1.11.1.23 (S)-2-HPP epoxidase, (S)-2-hydroxypropylphosphonate epoxidase, (S)-2-hydroxypropylphosphonic acid epoxidase, (S-HPP) epoxidase, 2-hydroxypropylphosphonic acid epoxidase, EC 1.14.19.7, fom4, fosfomycin-producing epoxidase, HPP epoxidase, HppE, Ps-HppE