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The mitochondrial glycine cleavage system. Unique features of the glycine decarboxylation. Mol Cell Biochem 1982; 45:137-49. [PMID: 6750353 DOI: 10.1007/bf00230082] [Citation(s) in RCA: 91] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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The mitochondrial glycine cleavage system. Purification and properties of glycine decarboxylase from chicken liver mitochondria. J Biol Chem 1980. [DOI: 10.1016/s0021-9258(19)70183-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Mechanism of reversible glycine cleavage reaction in Arthrobacter globiformis. Function of lipoic acid in the cleavage and synthesis of blycine. Arch Biochem Biophys 1976; 173:71-81. [PMID: 1259444 DOI: 10.1016/0003-9861(76)90236-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Serine-glyoxylate aminotransferase from kidney bean (Phaseolus vulgaris). II. The reverse reactions. BIOCHIMICA ET BIOPHYSICA ACTA 1974; 370:96-101. [PMID: 4429709 DOI: 10.1016/0005-2744(74)90035-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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The glycine cleavage system: composition, reaction mechanism, and physiological significance. Mol Cell Biochem 1973; 1:169-87. [PMID: 4585091 DOI: 10.1007/bf01659328] [Citation(s) in RCA: 245] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Abstract
Radioactive tracer experiments indicate that acetate, injected into the top internode of wheat plants, is metabolized during a 24-h period and that it is utilized before translocation from the stem. Movement of tracer was largely toward the head of the plant, the kernel constituents becoming especially radioactive. Free glutamic acid was an early metabolic product of acetate, but protein-bound glutamic acid did not reach a maximum specific activity until between the 1st and 3rd days after injection of the tracer. The maximum specific activity of kernel-protein glutamic acid occurred at about the same time as it exceeded the specific activity of the free glutamic in the kernels. However, the relationship between the specific activities of free and protein-bound glutamic acid of other plant parts was not consistent with the view that the protein glutamic acid was derived solely from a uniform pool of free glutamic acid in the particular plant part being considered.14C incorporated by exposing the head of the wheat plant to14CO2was effectively retained in the head, but extensive transport of14C from the chaff to the kernel was observed. When the leaf of the plant was exposed to14CO2there was extensive respiration of14C Appreciable amounts of14C appeared in the head of the plant and some translocation of tracer to lower stem parts was observed.
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