[AMBER] Why does protein carry charges?

From: Chih-Ying Lin <chihying.usc.edu>
Date: Sat, 23 May 2009 05:09:21 +0100

Hi
I got the protein crystal structures from the PDB file.
There are only residues and water in the PDB files.

Why does the protein carry charges?
Why aren't they electrically neutral?

What are their intrinsic counter ions ?

Thank you
Lin





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Received on Sat May 23 2009 - 01:14:27 PDT