Unity in Transposition Reactions

Science  13 Oct 1995:
Vol. 270, Issue 5234, pp. 253
DOI: 10.1126/science.270.5234.253


Cells and viruses use transposition reactions under several circumstances to move pieces of DNA around the genome. N. Craig argues that all of these events occur by similar breakage and joining reactions and that transposition proteins are quite similar structurally, in spite of a lack of substantial sequence homology.

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