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SIRP gamma Protein, Human (HEK293, His-Avi)

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SIRP γ protein is a possible immunoglobulin-like cell surface receptor that mediates cell-cell adhesion by binding to CD47. This interaction enhances antigen-specific T cell proliferation and provides costimulatory signals for T cell activation, highlighting the role of SIRP gamma in regulating immune responses. SIRP gamma Protein, Human (HEK293, His-Avi) is the recombinant human-derived SIRP gamma protein, expressed by HEK293 , with C-His, C-Avi labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • 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.
  • SIRP gamma Protein, Human (HEK293, His-Avi) Product Image
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
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Biological Activity

Description

SIRP γ protein is a possible immunoglobulin-like cell surface receptor that mediates cell-cell adhesion by binding to CD47. This interaction enhances antigen-specific T cell proliferation and provides costimulatory signals for T cell activation, highlighting the role of SIRP gamma in regulating immune responses. SIRP gamma Protein, Human (HEK293, His-Avi) is the recombinant human-derived SIRP gamma protein, expressed by HEK293 , with C-His, C-Avi labeled tag.

Background

The SIRP gamma protein emerges as a probable immunoglobulin-like cell surface receptor, demonstrating its role in mediating cell-cell adhesion upon binding with CD47. This interaction is pivotal in enhancing antigen-specific T-cell proliferation and providing costimulatory signals for T-cell activation. As a result, SIRP gamma engages with CD47 on antigen-presenting cells, highlighting its involvement in modulating immune responses. The intricate interactions between SIRP gamma and CD47 underscore its significance as a cell surface receptor, playing a crucial role in cellular adhesion and the regulation of T-cell activation pathways.

Verified Bioactivity

Immobilized Human SIRP Gamma, His Tag at 5μg/ml (100μl/well) on the plate. Dose response curve for Human CD47, hFc Tag with the EC50 of 2.25 μg/ml determined by ELISA.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-Avi;C-8*His
  • Accession

    Q9P1W8-1 (E29-P360)

  • Gene ID
    55423  [NCBI]
  • Molecular Construction
    • N-term
    • SIRP gamma (E29-P360)
      Accession # Q9P1W8-1
    • 8*His-Avi
    • C-term
  • Protein Length

    Extracellular Domain

  • Synonyms

    SIRPG; CD172 Antigen-Like Family Member B; Prev. SIRPB2; CD172g Antigen; SIRP-B2; SIRP-Gamma; Signal-Regulatory Protein Gamma; Signal-Regulatory Protein Beta 2; SIRPgamma; SIRP Beta 2; BA77C3.1; SIRP-Beta-2; CD172g; Signal Regulatory Protein Gamma; Signal

  • AA Sequence

    EEELQMIQPEKLLLVTVGKTATLHCTVTSLLPVGPVLWFRGVGPGRELIYNQKEGHFPRVTTVSDLTKRNNMDFSIRISSITPADVGTYYCVKFRKGSPENVEFKSGPGTEMALGAKPSAPVVLGPAARTTPEHTVSFTCESHGFSPRDITLKWFKNGNELSDFQTNVDPTGQSVAYSIRSTARVVLDPWDVRSQVICEVAHVTLQGDPLRGTANLSEAIRVPPTLEVTQQPMRVGNQVNVTCQVRKFYPQSLQLTWSENGNVCQRETASTLTENKDGTYNWTSWFLVNISDQRDDVVLTCQVKHDGQLAVSKRLALEVTVHQKDQSSDATP

  • Predicted Molecular Mass

    39.7 kDa

  • Molecular Weight

    Approximately 45-52 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by Bis-Tris PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4. Normally 8% trehalose is added as protectant before lyophilization.

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.

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

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Dilution Calculator

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

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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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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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