View the step-by-step solution to:

Question

This question was created from Extra Peptide Sequencing Problems https://www.coursehero.com/file/9564663/Extra-Peptide-Sequencing-Problems/

9564663-351465.jpeg

I just want to know the sequence of this heptapeptide

9564663-351465.jpeg

2. A heptapeptide was found to have an amino acid composition of asp. leu, lys, 2 met, phe and tyr.
a) Trypsin has no effect on the heptapeptide.
b) One cycle of Edman degradation renders:
O
H
-C-CH2
N
C-
-N
F
H
S
c) Chymotrypsin treatment yields a dipeptide and a tetrapeptide, as well as a free
amino acid.
d) The tetrapeptide generated by chymotrypsin is known to contain leu, lys, and
met. No met is present in the dipeptide.
e) Cyanogen bromide treatment generates a dipeptide, a tetrapeptide, and free lys.

Top Answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question