RBP-7 is a member of a superfamily of small cytoplasmic proteins which interact with hydrophobic ligands. RBP-7 is cytoplasmic protein which, like CRBP I and CRBP II, forms ?-barrel structures and participates in the intracellular transport of retinol. RBP-7 is a newly identified cellular retinol carrier, which is expressed in the kidney, heart and transverse colon in humans. Human recombinant RBP-7 produced in E. coli is fused with a 20 amino acid His-tag at the N- terminus. It is a single, non-glycosylated polypeptide chain of 154 amino acids (1-134 a.a.) and a molecular mass of 17.6 kDa. It has been purified by proprietary chromatographic techniques.
Human RBP7 expressed in E.coli
CAT# CSC-CTK0514-20 (20 μg); CAT# CSC-CTK0514-100 (100 μg)
Greater than 90% as determined by SDS-PAGE analysis.
Less than 1 EU/μg.
Sterile-filtered, colorless protein solution (0.5 m g/ml) containing 20 mM Tris-HCl buffer (pH8.0), 0.2 M NaCl, 2 mM DTT and 20% glycerol.
Please centrifuge product briefly before opening vial. The dissolved protein can be diluted into other aqueous buffers and stored at -20°C for future use.
Storage & Stability
Store at 4°C if entire vial will be used within 1 week. Store frozen at -20°C for longer periods of time. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
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