label: plastoquinol-9 + S-adenosyl-L-homocysteine + H(+) => 2-methyl-6-all-trans-nonaprenylbenzene-1,4-diol + S-adenosyl-L-methionine
label_lc: plastoquinol-9 + s-adenosyl-l-homocysteine + h(+) => 2-methyl-6-all-trans-nonaprenylbenzene-1,4-diol + s-adenosyl-l-methionine