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SAP18
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For Research Use Only. Not For Clinical Use.
Background
Histone acetylation plays a key role in the regulation of eukaryotic gene expression. Histone acetylation and deacetylation are catalyzed by multisubunit complexes. The protein encoded by this gene is a component of the histone deacetylase complex, which includes SIN3, SAP30, HDAC1, HDAC2, RbAp46, RbAp48, and other polypeptides. This protein directly interacts with SIN3 and enhances SIN3-mediated transcriptional repression when tethered to the promoter. A pseudogene has been identified on chromosome 2.
Protein class
Transporters
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
Found in a mRNA splicing-dependent exon junction complex (EJC). Component of the heterotrimeric ASAP (apoptosis- and splicing-associated protein) and PSAP complexes consisting of RNPS1, SAP18 and either ACIN1 or PNN, respectively; the ASAP and PSAP complexes probably are formed mutually exclusive. For the ASAP complex, the association of SAP18 seems to require a preformed RNPS1:ACIN1 complex. Forms a complex with SIN3A and HDAC1. Interacts with SUFU.
Molecular function
Repressor
More Types Infomation