Result for your query miRNA sequence
>tumv-miR-s15
uuaaccg
RED =100 % Complementary sequence
.=Identical residue
blue alphabets=mismatch
_=Gap 


Acc numbermiRNAStartAlignmentEnd% Identity
Query1ttaaccg7
VMR_1193  tumv-miR-s15 2.......8100
VMR_1121  rrv-miR-rr1-4-5p 2.......8100