>Xtr-Let-7-P1b_pri
CUGGCUUCUUCUGCUCGGUGGGCUCCAGGCUGAGGUAGUAGGUUGUAUAGUUGAGGAUAACACCAAAGGAGAUAACUGUACAGCCUCCUAUCUUUCCCUGGGGCUUUGCCAUAACAACAAAGCCUCU
>Xtr-Let-7-P1c_pri
GGACUACACUGGAAAUGUGUGCAUCCAGGUUGAGGUAGUAGGUUGUAUGGUUUAGAAUGACACCCUGGGAGUUAACUGUACAACCUUCUAGCUUUCCUUGGAGCUCACUUGAACCAUCGAAGAAUCA
>Xtr-Let-7-P2a1_pri
GCUGCUCUCUGGCGCCACCGCCCUGUGGGAUGAGGUAGUAGGUUGUUUAGUUAUUGGGCCGCACCCACCAAUGGGAGAGAACUACACAACCUACUGUCUCUCCUAAAGUGGCCGGAAUCUCCUCACGACCAC
>Xtr-Let-7-P2a2_pri
GCCCCCCCAGAUUCCGACUGCCCUUUGGGGUGAGGUAGUAGGUUGUUUAGUUGUGGGUUGCACCCUGACGUUUGGAUAACUAUACAAUCUACUGUCUUUCCUGAAGUGGCUGUAAUGUCAUCGUGGGAGC
>Xtr-Let-7-P2a3_pri
UGUCAUCAGAGAUUUACUGACCCUGCAGGAUGAGGUAGUAGAUUGUAUAGUUUUGGGGUCACACCCGAUCUGGGAGAUAACUAUACAGUUUACUGUCUUUCCUGCGGUGUUUCCUUUCCACCAGACCACUG
>Xtr-Let-7-P2b2_pri
CCCCUAGUGGCCGCCGCAGCCUUGGCGGGAUGAGGUAGUAGGUUGUGUGGUUUCAGGGCAGUGAUUUUUGCCCCAAUCAGGAGAUAACUAUACAACCUACUGCCUUCCCCGGCAGGCACCAUGUCGUCGAGGCCCAAU
>Xtr-Let-7-P2b3_pri
CCUGCACUACACUCUCUGCCCUCUUCAGGAUGAGGUAGUAAGUUGUAUUGUUGUGGGGGUUUUUAUUUCCCCAAAUUAGGAGAUAACUAUACAGCUUACUGCCUUCCCUGCAGCAUGGUAAUUUAAUUCUCUGAUGU
>Xtr-Let-7-P2c2_pri
AAUGCCAAGCUAUGGUGUUCUGGUCCUGGCUGAGGUAGUAGUUUGUGCUGUUGGUCGGGUUGUGACACUGCCCGCUGUGGAGAUAACUGCGCAAGCUACUGCCUUGCUAGUGCUGGGAAUCUACUGCAGAUGGAGAC
>Xtr-Let-7-P2c3_pri
UAAGUUCGGACAGACUGCCUGGAUUUGGGCUGAGGUAGUUGUUUGUACAGUUUAAGGGUCUGUGACACCACCCUCUGUUGGAGAUAACUGUACAGGCCACUGCCUUGCCUAGGACAGAGCAUACUCGACAAGGAAUCC
>Xtr-Let-7-P2c4_pri
UUUCAGCCAGAUCUUGCCCAGCUCUCUGGCUGAGGUAGUAGUUUGUGUAGUUAGGGGGCAGUGGUGUUUGCCCAUGGAGAUAACUAGACAAACUACUGCCUUGCCAGCGGUGGGCACAUUCGUCUGCAUUACGC