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update to openff_unconstrained-2.1.0 as the default ff#201

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mikemhenry merged 7 commits into
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feat/update_default_openff_ff
Jun 5, 2025
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update to openff_unconstrained-2.1.0 as the default ff#201
mikemhenry merged 7 commits into
mainfrom
feat/update_default_openff_ff

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@mikemhenry

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The newer FF has better biopolymer support, a user had an issue with a system they were trying to parameterize that had arginine residues and the issue went away when we bumped the FF to use a newer version.

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@mikemhenry mikemhenry requested a review from ijpulidos April 19, 2024 18:58
@mattwthompson

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The newer FF

Are you referring to the SMIRNOFF force field or Espaloma model?

Comment thread espaloma/graphs/deploy.py

def openmm_system_from_graph(
g,
forcefield="openff_unconstrained-2.0.0",

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Could also bump up to 2.2.0 as of today

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what about as of today?

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2.2.0 would be fine but 2.2.1 is the newest

Shouldn't need anything special at the packaging level, the latest openff-forcefields is difficult to not pull down

@mattwthompson

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We've seen this error before: openforcefield/openff-nagl#190

Would be happy if you magically knew of a solution, but downpinning has worked fine for us

@mikemhenry mikemhenry merged commit 865c42c into main Jun 5, 2025
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@mikemhenry mikemhenry deleted the feat/update_default_openff_ff branch June 5, 2025 20:03
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3 participants