*  Sandwalk: Repression of the lac Operon
These loops were formed by mixing lac repressor with a fragment of DNA bearing two synthetic lac repressor-binding sites. One ... lac repressor binds to the O2 site with lower affinity.) A bacterial cell contains only about 10 molecules of lac repressor, ... lac repressor binds simultaneously to two sites near the promoter of the lac operon. Repressor-binding sites are called ... In the absence of lactose, lac repressor blocks expression of the lac operon, but when β-galactosides are available as ...
  http://sandwalk.blogspot.com/2008/02/repression-of-lac-operon.html
*  Lac repressor molecule complex - Stock Image C035/5620 - Science Photo Library
Computer model showing the tetrameric structure (green, purple) of a lac repressor complexed with DNA (pink). The LAC repressor ... Caption: Lac repressor molecule complex. Computer model showing the tetrameric structure (green, purple) of a lac repressor ... lac, molecular model, molecular structure, molecule, nobody, protein, repressor, space-fill, space-filled, spacefill, ... The LAC repressor inhibits the expression of genes that code for an enzyme which metabolizes lactose in bacteria. It is only ...
  http://www.sciencephoto.com/media/847018/view
*  Die Dimerisierungsoberfläche des Lac Repressors aus Escherichia coli - Kölner UniversitätsPublikationsServer
Spott, Stefanie (2002) Die Dimerisierungsoberfläche des Lac Repressors aus Escherichia coli. PhD thesis, Universität zu Köln. ...
  http://kups.ub.uni-koeln.de/438/
*  Structure Cluster - 1LQC: LAC REPRESSOR HEADPIECE (RESIDUES 1-56), NMR, 32 STRUCTURES 3D Similarity Report Page
... change of tertiary structure upon binding to the lac operator. ... Description: LAC REPRESSOR protein , Length: 56 No structure ... Refined structure of lac repressor headpiece (1-56) determined by relaxation matrix calculations from 2D and 3D NOE data: ...
  http://www.rcsb.org/pdb/explore/structureCluster.do?structureId=1LQC
*  Sequence Similarity - 1LCC: STRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE-PAIR HALF-OPERATOR...
Structure of the complex of lac repressor headpiece and an 11 base-pair half-operator determined by nuclear magnetic resonance ... STRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE-PAIR HALF-OPERATOR DETERMINED BY NUCLEAR MAGNETIC RESONANCE ...
  http://www.rcsb.org/pdb/explore/sequenceCluster.do?structureId=1LCC
*  Lac repressor - Wikipedia
Lac Repressors at the US National Library of Medicine Medical Subject Headings (MeSH) More information on the lac repressor ... Loss of DNA binding by the lac repressor is required for transcriptional activation of the operon. The lac repressor (LacI) ... "Lac Repressor". RCSB Protein Data Bank. doi:10.2210/rcsb_pdb/mom_2003_3. Lewis, M. (Jun 2005). "The lac repressor". Comptes ... allolactose binds to the lac repressor, causing an allosteric change in its shape. In its changed state, the lac repressor is ...
  https://en.wikipedia.org/wiki/Lac_repressor
*  Allosteric Changes of the Deoxyribonucleic Acid-Binding Site of lac Repressor from Escherichia coli | Biochemical Society...
Allosteric Changes of the Deoxyribonucleic Acid-Binding Site of lac Repressor from Escherichia coli. KONRAD BEYREUTHER ... Allosteric Changes of the Deoxyribonucleic Acid-Binding Site of lac Repressor from Escherichia coli ... Allosteric Changes of the Deoxyribonucleic Acid-Binding Site of lac Repressor from Escherichia coli ... Allosteric Changes of the Deoxyribonucleic Acid-Binding Site of lac Repressor from Escherichia coli ...
  http://www.biochemsoctrans.org/content/3/6/1125
*  Probing large-scale conformational changes and other coupled processes in RNA polymerase, lac repressor, and IHF - DNA...
1 Probing large-scale conformational changes and other coupled processes in RNA polymerase, lac repressor, and IHF - DNA ... Download ppt "Probing large-scale conformational changes and other coupled processes in RNA polymerase, lac repressor, and IHF ... Probing large-scale conformational changes and other coupled processes in RNA polymerase, lac repressor, and IHF - DNA ... Presentation on theme: "Probing large-scale conformational changes and other coupled processes in RNA polymerase, lac repressor ...
  http://slideplayer.com/slide/3497933/
*  MolviZ.Org
LAC REPRESSOR - - - - - - - - - - - - - - - - - - - - - - - - - --> Lac Repressor JSmol See how the repressor protein ...
  http://www.umass.edu/microbio/chime/index.html
*  Patent US7384738 - Retrovirus-based genomic screening - Google Patents
... lac repressor); X-gal (5-bromo-4-chloro-3-indolyl-D-galactoside); ATCC (American Type Culture Collection, Rockville, Md.); ...
  http://www.google.com/patents/US7384738?dq=5,966,702
*  Protein Structural Bioinformatics Course
Lac repressor bending the DNA operon. If this image is not moving, reload the page. ...
  https://www.umass.edu/molvis/workshop/um16-jk.htm
*  2007 Protein Structural Bioinformatics Course
Lac repressor bending the DNA operon. *Animation of ligand binding (HIV protease inhibitor; protein bending DNA) Day 6, ...
  http://www.umass.edu/molvis/workshop/osaka07m.htm
*  RNA transfections
Next message: Lac repressor interference(Lac Switch) * Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] ...
  http://www.bio.net/bionet/mm/methods/1998-April/066394.html
*  Two-Day Workshop
Lac repressor bending the DNA operon. More.. Announcement - Two-Day Workshop: Practical Protein 3D Structure Visualization and ...
  http://www.umass.edu/molvis/workshop/announce/oist11.htm
*  One-Day Course
Lac repressor bending the DNA operon. More.. Announcement - One Day Course: Protein 3D Structure Visualization and Structural ...
  http://www.umass.edu/molvis/workshop/announce/osaka07a.htm
*  EMBOSS: chaos
XX KW acetyltransferase; beta-D-galactosidase; galactosidase; lac operon; KW lac repressor protein; lacA gene; lacI gene; ... "Lactose operator sequences and the action of lac repressor"; RL (in) Sund H., Blauer G. (Eds.); RL PROTEIN-LIGAND INTERACTIONS: ... RA Gilbert W., Maxam A.; RT "The nucleotide sequence of the lac operator"; RL Proc. Natl. Acad. Sci. U.S.A. 70(12):3581-3584( ...
  http://emboss.sourceforge.net/apps/release/6.6/emboss/apps/chaos.html
*  Mapping and complementation studies of the gene for release factor 1.
Genetic studies of the lac repressor. III. Additional correlation of mutational sites with specific amino acid residues. J Mol ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC213603/?lang=en-ca
*  Publications - Mayo Clinic
The lac operator-repressor system is functional in the mouse. Genes Dev. 2001 Jun 15; 15(12):1506-17. View PubMed ... Activation of the lac repressor in the transgenic mouse. Genetics. 1997 Sep; 147(1):297-304. View PubMed ... Say when: reversible control of gene expression in the mouse by lac. Semin Cell Dev Biol. 2002 Apr; 13(2):109-19. View PubMed ...
  http://www.mayo.edu/research/searchpublications/publications?authid=15295036
*  Transcription (RNA Synthesis) - Info Page
For example : The lac repressor protein prevents the expression of the lac Operon which governs the production of enzymes for ... Repressors. Repressors. Repressor proteins bind to DNA in such a way that they interfere with RNA Polymerase action and prevent ... The lac repressor protein binds to the operator region.... in the absence of lactose. in the presence of lactose in the ... The lac repressor stops the metabolism of lactose in bacteria as long as glucose is available. However, when lactose is ...
  https://www.syvum.com/cgi/online/serve.cgi/squizzes/biology/dna/BioFour.html?table
*  Negative regulation of L-arabinose metabolism in Bacillus subtilis: characterization of the araR (araC) gene. - Semantic Scholar
... was identified in the N-terminal region by its identity to the consensus signature sequence of another group of repressors, the ... A family of bacterial regulators homologous to Gal and Lac repressors.. *M J Weickert, S Adhya ... Introduction of marker-free deletions in Bacillus subtilis using the AraR repressor and the ara promoter.. *Shenghao Liu, Keiji ...
  https://www.semanticscholar.org/paper/Negative-regulation-of-L-arabinose-metabolism-in-of-S%C3%A1-Nogueira-Mota/536e5e1d778f0713b6c84208d3bbcbb88bafdaf5
*  EMBOSS: dottup
58, Last updated, Version 2) XX DE E. coli laci gene (codes for the lac repressor). XX KW DNA binding protein; repressor. XX OS ... XX KW acetyltransferase; beta-D-galactosidase; galactosidase; lac operon; KW lac repressor protein; lacA gene; lacI gene; ... "Lactose operator sequences and the action of lac repressor"; RL (in) Sund H., Blauer G. (Eds.); RL PROTEIN-LIGAND INTERACTIONS: ... RA Gilbert W., Maxam A.; RT "The nucleotide sequence of the lac operator"; RL Proc. Natl. Acad. Sci. U.S.A. 70(12):3581-3584( ...
  http://emboss.sourceforge.net/apps/release/6.1/emboss/apps/dottup.html
*  Steitz, Thomas
The structure of the E. coli lac repressor core and that of T7 RNA polymerase complexed with a transcriptional repressor (which ... Friedman, A.M., Fischmann, T.O. and Steitz, T.A. (1995). Unprecedented Quaternary Structure of E. coli lac Repressor Core ...
  http://www.angelfire.com/zine2/jungchiu/Steitz.html
*  UPENN Biomedical Graduate Studies | Mitchell Lewis
We determined the three-dimensional structures of the intact lac repressor, the lac repressor bound to the gratuitous inducer 1 ... The key component of the operon is the lac repressor. The lac operon provides one of the best models for understanding how a ... Bell, C.E., and M. Lewis: Crystal structure of a dimeric lac repressor bound to operatotr at 2.6A resolution: a closer view of ... Bell, C.E., Matthews, K.S and Lewis, M.: Crystal structure of the K84L mutant dimeric lac repressor at 1.6A resolution: a ...
  http://www.med.upenn.edu/apps/faculty/index.php/g20000220/p20088
*  Whole‐Mount Histochemical Detection of β‐Galactosidase Activity - Current Protocols
Lac repressor can be fused to beta‐galactosidase. Nature 249:561‐563. ... Uses of lac fusions for the study of biological problems. Microbiol. Rev. 49:398‐418. ...
  http://www.currentprotocols.com/WileyCDA/CPUnit/refId-mb1414.html