TABLE 1.

Mutations in the deduced amino acid sequences of σ3 proteins used to define sequences that modulate susceptibility of σ3 to proteolysis

σ3 proteinLocation and nature of mutation(s)
Mutant A26, Y→C
Mutant B130, E→K
PI 3-1354, Y→H
Mutant A-B26, Y→C; 130, E→K
Mutant A-C26, Y→C; 354, Y→H
PI 2A1130, E→K; 354, Y→H
L/C26, Y→C; 130, E→K; 354, Y→H