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Product Details
Synonyms
CEDLAP, TGF-beta 1, TGFB1, DPD1, TGF-beta-1, TGFB
Source
Biotinylated Human TGF-Beta 1, Avitag (TG1-H8217) is expressed from human 293 cells (HEK293). It contains AA Ala 279 - Ser 390 (Accession # P01137-1).
Predicted N-terminus: Ala 279
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries an Avi tag (Avitag™) at the C-terminus.
The protein has a calculated MW of 14.5 kDa. The protein migrates as 14-15 kDa under reducing (R) condition, and 24-25 kDa under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Protein Ratio
Passed as determined by the SABA assay / HABA assay / binding ELISA.
Purity
>95% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in 50 mM HAC, pH2.9 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 24 months in lyophilized state;
- -70°C for 12 months under sterile conditions after reconstitution.
ACRO Quality Management System
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Data Display
SDS-PAGE
Biotinylated Human TGF-Beta 1, Avitag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
Bioactivity-ELISA
Immobilized Human TGFBR2, Fc Tag (Cat. No. TG2-H5252) at 5 μg/mL (100 μL/well) can bind Biotinylated Human TGF-Beta 1, Avitag (Cat. No. TG1-H8217) with a linear range of 0.195-3 ng/mL (QC tested).
Protocol
Immobilized Biotinylated Human TGF-Beta 1, Avitag (Cat. No. TG1-H8217) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Human TGFBR2, Fc Tag (Cat. No. TG2-H5252) with a linear range of 0.3-10 ng/mL (Routinely tested).
Protocol
Bioactivity-SPR
Biotinylated Human CD109, His,Avitag (Cat. No. CD9-H82E4) immobilized on CM5 Chip can bind Biotinylated Human TGF-Beta 1, Avitag (Cat. No. TG1-H8217) with an affinity constant of 0.248 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Biotinylated Human TGF-Beta 1, Avitag (Cat. No. TG1-H8217) immobilized on SA Chip can bind Human TGF-beta RI, Llama IgG2b Fc Tag (Cat. No. TG1-H5259) with an affinity constant of 83.7 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Biotinylated Human TGF-Beta 1, Avitag (Cat. No. TG1-H8217) on SA Biosensor, can bind Human TGF-beta RIII / TGFBR3 Protein, His Tag (Cat. No. TG3-H52H3) with an affinity constant of 1.80 nM as determined in BLI assay (ForteBio Octet Red96e) (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：
Transforming growth factor beta 1
- Category：
- Listed Drugs Count：
1 Details
- Clinical Drugs Count：
22 Details
- Highest R&D Stage：
Approved
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