Applied microbiology and biotechnology, 77(3), 699-703 (2007-09-29)
Fluorinated amino acids are used as enzyme inhibitors, mechanistic probes and in the production of pharmacologically active peptides. Because enantiomerically pure 4-fluoroglutamate is difficult to prepare, the selective degradation of the L-isomer is a potentially convenient method of obtaining D-4-fluoroglutamate
The Journal of biological chemistry, 258(13), 7897-7899 (1983-07-10)
Two pentapeptides Phe-Leu-X-Glu-Val where X is either the L-threo-gamma-fluoroglutamic acid or the L-erythro-isomer have been synthesized and tested as substrates in the vitamin K-dependent carboxylation. Both peptides are carboxylated, but the reaction occurs exclusively on the glutamic acid of the
Stereoisomers of 4-fluoroglutamic acid: influence on Escherichia coli glutamate decarboxylase.
Advances in enzyme regulation, 23, 13-23 (1985-01-01)
Methotrexate is glutamylated in cultured hepatoma cells to derivatives that contain a total of 2 to 5 gamma-glutamyl residues. The rate of polyglutamate formation and extent of accumulation are saturable with respect to both medium concentration of methotrexate and time.
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