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. 1985 Sep 25;13(18):6679–6693. doi: 10.1093/nar/13.18.6679

Nucleotide sequence characterization of Ty 1-17, a class II transposon from yeast.

J R Warmington, R B Waring, C S Newlon, K J Indge, S G Oliver
PMCID: PMC321985  PMID: 2997719

Abstract

We have determined the nucleotide sequence of a class II yeast transposon (Ty 1-17) which is found just centromere-distal to the LEU2 structural gene on chromosome III of Saccharomyces cerevisiae. The complete element is 5961 bp long and is bounded by two identical, directly repeated, delta sequences of 332 bp each. The sequence organization indicates that Ty 1-17 is a retrotransposon, like the class I elements characterized previously. It contains two long open reading-frames, TyA (439 amino acids) and TyB (1349 amino acids). In this paper, the sequences of the two classes of yeast transposon are compared with one another and with analogous elements, such as retroviral proviruses, cauliflower mosaic virus and copia sequences. Features of the Ty 1-17 sequence which may be important to its mechanism of transposition and its genetic action are discussed.

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Selected References

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