AMBER Archive (2006)

Subject: Re: AMBER: how to include EXTRA POINTS in AMBER8

From: David A. Case (
Date: Mon Dec 04 2006 - 10:23:15 CST

On Mon, Dec 04, 2006, Rachel wrote:
> I have been trying to include some massless extra points in my system,
> however not successful, and the program kept complaining that 'vlimit
> exceeded for step 0, vmax=infinity',

First, did you try making the masses non-zero to see if the error changes or
goes away?

Second, do the names of your extra point atoms begin with the letters "EP"?

The AMBER Mail Reflector
To post, send mail to
To unsubscribe, send "unsubscribe amber" to