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. Animal-Free HMGB1/HMG-1 Protein, Mouse (His) is the recombinant mouse-derived animal-FreeHMGB1/HMG-1 protein, expressed by E. coli , with C-His labeled tag. This product is for cell culture use only.