Fig. 7. Reconstituted polar and aromatic residues mediate correct oligomerization of constructs with a poly-leucine TMD. Disulfide-linked oligomerization of different GM constructs was tested as described in Fig. 2 except that only one time point was examined (15 minutes). Monomeric (1x), dimeric (2x) and hexameric (6x) forms of GM constructs are indicated by arrows. Molecular weight markers are shown at left margin.