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Keywords :
Animals; Base Sequence; Cattle; DNA, Neoplasm/metabolism; DNA, Single-Stranded/genetics; DNA-Binding Proteins/metabolism; Electrophoresis, Polyacrylamide Gel; Humans; Molecular Sequence Data; Protein Binding; Repetitive Sequences, Nucleic Acid/genetics
Abstract :
[en] Simple repetitive DNA sequences have been regarded as mere "junk" present in all eukaryotic genomes. In fact, mixed simple repeat (gt)n(ga)m sequences are present in major histocompatibility complex MHC-DRB genes for long evolutionary times, including such distant animals as artiodactyla and man. We describe herein an unsophisticated method which reveals that at least certain simple repetitive (gt)n(ga)m sequences bind nuclear proteins and show characteristics of a specific DNA-protein interaction via gel retardation.
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