Biotinylated Human IGFBP-4 Protein, His,Avitag? (MALS verified) [IG4-H82E3]

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Synonyms	-
Characteristics	This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag?). The protein has a calculated MW of 29.6 kDa. The protein migrates as 35-40 kDa and 41-42 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin Level	N/A
Purity	90%
Description	Insulin-like growth factor-binding protein 4 (IGFBP-4) is also known as IGF-binding protein 4, which contains an IGFBP domain and a thyroglobulin type-I domain. IGFBP-4 binds both insulin-like growth factors (IGFs) I and II and circulates in the plasma in both glycosylated and non-glycosylated forms. Binding of this protein prolongs the half-life of the IGFs and alters their interaction with cell surface receptors. IGFBP-4 is a unique protein and it consistently inhibits several cancer cells in vivo and in vitro. Its inhibitory action has been shown in vivo in prostate and colon. IGFBP-4 is secreted by all colon cancer cells.
Reference	-
URL	https://www.acrobiosystems.com/products/protein/igfbp-4-human-ig4-h82e3

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