>1xcu_B mol:na length:6  5'-D(*CP*GP*TP*AP*CP*G)-3'
CGTACG
>1xcu_B mol:na length:6  5'-D(*CP*GP*TP*AP*CP*G)-3'
CGTACG
>1xcu_A mol:na length:6  5'-D(*CP*GP*TP*AP*CP*G)-3'
CGTACG