Builds a model and runs profit against a reference model.

    Parameters
    ----------
    rmsd_params

    Returns
    -------
    rmsd: float
        rmsd against reference model as calculated by profit.

def rmsd_eval(rmsd_params):
    """Builds a model and runs profit against a reference model.

    Parameters
    ----------
    rmsd_params

    Returns
    -------
    rmsd: float
        rmsd against reference model as calculated by profit.
    """
    specification, sequence, parsed_ind, reference_pdb = rmsd_params
    model = specification(*parsed_ind)
    model.pack_new_sequences(sequence)
    ca, bb, aa = run_profit(model.pdb, reference_pdb, path1=False, path2=False)
    return bb