Vasopressin regulates the excretion of water by the kidneys, as noted in the "A Word about Some Naturally Occurring Peptides" (on page 503).
a. Write the structure of the product expected from the reaction of vasopressin with a mild oxidizing agent, such as hydrogen peroxide.
b. What are your expectations of the three-dimensional structure for vasopressin as compared to the product from the H2O2 reaction?