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  3. NK Cell CD Proteins Macrophage CD Proteins Erythrocyte CD Proteins Dendritic Cell CD Proteins Epithelial cell CD Proteins Endothelial cell CD Proteins Cell Adhesion-related CD Proteins
  4. LFA-3/CD58
  5. CD2 Protein, Human (HEK293, His)

CD2 Protein, Human (HEK293, His)

Cat. No.: HY-P7882
COA Handling Instructions

CD2 Protein, Human (HEK 293, His) is a transmembrane cell surface glycoprotein found on virtually all T cells, thymocytes, and NK cells. CD2 ligation by CD58 has been shown to mediate T cell adhesion, T cell activation, T cell cytokine production and T cell and NK cells cytotoxic activity.

For research use only. We do not sell to patients.

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Description

CD2 Protein, Human (HEK 293, His) is a transmembrane cell surface glycoprotein found on virtually all T cells, thymocytes, and NK cells. CD2 ligation by CD58 has been shown to mediate T cell adhesion, T cell activation, T cell cytokine production and T cell and NK cells cytotoxic activity.

Background

The human CD2 molecule is a transmembrane cell surface glycoprotein found on virtually all T cells, thymocytes, and NK cells. CD2 promotes the physical interaction of T-NK lineage cells with antigen-presenting cells (APCs), stromal elements, and a variety of target cells bearing the ubiquitously expressed CD2 ligand, CD58. In the case of T cells, CD2 fosters the initial stages of cell contact even prior to T cell receptor (TCR) recognition of a peptide antigen bound to a major histocompatibility complex (MHC) molecule (pMHC). Thus, unlike with integrin-based adhesion such as that mediated by CD11a/CD18 (LFA-1), CD2 adhesion function is independent of TCR triggering[1].

Species

Human

Source

HEK293

Tag

C-6*His

Accession

P06729 (K25-D209)

Gene ID

914  [NCBI]

Molecular Construction
N-term
CD2 (K25-D209)
Accession # P06729
6*His
C-term
Synonyms
rHuT-cell surface antigen CD2/LFA-3 receptor, His; T-cell surface antigen CD2; Erythrocyte receptor; LFA-2; LFA-3 receptor; Rosette receptor; T-cell surface antigen T11/Leu-5
AA Sequence

KEITNALETWGALGQDINLDIPSFQMSDDIDDIKWEKTSDKKKIAQFRKEKETFKEKDTYKLFKNGTLKIKHLKTDDQDIYKVSIYDTKGKNVLEKIFDLKIQERVSKPKISWTCINTTLTCEVMNGTDPELNLYQDGKHLKLSQRVITHKWTTSLSAKFKCTAGNKVSKESSVEPVSCPEKGLD

Molecular Weight

Approximately 34.0 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

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. 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.

Documentation
References
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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CD2 Protein, Human (HEK293, His)
Cat. No.:
HY-P7882
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