The repressor protein MetJ, in cooperation with the corepressor protein S-adenosyl-methionine, mediates the repression of methionine s biosynthetic pathway.
12.
"' SmeT "'is a transcriptional repressor protein of 24.6 kDa found in the pathogen bacteria " Stenotrophomonas maltophilia ".
13.
The eggs of P strain females contain high amounts of a repressor protein that prevents transcription of the transposase gene.
14.
These ncRNAs act by sequestering translational repressor proteins, called expression of downstream genes that would normally be blocked by the repressors.
15.
But those so-called repressor proteins are designed to have an affinity for a specific chemical, in this case the antibiotic tetracycline.
16.
At this point, due to its recent discovery, it is not yet known if it is regulated by co-repressor protein complexes.
17.
This often occurs when hormone binding to hormone receptors stimulates ubiquitin-associated degradation of repressor proteins that block expression of certain genes.
18.
The problem with the lactose-repressor protein, however, was that it was so huge and so wiggly that it seemed impossible to crystallize.
19.
With the lactose-repressor protein, Steitz said, his inference of the three-dimensional structure, published in Science last year, turned out to be essentially correct.
20.
This is because the non-specific DNA acts as sort of a " sink " for the repressor proteins, distracting them from the operator.
