Abstract:
:Using in vitro assays, we show that nuclear proteins related to the Sp1 and GT-1 factors bind to a CACCC box sequence in the human beta-globin enhancer, adjacent to binding sites for the erythroid-specific factor NFE1 and the ubiquitous factor CP1. The same proteins are known to bind to the proximal, but not to the distal, CACCC, box in the human beta-globin promoter. A C G mutation in the promoter CACCC box, known to cause beta-thalassemia, greatly decreases protein binding to the CACCC box; the same effect is obtained when this mutation is introduced into the enhancer CACCC box.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Giglioni B,Comi P,Ronchi A,Mantovani R,Ottolenghi Sdoi
10.1016/0006-291x(89)91695-1subject
Has Abstractpub_date
1989-10-16 00:00:00pages
149-55issue
1eissn
0006-291Xissn
1090-2104pii
0006-291X(89)91695-1journal_volume
164pub_type
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