Opg protein coding gene MGI:109587 osteoclastogenesis inhibitory factor OPG genetic mapping OCIF Tnfrsf11b tumor necrosis factor receptor superfamily, member 11b (osteoprotegerin) http://identifiers.org/mgd/MGI:109587 Gene - OCIF|TR1|Opg|osteoclastogenesis inhibitory factor|OPG O TR1