Abstract
An erythroid nuclear protein (EF1), originally detected as a protein binding within the nuclease hypersensitive site upstream of the chicken beta H-globin gene, has been purified. This protein of 37,000-39,000 molecular weight binds to three sites within the hypersensitive region: one between the CCAAT and TATA boxes, the second (further upstream) next to a NF1 binding site, and the third adjacent to a regulatory element found in a number of beta-globin genes. The EF1 protein also binds to an erythroid-specific promoter element of the mouse alpha-globin gene and to two sites within the chicken beta A-globin enhancer. These six EF1-binding sites are related by the consensus sequence A/TGATAA/GG/C. A minor protein of molecular weight 72,000 which co-purifies with EF1 also binds to the same sequences.
MeSH Terms
Animals
Base Sequence
Binding Sites
Chickens
Chromatography, Affinity
Deoxyribonuclease I
Enhancer Elements, Genetic
Erythrocytes/metabolism
Genes
Globins/genetics
Molecular Sequence Data
Nuclear Proteins/blood
Promoter Regions, Genetic
Restriction Mapping
Chemicals
Nuclear Proteins
Globins
Deoxyribonuclease I
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Perkins N D
Institute of Cancer Research, Chester Beatty Laboratories, London, UK.
Nicolas R H
Plumb M A
Goodwin G H
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