Results 241 to 250 of about 514,885 (296)

Tegoprazan-Based Triple Therapy for Helicobacter pylori Eradication: A Phase III Multicenter Randomized Clinical Trial. [PDF]

Helicobacter
Park JY, Hong SJ, Choi IJ, Baik GH, Kim SM, Park JJ, Jeon SW, Kim KO, Lee SK, Jung HY, Oh JH, Park CH, Kim SW, Shim KN, Jee SR, Moon HS, Moon JS, Choi CW, Lee WS, Kim JG.   +19 more
europepmc   +1 more source

LAC-TME classifier: machine learning-driven model predicts survival and prioritizes targeted therapy in clear cell renal cell carcinoma. [PDF]

J Cancer Res Clin Oncol
He J, Qi L, Cai Y, Chen M, Wang Y.
europepmc   +1 more source

A Metabolites' Interplay Can Modulate DNA Repair by Homologous Recombination. [PDF]

Int J Mol Sci
Rossi V, Masi M, Govoni M, Veronesi M, Duca M, Girotto S, Cavalli A, Di Stefano G.   +7 more
europepmc   +1 more source

Lac Chibougamau

, 1971
openaire   +1 more source

Relative high heat exposure increases the likelihood of adverse birth outcomes: Multi-country evidence of heat impacts on birth outcomes

Radebe L, Brimicombe C, Koureas M, Nobile F, Bao M, Suárez P, Colistro V, Fomenko E, Lokubal P, Monthaler T, Wieser K, Charvalis G, Mouchtouri V, Hadjichristodoulou C, Stafoggia M, Mkwananzi S, Sawry S, Izu A, Dangor Z, Madhi S, Hanson C, Pembe A, Dossou J, Chipeta E, Kidanto H, Colomar M, Otto I, Jackson D, Luchters S, Chersich M, de Bont J.   +30 more
europepmc   +1 more source

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How Lac repressor finds lac operator in vitro

Journal of Molecular Biology, 1992
Filter-binding and gel mobility shift assays were used to analyse the kinetics of the interaction of Lac repressor with lac operator. A comparison of the two techniques reveals that filter-binding assays with tetrameric Lac repressor have often been misinterpreted.
R, Fickert, B, Müller-Hill
exaly   +3 more sources

Lac Repressor

Angewandte Chemie International Edition in English, 1971
AbstractRepressors are proteins that interact with inducers and operators to regulate the synthesis of enzymes in the cell. Lac repressor ensures that sufficient β‐galactosidase is available to the bacterium Escherichia coli, depending upon the amount of lactose present in the culture medium. It has proved possible to isolate lac repressor from E.coli.
exaly   +3 more sources

A model for the binding of lac repressor to the lac operator

Molecular Biology Reports, 1976
A model is suggested for the lac repressor binding to the lac operator in which the repressor polypeptide chain sequences from Gly 14 to Ala 32 and from Ala 53 to Leu 71 are involved in specific interaction with operator DNA. A correspondence between the protein and DNA sequences is found which explains specificity of the repressor binding to the lac ...
G V, Gursky, V G, Tumanyan, A S, Zasedatelev, A L, Zhuze, S L, Grokhovsky, B P, Gottikh   +5 more
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NMR Studies of lac Operator and lac Repressor

2003
For many years, and even now, the lac operon of Escherichia coli has been a model for gene regulation. The lac repressor is a tetrameric protein that binds strongly the lac operator and the affinity of which is modulated by an inducer molecule. The lac repressor–lac operator complex was the first nucleic acid–protein complex studied with success by NMR.
Lancelot, Gérard, Paquet, Françoise
openaire   +2 more sources

Binding of lac repressor to the secondary lac operator in Escherichia coli

Molecular and General Genetics MGG, 1978
In the lac operon, the existence of a secondary repressor binding site, inside Z gene, had been inferred from in vitro binding studies (Reznikoff et al., 1974; Gilbert et al., 1975). A series of deletions have been constructed from a lac transducing lambda bacteriophage.
A, Rambach, M, Lebastard
openaire   +2 more sources