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Leucine aminopeptidase (bovine lens). Effect of pH on the relative binding of Zn2+ and Mg2+ to and on activation of the enzyme

The Journal of Biological Chemistry

Jan 10, 1976

G A Thompson, F H Carpenter

PMID: 402

Abstract

Incubation of leucine aminopeptidase (bovine lens) (EC 3.4.1.1) with various concentrations of Mg2+ at various pH values in 1 M KCl and 0.155 M trimethylamine-HCl at 37 degrees confirms that Mg2+ competes with Zn2+ for binding only 1 site per 54,000-dalton subunit. The ratio of the appa...read more

Mentioned in this Paper

HCl of trimethylamine
Magnesium Measurement
Enzymes, antithrombotic
Clinical Enzyme Tests (Procedure)
Complex (molecular entity)
Methoxyleucine Aminopeptidase
Leucine Aminopeptidase
Bos taurus
Ions
1-leucine-4-nitroanilide
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Leucine aminopeptidase (bovine lens). Effect of pH on the relative binding of Zn2+ and Mg2+ to and on activation of the enzyme

The Journal of Biological Chemistry

Jan 10, 1976

G A Thompson, F H Carpenter

PMID: 402

DOI:

Abstract

Incubation of leucine aminopeptidase (bovine lens) (EC 3.4.1.1) with various concentrations of Mg2+ at various pH values in 1 M KCl and 0.155 M trimethylamine-HCl at 37 degrees confirms that Mg2+ competes with Zn2+ for binding only 1 site per 54,000-dalton subunit. The ratio of the appa...read more

Mentioned in this Paper

HCl of trimethylamine
Magnesium Measurement
Enzymes, antithrombotic
Clinical Enzyme Tests (Procedure)
Complex (molecular entity)
Methoxyleucine Aminopeptidase
Leucine Aminopeptidase
Bos taurus
Ions
1-leucine-4-nitroanilide

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