2CH7	Chemotaxis	date	Mar 13, 2006
title	Crystal Structure Of The Cytoplasmic Domain Of A Bacterial Chemoreceptor From Thermotoga Maritima
authors	S.Y.Park, A.M.Bilwes, B.R.Crane
compound		source
Molecule: Methyl-Accepting Chemotaxis Protein Chain: A Fragment: Cytoplasmic Domain, Residues 225-529 Synonym: Methyl-Accepting Receptor Mcp1143 Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
Molecule: Methyl-Accepting Chemotaxis Protein Chain: B Fragment: Cytoplasmic Domain, Residues 225-529 Synonym: Methyl-Accepting Receptor Mcp1143 Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: P 1 21 1	R_factor 0.2587 R_Free 0.2971
crystal cell	length a length b length c angle alpha angle beta angle gamma 24.600 99.400 117.200 90.00 90.50 90.00
method	X-Ray Diffraction	resolution	2.5 Å
ligand	PB	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Reconstruction of the chemotaxis receptor-kinase assembly., Park SY, Borbat PP, Gonzalez-Bonet G, Bhatnagar J, Pollard AM, Freed JH, Bilwes AM, Crane BR, Nat Struct Mol Biol. 2006 May;13(5):400-7. Epub 2006 Apr 23. PMID:16622408

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk] Biological Unit Coordinates (2ch7.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 2CH7 CSU: Contacts of Structural Units for 2CH7 Likely Quarternary Molecular Structure file(s) for 2CH7 Structure Factors (467 Kb) Retrieve 2CH7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CH7 from S2C, [Save to disk] Re-refined 2ch7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CH7 in 3D

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Visual 3D analysis of 2CH7

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 2CH7, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ch7] [2ch7_B] [2ch7_A] SWISS-PROT database: [Q9X0M7] Domain organization of [MCP2_THEMA] by SWISSPFAM Domain found in 2CH7: [MA ] by SMART

Other resources with information on 2CH7

Community annotation for 2CH7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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