This lesson is still being designed and assembled (Pre-Alpha version)

7. COBRAMM

Overview

Teaching: min
Exercises: min
Questions
Objectives

Table of Content

1. Theory and Hands on with COBRAMM

Back to TOC

1.1. Slides

1.2. Videorecording of the session

Afternoon, July 6 section

Morning, July 7 section

Afternoon, July 8 section

1.3. Demonstrations and Handson

1.4. Instructions 1

1. Add these variables to your .bashrc file

export COBRAM_PATH=/projects/academic/cyberwksp21/Software/cobramm
export AMBERHOME=/projects/academic/cyberwksp21/Software/Conda/Miniconda3/envs/ambertools22/
export PATH=$AMBERHOME/bin:$PATH
export PATH=$COBRAM_PATH/cobramm:$PATH
export PATH=$COBRAM_PATH/util:$PATH

And load it

source .bashrc

2. Load modules and activate environment

module load openbabel
conda active ambertools22

3. Get the initial files

git clone https://github.com/compchem-cybertraining/Tutorials_COBRAMM.git
cd Tutorials_COBRAMM/COBRAMM/solvated_preparation

[](../fig/cobramm/prepare_cobramm_input.png)

4. Solvation

python $COBRAM_PATH/util/cobramm-solvatedchromo.py -xyz trans_azobenzene.xyz --solvent methanol -sz 15
   

[](../fig/cobramm/solvate.png)

5. Equilibration

python $COBRAM_PATH/util/cobramm-equilibration.py -p trans_azobenzene.top -c trans_azobenzene.crd -opt 10 -ht 1 -et 1

[](../fig/cobramm/equilibration.png)

6. Droplet

python $COBRAM_PATH/util/cobramm-droplet.py -p trans_azobenzene.top -c finalsnapshot.crd -sr 12 -mr 4

[](../fig/cobramm/droplet.png)
1. Go to:
cd Tutorials_COBRAMM/COBRAMM/Rh_preparation/input

2. Run

./Prepare_cobramm_input.pl

1.4. Homeworks

Key Points