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Recombinant Human DLL1 Fc Chimera Protein, CF

Catalog #: 10184-DL
2 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
10184-DL-050
Recombinant Human DLL1 Fc Chimera Protein Bioactivity
2 Images
Product Details
Citations (2)
FAQs
Reviews
Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Human DLL1 Fc Chimera Protein, CF Summary

Product Specifications

Purity
>90%, 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.
Activity
Measured by the ability of the immobilized protein to enhance BMP-2 induced alkaline phosphatase activity in C3H10T1/2 mouse embryonic fibroblast cells. Nobta, M. et al. (2005) J. Biol. Chem. 280:15842. The ED50 for this effect is 0.1-0.5 μg/mL.
Source
Mouse myeloma cell line, NS0-derived human DLL1 protein
Human DLL1
(Ser22-Glu537)
Accession # O00548		 IEGRMDP Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
O00548
N-terminal Sequence
Analysis
Ser22
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
82 kDa
SDS-PAGE
88-98 kDa, under reducing conditions

Product Datasheets

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10184-DL

Product Datasheet
COA
SDS

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.

10184-DL

Formulation Lyophilized from a 0.2 μm filtered solution in HEPES and EDTA.
Reconstitution Reconstitute at 250 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.

Scientific Data

Bioactivity Recombinant Human DLL1 Fc Chimera Protein Bioactivity View Larger

Recombinant Human DLL1 Fc Chimera (Catalog # 10184-DL) enhances Recombinant Human BMP-2 (Catalog # 355-BM) induced alkaline phosphatase activity in the C3H10T1/2 mouse embryonic fibroblast cell line. The ED50 for this effect is 0.1-0.5 µg/mL.

SDS-PAGE Recombinant Human DLL1 Fc Chimera Protein SDS-PAGE View Larger

2 μg/lane of Recombinant Human DLL1 Fc Chimera was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 88-98 kDa and 170-190 kDa, respectively.

Reconstitution Calculator

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: DLL1

Delta-like protein 1 (DLL1) is a 90-100 kDa type I transmembrane protein that belongs to the Delta/Serrate/Lag-2 (DSL) family of Notch ligands. Mature human DLL1 consists of a 528 amino acid (aa) extracellular domain (ECD) with one DSL domain and eight EGF-like repeats, a 23 aa transmembrane segment, and a 155 aa cytoplasmic domain (1). Within the ECD, human DLL1 shares 91% aa sequence identity with mouse and rat DLL1. It shares 26%, 37%, and 54% aa sequence identity with DLL2, 3, and 4, respectively. A 60 kDa ECD fragment released by ADAM9, 12, or 17 mediated proteolysis, promotes the proliferation of hematopoietic progenitor cells (2, 3). The residual membrane-bound portion of DLL1 can be cleaved by presenilin-dependent gamma -secretase, enabling the cytoplasmic domain to migrate to the nucleus (4). DLL1 localizes to adherent junctions on neuronal processes through its association with the scaffolding protein MAGI1 (5). DLL1 is widely expressed, and it plays an important role in embryonic somite formation, cochlear hair cell differentiation, plus B and T lymphocyte differentiation (6-11). The up-regulation of DLL1 in arterial endothelial cells following injury or angiogenic stimulation is central to postnatal arteriogenesis (12). DLL1 is also over-expressed in cervical carcinoma and glioma and contributes to tumor progression (1, 13). Soluble DLL-1 was shown to inhibit differentiation of hematopoietic precursor cells (14).

References
  1. Gray, G.E. et al. (1999) Am. J. Pathol. 154:785.
  2. Dyczynska, E. et al. (2007) J. Biol. Chem. 282:436.
  3. Karanu, F.N. et al. (2001) Blood 97:1960.
  4. Ikeuchi, T. and S.S. Sisodia (2003) J. Biol. Chem. 278:7751.
  5. Mizuhara, E. et al. (2005) J. Biol. Chem. 280:26499.
  6. Takahashi, Y. et al. (2003) Development 130:4259.
  7. Teppner, I. et al. (2007) BMC Dev. Biol. 7:68.
  8. Kiernan, A.E. et al. (2005) Development 132:4353.
  9. Schmitt, T.M. and J.C. Zuniga-Pflucker (2002) Immunity 17:749.
  10. Hozumi, K. et al. (2004) Nat. Immunol. 5:638.
  11. Santos, M.A. et al. (2007) Proc. Natl. Acad. Sci. 104:15454.
  12. Limbourg, A. et al. (2007) Circ. Res. 100:363.
  13. Purow, B.W. et al. (2005) Cancer Res. 65:2353.
  14. Han. W. et al. (2000) Blood. 95(5):1616.
Long Name
Delta-like 1
Entrez Gene IDs
28514 (Human); 13388 (Mouse); 84010 (Rat)
Alternate Names
delta (Drosophila)-like 1; Delta 1; Delta; Delta1; delta-like 1 (Drosophila); delta-like protein 1; DL1; DLL1; Drosophila Delta homolog 1; H-Delta-1

Citations for Recombinant Human DLL1 Fc Chimera Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. DLL4-Notch3-WNT5B axis mediates bi-directional pro-metastatic crosstalk between melanoma and lymphatic endothelial cells
    Authors: Alve, S;Gramolelli, S;Jukonen, J;Juteau, S;Pink, A;Manninen, AA;Hänninen, S;Monto, E;Lackman, MH;Carpén, O;Saharinen, P;Karaman, S;Vaahtomeri, K;Ojala, PM;
    JCI insight
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Fringe GlcNAc-transferases differentially extend O-fucose on endogenous NOTCH1 in mouse activated T cells
    Authors: K Matsumoto, V Kumar, S Varshney, AV Nairn, A Ito, F Pennarubia, KW Moremen, P Stanley, RS Haltiwange
    The Journal of Biological Chemistry, 2022-05-25;0(0):102064.
    Species: Human
    Sample Types: Whole Cells
    Applications: Binding Assay

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