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SIN3A Polyclonal Antibody

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Western blot analysis of extracts of various cell lines, using SIN3A Polyclonal Antibody.
Immunofluorescence analysis of U2OS cell using SIN3A Polyclonal Antibody. Blue: DAPI for nuclear staining.
Application: ChIP, IF, IP, WB
Areas of Research: Chromatin Remodeling, Histone Acetylation & Deacetylation
Clonality: Polyclonal
Conjugate: Unconjugated
Host: Rabbit
Isotype: IgG
Purification: Affinity Purified
Reactivity: Human, Mouse
100% Guarantee: 6 months
Catalog No.SizePriceQty
A-2704-05050 µl $189.00 
A-2704-100100 µl $299.00 
Availability: Usually Ships in 3-4 Days 
Product Overview

Background
SIN3 was originally identified as a negative regulator of transcription in budding yeast. Since then, three isoforms of the SIN3 proteins have been identified in mammalian cells, as products of two different genes, SIN3A and SIN3B. Both SIN3A and SIN3B are nuclear proteins that function as scaffolding subunits for the multi-subunit SIN3 transcriptional repressor complex, containing SIN3A or SIN3B, HDAC1, HDAC2, SDS3, RBBP4/RBAP48, RBBP7/RBAP46, SAP30, and SAP18. SIN3 proteins contain four paired amphipathic alpha-helix (PAH) motifs that function in the recruitment of the SIN3 complex to target genes by binding a multitude of DNA-binding transcriptional repressor proteins, including Mad1, p53, E2F4, HCF-1, AML1, Elk-1, NRSF, CTCF, ERalpha, and MeCP2. In addition, SIN3 proteins contain an HDAC interaction domain (HID), which mediates binding of HDAC1 and HDAC2 via the SDS3 bridging protein, and a highly conserved region (HCR) at the carboxy terminus, which contributes to repressor protein binding. RBBP4 and RBBP7 proteins also bind to SDS3 and contribute to nucleosome binding of the complex. The SIN3 complex functions to repress transcription, in part, by deacetylating histones at target gene promoters. In addition, recent studies have shown that SIN3 is recruited to the coding regions of repressed and active genes, where it deacetylates histones and suppresses spurious transcription by RNA polymerase II. In addition to histone deacetylase activity, the SIN3 complex associates with histone methyltransferase (ESET), histone demethylase (JARID1A/RBP2), ATP-dependent chromatin remodeling (SWI/SNF), methylcytosine dioxygenase (TET1), and O-GlcNAc transferase (OGT) activities, all of which appear to contribute to the regulation of target genes. The SIN3 complex is critical for proper regulation of embryonic development, cell growth and proliferation, apoptosis, DNA replication, DNA repair, and DNA methylation (imprinting and X-chromosome inactivation).

Description
SIN3A Polyclonal Antibody. Unconjugated. Raised in: Rabbit.

Specificity
Human, Mouse

Isotype
IgG

Uniprot ID
Q96ST3

Purification
Affinity Purified

Immunogen
Recombinant Protein of Human SIN3A

Storage
Shipped at 4°C. Store at -20°C. Avoid multiple freeze/thaw cycles.

Alternative Names
DKFZp434K2235, FLJ90319, KIAA0700

Application
WB, IF, IP, ChIP

User Guide & MSDS

[User Guide]*
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