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==CASK CaM-Kinase Domain- 3'-AMP complex, P1 form==
==CASK CaM-Kinase Domain- 3'-AMP complex, P1 form==
<StructureSection load='3c0g' size='340' side='right' caption='[[3c0g]], [[Resolution|resolution]] 2.19&Aring;' scene=''>
<StructureSection load='3c0g' size='340' side='right'caption='[[3c0g]], [[Resolution|resolution]] 2.19&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3c0g]] 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=3C0G OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3C0G FirstGlance]. <br>
<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>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><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>
</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>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3c0h|3c0h]], [[3c0i|3c0i]]</td></tr>
<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>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CASK ([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=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>
<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'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3c0g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3c0g OCA], [http://pdbe.org/3c0g PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3c0g RCSB], [http://www.ebi.ac.uk/pdbsum/3c0g PDBsum]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[http://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:[http://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:[http://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>
[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>  
== Function ==
== Function ==
[[http://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.  
[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.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c0/3c0g_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/c0/3c0g_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
Line 23: Line 22:
</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].
</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].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.
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:18423203<ref>PMID:18423203</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3c0g" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Pseudoenzyme|Pseudoenzyme]]
*[[Calcium/calmodulin dependent protein kinase 3D structures|Calcium/calmodulin dependent 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: Wahl, M C]]
[[Category: Wahl MC]]
[[Category: Atp-binding]]
[[Category: Ca2+/calmodulin dependent protein kinase]]
[[Category: Calmodulin-binding]]
[[Category: Cask]]
[[Category: Magnesium]]
[[Category: Maguk]]
[[Category: Membrane-associated guanylate kinase]]
[[Category: Metal-binding]]
[[Category: Mg2+]]
[[Category: Neurexin]]
[[Category: Nucleotide-binding]]
[[Category: Nucleus]]
[[Category: Pseudokinase]]
[[Category: Serine/threonine-protein kinase]]
[[Category: Sh3 domain]]
[[Category: Synaptic plasticity]]
[[Category: Transferase]]

Latest revision as of 17:04, 13 March 2024

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

Structural highlights

3c0g 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 2.19Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

CSKP_HUMAN Defects in CASK are the cause of mental retardation and microcephaly with pontine and cerebellar hypoplasia (MICPCH) [MIM: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.[1] Defects in CASK are the cause of FG syndrome type 4 (FGS4) [MIM:300422. FG syndrome (FGS) is an X-linked disorder characterized by mental retardation, relative macrocephaly, hypotonia and constipation.[2]

Function

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.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Najm J, Horn D, Wimplinger I, Golden JA, Chizhikov VV, Sudi J, Christian SL, Ullmann R, Kuechler A, Haas CA, Flubacher A, Charnas LR, Uyanik G, Frank U, Klopocki E, Dobyns WB, Kutsche K. Mutations of CASK cause an X-linked brain malformation phenotype with microcephaly and hypoplasia of the brainstem and cerebellum. Nat Genet. 2008 Sep;40(9):1065-7. doi: 10.1038/ng.194. PMID:19165920 doi:10.1038/ng.194
  2. ↑ Piluso G, D'Amico F, Saccone V, Bismuto E, Rotundo IL, Di Domenico M, Aurino S, Schwartz CE, Neri G, Nigro V. A missense mutation in CASK causes FG syndrome in an Italian family. Am J Hum Genet. 2009 Feb;84(2):162-77. doi: 10.1016/j.ajhg.2008.12.018. Epub 2009, Feb 5. PMID:19200522 doi:10.1016/j.ajhg.2008.12.018

3c0g, resolution 2.19Å

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