# I want to generate the system between short protein and membrane LIPID21 forcefield

**URL:** <https://gromacs.bioexcel.eu/t/i-want-to-generate-the-system-between-short-protein-and-membrane-lipid21-forcefield/10417>\
**Category:** User discussions\
**Tags:** forcefield, simulation-setup\
**Created:** [October 25, 2024, 3:21pm UTC](https://gromacs.bioexcel.eu/t/i-want-to-generate-the-system-between-short-protein-and-membrane-lipid21-forcefield/10417 "2024-10-25T15:21:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![MagnusL](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/magnusl/32/2380_2.png) [@MagnusL](https://gromacs.bioexcel.eu/u/MagnusL)\
**Post date:** [October 28, 2024, 3:21pm UTC](https://gromacs.bioexcel.eu/t/i-want-to-generate-the-system-between-short-protein-and-membrane-lipid21-forcefield/10417/2 "2024-10-28T15:21:09Z")

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See [No default Improper Dih. types - #2 by MagnusL](https://gromacs.bioexcel.eu/t/no-default-improper-dih-types/10398/2). You will need to copy and paste a bit between files to make sure that all definitions are in the right order.

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_[View the full topic](https://gromacs.bioexcel.eu/t/i-want-to-generate-the-system-between-short-protein-and-membrane-lipid21-forcefield/10417)._