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The necessity of magnesium cation for acid assistance aglycone departure in catalysis by Escherichia coli (lacZ) beta-galactosidase.
1. Removal of Mg2+ from Escherichia coli (lacZ) beta-galactosidase slightly increases the rate of hydrolysis of galactosyl pyridinium salts, but decreases the rate of hydrolysis of arylgalactosides. 2. Fair correlation of logkcat. and log (Km) with the pKa of aglycone is now observed for arglygalact...
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Autori principali: | , |
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Natura: | Artigo |
Lingua: | Inglês |
Pubblicazione: |
1978
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Soggetti: | |
Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1186101/ https://ncbi.nlm.nih.gov/pubmed/105722 |
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