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A biochemist isolates a peptide hormone with the following sequence:
ADSERNCQLVILLAWLPGVKVQCALLDRET
(a) Indicte the residues that could contribute a positive charge.
(b) Which residues that could contribute a negative charge.
(c) List the residues that could be connected by a disulfide bond.
To be totally honest, I have absolutely no idea how to approach this question, and my textbook isn't very helpful. Can someone please explain (clearly, and thorougly as possible, please!) how I am supposed to figure out which residues contribute what charge from a sequence??
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