def add_translation(self, rna: Rna, protein: Protein) -> str:
        """Add a translation relation from a RNA to a protein.

        :param rna: An RNA node
        :param protein: A protein node
        """
        return self.add_unqualified_edge(rna, protein, TRANSLATED_TO)
Add a translation relation from a RNA to a protein.

        :param rna: An RNA node
        :param protein: A protein node