BIOCHEMICAL STUDIES ON 1-AMINOCYCLOPENTANE CARBOXYLIC ACID

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Abstract
The synthetic amino acid 1-aminocyclopentane carboxylic acid does not seem to be metabolized but is actively concentrated by slices of rat brain cortex and Ehrlich ascites carcinoma cells. Its transport into the ascites cells has much in common with that of methionine since they are both inhibited by similar groups of amino acids. Kinetic analysis of the inhibitory effects of glycine, D- and L-methionine, allyl glycine, and thienyl glycine on the transport of 1-aminocyclopentane carboxylic acid confirms the suggestion that this amino acid and methionine enter ascites cells as the result of the action of a common transport system.