4a07

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[[Image:4a07.jpg|left|200px]]
 
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==Human PDK1 Kinase Domain in Complex with Allosteric Activator PS171 Bound to the PIF-Pocket==
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The line below this paragraph, containing "STRUCTURE_4a07", creates the "Structure Box" on the page.
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<StructureSection load='4a07' size='340' side='right'caption='[[4a07]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4a07]] 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=4A07 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4A07 FirstGlance]. <br>
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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]] 1.85&#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=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=AZ7:(3S)-3-(4-CHLOROPHENYL)-4-(5,7-DICHLORO-1H-BENZIMIDAZOL-2-YL)BUTANOIC+ACID'>AZ7</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=CSS:S-MERCAPTOCYSTEINE'>CSS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene></td></tr>
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{{STRUCTURE_4a07| PDB=4a07 | SCENE= }}
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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=4a07 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4a07 OCA], [https://pdbe.org/4a07 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4a07 RCSB], [https://www.ebi.ac.uk/pdbsum/4a07 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4a07 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PDPK1_HUMAN PDPK1_HUMAN] Serine/threonine kinase which acts as a master kinase, phosphorylating and activating a subgroup of the AGC family of protein kinases. Its targets include: protein kinase B (PKB/AKT1, PKB/AKT2, PKB/AKT3), p70 ribosomal protein S6 kinase (RPS6KB1), p90 ribosomal protein S6 kinase (RPS6KA1, RPS6KA2 and RPS6KA3), cyclic AMP-dependent protein kinase (PRKACA), protein kinase C (PRKCD and PRKCZ), serum and glucocorticoid-inducible kinase (SGK1, SGK2 and SGK3), p21-activated kinase-1 (PAK1), protein kinase PKN (PKN1 and PKN2). Plays a central role in the transduction of signals from insulin by providing the activating phosphorylation to PKB/AKT1, thus propagating the signal to downstream targets controlling cell proliferation and survival, as well as glucose and amino acid uptake and storage. Negatively regulates the TGF-beta-induced signaling by: modulating the association of SMAD3 and SMAD7 with TGF-beta receptor, phosphorylating SMAD2, SMAD3, SMAD4 and SMAD7, preventing the nuclear translocation of SMAD3 and SMAD4 and the translocation of SMAD7 from the nucleus to the cytoplasm in response to TGF-beta. Activates PPARG transcriptional activity and promotes adipocyte differentiation. Activates the NF-kappa-B pathway via phosphorylation of IKKB. The tyrosine phosphorylated form is crucial for the regulation of focal adhesions by angiotensin II. Controls proliferation, survival, and growth of developing pancreatic cells. Participates in the regulation of Ca(2+) entry and Ca(2+)-activated K(+) channels of mast cells. Essential for the motility of vascular endothelial cells (ECs) and is involved in the regulation of their chemotaxis. Plays a critical role in cardiac homeostasis by serving as a dual effector for cell survival and beta-adrenergic response. Plays an important role during thymocyte development by regulating the expression of key nutrient receptors on the surface of pre-T cells and mediating Notch-induced cell growth and proliferative responses. Provides negative feedback inhibition to toll-like receptor-mediated NF-kappa-B activation in macrophages. Isoform 3 is catalytically inactive.<ref>PMID:9094314</ref> <ref>PMID:9768361</ref> <ref>PMID:9707564</ref> <ref>PMID:9445476</ref> <ref>PMID:10480933</ref> <ref>PMID:10995762</ref> <ref>PMID:12167717</ref> <ref>PMID:14585963</ref> <ref>PMID:14604990</ref> <ref>PMID:10226025</ref> <ref>PMID:16207722</ref> <ref>PMID:16251192</ref> <ref>PMID:17327236</ref> <ref>PMID:17371830</ref> <ref>PMID:18835241</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Protein kinases are key mediators of cellular signaling, and therefore, their activities are tightly controlled. AGC kinases are regulated by phosphorylation and by N- and C-terminal regions. Here, we studied the molecular mechanism of inhibition of atypical PKCzeta and found that the inhibition by the N-terminal region cannot be explained by a simple pseudosubstrate inhibitory mechanism. Notably, we found that the C1 domain allosterically inhibits PKCzeta activity and verified an allosteric communication between the PIF-pocket of atypical PKCs and the binding site of the C1 domain. Finally, we developed low-molecular-weight compounds that bind to the PIF-pocket and allosterically inhibit PKCzeta activity. This work establishes a central role for the PIF-pocket on the regulation of PKCzeta and allows us to envisage development of drugs targeting the PIF-pocket that can either activate or inhibit AGC kinases.
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===HUMAN PDK1 KINASE DOMAIN IN COMPLEX WITH ALLOSTERIC ACTIVATOR PS171 BOUND TO THE PIF-POCKET===
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Allosteric Regulation of Protein Kinase PKCzeta by the N-Terminal C1 Domain and Small Compounds to the PIF-Pocket.,Lopez-Garcia LA, Schulze JO, Frohner W, Zhang H, Suss E, Weber N, Navratil J, Amon S, Hindie V, Zeuzem S, Jorgensen TJ, Alzari PM, Neimanis S, Engel M, Biondi RM Chem Biol. 2011 Nov 23;18(11):1463-1473. PMID:22118680<ref>PMID:22118680</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 4a07" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_22118680}}, adds the Publication Abstract to the page
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*[[Pdk1 3D structures|Pdk1 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 22118680 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_22118680}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[4a07]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4A07 OCA].
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==Reference==
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<ref group="xtra">PMID:022118680</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Non-specific serine/threonine protein kinase]]
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[[Category: Large Structures]]
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[[Category: Alzari, P M.]]
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[[Category: Alzari PM]]
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[[Category: Biondi, R M.]]
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[[Category: Biondi RM]]
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[[Category: Engel, M.]]
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[[Category: Engel M]]
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[[Category: Froehner, W.]]
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[[Category: Froehner W]]
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[[Category: Hindie, V.]]
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[[Category: Hindie V]]
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[[Category: Lopez-Garcia, L A.]]
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[[Category: Lopez-Garcia LA]]
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[[Category: Navratil, J.]]
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[[Category: Navratil J]]
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[[Category: Neimanis, S.]]
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[[Category: Neimanis S]]
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[[Category: Schulze, J O.]]
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[[Category: Schulze JO]]
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[[Category: Zeuzem, S.]]
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[[Category: Zeuzem S]]
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[[Category: Zhang, H.]]
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[[Category: Zhang H]]
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[[Category: Allosteric site]]
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[[Category: Transferase]]
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Current revision

Human PDK1 Kinase Domain in Complex with Allosteric Activator PS171 Bound to the PIF-Pocket

PDB ID 4a07

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