Human IGF binding protein 4 (IGFBP-4) was isolated from human plasma based on its ability to bind immobilized IGF-I. Human IGFBP-4 cDNA encodes a 258 amino acid (aa) residue precursor protein with a predicted 21 aa residue signal peptide that is processed to generate the 237 aa residue mature human IGFBP-4. The human IGFBP-4 contains a potential N-linked glycosylation site and shares approximately 90% amino acid sequence identity with both the mouse and rat IGFBP-4. According to the nomenclature of IGFBPs defined at the 4th International Symposium of IGFs (1997, Tokyo), six high-affinity IGF binding proteins (IGFBP-1, -2, -3, 4, -5, -6), and four IGFBP-related proteins (IGFBPr-1, - 2, -3, -4) have been identified. All IGFBPs have a high cysteine content and share conserved cysteine residues that are clustered in the amino- and carboxy-terminal third of the molecule. IGFBPs have been shown to either inhibit or enhance the biological activities of IGF, or act in an IGF-independent manner. Post-translational modification of IGFBPs, including phosphorylation and proteolysis, have been shown to modify the affinities of the binding proteins for IGF and may indirectly regulate IGF actions.
Human IGFBP‑4 Alexa Fluor® 350‑conjugated Antibody
R&D Systems | Catalog # FAB8041U
Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Asp22-Glu258
Accession # AAA62670
Specificity
Clonality
Host
Isotype
Applications for Human IGFBP‑4 Alexa Fluor® 350‑conjugated Antibody
ELISA Capture (Matched Antibody Pair)
ELISA Detection (Matched Antibody Pair)
Western Blot
Neutralization
Formulation, Preparation, and Storage
Purification
Formulation
Shipping
Stability & Storage
Background: IGFBP-4
Long Name
Alternate Names
Gene Symbol
UniProt
Additional IGFBP-4 Products
Product Documents for Human IGFBP‑4 Alexa Fluor® 350‑conjugated Antibody
Certificate of Analysis
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Product Specific Notices for Human IGFBP‑4 Alexa Fluor® 350‑conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
Related Research Areas
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
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- Troubleshooting Guide: Western Blot Figures
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- Western Blot Protocol
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- Western Blot Troubleshooting Guide
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