# RMSD as a histogram based on occurence

**URL:** https://gromacs.bioexcel.eu/t/rmsd-as-a-histogram-based-on-occurence/398
**Category:** User discussions
**Created:** [June 29, 2020, 7:15pm UTC](https://gromacs.bioexcel.eu/t/rmsd-as-a-histogram-based-on-occurence/398 "2020-06-29T19:15:34Z")
**Posts on this page:** 1
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### Author: ![peace4ever](https://avatars.discourse-cdn.com/v4/letter/p/ba9def/32.png) [@peace4ever](https://gromacs.bioexcel.eu/u/peace4ever)
#### Post date: [June 29, 2020, 7:15pm UTC](https://gromacs.bioexcel.eu/t/rmsd-as-a-histogram-based-on-occurence/398/1 "2020-06-29T19:15:34Z")

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GROMACS version: 2018  
GROMACS modification: No

Dear All,

I am interested in representing the RMSD of a ligand (heavy atoms) with respect to the protein backbone in the form of a histogram that signifies the abundance of frames with distance. Can you please suggest how this can be done in gromacs.

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