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| Catalog No. | Product Name | Size | List Price (US$) | Quantity |
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Conditions of optimal recombinant Human IL-4 Protein performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
Email: message@sydlabs.com
Or leave a message with a formal purchase
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BP005209: Human IL-4 Protein with No Tag
Source: The recombinantHuman IL-4 Protein, (amino acids His25-Ser153) fused with No Tag, was produced in HEK 293 cells.
Molecular Weight:The recombinantHuman IL-4 Protein has a predicted MW of 14.96 kDa. Due to glycosylation, the protein migrates to 23-25 kDa based on Tris-Bis PAGE result.
Activity: Immobilized recombinant Human IL-4, No tag at 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human IL-4 R alpha, hFc tag with the EC50 of 9.8 ng/ml determined by ELISA.
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.
Formulation: Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution: It is recommended to reconstitute the lyophilized recombinant Human IL-4 Protein in sterile H2O to a protein concentration not less than 100 ug/ml. Centrifuge the tube before opening.
BP005694: Human IL-4 Protein with the C-His-Avi Tag
Source: The recombinant Human IL-4 Protein, (amino acids His25-Ser153) fused with a His-Avi tag at the C-terminus, was produced in HEK 293 cells.
Molecular Weight:The recombinant Human IL-4 protein with the His-Avi tag at the C-terminus has a predicted MW of 17.8 kDa. Due to glycosylation, the protein migrates to 23-25 kDa based on Tris-Bis PAGE result.
Activity: Immobilized recombinant Human IL-4 protein with the C-His-Avi tag at 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human IL-4 R alpha protein with the C-hFc tag with the EC50 of 4.2 ng/ml determined by ELISA (QC Test).
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.
Formulation: Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution: It is recommended to reconstitute the lyophilized recombinant Human IL-4 Protein in sterile H2O to a protein concentration not less than 100 ug/ml. Centrifuge the tube before opening.
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