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R&D Systems™ Recombinant Human TGF-beta 1, ACFP Protein

Product Code. 18127740
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Quantity:
10 μg
25 μg
Unit Size:
10µg
25µg
This item is not returnable. View return policy

Product Code. 18127740

Brand: R&D Systems™ ACFP240

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This item is not returnable. View return policy

Description

Measured by its ability to inhibit the IL-4-dependent proliferation of HT-2 mouse T cells

  • ED50 for this effect is 0.04 to 0.2 ng/mL.
  • Specific activity of recombinant human TGF-beta 1 is approximately 2.5 x 104 U/μg, which is calibrated against human TGF-beta 1 Standard (NIBSC code: 89/514).
TRUSTED_SUSTAINABILITY

Specifications

Accession Number P01137
For Use With (Application) Bioactivity
Gene ID (Entrez) 7040
Molecular Weight (g/mol) 11 kDa, reducing conditions
Quantity 25 μg
Source Spodoptera frugiperda, Sf 9 (baculovirus)-derived human TGF-beta 1 protein Ala279-Ser390 Produced in an animal component free process (ACFP)
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
Endotoxin Concentration <0.10 EU / 1 ug of the protein by the LAL method
Conjugate Unconjugated
Species Human
Reconstitution Reconstitute at 100 ug/mL in sterile 4 mM HCl
Buffer Lyophilized from a 0.2 um filtered solution in Acetonitrile and TFA
Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining
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