Recombinant Human IGFBP-rp1/IGFBP-7 Protein, CF

Name: Recombinant Human IGFBP-rp1/IGFBP-7 Protein, CF
Brand: rnd
SKU: 10163-B7

Catalog # 10163-B7

Datasheet / COA / SDS

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Key Product Details

Source:	E. coli
Accession #:	Q16270
Applications:	Bioactivity

View Full Technical Details for Recombinant Human IGFBP-rp1/IGFBP-7 Protein, CF

Product Specifications

Source	E. coli-derived human IGFBP-rp1/IGFBP-7 protein Ser27-Leu282
Purity	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin level	<0.10 EU per 1 μg of the protein by the LAL method.
N-terminal sequence Analysis	Ser27
Predicted Molecular Mass	26 kDa
SDS-PAGE	29-34 kDa, under reducing conditions
Activity	Measured by its binding ability in a functional ELISA. When Recombinant Human IGFBP-rp1/IGFBP-7 is used at 500 ng/mL (100 μL/well), the concentration of Recombinant Human CCL21/6Ckine (Catalog # 366-6C) that produces 50% optimal binding response is 2-12 ng/mL.

Recombinant Human IGFBP-rp1/IGFBP-7 Protein, CF Scientific Data Examples

	Recombinant Human IGFBP-rp1/IGFBP-7 Protein Binding Activity When Recombinant Human IGFBP-rp1/IGFBP-7 (Catalog # 10163-B7) is used at 500 ng/mL, 100 µL/well, Recombinant Human CCL21/6Ckine (Catalog # 366-6C) binds with an ED₅₀of 2-12 ng/mL.
	Recombinant Human IGFBP-rp1/IGFBP-7 Protein SDS-PAGE 2 µg/lane of Recombinant Human IGFNP-rp1/IGFBP-7 (Catalog # 10163-B7) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing major bands at 29-34 kDa and 25-30 kDa, respectively.

Formulation, Preparation and Storage

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

10163-B7

Formulation	Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 500 μg/mL in PBS.
Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: IGFBP-rp1/IGFBP-7

IGFBP-rp1, also known as IGFBP-7, Mac25/Angiomodulin (AGM), tumor-derived adhesion factor (TAF) and prostacyclin-stimulating factor (PSF), is a secreted protein that contains three protein domain modules. Human IGFBP-rp1 cDNA encodes 282 amino acid (aa) residue precursor protein with a putative 26 aa signal peptide. Mature IGFBP-rp1 is a glycosylated protein with an N-terminal IGFBP domain, followed by a Kazal-type serine proteinase inhibitor domain and a C-terminal immunoglobulin-like C2-type domain. The similarity of IGFBP-rp1 with the IGFBPs is confined to the N-terminal IGFBP domain, which contains all 12 of the conserved cysteine residues found in IGFBP1 through 5. Human and mouse IGFBP-rP1 are highly homologous. Human and mouse IGFBP-rp1 share 94% aa sequence identity. IGFBP‑rp1 is expressed in many normal tissues and in cancer cells. It is abundantly expressed in high endothelial venules (HEVs) of blood vessels in the secondary lymphoid tissues. The expression of IGFBP-rp1 is up-regulated in senescing epithelial cells and by retinoic acid. IGFBP-rp1 binds IGF and insulin with very low affinity and has been shown to enhance the mitogenic actions of IGF and insulin. IGFBP-rp1 also has IGF/insulin-independent activities. It interacts with heparan sulfate proteoglycans, type IV collagen, and specific chemokines. IGFBP-rp1 supports weak cell adhesion, promotes cell spreading on type IV collagen, and stimulates the production of the potent vasodilator PGI2. It modulates tumor cell growth and has also been implicated in angiogenesis. IGFBP-rp1 is proteolytically cleaved between lysine 97 and alanine 98. Cleaved IGFBP-rp1 has enhanced cell attachment activity but can no longer bind IGF/insulin (1-3).

Item	Value
References	Hwa, V. et al. (1999) Endocrinology Rev. 20:761. Nagakubo, D. et al. (2003) J. Immunol. 171:553. Ahmed, S. et al. (2003) Biochem. Biophys. Res. Commun. 310:612.
Long Name	Insulin-like Growth Factor Binding Protein Related Protein 1
Entrez Gene IDs	3490 (Human); 29817 (Mouse)
Alternate Names	FSTL2, IBP-7, IGFBP-7, IGFBP-7PGI2-stimulating factor, IGFBP-7v, IGFBP-rp1, IGFBP7, IGFBPrp1, MAC25 protein, MAC25IGF-binding protein 7, Mac25, PSF, PSFAGM, Prostacyclin-stimulating factor, TAF, Tumor-derived adhesion factor, angiomodulin, insulin-like growth factor binding protein 7, insulin-like growth factor-binding protein 7

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