Table 1.

Different mutants of CS proteins

Protein	Cys-361	Cys-365	Cys-396	Cys-401
CS1	Cys	Cys	Cys	Cys
CS3	Cys	Cys	Ala	Cys
CS4	Cys	Cys	Cys	Ala
CS5	Cys	Cys	Ala	Ala
CS8	Ala	Cys	Cys	Cys
CS9	Cys	Ala	Cys	Cys
CS10	Ala	Ala	Cys	Cys
CS11	Ala	Cys	Ala	Cys
CS12	Cys	Ala	Cys	Ala
CS13	Ala	Cys	Cys	Ala
CS14	Cys	Ala	Ala	Cys
CS15	Ala	Ala	Ala	Ala