Good afternoon,
I run a molecular dynamics simulation of two protein complex with periodic 
boundaries, when i check the trajectory file i realized that the molecules were 
split so i decided to use the trjconv command with the option -pbc, i tried 
with -pbc atom, -pbc res and they didn't seem to work or i am not very sure 
what they do, but whet i used -pbc whole i achieved complete molecules but they 
are supposed to be in contact but it seem that this option (whole), besides 
fixing the problem of split molecules they put the in different positions 
(before i run trjconv the complex was bind, after the proteins are unbound).  
Another question is that after MD simulation i calculate distances between the 
two proteins along through with the command g_dist, i want to know if this 
calculation is correct even if don't fix the trajectory

Thank you for your time

Paula
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