TABLE I
Ion Selectivity of VDAC


 






                                                                                                                                           Panion/Pcation

Salt
Open State
Closed State
K+ Cl–
5.1
0.15
Na+ H2PO4–
1.9
0.093
Na+ HPO42–
0.53
0.035
Na+ Succinate2–
0.61
0.021
Na+ Citrate3–
0.54
0.044

 

                                                From Hodge and Colombini in preparation
                                                Note: The H2PO4- and HPO42- experiments were run at pH 5.5 and 8 resp. The rest were run at pH 7.