Zobrazeno 1 - 10 of 424 pro vyhledávání: '"G. PopjáK"'
1
Akademický článek
Studies on the biosynthesis of cholesterol: XIV. the origin of prenoic acids from allyl Pyrophosphates in liver enzyme systems
Autor: J. Christophe, G. Popják
Publikováno v: Journal of Lipid Research, Vol 2, Iss 3, Pp 244-257 (1961)
Allyl pyrophosphates (3,3-dimethylallyl, geranyl, and farnesyl pyrophosphate), which are known intermediates in the biosynthesis of squalene from mevalonate, are also metabolized in the liver by an alternative pathway to acids. The first step in the
Externí odkaz: https://doaj.org/article/4930d6323dd0415f9a34a539aec3d637
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2
Akademický článek
Studies on the biosynthesis of cholesterol: XIII. phosphomevalonic kinase from liver
Autor: Hermione Hellig, G. Popják
Publikováno v: Journal of Lipid Research, Vol 2, Iss 3, Pp 235-243 (1961)
The enzyme, phosphomevalonic kinase, which catalyzes the formation of 5-pyrophosphomevalonate from 5-phosphomevalonate and ATP has been purified from pig liver. The reaction is reversible, the position of equilibrium lying on the side of the forward
Externí odkaz: https://doaj.org/article/c390ec92d3d0438a85d221870b083e20
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3
Akademický článek
Studies on the biosynthesis of cholesterol: XII. synthesis of allyl pyrophosphates from mevalonate and their conversion into squalene with liver enzymes
Autor: Dew.S. Goodman, G. Popják
Publikováno v: Journal of Lipid Research, Vol 1, Iss 4, Pp 286-300 (1960)
The biosynthesis of allyl pyrophosphates (the pyrophosphates of dimethylallyl alcohol, geraniol, and of farnesol) from dl-mevalonate-2-C14 and from (-)5-phosphomevalonate-2-C14 with soluble liver enzymes in the presence of ATP and Mg++ is described.
Externí odkaz: https://doaj.org/article/f044a7f721874b379213886aa3917404
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4
Akademický článek
Scintillation counter for the measurement of radioactivity of vapors in conjunction with gas-liquid chromatography
Autor: G. Popják, A.E. Lowe, D. Moore, L. Brown, F.A. Smith
Publikováno v: Journal of Lipid Research, Vol 1, Iss 1, Pp 29-39 (1959)
The construction and performance of a liquid scintillation counter for the measurement of radioactive vapors is described. The instrument is used in conjunction with a gas-liquid chromatographic instrument for the measurement of C14 contained in chro
Externí odkaz: https://doaj.org/article/c2dd7c68538543118dfef751acdcf4d9
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5
Akademický článek
Scintillation counter for simultaneous assay of H3 and C14 in gas-liquid chromatographic vapors
Autor: G. PopjáK, A.E. Lowe, D. Moore
Publikováno v: Journal of Lipid Research, Vol 3, Iss 3, Pp 364-371 (1962)
An instrument for the assay of H3 and of C14 in gas-liquid chromatographic effluents is described. The radioactive analysis is practically simultaneous with the mass-analysis. By the use of coincidence circuitry and pulse-height analysis with discrim
Externí odkaz: https://doaj.org/article/767c465b47384b71b6c2bfecc5e59539
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8
In vitro identification of a soluble protein:geranylgeranyl transferase from rat tissues
Autor: G Popják, Alison Joly, Peter A. Edwards
Publikováno v: Journal of Biological Chemistry. 266:13495-13498
The gamma subunit of mammalian trimeric G proteins has been shown previously to be modified in vivo on a cysteine residue situated at the carboxyl-terminal sequence-Cys-Ala-Ile-Leu-COOH by a 20-carbon prenyl moiety geranylgeranyl (Mumby, S. M., Casey
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cf7b094983f68823dcaa9cd25b5bc16
https://doi.org/10.1016/s0021-9258(18)92724-9
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