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Histondeacetylase 4
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Die Histondeacetylase 4 (HDAC 4) ist ein Enzym, das Acetylierungen von Histonen entfernt und somit unter anderem an der Kondensierung des Chromatins und an der Differenzierung von bestimmten Zellen beteiligt ist.
Contents
β’ Eigenschaften
β’ Literatur
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Eigenschaften
Die HDAC4 kann ihrerseits durch Phosphorylierung, Sumoylierung, Carbonylierung, Ubiquitinierung und Proteolyse modifiziert werden.cite-ref-doi10-2217-epi-13-73-1-0[1] Die HDAC 4 ist eine Histondeacetylase der Klasse II (HDAC/acuc/apha-Familie). Durch Bindung an die Transkriptionsfaktoren MEF2C und MEF2D wird HDAC 4 in die NΓ€he der DNA rekrutiert. HDAC bindet an den Proteinkomplex aus RbAp48 und HDAC3.cite-ref-entrez-2-0[2] HDAC4 ist notwendig fΓΌr die Differenzierung von Myofibroblasten durch TGFbeta1.cite-ref-3[3] HDAC 4 ist an der Entwicklung von Muskeln und Knochen beteiligt.
Literatur
β’ Jeremy M. Berg, John L. Tymoczko, Lubert Stryer: Biochemie. 6. Auflage, Spektrum Akademischer Verlag, Heidelberg 2007. ISBN 978-3-8274-1800-5.
β’ Donald Voet, Judith G. Voet: Biochemistry. 3. Auflage, John Wiley & Sons, New York 2004. ISBN 0-471-19350-X.
β’ Bruce Alberts, Alexander Johnson, Peter Walter, Julian Lewis, Martin Raff, Keith Roberts: Molecular Biology of the Cell, 5. Auflage, Taylor & Francis 2007, ISBN 978-0-8153-4106-2.
Einzelnachweise