>Xtr-Let-7-P1b_pre
UGAGGUAGUAGGUUGUAUAGUUGAGGAUAACACCAAAGGAGAUAACUGUACAGCCUCCUAUCUUUCC
>Xtr-Let-7-P1c_pre
UGAGGUAGUAGGUUGUAUGGUUUAGAAUGACACCCUGGGAGUUAACUGUACAACCUUCUAGCUUUCC
>Xtr-Let-7-P2a1_pre
UGAGGUAGUAGGUUGUUUAGUUAUUGGGCCGCACCCACCAAUGGGAGAGAACUACACAACCUACUGUCUCUC
>Xtr-Let-7-P2a2_pre
UGAGGUAGUAGGUUGUUUAGUUGUGGGUUGCACCCUGACGUUUGGAUAACUAUACAAUCUACUGUCUUUC
>Xtr-Let-7-P2a3_pre
UGAGGUAGUAGAUUGUAUAGUUUUGGGGUCACACCCGAUCUGGGAGAUAACUAUACAGUUUACUGUCUUUC
>Xtr-Let-7-P2b2_pre
UGAGGUAGUAGGUUGUGUGGUUUCAGGGCAGUGAUUUUUGCCCCAAUCAGGAGAUAACUAUACAACCUACUGCCUUCC
>Xtr-Let-7-P2b3_pre
UGAGGUAGUAAGUUGUAUUGUUGUGGGGGUUUUUAUUUCCCCAAAUUAGGAGAUAACUAUACAGCUUACUGCCUUCC
>Xtr-Let-7-P2c2_pre
UGAGGUAGUAGUUUGUGCUGUUGGUCGGGUUGUGACACUGCCCGCUGUGGAGAUAACUGCGCAAGCUACUGCCUUGC
>Xtr-Let-7-P2c3_pre
UGAGGUAGUUGUUUGUACAGUUUAAGGGUCUGUGACACCACCCUCUGUUGGAGAUAACUGUACAGGCCACUGCCUUGC
>Xtr-Let-7-P2c4_pre
UGAGGUAGUAGUUUGUGUAGUUAGGGGGCAGUGGUGUUUGCCCAUGGAGAUAACUAGACAAACUACUGCCUUGC