in src/analysis/parsers.py [0:0]
def _update_hhr_residue_indices_list(
sequence: str, start_index: int, indices_list: List[int]):
"""Computes the relative indices for each residue with respect to the original sequence."""
counter = start_index
for symbol in sequence:
if symbol == '-':
indices_list.append(-1)
else:
indices_list.append(counter)
counter += 1