Nucleotidyltransferase family protein;(source:Araport11)
TAIR Curator Summary:
Encodes HESO1 (HEN1 suppressor 1), a terminal nucleotidyl transferase that uridylates miRNAs and siRNAs at 3′ end. HESO1-mediated 3′ uridylation destabilizes small RNAs in hen1.