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Recombinant Human MICA Fc Chimera Protein, CF

Bio-Techne includes R&D Systems | Catalog # 1300-MA

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1300-MA-050

Key Product Details

Source

NS0

Accession #

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Binding Activity

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human MICA protein
Human MICA
(Ala23 - Gln308)
Accession # NP_001170990
IEGRMD Human IgG1
(Pro100 - Lys330)
N-terminus C-terminus

Purity

>90%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<0.01 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Ala23

Predicted Molecular Mass

59 kDa (monomer)

SDS-PAGE

90-100 kDa, reducing conditions

Activity

Measured by its ability to bind rhNKG2D/Fc Chimera in a functional ELISA.

Formulation, Preparation and Storage

1300-MA
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution
Reconstitute at 100 μg/mL in sterile PBS.

Reconstitution Buffer Available:
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Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: MICA

MICA (MHC class I chain-related gene A) is a transmembrane glycoprotein that functions as a ligand for human NKG2D. A closely related protein, MICB, shares 85% amino acid identity with MICA. These proteins are distantly related to the MHC class I proteins. They possess three extracellular Ig‑like domains, but they have no capacity to bind peptide or interact with beta2-microglobulin. The genes encoding these proteins are found within the Major Histocompatibility Complex on human chromosome 6. The MICA locus is highly polymorphic with more than 50 recognized human alleles. MICA is absent from most cells but is frequently expressed in epithelial tumors and can be induced by bacterial and viral infections. MICA is a ligand for human NKG2D, an activating receptor expressed on NK cells, NKT cells, gamma delta T cells, and CD8+ alpha beta T cells. Recognition of MICA by NKG2D results in the activation of cytolytic activity and/or cytokine production by these effector cells. MICA recognition is involved in tumor surveillance, viral infections, and autoimmune diseases.

References

  1. Groh, V. et al. (2001) Nature Immunol. 2:255.
  2. Stephens, H. (2001) Trends Immunol. 22:378.
  3. Bauer, S. et al. (1999) Science 285:727.
  4. Groh, V. et al. (2002) Nature 419:734.
  5. Steinle, A. et al. (2001) Immunogenetics 53:279.
  6. Pende, D. et al. (2002) Cancer Res. 62:6178.
  7. NKG2D and its Ligands (2002) http://www.RnDSystems.com

Long Name

MHC Class I-related Protein A

Alternate Names

FLJ60820, MGC111087, PERB11.1

Entrez Gene IDs

100507436 (Human)

Gene Symbol

MICA

UniProt

Additional MICA Products

Product Documents for Recombinant Human MICA Fc Chimera Protein, CF

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Recombinant Human MICA Fc Chimera Protein, CF

For research use only

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Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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