Description: Induces bone resorption, acting probably through a signaling cascade which results in the secretion of factor(s) enhancing osteoclast formation and activity. (www.uniprot.org) Produced in E.coli as a monomeric, non-glycosylated, polypeptide chain containing 222 amino acids (fragment 1-214). The OSTF1 is fused to an 8 amino acid His Tag at C-terminus.