Recombinant Mouse Betacellulin

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Pricing & Details

Prod. No.B527
Expression Host
E. coli
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25 µg
Min: 1
Step: 1


Betacellulin, also known as BTC, a member of the EGF family of cytokines. BTC is initially synthesized as a glycosylated 32 kDa transmembrane precursor protein, which is processed by proteolytic cleavage to produce the mature sequence (1). Several tissues including kidney, liver, pancreas, uterus, small intestine as well as certain tumor cells express BTC (2). In addition, it can also be found in bodily fluids including serum, milk and colostrum (3). BTC is a potent mitogen for retinal pigment epithelial cells, vascular smooth muscle cells and fibroblasts (4). It also promotes pancreatic beta-cell growth and differentiation (5). The primary receptor for BTC is the receptor for EGF, specifically ErbB-1 and ErbB-4 (6).

Protein Details

>97% by SDS-PAGE and analyzed by silver stain.
Endotoxin Level
<0.01EU/µg as determined by the LAL method
Biological Activity
The biological activity of Mouse BTC was determined by its ability to stimulate 3H-thymidine incorporation by Balb/3T3 mouse fibroblasts. The expected ED50 is typically 0.1 - 0.4 ng/mL.
Expression Host
E. coli
Protein Accession No.
Amino Acid Sequence
dgnttrtpe tngslcgapg enctgttprq kvkthfsrcp kqykhycihg rcrfvvdeqt pscicekgyf garcervdlf ylqqdrgq
N-terminal Sequence Analysis
State of Matter
Predicted Molecular Mass
The predicted molecular weight of Recombinant Mouse Betacellulin is Mr 9.9 kDa.
This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.
Storage and Stability
This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Country of Origin
Next Day Ambient
NCBI Gene Bank

References & Citations

1. Tada, H. et al. (1999) J. Cell Biochem. 72:423
2. Shing, Y. et al. (1993) Science 259:1604
3. Bastian, SE. et al. (2001) J. Endocrnol. 168:203
4. Dunbar, AJ. et al. (2000) J. Biochem. Cell Bio. 32:805
5. Li, L. et al. (2001) Endocrinology 142:5379
6. Watanabe, T. et al. (1994) J. Bio. Chem. 269:9966
IMPORTANT Use lot specific datasheet for all technical information pertaining to this recombinant protein.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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