Effect of putrescine on the synthesis of S-adenosylmethionine decarboxylase
- PMID: 3606578
- PMCID: PMC1147846
- DOI: 10.1042/bj2430285
Effect of putrescine on the synthesis of S-adenosylmethionine decarboxylase
Abstract
The synthesis of S-adenosylmethionine (AdoMet) decarboxylase was studied by translating the rat prostate mRNA for this enzyme in a reticulocyte lysate. The protein was formed as a precursor of Mr 37,000, which was converted into the enzyme subunit of Mr 32,000 in the lysates. The presence of putrescine had no effect on the synthesis of the precursor of AdoMet decarboxylase, but accelerated its conversion into the enzyme subunit. Spermidine, spermine, decarboxylated AdoMet, AdoMet and methylglyoxal bis(guanylhydrazone) were not able to substitute for putrescine in this effect. These results indicate that, in addition to its direct activation of mammalian AdoMet decarboxylase, putrescine could increase the amount of the enzyme by increasing its production.
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