Re: Plant-derived insulin What’s the distinction between this image (from the course): <img src=http://www.cryst.bbk.ac.uk/pps97/course/section11/ins_sol3.gif> and this one (from your prior post): <img src=http://www.cryst.bbk.ac.uk/pps97/course/section11/ins_sol4.gif> T.i.a.