Abstract:In this study, we have characterized the covalent binding of [14C]-2-chloro-4-acetotoluidide (CAT) radioactivity to microsomes of starling liver and kidney. The maximal velocity (Vmax) of covalent binding and apparent Michaelis constant (Km) for both tissues were similar. The Vmax for liver and kidney were 52.8 and 68.9 pmol/min/mg protein, and the apparent Kms were 0.54 and 0.87 mM, respectively. The covalent binding of radioactivity to heat-denatured microsomes of liver and kidney was reduced by 62% and 15%,… Show more
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