Insulin peptide hormone. Important drug in treatment of diabetes. Shown in the hexameric form, bound to zinc ions. Stylized combination of a semi-transparent surface model with a cartoon representation. A chains pink, B chains blue.

“Scientists have edged one step closer to a major treatment for (and possibly cure for) type 1 diabetes. A UCSF team has claimed it’s the first to turn human stem cells into the mature, insulin-producing cells that type 1 patients don’t have. The key was to acknowledge a reality in the development of islets, or clusters of healthy beta cells (which generate insulin) in the pancreas. They…”

Source: https://www.engadget.com/2019/02/03/stem-cells-may-treat-type-1-diabetes/