donor splicing site

donor splicing site

[′dō·nər ‚splīs·iŋ ‚sīt]
(cell and molecular biology)
The boundary between the left (5′) end of an intron and the right (3′) end of an exon in messenger ribonucleic acid. Also known as left splicing junction.
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References in periodicals archive ?
As the GT dinucleotide is known to be a site for intron splicing, we predicted that the Fondi mutation introduced a novel, anticipated donor splicing site replacing the first 2 bases of intron 12.