Anti-ING3 Antibody, clone 2A2 clone 2A2, from mouse

Inhibitor of growth protein 3 (UniProt: Q9NXR8; also known as ING3, p47ING3) is encoded by the ING3 (also known as HSPC301) gene (Gene ID 54556) in human. ING3 is a ~50 kDa protein that belongs to a family of proteins that contain PHD-finger domain and act as readers of the epigenetic code through specific recognition of trimethylated lysine 4 of histone H3. ING3 is a component of the NuA4 histone acetyltransferase (HAT) complex, which is involved in transcriptional activation of select genes, principally by acetylation of nucleosomal histones H4 and H2A. This complex is also shown to activate p53 trans-activated promoters, including promoters of p21/waf1 and bax. ING3 is highly expressed in small intestine, bone marrow, epidermis, and in tissues where cells undergo rapid proliferation and renewal and its expression is shown to be higher in proliferating cells. Overexpression of ING3 has been shown to inhibit cell growth and induce apoptosis. ING3 is reported to be down-regulated in squamous cell carcinoma of the head and neck.