Re: [gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread Mark Abraham
Hi, Best practice is to read and learn others practice from publications that are similar to what you want to do, rather than making ad-hoc changes. In this case, the GROMACS defaults are pretty close to the de facto standard, and supported by analysis work done by other members of the community.

Re: [gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread NISHA Prakash
Dear Justin, Thanks a lot for pointing out the issues. I now understand why there were such high oscillations. Could you please also tell me if there are any ideal values for pme_order and fourier spacing with respect to the cut offs' value of 1.4. Does the following Note imply I can raise the

Re: [gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread Justin Lemkul
On 6/30/16 9:16 AM, NISHA Prakash wrote: Dear Justin, Thank you for your reply. It is a protein carbohydrate system. Including the solvent, the number of atoms is 43499. I have minimized the system for 200 ps followed by NPT and NVT simulations for 200 ps respectively Given that your

Re: [gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread NISHA Prakash
Dear Justin, Thank you for your reply. It is a protein carbohydrate system. Including the solvent, the number of atoms is 43499. I have minimized the system for 200 ps followed by NPT and NVT simulations for 200 ps respectively Below is the .mdp file. ; VARIOUS PREPROCESSING OPTIONS title

Re: [gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread Justin Lemkul
On 6/30/16 8:46 AM, NISHA Prakash wrote: Dear all, I have conducted a 10ns REMD simulation for a protein ligand complex with the temperature range - 270 to 350 K, however the temperature distribution plot of the replicas show that the sampling has occurred at higher temperatures as well that

[gmx-users] REMD - replicas sampling in temperatures beyond the assigned range

2016-06-30 Thread NISHA Prakash
Dear all, I have conducted a 10ns REMD simulation for a protein ligand complex with the temperature range - 270 to 350 K, however the temperature distribution plot of the replicas show that the sampling has occurred at higher temperatures as well that is beyond 350K - Below is an excerpt from the