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1nu4

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==U1A RNA binding domain at 1.8 angstrom resolution reveals a pre-organized C-terminal helix==
==U1A RNA binding domain at 1.8 angstrom resolution reveals a pre-organized C-terminal helix==
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<StructureSection load='1nu4' size='340' side='right' caption='[[1nu4]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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<StructureSection load='1nu4' size='340' side='right'caption='[[1nu4]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1nu4]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NU4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1NU4 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1nu4]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NU4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1NU4 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MLA:MALONIC+ACID'>MLA</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1urn|1urn]], [[1nrc|1nrc]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MLA:MALONIC+ACID'>MLA</scene></td></tr>
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<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=1nu4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nu4 OCA], [http://pdbe.org/1nu4 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1nu4 RCSB], [http://www.ebi.ac.uk/pdbsum/1nu4 PDBsum]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1nu4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nu4 OCA], [https://pdbe.org/1nu4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1nu4 RCSB], [https://www.ebi.ac.uk/pdbsum/1nu4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1nu4 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/SNRPA_HUMAN SNRPA_HUMAN]] Binds stem loop II of U1 snRNA. It is the first snRNP to interact with pre-mRNA. This interaction is required for the subsequent binding of U2 snRNP and the U4/U6/U5 tri-snRNP. In a snRNP-free form (SF-A) may be involved in coupled pre-mRNA splicing and polyadenylation process. Binds preferentially to the 5'-UGCAC-3' motif in vitro.<ref>PMID:9848648</ref>
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[https://www.uniprot.org/uniprot/SNRPA_HUMAN SNRPA_HUMAN] Binds stem loop II of U1 snRNA. It is the first snRNP to interact with pre-mRNA. This interaction is required for the subsequent binding of U2 snRNP and the U4/U6/U5 tri-snRNP. In a snRNP-free form (SF-A) may be involved in coupled pre-mRNA splicing and polyadenylation process. Binds preferentially to the 5'-UGCAC-3' motif in vitro.<ref>PMID:9848648</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nu/1nu4_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nu/1nu4_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
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[[Category: Amare, A R.Ferre-D]]
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[[Category: Large Structures]]
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[[Category: Rupert, P B]]
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[[Category: Ferre-D'Amare AR]]
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[[Category: Xiao, H]]
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[[Category: Rupert PB]]
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[[Category: Rna binding domain]]
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[[Category: Xiao H]]
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[[Category: Rna binding protein]]
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[[Category: Rna recognition motif]]
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[[Category: U1 small nuclear ribonucleoprotein]]
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Current revision

U1A RNA binding domain at 1.8 angstrom resolution reveals a pre-organized C-terminal helix

PDB ID 1nu4

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