Results 201 to 210 of about 18,230 (249)
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Journal of Structural Biology, 2021
In Saccharomyces cerevisiae, the glyoxylate cycle is controlled through the posttranslational regulation of its component enzymes, such as isocitrate lyase (ICL), which catalyzes the first unique step of the cycle. The ICL of S.cerevisiae (ScIcl1) is tagged for proteasomal degradation through ubiquitination by a multisubunit ubiquitin ligase (the ...
Koji Yonekura +7 more
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In Saccharomyces cerevisiae, the glyoxylate cycle is controlled through the posttranslational regulation of its component enzymes, such as isocitrate lyase (ICL), which catalyzes the first unique step of the cycle. The ICL of S.cerevisiae (ScIcl1) is tagged for proteasomal degradation through ubiquitination by a multisubunit ubiquitin ligase (the ...
Koji Yonekura +7 more
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ISOCITRATE LYASE IN AN ALGINOLYTIC BACTERIUM [PDF]
Canadian Journal of Microbiology, 1963 Glyoxylate has been discerned as an apparent intermediate in mannuronate dissimilation by A. alginicum. Isocitrate lyase was demonstrated in extracts of the bacterium, even after prolonged culture on seawater nutrient broth. Resting cells were able to oxidize glyoxylate slowly, but none of the enzymes usually accounting for glyoxylate catabolism were ...
William J. Payne +2 more
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Isocitrate lyase of conifers (Pinus pinea
International Journal of Biochemistry, 19821. Isocitrate lyase has been purified about 60 times from the conifer Pinus pinea. A first characterization was made. 2. The high instability is an important feature of this enzyme from higher plants, this causes serious problems in the purification and characterization. 3.
PINZAUTI, GIANCARLO +2 more
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Isocitric Lyase and Isocitric Dehydrogenase in Germinating Lettuce
Physiologia Plantarum, 1968AbstractA soluble isocitric lyase is shown to occur in lettuce seeds. Its activity increases during germination till 72 hours and then falls again. No particulate lyase could be detected. In addition both a soluble and a particulate isocitric dehydrogenase is present in the seeds. Both enzymes react with NAD as well as with NADP.
Alexandra Poljakoff-Mayber +2 more
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Phosphorylation of isocitrate lyase in Escherichia coli
Biochimie, 1989Isocitrate lyase from Escherichia coli becomes phosphorylated in vitro by an endogenous kinase when partially purified extracts are incubated with [gamma-32P]ATP. Treatment of isocitrate lyase with histidine modifying reagents, and alkaline hydrolysis of in vitro phosphorylated enzyme indicated the presence of a phosphohistidine residue ...
Eugene F. Robertson, Henry C. Reeves
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The occurrence and assay of isocitrate lyase in algae
Archives of Biochemistry and Biophysics, 1964Abstract A modified method of isocitrate lyase assay is described which, coupled with the phenylhydrazone assay of keto acids, allows an accurate and definitive measurement of the enzyme activity. This eliminates the ambiguity associated with the use of only one assay of a nonspecific nature, such as the semicarbazone or phenylhydrazone methods. The
Harry Beevers, W.Geoffrey Haigh
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Active site modification of isocitrate lyase
Biochemical and Biophysical Research Communications, 1969Abstract β-Bromopyruvate (BrP) alkylates isocitrate lyase at the active site as indicated by the following: (1) the irreversible alkylation shows saturation kinetics, (2) substrate, isocitrate, is a competitive inhibitor of inactivation by BrP, (3) the combination of products, glyoxylate and succinate, or a competitive inhibitor of the enzyme ...
Thomas E. Roche, Bruce A. McFadden
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The role of isocitrate lyase in the metabolism of algae
Proceedings of the Royal Society of London. Series B. Biological Sciences, 1966The incorporation of isotope from [2- 14 C]ethanol by cultures of the Brannon no. 1 strain of Chlorella vulgaris , growing on ethanol aerobically in the dark, was consistent with the operation of the tricarboxylic acid and glyoxylate cycles. Results obtained with [l- 14
H.L. Kornberg, Linda C. Harrop
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Isocitrate lyase from higher plants
Phytochemistry, 1987Abstract Work on isocitrate lyase, the first enzyme unique to the glyoxylate cycle, is reviewed.
GIACHETTI, EUGENIO +4 more
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Genetics and function of isocitrate lyase in Coprinus
Molecular and General Genetics MGG, 1977Thirteen chromosomal loci have been identified which affect acetate metabolism in Coprinus. Mutants at only two loci, acu-l and acu-7, are deficient in isocitrate lyase (ICL) (EC 4.1.3.1) activity. acu-1 mutants are unable to induce ICL because they lack acetyl-CoA synthetase which is required to convert acetate to the metabolic inducer of ICL.
Lorna A. Casselton, Hilary B. King
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