polyprenyldihydroxybenzoate methyltransferase activity
polyprenyldihydroxybenzoate methyltransferase activity
Catalysis of the reaction: a 3,4-dihydroxy-5-all-trans-polyprenylbenzoate + S-adenosyl-L-methionine = a 3-methoxy,4-hydroxy-5-all-trans-polyprenylbenzoate + S-adenosyl-L-homocysteine + H+.