myo-Inositol 1-Phosphate Synthase Inhibition and Control of Uridine Diphosphate-d-glucuronic Acid Biosynthesis in Plants | Zendy

Mary W. Loewus | Zendy; Frank A. Loewus | Zendy

Open Access

myo-Inositol 1-Phosphate Synthase Inhibition and Control of Uridine Diphosphate-d-glucuronic Acid Biosynthesis in Plants

Author(s) -

Mary W. Loewus,

Frank A. Loewus

Publication year - 1974

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.54.3.368

Subject(s) - glucuronic acid , biosynthesis , atp synthase , biochemistry , uridine diphosphate , chemistry , inositol , phosphate , enzyme , uridine , rna , polysaccharide , receptor , gene

Of the eight intermediates associated with the two pathways of UDP-d-glucuronic acid biosynthesis found in plants, only d-glucuronic acid inhibited myo-inositol 1-phosphate synthase (EC 5.5.1.4), formerly referred to as d-glucose 6-phosphate cycloaldolase. Inhibition was competitive. An attempt to demonstrate over-all reversibility of the synthase indicated that it was less than 5% reversible, if at all.

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