Abstract
The inorganic pyrophosphatase activity of a soluble extract from the strict anaerobe, sulfate-reducing, Desulfovibrio vulgaris , is readily resolved into two peaks. After purification, two active proteins with very dissimilar properties are obtained. One is the non-heme iron-containing rubrerythrin, with a specific activity of 350 pyrophosphate hydrolyzed, min −1, mg protein −1. The other, a protein of Mr = 39,000, with a specific activity of 12,000.
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More From: Biochemical and Biophysical Research Communications
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