4-
hydroxybenzoate
polyprenyltransferase,
mitochondrial
Hexaprenyldihydroxybenzoate
methyltransferase,
mitochondrial
Ubiquinone
biosynthesis
monooxygenase
COQ6
2-methoxy-6-
polyprenyl-
1,4-
benzoquinol
methylase,
mitochondrial
Ubiquinone
biosynthesis
protein COQ7
homolog
Hexaprenyldihydroxybenzoate
methyltransferase,
mitochondrial
4-Hydroxybenzoic acid
All-trans-hexaprenyl diphosphate
3-Hexaprenyl-4-hydroxybenzoic acid
PPi
3-Hexaprenyl-4,5-Dihydroxybenzoic acid
S-Adenosylmethionine
S-Adenosylhomocysteine
3-Hexaprenyl-4-hydroxy-5-methoxybenzoic acid
2-Hexaprenyl-6-methoxyphenol
O2
2-Hexaprenyl-6-methoxy-1,4-benzoquinone
H2O
S-Adenosylmethionine
2-Hexaprenyl-3-methyl-6-methoxy-1,4
benzoquinone
S-Adenosylhomocysteine
O2
NADPH
H+
2-Hexaprenyl-3-methyl-5-hydroxy-6-methoxy-
1,4-benzoquinone
NADP
H2O
S-Adenosylmethionine
Ubiquinone-6
S-Adenosylhomocysteine
Fe3+
Cytosol
Mitochondrion
Mitochondrion