Enzyme III stimulation of cyclic AMP synthesis in an Escherichia coli crp mutant.
AUTOR(ES)
Daniel, J
RESUMO
Cyclic AMP (cAMP) synthesis in Escherichia coli is altered in cAMP receptor protein mutants and in phosphoenolpyruvate:sugar phosphotransferase transport system mutants. The stimulation of cAMP synthesis observed in cAMP receptor protein-deficient mutants is largely dependent upon enzyme III of the phosphoenolpyruvate:sugar phosphotransferase transport system. The phosphoenolpyruvate:sugar phosphotransferase transport system enzyme I is not required for elevated cAMP synthesis. These results suggest that enzyme III plays an important role in regulating adenylate cyclase activity.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=215351Documentos Relacionados
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