Kinase
Phosphatase
Protease
GTPase
Oxidase
Hydrolase
Carboxylase
Nucleotidase
DNA polymerase
Phosphohydrolyase
Nicotinamide
Phosphoribosyltransferase
³H– labeled ligand binding assay
SPA assay
Fluorescence polarization assay
Writers
Histone methyltransferase
Histone acetyltransferase
Protein arginine methyltransferase: eg. MTA-cooperative PRMT5 assays
RNA modification gene: eg. METTL3/14 assay
Poly(ADP)-ribose polymerase: PARPs
Erasers
Demethylase: eg. HDACs, KDMs
Deubiquitinase: eg. DUB
Readers
Bromo domain containing protein binding partner assays: eg. BRDs