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You are here:Home » Molecular Biology » MB-Proteins » Calbindin D-9K, Recombinant, Rat (D9K, CABP9K, CALB3, CABP1)

Calbindin D-9K, Recombinant, Rat (D9K, CABP9K, CALB3, CABP1)

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Specifications

CABP9K (CALB3 or CABP1; mouse, rat, and human 79 aa; chromosome Xp; ~9 kD) is a cytosolic Ca-binding protein initially found in rat pancreas. It is also expressed in intestine, placenta, uterus and kidney. Its expression is controlled by vitamin D and sex hormone in a tissue specific manner. In keeping with its role in Ca-transport, its expression is highest in duodenal villus enterocytes. It is further shown that CABP9K is only expressed in differentiated enterocytes. CABP9K gene also contains Cdx2-homeoprotein binding sites, and that Cdx2 may play a crucial role in CABP9K transcription. CaBP9K is expressed with a -6xHis tag and purified by proprietary chromatographic techniques.
Catalog #C0113-20
SolubilityIt is recommended to reconstitute the lyophilized CABP9K in sterile 18M -cm HO not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
StabilityLyophilized CABP9K although stable at room temperature for 3 weeks, should be stored desiccated below -180C. Upon reconstitution CABP9K should be stored at 40C between 2-7 days and for future use below -180C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid freeze-thaw cycles.
Molecular Weight~9kD
SourceE. coli
Purity90% as determined by reducing and non-reducing SDS-PAGE Coomassie.
Concentration~1mg/ml
FormSupplied as a lyophilized powder in 100mM phosphate buffer, pH 7.3.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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