CD28 Protein, Mouse (HEK293, His)

CD28 Protein, a crucial regulator of T-cell activation, promotes cell proliferation, cytokine production, and T-cell survival. It enhances IL4 and IL10 production when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a disulfide-linked homodimer and interacts with DUSP14, CD80/B7-1, CD86/B7-2/B70, and GRB2 (By similarity). CD28 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD28 protein, expressed by HEK293, with C-His labeled tag.

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  • Species: Mouse
  • Source: HEK293
  • 保管条件:
    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.
  • 生物活性
  • Technical Parameters
  • Product Properties
  • ドキュメント
  • Help & FAQs

生物活性

製品説明

CD28 Protein, a crucial regulator of T-cell activation, promotes cell proliferation, cytokine production, and T-cell survival. It enhances IL4 and IL10 production when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a disulfide-linked homodimer and interacts with DUSP14, CD80/B7-1, CD86/B7-2/B70, and GRB2 (By similarity). CD28 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD28 protein, expressed by HEK293, with C-His labeled tag.

Background

CD28 Protein, a key player in T-cell activation, is involved in inducing cell proliferation, cytokine production, and promoting T-cell survival. It enhances the production of IL4 and IL10 in T-cells when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a homodimer through disulfide-linkage and interacts with DUSP14. It binds to CD80/B7-1 and CD86/B7-2/B70, and also has an interaction with GRB2 (By similarity).

Technical Parameters

  • Species Mouse
  • Source HEK293
  • Tag C-His
  • アクセッション番号
  • 遺伝子ID
  • Molecular Construction
    • N-term
    • CD28 (N20-L50)
      Accession # P31041
    • His
    • C-term
  • Protein Length

    Extracellular Domain

  • 別名

    CD28; CD28 Antigen; CD28 Molecule; IMD123; T-Cell-Specific Surface Glycoprotein CD28; Tp44; T-Cell-Specific Surface Glycoprotein; TP44; CD28 Antigen (Tp44)

  • AA Sequence

    NKILVKQSPLLVVDSNEVSLSCRYSYNLLAKEFRASLYKGVNSDVEVCVGNGNFTYQPQFRSNAEFNCDGDFDNETVTFRLWNLHVNHTDIYFCKIEFMYPPPYLDNERSNGTIIHIKEKHLCHTQSSPKL

  • Predicted Molecular Mass

    16.8 kDa

  • 分子量

    Approximately 40-50 kDa,based on Bis-Tris PAGE under reducing conditions,due to the glycosylation.

  • Glycosylation

    Yes

  • 純度

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

Product Properties

性状

Lyophilized powder

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.

輸送条件

Room temperature in continental US; may vary elsewhere.

Calculators

再構成計算機

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
希釈計算機

濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)

濃度 (開始) 濃度 (開始)
×
体積 (開始) 体積 (開始)
=
濃度 (終了) 濃度 (終了)
×
体積 (終了) 体積 (終了)
比活性計算機
  • 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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