- subtel1L (treated with PstI/SmaI and cloned into pYN1 to obtain pYN3)

yn31 5′-TATAAACTGCAGAAATAAATCTTTGTACGTTGGATACTC-3′

yn32 5′-TATAAACCCGGGAAAGACGATTTTCATTACTTCTAGCC-3′

- subtel1R (treated with BamHI/SpeI and cloned into pYN2 to obtain pYN4)

yn79 5′-TATAAAGGATCCGATATTTTATGGTGCTATCCAGTC-3′

yn80 5′-TATAAAACTAGTCTTGATAGCCATAAAATGTGTTTAG-3′

- subtel2L (treated with BamHI/SpeI and cloned into pYN2 to obtain pYN5)

yn35 5′-TATAAAGGATCCGTTCTGCTTCTCGACATTATG-3′

yn36 5′-TATAAAACTAGTGTTCTGCTTCTCGACATTATG-3′

- subtel2R (treated with BamHI/SpeI and cloned into pYN2 to obtain pYN6)

yn11 5′-TATAAAGGATCCAGCCGCTTCATCATTACTTACTG-3′

yn12 5′-TATAAAACTAGTGAGCTTATATCTGAAGCTACTCC-3′

- subtel3L (treated with BamHI/XbaI and cloned into pYN1 to obtain pSTk36)

st127 5′-TATAAATCTAGAAATGGAATTGTTTGGTTACACAAC-3′

st128 5′-TATAAAGGATCCTGAAGGGATAAATAATGTATCAACAAAT-3′