>Spt-Let-7-P1b_pri
GGCCCCCCAUCUCUGCUGCCUGCCUCGGGCUGAGGUAGUAGGUUGUAUGGUUUAGAAUAACACCACCGGGAGAUAACUGUACAGCCUCCUAGCUUUCCCUGGGGCAGUGCCACAGCUGAGAGAUGGGG
>Spt-Let-7-P1c_pri
GUCGCCGUUGGAAGCUGUGUGCAUCCGGGUUGAGGUAGUAGGUUGUAUGGUUUAGAGUUACACCCUGGGAGUUAACUGUACAACCUUCUAGCUUUCCUUGGAGCACACUUGAGCCAUCGAGGAAUUC
>Spt-Let-7-P1d_pri
CCCAGCAUUUUUGACUGCAUGCAUCCAGGUUGAGGUAGUAGGUUGUAUAGUUUAGAAUUACAUCAAGGGAGAUAACUGUACAACCUCCUAGCUUUCCUUGGGUCUUGCACAGAACAGCGUGGUGAGG
>Spt-Let-7-P2a1_pri
CUUUUAACUGAAGAUGCCUGCGCUGUGGGAUGAGGUAGUAGGUUGUAUAGUUUUAGGGUCACACCCACCACUGGGAGAUAACUAUACAGUCUACUGUCUUUCCUAAAGGAGCAGAAAAUCAGCAAUGACAAC
>Spt-Let-7-P2a2_pri
UCUAAUCAAGAGUCUGACUGUCCUUUGGGGUGAGGUAGUAGGUUGUAUAGUUUUAGGGUUAUACCCUGCCUGUCAGAUAACUAUACAAUCUACUGUCUUUCCUGAAGUGGCUGUGAUAUCGACGCUGGAUG
>Spt-Let-7-P2a3_pri
CAAGUGAAUACUGCUCCUGGGCCCCUGGGAUGAGGUAGUAGAUUGUAUAGUUUUAGGGUCAUACCCAGUCUCGGAGAUAACUAUACAAUCUACUGUCUUUCCCAUGGGAACUCGACUCGCUGCAACCAGCA
>Spt-Let-7-P2a4_pri
GCUGUCCUGCCCCUAUGCUGUCCUUGAGGCUGAGGUAGUAGAUUGAAUAGUUGUGGAGUCCUACCCUCCCUCUGAGCUAACUAUACAAUCUACUGUCUUUCCUAAGGAGACAGUCAGGUCAUCUGCUUCAG
>Spt-Let-7-P2b1_pri
UUAUGUGCUAUCCAAAUUUCUCUAUCAGGUUGAGGUAGUAGAUUGUAUAGUUGUAGGGUAGCUGUUUUGCCCUGUUCAGGAGAUAACUAUACAAUCUAUUGCCUUCCCUGAGGAGUAAAAAUUCUGCAGUUCUGUUA
>Spt-Let-7-P2b2_pri
CAGAACACACUGCCUGGUGCUCUGGCAGGGUGAGGUAGUAGGUUGUGUGGUUUCAGGGUAGUGAUUUUGCCCCAAUCAGGAGAUAACUAUACAACCUACUGCCUUCCCUGAUGAGUAGCAUUACAGCACUCCUUGGA
>Spt-Let-7-P2b3_pri
GGUUGAGUGUGAGCCUGGCCCCUGCUGGGGUGAGGUAGUAAGUUGUAUUGUUGUGGGGUAGGGAUUUGUGCCCCAAUUCAGAGAUAACUAUACAACUUACUACUUUCCCUAGUGGGGGGAGAUGUUCCCGUUGGUCGU
>Spt-Let-7-P2b4_pri
UGCUGCUGCCCCUGUCCUGCUCGGUGGAGGUGAGGUAGUAGGUUGUAUAGUUUGGUGGGAGGGACUUCAUCCCAUUUCAGGUGAUAACUAUACAGUCUAUUGCCUUCCUUAAAGAGUAGCCAUACAGCCCAUGGAAAA
>Spt-Let-7-P2c1_pri
AACUGCAGAAGACACCGUGGGUUCCUAGGAAGAGGUAGUAGGUUGCAUAGUUUUAGGUCAGGGAUGUUGCCCAACAAGGAGUUAACUAUACAACCUGCUGCCUUUCUUAGGGCUUUAUUAUUACAACAGGACCAUG
>Spt-Let-7-P2c2_pri
UGGAUGGGUCGGGAGCACCAUGGCCCUGGCUGAGGUAGUAGUUUGUGCUGUUGGUCGGGUUGUGACAUUGCCCGCUGUGGAGAUAACUGCGCAAGCUACUGCCUUGCUAGUGCUGGUGAUGAUCAGCUGCAGAUGAA
>Spt-Let-7-P2c3_pri
GAACCUGAUUUCUCUUGCCUGGUUCCAGGCUGAGGUAGUAGUUUGUACAGUUUGAGGGUCUAUGAUACCACCCGGUACAGGAGAUAACUGUACAGGCCACUGCCUUGCCUGGGACAGAGCAUUGCCUGCUGAAAGUAU