Re: [AMBER] heat further an equilibrated system

From: Jayalakshmi Sridhar <jsridhar.xula.edu>
Date: Fri, 22 Jan 2010 11:53:01 -0600

I was able to solve this problem. But am encountering a new problem. When reading the reference coordinates it says-
rfree: End of file on unit 5.
I have specified irest = 1 and ntx = 5 as I am using a .rst file for reference. Should I change anything else? Thanks for the help.
Jaya.

On 01/22/10, Jason Swails <jason.swails.gmail.com> wrote:
>
> Could you please copy your email over to plain text? With all of the
> markup it is impossible to read your email.
>
> Thanks!
> Jason
>
> On Fri, Jan 22, 2010 at 11:55 AM, Jayalakshmi Sridhar <jsridhar.xula.edu> wrote:
> >
> >   <div style="font-family: 'Times New Roman'; font-size: 1   6px;">Dear Amber Users,<br _moz_dirty="" />I have  a
> >   protein which I initially heated to 300K and equilibrated  for 4 ns.   Now I wish to heat the system further to 325 K. I am using the final  4ns
> >   equilibrated  system as starting point. I am getting the following    error:<br _moz_dirty="" /><br _moz_dirty=""    /><br _moz_dirty="" />>$AMBERHOME/exe/sander -O -i
> >   2a6_md16.in -p 2a6.prmtop -c 2a6_md15.rst -r 2a6_md16. rst -o
> >   2a6_md16.out  -x  2a6_md16.mdcrd  -ref  2a6_md15.rst<br   _moz_dirty="" />>At line 189 of file _rgroup.f< br
> >   _moz_dirty="" /> Fortran runtime error: End of file<br
> >   _moz_dirty="" />< br _moz_dirty="" />The input is
> >   given  below:<br _moz_ dirty="" />&cntrl<br
> >   _moz_dirty=""    />     i   min     =   0,<br
> >   _moz_dirty=""    />     irest     =    1,   <br
> >   _moz_dirty=""  />  ntx    = 7,<br _moz_   dirty="" />  ntb    = 1,<br _moz_dirty=""   />  cut    = 10,<br _moz_dirty="" />  ntr       = 1,<br _moz_dirty="" />  ntc    =   2,<br _moz_dirty="" />  ntf    = 2,<br _   moz_dirty="" />  tempi  = 300.0,<br _moz_dirty   ="" />  temp0  = 350.0,<br _moz_dirty="" /   >  ntt    = 3,<br _moz_dirty="" />  gamma_   ln = 1.0,<br _moz_dirty="" />  nstlim = 20000, dt
> >   = 0.002<br _moz_dirty="" />  ntpr = 200, ntw x =
> >   200,  ntwr  = 2000<br _moz_dirty="" /> /<br _   moz_dirty="" /><br _moz_dirty="" />Thank you for   the help.<br _moz_dirty="" />Jaya.<br _moz_dirt   y="" /> <br /></div>
> >
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>
>
> --
> ---------------------------------------
> Jason M. Swails
> Quantum Theory Project,
> University of Florida
> Ph.D. Graduate Student
> 352-392-4032
>
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Received on Fri Jan 22 2010 - 10:30:03 PST
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