Abstract:
:We previously showed that nuclear factor 1-A (NF1-A) binds to the silencer elements in the glutathione transferase P (GST-P) gene, and the carboxy terminal region of NF1-A represses the transcription activity of human metallothionein IIA (hMTIIA) promoter. In this study, we identified a repression region which is divided into two 100 amino acid domains (RD1 and RD2). RD1 increased the repression activity of RD2 to the hMTIIA promoter activity. The NF1-A repression domain inhibited the promoter activities of not only the hMTIIA gene but also those of the GST-P and CCAAT/enhancer binding protein delta genes. RD1 and RD2 had abundant serine and glycine residues, and proline and serine residues, respectively. Whereas some repression domains identified previously are enriched with alanine, proline, or serine, and are associated with the general transcription factors, the NF1-A repression domains did not interact with transcription factor IIB, TATA-binding protein (TBP), or TBP-associated factors in vitro.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Osada S,Ikeda T,Xu M,Nishihara T,Imagawa Mdoi
10.1006/bbrc.1997.7382subject
Has Abstractpub_date
1997-09-29 00:00:00pages
744-7issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(97)97382-4journal_volume
238pub_type
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