3KET	Transcription Dna	date	Oct 26, 2009
title	Crystal Structure Of A Rex-Family Transcriptional Regulatory From Streptococcus Agalactiae Bound To A Palindromic Operat
authors	S.Thiyagarajan, D.Logan, C.Von Wachenfeldt
compound		source
Molecule: Redox-Sensing Transcriptional Repressor Rex Chain: A Engineered: Yes		Organism_scientific: Streptococcus Agalactiae Serogroup III Organism_taxid: 216495 Strain: Nem316 Gene: Gbs1167, Rex Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tuner (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet101
Molecule: Dna (5'-D(Apaptptpgptpgpapapapt)-3') Chain: B Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630 Other_details: Nucleotide Synthesis
Molecule: Dna (5'-D(Paptptptpcpapcpapaptpt)-3') Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630 Other_details: Nucleotide Synthesis
symmetry	Space Group: I 2 2 2	R_factor 0.195 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.720 107.030 153.950 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	MG, NAD	enzyme
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk] Biological Unit Coordinates (3ket.pdb1.gz) 170 Kb LPC: Ligand-Protein Contacts for 3KET CSU: Contacts of Structural Units for 3KET Structure Factors (248 Kb) Retrieve 3KET in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KET from S2C, [Save to disk] Re-refined 3ket structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KET 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 3KET

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 3KET, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ket_A] [3ket] [3ket_C] [3ket_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3KET: [CoA_binding ] by SMART

Other resources with information on 3KET

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

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