A68, 1QDW, 1QRQ, 1ZSX
Gene Ontology	Chain Function Process Component A voltage-gated ion channel ac... voltage-gated potassium chan... E
Primary reference	Structure of the cytoplasmic beta subunit-T1 assembly of voltage-dependent K+ channels., Gulbis JM, Zhou M, Mann S, MacKinnon R, Science 2000 Jul 7;289(5476):123-7. PMID:10884227

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1exb.pdb1.gz) 281 Kb LPC: Ligand-Protein Contacts for 1EXB CSU: Contacts of Structural Units for 1EXB Likely Quarternary Molecular Structure file(s) for 1EXB Structure Factors (307 Kb) Retrieve 1EXB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EXB from S2C, [Save to disk] Re-refined 1exb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EXB 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 1EXB

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 1EXB, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1exba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1exbe_, region E [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1exb_A] [1exb] [1exb_E] SWISS-PROT database: [P62483] [P10499] Domain organization of [KCAB2_RAT] [KCNA1_RAT] by SWISSPFAM Domain found in 1EXB: [BTB ] by SMART

Other resources with information on 1EXB

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

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