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HDAC1

Histone acetylation and deacetylation, catalyzed by multisubunit complexes, play a key role in the regulation of eukaryotic gene expression. The protein encoded by this gene belongs to the histone deacetylase/acuc/apha family and is a component of the histone deacetylase complex. It also interacts with retinoblastoma tumor-suppressor protein and this complex is a key element in the control of cell proliferation and differentiation. Together with metastasis-associated protein-2, it deacetylates p53 and modulates its effect on cell growth and apoptosis. [provided by RefSeq, Jul 2008]
Protein class

Enzymes, FDA approved drug targets, Plasma proteins

Predicted location

Intracellular

Single cell type specificity

Low cell type specificity

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Part of the core histone deacetylase (HDAC) complex composed of HDAC1, HDAC2, RBBP4 and RBBP7 (PubMed:12493763, 12724404, 19061646). The core complex associates with MTA2, MBD2, 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 (PubMed:11102443). Component of a BHC histone deacetylase complex that contains HDAC1, HDAC2, HMG20B/BRAF35, KDM1A, RCOR1/CoREST and PHF21A/BHC80 (PubMed:12493763). The BHC complex may also contain ZMYM2, ZNF217, ZMYM3, GSE1 and GTF2I (PubMed:12493763). Component of a mSin3A corepressor complex that contains SIN3A, SAP130, SUDS3/SAP45, ARID4B/SAP180, HDAC1 and HDAC2 (PubMed:12724404). Found in a trimeric complex with APBB1 and TSHZ3; the interaction between HDAC1 and APBB1 is mediated by TSHZ3 (PubMed:19343227). Interacts with TSHZ3 (via N-terminus); the interaction is direct (PubMed:19343227). Component of a RCOR/GFI/KDM1A/HDAC complex (By similarity). Part of a complex composed of TRIM28, HDAC1, HDAC2 and EHMT2 (PubMed:17704056). Part of a complex containing at least CDYL, MIER1, MIER2, HDAC1 and HDAC2 (PubMed:19061646). The large PER complex involved in the histone deacetylation is composed of at least HDAC1, PER2, SFPQ and SIN3A (By similarity). Associates with the 9-1-1 complex; interacts with HUS1 (PubMed:10846170). Found in a complex with DNMT3A and HDAC7 (By similarity). Interacts with the non-histone region of MACROH2A1 (By similarity). Interacts with TRIM28; the interaction recruits HDAC1 to E2F1 and inhibits its acetylation (PubMed:17704056). Interacts with SP1; the interaction deacetylates SP1 and regulates its transcriptional activity (PubMed:16478997). Interacts with SP3; the interaction deacetylates SP3 and regulates its transcriptional activity (PubMed:12837748, 17548428). In vitro, C(18) ceramides increase this interaction and the subsequent SP3 deacetylation and SP3-mediated repression of the TERT promoter (PubMed:12837748, 17548428). Interacts with APEX1; the interaction is not dependent on the acetylated status of APEX1 (PubMed:14633989). Interacts with C10orf90/FATS (via its N-terminal); the interaction prevents binding of HDAC1 to CDKN1A/p21 and facilitates the acetylation and stabilization of CDKN1A/p21 (By similarity). Interacts with CDKN1A/p21 (By similarity). Interacts with CDK5 complexed to CDK5R1 (p25) (By similarity). Interacts directly with GFI1 and GFI1B (By similarity). Interacts with NR1D2 (via C-terminus) (PubMed:17996965). Interacts with TSC22D3 isoform 1; this interaction affects HDAC1 activity on MYOG promoter and thus inhibits MYOD1 transcriptional activity (By similarity). Interacts with BAZ2A/TIP5, BANP, BCL6, BCOR, BHLHE40/DEC1, BRMS1, BRMS1L, CBFA2T3, CHFR, CIART, CRY1, DAXX, DDIT3/CHOP, DDX5, DNMT1, E4F1, EP300, HCFC1, HDAC9, INSM1, NFE4, NR4A2/NURR1, MIER1, KDM4A, KDM5B, KLF1, MINT, NRIP1, PCAF, PHB2, PRDM6, PRDM16, RB1, RERE, SAMSN1, SAP30L, SETDB1, SMAD3, SMARCAD1, SMARCA4/BRG1, SMYD2, SUV39H1, TGIF, TGIF2, TRAF6, UHRF1, UHRF2, ZMYND15, ZNF431 and ZNF541 (PubMed:10669754, 17369852, 19081374, 19182791, 21549307, 11331609, 11006275, 10846170, 12730668, 18093978, 11533236, 10898795, 10655483, 16569215, 16820529, 17872950, 12670868, 21829689, 10487760, 11427533, 19049980, 15273251, 15361834, 17373667, 16166625, 15454082, 17000776, 15927959, 15451426, 12482978). Interacts with KDM5A; this interaction impairs histone deacetylation (By similarity). Interacts with DNTTIP1 (PubMed:25653165). Identified in a histone deacetylase complex that contains DNTTIP1, HDAC1 and MIDEAS; this complex assembles into a tetramer that contains four copies of each protein chain (PubMed:25653165). Interacts with CCAR2 (PubMed:21030595). Interacts with PPHLN1 (PubMed:17963697). Found in a complex with YY1, SIN3A and GON4L (By similarity). Interacts with CHD4 (PubMed:27616479). Found in a complex composed of at least SINHCAF, SIN3A, HDAC1, SAP30, RBBP4, OGT and TET1 (By similarity). Interacts with SIN3A (By similarity). Interacts with DHX36; this interaction occurs in a RNA-dependent manner (PubMed:18279852). Interacts with ZBTB7A (PubMed:25514493). Interacts with SMAD4; positively regulated by ZBTB7A (PubMed:25514493). Interacts with PACS2 (PubMed:29656858). Forms a complex comprising APPL1, RUVBL2, APPL2, CTNNB1 and HDAC2 (PubMed:19433865). Interacts with ZNF638 (PubMed:30487602). Interacts with SPHK2 (PubMed:19729656). Interacts with ERCC6 (PubMed:26030138). Interacts with NSD2 (By similarity). Interacts with SMYD4 (via MYND-type zinc finger) (PubMed:30110327). Interacts with PWWP2A in a MTA1-dependent manner (By similarity). Interacts with PWWP2B (By similarity). Interacts with ZNF516 and BRCC3; these interactions are enhanced in the presence of PWWP2B (By similarity). Interacts with SANBR (via the BTB domain) (By similarity). (Microbial infection) Interacts with SV40 large T antigen.

Molecular function

Chromatin regulator, Hydrolase, Repressor

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