>Mmu-Let-7-P1b_pri
CAAUCUGCCCACCUGCCGCGCCCCCCGGGCUGAGGUAGGAGGUUGUAUAGUUGAGGAAGACACCCGAGGAGAUCACUAUACGGCCUCCUAGCUUUCCCCAGGCUGCGCCCUGCACUGGAAGGGGCCG
>Mmu-Let-7-P1c_pri
AGAAACAUUGGAAGCUGUGUGCAUCCGGGUUGAGGUAGUAGGUUGUAUGGUUUAGAGUUACACCCUGGGAGUUAACUGUACAACCUUCUAGCUUUCCUUGGAGCACACUUGAGCCAUCGAGGAAUUC
>Mmu-Let-7-P1d_pri
UCCAGCCAUUGUGACUGCAUGUUCCCAGGUUGAGGUAGUAGGUUGUAUAGUUUAGAGUUACAUCAAGGGAGAUAACUGUACAGCCUCCUAGCUUUCCUUGGGACUUGCACAAAGCAACAUGGCAAGA
>Mmu-Let-7-P2a1_pri
UUCACCCUGGAUGUUCUCUUCACUGUGGGAUGAGGUAGUAGGUUGUAUAGUUUUAGGGUCACACCCACCACUGGGAGAUAACUAUACAAUCUACUGUCUUUCCUAAGGUGAUGGAAAAGUCUGCAUUCAUGG
>Mmu-Let-7-P2a2_pri
UACGCCAAGACUGACUGACGGCCUUUGGGGUGAGGUAGUAGGUUGUAUGGUUUUGGGCUCUGCCCCGCUCUGCGGUAACUAUACAAUCUACUGUCUUUCCUGAAGUGGCCGCAAUAUCUGCAGUGGAUA
>Mmu-Let-7-P2a3_pri
GCUGAAGACAGACACUGGUGCUCUGUGGGAUGAGGUAGUAGAUUGUAUAGUUUUAGGGUCAUACCCCAUCUUGGAGAUAACUAUACAGUCUACUGUCUUUCCCACGGUGGUACACUUCCCAUCCAACUAGC
>Mmu-Let-7-P2b1_pri
AUUCCAGAAGAAAAACUUGCUCUAUCAGAGUGAGGUAGUAGAUUGUAUAGUUGUGGGGUAGUGAUUUUACCCUGUUUAGGAGAUAACUAUACAAUCUAUUGCCUUCCCUGAGGAGUAGACUUGCUGCAUUGUUUUUA
>Mmu-Let-7-P2b2_pri
GGCCUCCUCCAGAACACGGACACCGCAGGGUGAGGUAGUAGGUUGUGUGGUUUCAGGGCAGUGAUGUUGCCCCUCCGAAGAUAACUAUACAACCUACUGCCUUCCCUGAGGCGCCCAGGGACACAGCUACAUGGA
>Mmu-Let-7-P2b3_pri
CCUUACUAGACACAUCUGCACAUGCUGGGGUGAGGUAGUAAGUUGUAUUGUUGUGGGGUAGGGAUUUUAGGCCCCAGUAAGAAGAUAACUAUACAACUUACUACUUUCCUUGGUGUGUGGCAUAUUCACAUUAAGUCUU
>Mmu-Let-7-P2c1_pri
GACCAGCAAGAAUAAAAUGGGUUCCUAGGAAGAGGUAGUAGGUUGCAUAGUUUUAGGGCAGAGAUUUUGCCCACAAGGAGUUAACUAUACGACCUGCUGCCUUUCUUAGGGCCUUAUUAUACCAGCAUACGUUUC
>Mmu-Let-7-P2c2_pri
GUCCGCCGGCUCCCACACCAUGGCCCUGGCUGAGGUAGUAGUUUGUGCUGUUGGUCGGGUUGUGACAUUGCCCGCUGUGGAGAUAACUGCGCAAGCUACUGCCUUGCUAGUGCUGGUGAUGCUCAGCGCCGCGGAGG
>Mmu-Let-7-P2c3_pri
CGCUCCGUUCUCUUUUGCCUGAUUCCAGGCUGAGGUAGUAGUUUGUACAGUUUGAGGGUCUAUGAUACCACCCGGUACAGGAGAUAACUGUACAGGCCACUGCCUUGCCAGGAACAGUGCACCAGCUACCAAAUGGGG