PAP2, haloperoxidase_like subfamily. Haloperoxidases catalyze the oxidation of halides such as bromide or chloride by hydrogen peroxide, which results in subsequent halogenation of organic substrates, or halide-assisted disproportionation of hydrogen peroxide forming dioxygen. They are likely to participate in the biosynthesis of halogenated natural products, such as volatile halogenated hydrocarbons, chiral halogenated terpenes, acetogenins and indoles.