tokens: A central finding is the identification of a GC rich sequence in the -99 / -91 Cp region that is essential for oriPI-EBNA1 independent as well as oriPI-EBNA1 dependent activity of the promoter .
folded_tokens: a central finding be the identification of a gc rich sequence in the -99 / -91 cp region that be essential for oripi-ebna1 independent as well as oripi-ebna1 dependent activity of the promoter .