>1arr_A mol:protein length:53 ARC REPRESSOR
MKGMSKMPQFNLRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA
>1arr_B mol:protein length:53 ARC REPRESSOR
MKGMSKMPQFNLRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA