The Journal of General Physiology . Volume 114, No. 6, December 1999. 819–838.

Page 836

Model A6 of the original paper contained a typographical error. The corrected model appears below.

$\mathrm{Metal\ occupancy}=\frac{\left(1+\mathit{a}\frac{\mathit{H}}{\mathit{K}_{a}}\right)^{\mathit{n}}}{\left(1+\mathit{a}\frac{\mathit{H}}{\mathit{K}_{a}}\right)^{\mathit{n}}+\frac{\mathit{K}_{M}}{\mathit{M}}\left(1+\frac{\mathit{H}}{\mathit{K}_{a}}\right)^{\mathit{n}}}$