def respCoords(r, plot=False):
    """Return coordinates of the response peptide
    Plot option returns coordinates based on start and length of peptide,
    as opposed to end coordinate which is subject to indsertions/deletions
    Use end like a stop in range(start, stop)"""
    if plot:
        return list(range(int(r.start), int(r.start) + len(r.seq)))
    else:
        return list(range(int(r.start), int(r.end)))