An enzyme that synthesizes DNA on an RNA template. It is encoded by the pol gene of retroviruses and by certain retrovirus-like elements. EC 2.7.7.49.

Synonyms: RNA Dependent DNA Polymerase, EC 2.7.7.49, RNA-Directed DNA Polymerase, RNA Directed DNA Polymerase, DNA Polymerase, RNA-Dependent, Reverse Transcriptase, Revertase, RNA-Dependent DNA Polymerase, DNA Polymerase, RNA Directed, DNA Polymerase, RNA-Directed, Deoxynucleotide-triphosphate:DNA deoxynucleotidyltransferase (RNA-directed), RNA Transcriptase