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The products of the bacteriophage T4 terminase genes 16 and 17 are known to mediate cutting and packaging of concatemeric vegetative DNA. We show here that the larger of these genes, 17, yields multiple protein species. The complex expression of the T4 terminase genes includes overlapping transcripts, probably initiated from multiple promoters, RNA processing at certain preferred sites and translation...
Many eukaryotic genes are split into exons and introns, the latter being removed post-transcriptionally so that only exon sequences appear in cytoplasmic RNAs. Since introns appear in both protein-encoding RNAs and non-protein-coding RNAs, they interrupt genetic information per se, not just protein-encoding information. A DNA sequence has the potential to carry more than one type of genetic information,...
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