>1ybl_A: 5'-D(*AP*AP*CP*CP*CP*C)-3' AACCCC >1ybl_B: 5'-D(*AP*AP*CP*CP*CP*C)-3' AACCCC >1ybl_C: 5'-D(*AP*AP*CP*CP*CP*C)-3' AACCCC >1ybl_D: 5'-D(*AP*AP*CP*CP*CP*C)-3' AACCCC