9qro: Difference between revisions

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'''Unreleased structure'''


The entry 9qro is ON HOLD  until Paper Publication
==HINT1 complexed with GS-441524-MP==
<StructureSection load='9qro' size='340' side='right'caption='[[9qro]], [[Resolution|resolution]] 1.58&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[9qro]] 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=9QRO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9QRO 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]] 1.58&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=F86:[(2~{R},3~{S},4~{R},5~{R})-5-(4-azanylpyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-bis(oxidanyl)oxolan-2-yl]methyl+dihydrogen+phosphate'>F86</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</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=9qro FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9qro OCA], [https://pdbe.org/9qro PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9qro RCSB], [https://www.ebi.ac.uk/pdbsum/9qro PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9qro ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/HINT1_HUMAN HINT1_HUMAN] Hydrolyzes adenosine 5'-monophosphoramidate substrates such as AMP-morpholidate, AMP-N-alanine methyl ester, AMP-alpha-acetyl lysine methyl ester and AMP-NH2 (By similarity).
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Remdesivir is an antiviral ProTide-type nucleotide analog, which is activated into its 5'-triphosphate form by several cellular enzymes. The human histidine triad nucleotide-binding protein 1 (hHINT1) hydrolyzes the P-N bond to release the 5'-monophosphate. The nucleotide chemical structure consequently impacts the activation pathway efficacy. We report crystal structures of human HINT1 in complex with either the nucleoside GS-441524 or the monophosphate nucleoside GS-441524-MP-both metabolites of remdesivir at 1.30 A and 1.58 A resolution, respectively. Together with enzymatic data, these results disclose the main structural determinants governing activity, namely the steric hindrance of the phosphoramidate moiety as well as ribose modifications altering interactions with Asp43.


Authors: Zimberger, C., Ferron, F.
Impact of remdesivir modifications on human HINT1 binding - A structural and functional study in the remdesivir activation pathway.,Chazot A, Zimberger C, Fotopoulos I, Canard B, Alvarez K, Ferron F Structure. 2026 May 25:S0969-2126(26)00146-2. doi: 10.1016/j.str.2026.04.015. PMID:42184828<ref>PMID:42184828</ref>


Description: HINT1 complexed with GS-441524-MP
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: Unreleased Structures]]
</div>
[[Category: Zimberger, C]]
<div class="pdbe-citations 9qro" style="background-color:#fffaf0;"></div>
[[Category: Ferron, F]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Ferron F]]
[[Category: Zimberger C]]
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