Tags: Protein.
Not to be confused with Osteopontin (OPN).Osteoprotegerin (OPG) also known as osteoclastogenesis inhibitory factor (OCIF) or tumor necrosis factor receptor superfamily member 11B (TNFRSF11B) is a protein that in humans is encoded by the TNFRSF11B gene. Osteoprotegerin is a cytokine receptor and a member of the tumor necrosis factor (TNF) receptor superfamily.