(2S)-naringenin + S-adenosyl-L-methionine = (2S)-sakuranetin + S-adenosyl-L-homocysteine + H(+)
(2s)-naringenin + s-adenosyl-l-methionine = (2s)-sakuranetin + s-adenosyl-l-homocysteine + h(+)
"naringenin 7-O-methyltransferase"
"naringenin 7-o-methyltransferase"