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Dima Biotech

SKU(재고 관리 코드):PME100017

Human CTLA-4 Protein, mFc-His Tag

Human CTLA-4 Protein, mFc-His Tag

Size
Target
Uniprot ID
PRODUCT DATA
TARGET

SYNONYMS

CTLA4;CD152

DESCRIPTION

Recombinant human CTLA-4 protein with C-terminal mouse Fc and 6×His tag

DELIVERY

In Stock

UNIPROT ID

P16410

EXPRESSION HOST

HEK293

TAG

C-Mouse Fc and 6×His Tag

MOLECULAR CHARACTERIZATION

CTLA-4(Gln36-Ser161) mFc(Pro99-Lys330) 6×His

MOLECULAR WEIGHT

The protein has a predicted molecular mass of 54 kDa after removal of the signal peptide.

PURITY

The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.

FORMULATION & RECONSTITUTION

Lyophilized from sterile PBS, pH 7.4. Normally 5 % – 8% trehalose is added as protectants before lyophilization. Please see Certificate of Analysis for specific instructions of reconstitution.

STORAGE & SHIPPING

Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (Avoid repeated freezing and thawing). Lyophilized proteins are shipped at ambient temperature.

BACKGROUND

This gene is a member of the immunoglobulin superfamily and encodes a protein which transmits an inhibitory signal to T cells. The protein contains a V domain, a transmembrane domain, and a cytoplasmic tail. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. The membrane-bound isoform functions as a homodimer interconnected by a disulfide bond, while the soluble isoform functions as a monomer. Mutations in this gene have been associated with insulin-dependent diabetes mellitus, Graves disease, Hashimoto thyroiditis, celiac disease, systemic lupus erythematosus, thyroid-associated orbitopathy, and other autoimmune diseases.

USAGE

Research use only

IMAGES

sp-PME100017 CTLA 4 Fig.1 SDS PAGE 1

Figure 1. Human CTLA-4 Protein, mFc-His Tag on SDS-PAGE under reducing condition.

elisa-PME100017 CTLA4 mFc His ELISA Fig2

Figure 2. ELISA plate pre-coated by 2 μg/ml (100 μl/well) Human B7-1, hFc tagged protein (PME100473) can bind Human CTLA4, mFc-His tagged protein (PME100017) in a linear range of 0.048-2.094 ng/ml.

elisa-PME100017 CTLA4 mFc His ELISA Fig3

Figure 3. ELISA plate pre-coated by 2 μg/ml (100 μl/well) Human B7-2, hFc tagged protein (PME100474) can bind Human CTLA4, mFc-His tagged protein (PME100017) in a linear range of 0.048-2.694 ng/ml.

elisa-PME100017 CTLA4 mFc His ELISA Fig4

Figure 4. ELISA plate pre-coated by 2 μg/ml (100 μl/well) Human CTLA-4, mFc-His tagged protein (PME100017) can bind Anti-CTLA-4 Neutralizing antibody (BME100022) in a linear range of 0.13-16.0 ng/ml.

fc-PME100017 CTLA4 mFc His FC Fig5

Figure 5. HEK293 cell line transfected with irrelevant protein (B) and human B7-2 (A) were surface stained with Human CTLA4, mFc-His tagged protein (PME100017) 1μg/ml followed by Alexa 488-conjugated anti-mouse IgG secondary antibody.

fc-PME100017 CTLA4 mFc His FLOW Fig6

Figure 6.  Flow cytometry analysis with 1ug/ml Human CTLA4 Protein, mFc-His tag (PME100017) on Expi293 cells transfected with human B7-1 (Blue histogram) or Expi293 transfected with irrelevant protein (Red histogram).

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