Fig. 1.Schematic diagrams of the Na/H exchanger (NHE1)
within the plasma membrane. (A) Schematic diagram illustrating dimeric structure
of NHE1 within a lipid bilayer. Arrows indicate direction of transport. (B)
Schematic diagram of NHE1 withing the lipid bilayer illustrating the two-domain
structure, and approximate locations within the membrane.