Table 1.

The most probable force and extension values obtained from the 4D histograms of APT33 and APT45 in Fig. 8, under seven loading rates

Loading rate (nN s−1)	Peak coordinate values [force (pN), extension (nm)]
	APT33	APT45
1.0	[40,20], [60,30], [80,50]	[20,20], [40,30], [80,40]
10	[40,30], [60,40], [80,50]	[40,20], [60,30], [80,40], [100,50]
20	[40,40], [60,50], [80,60]	[20,20], [40,30], [60,40], [120,50]
50	[60,20], [80,30], [120,40]	[40,20], [60,30], [80,40], [140,50]
100	[40,30], [80,40], [110,50]	[40,30], [60,40], [100,50], [140,60]
200	[40,50], [80,60], [120,70]	[40,40], [80,60], [120,70]
400	[40,30], [80,50]	[40,30], [60,40], [80,50], [120,60]