Identification of L-methionine S-sulfoximine as the diastereoisomer of L-methionine SR-sulfoximine that inhibits glutamine synthetase.

Adenosine Triphosphate Amino Acids/analysis Animals Autoanalysis Brain/enzymology Carbon Isotopes Chromatography, Ion Exchange Glutamine Leucine Ligases/antagonists & inhibitors Magnesium Methionine/analysis Methionine Sulfoximine/analysis,isolation & purification Models, Structural Phosphates/analysis,isolation & purification Sheep Stereoisomerism

Amino Acids Carbon Isotopes Phosphates Glutamine Methionine Sulfoximine Adenosine Triphosphate Methionine Ligases Leucine Magnesium