On 11/10/12 10:10 AM, vidhya sankar wrote:
Dear Justin Thank you  For your Previous reply,
                                                                       For My 
system        After First Shrinking Using Cut-off Value DPPC  18
perl inflategro.pl system.gro 4 DPPC 18 system_inflated.gro 5 area.dat

Then  I do the EM.During EM I need to use -maxwarn 1 option Otherwise I have 
got Error as follows in  grompp    If i use -maxwarn 1 then it runs Successfully


May i use this -maxwan  option  in first Shrinking ?


There are very few reasons to use -maxwarn; this is not one of them, as far as I can see.

./grompp_d -f emdppc.mdp -c system_inflated.gro -p 2KDQ.top  -o 2KDQDPPCem.tpr


Number of degrees of freedom in T-Coupling group rest is 19557.00
Largest charge group radii for Van der Waals: 1.201, 1.144 nm
Largest charge group radii for Coulomb:       1.201, 1.144 nm

WARNING 1 [file emdppc.mdp]:
   The sum of the two largest charge group radii (2.345197) is larger than
   rlist (1.200000)


The magnitude of the charge group radii suggests you have broken molecules or otherwise unacceptable geometry produced by some previous instability. This warning is discussed in greater detail at http://www.gromacs.org/Documentation/Errors#The_sum_of_the_two_largest_charge_group_radii_(X)_is_larger_than.c2.a0rlist_-_rvdw.2frcoulomb

-Justin

--
========================================

Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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