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  5. CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His)

CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His)

Cat. No.: HY-P70125
COA Handling Instructions

CD276/B7-H3 protein can regulate T cell-mediated immune responses and act as a protective factor for tumor cells by inhibiting natural killer-mediated cell lysis. It also functions as a neuroblastoma cell marker, plays a role in acute and chronic transplant rejection, and modulates lymphocyte activity at mucosal surfaces. CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His) is the recombinant cynomolgus-derived CD276/B7-H3 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His) is 437 a.a., with molecular weight of 70-90 kDa.

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

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Description

CD276/B7-H3 protein can regulate T cell-mediated immune responses and act as a protective factor for tumor cells by inhibiting natural killer-mediated cell lysis. It also functions as a neuroblastoma cell marker, plays a role in acute and chronic transplant rejection, and modulates lymphocyte activity at mucosal surfaces. CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His) is the recombinant cynomolgus-derived CD276/B7-H3 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His) is 437 a.a., with molecular weight of 70-90 kDa.

Background

The CD276/B7-H3 protein is suggested to play a multifaceted role in the regulation of T-cell-mediated immune responses, potentially acting as a protective factor in tumor cells by inhibiting natural-killer-mediated cell lysis and serving as a marker for the detection of neuroblastoma cells. Additionally, CD276/B7-H3 may be involved in the development of acute and chronic transplant rejection, contributing to the regulation of lymphocytic activity at mucosal surfaces. Notably, it could play a crucial role in providing the placenta and fetus with an immunologically suitable environment throughout pregnancy. Both isoform 1 and isoform 2 of CD276/B7-H3 appear redundant in their ability to modulate CD4 T-cell responses, with isoform 2 demonstrated to enhance the induction of cytotoxic T-cells and selectively stimulate interferon-gamma production in the presence of T-cell receptor signaling. The interaction with TREML2 is identified as enhancing T-cell activation, highlighting the diverse roles CD276/B7-H3 may play in immune regulation and cellular responses.

Species

Cynomolgus

Source

HEK293

Tag

C-6*His

Accession

XP_015308534.1 (L29-E465)

Gene ID

102131295  [NCBI]

Molecular Construction
N-term
CD276 (L29-E465)
Accession # XP_015308534.1
6*His
C-term
Synonyms
rCynCD276/B7-H3, His; CD276 antigen; CD276; B7 homolog 3; B7-H3; CD276; Cynomolgus CD276
AA Sequence

LEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEGRDQGSAYANRTALFLDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGAPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSITITPQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEGRDQGSAYANRTALFLDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGAPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPPE

Molecular Weight

70-90 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, 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
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

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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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CD276/B7-H3 Protein, Cynomolgus (437a.a, HEK293, His)
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HY-P70125
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