Inhibitor of growth protein 4 is a protein that in humans is encoded by the ING4gene.[5][6]
Function
The protein encoded by this gene is similar to ING1, a tumor suppressor protein that can interact with TP53, inhibit cell growth, and induce apoptosis. This protein contains a PHD-finger, which is a common motif in proteins involved in chromatin remodeling. This protein can bind TP53 and EP300/p300, a component of the histone acetyl transferase complex, suggesting its involvement in the TP53-dependent regulatory pathway. Alternatively spliced transcript variants have been observed, but the biological validity of them has not been determined.[6]
^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
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Garkavtsev I, Kozin SV, Chernova O, Xu L, Winkler F, Brown E, Barnett GH, Jain RK (March 2004). "The candidate tumour suppressor protein ING4 regulates brain tumour growth and angiogenesis". Nature. 428 (6980): 328–32. Bibcode:2004Natur.428..328G. doi:10.1038/nature02329. PMID15029197. S2CID4427531.
Zhang X, Xu LS, Wang ZQ, Wang KS, Li N, Cheng ZH, Huang SZ, Wei DZ, Han ZG (July 2004). "ING4 induces G2/M cell cycle arrest and enhances the chemosensitivity to DNA-damage agents in HepG2 cells". FEBS Letters. 570 (1–3): 7–12. doi:10.1016/j.febslet.2004.06.010. PMID15251430. S2CID12379202.
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Zhang X, Wang KS, Wang ZQ, Xu LS, Wang QW, Chen F, Wei DZ, Han ZG (June 2005). "Nuclear localization signal of ING4 plays a key role in its binding to p53". Biochemical and Biophysical Research Communications. 331 (4): 1032–8. doi:10.1016/j.bbrc.2005.04.023. PMID15882981.
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