1,3,7-trimethylurate + S-adenosyl-L-methionine => theacrine + S-adenosyl-L-homocysteine + H(+)
1,3,7-trimethylurate + s-adenosyl-l-methionine => theacrine + s-adenosyl-l-homocysteine + h(+)
1,3,7-trimethylurate + S-adenosyl-L-methionine => theacrine + S-adenosyl-L-homocysteine + H(+)
1,3,7-trimethylurate + s-adenosyl-l-methionine => theacrine + s-adenosyl-l-homocysteine + h(+)