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Recombinant Rat TrkA Fc Chimera Protein, CF

Catalog #: 1056-TK
3 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
1056-TK-050
R&D Systems Recombinant Proteins and Enzymes
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Citations (3)
FAQs
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Rat TrkA 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 ability to inhibit NGF-induced proliferation of TF‑1 human erythroleukemic cells. The ED50 for this effect is 10-40 ng/mL in the presence of 10 ng/mL of rrNGF.
Source
Mouse myeloma cell line, NS0-derived rat TrkA protein
Rat TrkA
(Ala33 - Pro418) &
(Ala34 - Pro418)
Accession # P35739		 IEGRMD Human IgG1
(Pro100 - Lys330)
N-terminus C-terminus
Accession #
P35739
N-terminal Sequence
Analysis
Ala33 & Ala34
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
69 kDa (monomer)
SDS-PAGE
120-130 kDa, reducing conditions

Product Datasheets

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1056-TK

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.

1056-TK

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: TrkA

Trk A, the product of the proto-oncogene trk, is a member of the neurotrophic tyrosine kinase receptor family that has three members. Trk A, Trk B and Trk C preferentially bind NGF, NT-4 and BDNF, and NT-3, respectively. All Trk family proteins share a conserved complex subdomain organization consisting of a signal peptide, two cysteine-rich domains, a cluster of three leucine-rich motifs, and two immunoglobulin-like domains in the extracellular region, as well as an intracellular region that contains the tyrosine kinase domain. Two distinct rat Trk A isoforms (TrkA-I and Trk-A-II) that differ by a 6-amino acid insertion in their extracellular domain have been identified. The longer Trk A isoform is the only isoform expressed within neuronal tissues whereas the shorter Trk A-I is expressed mainly in non-neuronal tissues. NGF binds to Trk A with low affinity and activates its cytoplasmic kinase, initiating a signaling cascade that mediates neuronal survival and differentiation. Higher affinity binding of NGF requires the coexpression of Trk A with the p75 NGF receptor (NGF R), a member of the tumor necrosis factor receptor superfamily. NGF R binds all neurotrophins with low affinity and modulates Trk activity as well as alters the specificity of Trk receptors for their ligands. NGF R can also mediate cell death when expressed independent of Trk.

References
  1. Esposito, D. et al. (2001) J. Biol. Chem. 276:32687.
  2. Sofroniew, M.V. et al. (2001) Annu. Rev. Neurosci. 24:1217.
Long Name
Neurotrophic Tyrosine Kinase Receptor A
Entrez Gene IDs
4914 (Human); 18211 (Mouse); 59109 (Rat)
Alternate Names
DKFZp781I14186; EC 2.7.10; EC 2.7.10.1; MTChigh affinity nerve growth factor receptor; Neurotrophic tyrosine kinase receptor type 1; neurotrophic tyrosine kinase, receptor, type 1; NTRK1; NTRK-1; p140-TrkA; TRK1-transforming tyrosine kinase protein; TrkA; Trk-A; TRKAOncogene TRK; TRKTRK1; tyrosine kinase receptor A

Citations for Recombinant Rat TrkA 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.

3 Citations: Showing 1 - 3
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  1. Pushing myelination: developmental regulation of myosin expression drives oligodendrocyte morphological differentiation
    Authors: HS Domingues, MM Urbanski, S Macedo-Rib, A Almaktari, A Irfan, Y Hernandez, H Wang, JB Relvas, B Rubinstein, CV Melendez-V, IM Pinto
    J. Cell. Sci., 2020-08-05;0(0):.
    Species: Rat
    Sample Types: Whole Cells
    Applications: Cell Culture
  2. Neurotrophic actions initiated by proNGF in adult sensory neurons may require peri-somatic glia to drive local cleavage to NGF.
    J. Neurochem., 2012-06-12;122(3):523-36.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Monitoring apoptosis and neuronal degeneration by real-time detection of phosphatidylserine externalization using a polarity-sensitive indicator of viability and apoptosis.
    Authors: Kim YE, Chen J, Langen R
    Nat Protoc, 2010-07-08;5(8):1396-405.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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