Tumor necrosis factor ligand superfamily member 11 (TNFSF11), also known as Receptor Activator of Nuclear factor Kappa-B Ligand (RANKL), is a member of the tumor necrosis factor (TNF) ligand family. RANKL regulates bone remodeling and the development of the thymus, lymph nodes and mammary glands. Rat TNFSF11 (RANKL) Recombinant Protein is purified TNFSF11 (RANKL) produced in yeast.