I have to determine the electrical charge of the next peptide chain:

C - E - H - P

I know that this page is not there to raise doubts about this style, but I have looked for resources on the Internet and find nothing. Please explain to me how to determine the net load according to pH and the isoelectric point, so that I can take this as an example.

My teacher told me to get the necessary data from this table:

Lehninger. Principles of Biochemistry - 6th Edition

  • $\begingroup$ This site might help, but there are many others! $\endgroup$ – user1136 Oct 14 '18 at 18:29
  • $\begingroup$ Thank you very much for the link, it gives me the solution. But, I still don't know how to do it on my own. $\endgroup$ – aprendiendo-a-programar Oct 14 '18 at 18:36
  • 1
    $\begingroup$ I know! But it is not too hard to figure out. Click on the 'notes on net charge' link to get a nice formula. I am not allowed to do homework for you, but you MAY post your own solution and contributors to this site will then add their opinions and corrections. It is a very good question $\endgroup$ – user1136 Oct 14 '18 at 18:54

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