3c0g

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[[Image:3c0g.jpg|left|200px]]
 
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==CASK CaM-Kinase Domain- 3'-AMP complex, P1 form==
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The line below this paragraph, containing "STRUCTURE_3c0g", creates the "Structure Box" on the page.
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<StructureSection load='3c0g' size='340' side='right'caption='[[3c0g]], [[Resolution|resolution]] 2.19&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3c0g]] 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=3C0G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3C0G 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]] 2.19&#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=3AM:[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-4-HYDROXY-2-(HYDROXYMETHYL)OXOLAN-3-YL]+DIHYDROGEN+PHOSPHATE'>3AM</scene></td></tr>
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{{STRUCTURE_3c0g| PDB=3c0g | 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=3c0g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3c0g OCA], [https://pdbe.org/3c0g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3c0g RCSB], [https://www.ebi.ac.uk/pdbsum/3c0g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3c0g ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/CSKP_HUMAN CSKP_HUMAN] Defects in CASK are the cause of mental retardation and microcephaly with pontine and cerebellar hypoplasia (MICPCH) [MIM:[https://omim.org/entry/300749 300749]. A disorder characterized by significantly below average general intellectual functioning associated with impairments in adaptative behavior and manifested during the developmental period. Patients with mental retardation X-linked CASK-related can manifest a severe phenotype consisting of severe intellectual deficit, congenital or postnatal microcephaly, disproportionate brainstem and cerebellar hypoplasia. A milder phenotype consists of mental retardation alone or associated with nystagmus.<ref>PMID:19165920</ref> Defects in CASK are the cause of FG syndrome type 4 (FGS4) [MIM:[https://omim.org/entry/300422 300422]. FG syndrome (FGS) is an X-linked disorder characterized by mental retardation, relative macrocephaly, hypotonia and constipation.<ref>PMID:19200522</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/CSKP_HUMAN CSKP_HUMAN] Multidomain scaffolding protein with a role in synaptic transmembrane protein anchoring and ion channel trafficking. Contributes to neural development and regulation of gene expression via interaction with the transcription factor TRB1. Binds to cell-surface proteins, including amyloid precursor protein, neurexins and syndecans. May mediate a link between the extracellular matrix and the actin cytoskeleton via its interaction with syndecan and with the actin/spectrin-binding protein 4.1.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c0/3c0g_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=3c0g ConSurf].
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<div style="clear:both"></div>
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'''CASK CaM-Kinase Domain- 3'-AMP complex, P1 form'''
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==See Also==
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*[[Calcium/calmodulin dependent protein kinase 3D structures|Calcium/calmodulin dependent protein kinase 3D structures]]
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== References ==
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==Overview==
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<references/>
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CASK is a unique MAGUK protein that contains an N-terminal CaM-kinase domain besides the typical MAGUK domains. The CASK CaM-kinase domain is presumed to be a catalytically inactive pseudokinase because it lacks the canonical DFG motif required for Mg2+ binding that is thought to be indispensable for kinase activity. Here we show, however, that CASK functions as an active protein kinase even without Mg2+ binding. High-resolution crystal structures reveal that the CASK CaM-kinase domain adopts a constitutively active conformation that binds ATP and catalyzes phosphotransfer without Mg2+. The CASK CaM-kinase domain phosphorylates itself and at least one physiological interactor, the synaptic protein neurexin-1, to which CASK is recruited via its PDZ domain. Thus, our data indicate that CASK combines the scaffolding activity of MAGUKs with an unusual kinase activity that phosphorylates substrates recuited by the scaffolding activity. Moreover, our study suggests that other pseudokinases (10% of the kinome) could also be catalytically active.
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__TOC__
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</StructureSection>
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==About this Structure==
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3C0G is a [[Single protein]] structure of 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=3C0G OCA].
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==Reference==
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CASK Functions as a Mg2+-independent neurexin kinase., Mukherjee K, Sharma M, Urlaub H, Bourenkov GP, Jahn R, Sudhof TC, Wahl MC, Cell. 2008 Apr 18;133(2):328-39. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18423203 18423203]
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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: Single protein]]
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[[Category: Wahl MC]]
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[[Category: Wahl, M C.]]
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[[Category: Alternative splicing]]
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[[Category: Atp-binding]]
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[[Category: Ca2+/calmodulin dependent protein kinase]]
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[[Category: Calmodulin-binding]]
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[[Category: Cask]]
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[[Category: Cytoplasm]]
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[[Category: Magnesium]]
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[[Category: Maguk]]
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[[Category: Membrane-associated guanylate kinase]]
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[[Category: Metal-binding]]
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[[Category: Mg2+]]
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[[Category: Neurexin]]
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[[Category: Nucleotide-binding]]
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[[Category: Nucleus]]
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[[Category: Pseudokinase]]
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[[Category: Serine/threonine-protein kinase]]
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[[Category: Sh3 domain]]
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[[Category: Synaptic plasticity]]
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[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Apr 30 13:34:48 2008''
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Current revision

CASK CaM-Kinase Domain- 3'-AMP complex, P1 form

PDB ID 3c0g

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