a series of plasmids containing new fusion genes in which the trout protamine gene is placed under the control of the complete herpes virus ( hsv-1 ) tk promoter pvu ii-bgl ii fragment ( pm8 ) , or a shortened thymidine kinase ( tk ) promoter in which the region between the tata box and the cap site is altered by using the pvu ii-mlu i fragment ( pm7 ) , have been constructed .
C0086860
bgl
C0080206
tata box