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Human LRRC32 / GARP / Garpin Protein, Fc Tag

分子别名(Synonym)

GARP,Garpin,D11S833E

表达区间及表达系统(Source)

Human LRRC32, Fc Tag (LR2-H5256) is expressed from human 293 cells (HEK293). It contains AA His 20 - Asn 627 (Accession # Q14392-1).

Predicted N-terminus: His 20

蛋白结构(Molecular Characterization)

Online(His 20 - Asn 627) Q14392-1

This protein carries a human IgG1 Fc tag at the C-terminus.

The protein has a calculated MW of 92.4 kDa. The protein migrates as 105 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(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.

存储(Storage)

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:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human LRRC32, Fc Tag (Cat. No. LR2-H5256) SDS-PAGE gel

Human LRRC32, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human LRRC32, Fc Tag (Cat. No. LR2-H5256) at 2 μg/mL (100 μL/well) can bind Cynomolgus Latent TGF-Beta 1 (C33S), His Tag (Cat. No. TG1-C5243) with a linear range of 0.039-1.25 μg/mL (Routinely tested).

Protocol

活性(Bioactivity)-BLI

Biotinylated Human BLI

Loaded Human LRRC32, Fc Tag (Cat. No. LR2-H5256) on AHC Biosensor, can bind Human TGFB1, His Tag (Cat. No. TG1-H524x) with an affinity constant of 0.288 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).

Protocol

 

背景(Background)

Leucine-rich repeat protein 32 (LRRC32), also known as GARP (glycoprotein A repetitions predominant). LRRC32 expression promotes the acquisition of a Treg phenotype including reduced cellular proliferation, reduced cytokine secretion, and the capacity to suppress the proliferation of naïve T cells. LRRC32 binds directly to the TGF-beta latency associated peptide (LAP) and tethers latent TGF-beta on the surface of activated Treg cells. The presentation of TGF-beta on Tregs contributes to their ability to suppress naïve T cell proliferation.

 

前沿进展

 
货号/价格

LR2-H5256-100ug / ¥4100

LR2-H5256-1mg (500ug X 2) / ¥25000

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