From delipidated peanut extract by affinity chromatography. Purity on silver stained SDS-PAGE >95%.

(1) Upper band is Ara h 1 trimer. (2) Two minor bands below the monomer are Ara h 1 fragments 3. (3) The Biotin Natural Ara h 1 is an InBio™ Product.

1. Burks AW, Williams LW, Helm RM, Connaughton C, Cockrell G, O"Brien T. Identification of a major peanut allergen, Ara h 1, in patients with atopic dermatitis and positive peanut challenges. J Allergy Clin Immunol 1991; 88(2):172-9.2. Burks AW, Cockrell G, Stanley JS, Helm RM, Bannon GA. Recombinant peanut allergen Ara h 1 expression and IgE binding in patients with peanut hypersensitivity. J Clin Invest 1995; 96(4):1715-21.3. Maleki SJ, Kopper RA, Shin D, Park CW, Compadre CM, Sampson H, Burks AW, Bannon GA. Structure of the major peanut allergen Ara h 1 may protect IgE-Binding epitopes from degradation. J Immunol 2000; 164:5844-5849.4. Pomés A, Helm RM, Bannon G, Burks AW, Chapman MD. Monitoring peanut allergen in food products by measuring Ara h 1. J Allergy Clin Immunol 2003; 111(3):640-645.