Recombinant Mouse Lipocalin-13 Protein, CF

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R&D Systems Recombinant Proteins and Enzymes
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Recombinant Mouse Lipocalin-13 Protein, CF Summary

Product Specifications

>95%, by SDS-PAGE with silver staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its ability to bind all-trans-retinoic acid. The concentration of all-trans-retinoic acid required to quench 50% of Trp fluorescence in Recombinant Mouse Lipocalin-13 is approximately 20-120 µM.
E. coli-derived mouse Lipocalin-13 protein
Accession #
N-terminal Sequence
Predicted Molecular Mass
18 kDa
18 kDa, reducing conditions

Product Datasheets

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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.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Background: Lipocalin-13

Recombinant Mouse Lipocalin-13, also known as Odorant-Binding Protein 2a, is a member of the Lipocalin family of small secreted proteins, which are involved in a variety of biological processes including chemical communication, cell proliferation and differentiation, metabolism, reproduction, immune responses, and cancer development (1). Members of this family share a highly-conserved tertiary structure with a characteristic beta -barrel at the center (1). This central cavity binds to small lipophilic molecules, including fatty acids, retinol, steroids, odorants, and pheromones, allowing Lipocalins to regulate the transportation, stability, release, and activity of these molecules (1). Mouse Lipocalin-13 is synthesized as a 176 amino acid (aa) precursor that contains a 19 aa signal sequence and a 157 aa mature region. It has been suggested that the Lipocalin-13 precursor undergoes proteolytic processing because two isoforms with molecular weights between 20 and 29 kDa have been identified on SDS-PAGE (2). Mature mouse Lipocalin-13 shares 69% and 36% aa sequence identity with the rat and human orthologs, respectively.</p><p /><p>Lipocalin-13 is expressed and secreted by multiple tissues in mice including liver, pancreas, and skeletal muscle (2). It has been shown to regulate glucose and lipid metabolism (2, 3). Lipocalin-13 deficiency is associated with obesity and is thought to contribute to hyperglycemia, insulin resistance, glucose intolerance and hepatic steatosis in obese mice (2, 3). Additionally, Lipocalin-13 has been shown to have anti-diabetogenic effects. It suppresses hepatic glucose production, uptake of circulating glucose by adipocytes, and induction of fatty acid oxidation by liver, possibly by stimulating CPT-1 alpha production (1-3)

  1. Zhou, Y. and L. Rui (2013) Vitam. Horm. 91:369.
  2. Cho, K.W. et al. (2011) Mol. Cell. Biol. 31:450.
  3. Sheng, L. et al. (2011) J. Biol. Chem. 286:38128.
Entrez Gene IDs
227627 (Mouse)
Alternate Names
Lcn;Lcn13;Obp2a;Odorant-binding protein 2a; LCN13; Lipocalin13; Lipocalin-13; Obp2a

Citation for Recombinant Mouse Lipocalin-13 Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Control of diabetic hyperglycaemia and insulin resistance through TSC22D4
    Nat Commun, 2016-11-09;7(0):13267.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay


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