>421d_B mol:na length:9 RNA (5'-R(*GP*AP*AP*GP*AP*AP*GP*AP*A)-3') GAAGAAGAA >421d_A mol:na length:9 DNA (5'-D(*TP*TP*CP*TP*TP*(CBR)P*TP*TP*C)-3') TTCTTCTTC >421d_B mol:na length:9 RNA (5'-R(*GP*AP*AP*GP*AP*AP*GP*AP*A)-3') GAAGAAGAA