Reference: Kraakman LS, et al. (1991) Functional analysis of the promoter of the gene encoding the acidic ribosomal protein L45 in yeast. Biochim Biophys Acta 1090(2):204-10

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Abstract


The gene encoding the acidic ribosomal protein L45 in yeast is expressed coordinately with other rp-genes. The promoter region of this gene harbours binding sites for CP1 and ABF1. We demonstrate that the CP1-site is not involved in the transcription activation of the L45-gene. Rather, the ABF1-site, through deviating from the consensus sequence (RTARY3N3ACG), appears to be essential for efficient transcription. Replacement of this site by a consensus RAP1-binding site (an RPG box) did not alter the transcriptional yield of the L45-gene. An additional transcription activating region is present downstream of the ABF1-site. The relevant nucleotide sequence, which is repeated in the L45-gene promoter, gives rise to complex formation with a yeast protein extract in a bandshift assay. The results indicate that the L45-gene promoter has a complex architecture.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Kraakman LS, Mager WH, Grootjans JJ, Planta RJ
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