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Recombinant Human IL-13 R alpha 1 Fc Chimera Protein, CF

Catalog #: 146-IR
4 Citations Datasheet / COA / SDS
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146-IR-100
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Citations (4)
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Human IL-13 R alpha 1 Fc Chimera Protein, CF Summary

Product Specifications

Purity
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized rhIL-13 R alpha 1/Fc Chimera at 4 µg/mL (100 µL/well) can bind rhIL-13 with a linear range of 1‑100 ng/mL.
Optimal dilutions should be determined by each laboratory for each application.
Source
Mouse myeloma cell line, NS0-derived human IL-13 R alpha 1 protein
Human IL-13 R alpha 1
Ala27 - Thr343 (Thr130Ile)
Accession # Q5JSL4		 IEGRMD Human IgG1
(Pro100 - Lys330)		 6-His tag
N-terminus C-terminus
Accession #
Q5JSL4
N-terminal Sequence
Analysis
Ala27
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
64 kDa (monomer)
SDS-PAGE
110 kDa, reducing conditions

Product Datasheets

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146-IR

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.

146-IR

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile 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

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: IL-13 R alpha 1

Two type 1 membrane proteins belonging to the hemopoietin receptor family have been cloned and shown to bind IL-13 with differing affinities. The lower affinity IL-13 binding protein, previously designated IL-13 R alpha, IL-13 R alpha ' or NR4, is now referred to as IL-13 R alpha 1. The high-affinity IL-13 binding protein, previously also designated IL-13 R or IL-13 R alpha ', is now referred to as IL-13 R alpha 2.

The human IL-13 R alpha 1 was originally cloned based on sequence homology to the mouse IL-13 R alpha 1. The IL-13 R alpha 1 cDNA encodes a 427 amino acid (aa) residue precursor protein with a putative 21 aa residue signal peptide, a 324 aa residue extracellular domain, a 23 aa residue transmembrane region and a 59 aa residue cytoplasmic tail. Human and mouseIL-13 R alpha 1 share 76% aa sequence identity. The extracellular domain of IL-13 R alpha 1 is also closely related to that of IL-13 R alpha 2. IL-13 R alpha 1 has been shown to combine with the IL-4 R alpha to form a high-affinity receptor complex capable of transducing an IL-13-dependent proliferative signal. The role of IL-13 R alpha 2 in IL-13 signaling remains to be elucidated.

References
  1. Caput, D. et al. (1996) J. Biol. Chem. 271:16921.
  2. Donaldson, D.D. et al. (1998) J. Immunol. 161:2317.
  3. Aman, M.J. et al. (1996) J. Biol. Chem. 271:29265.
  4. Hilton, D.J. et al. (1996) Proc. Natl. Acad. Sci. USA 93:497.
  5. Zhang, J.G. et al. (1997) J. Biol. Chem. 272:9474.
Long Name
Interleukin 13 Receptor alpha 1
Entrez Gene IDs
3597 (Human); 16164 (Mouse)
Alternate Names
bB128O4.2.1 (interleukin 13 receptor, alpha 1); Cancer/testis antigen 19; CD213a1 antigen; CD213a1; CT19; IL-13 R alpha 1; IL13 receptor alpha-1 chain; IL-13 receptor subunit alpha-1; IL13R alpha 1; IL-13R subunit alpha-1; IL13R; IL13RA; IL-13Ra; IL13RA1; IL-13Ra1; IL-13R-alpha-1; interleukin 13 receptor, alpha 1; interleukin-13 receptor subunit alpha-1; NR4

Citations for Recombinant Human IL-13 R alpha 1 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.

4 Citations: Showing 1 - 4
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  1. Engineered IL13 variants direct specificity of IL13Ralpha2-targeted CAR T cell therapy
    Authors: LA Stern, S Gholamin, I Moraga, X Yang, S Saravanaku, JR Cohen, R Starr, B Aguilar, V Salvary, JC Hibbard, A Kalbasi, JK Shepphird, J O'Hearn, KC Garcia, CE Brown
    Proceedings of the National Academy of Sciences of the United States of America, 2022-08-08;119(33):e2112006119.
    Species: Human
    Sample Types: Whole Cell
    Applications: Cell Culture
  2. Optimization of IL13R?2-Targeted Chimeric Antigen Receptor T Cells for Improved Anti-tumor Efficacy against Glioblastoma
    Authors: CE Brown, B Aguilar, R Starr, X Yang, WC Chang, L Weng, B Chang, A Sarkissian, A Brito, JF Sanchez, JR Ostberg, M D'Apuzzo, B Badie, ME Barish, SJ Forman
    Mol. Ther., 2017-10-05;26(1):31-44.
    Species: Human
    Sample Types: Whole Cells
    Applications: Cell Culture
  3. Development of an in vitro potency bioassay for therapeutic IL-13 antagonists: the A-549 cell bioassay.
    Authors: Miller R, Sadhukhan R, Wu C
    J. Immunol. Methods, 2008-03-07;334(1):134-41.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  4. Effect of IL-13 receptor alpha2 levels on the biological activity of IL-13 variant R110Q.
    Authors: Andrews AL, Bucchieri F, Arima K, Izuhara K, Holgate ST, Davies DE, Holloway JW
    J. Allergy Clin. Immunol., 2007-06-08;120(1):91-7.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Surface Plasmon Resonance

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