Term Name:	Viper_YR_retrotransposon
Synonyms:	RYV retrotransposon, Viper retrotransposon, Viper YR retrotransposon
Definition:	VIPER retrotransposons are members of the YR_retrotransposon (SO:0002286 superfamily with protein domains: RT, RH, YR. RT is a reverse transcriptase. RH is RNAse H. YR is Tyrosine recombinase. Inverted terminal repeats (ITRs) in VIPER are arranged in A-pol-B-A-B order where A and B represent ITRs. VIPER is only found in kinetoplastida genomes.
Ontology:	Sequence Ontology [SO:0002289]