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Product Details
Synonyms
IL2, TCGF, lymphokine, Interleukin 2
Source
Human IL-2 Protein, Tag Free (IL2-H5215) is expressed from human 293 cells (HEK293). It contains AA Ala 21 - Thr 153 (Accession # P60568-1).
Predicted N-terminus: Ala 21
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries no "tag".
The protein has a calculated MW of 15.4 kDa. The protein migrates as 14 kDa and 15-16 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Host Cell Protein
<0.5 ng/µg of protein tested by ELISA.
Host Cell DNA
<0.02 ng/μg of protein tested by qPCR.
Sterility
Negative
Mycoplasma
Negative
Purity
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
ACRO Quality Management System
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Data Display
SDS-PAGE
Human IL-2 Protein, Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human IL-2 Protein, Tag Free (Cat. No. IL2-H5215) is more than 95% and the molecular weight of this protein is around 14-22 kDa verified by SEC-MALS.
Report
Bioactivity-CELL BASE
Human IL-2 Protein, Tag Free (Cat. No. IL2-H5215) stimulates proliferation of CTLL-2 cells. The specific activity of Human IL-2 Protein, Tag Free is > 0.60 x 10^7 IU/mg, which is calibrated against human IL-2 WHO International Standard (NIBSC code: 86/500) (QC tested).
Protocol
User Reviews Publish Comment
Background Introduction
Frontier Progress
Drug Development Progress- English Name：
Interleukin-2
- Category：
- Listed Drugs Count：
2 Details
- Clinical Drugs Count：
46 Details
- Highest R&D Stage：
Approved
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