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==Biochemical, Cellular and Structural Characterization of Novel ERK3 Inhibitors== | ==Biochemical, Cellular and Structural Characterization of Novel ERK3 Inhibitors== | ||
<StructureSection load='6yll' size='340' side='right'caption='[[6yll]]' scene=''> | <StructureSection load='6yll' size='340' side='right'caption='[[6yll]], [[Resolution|resolution]] 2.89Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6YLL OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6YLL FirstGlance]. <br> | <table><tr><td colspan='2'>[[6yll]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6YLL OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6YLL FirstGlance]. <br> | ||
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6yll FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6yll OCA], [http://pdbe.org/6yll PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6yll RCSB], [http://www.ebi.ac.uk/pdbsum/6yll PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6yll ProSAT]</span></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=OYB:~{N}4-[3-(4-methoxyphenyl)-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl]cyclohexane-1,4-diamine'>OYB</scene></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MAPK6, ERK3, PRKM6 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | |||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Mitogen-activated_protein_kinase Mitogen-activated protein kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.24 2.7.11.24] </span></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6yll FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6yll OCA], [http://pdbe.org/6yll PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6yll RCSB], [http://www.ebi.ac.uk/pdbsum/6yll PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6yll ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | |||
[[http://www.uniprot.org/uniprot/MK06_HUMAN MK06_HUMAN]] Atypical MAPK protein. Phosphorylates microtubule-associated protein 2 (MAP2) and MAPKAPK5. The precise role of the complex formed with MAPKAPK5 is still unclear, but the complex follows a complex set of phosphorylation events: upon interaction with atypical MAPKAPK5, ERK3/MAPK6 is phosphorylated at Ser-189 and then mediates phosphorylation and activation of MAPKAPK5, which in turn phosphorylates ERK3/MAPK6. May promote entry in the cell cycle (By similarity). | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Triazolo[4,5-d]pyrimidin-5-amines were identified from kinase selectivity screening as novel ERK3 inhibitors with sub-100 nanomolar potencies in a biochemical assay using MK5 as substrate and with an attractive kinase selectivity profile. ERK3 crystal structures clarified the inhibitor binding mode in the ATP pocket with impact on A-loop, GC-loop and alphaC-helix conformations suggesting a potential structural link towards MK5 interaction via the FHIEDE motif. The inhibitors also showed sub-100 nM potencies in a cellular ERK3 NanoBRET assay and with excellent correlation to the biochemical IC50s. This novel series provides valuable tool compounds to further investigate the biological function and activation mechanism of ERK3. | |||
Biochemical, cellular and structural characterization of novel and selective ERK3 inhibitors.,Gradler U, Busch M, Leuthner B, Raba M, Burgdorf L, Lehmann M, Linde N, Esdar C Bioorg Med Chem Lett. 2020 Sep 11;30(22):127551. doi: 10.1016/j.bmcl.2020.127551. PMID:32927028<ref>PMID:32927028</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 6yll" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Human]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Graedler U]] | [[Category: Mitogen-activated protein kinase]] | ||
[[Category: Graedler, U]] | |||
[[Category: Erk3]] | |||
[[Category: Inhibitor]] | |||
[[Category: Transferase]] |