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Viral enzymes are listed in fact sheets for each virus genus or family. This table shows all enzymatic activities of eukaryotic viruses and refers to the corresponding page, if available. (This page is under development):
Process Activity Enzyme Type Rhea Antiviral
Viral replication Polymerase RNA dependent RNA polymerase (RNA replicase) Riboviria Rhea:21248 Nucleoside inhibitor
Viral replication Polymerase DNA dependent DNA polymerase (DNA replicase) CelldsDNA Rhea:22508 Nucleoside inhibitor
Viral replication Polymerase RNA dependent DNA polymerase (Reverse transcriptase) RT Rhea:22508 Nucleoside-RT inhibitors, Non-Nucleoside-RT inhibitors
Viral replication Initiation Primase CelldsDNA
Viral replication Initiation Protein-primed initiation of DNA replication dsDNA
Viral replication Initiation Protein-primed initiation of RNA replication (=VPG capping) Riboviria
Viral replication Initiation Cress-type Endonuclease dsDNA
Viral replication Initiation Ribozyme Endonuclease Riboviria
Viral replication Elongation RNA-DNA duplex dependent endoribonuclease (RNase H) RT
Viral replication Topology DNA topoisomerase dsDNA
Viral replication Topology DNA ligase dsDNA
Viral replication Topology Helicase dsDNA
Viral replication Topology Holliday junction resolvase dsDNA
Viral replication Topology Integrase dsDNART
Viral replication Topology Transposase (DDE recombinase) dsDNA
Viral replication Nucleotide metabolism Thymidine kinase dsDNA Rhea:19129
Viral replication Nucleotide metabolism Thymidylate synthase dsDNA Rhea:12104
Viral replication Nucleotide metabolism Thymidylate kinase dsDNA Rhea:13517
Viral replication Nucleotide metabolism dUTP diphosphatase dsDNA Rhea:10248
Viral replication Nucleotide metabolism dihydrofolate reductase dsDNA Rhea:15009
Viral replication Nucleotide metabolism Ribonucleotide reductase dsDNA Rhea:23252
Viral replication Regulation E3 SUMO-protein ligase dsDNARiboviria
Viral transcription Transcriptase DNA dependent RNA polymerase (Transcriptase) dsDNA Rhea:21248
Viral transcription Transcriptase RNA dependent RNA polymerase (RNA replicase/transcriptase) Riboviria Rhea:21248
Viral transcription Transcriptase Proofreading exoribonuclease (ExoN) Riboviria
Viral transcription Viral mRNA capping Cell-type capping CelldsDNARiboviria Rhea:67004
Rhea:67012
Rhea:67008
Rhea:67020
Viral transcription Viral mRNA capping Alpha type capping Riboviria
Viral transcription Viral mRNA capping Nido-type capping Riboviria
Viral transcription Viral mRNA capping Mononega-type capping Riboviria
Viral transcription Viral mRNA capping VPG capping Riboviria
Viral transcription Viral mRNA capping Cap snatching Riboviria
Viral transcription Viral mRNA capping Toti-type cap snatching Riboviria
Viral transcription Viral mRNA capping FAD capping Riboviria
Viral transcription PolyAdenylation Poly(A) polymerase dsDNA Rhea:11332
Viral transcription PolyAdenylation RNA polymerase stuttering Riboviria Rhea:11332
Protein modification Proteases Cys/Ser-proteases dsDNARiboviria
Protein modification Proteases Asp-proteases dsDNART
Protein modification Proteases Metallo-proteases dsDNA
Protein modification Proteases Asparagine-proteases dsDNARiboviria
Protein modification Post translational modification Beta-1,6-N-acetyl-glucosaminyl transferase
Protein modification Post translational modification Peptide N-myristoyl transferase Rhea:15521
Protein modification Post translational modification thiol oxidase
Exit Budding Phospholipase dsDNA
Exit Virion release Neuraminidase Riboviria Neuraminidase inhibitors
Viral-Host modulation Anti-viral evasion Polyuridine endonuclease Riboviria
Viral-Host modulation Anti-viral evasion Viral ADP-Ribosylhydrolase Riboviria
Viral-Host modulation Anti-viral evasion Asparagine deaminase
Viral-Host modulation Anti-viral evasion Ser/Thr kinase
Viral-Host modulation Anti-viral evasion Tyr kinase
Viral-Host modulation Anti-viral evasion Ubiquitin transferase=Ubiquitin-conjugating enzyme E2
Viral-Host modulation Anti-viral evasion ubiquitinyl hydrolase
Viral-Host modulation Anti-viral evasion Tyr/ser/thr phosphatase
Viral-Host modulation Anti-viral evasion 2',3'-cGAMP endonuclease Rhea:59473
Viral-Host modulation Anti-viral evasion 3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase
Viral-Host modulation Anti-viral evasion ADP-ribose hydrolase Rhea:24076
Viral-Host modulation Host shut off mRNA-decapping

<div class="hidden> Unclassified Trans-prenyltransferase Unclassified Deoxyuridine 5'-triphosphate nucleotidohydrolase Unclassified Ribonucleoside-diphosphate reductase Unclassified FAD-linked sulfhydryl oxidase Nucleoside triphosphatase pox (Alkaline nuclease) endonuclease herpes dUTP nucleo-tidohydrolase herpes Uracyl-DNA glycosidase herpes
ADP-ribose hydrolase