. "\"Any process that stops or reduces the rate of ATP hydrolysis by an ATPase.\" [GOC:mah]" . . "negative regulation of ATPase activity" . "down regulation of ATPase activity" . "down-regulation of ATPase activity" . "downregulation of ATPase activity" . "negative regulation of adenosinetriphosphatase activity" . . . "inhibition of ATPase activity" .