Table 2. Columns are as follows. , where α₁ is the rate of primary nucleation and α₂ is the rate of secondary nucleation^a.

mutant	λ	κ	κ/λ	longer fibrils?	saturated?
A2S	∼	∼	∼	Y	Y
A2T	∼	∼	∼	Y	Y
F4A	↓	∼	↑	Y	N
F4S	↓	∼	↑ ↑	∼	Y
V12A	↓ ↓	↓	↑ ↑	Y	N
V12S	↓ ↓	↓	↑ ↑	Y	N
Y10A	↓	↓	∼	Y	N
Y10F	↓	∼	↑ ↑	∼	Y
Y10S	↓	↓	∼	Y	Y

^aFibril length trends are in the penultimate column, and mean fibril length is known to equal . The final column refers to the saturation of secondary nucleation. Double arrows mean changes of more than an order of magnitude. Tildes mean changes of less than a factor of 2.