(S)-2-hydroxypropylphosphonic acid epoxidase (EC 1.14.19.7, HPP epoxidase, HppE, 2-hydroxypropylphosphonic acid epoxidase, Fom4, (S)-2-hydroxypropylphosphonate epoxidase) is an enzyme with systematic name (S)-2-hydroxypropylphosphonate,NADH:oxygen epoxidase.
[1][2][3][4][5][6] This enzyme catalyses the following chemical reaction (S)-2-hydroxypropylphosphonic acid epoxidase contains one non-heme iron centre per monomer.