Re: [gmx-users] Error in DNA.itp file

2019-11-05 Thread Justin Lemkul
On 11/5/19 11:55 AM, Najamuddin Memon wrote: You may use Amber99sb force field for DNA-protein simulation and also put residue type.dat file in your folder. It will work The nucleic acid parameter sets packaged with these GROMACS ports are wildly outdated. I suggest finding better paramet

Re: [gmx-users] Error in DNA.itp file

2019-11-05 Thread Najamuddin Memon
Residue type.dat file having definition of nucleotides On Tue, Nov 5, 2019, 9:55 PM Najamuddin Memon wrote: > You may use Amber99sb force field for DNA-protein simulation and also put > residue type.dat file in your folder. It will work > > > On Tue, Nov 5, 2019, 6:59 PM Paul bauer wrote: > >>

Re: [gmx-users] Error in DNA.itp file

2019-11-05 Thread Najamuddin Memon
You may use Amber99sb force field for DNA-protein simulation and also put residue type.dat file in your folder. It will work On Tue, Nov 5, 2019, 6:59 PM Paul bauer wrote: > Hello, > > the error states that you are missing parameters for your system. Did > you check that the forcefield contain

Re: [gmx-users] Error in DNA.itp file

2019-11-05 Thread Paul bauer
Hello, the error states that you are missing parameters for your system. Did you check that the forcefield contains all the special parameters you need for the conjugate molecule? Also, I would recommend to not use a prehistoric version of GROMACS for new studies, if there are no specific reas

[gmx-users] Error in DNA.itp file

2019-11-05 Thread Ayesha Kanwal
Hi all, i am preparing system of DNA-protein complex, downloaded it from RCSB website, by using GROMACS-version 4.5.5; force field AMBER03WS with water Model TIP4P (2005). The DNA chain contains DA, DT, DG, DC atom type. but the problem is that when i use command for energy minimization the foll