drugforge.spectrum.calculate_rmsd.convert_chain_id
- drugforge.spectrum.calculate_rmsd.convert_chain_id(chain: str) str[source]
Convert a chain identifier between letter and number representations. The ASCII values for lowercase letters start from a=97, so we subtract/add 96 to convert.
- Parameters:
chain (str) – 1 or 3-letter chain identifier.
- Returns:
Converted chain identifier.
- Return type:
str