9f4r

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<table><tr><td colspan='2'>[[9f4r]] is a 1 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=9F4R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9F4R FirstGlance]. <br>
<table><tr><td colspan='2'>[[9f4r]] is a 1 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=9F4R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9F4R FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.59&#8491;</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]] 1.59&#8491;</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=K3J:N-ethyl-6-methylpyridazin-3-amine'>K3J</scene></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=K3J:~{N}-ethyl-6-methyl-pyridazin-3-amine'>K3J</scene></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=9f4r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9f4r OCA], [https://pdbe.org/9f4r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9f4r RCSB], [https://www.ebi.ac.uk/pdbsum/9f4r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9f4r 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=9f4r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9f4r OCA], [https://pdbe.org/9f4r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9f4r RCSB], [https://www.ebi.ac.uk/pdbsum/9f4r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9f4r ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/ROA1_HUMAN ROA1_HUMAN] Involved in the packaging of pre-mRNA into hnRNP particles, transport of poly(A) mRNA from the nucleus to the cytoplasm and may modulate splice site selection. May play a role in HCV RNA replication.<ref>PMID:17229681</ref>
[https://www.uniprot.org/uniprot/ROA1_HUMAN ROA1_HUMAN] Involved in the packaging of pre-mRNA into hnRNP particles, transport of poly(A) mRNA from the nucleus to the cytoplasm and may modulate splice site selection. May play a role in HCV RNA replication.<ref>PMID:17229681</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The human heterogeneous nuclear ribonucleoprotein (hnRNP) A1 is a prototypical RNA-binding protein essential in regulating a wide range of post-transcriptional events in cells. As a multifunctional protein with a key role in RNA metabolism, deregulation of its functions has been linked to neurodegenerative diseases, tumour aggressiveness and chemoresistance, which has fuelled efforts to develop novel therapeutics that modulates its RNA binding activities. Here, using a combination of Molecular Dynamics (MD) simulations and graph neural network pockets predictions, we showed that hnRNPA1 N-terminal RNA binding domain (UP1) contains several cryptic pockets capable of binding small molecules. To identify chemical entities for development of potent drug candidates and experimentally validate identified druggable hotspots, we carried out a large fragment screening on UP1 protein crystals. Our screen identified 36 hits which extensively samples UP1 functional regions involved in RNA recognition and binding, as well as mapping hotspots onto novel protein interaction surfaces. We observed a wide range of ligand-induced conformational variation, by stabilisation of dynamic protein regions. Our high-resolution structures, the first of an hnRNP in complex with a fragment or small molecule, provides rapid routes for the rational development of a range of different inhibitors and chemical tools for studying molecular mechanisms of hnRNPA1 mediated splicing regulation.
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Enhanced identification of small molecules binding to hnRNPA1 via cryptic pockets mapping coupled with X-Ray fragment screening.,Dunnett L, Das S, Venditti V, Prischi F bioRxiv [Preprint]. 2024 Dec 18:2024.12.17.628909. doi: , 10.1101/2024.12.17.628909. PMID:39763864<ref>PMID:39763864</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 9f4r" style="background-color:#fffaf0;"></div>
== References ==
== References ==
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<references/>

Revision as of 10:35, 22 January 2025

UP1 in complex with Z802821712

PDB ID 9f4r

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