HMGB1, or high mobility group box 1, is a protein that plays a role in various cellular processes. It has different functionalities depending on its redox state and location within the cell. HMGB1/HMG-1 Protein, Mouse (HEK293, Fc) is the recombinant mouse-derived HMGB1/HMG-1 protein, expressed by HEK293 , with N-hFc labeled tag.