Sodium Potassium pump

[Deat]

I understand that this involves the movement from low concentration to high concentration, but does it require specalised channel proteins, and why is the phosphate required to change the shape to push the potassium out.

[Tranc3r]

Here's a really nicely explained video, it should answer your questions. I learned so much from this than my teacher who lectured about it for 1.5 hours.

http://www.youtube.com/watch?v=DJe3_3XsBOg it also has Closed Captioning, so it shows, typed up, what is being said in sync of the narrator.

[JackBean]

the phosphate is used to change the conformation of the protein