R&D Systems Human Latent TGF-beta 1 Recombinant Protein
Manufacturer: R&D Systems 299LT025
DescriptionMeasured by its ability to inhibit the IL-4-dependent proliferation of HT-2 mouse T cells. Tsang, M. et al. (1995) Cytokine 7:389. The ED 50 for this effect is 10-70 ng/mL before acid activation and 0.15-0.9 ng/mL after acid activation.
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|Supplied as a 0.2μm filtered solution in PBS and Glycerol with BSA as a carrier protein.|
|Observed Molecular Wt: 40-43kDa & 12kDa, reducing conditions 80-90kDa, non-reducing conditions, Predicted Molecular Wt.: 41.3kDa (monomer)|
|97%, by SDS-PAGE under reducing conditions and visualized by silver stain.|
|Leu30 & Ala279|
|Latent TGF-beta 1|
|Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after opening. 3 months, ≤ -20° C under sterile conditions after opening.|
|<1.0 EU per 1μg of the protein by the LAL method.|
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