Catalytic activity:Hydrolysis of an N (6) -acetyl-lysine residue of a histone to yield a deacetylated histone. ,Function:Forms transcriptional repressor complexes by associating with MAD , SIN3 , YY1 and N-COR. Interacts in the late S-phase of DNA-replication with DNMT1 in the other transcriptional repressor complex composed of DNMT1 , DMAP1 , PCNA , CAF1. ,Function:Responsible for the deacetylation of lysine residues on the N-terminal part of the core histones (H2A , H2B , H3 and H4) . Histone deacetylation gives a tag for epigenetic repression and plays an important role in transcriptional regulation , cell cycle progression and developmental events. Histone deacetylases act via the formation of large multiprotein complexes. ,sequence Caution:Intron retention. ,similarity:Belongs to the histone deacetylase family. Type 1 subfamily. ,subunit:Interacts with the non-histone region of H2AFY (By similarity) . Part of the core histone deacetylase (HDAC) complex composed of HDAC1 , HDAC2 , RBBP4 and RBBP7. The core complex associates with MTA2 , MBD3 , MTA1L1 , CHD3 and CHD4 to form the nucleosome remodeling and histone deacetylation (NuRD) complex , or with SIN3 , SAP18 and SAP30 to form the SIN3 HDAC complex. Component of a BHC histone deacetylase complex that contains HDAC1 , HDAC2 , HMG20B/BRAF35 , AOF2/LSD1 , RCOR1/CoREST and PHF21A/BHC80. The BHC complex may also contain ZMYM2 , ZNF217 , ZMYM3 , GSE1 and GTF2I. Part of a complex containing the core histones H2A , H2B , H3 and H4 , DEK and unphosphorylated DAXX. Part of a complex containing ATR and CHD4. Forms a heterologous complex at least with YY1. Interacts with ATR , DNMT1 , MINT , HDAC7 , HDAC10 , HCFC1 , NRIP1 , MJD2A/JHDM3A , PRDM6 , SAP30 , SETDB1 and SUV39H1. Interacts with the non-histone region of H2AFY. Interacts with PELP1. Component of a mSin3A corepressor complex that contains SIN3A , SAP130 , SUDS3/SAP45 , ARID4B/SAP180 , HDAC1 and HDAC2. Interacts with CBFA2T3. Interacts with SAP30L. ,tissue specificity:Widely expressed; lower levels in brain and lung. ,
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