2Q0O	Transcription	date	May 22, 2007
title	Crystal Structure Of An Anti-Activation Complex In Bacterial Sensing
authors	G.Chen, P.D.Jeffrey, C.Fuqua, Y.Shi, L.Chen
compound		source
Molecule: Probable Transcriptional Activator Protein Trar Chain: A, B Engineered: Yes		Organism_scientific: Rhizobium Sp. Organism_taxid: 394 Strain: Ngr234 Gene: Trar Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23b
Molecule: Probable Transcriptional Repressor Tram Chain: C, D Engineered: Yes		Organism_scientific: Rhizobium Sp. Organism_taxid: 394 Strain: Ngr234 Gene: Tram Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 1	R_factor 0.235 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.900 62.480 65.500 94.87 110.45 99.17
method	X-Ray Diffraction	resolution	2.00 Å
ligand	LAE	enzyme
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Structural basis for antiactivation in bacterial quorum sensing., Chen G, Jeffrey PD, Fuqua C, Shi Y, Chen L, Proc Natl Acad Sci U S A. 2007 Oct 16;104(42):16474-9. Epub 2007 Oct 5. PMID:17921255

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk] Biological Unit Coordinates (2q0o.pdb1.gz) 111 Kb LPC: Ligand-Protein Contacts for 2Q0O CSU: Contacts of Structural Units for 2Q0O Likely Quarternary Molecular Structure file(s) for 2Q0O Structure Factors (451 Kb) Retrieve 2Q0O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Q0O from S2C, [Save to disk] Re-refined 2q0o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2Q0O in 3D

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Visual 3D analysis of 2Q0O

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 2Q0O, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2q0o] [2q0o_A] [2q0o_B] [2q0o_D] [2q0o_C] SWISS-PROT database: [P55408] [P55407] Domain organization of [TRAM_RHISN] [TRAR_RHISN] by SWISSPFAM Domain found in 2Q0O: [HTH_LUXR ] by SMART

Other resources with information on 2Q0O

Community annotation for 2Q0O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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