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Your Position: Home > Protein > Galectin-9 > LG9-H5244

Human Galectin-9 / LGALS9 Protein, His Tag

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  • Synonym
    Galectin-9,LGALS9,Ecalectin
  • Source
    Human Galectin-9, His Tag(LG9-H5244) is expressed from human 293 cells (HEK293). It contains AA Ala 2 - Thr 323 (Accession # O00182-2 ).
    Predicted N-terminus: His
  • Molecular Characterization
    Galectin-9 Structure

    This protein carries a polyhistidine tag at the N-terminus.

    The protein has a calculated MW of 36.6 kDa. The protein migrates as 45-55 kDa under reducing (R) condition (SDS-PAGE).

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 20 mM MOPS, 50 mM NaCl, 1 mM EDTA, 2 mM DTT, pH7.4 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • 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.

  • 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.
SDS-PAGE
Galectin-9 SDS-PAGE

Human Galectin-9, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-SPR
 Galectin-9 SPR

Human TIM-3 (22-200) Protein, Fc Tag (Cat. No. TM3-H5258) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human Galectin-9, His Tag (Cat. No. LG9-H5244) with an affinity constant of 57 nM as determined in a SPR assay (Biacore T200) (Routinely tested).

  • Background
    Galectin-9 (LGALS9) is also known as tumor antigen HOM-HD-21 and ecalectin. Galectins are a family of proteins defined by their binding specificity for β-galactoside sugars, such as N-acetyllactosamine (Galβ1-3GlcNAc or Galβ1-4GlcNAc), which can be bound to proteins by either N-linked or O-linked glycosylation. As for Galectin-9, it has high affinity for the Forssman pentasaccharide, and it is also the ligand for HAVCR2/TIM3. Forthermore, Galectin-9 stimulates bactericidal activity in infected macrophages by causing macrophage activation and IL1B secretion which restricts intracellular bacterial growth.
  • Clinical and Translational Updates

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Price(USD) : $305.00

Price(USD) : $2541.00

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  • Number of Drugs in Clinical Trials:1 Details
  • Latest Research Phase:Phase 2 Clinical

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