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Invitrogen™ eBioscience™ Human TGF beta 1, Recombinant Protein, Carrier-Free

Human Recombinant Protein

Brand:  Invitrogen™ 34-8348-82

Code : NEW

Additional Details : Weight : 0.09500kg

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Product Code. 15538796

  • £1154.96 / 100µg


EU Stock 1
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Description

Description

Human TGF beta 1 (Transforming Growth Factor beta 1) is a member of a superfamily of homologous, disulfide-linked, homodimeric proteins that regulate the proliferation and differentiation of normal and transformed cells. Human TGF beta 1 is a 25 kDa protein with each subunit containing 112 aa residues. TGF beta 1 is secreted from the many cell types in a complex with LAP (Latency Associated Peptide) and also with LTBP (latent TGF beta binding protein). Disassociation is thought to happen in the extracellular matrix via proteases and/or integrins. Regulatory T cells are a recently identified source of TGF beta 1 thought to be a key player in their suppressive functions. TGF beta 1 binds through TGF beta receptors (of which there is a large family). The protein is highly conserved across all mammalian species.
Specifications

Specifications

BC001180
Cytokine Bioassays
Mature TGFb1 polypeptide has a predicted molecular mass of 12,794. On reducing SDS-PAGE the protein migrates as a 13kDa polypeptide and on non-reducing SDS page the cystine-linked homodimer migrates as a 25kDa protein.
SDS-PAGE
100μg
Store at less than or equal to -70°C.
Human TGF beta1 was expressed in CHO cells. Mature TGF beta1 ala279 - ser390; accession #BC001180 was purified from the conditioned media.
Transforming Growth Factor beta 1
Recombinant Protein, Carrier-Free
Human
0.5mg/mL
Sterile liquid; 0.1M glycine, pH 3.0. 0.22μm filtered.
TGF beta 1
>98%
CHO Cells
RUO
Less than 0.01ng/μg cytokine as determined by the LAL assay.
The ED50 of this protein, as measured by inhibition of IL-4 induced proliferation in HT-2 cells, is less than or equal to 40pg/mL. This corresponds to a specific activity of greater than or equal to 2.5 x 107 Units/mg.
Unlabeled
Yes
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