2n1d

From Proteopedia

(Difference between revisions)

Revision as of 09:03, 26 December 2018

Solution structure of the MRG15-MRGBP complex

Structural highlights

2n1d is a 2 chain structure with sequence from Human. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Related:	2lkm
Gene:	MRGBP, C20orf20 (HUMAN), MORF4L1, MRG15, FWP006, HSPC008, HSPC061, PP368 (HUMAN)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[MRGBP_HUMAN] 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 modification may both alter nucleosome - DNA interactions and promote interaction of the modified histones with other proteins which positively regulate transcription. This complex may be required for the activation of transcriptional programs associated with oncogene and proto-oncogene mediated growth induction, tumor suppressor mediated growth arrest and replicative senescence, apoptosis, and DNA repair. NuA4 may also play a direct role in DNA repair when recruited to sites of DNA damage. [MO4L1_HUMAN] 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 modification may both alter nucleosome - DNA interactions and promote interaction of the modified histones with other proteins which positively regulate transcription. This complex may be required for the activation of transcriptional programs associated with oncogene and proto-oncogene mediated growth induction, tumor suppressor mediated growth arrest and replicative senescence, apoptosis, and DNA repair. The NuA4 complex ATPase and helicase activities seem to be, at least in part, contributed by the association of RUVBL1 and RUVBL2 with EP400. NuA4 may also play a direct role in DNA repair when directly recruited to sites of DNA damage. Also component of the mSin3A complex which acts to repress transcription by deacetylation of nucleosomal histones. Required for homologous recombination repair (HRR) and resistance to mitomycin C (MMC). Involved in the localization of PALB2, BRCA2 and RAD51, but not BRCA1, to DNA-damage foci.^[1] ^[2]

Publication Abstract from PubMed

Chromatin-binding proteins play vital roles in the assembly and recruitment of multi-subunit complexes harboring effector proteins to specific genomic loci. MRG15, a chromodomain-containing chromatin-binding protein, recruits diverse chromatin-associated complexes that regulate gene transcription, DNA repair, and RNA splicing. Previous studies with Pf1, another chromatin-binding subunit of the Sin3S/Rpd3S histone deacetylase complex, defined the sequence and structural requirements for interactions with the MRG15 MRG domain, a common target of diverse subunits in the aforementioned complexes. We now show that MRGBP, a member of the Tip60/NuA4 histone acetyltransferase complex, engages the same two surfaces of the MRG domain as Pf1. High-affinity interactions occur via a bipartite structural motif including an FxLP sequence motif. MRGBP shares little sequence and structural similarity with Pf1, yet targets similar pockets on the surface of the MRG domain, mimicking Pf1 in its interactions. Our studies shed light onto how MRG domains have evolved to bind diverse targets.

Structural Basis for Multi-specificity of MRG Domains.,Xie T, Zmyslowski AM, Zhang Y, Radhakrishnan I Structure. 2015 Apr 29. pii: S0969-2126(15)00124-0. doi:, 10.1016/j.str.2015.03.020. PMID:25960410^[3]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Doyon Y, Selleck W, Lane WS, Tan S, Cote J. Structural and functional conservation of the NuA4 histone acetyltransferase complex from yeast to humans. Mol Cell Biol. 2004 Mar;24(5):1884-96. PMID:14966270
↑ Hayakawa T, Zhang F, Hayakawa N, Ohtani Y, Shinmyozu K, Nakayama J, Andreassen PR. MRG15 binds directly to PALB2 and stimulates homology-directed repair of chromosomal breaks. J Cell Sci. 2010 Apr 1;123(Pt 7):1124-30. doi: 10.1242/jcs.060178. PMID:20332121 doi:http://dx.doi.org/10.1242/jcs.060178
↑ Xie T, Zmyslowski AM, Zhang Y, Radhakrishnan I. Structural Basis for Multi-specificity of MRG Domains. Structure. 2015 Apr 29. pii: S0969-2126(15)00124-0. doi:, 10.1016/j.str.2015.03.020. PMID:25960410 doi:http://dx.doi.org/10.1016/j.str.2015.03.020

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/2n1d"

@@ Line 3: / Line 3: @@
 <StructureSection load='2n1d' size='340' side='right' caption='[[2n1d]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[2n1d]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2N1D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2N1D FirstGlance]. <br>
+<table><tr><td colspan='2'>[[2n1d]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2N1D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2N1D FirstGlance]. <br>
 </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2lkm|2lkm]]</td></tr>
+<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MRGBP, C20orf20 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), MORF4L1, MRG15, FWP006, HSPC008, HSPC061, PP368 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
 <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2n1d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2n1d OCA], [http://pdbe.org/2n1d PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2n1d RCSB], [http://www.ebi.ac.uk/pdbsum/2n1d PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2n1d ProSAT]</span></td></tr>
 </table>
@@ Line 22: / Line 23: @@
 __TOC__
 </StructureSection>
+[[Category: Human]]
 [[Category: Radhakrishnan, I]]
 [[Category: Xie, T]]

2n1d

From Proteopedia

Revision as of 09:03, 26 December 2018

Solution structure of the MRG15-MRGBP complex

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

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