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Comparative Study
. 1993 Dec 1;90(23):11371-5.
doi: 10.1073/pnas.90.23.11371.

Cloning of Nrf1, an NF-E2-related transcription factor, by genetic selection in yeast

J Y Chan  1 , X L Han, Y W Kan
Affiliations
Comparative Study

Cloning of Nrf1, an NF-E2-related transcription factor, by genetic selection in yeast

J Y Chan et al. Proc Natl Acad Sci U S A. .

Abstract

We have devised a complementation assay in yeast to clone mammalian transcriptional activators and have used it to identify a human basic leucine-zipper transcription factor that we have designated Nrf1 for NF-E2-related factor 1. Nrf1 potentially encodes a 742-aa protein and displays marked homology to the mouse and human NF-E2 transcription factors. Nrf1 activates transcription via NF-E2 binding sites in yeast cells. The ubiquitous expression pattern of Nrf1 and the range of promoters containing the NF-E2 binding motif suggest that this gene may play a role in the regulation of heme synthesis and ferritin genes.

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References

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