[gmx-users] Re: Amber to Gromacs

2007-10-13 Thread Vojtěch Spiwok
Dear all, I hvae used ANTECHAMBER & GAFF of Amber generate a .prmtop and .prmcrd of a small molecular(XK263, a inhibitor of HIV-1 PR). I want to use ffamber99 in Gromacs-3.3.1 to do a simulation of it, but I can't get the force field of the molecular used in Gromacs. On the Homepage of A

[gmx-users] Re: request for dihedral PMF test system or complete alanine dipeptide topology file

2007-04-26 Thread Vojtěch Spiwok
Dear Chris, I have done similar calculation. Look at the supporting info for http://dx.doi.org/10.1021/jp068587c. If you find anything useful for you feel free to contact me. Best regards Vojtech Spiwok Message: 1 Date: Wed, 25 Apr 2007 15:39:53 -0400 From: Chris Neale <[EMAIL PROTECTED]> Su

[gmx-users] Re: .GRO and .TOP files editing

2007-03-06 Thread Vojtěch Spiwok
Message: 2 Date: Tue, 6 Mar 2007 01:53:07 -0500 From: "Karthikeyan Pasupathy" <[EMAIL PROTECTED]> Subject: [gmx-users] .GRO and .TOP files editing To: "Discussion list for GROMACS users" Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset="iso-8859-1" I have a polymer mole

[gmx-users] Re: simulation at particular pH

2006-08-09 Thread Vojtěch Spiwok
Dear Luisa The web tool propKa http://propka.chem.uiowa.edu/ might be useful in prediction of protonation states of your protein at givven pH. Simulation with a constant pH (with dynamic protonation state assignment) was reported and might be an idea for further gromacs development. Vojtech He

[gmx-users] Pull code with angle constraints

2006-06-15 Thread Vojtěch Spiwok
Dear gromacs gurus I wonder to know if there is some straightforward way to implement angle, dihedral and possibly other constraints to the pull code, beside distance constraints. Any idea would help. Sincerely Vojtech Spiwok --- Ing. Vojtech Spiwok, PhD. De

[gmx-users] Re: large carbohydrates

2006-05-15 Thread Vojtěch Spiwok
Dear Peter Unfortunately, carbohydrates require special parametrization of torsions and therefore you should not use PRODRG topologies. Vojtech Spiwok ICT Prague ___ gmx-users mailing listgmx-users@gromacs.org http://www.gromacs.org/mailman/listin

[gmx-users] Re: Projecting on Eigen vector

2006-04-05 Thread Vojtěch Spiwok
Hi gmxions, I have found out the eigen vectors computed of from a protein’s simulation. Now I want to project coordinates of entire simulation on to eigen vectors to see the collective , anharmonic motion of that protein. And doing so for wild and mutant protein, I expect to trace