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Leadgene Leadgene
Human Galectin-9, His Tag, E. coli
Catalog Number

LDG146PHE

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  • Specifications
    • Species of Origin

      Human

      Expression system

      Escherichia coli

    • Affinity Tag

      His Tag (N-term)

      Buffer

      Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.

    • Purity

      >98% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated MW of 36.7 kDa.
      The protein migrates as 37 kDa under reducing condition (SDS-PAGE analysis).

    • Activity

      Measure by its ability to chemoattract human THP1 cells using a concentration range of 0.5-2.5 µg/mL.

      Endotoxin level

      <0.1 EU per 1 μg of the protein by the LAL method.

    • Form

      Lyophilized

  • Background
    • Background

      Galectin-9 (Gal-9) is a lectin family member and is one of the tandem repeat-type galectins containing two carbohydrate recognition domains (CRD) connected by a linker region in a single peptide chain. The CRD is responsible for β-galactoside binding, and several binding partners for galectin-9 have been identified, including CD44, FGL, Gcgr, GLUT- 2, IgE, IgM, PDI, and Tim-3. Galectin-9 is constitutively presented in the small intestine, liver, uterine epithelial cells, skin epidermis, and esophageal epithelium. Galectin-9 contributing to cell growth, differentiation, adhesion, communication, and death. Accumulated evidence indicates that Gal-9 blockade promotes T cell immunity against tumors, suggesting that galectin-9 is a promising target for immunotherapy.

      Synonyms

      Gal-9, Ecalectin, Tumor antigen HOM-HD-21

    • Uniprot ID

      #O00182

      Sequence Note

      Ala2-Thr355

  • Instruction
    • Reconstitution

      It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

      Shipping

      The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.

    • Stability & Storage

      This product is stable after storage at:

      • -20°C for 12 months in lyophilized state from date of receipt.
      • -20°C or -80°C for 1 month under sterile conditions after reconstitution.

      Avoid repeated freeze/thaw cycles.

  • Image
    SDS-PAGE analysis of recombinant human Galectin-9.

    SDS-PAGE analysis of recombinant human Galectin-9.

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  • Datasheet & Documents
    MSDS
    Manual
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