7.2.2.9 4.6 6.9 ability of wild-type ATP7B to transport copper when exposed to 2 microM copper shown to be greater at pH 4.6 than at pH 6.9, ATP-dependent accumulation of cisplatin shown at 4.6 689075 7.2.2.9 5 9 ATPase activities stimulated by Ag+ 688411 7.2.2.9 5 9 ATPase activities stimulated by Cu2+ measured at different pH values 688411