tokens: Next , to identify regions of the promoter involved , we examined a series of tenascin-C promoter constructs with 5 ' deletions and showed that denatured collagen dependent promoter activity was retained by a 122-base pair element , located -43 to -165 bp upstream of the RNA start site .
folded_tokens: next , to identify region of the promoter involve , we examine a series of tenascin-c promoter construct with 5 ' deletion and show that denatured collagen dependent promoter activity be retain by a 122-base pair element , located -43 to -165 bp upstream of the rna start site .