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{{STRUCTURE_3llh|  PDB=3llh  |  SCENE=  }}
==Crystal structure of the first dsRBD of TAR RNA-binding protein 2==
===Crystal structure of the first dsRBD of TAR RNA-binding protein 2===
<StructureSection load='3llh' size='340' side='right' caption='[[3llh]], [[Resolution|resolution]] 2.14&Aring;' scene=''>
 
== Structural highlights ==
==Function==
<table><tr><td colspan='2'>[[3llh]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LLH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3LLH FirstGlance]. <br>
[[http://www.uniprot.org/uniprot/TRBP2_HUMAN TRBP2_HUMAN]] Required for formation of the RNA induced silencing complex (RISC). Component of the RISC loading complex (RLC), also known as the micro-RNA (miRNA) loading complex (miRLC), which is composed of DICER1, EIF2C2/AGO2 and TARBP2. Within the RLC/miRLC, DICER1 and TARBP2 are required to process precursor miRNAs (pre-miRNAs) to mature miRNAs and then load them onto EIF2C2/AGO2. EIF2C2/AGO2 bound to the mature miRNA constitutes the minimal RISC and may subsequently dissociate from DICER1 and TARBP2. May also play a role in the production of short interfering RNAs (siRNAs) from double-stranded RNA (dsRNA) by DICER1. Binds to the HIV-1 TAR RNA which is located in the long terminal repeat (LTR) of HIV-1, and stimulates translation of TAR-containing RNAs. This is achieved in part at least by binding to and inhibiting EIF2AK2/PKR, thereby reducing phosphorylation and inhibition of EIF2S1/eIF-2-alpha. May also promote translation of TAR-containing RNAs independently of EIF2AK2/PKR.<ref>PMID:12475984</ref> <ref>PMID:16271387</ref> <ref>PMID:16142218</ref> <ref>PMID:16357216</ref> <ref>PMID:15973356</ref> <ref>PMID:16424907</ref> <ref>PMID:17452327</ref> <ref>PMID:18178619</ref> <ref>PMID:19219043</ref>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MLI:MALONATE+ION'>MLI</scene></td></tr>
 
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">6895 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
==About this Structure==
<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=3llh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3llh OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3llh RCSB], [http://www.ebi.ac.uk/pdbsum/3llh PDBsum]</span></td></tr>
[[3llh]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LLH OCA].  
</table>
 
__TOC__
==Reference==
</StructureSection>
<references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Kawazoe, M.]]
[[Category: Kawazoe, M]]
[[Category: Sekine, S.]]
[[Category: Sekine, S]]
[[Category: Takemoto, C.]]
[[Category: Takemoto, C]]
[[Category: Wakiyama, M.]]
[[Category: Wakiyama, M]]
[[Category: Yamashita, S.]]
[[Category: Yamashita, S]]
[[Category: Yokoyama, S.]]
[[Category: Yokoyama, S]]
[[Category: Dsrbd]]
[[Category: Dsrbd]]
[[Category: Dsrm]]
[[Category: Dsrm]]
[[Category: Microrna]]
[[Category: Microrna]]
[[Category: Rna binding protein]]
[[Category: Rna binding protein]]

Revision as of 15:33, 18 December 2014

Crystal structure of the first dsRBD of TAR RNA-binding protein 2

3llh, resolution 2.14Å

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