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| Catalog Number | KMP2805 |
|---|---|
| Product Name | Human IGFBP4 Protein, His Tag |
| Product Description | The Human IGFBP4 Protein(KMP2805) is produced in HEK293 Cells. The target gene encoding the human IGFBP4 (NP_001543.2) precursor (Met 1-Glu 258) with a C-terminal polyhistidine tag is expressed. |
| Molecular Name | IGFBP4 |
| Alias | Human IGFBP4 Protein, His Tag, IGFBP4 |
| Molecular Weight | 27.4 kDa |
| Species | Human |
| Size | 50ug, 100ug, 200ug |
| Host | HEK293 Cells |
| Purity | >95% as determined by SDS-PAGE |
| Endotoxin | <1.0 EU/ug determined by the LAL method |
| Buffer | PBS, pH7.4 |
| Purification | Affinity purification |
| Background | Insulin-like growth factor-binding protein 4 (IGFBP-4) is a 24-kDa protein that binds insulin-like growth factor 1 (IGF-1) and IGF-2 with high affinity and inhibits IGF action in vitro. The Insulin-like growth factor-binding protein also known as IGFBP serves as a carrier protein for Insulin-like growth factor 1. IGFBPs are distinct but are sharing regions with strong homology. All members of the IGFBP family bind IGF-I and IGF-II with about equal affinity. Insulin-like growth factor (IGF) binding proteins (IGFBPs) have been shown to either inhibit or enhance the action of IGF or act in an IGF-independent manner in the prostate. IGF-binding protein-4 (IGFBP-4) inhibits IGF-I action in vitro and is the most abundant IGFBP in the rodent arterial wall. Expression of IGFBP-4 mRNA in nontransgenic littermates was maximal in the liver and kidney. IGFBP-4 is a functional antagonist of IGF-I action on SMC. There is mounting evidence that the structure of the IGFBP proteins plays a key role in the regulation of IGF bioavailability, by modulating its molecular size, capillary membrane permeability, target tissue specificity, cell membrane adherence, and IGF affinity. |
| Storage | Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles. |
| Note | This product is for research use only. |
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