label: 3,3'-diiodo-L-thyronine(out) + an aromatic L-alpha-amino acid(in) <=> 3,3'-diiodo-L-thyronine(in) + an aromatic L-alpha-amino acid(out)
label_lc: 3,3'-diiodo-l-thyronine(out) + an aromatic l-alpha-amino acid(in) <=> 3,3'-diiodo-l-thyronine(in) + an aromatic l-alpha-amino acid(out)