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==Crystal structure of P21 activated kinase 1 in complex with an inhibitor compound 4==
==Crystal structure of P21 activated kinase 1 in complex with an inhibitor compound 4==
<StructureSection load='4zy4' size='340' side='right' caption='[[4zy4]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
<StructureSection load='4zy4' size='340' side='right'caption='[[4zy4]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4zy4]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ZY4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4ZY4 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4zy4]] 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=4ZY4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4ZY4 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=4T3:2-(4-AMINOPIPERIDIN-1-YL)-N-(5-CYCLOPROPYL-1H-PYRAZOL-3-YL)THIENO[3,2-D]PYRIMIDIN-4-AMINE'>4T3</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4zy5|4zy5]], [[4zy6|4zy6]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=4T3:2-(4-AMINOPIPERIDIN-1-YL)-N-(5-CYCLOPROPYL-1H-PYRAZOL-3-YL)THIENO[3,2-D]PYRIMIDIN-4-AMINE'>4T3</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<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>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4zy4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4zy4 OCA], [https://pdbe.org/4zy4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4zy4 RCSB], [https://www.ebi.ac.uk/pdbsum/4zy4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4zy4 ProSAT]</span></td></tr>
<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=4zy4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4zy4 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4zy4 RCSB], [http://www.ebi.ac.uk/pdbsum/4zy4 PDBsum]</span></td></tr>
</table>
</table>
== Function ==
<div style="background-color:#fffaf0;">
[[http://www.uniprot.org/uniprot/PAK1_HUMAN PAK1_HUMAN]] Protein kinase involved in intracellular signaling pathways downstream of integrins and receptor-type kinases that plays an important role in cytoskeleton dynamics, in cell adhesion, migration, proliferation, apoptosis, mitosis, and in vesicle-mediated transport processes. Can directly phosphorylate BAD and protects cells against apoptosis. Activated by interaction with CDC42 and RAC1. Functions as GTPase effector that links the Rho-related GTPases CDC42 and RAC1 to the JNK MAP kinase pathway. Phosphorylates and activates MAP2K1, and thereby mediates activation of downstream MAP kinases. Involved in the reorganization of the actin cytoskeleton, actin stress fibers and of focal adhesion complexes. Phosphorylates the tubulin chaperone TBCB and thereby plays a role in the regulation of microtubule biogenesis and organization of the tubulin cytoskeleton. Plays a role in the regulation of insulin secretion in response to elevated glucose levels. Part of a ternary complex that contains PAK1, DVL1 and MUSK that is important for MUSK-dependent regulation of AChR clustering during the formation of the neuromuscular junction (NMJ). Activity is inhibited in cells undergoing apoptosis, potentially due to binding of CDC2L1 and CDC2L2. Phosphorylates MYL9/MLC2. Phosphorylates RAF1 at 'Ser-338' and 'Ser-339' resulting in: activation of RAF1, stimulation of RAF1 translocation to mitochondria, phosphorylation of BAD by RAF1, and RAF1 binding to BCL2.<ref>PMID:8805275</ref> <ref>PMID:9395435</ref> <ref>PMID:9032240</ref> <ref>PMID:9528787</ref> <ref>PMID:10551809</ref> <ref>PMID:11733498</ref> <ref>PMID:12624090</ref> <ref>PMID:12876277</ref> <ref>PMID:14585966</ref> <ref>PMID:15611088</ref> <ref>PMID:15831477</ref> <ref>PMID:16278681</ref> <ref>PMID:17726028</ref> <ref>PMID:17989089</ref> <ref>PMID:22669945</ref> 
== Publication Abstract from PubMed ==
The p21-activated kinases (PAKs) play important roles in cytoskeletal organization, cellular morphogenesis, and survival and have generated significant attention as potential therapeutic targets for cancer. Following a high-throughput screen, we identified an aminopyrazole scaffold-based series that was optimized to yield group I selective PAK inhibitors. A structure-based design effort aimed at targeting the ribose pocket for both potency and selectivity led to much-improved group I vs II selectivity. Early lead compounds contained a basic primary amine, which was found to be a major metabolic soft spot with in vivo clearance proceeding predominantly via N-acetylation. We succeeded in identifying replacements with improved metabolic stability, leading to compounds with lower in vivo rodent clearance and excellent group I PAK selectivity.
 
Structure-Guided Design of Group I Selective p21-Activated Kinase Inhibitors.,Crawford JJ, Lee W, Aliagas I, Mathieu S, Hoeflich KP, Zhou W, Wang W, Rouge L, Murray L, La H, Liu N, Fan PW, Cheong J, Heise CE, Ramaswamy S, Mintzer R, Liu Y, Chao Q, Rudolph J J Med Chem. 2015 Jun 25;58(12):5121-36. doi: 10.1021/acs.jmedchem.5b00572. Epub, 2015 Jun 12. PMID:26030457<ref>PMID:26030457</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4zy4" style="background-color:#fffaf0;"></div>
 
==See Also==
*[[Serine/threonine protein kinase 3D structures|Serine/threonine protein kinase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Homo sapiens]]
[[Category: Rouge, R]]
[[Category: Large Structures]]
[[Category: Wang, W]]
[[Category: Rouge R]]
[[Category: Complex]]
[[Category: Wang W]]
[[Category: Inhibitor]]
[[Category: Kinase]]

Latest revision as of 06:48, 21 November 2024

Crystal structure of P21 activated kinase 1 in complex with an inhibitor compound 4Crystal structure of P21 activated kinase 1 in complex with an inhibitor compound 4

Structural highlights

4zy4 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.6Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Publication Abstract from PubMed

The p21-activated kinases (PAKs) play important roles in cytoskeletal organization, cellular morphogenesis, and survival and have generated significant attention as potential therapeutic targets for cancer. Following a high-throughput screen, we identified an aminopyrazole scaffold-based series that was optimized to yield group I selective PAK inhibitors. A structure-based design effort aimed at targeting the ribose pocket for both potency and selectivity led to much-improved group I vs II selectivity. Early lead compounds contained a basic primary amine, which was found to be a major metabolic soft spot with in vivo clearance proceeding predominantly via N-acetylation. We succeeded in identifying replacements with improved metabolic stability, leading to compounds with lower in vivo rodent clearance and excellent group I PAK selectivity.

Structure-Guided Design of Group I Selective p21-Activated Kinase Inhibitors.,Crawford JJ, Lee W, Aliagas I, Mathieu S, Hoeflich KP, Zhou W, Wang W, Rouge L, Murray L, La H, Liu N, Fan PW, Cheong J, Heise CE, Ramaswamy S, Mintzer R, Liu Y, Chao Q, Rudolph J J Med Chem. 2015 Jun 25;58(12):5121-36. doi: 10.1021/acs.jmedchem.5b00572. Epub, 2015 Jun 12. PMID:26030457[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Crawford JJ, Lee W, Aliagas I, Mathieu S, Hoeflich KP, Zhou W, Wang W, Rouge L, Murray L, La H, Liu N, Fan PW, Cheong J, Heise CE, Ramaswamy S, Mintzer R, Liu Y, Chao Q, Rudolph J. Structure-Guided Design of Group I Selective p21-Activated Kinase Inhibitors. J Med Chem. 2015 Jun 25;58(12):5121-36. doi: 10.1021/acs.jmedchem.5b00572. Epub, 2015 Jun 12. PMID:26030457 doi:http://dx.doi.org/10.1021/acs.jmedchem.5b00572

4zy4, resolution 2.60Å

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