Name: Human B7-H3 (4Ig) /B7-H3b Protein (BH7-HM43B)
Brand: KactusBio
SKU: BH7-HM43B-100UG
Price: 270.0 USD
Availability: InStock

Human B7-H3 (4Ig) /B7-H3b Protein (BH7-HM43B)

Express System: HEK293
Product Tag: C-His-Avi
Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Activity: Immobilized Human B7-H3 (4Ig), His Tag at 0.5ug/ml (100ul/Well) on the plate. Dose response curve for Anti-B7-H3 Antibody, hFc Tag with the EC50 of 4.9ng/ml determined by ELISA. See testing image for detail.
Amino Acid Range: Gly27-Thr461

Catalog #BH7-HM43B

Size

100UG

500UG

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Product Description	Recombinant Human B7-H3 (4Ig)/B7-H3b Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Gly27-Thr461.
Product Background	B7-H3, a member of the B7 family of immunomodulatory molecules, is overexpressed in a wide range of solid cancers.B7-H3 binds to activated T cells via an as yet unidentified receptor. In assays using sub-optimal amount so anti-CD3 stimulation, 2Ig‑B7‑H3 enhances T cell proliferation, T cell interferon-gamma (IFN-gamma) production, and cytotoxic T cells induction.
Product Category	Recombinant Protein

Target	B7-H3 (4Ig)/B7-H3b
Synonyms	B7-H3; CD276; PSEC0249;-4Ig-B7-H3; UNQ309; PRO352; B7 homolog 3; CD276
Accession	Q5ZPR3-1
Species	Human
Biotinylated	no
Amino Acid Range	Gly27-Thr461
Molecular Weight	The protein has a predicted MW of 49.5 kDa. Due to glycosylation, the protein migrates to 70-80 kDa based on Bis-Tris PAGE result.
Activity	Immobilized Human B7-H3 (4Ig), His Tag at 0.5ug/ml (100ul/Well) on the plate. Dose response curve for Anti-B7-H3 Antibody, hFc Tag with the EC50 of 4.9ng/ml determined by ELISA. See testing image for detail.
Product Tag	C-His-Avi
Express System	HEK293
Purity	> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin	Less than 1EU per ug by the LAL method.

Form	Lyophilized
Shipping	Shipped at ambient temperature.
Formulation	Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution	Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage	Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

	Immobilized Human B7-H3 (4Ig), His Tag at 0.5ug/ml (100ul/Well) on the plate. Dose response curve for Anti-B7-H3 Antibody, hFc Tag with the EC50 of 4.9ng/ml determined by ELISA.
	Human B7-H3 (4Ig) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
	The purity of Human B7-H3 (4Ig) is greater than 95% as determined by SEC-HPLC.

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