membrane vesicles of escherichia coli prepared by osmotic lysis of lysozyme ethylenediaminetetracetate ( edta ) spheroplasts have approximately 60 % of the total membrane-bound reduced nicotinamide adenine dinucleotide ( nadh ) dehydrogenase ( ed 1.6.99.3 ) and mg2+-adenosine triphosphatase ( atpase ) ( ec 3.6.1.3 ) activities exposed on the outer surface of the inner membrane .
C0001477
mg2
C0001473
atpase