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. 1994 Aug;176(15):4718–4725. doi: 10.1128/jb.176.15.4718-4725.1994

The UGA4 UASNTR site required for GLN3-dependent transcriptional activation also mediates DAL80-responsive regulation and DAL80 protein binding in Saccharomyces cerevisiae.

T S Cunningham 1, R A Dorrington 1, T G Cooper 1
PMCID: PMC196294  PMID: 8045902

Abstract

Expression of the nitrogen catabolic genes in Saccharomyces cerevisiae, including those of the gamma-aminobutyric acid (UGA) and allantoin (DAL) pathways, is regulated positively by the GLN3 protein and negatively by the DAL80 protein. The deduced sequences of the DAL80 and GLN3 proteins contain a zinc finger motif homologous to those shown to bind GATA sequences. In addition, DAL80 protein has been directly shown to bind to a pair of GATA-containing sequences (URSGATA) in vitro, and a pair of GATA-containing sequences (UASNTR) is required for GLN3-dependent transcriptional activation in a heterologous expression vector. We demonstrate here that the GATA-containing sites upstream of UGA4 required for optimal GLN3-dependent transcriptional activation also mediate DAL80 protein binding in vitro and DAL80-responsive regulation in vivo.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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