AMBER: Question about using PMEMD and GB

From: H W <howardww.gmail.com>
Date: Wed, 6 Sep 2006 13:41:12 -0400

Hi,

I want to use PMEMD and GB to simulate a protein, with flag igb=2.
Should I set ntb=0? On the manual it says "no periodicity is applied
and PME is off. But I want to use PME+GB to do the simulation.

Another question is, do I need to add counter ions to the system? When
I add counter ions, say two Na+, they just go away and cause restart
file crash.

Thanks for any advise!

Howard
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Received on Sun Sep 10 2006 - 06:07:05 PDT
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