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==Structure of a rare, non-standard sequence k-turn bound by L7Ae protein==
==Structure of a rare, non-standard sequence k-turn bound by L7Ae protein==
<StructureSection load='4c4w' size='340' side='right' caption='[[4c4w]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
<StructureSection load='4c4w' size='340' side='right'caption='[[4c4w]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4c4w]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Arcfu Arcfu] and [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C4W OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4C4W FirstGlance]. <br>
<table><tr><td colspan='2'>[[4c4w]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Archaeoglobus_fulgidus_DSM_4304 Archaeoglobus fulgidus DSM 4304], [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Kneallhazia_solenopsae Kneallhazia solenopsae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C4W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4C4W FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2HP:DIHYDROGENPHOSPHATE+ION'>2HP</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.95&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4c40|4c40]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=2HP:DIHYDROGENPHOSPHATE+ION'>2HP</scene></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=4c4w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c4w OCA], [http://pdbe.org/4c4w PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4c4w RCSB], [http://www.ebi.ac.uk/pdbsum/4c4w PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4c4w ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4c4w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c4w OCA], [https://pdbe.org/4c4w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4c4w RCSB], [https://www.ebi.ac.uk/pdbsum/4c4w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4c4w ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[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> [[http://www.uniprot.org/uniprot/RL7A_ARCFU RL7A_ARCFU]] Multifunctional RNA-binding protein that recognizes the K-turn motif in ribosomal RNA, box H/ACA and box C/D sRNAs.<ref>PMID:12560482</ref> 
[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>  
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
*[[Nucleoprotein|Nucleoprotein]]
*[[Nucleoprotein 3D structures|Nucleoprotein 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Arcfu]]
[[Category: Archaeoglobus fulgidus DSM 4304]]
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Huang, L]]
[[Category: Kneallhazia solenopsae]]
[[Category: Lilley, D M.J]]
[[Category: Large Structures]]
[[Category: Kink turn]]
[[Category: Huang L]]
[[Category: Rna binding protein]]
[[Category: Lilley DMJ]]
[[Category: Rna binding protein-rna complex]]

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