| Allergen: | nAra h 1 (Arachis hypogaea allergen 1), peanut | 
		
			| Unit: | 1mg (supplied as 4 x 0.25mg aliquots) | 
		
			| Availability: | 10 Business Day Lead Time | 
		
			| Source: | Blanched peanut, crushed (Runner cultivar) | 
		
			| Mol. Wt: | 64.5 kD (monomer) | 
		
			| Purification: | From delipidated peanut extract by affinity chromatography. Purity on silver stained SDS-PAGE >95%.   | 
		
			| Concentration: | See product insert. | 
		
			| Formulation: | Preservative and carrier-free in sterile, endotoxin-free,phosphate buffered saline, pH 7.4
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			| Storage: | Store at -20ºC | 
		
			| Notes: | (1) Upper band is Ara h 1 trimer.  (2) The minor bands below the monomer are Ara h 1 fragments 3.
 (3) Avoid repeated Freeze/Thaw cycles.
 (4) A LoTox™product, Endotoxin < 0.03 EU/µg.
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			| PDB: |  | 
		
			| Product Resources: | LoTox™ Natural Ara h 1 Certificate of Analysis | 
		
			| Allergens are provided for research and commercial use in vitro: Not for human in vivo or therapeutic use. | 
		
			| References: |  | 
		
			| 
				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.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.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.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. | 
		
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