The cDNA fragment was originally inserted at XhoI-NotI site
of the pBluescript II SK(+) vector (GenBank Accession No.
X52328, AmpR). The adjacent sequence to the 5' end of the cDNA is as follows:
CTCGAGCAGCTGAAGCTTTCACAAGTTTGTACAAAAAAGCAGGCTCTTC(=attB1)-5' end of cDNA.