>Cbr-Let-7-P5_loop
UAGAAUAUUACUCUCGGUGAA
>Cbr-Let-7-P6_loop
ACGUAACUGAAAAGUCA
>Cbr-Let-7-P7_loop
CGAAAGGCUCUUAAUCGUUUC
>Cbr-Let-7-P8_loop
GGAGAUCCACCAUUCCUC