Ouabain and Na/K ATPase inhibition

[nikkilici0us]

I have this question to answer for my cell bio class:

"During the transport process, the Na/K ATPase becomes transiently phosphorylated. What do you think this suggests about a likely mechanism for ouabain inhibition of this pump? How might this reaction be reversed, both endogenously and experimentally?"

So.. we know that ouabain inhibits the binding of phosphate.. by inhibiting a kinase.
But how would this be reversed endogenously and experimentally?

Thanks!
Nikki

[JackBean]

that depends on the mechanism of ouabain