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  • 1
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    Posttranslational glutamylation of alpha-tubulin (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-05
    Description: The high degree of tubulin heterogeneity in neurons is controlled mainly at the posttranslational level. Several variants of alpha-tubulin can be posttranslationally labeled after incubation of cells with [3H]acetate or [3H]glutamate. Peptides carrying the radioactive moiety were purified by high-performance liquid chromatography. Amino acid analysis, Edman degradation sequencing, and mass spectrometric analysis of these peptides led to the characterization of a posttranslational modification consisting of the successive addition of glutamyl units on the gamma-carboxyl group of a glutamate residue (Glu445). This modification, localized within a region of alpha-tubulin that is important in the interactions of tubulin with microtubule-associated proteins and calcium, could play a role in regulating microtubule dynamics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edde, B -- Rossier, J -- Le Caer, J P -- Desbruyeres, E -- Gros, F -- Denoulet, P -- New York, N.Y. -- Science. 1990 Jan 5;247(4938):83-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Biochimie Cellulaire, College de France, Paris.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1967194" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/analysis ; Animals ; Brain/*metabolism ; Chromatography, High Pressure Liquid ; Glutamates/*metabolism ; Glutamic Acid ; Mass Spectrometry ; Mice ; Neurons/*metabolism ; Peptide Fragments/analysis ; *Protein Processing, Post-Translational ; Tubulin/*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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    Tubulin polyglutamylase enzymes are members of the TTL domain protein family (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-05-14
    Description: Polyglutamylation of tubulin has been implicated in several functions of microtubules, but the identification of the responsible enzyme(s) has been challenging. We found that the neuronal tubulin polyglutamylase is a protein complex containing a tubulin tyrosine ligase-like (TTLL) protein, TTLL1. TTLL1 is a member of a large family of proteins with a TTL homology domain, whose members could catalyze ligations of diverse amino acids to tubulins or other substrates. In the model protist Tetrahymena thermophila, two conserved types of polyglutamylases were characterized that differ in substrate preference and subcellular localization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janke, Carsten -- Rogowski, Krzysztof -- Wloga, Dorota -- Regnard, Catherine -- Kajava, Andrey V -- Strub, Jean-Marc -- Temurak, Nevzat -- van Dijk, Juliette -- Boucher, Dominique -- van Dorsselaer, Alain -- Suryavanshi, Swati -- Gaertig, Jacek -- Edde, Bernard -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1758-62. Epub 2005 May 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre de Recherches de Biochimie Macromoleculaire, CNRS, 34293 Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890843" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; *Catalytic Domain ; Cilia/physiology ; Humans ; Mice ; Microtubules/metabolism ; Models, Molecular ; Molecular Sequence Data ; Movement ; Peptide Synthases/*chemistry/genetics/isolation & purification/*metabolism ; Phylogeny ; Polyglutamic Acid/*chemistry/genetics/isolation & purification/*metabolism ; Protein Conformation ; Protein Subunits/chemistry/isolation & purification/metabolism ; Recombinant Fusion Proteins/metabolism ; Substrate Specificity ; Tetrahymena thermophila/*enzymology/genetics/metabolism ; Tubulin/*chemistry/genetics/isolation & purification/*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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
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