<P>
<BR>
Hi,<BR>
I have small doubt that when we calculate elctrostaic potenitial of POPC ,get system with neutral, POPC positive and water negative values, <BR>
what is the reason behind that POPC has positive and water has negative values.<BR>
water has H+ ion and OH- ion it should be neutral but why negative values it showing.<BR>
<BR>
Any suggestions would be appreciated. <BR>
<BR>
Thanks in advance.
</P>
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