Name : IGF-BP-4, His, Human
Product Concentration :
Background :
Insulin-like growth factor-binding protein 4 (IGF-BP-4), also known as IBP-4, is a secreted glycoprotein belonging to the IGFBP family. IGF-BP-4 is produced by osteoblasts, epidermis, ovarian follicles and other tissues. It binds both Insulin-like growth factor (IGF) I and II, and it circulates in the plasma in both glycosylated and non-glycosylated forms. IGF-BP-4 prolongs the half-life of the IGFs and has been shown to inhibit or stimulate the growth-promoting effects of the IGFs. Pregnancy Associated Plasma Protein A (PAPP-A) proteolytically cleaves IGF-BP-4 and reduces its affinity to bind IGFs, and thus serves as an important regulator of IGF-BP-4 function.
Biological Activity :
ED50
expression system :
HEK 293
Tag :
IGF-BP-4 (Asp22-Glu258)Accession # P22692 Poly-His N-term C-term
Protein Accession No. :
P22692
Synonyms :
Insulin-like Growth Factor-Binding Protein 4; IBP-4; HT29-IGF-BP; colon cancer cell growth inhibitor
Molecular Weight :
30~35 kDa, on SDS-PAGE under reducing conditions.
Purity :
> 95% as analyzed by SDS-PAGE
Product Concentration :
Lyophilized after extensive dialysis against PBS.
Storage and Stability :
Upon receiving, this product remains stable for up to 6 months at -70°C or -20°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. Avoid repeated freeze-thaw cycles.
Related category websites: https://www.medchemexpress.com/recombinant-proteins.html
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