Result for your query miRNA sequence
>hsv2-miR-h21
auaacguc
RED =100 % Complementary sequence
.=Identical residue
blue alphabets=mismatch
_=Gap 


Acc numbermiRNAStartAlignmentEnd% Identity
Query1ataacgtc8
VMR_0327  hsv2-miR-h21 1........8100
VMR_0068  dev-miR-d14-3p 7......__275