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Reconstitution of processive selenocysteine incorporation in wheat germ lysate provides insight into selenocysteine insertion sequence binding proteins
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Pinkerton, Mark Hurst. Reconstitution of processive selenocysteine incorporation in wheat germ lysate provides insight into selenocysteine insertion sequence binding proteins. Retrieved from https://doi.org/doi:10.7282/t3-pt14-eq83

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TitleReconstitution of processive selenocysteine incorporation in wheat germ lysate provides insight into selenocysteine insertion sequence binding proteins
NamePinkerton, Mark Hurst (author); Brewer, Gary (chair); Copeland, Paul R (internal member); Madura, Kiran (internal member); Anthony, Tracy G (outside member); Rutgers University; School of Graduate Studies
Date Created2019
Other Date2019-10 (degree)
SubjectBiomedical Sciences, Translation, Selenoproteins
Extent1 online resource (x, 191 pages) : illustrations
DescriptionA UGA stop codon is recoded to accommodate the incorporation of the 21st amino acid selenocysteine (Sec). For a UGA to be recoded a specialized set of cis and trans factors are required and consist of: an mRNA with an in frame UGA codon, a selenocysteine insertion sequence (SECIS) in the 3’ untranslated region (3’ UTR), a SECIS binding protein 2 (SBP2), a specific translation elongation factor (eEFSec), and a selenocysteine tRNA (Sec-tRNA[Ser]Sec). The N-terminus of SBP2 is believed to have no direct role in Sec incorporation because the C terminus of SBP2 is sufficient for the incorporation of Sec into selenoproteins that have one Sec codon. Selenoprotein P (SELENOP) is an essential selenoprotein for male fertility and proper neuron function. SELENOP is also unique in that it contains 10 selenocysteines and is involved in selenium uptake and transport. Interestingly, an in vitro translation system using wheat germ lysate, has no endogenous selenocysteine incorporation factors, cannot synthesize full length SELENOP even when all the known factors are added. The aim of this thesis is to gain insight into the mechanism of processive eukaryotic selenocysteine incorporation by in vitro reconstitution and bioinformatics.
NotePh.D.
NoteIncludes bibliographical references
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/t3-pt14-eq83
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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