6cqf

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==Crystal structure of HPK1 in complex an inhibitor G1858==
==Crystal structure of HPK1 in complex an inhibitor G1858==
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<StructureSection load='6cqf' size='340' side='right' caption='[[6cqf]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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<StructureSection load='6cqf' size='340' side='right'caption='[[6cqf]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6cqf]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6CQF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6CQF FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6cqf]] 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=6CQF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6CQF FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=F97:N-{2-(3,3-difluoropyrrolidin-1-yl)-6-[(3R)-pyrrolidin-3-yl]pyrimidin-4-yl}-1-(propan-2-yl)-1H-pyrazolo[4,3-c]pyridin-6-amine'>F97</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.246&#8491;</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] </span></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=F97:N-{2-(3,3-difluoropyrrolidin-1-yl)-6-[(3R)-pyrrolidin-3-yl]pyrimidin-4-yl}-1-(propan-2-yl)-1H-pyrazolo[4,3-c]pyridin-6-amine'>F97</scene></td></tr>
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<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=6cqf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6cqf OCA], [http://pdbe.org/6cqf PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6cqf RCSB], [http://www.ebi.ac.uk/pdbsum/6cqf PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6cqf ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6cqf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6cqf OCA], [https://pdbe.org/6cqf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6cqf RCSB], [https://www.ebi.ac.uk/pdbsum/6cqf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6cqf ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/M4K1_HUMAN M4K1_HUMAN]] Serine/threonine-protein kinase, which may play a role in the response to environmental stress. Appears to act upstream of the JUN N-terminal pathway. May play a role in hematopoietic lineage decisions and growth regulation. Able to autophosphorylate.<ref>PMID:24362026</ref> <ref>PMID:8824585</ref>
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[https://www.uniprot.org/uniprot/M4K1_HUMAN M4K1_HUMAN] Serine/threonine-protein kinase, which may play a role in the response to environmental stress. Appears to act upstream of the JUN N-terminal pathway. May play a role in hematopoietic lineage decisions and growth regulation. Able to autophosphorylate.<ref>PMID:24362026</ref> <ref>PMID:8824585</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Enhancement of antigen-specific T cell immunity has shown significant therapeutic benefit in infectious diseases and cancer. Hematopoietic progenitor kinase-1 (HPK1) is a negative-feedback regulator of T cell receptor signaling, which dampens T cell proliferation and effector function. A recent report showed that a catalytic dead mutant of HPK1 phenocopies augmented T cell responses observed in HPK1-knockout mice, indicating that kinase activity is critical for function. We evaluated active and inactive mutants and determined crystal structures of HPK1 kinase domain (HPK1-KD) in apo and ligand bound forms. In all structures HPK1-KD displays a rare domain-swapped dimer, in which the activation segment comprises a well-conserved dimer interface. Biophysical measurements show formation of dimer in solution. The activation segment adopts an alpha-helical structure which exhibits distinct orientations in active and inactive states. This face-to-face configuration suggests that the domain-swapped dimer may possess alternative selectivity for certain substrates of HPK1 under relevant cellular context.
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Hematopoietic Progenitor Kinase-1 Structure in a Domain-Swapped Dimer.,Wu P, Sneeringer CJ, Pitts KE, Day ES, Chan BK, Wei B, Lehoux I, Mortara K, Li H, Wu J, Franke Y, Moffat JG, Grogan JL, Heffron TP, Wang W Structure. 2018 Nov 13. pii: S0969-2126(18)30386-1. doi:, 10.1016/j.str.2018.10.025. PMID:30503777<ref>PMID:30503777</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 6cqf" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Non-specific serine/threonine protein kinase]]
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[[Category: Homo sapiens]]
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[[Category: Chan, B K]]
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[[Category: Large Structures]]
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[[Category: Franke, Y]]
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[[Category: Chan BK]]
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[[Category: Lehoux, I]]
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[[Category: Franke Y]]
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[[Category: Mortara, K]]
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[[Category: Lehoux I]]
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[[Category: Wang, W]]
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[[Category: Mortara K]]
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[[Category: Wu, P]]
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[[Category: Wang W]]
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[[Category: Protein kinase]]
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[[Category: Wu P]]
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[[Category: Transferase-transferase inhibitor complex]]
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Current revision

Crystal structure of HPK1 in complex an inhibitor G1858

PDB ID 6cqf

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