Table 1.

Distances of close approach, L, that yield the best fit of the model to the experimental data

Data set	L (nm)a	L (nm)b
ErbB1 15aa	3.0 ± 0.4	2.8 ± 0.4
ErbB2 15aa	3.8 ± 0.4	3.8 ± 0.2
ErbB1-FGFR1	2.6 ± 0.4	2.2 ± 0.4
Average	3.2 ± 0.6	3.0 ± 0.6
Fit to all data	3.0 ± 0.2	2.8 ± 0.2

^aOur model, given by Eqs. 6, 8, and 9.

^bModel of Snyder and Freire (19), given by Eqs. 6–8.