Table 2.

Association of ScrY-peptides from dynamic light scattering data^a

Peptide no.	pH	α-helix (%)b	RH (nm)c	Vsph (Å3)d	m.w.exp (kDa)e	m.w.corr. (kDa)f	m.w.seq. (kDa)g	Association
1	6	100	1.71	20944	10.5	3.59	3.41	3
	10	67	1.74	22066	11.5	3.80	3.41	3
2	6	14	2.39	57185	24.0	5.56	10.28	2
	10	—	2.31	51632	22.1	5.48	10.28	2
3	6	40	2.17	42802	19.5	4.14	5.14	4 (2)
	10	—	2.37	55761	23.5	5.53	5.14	4 (2)
4	6	37	2.09	38240	17.6	5.53	6.05	3

^a Solution concentrations of 1.4–4 × 10⁻³ M were determined.

^b Estimation of % α-helicity from CD spectra.

^c Average of 10 single determinations.

^d Volume estimated for a spherical polypeptide.

^e Molecular weight estimated from R_H for a spherical polypeptide.

^f Molecular weight estimated from R_H with ellipticity correction according to α-helical coiled-coil shape.

^g Sequence molecular weight.