Date: Fri, 1 Aug 2025 16:38:17 +0000
Dear AMBER users,
I am performing a simulation using ff19SB force field.
When using tleap a fatal error occurs about the atom OXT of CYM.
After some testing I figured out that CCYM (CYM C-terminal) is not available for both ff19SB and ff14Sb (I didn't test any other ff).
Do you know if parameters for CCYM exist anywhere?
Thank you
Best regards
Simona
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