Recombinant Nitrosomonas europaea K (+)-insensitive pyrophosphate-energized proton pump (hppA), partial

Store at -20 degrees C. For long-term storage, store at -20 degrees C or -80 degrees C. Store working aliquots at 4 degrees C for up to one week. Repeated freezing and thawing is not recommended.

[K+-insensitive pyrophosphate-energized proton pump; K(+)-insensitive pyrophosphate-energized proton pump; Membrane-bound proton-translocating pyrophosphatase]