Tags: Protein.
Probable methyltransferase TARBP1 is an enzyme that in humans is encoded by the TARBP1 gene.HIV-1 the causative agent of acquired immunodeficiency syndrome (AIDS) contains an RNA genome that produces a chromosomally integrated DNA during the replicative cycle. Activation of HIV-1 gene expression by the transactivator Tat is dependent on an RNA regulatory element (TAR) located downstream of the transcription initiation site.