Preparation¶ 2. Prepare a directory for a NEMAT run: nemat start 3. Prepare the membrane-embedded protein (MEP) system. 3.1. Creating the MEP system using CHARMM-GUI. 3.2. Using a different method. 4. Prepare the membrane system. 4.1. Create the membrane system using CHARMM-GUI. 4.2. Using a different method. 5. Prepare the ligands. 5.1. Obtaining the reference ligand: ref_lig.pdb. 5.2. Obtaining the membrane reference ligand: ref_lig_mem.pdb (optional). 5.2. Aligning the ligands. 6. About the mdp files 7. Set up of NEMAT: the input.yaml file 7.1. Job script setup. 7.2. Production and Transitions setup. 7.3. Analysis setup.