[Species reactivity]:Dermatophagoides farinae (American house dust mite), Dermatophagoides pteronyssinus (European house dust mite);[Alternative Names]:Peptidase 1, 3.4.22.65, Allergen Der f I, Major mite fecal allergen Der f 1, Der f 1, DERF1, Allergen Der p I, Major mite fecal allergen Der p 1, Der p 1, DERP1, Dermatophagoides farinae;[Host species]:Human;[Isotype]:IgG1, kappa;[Applications]:ELISA