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                                0. Split ligand
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This part splits receptor and ligand structure using 'split_lig.py' in
'scripts' directory.

Three files are required (file names in this directory is shown between []):
Receptor PDB: PDB format of receptor structure
	      [1p8d.pdb]

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                                Runnung Scripts
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Type in command window as below:
$python ../../scripts/split_lig.py [PDB file] [Chain ID] [Ligand ID]

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                                  Output file
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The output file of the script is rec.pdb and xtal-lig.pdb that have structures
of a receptor and a ligand, respectively.

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