Abietadienol hydroxylase is a heme-thiolate protein (P-450).
References
^Funk C, Croteau R (January 1994). "Diterpenoid resin acid biosynthesis in conifers: characterization of two cytochrome P450-dependent monooxygenases and an aldehyde dehydrogenase involved in abietic acid biosynthesis". Archives of Biochemistry and Biophysics. 308 (1): 258–66. doi:10.1006/abbi.1994.1036. PMID8311462.