Pig liver pyruvate carboxylase. Purification, properties and cation specificity.

Abstract

1. Pyruvate carboxylase was purified to apparent homogeneity from pig liver mitochondria and shown to be free of all kinetically contaminating enzymes. 2. The enzyme has a mol. wt. of 520000 and is composed of four subunits, each with a mol. wt. of 130000. 3. The enzyme can exist as the active tetramer, dimer and monomer, although the tetramer appears to be… (More)

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