PROVETOP

Non-biotinylated Human GARP (G139N) &Latent TGF Beta 1 Complex Protein

Catalog No: TGFB1-HP004

Species
Human
Expression System
HEK293
Tag
His, Avi
Activity
Activity verified

Product overview

Recombinant Human GARP(G139N)&Latent TGF Beta 1 Complex Protein is expressed in HEK293 cells with a His tag and Avi tag at the C-terminus. It contains amino acid residues His20-Leu628 (GARP(G139N)) & Leu30-Ser390 (Latent TGF Beta 1) (accession: Q14392(GARP(G139N)) & P01137(Latent TGF beta 1)).

Product Details

Molecular Aliases
LRRC32; GARP; LAP; TGF-beta-1; LRRC32&TGF-beta 1; LRRC32&TGFB1; TGF-β-1; LRRC32&TGF-β 1; GARP&Latent TGF Beta; GARP&Latent TGF Beta 1; TGF-b-1; TGF-b1; LRRC32&TGF-b 1
Protein Length
His20-Leu628
Expression System
HEK293
Theoretical Molecular Weight
The protein has a predicted MW of 70.3 kDa (GARP(G139N))&41.4 kDa (Latent TGF Beta 1). Due to glycosylation, the protein migrates to 75-80 kDa (GARP(G139N))&15 kDa&42-48 kDa (Latent TGF Beta 1) based on Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC
Endotoxin
Less than 1 EU per μg by the LAL method.
Buffer / Formulation
Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
State
Lyophilized
Storage Conditions
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Reconstitution Advice
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.

Data Display

Bis-Tris PAGE
TGFB1-HP004 Bis-Tris-PAGE result

Human GARP (G139N) &Latent TGF Beta 1 Complex on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC
TGFB1-HP004 SEC-HPLC result

The purity of Human GARP (G139N) &Latent TGF Beta 1 Complex is greater than 95% as determined by SEC-HPLC.

ELISA
TGFB1-HP004 ELISA result

Immobilized Anti-GARP&TGF beta 1 Antibody, hFc Tag at 5μg/ml (100μl/well) on the plate. Dose response curve for GARP (G139N) &Latent TGF Beta 1 Complex, His Tag with the EC50 of 1.05μg/ml determined by ELISA (QC Test).

Background

GARP&Latent TGF Beta is a complex found on surface of many types of cells. In Tregs, GARP is involved in TCR-mediated activation of Latent TGF-β and thus promoting secretion and activation of TGF-β. Integrin αvβ8 on the surface of immune cells and other cells recognizes RGD in LAP, resulting in the release of mature TGF-β from the TGF-β&GARP complex.

References

  1. Stockis J, Dedobbeleer O, Lucas S. Role of GARP in the activation of latent TGF-β1. Mol Biosyst. 2017 Sep 26;13(10):1925-1935.
  2. Metelli A, Salem M, Wallace CH, Wu BX, Li A, Li X, Li Z. Immunoregulatory functions and the therapeutic implications of GARP-TGF-β in inflammation and cancer. J Hematol Oncol. 2018 Feb 20;11(1):24.

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