Transposases are needed for efficient transposition of the insertion sequence or transposon DNA. This family includes transposases for IS200 from E. coli.

1: The Clostridium perfringens enterotoxin gene is on a transposable element in type A human food poisoning strains. Brynestad S, Synstad B, Granum PE; Microbiology 1997;143:2109-2115. PMID:9245800

2: Active site sharing and subterminal hairpin recognition in a new class of DNA transposases. Ronning DR, Guynet C, Ton-Hoang B, Perez ZN, Ghirlando R, Chandler M, Dyda F; Mol Cell. 2005;20:143-154. PMID:16209952