# Protein secondary structure restraint

**URL:** <https://gromacs.bioexcel.eu/t/protein-secondary-structure-restraint/4257>\
**Category:** User discussions\
**Created:** [June 2, 2022, 4:37pm UTC](https://gromacs.bioexcel.eu/t/protein-secondary-structure-restraint/4257 "2022-06-02T16:37:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nandanhaloi123](https://avatars.discourse-cdn.com/v4/letter/n/e56c9b/32.png) [@nandanhaloi123](https://gromacs.bioexcel.eu/u/nandanhaloi123)\
**Post date:** [June 2, 2022, 4:37pm UTC](https://gromacs.bioexcel.eu/t/protein-secondary-structure-restraint/4257/1 "2022-06-02T16:37:32Z")

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GROMACS version:2022  
GROMACS modification: No  
Here post your question

How to do protein secondary structure restraint in gromacs?

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**Author:** ![alevilla](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/alevilla/32/439_2.png) [@alevilla](https://gromacs.bioexcel.eu/u/alevilla)\
**Post date:** [June 3, 2022, 1:45pm UTC](https://gromacs.bioexcel.eu/t/protein-secondary-structure-restraint/4257/2 "2022-06-03T13:45:33Z")

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Hi  
Here you find all the types of restraint implemented in GROMACS  
[Restraints — GROMACS 2022.1 documentation](https://manual.gromacs.org/current/reference-manual/functions/restraints.html) . You can identify the one suitable for your problem.  
\Alessandra