WS-14.2-Oxytocin
Question Description
Worksheet solving of Chemistry:
Oxytocin is a polypeptide that acts as a hormone. Its structure is shown below.
a. If oxytocin undergoes complete hydrolysis, how many amino acids would be produced? ___________
b. Notice that the polypeptide chain is cyclized; two cysteine residues form a covalent bond between their sulfur atoms (a disulfide bond). When the disulfide bond is broken, each S atom will gain a hydrogen atom (to become a thiol alcohol). Break the disulfide bond and draw the uncyclized polypeptide chain. Follow the convention and draw the polypeptide with the N-terminus on the left and C-terminus on the right.
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