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'''Unreleased structure'''


The entry 9kbo is ON HOLD  until 2027-01-31
==Crystal structure of human Shiftless (SFL) containing phosphorylation sites Ser249, Thr250, Thr253 and Ser256==
 
<StructureSection load='9kbo' size='340' side='right'caption='[[9kbo]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
Authors: Li, Z., Hao, W., Zhang, Y., Hou, P., Cui, S.
== Structural highlights ==
 
<table><tr><td colspan='2'>[[9kbo]] is a 4 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=9KBO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9KBO FirstGlance]. <br>
Description: Crystal Structure of a host factor Shiftless(SHFL)
</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&#8491;</td></tr>
[[Category: Unreleased Structures]]
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene>, <scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
[[Category: Hou, P]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9kbo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9kbo OCA], [https://pdbe.org/9kbo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9kbo RCSB], [https://www.ebi.ac.uk/pdbsum/9kbo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9kbo ProSAT]</span></td></tr>
[[Category: Cui, S]]
</table>
[[Category: Li, Z]]
== Function ==
[[Category: Zhang, Y]]
[https://www.uniprot.org/uniprot/SHFL_HUMAN SHFL_HUMAN] Inhibits programmed -1 ribosomal frameshifting (-1PRF) of a variety of mRNAs from viruses, such as HIV1, and cellular genes, such as PEG10. Interacts with the -1PRF signal of target mRNA and translating ribosomes and causes premature translation termination at the frameshifting site (PubMed:30682371). Regulates HIV1 GAG-POL expression by inhibiting -1PRF (PubMed:30682371). Exhibits antiviral activity against dengue virus (DENV) and can inhibit the replication of all DENV serotypes. May block the protein translation of DENV RNA via its association with cellular mRNA-binding proteins and viral RNA. Also interrupts Zika virus replication by promoting viral NS3 degradation via a lysosome-dependent pathway (PubMed:32150556). Can also limit the replication of hepatitis C virus (HCV) by restricting formation of viral replication organelle, West Nile virus (WNV), Chikungunya virus (CHIKV), herpes simplex virus type 1 (HHV-1), herpes virus type 8 (HHV-8) and human adenovirus (PubMed:26735137, PubMed:27974568, PubMed:30944177, PubMed:32294532). Binds nucleic acids with a higher affinity for ssRNA and ssDNA than for dsDNA (PubMed:27974568).<ref>PMID:26735137</ref> <ref>PMID:27974568</ref> <ref>PMID:30682371</ref> <ref>PMID:30944177</ref> <ref>PMID:32150556</ref> <ref>PMID:32294532</ref>  Isoform 4 does not inhibit programmed ribosomal frameshifting (-1PRF). Does not bind to ribosomes.<ref>PMID:30682371</ref>
[[Category: Hao, W]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Cui S]]
[[Category: Hao W]]
[[Category: Hou P]]
[[Category: Li Z]]
[[Category: Zhang Y]]
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