How do I determine the net charge of a peptide?

M

Matt

New member
Hi, I'm having a bit of trouble determining the net charge of a peptide chain. The chain is
CYS-ASN-GLU-ARG-HIS-LYS-TYR-ASP

a. What is the net peptide charge at pH = 1
b. What is the net peptide charge at pH = 7
c. What is the net peptide charge at pH = 14

I'd appreciate any help on this, thanks.
 
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