Fig. 2. Complex 2: streptavidin-conjugated IgG. (A) Native protein gel electrophoresis of crude Complex 2. (B) Size-exclusion chromatograms of fractions of Complex 2. [Retention time, ∼molecular weight, identity] (i) [35.4 min, ∼210 kDa, IgG + 1 streptavidin]. (ii) [32.2 min, ∼260 kDa, IgG + 2 streptavidin]. (iii) [29.9 min, ∼313 kDa, IgG + 3 streptavidin]. (iv) [28.6 min, ∼366 kDa, IgG + 4 streptavidin].
