Neurotrophin-4 Protein, Human

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NT-4 Protein, Human is a member of neurotrophins family, binding with two distinct receptors: TrkB, high affinity receptor and p75 low-affinity neurotrophin receptor (p75NTR).

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  • Species: Human
  • Source: E. coli
  • 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
  • References
  • Help & FAQs

Biological Activity

Description

NT-4 Protein, Human is a member of neurotrophins family, binding with two distinct receptors: TrkB, high affinity receptor and p75 low-affinity neurotrophin receptor (p75NTR).

Background

Neurotrophin-4 (NT-4) is a member of the well-studied family of neurotrophins that regulate the development of neuronal networks by participating in the growth of neuronal processes, synaptic development and plasticity, neuronal survival, differentiation, as well as myelination. Neurotrophin-4 binds with two distinct receptors: TrkB, high affinity receptor and p75 low-affinity neurotrophin receptor (p75NTR)[1].

Verified Bioactivity

1. The ED50 is <5 μg/mL as measured by C6 cells, corresponding to a specific activity of >2.0 × 102 units/mg.
2. Measured by its binding ability in a functional ELISA. When Recombinant Human Neurotrophin-4 is present at 5 μg/mL, can bind Recombinant Mouse TrkB. The ED50 for this effect is 8.676 ng/mL.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • Neurotrophin-4 (G81-A210)
      Accession # P34130
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    NTF4; Neutrophic Factor 4; Prev. NTF5; NT-4; Neurotrophin-4; NT-5; NT-4/5; Neurotrophic Factor 5; GLC1O; GLC10; Neurotrophin 5 (Neurotrophin 4/5); NT4; Neurotrophic Factor 4; NT5; Neurotrophin 4; Neurotrophin-5

  • AA Sequence

    GVSETAPASRRGELAVCDAVSGWVTDRRTAVDLRGREVEVLGEVPAAGGSPLRQYFFETRCKADNAEEGGPGAGGGGCRGVDRRHWVSECKAKQSYVRALTADAQGRVGWRWIRIDTACVCTLLSRTGRA

  • Predicted Molecular Mass

    14 kDa

  • Molecular Weight

    Approximately 15 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.

Endotoxin Level

<0.3 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.

References

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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