NCIt definition : Epoxide hydrolase 1 (455 aa, 53 kDa) is encoded by the human EPHX1 gene. This protein
is involved in the hydrolysis of cyclic organic compounds.;
NCIt note : Expression of microsomal epoxide hydrolase (mEH), a carcinogen-activating enzyme,
in primary breast tumors may predict poor response to tamoxifen treatment. (from J
Clin Oncol 2001;19:3-9 via Medscape);