Involved in the transposition of the insertion sequence ISH11. Belongs to the transposase 11 family. This insertion-derived sequence is found in six copies in NRC-1, one copy on the chromosome, two on plasmid pNRC100 and three on plasmid pNRC200. Extended N-terminus. Extended N-terminus. Extended N-terminus. Extended N-terminus. Extended N-terminus. Extended N-terminus.