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Scientific Name: Vidarabine
Brand Name: Not Available
Company Owner: Parkedale pharmaceuticals inc
Mechanism Of Action Vidarabine stops replication of herpes viral DNA in 2 ways: 1) competitive inhibition of viral DNA polymerase, and consequently 2) incorporation into and termination of the growing viral DNA chain. Vidarabine is sequentially phosphorylated by kinases to the triphosphate ara-ATP, which is the active form of vidarabine that acts as both an inhibitor and a substrate of viral DNA polymerase. By acting as a substrate for viral DNA polymerase, ara-ATP competitively inhibits dATP leading to the formation of ‘faulty’ DNA. Ara-ATP can also be incorporated into the DNA strand to replace many of the adenosine bases, resulting in the disruption of DNA synthesis.
Description of the Drug: Vidarabine is an antiviral agent used to treat various viral infections.
Protein Data Bank:
Source: DrugBank Online – Retrieved 2023-01-23 from