Recombinant Human Insulin-like growth factor-binding protein 5 protein (IGFBP5), Homo sapiens (Human), E.Coli, Tag-Free, 28.6 kDa, purity >>96% as determined by SDS-PAGE.
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Recombinant Human Insulin-like growth factor-binding protein 5 protein (IGFBP5)

Recombinant Human Insulin-like growth factor-binding protein 5 protein (IGFBP5) — Multifunctional protein that plays a critical role in regulating the availability of IGFs to their receptors and thereby regulates IGF-mediated cellular processes including proliferation, different… Purity >96%.

SKU: BCACP-000924 Categories: ,
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Product SKUBCACP-000924
Product DescriptionRecombinant Human Insulin-like growth factor-binding protein 5 protein (IGFBP5) protein is expressed from E.Coli with Tag-Free. It contains 21-272aa. [Accession | P24593].
Uniprot No.P24593
Gene NamesIGFBP5
Purity>96% as determined by SDS-PAGE.
Expression SystemE.Coli
Expression Region21-272aa
SpeciesHomo sapiens (Human)
Tag InfoTag-Free
Molecular weight28.6 kDa
ActivityFully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using serum free human MCF-7 cells is less than 2 ng/ml, corresponding to a specific activity of >5.0x105 IU/mg.
BufferLyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0
StorageStore at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Alternative NamesIBP 5; IBP-5; IBP5; IBP5_HUMAN; IGF binding protein 5; IGF BP5; IGF-binding protein 5; IGFBP 5; IGFBP-5; IGFBP5; Insulin like growth factor binding protein 5; Insulin-like growth factor-binding protein 5

Function

Multifunctional protein that plays a critical role in regulating the availability of IGFs to their receptors and thereby regulates IGF-mediated cellular processes including proliferation, differentiation, and apoptosis in a cell-type specific manner. Increases the cell proliferation of osteoblasts, intestinal smooth muscle cells and neuroblastoma cells.

Product Specifications

Recombinant Human Insulin-like growth factor-binding protein 5 protein (IGFBP5) — Multifunctional protein that plays a critical role in regulating the availability of IGFs to their receptors and thereby regulates IGF-mediated cellular processes including proliferation, different… Purity >96%. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Multifunctional protein that plays a critical role in regulating the availability of IGFs to their receptors and thereby regulates IGF-mediated cellular processes including proliferation, differentiation, and apoptosis in a cell-type specific manner (PubMed:18930415, PubMed:7683690). Increases the cell proliferation of osteoblasts, intestinal smooth muscle cells and neuroblastoma cells. Enhances adhesion and survival of epithelial cells but decreases adhesion of mesenchymal cells (By similarity). Once secreted, acts as a major mediator of mTORC1-dependent feedback inhibition of IGF1 signaling (By similarity). Also plays a role in the induction of extracellular matrix (ECM) production and deposition independently of its nuclear translocation and binding to IGFs (PubMed:20345844, PubMed:26103640). Acts itself as a growth factor that can act independently of IGFs to regulate bone formation. Acts as a ligand for the ROR1 receptor which triggers formation of ROR1/HER2 heterodimer to enhance CREB oncogenic signaling (PubMed:36949068)

Subcellular Location

Secreted; Cytoplasm; Nucleus

Tissue Specificity

Osteosarcoma, and at lower levels in liver, kidney and brain

Subunit

Interacts with IGF1; this interaction enhances the growth stimulatory effects of IGF1 on fibroblasts (PubMed:7683690). Interacts with CAV1; this interaction allows trafficking of IGFBP5 from the plasma membrane to the nucleus (PubMed:20345844). Interacts with NCL; this interaction is necessary for IGFBP5 localization to the nucleus (PubMed:26103640)

Gene: IGFBP5  |  Organism: Homo sapiens
Key Publications

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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