Result for your query miRNA sequence
>tumv-miR-s20
gaaagcu
RED =100 % Complementary sequence
.=Identical residue
blue alphabets=mismatch
_=Gap 


Acc numbermiRNAStartAlignmentEnd% Identity
Query1gaaagct7
VMR_1199  tumv-miR-s20 2.......8100
VMR_0246  hcmv-miR-us5-1-5p 7......_285
VMR_0057  bmnpv-miR-3 1......_685