. . "LEFT_TO_RIGHT"^^ . . "HETERODIMER_ASSOCIATION_LEFT__A_K-_Glutamate-RIGHT__Complex__A_K__Glutamate_-_r73"^^ . . . . . . . . "true"^^ . "HETERODIMER_ASSOCIATION_LEFT__A_K-_Glutamate-RIGHT__Complex__A_K__Glutamate_-_r73"^^ .