3FK7	Transcription	date	Dec 16, 2008
title	Crystal Structure Of Tetr Triple Mutant (H64k, S135l, S138i) Complex With 4-Ddma-Atc
authors	M.A.Klieber, O.Scholz, S.Lochner, P.Gmeiner, W.Hillen, Y.A.Muller
compound		source
Molecule: Tetracycline Repressor Protein Class B From Trans Tn10, Tetracycline Repressor Protein Class D; Chain: A, B Fragment: Dna-Binding Domain (Residues 1-50) And The Effect Domain (Residues 51-208); Engineered: Yes Mutation: Yes Other_details: The Fusion Protein Of Dna-Binding Domain (Re 50) From Tetr Variant B And The Effector-Binding Domain (Re 208) From Tetr Variant D		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: K12 Gene: Tetr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rb791 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pwh610
symmetry	Space Group: C 1 2 1	R_factor 0.203 R_Free 0.261
crystal cell	length a length b length c angle alpha angle beta angle gamma 130.220 59.380 63.780 90.00 97.85 90.00
method	X-Ray Diffraction	resolution	2.06 Å
ligand	4DM, MG	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural origins for selectivity and specificity in an engineered bacterial repressor-inducer pair., Klieber MA, Scholz O, Lochner S, Gmeiner P, Hillen W, Muller YA, FEBS J. 2009 Oct;276(19):5610-21. Epub 2009 Aug 27. PMID:19712110

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk] Biological Unit Coordinates (3fk7.pdb1.gz) 69 Kb LPC: Ligand-Protein Contacts for 3FK7 CSU: Contacts of Structural Units for 3FK7 Structure Factors (229 Kb) Retrieve 3FK7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3FK7 from S2C, [Save to disk] Re-refined 3fk7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3FK7 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 3FK7

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 3FK7, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3fk7_B] [3fk7_A] [3fk7] SWISS-PROT database: [P04483] [P0ACT4] Domain organization of [TETR2_ECOLX] [TETR4_ECOLX] by SWISSPFAM

Other resources with information on 3FK7

Community annotation for 3FK7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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