Hi, The concentration of pure water is 55.6M. So, 1 ion with a single charge per 556 molecules of water equals 0.1M.
Ran. Mark Abraham wrote: >> Dear users: >> My protein is large,so I use genbox -shell 1.2 to add water, >> Then I genion -conc 0.15 -neutral, At last,In .top file I find 7703 water, >> but there are 183 Na+,170 cl-,I want to know whether ions is too more. >> Is this normal? >> Could somebody tell me? >> > > How about finding your simulation volume and doing some high-school > arithmetic to check the concentrations are what you wanted? > > Mark > > _______________________________________________ > gmx-users mailing list gmx-users@gromacs.org > http://www.gromacs.org/mailman/listinfo/gmx-users > Please don't post (un)subscribe requests to the list. Use the > www interface or send it to [EMAIL PROTECTED] > Can't post? Read http://www.gromacs.org/mailing_lists/users.php > > -- ------------------------------------------------------ Ran Friedman Postdoctoral Fellow Computational Structural Biology Group (A. Caflisch) Department of Biochemistry University of Zurich Winterthurerstrasse 190 CH-8057 Zurich, Switzerland Tel. +41-44-6355593 Email: [EMAIL PROTECTED] Skype: ran.friedman ------------------------------------------------------
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