3ZQI	Transcription	date	Jun 09, 2011
title	Structure Of Tetracycline Repressor In Complex With Inducer Tip2
authors	M.Sevvana, D.Goeke, C.Stoeckle, D.Kaspar, S.Grubmueller, C.Goetz, C.Berens, M.Klotzsche, Y.A.Muller, W.Hillen
compound		source
Molecule: Tetracycline Repressor Protein Class B From Trans Tn10, Tetracycline Repressor Protein Class D; Chain: A, B Fragment: Residues 1-187,188-208 Engineered: Yes Mutation: Yes Other_details: Chimeric Protein, Residues 1-187 Are From Va Residues 188-208 Are From Variant D Compnd;		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Inducer Peptide Tip2 Chain: C, D Engineered: Yes		Synthetic: Yes Organism_scientific: Escherichia Coli Organism_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.160 R_Free 0.195
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.700 78.560 103.880 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	EDO, MG, PG4	enzyme
note	3ZQI is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	An Exclusive alpha/beta Code Directs Allostery in TetR-Peptide Complexes., Sevvana M, Goetz C, Goeke D, Wimmer C, Berens C, Hillen W, Muller YA, J Mol Biol. 2011 Dec 9. PMID:22178479

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (156 Kb) [Save to disk] Biological Unit Coordinates (3zqi.pdb1.gz) 147 Kb LPC: Ligand-Protein Contacts for 3ZQI CSU: Contacts of Structural Units for 3ZQI Structure Factors (936 Kb) Retrieve 3ZQI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3ZQI from S2C, [Save to disk] Re-refined 3zqi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3ZQI 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 3ZQI

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 3ZQI, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3zqi_D] [3zqi_B] [3zqi] [3zqi_A] [3zqi_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3ZQI

Community annotation for 3ZQI at PDBWiki (http://pdbwiki.org)

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