Abstract
1. 1. Cyclic 3′,5′-AMP phosphodiesterase activity can be demonstrated in Saccharomyces carlsbergensis by measuring the 5′-AMP formation from cyclic 3′,5′-AMP.
2. 2. Enzymic activity was optimal at pH 8.5 and shows a 2-fold stimulation in the presence of 4 mM Mn2+; Mg2+, Ca2+ and EDTA hardly show any effect.
3. 3. ATP,
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