1FQW	Signaling Protein	date	Sep 07, 2000
title	Crystal Structure Of Activated Chey
authors	S.Y.Lee, H.S.Cho, J.G.Pelton, D.Yan, E.A.Berry, D.E.Wemmer
compound		source
Molecule: Chemotaxis Chey Protein Chain: A, B Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.210 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.684 53.911 161.532 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.37 Å
ligand	BEF, MN	enzyme
related structures	by homologous chain: 1AB5, 6CHY
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of activated CheY. Comparison with other activated receiver domains., Lee SY, Cho HS, Pelton JG, Yan D, Berry EA, Wemmer DE, J Biol Chem 2001 May 11;276(19):16425-31. PMID:11279165

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (1fqw.pdb1.gz) 23 Kb Biological Unit Coordinates (1fqw.pdb2.gz) 23 Kb LPC: Ligand-Protein Contacts for 1FQW CSU: Contacts of Structural Units for 1FQW Likely Quarternary Molecular Structure file(s) for 1FQW Structure Factors (179 Kb) Retrieve 1FQW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FQW from S2C, [Save to disk] Re-refined 1fqw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1FQW 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 1FQW

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 1FQW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fqwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1fqwb_, region B [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: [1fqw_B] [1fqw] [1fqw_A] SWISS-PROT database: [P0AE67] Domain organization of [CHEY_ECOLI] by SWISSPFAM Domain found in 1FQW: [REC ] by SMART

Other resources with information on 1FQW

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

Movements, Movies and Images

Domain movements in 1FQW from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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