TrkB Protein, Mouse (HEK293, His)

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TrkB protein, also known as tropomyosin receptor kinase B, consists of a non-catalytic isoform. Unlike its catalytic isoform, the noncatalytic isoform of TrkB lacks intrinsic kinase activity. TrkB Protein, Mouse (HEK293, His) is the recombinant mouse-derived TrkB protein, expressed by HEK293 , with C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Mouse
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

TrkB protein, also known as tropomyosin receptor kinase B, consists of a non-catalytic isoform. Unlike its catalytic isoform, the noncatalytic isoform of TrkB lacks intrinsic kinase activity. TrkB Protein, Mouse (HEK293, His) is the recombinant mouse-derived TrkB protein, expressed by HEK293 , with C-His labeled tag.

Background

TrkB protein, also known as tropomyosin receptor kinase B, is composed of a non-catalytic isoform. Unlike its catalytic isoform, the non-catalytic isoform of TrkB lacks intrinsic kinase activity. The catalytic isoform of TrkB is responsible for initiating signaling cascades upon activation by its ligands, such as brain-derived neurotrophic factor (BDNF). However, the non-catalytic isoform of TrkB is believed to modulate the activity of the catalytic isoform and regulate its signaling pathways. While the precise role of the non-catalytic isoform of TrkB is still being investigated, it is thought to play a regulatory role in various cellular processes, particularly in neuronal development and synaptic plasticity. Further research is needed to fully elucidate the functional significance of the non-catalytic isoform of TrkB and its contribution to neuronal function.

Verified Bioactivity

1.This product does not contain protein kinase domain.
2.Measured in a cell proliferation assay using SH-SY5Y human neuroblastoma cells. The ED50 this effect is 0.3-0.6 μg/ml.
3.Measured by its binding ability in a functional ELISA. Immobilized recombinant Mouse/Human BDNF Protein (Native) at 10 μg/mL (100 μl/well) can bind biotinylated mouse TrkB-His with a linear range of 10-80 ng/mL.

Technical Parameters

  • Species Mouse
  • Source HEK293
  • Tag C-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • TrkB (C32-H429)
      Accession # P15209-1
    • His
    • C-term
  • Protein Length

    Extracellular Domain

  • Synonyms

    NTRK2; Neurotrophic Tyrosine Kinase, Receptor, Type 2, Isoform CRA_a; Neurotrophic Receptor Tyrosine Kinase 2; Neurotrophic Tyrosine Kinase, Receptor, Type 2; TRKB; Neurotrophin Receptor Tyrosine Kinase Type 2; BDNF/NT-3 Growth Factors Receptor; BDNF-Trop

  • AA Sequence

    CPTSCKCSSARIWCTEPSPGIVAFPRLEPNSVDPENITEILIANQKRLEIINEDDVEAYVGLRNLTIVDSGLKFVAYKAFLKNSNLRHINFTRNKLTSLSRRHFRHLDLSDLILTGNPFTCSCDIMWLKTLQETKSSPDTQDLYCLNESSKNMPLANLQIPNCGLPSARLAAPNLTVEEGKSVTLSCSVGGDPLPTLYWDVGNLVSKHMNETSHTQGSLRITNISSDDSGKQISCVAENLVGEDQDSVNLTVHFAPTITFLESPTSDHHWCIPFTVRGNPKPALQWFYNGAILNESKYICTKIHVTNHTEYHGCLQLDNPTHMNNGDYTLMAKNEYGKDERQISAHFMGRPGVDYETNPNYPEVLYEDWTTPTDIGDTTNKSNEIPSTDVADQSNREH

  • Molecular Weight

    Approximately 60-90 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

1.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
2.Lyophilized from a 0.22 μm filtered solution of 50 mM Tris-HCl, 300 mM NaCl, pH 7.4.
3.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.
Please refer to the lot-specific COA for specific buffer information.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) Volume (to add to vial)
=
Mass (in vial) Mass (in vial)
÷
Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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