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Product Details
Synonyms
IL13, ALRH, BHR1, MGC116786, MGC116788, MGC116789, P600, Interleukin-13
Source
Human IL-13 Protein, His Tag, premium grade (IL3-H52H3) is expressed from human 293 cells (HEK293). It contains AA Gly 21 - Asn 132 (Accession # AAK53823.1).
Predicted N-terminus: Gly 21
It is produced under our rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests. Product performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage. When ready to transition into later clinical phases, we also offer a custom GMP protein service that tailors to your needs. We will work with you to customize and develop a GMP-grade product in accordance with your requests that also meets the requirements for raw and ancillary materials use in cell manufacturing of cell-based therapies.
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 14.2 kDa. The protein migrates as 16 kDa±3 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.1 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.
>90% as determined by SEC-HPLC.
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.
Shipping and Storage
This product is shipped at ambient temperature.
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-13 Protein, His Tag, premium grade 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-HPLC
The purity of Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) was greater than 90% as determined by SEC-HPLC.
Bioactivity-CELL BASE
Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) stimulates Human IL-4 R alpha/IL-13 R alpha 1 (Luc) HEK293 Reporter Cell. The specific activity of Human IL-13 Protein, His Tag, premium grade is > 2.00 x 10^5 IU/mg, which is calibrated against human IL-13 WHO International Standard (NIBSC code: 94/622) (QC tested).
Protocol
Bioactivity-ELISA
Immobilized Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) at 5 μg/mL (100 μL/well) can bind Human IL-13 R alpha 2 Protein, Fc Tag (Cat. No. IL2-H5256) with a linear range of 0.5-8 ng/mL (QC tested).
Protocol
Bioactivity-SPR
Biotinylated Human IL-13 R alpha 1 Protein, His,Avitag (Cat. No. IL1-H82E8) immobilized on SA Chip can bind Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) with an affinity constant of 13.8 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Mouse IL-13RA1, Fc Tag (Cat. No. IL1-M5258) on Protein A Biosensor, can bind Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) with an affinity constant of 17.2 nM as determined in BLI assay (ForteBio Octet R8) (Routinely tested).
Protocol
Loaded Monoclonal Anti-Human IL-13 Antibody, Human IgG4 on Protein A Biosensor, can bind Human IL-13 Protein, His Tag, premium grade (Cat. No. IL3-H52H3) with an affinity constant of 1.96 nM as determined in BLI assay (ForteBio Octet R8) (Routinely tested).
Protocol
User Reviews Publish Comment
FAQ
- product
Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?
In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions.
Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage.
To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance.
To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt.
Supporting Document
Background Introduction
Frontier Progress
Drug Development Progress- English Name：
Interleukin-13
- Category：
- Listed Drugs Count：
4 Details
- Clinical Drugs Count：
27 Details
- Highest R&D Stage：
Approved
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