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I've been testing some of the examples in the documentation and so far so good, even with my molecules. What I'm trying to look is if I can convert the resulting outputs into AMBER and/or GROMACS format? I've seen that in the Supporting Info of Open Force Field BespokeFit: Automating Bespoke Torsion Parametrization at Scale you mention the use of parmed when running the free energy tests. I've been trying to look both in this and parmed's documentation with no luck. I'd like to replicate the same test described there in similar conditions.
The test command I ran with my mol was the following:
Hey! Interchange is our tool for this. If you take that m1.offxml and pass it to Interchange.from_smirnoff() along with the molecule you parametrized you'll get an object that can be converted to a parametrized Amber, GROMACS or OpenMM simulation system. You can also set up a whole topology with positions and box vectors and solvent and so on, parametrize it with the OFFXML, and then export it to those software packages. There's some information on how it all fits together here.
Unfortunately we don't have an easy way to produce, say, .ITP files for single molecules (or whatever the Amber equivalent is) - but hopefully between the Toolkit and Interchange you can do everything you needed!
Thanks for this!
I managed an .frcmod for my molecule so I think I should be good to go. I'll comment later because I need at least a couple ligands to test but I wanted to say thanks beforehand! :)
Description
I've been testing some of the examples in the documentation and so far so good, even with my molecules. What I'm trying to look is if I can convert the resulting outputs into AMBER and/or GROMACS format? I've seen that in the Supporting Info of Open Force Field BespokeFit: Automating Bespoke Torsion Parametrization at Scale you mention the use of parmed when running the free energy tests. I've been trying to look both in this and parmed's documentation with no luck. I'd like to replicate the same test described there in similar conditions.
The test command I ran with my mol was the following:
Software versions
conda list
?Output of
conda list
Many thanks!
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