>Xla-Mir-21-P3_pre
UAGCUUAUCAGACUGAUGUUGACUGUUGGAUGUCAUGGCAACAACAGUCGGUAGGCUGUC
>Xla-Mir-21-P4_pre
UAGCUUAUCAGACUGAUGUUGACUGUUGGAUGUCAUGGCAACAACAGUCGGUAGGCUGUC