Table 2.

Dissociation constants determined for the interaction of Mrs6 and GDI with Rab/Ypt proteins

Protein	Ypt1	Ypt51	Ypt7	Sec4	Rab7
Mrs6	37±4 nM	320±18 nM	516±33 nM	4.2±0.5 nM	33±7 nM
GDI	36±5 μM		6±1 μM
The error margins represent the least-squares uncertainty of the fit.