3u5p

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Template:STRUCTURE 3u5p

Contents

Crystal structure of the complex of TRIM33 PHD-Bromo and H3(1-28)K9me3K14acK18acK23ac histone peptide

Template:ABSTRACT PUBMED 22196728

Disease

[TRI33_HUMAN] Papillary or follicular thyroid carcinoma. The disease is caused by mutations affecting the gene represented in this entry. A chromosomal aberration involving TRIM33 is found in thyroid papillary carcinomas. Translocation t(1;10)(p13;q11) with RET. The translocation generates the TRIM33/RET (PTC7) oncogene.

Function

[TRI33_HUMAN] Acts as an E3 ubiquitin-protein ligase. Promotes SMAD4 ubiquitination, nuclear exclusion and degradation via the ubiquitin proteasome pathway. According to PubMed:16751102, does not promote a decrease in the level of endogenous SMAD4. May act as a transcriptional repressor. Inhibits the transcriptional response to TGF-beta/BMP signaling cascade. Plays a role in the control of cell proliferation. Its association with SMAD2 and SMAD3 stimulates erythroid differentiation of hematopoietic stem/progenitor (By similarity). Monoubiquitinates SMAD4 and acts as an inhibitor of SMAD4-dependent TGF-beta/BMP signaling cascade (Monoubiquitination of SMAD4 hampers its ability to form a stable complex with activated SMAD2/3 resulting in inhibition of TGF-beta/BMP signaling cascade).[1] [2] [3] [4]

About this Structure

3u5p is a 16 chain structure with sequence from Human. Full crystallographic information is available from OCA.

See Also

Reference

  • Xi Q, Wang Z, Zaromytidou AI, Zhang XH, Chow-Tsang LF, Liu JX, Kim H, Barlas A, Manova-Todorova K, Kaartinen V, Studer L, Mark W, Patel DJ, Massague J. A Poised Chromatin Platform for TGF-beta Access to Master Regulators. Cell. 2011 Dec 23;147(7):1511-24. PMID:22196728 doi:10.1016/j.cell.2011.11.032
  1. ↑ Venturini L, You J, Stadler M, Galien R, Lallemand V, Koken MH, Mattei MG, Ganser A, Chambon P, Losson R, de The H. TIF1gamma, a novel member of the transcriptional intermediary factor 1 family. Oncogene. 1999 Feb 4;18(5):1209-17. PMID:10022127 doi:http://dx.doi.org/10.1038/sj.onc.1202655
  2. ↑ Dupont S, Zacchigna L, Cordenonsi M, Soligo S, Adorno M, Rugge M, Piccolo S. Germ-layer specification and control of cell growth by Ectodermin, a Smad4 ubiquitin ligase. Cell. 2005 Apr 8;121(1):87-99. PMID:15820681 doi:http://dx.doi.org/S0092-8674(05)00107-8
  3. ↑ He W, Dorn DC, Erdjument-Bromage H, Tempst P, Moore MA, Massague J. Hematopoiesis controlled by distinct TIF1gamma and Smad4 branches of the TGFbeta pathway. Cell. 2006 Jun 2;125(5):929-41. PMID:16751102 doi:http://dx.doi.org/10.1016/j.cell.2006.03.045
  4. ↑ Dupont S, Mamidi A, Cordenonsi M, Montagner M, Zacchigna L, Adorno M, Martello G, Stinchfield MJ, Soligo S, Morsut L, Inui M, Moro S, Modena N, Argenton F, Newfeld SJ, Piccolo S. FAM/USP9x, a deubiquitinating enzyme essential for TGFbeta signaling, controls Smad4 monoubiquitination. Cell. 2009 Jan 9;136(1):123-35. doi: 10.1016/j.cell.2008.10.051. PMID:19135894 doi:http://dx.doi.org/10.1016/j.cell.2008.10.051

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