| PHO23 Probable component of the Rpd3 histone deacetylase complex, involved in transcriptional regulation of PHO5; C-terminus has similarity to human candidate tumor suppressor p33(ING1)
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| SAP30 Subunit of a histone deacetylase complex, along with Rpd3p and Sin3p, that is involved in silencing at telomeres, rDNA, and silent mating-type loci; involved in telomere maintenance
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| RCO1 Essential subunit of the histone deacetylase Rpd3S complex; interacts with Eaf3p
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| CTI6 RXT1 Protein that relieves transcriptional repression by binding to the Cyc8p-Tup1p corepressor and recruiting the SAGA complex to the repressed promoter; contains a PHD finger domain
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| UME1 WTM3 Negative regulator of meiosis, required for repression of a subset of meiotic genes during vegetative growth, binding of histone deacetylase Rpd3p required for activity, contains a NEE box and a WD repeat motif; homologous with Wtm1p, Wtm2p
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| UME6 CAR80|NIM2|RIM16 Key transcriptional regulator of early meiotic genes, binds URS1 upstream regulatory sequence, couples metabolic responses to nutritional cues with initiation and progression of meiosis, forms complex with Ime1p, and also with Sin3p-Rpd3p
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| RXT2 RAF60 Subunit of the histone deacetylase Rpd3L complex; possibly involved in cell fusion and invasive growth
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| RXT3 Protein of unknown function, may be involved in chromatin silencing
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| SIN3 CPE1|GAM2|RPD1|SDI1|SDS16|UME4 Component of the Sin3p-Rpd3p histone deacetylase complex, involved in transcriptional repression and activation of diverse processes, including mating-type switching and meiosis; involved in the maintenance of chromosomal integrity
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| EAF3 Esa1p-associated factor, nonessential component of the NuA4 acetyltransferase complex, homologous to Drosophila dosage compensation protein MSL3
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| DEP1 FUN54 Transcriptional modulator involved in regulation of structural phospholipid biosynthesis genes and metabolically unrelated genes, as well as maintenance of telomeres, mating efficiency, and sporulation
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| RPD3 MOF6|REC3|SDI2|SDS6 Histone deacetylase; regulates transcription and silencing
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| SDS3 Component of the Rpd3p/Sin3p deacetylase complex required for its structural integrity and catalytic activity, involved in transcriptional silencing and required for sporulation; cells defective in SDS3 display pleiotropic phenotypes
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