[gmx-users] Interactive Essential Dynamics (IED) installation: vmdnumpy module not available

2017-04-28 Thread Qing Lv
Dear all, I am trying to compile IED (Interactive essential dynamics) according to the instructions of http://mccammon.ucsd.edu/ied/ However, I always got such errors: -- vmd > gopython Info) Starting Python... Traceback (most recent call last): File "",

[gmx-users] ERROR atom 'X' has mass 0 (state A) / 0 (state B)

2017-04-28 Thread Patel, Hershna
?Dear Gromacs users, When running grompp to create 'ions.tpr' file for energy minimisation of a protein-ligand complex (following the protein-ligand complex tutorial), I am getting the error: ERROR 1 [file mNEP2.top, line 19069]: atom C2 (Res LIG-1) has mass 0 (state A) / 0 (state B) Atom

Re: [gmx-users] Fraction of native contacts.

2017-04-28 Thread WT Ren
Hi, Prakash: you can try mdtraj. http://mdtraj.org/1.8.0/examples/native-contact.html Weitong* Ren, PhD student* Laboratory of Biophysics Department of Physics *Nanjing University* Nanjing, Jiangsu, PR China 210093 tel : +86 025 8359 7226 *wt...@biophy.nju.edu.cn * On Fri, Apr 28, 2017 at 6:19

[gmx-users] Fraction of native contacts.

2017-04-28 Thread B Prakash
Dear all, I need to calculate fraction of native contacts as a measure of protein denaturation. Please suggest ways to do so in Gromacs. I tried to use mdmat. Is there a better tool? Regards, Prakash. -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Ma

[gmx-users] pressure scaling more than 1%

2017-04-28 Thread abhisek Mondal
Hi, I'm following Umbrella sampling tutorial of gromacs. But it was going all fine since I hit an issue with my system. I had minimized my system well. But when I started the NPT equilibration it is giving me: pressure scaling more than 1% It says, probably the system is not equilibrated/minimized