1ORS	Membrane Protein	date	Mar 14, 2003
title	X-Ray Structure Of The Kvap Potassium Channel Voltage Sensor Complex With An Fab
authors	Y.Jiang, A.Lee, J.Chen, V.Ruta, M.Cadene, B.T.Chait, R.Mackinnon
compound		source
Molecule: 33h1 Fab Light Chain Chain: A		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Other_details: Mouse Hybridoma
Molecule: 33h1 Fab Heavy Chain Chain: B		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Other_details: Mouse Hybridoma
Molecule: Potassium Channel Chain: C Engineered: Yes		Organism_scientific: Aeropyrum Pernix Organism_taxid: 56636 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe60
symmetry	Space Group: C 1 2 1	R_factor 0.231 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 264.710 61.600 46.060 90.00 90.35 90.00
method	X-Ray Diffraction	resolution	1.90 Å
related structures	by homologous chain: 12E8, 1A7N, 1C1E, 1UA6
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray structure of a voltage-dependent K+ channel., Jiang Y, Lee A, Chen J, Ruta V, Cadene M, Chait BT, MacKinnon R, Nature 2003 May 1;423(6935):33-41. PMID:12721618

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk] Biological Unit Coordinates (1ors.pdb1.gz) 95 Kb CSU: Contacts of Structural Units for 1ORS Likely Quarternary Molecular Structure file(s) for 1ORS Structure Factors (420 Kb) Retrieve 1ORS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ORS from S2C, [Save to disk] Re-refined 1ors structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ORS 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 1ORS

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 1ORS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1orsa1, region A:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1orsa2, region A:108-214 [Jmol] [rasmolscript] [script source]     - Domain d1orsb1, region B:1-118 [Jmol] [rasmolscript] [script source]     - Domain d1orsb2, region B:119-221 [Jmol] [rasmolscript] [script source]     - Domain d1orsc_, region C [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: [1ors_B] [1ors_A] [1ors_C] [1ors] SWISS-PROT database: [P01869] [P01837] [Q9YDF8] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domain organization of [IGH1M_MOUSE] [IGKC_MOUSE] [KVAP_AERPE] by SWISSPFAM Domains found in 1ORS: [IG_like] [IGv ] by SMART

Other resources with information on 1ORS

Community annotation for 1ORS 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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