Specific phospholipid requirement for activity of the purified respiratory chain NADH dehydrogenase of Escherichia coli.

Abstract

The highly purified respiratory chain NADH dehydrogenase (EC 1.6.99.3) of Escherichia coli is inactive in the absence of detergent or phospholipid. Triton X-100 is the detergent that gives optimal activity, but the Triton X-100-activated enzyme is stimulated an additional 2-fold by E. coli phospholipids. Phosphatidylglycerol and diphosphatidylglycerol are… (More)

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