Citrate Lyase: A Pantothenate-Containing Enzyme

  1. Paul A. Srere,
  2. Brigitte Böttger, and
  3. George C. Brooks
  1. Basic Biochemistry Unit, the Veterans Administration Hospital, The University of Texas Southwestern Medical School, Dallas, Texas 75216
  2. Biochemistry Department, The University of Texas Southwestern Medical School, Dallas, Texas 75216

Abstract

Citrate lyase from Klebsiella aerogenes inactivated by reaction in the presence of substrate or by treatment with hydroxylamine can be reactivated with acetic anhydride only if its sulfhydryl groups are reduced. Alkaline hydrolysis of pure citrate lyase yields about 3 mol of phosphopantothenate per mol of enzyme.

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  1. PNAS 1972-05 vol. 69 no. 5 1201-1202
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