3pcs

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==Structure of EspG-PAK2 autoinhibitory Ialpha3 helix complex==
==Structure of EspG-PAK2 autoinhibitory Ialpha3 helix complex==
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<StructureSection load='3pcs' size='340' side='right' caption='[[3pcs]], [[Resolution|resolution]] 2.86&Aring;' scene=''>
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<StructureSection load='3pcs' size='340' side='right'caption='[[3pcs]], [[Resolution|resolution]] 2.86&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3pcs]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Eco57 Eco57] and [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PCS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3PCS FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3pcs]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Eco57 Eco57] and [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PCS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PCS FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3pcr|3pcr]]</td></tr>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3pcr|3pcr]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ECs4590, espG, Z5142 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83334 ECO57]), PAK2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ECs4590, espG, Z5142 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83334 ECO57]), PAK2 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [https://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=3pcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pcs OCA], [http://pdbe.org/3pcs PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3pcs RCSB], [http://www.ebi.ac.uk/pdbsum/3pcs PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3pcs 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=3pcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pcs OCA], [https://pdbe.org/3pcs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3pcs RCSB], [https://www.ebi.ac.uk/pdbsum/3pcs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3pcs ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PAK2_HUMAN PAK2_HUMAN]] Serine/threonine protein kinase that plays a role in a variety of different signaling pathways including cytoskeleton regulation, cell motility, cell cycle progression, apoptosis or proliferation. Acts as downstream effector of the small GTPases CDC42 and RAC1. Activation by the binding of active CDC42 and RAC1 results in a conformational change and a subsequent autophosphorylation on several serine and/or threonine residues. Full-length PAK2 stimulates cell survival and cell growth. Phosphorylates MAPK4 and MAPK6 and activates the downstream target MAPKAPK5, a regulator of F-actin polymerization and cell migration. Phosphorylates JUN and plays an important role in EGF-induced cell proliferation. Phosphorylates many other substrates including histone H4 to promote assembly of H3.3 and H4 into nucleosomes, BAD, ribosomal protein S6, or MBP. Additionally, associates with ARHGEF7 and GIT1 to perform kinase-independent functions such as spindle orientation control during mitosis. On the other hand, apoptotic stimuli such as DNA damage lead to caspase-mediated cleavage of PAK2, generating PAK-2p34, an active p34 fragment that translocates to the nucleus and promotes cellular apoptosis involving the JNK signaling pathway. Caspase-activated PAK2 phosphorylates MKNK1 and reduces cellular translation.<ref>PMID:12853446</ref> <ref>PMID:15234964</ref> <ref>PMID:16617111</ref> <ref>PMID:19923322</ref> <ref>PMID:21177766</ref> <ref>PMID:21317288</ref> <ref>PMID:21724829</ref> <ref>PMID:9171063</ref>
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[[https://www.uniprot.org/uniprot/PAK2_HUMAN PAK2_HUMAN]] Serine/threonine protein kinase that plays a role in a variety of different signaling pathways including cytoskeleton regulation, cell motility, cell cycle progression, apoptosis or proliferation. Acts as downstream effector of the small GTPases CDC42 and RAC1. Activation by the binding of active CDC42 and RAC1 results in a conformational change and a subsequent autophosphorylation on several serine and/or threonine residues. Full-length PAK2 stimulates cell survival and cell growth. Phosphorylates MAPK4 and MAPK6 and activates the downstream target MAPKAPK5, a regulator of F-actin polymerization and cell migration. Phosphorylates JUN and plays an important role in EGF-induced cell proliferation. Phosphorylates many other substrates including histone H4 to promote assembly of H3.3 and H4 into nucleosomes, BAD, ribosomal protein S6, or MBP. Additionally, associates with ARHGEF7 and GIT1 to perform kinase-independent functions such as spindle orientation control during mitosis. On the other hand, apoptotic stimuli such as DNA damage lead to caspase-mediated cleavage of PAK2, generating PAK-2p34, an active p34 fragment that translocates to the nucleus and promotes cellular apoptosis involving the JNK signaling pathway. Caspase-activated PAK2 phosphorylates MKNK1 and reduces cellular translation.<ref>PMID:12853446</ref> <ref>PMID:15234964</ref> <ref>PMID:16617111</ref> <ref>PMID:19923322</ref> <ref>PMID:21177766</ref> <ref>PMID:21317288</ref> <ref>PMID:21724829</ref> <ref>PMID:9171063</ref>
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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[[Category: Eco57]]
[[Category: Eco57]]
[[Category: Human]]
[[Category: Human]]
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[[Category: Large Structures]]
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Alto, N M]]
[[Category: Alto, N M]]

Revision as of 08:33, 25 May 2022

Structure of EspG-PAK2 autoinhibitory Ialpha3 helix complex

PDB ID 3pcs

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