Extract the four (4) character PDB identifier from the file name
Usage
ExtractPDBids(pdb.location)
Arguments
pdb.location
A collection of string values with the complete
(normalized) path for each PDB file within the provided directory/folder
obtained with the ReturnPDBfullPath().
Value
a vector of strings containing the PDB identifiers for the protein
structures
Details
The first four (4) characters of the file name -- typically the PDB
ID is placed at the beginning of the file name -- are extracted and assumed
to be the unique PDB ID.