Abstract
We have examined the interaction of factors in HeLa cell nuclear extracts with a human histone H2B gene (H2B) promoter. Protein-DNA mobility-shift and DNase I protection assays detected a factor(s) binding to a 15-base-pair consensus element that is essential for efficient H2B transcription in vitro. Part of this consensus sequence is the octanucleotide ATTTGCAT, which is apparently a functional component of several non-histone genes. A subset of these genes, including a human U2 small nuclear RNA (snRNA) gene promoter, a mouse immunoglobulin heavy chain enhancer, and a mouse light chain promoter, were shown to interact with the H2B consensus sequence-binding factor(s). These results suggest that a common factor or closely related factors may contribute to the regulation of these and other genes that share the octanucleotide sequence.
MeSH Terms
Base Sequence
Binding, Competitive
Cell Nucleus/physiology
DNA-Binding Proteins/physiology
Enhancer Elements, Genetic
Genes, Regulator
HeLa Cells
Histones/genetics
Humans
Immunoglobulins/genetics
Promoter Regions, Genetic
RNA, Small Nuclear/genetics
Transcription Factors/physiology
Chemicals
DNA-Binding Proteins
Histones
Immunoglobulins
RNA, Small Nuclear
Transcription Factors
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Sive H L
Roeder R G
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