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. Author manuscript; available in PMC: 2016 Nov 16.
Published in final edited form as: Nat Struct Mol Biol. 2016 May 16;23(6):590–599. doi: 10.1038/nsmb.3230

Table 1.

Concentration-dependent Na+ occupancy of outward-facing NCX_Mj

Sites \ [Na+] 2.5 mM 10 mM 20 mM 100 mM 150 mM
Sint 0.84 0.92 0.99 0.96 1.00
SCa 0.75 0.87 0.97 1.00 1.00
Sext - - 0.59 0.79 0.93
Total 1.58 1.79 2.55 2.75 2.93
Conformation Partially open Partially open Mixed Occluded Occluded