preferred_name: (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine => (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-phenylalanine + O2
preferred_name_lc: (4as,6r)-4a-hydroxy-l-erythro-5,6,7,8-tetrahydrobiopterin + l-tyrosine => (6r)-l-erythro-5,6,7,8-tetrahydrobiopterin + l-phenylalanine + o2
label: (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine => (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-phenylalanine + O2
label_lc: (4as,6r)-4a-hydroxy-l-erythro-5,6,7,8-tetrahydrobiopterin + l-tyrosine => (6r)-l-erythro-5,6,7,8-tetrahydrobiopterin + l-phenylalanine + o2