>Xtr-Mir-181-P1a_3p* ACCAUCGAUCGUUGACUGUACA >Xtr-Mir-181-P1b_3p* ACCAUCGGCCGUUGACUGUACC >Xtr-Mir-181-P2a_3p* CUCGCUGAACGAUGAAUGCAA >Xtr-Mir-181-P2b_3p* CUCAUUGAUCAAUGAAUGCAAA