How does phenyl isothiocyanate, Ph−N=C=S, react with a peptide in the Edman degradation?
A) the sp carbon acts as an electrophile in a reaction with an amino group of the peptide
B) the sulfur acts as a nucleophile and adds to the carbon of the peptide bond
C) the nitrogen acts as a nucleophile and adds to the carbon of the peptide bond
D) the sp carbon acts as an electrophile in a reaction with a carboxylate of the peptide
Correct Answer:
Verified
Q22: Consider the following octapeptide.
Ala-Val-Trp-Lys-Phe-Gly-Arg-Met
The fragments that would
Q23: Which of the following reagents can be
Q24: Which of the following is not a
Q25: Valylalanine and alanylvaline are constitutional isomers.
Q26: Which of the following tripeptides is not
Q28: Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition
Q29: Which of the bonds in the following
Q30: To what structural feature does the term
Q31: To what structural feature does the term
Q32: The molecule shown below is an α-amino
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents