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IGF-BP7, human recombinant protein
Insulin-like growth factor binding protein-7, IBP-7, Mac25, IGF binding protein related protein-1 (I
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
| Primary Accession | Q16270 |
|---|---|
| Calculated MW | 26.4 kDa |
| Gene ID | 3490 |
|---|---|
| Gene Symbol | IGFBP7 |
| Other Names | Insulin-like growth factor binding protein-7, IBP-7, Mac25, IGF binding protein related protein-1 (IGFBPrP1) |
| Gene Source | Human |
| Source | E. Coli |
| Assay&Purity | SDS-PAGE; ≥98% |
| Assay2&Purity2 | HPLC; |
| Recombinant | Yes |
| Sequence | SSSDTCGPCE PASCPPLPPL GCLLGETRDA CGCCPMCARG EGEPCGGGGA GRGYCAPGME CVKSRKRRKG KAGAAAGGPG VSGVCVCKSR YPVCGSDGTT YPSGCQLRAA SQRAESRGEK AITQVSKGTC EQGPSIVTPP KDIWNVTGAQ VYLSCEVIGI PTPVLIWNKV KRGHYGVQRT ELLPGDRDNL AIQTRGGPEK HEVTGWVLVS PLSKEDAGEY ECHASNSQGQ ASASAKITVV DALHEIPVKK GEGAEL |
| Target/Specificity | IGF-BP7 |
| Application Notes | Centrifuge the vial prior to opening. Reconstitute in acetic acid to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C. |
| Format | Lyophilized powder |
| Storage | -20°C; Sterile filtered through a 0.2 micron filter. Lyophilized from 10 mM Acetic Acid |
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Provided below are standard protocols that you may find useful for product applications.
Background
IGF-BPs controls the distribution, function and activity of IGFs in various cell tissues and body fluids. Currently there are seven named IGF-BPs that form high affinity complexes with both IGF-I and IGF-II. IGF-BP7 is expressed in a wide range of normal human tissues and it generally shows reduced expression in cancer cell lines of prostate, breast, colon, and lung origin. It plays a role in skeletal myogenesis by binding to IGF in a manner that inhibits IGF induced differentiation of skeletal myoblasts, without affecting IGF induced proliferation. Additionally, IGF-BP7 suppresses growth and colony formation of prostate and breast cancer cell lines through an IGF independent mechanism, which causes a delay in the G1 phase of the cell cycle, and increased apoptosis. Recombinant human IGF-BP7 is a 26.4 kDa protein consisting of 256 amino acid residues.
References
Murphy M.,et al.Cell Growth Differ. 4:715-722(1993).
Yamauchi T.,et al.Biochem. J. 303:591-598(1994).
Kalnine N.,et al.Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases.
Ota T.,et al.Nat. Genet. 36:40-45(2004).
Hillier L.W.,et al.Nature 434:724-731(2005).
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