Figure 6.
Seipin forms a toroid. Negative staining of (A) affinity-purified seipin-myc13 from overexpressing cells, eluted from antibody column with elution buffer from the manufacturer. (B and C) Affinity-purified seipin-TEVsite-myc13 (C) eluted with TEV protease or a parallel sample from nonexpressing cells (B).