Acyclovir is a synthetic purine neucleotide analogue, which acts against human herpes viruses. Description Acyclovir is a synthetic purine neucleotide analogue, which acts against human herpes viruses. The enzyme thymidine kinase (TK) encoded by HSV, VZV and EBV converts acyclovir into acyclovir monophosphate, a neucleotide analogue, which is further converted to diphosphate and triphosphate by […]