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| ==Back pocket flexibility provides group-II PAK selectivity for type 1 kinase inhibitors== | | ==Back pocket flexibility provides group-II PAK selectivity for type 1 kinase inhibitors== |
| <StructureSection load='4o0r' size='340' side='right' caption='[[4o0r]], [[Resolution|resolution]] 2.40Å' scene=''> | | <StructureSection load='4o0r' size='340' side='right'caption='[[4o0r]], [[Resolution|resolution]] 2.40Å' scene=''> |
| == Structural highlights == | | == Structural highlights == |
| <table><tr><td colspan='2'>[[4o0r]] 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=4O0R OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4O0R FirstGlance]. <br> | | <table><tr><td colspan='2'>[[4o0r]] 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=4O0R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4O0R FirstGlance]. <br> |
| </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=X4Z:(3E)-N-[(1S)-2-(DIMETHYLAMINO)-1-PHENYLETHYL]-6,6-DIMETHYL-3-[(2-METHYLTHIENO[3,2-D]PYRIMIDIN-4-YL)IMINO]-4,6-DIHYDROPYRROLO[3,4-C]PYRAZOLE-5(3H)-CARBOXAMIDE'>X4Z</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]] 2.4Å</td></tr> |
| <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4o0t|4o0t]], [[4o0v|4o0v]], [[4o0x|4o0x]], [[4o0y|4o0y]]</td></tr>
| | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=7KC:~{N}-[(1~{S})-2-(dimethylamino)-1-phenyl-ethyl]-6,6-dimethyl-3-[(2-methylthieno[3,2-d]pyrimidin-4-yl)amino]-1,4-dihydropyrrolo[3,4-c]pyrazole-5-carboxamide'>7KC</scene></td></tr> |
| <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PAK1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=4o0r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4o0r OCA], [https://pdbe.org/4o0r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4o0r RCSB], [https://www.ebi.ac.uk/pdbsum/4o0r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4o0r ProSAT]</span></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>
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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=4o0r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4o0r OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4o0r RCSB], [http://www.ebi.ac.uk/pdbsum/4o0r PDBsum]</span></td></tr> | |
| </table> | | </table> |
| == Function ==
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| [[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>
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| <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> |
| </div> | | </div> |
| | <div class="pdbe-citations 4o0r" style="background-color:#fffaf0;"></div> |
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| ==See Also== | | ==See Also== |
| *[[Serine/threonine protein kinase|Serine/threonine protein kinase]] | | *[[Serine/threonine protein kinase 3D structures|Serine/threonine protein kinase 3D structures]] |
| == References == | | == References == |
| <references/> | | <references/> |
| __TOC__ | | __TOC__ |
| </StructureSection> | | </StructureSection> |
| [[Category: Human]] | | [[Category: Homo sapiens]] |
| [[Category: Non-specific serine/threonine protein kinase]] | | [[Category: Large Structures]] |
| [[Category: Rouge, L]] | | [[Category: Rouge L]] |
| [[Category: Tam, C]] | | [[Category: Tam C]] |
| [[Category: Wang, W]] | | [[Category: Wang W]] |
| [[Category: Pak1]]
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| [[Category: Transferase-transferase inhibitor complex]]
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