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Table 1.

Overview of the epigenetic machinery

Writing Erasing Reading Preserving Remodeling
Histone acetylation Histone acetyl-transferases (e.g., KAT6B,a p300/CBP) Histone deacetylase complexes (e.g., ARID4A,a HDAC1, HDAC2, HDAC3, HDAC4, HDAC6) BET bromodomain proteins (e.g., BRD4, BRD2, BRD3) Unknown SWI/SNF remodeling complexes (e.g., CHD1,a CHD3,a CHD8,a ARID1A,a ARID2,a SMARCA1,a SMARCAD1,a ATRXa)
Histone methylation Histone methyl-transferases (e.g., KMT2C,a KMT2D,a KMT2A,a SETD2,a SETDB1,a EZH2, DOT1L) Histone demethylases (e.g., KDM6A,a KDM1A, KDM4B, KDM4C, KDM2A) Chromodomain, PHD finger proteins UHRF1, unknown Mi2-NuRD remodeling complex (CHD3,a CHD4)
DNA methylation DNA methyl-transferases (e.g., DNMT1, DNMT3A, DNMT3B) TET enzymes, BER machinery, and modifiers (e.g., IDH1,a,b TET1, TET2,a TET3, TDG) MBD, zinc finger proteins (e.g., MBD1,a MBD2, MECP2, ZBTB33) UHRF1, DNMT1 Variant histones (e.g., H2A.x, H2A.z, H3.3)

Multiple epigenetic machinery proteins have recurrent driver gene mutations in prostate cancer.

aGenes recurrently harboring driver gene mutations in prostate cancer. Most of the mutations are putative loss-of-function, with the exception of IDH1. Genes that are frequently altered in expression in prostate cancer are shown in italics alone (without superscript).

bIDH1 is not directly involved in DNA demethylation activity, but recurrent hotspot mutations redirect the activity of IDH1 to generate the metabolite 2-hydroxyglutarate, which can inhibit α-ketoglutarate-dependent oxygenases, including the TET family of enzymes involved in DNA demethylation.