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Human CD276 protein (active)

Human CD276 protein (active). GTX00156-pro
Human CD276 protein (active). GTX00156-pro
Human CD276 protein (active). GTX00156-pro

Cat No. GTX00156-pro

Application Functional Assay
Species Human
Package
10 μg ($289)
APPLICATION

Application Note

Cluster Of Differentiation 276 (CD276) also known as B7-H3 in human, is a member of the B7/CD28 superfamily of costimulatory molecules serving as an accessory modulator of T-cell response. B7 proteins are immunoglobulin (Ig) superfamily members with extracellular Ig-V-like and Ig-C-like domains and short cytoplasmic domains. Among the family members, they share about 20-40% amino acid (aa) sequence identity. CD276 may play a protective role in tumor cells by inhibiting natural-killer mediated cell lysis as well as a role of marker for detection of neuroblastoma cells. It has also been found to enhance the induction of primary cytotoxic T lymphocytes and stimulate IFN-gamma production. Besides, Sialic acid-binding Ig-like lectin 12 (SIGLEC12) has been identified as an interactor of CD276, thus a binding ELISA assay was conducted to detect the interaction of recombinant human CD276 and recombinant human SIGLEC12. Briefly, CD276 were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to SIGLEC12-coated microtiter wells and incubated for 2h at 37ºC. Wells were washed with PBST and incubated for 1h with anti-CD276 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37ºC. Finally, add 50 μl stop solution to the wells and read at 450nm immediately. The binding activity of CD276 and SIGLEC12 was in a dose dependent manner.

Observed MW

22 kDa.
PROPERTIES

Form

Lyophilized powder

Buffer

Lyophilized from 20 mM Tris (pH 8.0) with 150 mM NaCl, 1 mM EDTA, 1 mM DTT, 0.01% SKL, 5% Trehalose, Proclin300. Reconstitute with 20 mM Tris and 150 mM NaCl (pH 8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.

Storage

For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, store at -20ºC or below. After reconstitution, keep as concentrated solution.Avoid freeze-thaw cycles.

Region/Sequence

N-terminal His-Tag; Thr47~Ser219 (NP_001019907.1)

Expression System

E. coli

Purity

> 97%

Endotoxin

< 1 EU/μg

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
TARGET

Synonyms

CD276 molecule,4Ig-B7-H3,B7-H3,B7H3,B7RP-2

Background

The protein encoded by this gene belongs to the immunoglobulin superfamily, and thought to participate in the regulation of T-cell-mediated immune response. Studies show that while the transcript of this gene is ubiquitously expressed in normal tissues and solid tumors, the protein is preferentially expressed only in tumor tissues. Additionally, it was observed that the 3' UTR of this transcript contains a target site for miR29 microRNA, and there is an inverse correlation between the expression of this protein and miR29 levels, suggesting regulation of expression of this gene product by miR29. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]

Database

Research Area

DATA IMAGES
Human CD276 protein (active). GTX00156-pro

GTX00156-pro Functional Assay Image

Functional ELISA analysis of GTX00156-pro Human CD276 protein (active) which can bind immobilized SIGLEC12 protein.

Human CD276 protein (active). GTX00156-pro

GTX00156-pro Image

SDS-PAGE analysis of GTX00156-pro Human CD276 protein (active).

Human CD276 protein (active). GTX00156-pro

GTX00156-pro Image

WB analysis of GTX00156-pro Human CD276 protein (active).

REFERENCE
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REVIEW
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Package List Price ($)
$ 289