The cDNA fragment was inserted at the XhoI-SacI site of the pBC SK+
vector(Cm resistance;
http://www.kazusa.or.jp/huge/vectorinfo/pbcskp_s.txt)
with sequences including attB1 and attB2 sites
(CTCGAGCAGCTGAAGCTTTCACAAGTTTGTAC AAAAAAGCAGGCTCTTC-5' end of cDNA,
GAGCTCTCACCACTTTGTAC AAGAAAGCTGGGCGGCCGCTTTTTTTTTTTTTTTTTT-3' end of cDNA).