reduced nicotinamide adenine dinucleotide ( nadh ) oxidase ( reduced nad : oxidoreductase , ec 1.6.99.3 ) and mg2+-ca2+-activated adenosine triphosphatase ( atp phosphohydrolase , ec 3.6.1.3 ) , which are normally localized to the inner surface of the cytoplasmic membrane , were 50 % acceesible to their polar substrates in these vesicles .
C0001477
mg2
C0001473
atp phosphohydrolase