>299d_B mol:na length:25 RNA HAMMERHEAD RIBOZYME GGCCGAAACUCGUAAGAGUCACCAC >299d_A mol:na length:16 RNA HAMMERHEAD RIBOZYME GUGGUCUGAUGAGGCC >299d_B mol:na length:25 RNA HAMMERHEAD RIBOZYME GGCCGAAACUCGUAAGAGUCACCAC