8p76

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<table><tr><td colspan='2'>[[8p76]] is a 3 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=8P76 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8P76 FirstGlance]. <br>
<table><tr><td colspan='2'>[[8p76]] is a 3 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=8P76 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8P76 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2&#8491;</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2&#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=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=X1W:N5-[(3S,4R)-4-phenylmethoxypyrrolidin-3-yl]-N7-(phenylmethyl)-3-propan-2-yl-pyrazolo[1,5-a]pyrimidine-5,7-diamine'>X1W</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=ACE:ACETYL+GROUP'>ACE</scene>, <scene name='pdbligand=X1W:~{N}5-[(3~{S},4~{R})-4-phenylmethoxypyrrolidin-3-yl]-~{N}7-(phenylmethyl)-3-propan-2-yl-pyrazolo[1,5-a]pyrimidine-5,7-diamine'>X1W</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=8p76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8p76 OCA], [https://pdbe.org/8p76 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8p76 RCSB], [https://www.ebi.ac.uk/pdbsum/8p76 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8p76 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=8p76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8p76 OCA], [https://pdbe.org/8p76 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8p76 RCSB], [https://www.ebi.ac.uk/pdbsum/8p76 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8p76 ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
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<div style="background-color:#fffaf0;">
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[https://www.uniprot.org/uniprot/MAT1_HUMAN MAT1_HUMAN] Stabilizes the cyclin H-CDK7 complex to form a functional CDK-activating kinase (CAK) enzymatic complex. CAK activates the cyclin-associated kinases CDK1, CDK2, CDK4 and CDK6 by threonine phosphorylation. CAK complexed to the core-TFIIH basal transcription factor activates RNA polymerase II by serine phosphorylation of the repetitive C-terminus domain (CTD) of its large subunit (POLR2A), allowing its escape from the promoter and elongation of the transcripts. Involved in cell cycle control and in RNA transcription by RNA polymerase II.<ref>PMID:10024882</ref>
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== Publication Abstract from PubMed ==
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Rational design of next-generation therapeutics can be facilitated by high-resolution structures of drug targets bound to small-molecule inhibitors. However, application of structure-based methods to macromolecules refractory to crystallization has been hampered by the often-limiting resolution and throughput of cryogenic electron microscopy (cryo-EM). Here, we use high-resolution cryo-EM to determine structures of the CDK-activating kinase, a master regulator of cell growth and division, in its free and nucleotide-bound states and in complex with 15 inhibitors at up to 1.8 A resolution. Our structures provide detailed insight into inhibitor interactions and networks of water molecules in the active site of cyclin-dependent kinase 7 and provide insights into the mechanisms contributing to inhibitor selectivity, thereby providing the basis for rational design of next-generation therapeutics. These results establish a methodological framework for the use of high-resolution cryo-EM in structure-based drug design.
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High-resolution cryo-EM of the human CDK-activating kinase for structure-based drug design.,Cushing VI, Koh AF, Feng J, Jurgaityte K, Bondke A, Kroll SHB, Barbazanges M, Scheiper B, Bahl AK, Barrett AGM, Ali S, Kotecha A, Greber BJ Nat Commun. 2024 Mar 13;15(1):2265. doi: 10.1038/s41467-024-46375-9. PMID:38480681<ref>PMID:38480681</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 8p76" style="background-color:#fffaf0;"></div>
== References ==
== References ==
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Current revision

Cryo-EM structure of CAK in complex with inhibitor ICEC0914

PDB ID 8p76

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