# Use of gmx angle

**URL:** <https://gromacs.bioexcel.eu/t/use-of-gmx-angle/5981>\
**Category:** User discussions\
**Created:** [March 15, 2023, 5:24pm UTC](https://gromacs.bioexcel.eu/t/use-of-gmx-angle/5981 "2023-03-15T17:24:12Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![blablablablablablab](https://avatars.discourse-cdn.com/v4/letter/b/dfb087/32.png) [@blablablablablablab](https://gromacs.bioexcel.eu/u/blablablablablablab)\
**Post date:** [March 15, 2023, 5:24pm UTC](https://gromacs.bioexcel.eu/t/use-of-gmx-angle/5981/1 "2023-03-15T17:24:12Z")

</div>

GROMACS version: 2020.4  
GROMACS modification: Yes/No

I have a protein with multiple domains, can I measure the angle between three domains with the help of indexing and using gmx angle ? any suggestion or opinion will be much appreciated.