The nuclear receptor coactivator 2 also known as NCoA-2 is a protein that in humans is encoded by the NCOA2 gene. NCoA-2 is also frequently called glucocorticoid receptor-interacting protein 1 (GRIP1), steroid receptor coactivator-2 (SRC-2), or transcriptional mediators/intermediary factor 2 (TIF2).
NCoA-2 is a transcriptional coregulatory protein that contains several nuclear receptor interacting domains and an intrinsic histone acetyltransferase activity. NCOA2 is recruited to DNA promotion sites by ligand-activated nuclear receptors. NCOA2 in turn acetylates histones, which makes downstream DNA more accessible to transcription. Hence, NCOA2 assists nuclear receptors in the upregulation of DNA expression.[1][2]
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↑Wyszynski M, Kim E, Dunah AW, Passafaro M, Valtschanoff JG, Serra-Pagès C, Streuli M, Weinberg RJ, Sheng M (2002). "Interaction between GRIP and liprin-alpha/SYD2 is required for AMPA receptor targeting". Neuron. 34 (1): 39–52. doi:10.1016/S0896-6273(02)00640-2. PMID11931740.
↑Kodera Y, Takeyama K, Murayama A, Suzawa M, Masuhiro Y, Kato S (2000). "Ligand type-specific interactions of peroxisome proliferator-activated receptor gamma with transcriptional coactivators". J. Biol. Chem. 275 (43): 33201–4. doi:10.1074/jbc.C000517200. PMID10944516.
↑ 20.020.1Zhang C, Baudino TA, Dowd DR, Tokumaru H, Wang W, MacDonald PN (2001). "Ternary complexes and cooperative interplay between NCoA-62/Ski-interacting protein and steroid receptor coactivators in vitamin D receptor-mediated transcription". J. Biol. Chem. 276 (44): 40614–20. doi:10.1074/jbc.M106263200. PMID11514567.
↑Lee WY, Noy N (2002). "Interactions of RXR with coactivators are differentially mediated by helix 11 of the receptor's ligand binding domain". Biochemistry. 41 (8): 2500–8. doi:10.1021/bi011764. PMID11851396.
↑Herdick M, Steinmeyer A, Carlberg C (2000). "Antagonistic action of a 25-carboxylic ester analogue of 1alpha, 25-dihydroxyvitamin D3 is mediated by a lack of ligand-induced vitamin D receptor interaction with coactivators". J. Biol. Chem. 275 (22): 16506–12. doi:10.1074/jbc.M910000199. PMID10748178.
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Wang JC, Stafford JM, Granner DK (1998). "SRC-1 and GRIP1 coactivate transcription with hepatocyte nuclear factor 4". J. Biol. Chem. 273 (47): 30847–50. doi:10.1074/jbc.273.47.30847. PMID9812974.
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Chen D, Ma H, Hong H, Koh SS, Huang SM, Schurter BT, Aswad DW, Stallcup MR (1999). "Regulation of transcription by a protein methyltransferase". Science. 284 (5423): 2174–7. doi:10.1126/science.284.5423.2174. PMID10381882.
Xie W, Hong H, Yang NN, Lin RJ, Simon CM, Stallcup MR, Evans RM (2000). "Constitutive activation of transcription and binding of coactivator by estrogen-related receptors 1 and 2". Mol. Endocrinol. 13 (12): 2151–62. doi:10.1210/me.13.12.2151. PMID10598588.
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Herdick M, Steinmeyer A, Carlberg C (2000). "Antagonistic action of a 25-carboxylic ester analogue of 1alpha, 25-dihydroxyvitamin D3 is mediated by a lack of ligand-induced vitamin D receptor interaction with coactivators". J. Biol. Chem. 275 (22): 16506–12. doi:10.1074/jbc.M910000199. PMID10748178.
Kodera Y, Takeyama K, Murayama A, Suzawa M, Masuhiro Y, Kato S (2000). "Ligand type-specific interactions of peroxisome proliferator-activated receptor gamma with transcriptional coactivators". J. Biol. Chem. 275 (43): 33201–4. doi:10.1074/jbc.C000517200. PMID10944516.
Koh SS, Chen D, Lee YH, Stallcup MR (2001). "Synergistic enhancement of nuclear receptor function by p160 coactivators and two coactivators with protein methyltransferase activities". J. Biol. Chem. 276 (2): 1089–98. doi:10.1074/jbc.M004228200. PMID11050077.
Park JJ, Irvine RA, Buchanan G, Koh SS, Park JM, Tilley WD, Stallcup MR, Press MF, Coetzee GA (2000). "Breast cancer susceptibility gene 1 (BRCAI) is a coactivator of the androgen receptor". Cancer Res. 60 (21): 5946–9. PMID11085509.