Abstract
Summary
The supernatant fraction of chick liver is the principal source of the PGA to CF converting enzyme system. The latter is precipitated by 40% alcohol. Homocysteine consistently enhances PGA to CF conversion by the chick liver fractions. The enzymatic synthesis of CF from PGA by acetone powders of chick liver is optimal in presence of homocysteine, serine, and Mg++. Under these conditions the glycine content of the acetone powder is increased 4-fold.
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