Table 1.
Best-fit parameter values of the catch-bond model for the various experimental complexes shown in Figs. 3 and 4
| Complex | E1, kBT | E0, kBT | d, nm | r0, nm |
| Psel/(s)PSGL-1 | 9.3(2) | 17.2(3) | 0.56(2) | 2.0(1) |
| Psel/G1 | 0 | 26.73(4) | 0.51(3) | 2.0* |
| Lsel/PSGL-1 | 10.2(7) | 20.3(6) | 0.14(4) | 0.38(7) |
| LselN138G/PSGL-1 | 8.7(6) | 21.8(5) | 0.14(4) | 0.38(7) |
| Lsel/6-sulfo-sLex | 8.7(7) | 22.7(4) | 0.17(4) | 0.23(5) |
| LselN138G/6-sulfo-sLex | 7.0(7) | 24.3(3) | 0.17(4) | 0.23(5) |
| Integrin–fibronectin | 12(1) | 23(1) | 0.7(1) | 0.5(2) |
| Actin–myosin (ADP) | 4.1(3) | 18.2(5) | 0.47(4) | 2.6(5) |
| Actin–myosin (rigor) | 3.9(4) | 18.4(8) | 0.50(5) | 2.2(7) |
Parentheses denote uncertainties in the least significant digit.
*
For this Psel slip-bond system, the lack of data at small forces prevents independent fitting of r0, so its value is set to the r0 for Psel/(s)PSGL-1.