Article
Site-directed mutagenesis and spectroscopic studies of the iron-binding site of (S)-2-hydroxypropylphosphonic acid epoxidase.
Archives of biochemistry and biophysics - 1 Oct 2005
Yan Feng, Li Tingfeng, Lipscomb John D, Liu Aimin, Liu Hung-wen
Abstract excerpt
(S)-2-Hydroxylpropanylphosphonic acid epoxidase (HppE) is a novel type of mononuclear non-heme iron-dependent enzyme that catalyzes the O2 coupled, oxidative epoxide ring closure of HPP to form fosfomycin, which is a clinically useful antibiotic. Sequence alignment of the only two known HppE sequences led to the speculation that the conserved residues His138, Glu142, and His180 are the metal binding ligands of...
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