MICB Protein, Human (HEK293, His)

Customer Review

Based on 1 Customer Validation

MICB Protein, a heavily glycosylated ligand for NKG2D receptor, triggers cytolytic response in immune cells. It resembles MHC class I molecules but lacks association with beta-2-microglobulin or peptide binding. Alternative splicing leads to multiple transcript variants. MICB is widely expressed, especially in lymph nodes and bone marrow, highlighting its immune response role in diverse physiological contexts. MICB Protein, Human (HEK293, His) is the recombinant human-derived MICB protein, expressed by HEK293 , with C-His, C-6*His 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

MICB Protein, a heavily glycosylated ligand for NKG2D receptor, triggers cytolytic response in immune cells. It resembles MHC class I molecules but lacks association with beta-2-microglobulin or peptide binding. Alternative splicing leads to multiple transcript variants. MICB is widely expressed, especially in lymph nodes and bone marrow, highlighting its immune response role in diverse physiological contexts. MICB Protein, Human (HEK293, His) is the recombinant human-derived MICB protein, expressed by HEK293 , with C-His, C-6*His labeled tag.

Background

MICB encodes a heavily glycosylated protein that serves as a ligand for the NKG2D type II receptor. Upon binding, this ligand triggers the cytolytic response of various immune cells, including natural killer (NK) cells, CD8 alphabeta T cells, and gammadelta T cells expressing the receptor. Notably, MICB is stress-induced and shares similarities with MHC class I molecules, although it does not associate with beta-2-microglobulin or bind peptides. Alternative splicing generates multiple transcript variants, adding to the complexity of its functional repertoire. The expression of MICB is broad, with notable presence in lymph nodes, bone marrow, and various other tissues, underscoring its role in immune responses across diverse physiological contexts.

Verified Bioactivity

Immobilized Human NKG2D/CD314 (HY-P76512) at 2 μg/mL (100 μL/well) can bind Human MICB. The ED50 for this effect is 115.3 ng/mL.

MCE Validation Data

  • Bioactivity - ELISA

    Bioactivity - ELISA

    Immobilized Human NKG2D/CD314 (HY-P76512) at 2 μg/mL (100 μL/well) can bind Human MICB. The ED50 for this effect is 115.3 ng/mL.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • MICB (A23-G298)
      Accession # NP_005922.2
    • 6*His
    • C-term
  • Protein Length

    Partial Extracellular Domain

  • Synonyms

    MICB; MHC Class I Chain-Related Protein; MHC Class I Polypeptide-Related Sequence B; Stress Inducible Class I Homolog; PERB11.2; MHC Class I Mic-B Antigen; MHC Class I Antigen-Related Protein B; MICB Protein; MHC Class I Chain-Related Protein B; MICB Anti

  • AA Sequence

    AEPHSLRYNLMVLSQDGSVQSGFLAEGHLDGQPFLRYDRQKRRAKPQGQWAENVLGAKTWDTETEDLTENGQDLRRTLTHIKDQKGGLHSLQEIRVCEIHEDSSTRGSRHFYYDGELFLSQNLETQESTVPQSSRAQTLAMNVTNFWKEDAMKTKTHYRAMQADCLQKLQRYLKSGVAIRRTVPPMVNVTCSEVSEGNITVTCRASSFYPRNITLTWRQDGVSLSHNTQQWGDVLPDGNGTYQTWVATRIRQGEEQRFTCYMEHSGNHGTHPVPSG

  • Molecular Weight

    Approximately 45-50 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

Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, pH 7.4.

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

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=
Mass (in vial) Mass (in vial)
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Desired Reconstitution Concentration Desired Reconstitution Concentration
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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