Alternative targets
mmu-let-7c-1-3p, rno-let-7c-1-3p, mml-let-7c-3p, cpo-let-7c-3p, aca-let-7c-1-3p, ami-let-7c-3p, cgr-let-7c, chi-let-7c-3p, cli-let-7c-3p, cpi-let-7c-3p, dno-let-7c-3p, dre-let-7c-3p, dre-let-7d-3p, gga-let-7c-3p, oan-let-7c-3p, ocu-let-7c-3p, oha-let-7c-3-3p, pal-let-7c-3p, pbv-let-7c-3p, pol-let-7d-3p, ssa-let-7c-3p, ssa-let-7d-3p, tgu-let-7c-3p, xla-let-7c-3p