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  • 1
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    Four-jointed is a Golgi kinase that phosphorylates a subset of cadherin domains (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-07-19
    Description: The atypical cadherin Fat acts as a receptor for a signaling pathway that regulates growth, gene expression, and planar cell polarity. Genetic studies in Drosophila identified the four-jointed gene as a regulator of Fat signaling. We show that four-jointed encodes a protein kinase that phosphorylates serine or threonine residues within extracellular cadherin domains of Fat and its transmembrane ligand, Dachsous. Four-jointed functions in the Golgi and is the first molecularly defined kinase that phosphorylates protein domains destined to be extracellular. An acidic sequence motif (Asp-Asn-Glu) within Four-jointed was essential for its kinase activity in vitro and for its biological activity in vivo. Our results indicate that Four-jointed regulates Fat signaling by phosphorylating cadherin domains of Fat and Dachsous as they transit through the Golgi.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2562711/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2562711/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ishikawa, Hiroyuki O -- Takeuchi, Hideyuki -- Haltiwanger, Robert S -- Irvine, Kenneth D -- CA123071/CA/NCI NIH HHS/ -- GM061126/GM/NIGMS NIH HHS/ -- GM078620/GM/NIGMS NIH HHS/ -- R01 CA123071/CA/NCI NIH HHS/ -- R01 CA123071-02/CA/NCI NIH HHS/ -- R01 GM061126/GM/NIGMS NIH HHS/ -- R01 GM061126-08/GM/NIGMS NIH HHS/ -- R01 GM078620/GM/NIGMS NIH HHS/ -- R01 GM078620-02/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2008 Jul 18;321(5887):401-4. doi: 10.1126/science.1158159.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Waksman Institute and Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, NJ 08854, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18635802" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Cadherins/chemistry/*metabolism ; Cell Adhesion Molecules/chemistry/*metabolism ; Cell Line ; Drosophila Proteins/chemistry/genetics/*metabolism ; Drosophila melanogaster ; Electrophoretic Mobility Shift Assay ; Glycosylation ; Golgi Apparatus/enzymology/*metabolism ; Kinetics ; Membrane Glycoproteins/chemistry/genetics/*metabolism ; Molecular Sequence Data ; Mutant Proteins/chemistry/metabolism ; Phosphorylation ; Protein Kinases/chemistry/genetics/*metabolism ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/metabolism ; Serine/metabolism ; Signal Transduction ; Threonine/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    A mutation in EGF repeat-8 of Notch discriminates between Serrate/Jagged and Delta family ligands (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-12-01
    Description: Notch signaling affects many developmental and cellular processes and has been implicated in congenital disorders, stroke, and numerous cancers. The Notch receptor binds its ligands Delta and Serrate and is able to discriminate between them in different contexts. However, the specific domains in Notch responsible for this selectivity are poorly defined. Through genetic screens in Drosophila, we isolated a mutation, Notch(jigsaw), that affects Serrate- but not Delta-dependent signaling. Notch(jigsaw) carries a missense mutation in epidermal growth factor repeat-8 (EGFr-8) and is defective in Serrate binding. A homologous point mutation in mammalian Notch2 also exhibits defects in signaling of a mammalian Serrate homolog, Jagged1. Hence, an evolutionarily conserved valine in EGFr-8 is essential for ligand selectivity and provides a molecular handle to study numerous Notch-dependent signaling events.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3663443/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3663443/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamamoto, Shinya -- Charng, Wu-Lin -- Rana, Nadia A -- Kakuda, Shinako -- Jaiswal, Manish -- Bayat, Vafa -- Xiong, Bo -- Zhang, Ke -- Sandoval, Hector -- David, Gabriela -- Wang, Hao -- Haltiwanger, Robert S -- Bellen, Hugo J -- 1RC4GM096355-01/GM/NIGMS NIH HHS/ -- 5K12GM084897/GM/NIGMS NIH HHS/ -- 5P30HD024064/HD/NICHD NIH HHS/ -- 5R01GM061126-12/GM/NIGMS NIH HHS/ -- 5R01GM067858/GM/NIGMS NIH HHS/ -- 5T32-HD055200/HD/NICHD NIH HHS/ -- K12 GM084897/GM/NIGMS NIH HHS/ -- P30 HD024064/HD/NICHD NIH HHS/ -- R01 GM061126/GM/NIGMS NIH HHS/ -- R01 GM067858/GM/NIGMS NIH HHS/ -- RC4 GM096355/GM/NIGMS NIH HHS/ -- T32 HD055200/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2012 Nov 30;338(6111):1229-32. doi: 10.1126/science.1228745.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Developmental Biology, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23197537" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Calcium-Binding Proteins/*metabolism ; Cells, Cultured ; DNA Mutational Analysis ; Drosophila Proteins/*genetics/*metabolism ; Drosophila melanogaster/genetics/*metabolism ; Epidermal Growth Factor/genetics ; Evolution, Molecular ; Humans ; Intercellular Signaling Peptides and Proteins/*metabolism ; Intracellular Signaling Peptides and Proteins/*metabolism ; Ligands ; Male ; Membrane Proteins/*metabolism ; Methionine/genetics ; Molecular Sequence Data ; Mutation ; Receptor, Notch2/genetics/metabolism ; Receptors, Notch/*genetics/*metabolism ; Tandem Repeat Sequences/genetics ; Valine/genetics ; X Chromosome/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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