3-Hydroxyanthranilate 4-C-Methyltransferase Activity

S-Adenosyl-L-Methionine:3-Hydroxyanthranilate 4-C-Methyltransferase Activity

Catalysis of the reaction: 3-hydroxyanthranilate + S-adenosyl-L-methionine = 3-hydroxy-4-methylanthranilate + S-adenosyl-L-homocysteine + H(+).