The IL-13R alpha 1 protein forms a receptor for interleukin-13 when it complexes with IL4RA, activating pathways in allergy response and bronchial asthma. It exhibits ubiquitous expression, including in large intestine adult, colon adult, and 27 other tissues. IL-13R alpha 1 Protein, Mouse (HEK293, His) is the recombinant mouse-derived IL-13R alpha 1 protein, expressed by HEK293 , with C-6*His labeled tag.