• Purity

  >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

• Endotoxin Level

  <0.01 EU per 1 μg of the protein by the LAL method.  

• Activity

  Measured by its ability to induce osteoclast differentiation of RAW 264.7 mouse monocyte/macrophage cells. The ED    ₅₀ for this effect is 0.5‑2 ng/mL.

• Source

  E. coli-derived Lys158-Asp316, with an N-terminal Met

• Accession #

• N-terminal Sequence    
  Analysis

  Met

• Predicted Molecular Mass

  19 kDa

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Data Images

Background: TRANCE/TNFSF11/RANK L

TRANCE (receptor activator of NF-kappa B ligand [RANK L], also called TNF-related activation-induced cytokine [TRANCE], osteoprotegrin ligand [OPGL], and osteoclast differentiation factor [ODF]), is a member of the tumor necrosis factor (TNF) family. TRANCE was originally identified as an immediate early gene up-regulated by T cell receptor stimulation. The mouse TRANCE cDNA encodes a type II transmembrane protein of 316 amino acids with a predicted cytoplasmic domain of 48 amino acids and an extracellular domain of 247 amino acids. The extracellular domain contains two potential N-linked glycosylation sites. Mouse and human TRANCE share 85% amino acid identity. TRANCE is primarily expressed in T cells and T cell rich organs, such as thymus and lymph nodes. The multi-functions of TRANCE include induction of activation of the c-jun N-terminal kinase, enhancement of T cell growth and dendritic cell function, induction of osteoclastogenesis, and lymph node organogenesis. RANK is the cell surface signaling receptor of TRANCE. RANK has been shown to undergo receptor clustering during signal transduction. Osteoprotegrin, a soluble member of the TNF receptor family which binds TRANCE, is a naturally occurring decoy receptor that counterbalances the effects of TRANCE.

• References:

1. Wong, B.R. et al. (1997) J. Biol. Chem. 272:25190.

2. Anderson, D.M. et al. (1997) Nature 390:175.

3. Nakagawa, N. et al. (1998) Biochem. Biophys. Res. Commun. 245:382.

4. Kong, Y-Y. et al. (1999) Nature 397:315.

• Long Name:

  TNF-related Activation-induced Cytokine

• Entrez Gene IDs:

  8600 (Human); 21943 (Mouse); 117516 (Rat)

• Alternate Names:

  CD254 antigen; CD254; ODF; OPGL; OPGLOPTB2; Osteoclast differentiation factor; Osteoprotegerin ligand; RANK L; RANKL; RANKLreceptor activator of nuclear factor kappa B ligand; Receptor activator of nuclear factor kappa-B ligand; sOdf; TNF-related activation-induced cytokine; TNFSF11; TRANCE; TRANCEODFhRANKL2; tumor necrosis factor (ligand) superfamily, member 11; tumor necrosis factor ligand superfamily member 11