Table 2.

Comparison of experimental and calculated sedimentation coefficients (s_20,w) for different Rep68 oligomers

Oligomer	Mass (kDa)		s20,w (S)
	Sequence	Experimentala	Experimentala	Calculated from modelb
Monomer	60.8	61.4	3.7	3.4
Dimer	121.6	114	5.4	5.5
Trimer	182.4	215c	8.7c	7
Tetramer	243.2			8.3
Hexamer	364.8	NDd	ND	11.1
Heptamer	425.6	412c	13.3c	12.5
Octamer	486.4			13.6

^aMass and sedimentation coefficients calculated from the corresponding peak position of the sedimentation profiles and f/f₀ values determined with the SEDFIT program.

^bSedimentation coefficients calculated from atomic models using the program UltraScan-SOMO.

^cCalculated from broad peaks that do resolve into two or more peaks with these data.

^dND, not determined.