3h91

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[[Image:3h91.png|left|200px]]
 
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{{STRUCTURE_3h91| PDB=3h91 | SCENE= }}
{{STRUCTURE_3h91| PDB=3h91 | SCENE= }}
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===Crystal structure of the complex of human chromobox homolog 2 (CBX2) and H3K27 peptide===
===Crystal structure of the complex of human chromobox homolog 2 (CBX2) and H3K27 peptide===
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{{ABSTRACT_PUBMED_21047797}}
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{{ABSTRACT_PUBMED_21047797}}
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==Disease==
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[[http://www.uniprot.org/uniprot/CBX2_HUMAN CBX2_HUMAN]] Defects in CBX2 are the cause of 46,XY sex reversal type 5 (SRXY5) [MIM:[http://omim.org/entry/613080 613080]]. It is a disorder of sex development. Affected individuals have a 46,XY karyotype but present as phenotypically normal females.<ref>PMID:19361780</ref>
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==Function==
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[[http://www.uniprot.org/uniprot/CBX2_HUMAN CBX2_HUMAN]] Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility. Involved in sexual development, acting as activator of NR5A1 expression.<ref>PMID:19361780</ref><ref>PMID:21282530</ref>
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:021047797</ref><references group="xtra"/>
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<ref group="xtra">PMID:021047797</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Amaya, M F.]]
[[Category: Amaya, M F.]]

Revision as of 18:47, 24 March 2013

Template:STRUCTURE 3h91

Contents

Crystal structure of the complex of human chromobox homolog 2 (CBX2) and H3K27 peptide

Template:ABSTRACT PUBMED 21047797

Disease

[CBX2_HUMAN] Defects in CBX2 are the cause of 46,XY sex reversal type 5 (SRXY5) [MIM:613080]. It is a disorder of sex development. Affected individuals have a 46,XY karyotype but present as phenotypically normal females.[1]

Function

[CBX2_HUMAN] Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility. Involved in sexual development, acting as activator of NR5A1 expression.[2][3]

About this Structure

3h91 is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Kaustov L, Ouyang H, Amaya M, Lemak A, Nady N, Duan S, Wasney GA, Li Z, Vedadi M, Schapira M, Min J, Arrowsmith CH. Recognition and specificity determinants of the human cbx chromodomains. J Biol Chem. 2011 Jan 7;286(1):521-9. Epub 2010 Nov 3. PMID:21047797 doi:10.1074/jbc.M110.191411
  1. ↑ Biason-Lauber A, Konrad D, Meyer M, DeBeaufort C, Schoenle EJ. Ovaries and female phenotype in a girl with 46,XY karyotype and mutations in the CBX2 gene. Am J Hum Genet. 2009 May;84(5):658-63. doi: 10.1016/j.ajhg.2009.03.016. Epub 2009, Apr 9. PMID:19361780 doi:10.1016/j.ajhg.2009.03.016
  2. ↑ Biason-Lauber A, Konrad D, Meyer M, DeBeaufort C, Schoenle EJ. Ovaries and female phenotype in a girl with 46,XY karyotype and mutations in the CBX2 gene. Am J Hum Genet. 2009 May;84(5):658-63. doi: 10.1016/j.ajhg.2009.03.016. Epub 2009, Apr 9. PMID:19361780 doi:10.1016/j.ajhg.2009.03.016
  3. ↑ Vandamme J, Volkel P, Rosnoblet C, Le Faou P, Angrand PO. Interaction proteomics analysis of polycomb proteins defines distinct PRC1 complexes in mammalian cells. Mol Cell Proteomics. 2011 Apr;10(4):M110.002642. doi: 10.1074/mcp.M110.002642., Epub 2011 Jan 31. PMID:21282530 doi:10.1074/mcp.M110.002642

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