Name: Human IL-5 Protein, Ultra Low Endotoxin (IL5-HM401-UL)
Brand: KactusBio
SKU: IL5-HM401-UL-100UG
Price: 399.0 USD
Availability: InStock

Human IL-5 Protein, Ultra Low Endotoxin (IL5-HM401-UL)

Human IL-5, His-Avi Tag immobilized on CM5 Chip can bind Human IL-5 R alpha, His-Avi Tag with an affinity constant of 5.70 nM as determined in SPR assay (Biacore T200).

Immobilized Human IL-5, His Tag at 1ug/ml (100ul/Well) on the plate. Dose response curve for Human IL-5 R alpha, hFc Tag with the EC50 of 11.7ng/ml determined by ELISA (QC Test).

Human IL-5 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

The purity of Human IL-5 is greater than 95% as determined by SEC-HPLC.

Express System: HEK293
Product Tag: N-His-Avi
Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Activity: Immobilized Human IL-5, His Tag at 1ug/ml (100ul/Well) on the plate. Dose response curve for Human IL-5 R alpha, hFc Tag with the EC50 of 11.7ng/ml determined by ELISA (QC Test). The affinity constant of 5.70 nM as determined in SPR assay (Biacore T200). See testing image for detail.
Amino Acid Range: Ile20-Ser134

Catalog #IL5-HM401-UL

Size

100UG

500UG

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Product Description	Recombinant Human IL-5 Protein is expressed from HEK293 with His tag and Avi tag at the N-Terminus.It contains Ile20-Ser134.
Product Background	IL-5 is an important cytokine for priming and survival of mature eosinophils and for proliferation and maturation of their progenitors. IL-5(Rα) targeting will be increasingly used in diseases where eosinophils are the key immune effector cells such as eosinophilic asthma (EA), hypereosinophilic syndrome (HES), eosinophilic esophagitis (EE), and eosinophilic granulomatosis with polyangiitis (EGPA).
Product Category	Recombinant Protein / Antibody discovery / Antibody discovery \| Others

Protein	IL-5
Synonyms	Interleukin-5; IL-5; T-cell replacing factor; TRF; EDF
Accession	P05113
Species	Human
Biotinylated	no
Amino Acid Range	Ile20-Ser134
Molecular Weight	The protein has a predicted MW of 16.1 kDa. Due to glycosylation, the protein migrates to 18-25 kDa based on Bis-Tris PAGE result.
Activity	Immobilized Human IL-5, His Tag at 1ug/ml (100ul/Well) on the plate. Dose response curve for Human IL-5 R alpha, hFc Tag with the EC50 of 11.7ng/ml determined by ELISA (QC Test). The affinity constant of 5.70 nM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag	N-His-Avi
Expression System	HEK293
Purity	> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin	Less than 0.01 EU 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	Dissolve the lyophilized protein in distilled water. It is recommended to resuspend at 0.5 mg/mL if the lyophilized powder is 100 ug or less, at 1mg/ml for 500ug or 1mg lyophilized powder. Do not mix by vortex or vigorous shaking.
Stability And Storage	-20 to -80°C for 12 months as supplied from date of receipt.；-80°C for 3 months after reconstitution.；Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

	Human IL-5, His-Avi Tag immobilized on CM5 Chip can bind Human IL-5 R alpha, His-Avi Tag with an affinity constant of 5.70 nM as determined in SPR assay (Biacore T200).
	Immobilized Human IL-5, His Tag at 1ug/ml (100ul/Well) on the plate. Dose response curve for Human IL-5 R alpha, hFc Tag with the EC50 of 11.7ng/ml determined by ELISA (QC Test).
	Human IL-5 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
	The purity of Human IL-5 is greater than 95% as determined by SEC-HPLC.