4-methylamino-L-phenylalanine + S-adenosyl-L-homocysteine + H(+) => 4-amino-L-phenylalanine + S-adenosyl-L-methionine
4-methylamino-l-phenylalanine + s-adenosyl-l-homocysteine + h(+) => 4-amino-l-phenylalanine + s-adenosyl-l-methionine
4-methylamino-L-phenylalanine + S-adenosyl-L-homocysteine + H(+) => 4-amino-L-phenylalanine + S-adenosyl-L-methionine
4-methylamino-l-phenylalanine + s-adenosyl-l-homocysteine + h(+) => 4-amino-l-phenylalanine + s-adenosyl-l-methionine