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咨询Carrier Free
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.
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.
9486-CL
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS, EDTA and DTT. |
| Reconstitution | Reconstitute at 250 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.
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Recombinant Human FABP7/B-FABP Protein, CF Summary
Product Specifications
Met1-Ala132, with a C-terminal 6-His tag
Analysis
Background: FABP7/B-FABP
Fatty acid binding proteins (FABP) are small cytoplasmic lipid binding proteins that are expressed in a tissue specific manner and are involved in intracellular lipid transport. All FABPs bind free fatty acids, cholesterol, and retinoids, which differ in their selectivity, affinity and binding mechanism (1). Circulating FABP levels are used as indicators of tissue damage. Some FABP polymorphisms have been associated with disorders of lipid metabolism and the development of atherosclerosis (2). FABPs are structurally conserved, consisting of a water-filled, ligand-binding pocket surrounded by ten anti-parallel beta-barrel structures, capped by an N-terminal helix-turn-helix motif. The helical N-terminus is involved in the regulation of FA transfer from membranes (3). FABP7, also known as (Brain) B-FABP, Brain lipid-binding protein (BLBP) and mammary-derived growth inhibitor-related (MRG), is a member of FABPs family that is expressed spatially and temporally during brain development and neuronal differentiation (4). It is involved in fatty acid uptake and intracellular transport and is important in brain development. Human and mouse FABP7 share 86% amino acid sequence identity (4).
- Smathers, R. et al. (2011) Hum. Genomics. 5:170.
- Furuhashi, M. et al. (2008) Nat. Rev. Drug Discov. 7:489.
- Storch, J. et al. (2010) J. Biol. Chem. 285:32679.
- Balendiran, G., et al. (2000) J. Biol. Chem. 275:27045.
参考图片
R&D Systems proteins are almost always sold with a bioassay to indicate activity. However, we recognize that sometimes proteins might be novel, and their bioactivity may not be well understood. In addition, some researchers may wish to use polypeptides to make antibodies. To facilitate the advancement of new science, we now offer our Innovator Series of proteins.