A: DNA (5'-D(*GP*CP*TP*AP*TP*AP*AP*AP*AP*GP*GP*GP*CP*A)-3') B: DNA (5'-D(*TP*GP*CP*CP*CP*TP*TP*TP*TP*AP*TP*AP*GP*C)-3') C: DNA (5'-D(*GP*CP*TP*AP*TP*AP*AP*AP*AP*GP*GP*GP*CP*A)-3') D: DNA (5'-D(*TP*GP*CP*CP*CP*TP*TP*TP*TP*AP*TP*AP*GP*C)-3') E: TATA BINDING PROTEIN (TBP) F: TATA BINDING PROTEIN (TBP)