6CHY	Signal Transduction Protein	date	Aug 29, 1996
title	Structure Of Chemotaxis Protein Chey
authors	X.Zhu, J.Rebello, P.Matsumura, K.Volz
compound		source
Molecule: Chey Chain: A, B Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Bacterial Expression_system_plasmid: Chey
symmetry	Space Group: P 21 21 2	R_factor 0.185 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.780 76.700 32.640 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.33 Å
ligand	SO4	enzyme
related structures	by homologous chain: 1FQW, 1YMU
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of CheY mutants Y106W and T87I/Y106W. CheY activation correlates with movement of residue 106., Zhu X, Rebello J, Matsumura P, Volz K, J Biol Chem 1997 Feb 21;272(8):5000-6. PMID:9030562

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (6chy.pdb1.gz) 22 Kb Biological Unit Coordinates (6chy.pdb2.gz) 22 Kb Biological Unit Coordinates (6chy.pdb3.gz) 42 Kb LPC: Ligand-Protein Contacts for 6CHY CSU: Contacts of Structural Units for 6CHY Likely Quarternary Molecular Structure file(s) for 6CHY Structure Factors (52 Kb) Retrieve 6CHY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6CHY from S2C, [Save to disk] Re-refined 6chy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 6CHY 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 6CHY

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 6CHY, from MSDmotif at EBI Genome occurence of 6CHY's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d6chya_, region A [Jmol] [rasmolscript] [script source]     - Domain d6chyb_, 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: [6chy_A] [6chy_B] [6chy] SWISS-PROT database: [P0AE67] Domain organization of [CHEY_ECOLI] by SWISSPFAM Domain found in 6CHY: [REC ] by SMART

Other resources with information on 6CHY

Community annotation for 6CHY 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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