>Bko-Let-7_pre
UGAGGUAGUUGGUUGUAUGGUUUAGAAUUGGAAACAAACUUGUUUUCGGACUAGGCAACCAAAGACUUUUCGAUAUGAUUUCGUUUAGUCUUCGGAUGAUCGAAUUAAAGUCAUUCCUAGUUCGGAACAAAACUCAAGCUAACCAUGCAACUUUCUAGCUUAAA