Added ion or biomolecule | Concentration (mM) | k(min−1) ± SEM (n = 4) | |
---|---|---|---|
− | (control) | 0.085 ± 0.006 | |
Na+ | 8 | RBC concentration | 0.067 ± 0.006 |
Na+ | 150 | serum concentration | 0.031 ± 0.004 |
K+ | 150 | RBC concentration | 0.045 ± 0.005 |
Mg2+ | 1.75 | RBC concentration | 0.038 ± 0.005f |
Mg2+ | 1.5 | serum concentration | 0.050 ± 0.005 |
Ca2+ | 3 | serum concentration | 0.030 ± 0.005f |
H2PO4− | 1 | RBC concentrationb | 0.033 ± 0.004 |
HCO3− | 15 | RBC concentrationc | 0.026 ± 0.004 |
ATP | 1.5 | RBC concentration | 0.039 ± 0.005 |
all ions combined | d | RBC concentrations | 0.037 ± 0.006 |
all ions combined | e | serum concentrations | 0.037 ± 0.003 |
glutathione | 2.48 | RBC concentration | 0.024 ± 0.003g |