Table 1. Net charges of r-proteins.

r-protein	E. coli	T. thermophilus
S2	−1	−7
S3	19	21
S4	17	23
S5	9	7
S6	−12	0
S7	14	15
S8	5	12
S9	16	16
S10	3	10
S11	15	16
S12	21	27
S13	14	20
S14	15	16
S15	8	8
S16	6	11
S17	6	15
S18	12	19
S19	12	10
S20	16	25
S21	14	12

Note: S21 for T. Thermophilus is called THX.