Two classes of Tn10 transposase mutants that suppress mutations in the Tn10 terminal inverted repeat.

Abstract excerpt

Tn10 transposition requires IS10 transposase and essential sequences at the two ends of the element. Mutations in terminal basepairs 6-13 confer particularly strong transposition defects. We describe here the identification of transposase mutations that suppress the transposition defects of such terminus mutations. These mutations are named "SEM" for suppression of ends mutations. All of the SEM mutations...

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