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Home > Proteins & Peptides
Natural and recombinant proteins purified from bacteria (such as E. coli, B. subtilis), yeast (such as S. cerevisiae), baculovirus/insect, mammalian cells (such as CHO cell lines), and cell-free systems.
    4065 Proteins & Peptides Products
  • BP003060: Biotinylated Recombinant Human ACE2-His-Avi Protein (rhACE2-His)

    Source: mammalian cells.
    Activity: Immobilized recombinant SARS-CoV-2 (2019-nCoV) Spike S RBD at 1 ug/ml (100 ul/well). Dose response curve for the biotinylated recombinant human ACE2 protein with the EC50 of 0.1 ug/ml determined by ELISA.
    Purity: > 95% by PAGE under reduced condition, and SEC-HPLC.

  • BP003058: Biotinylated Recombinant SARS Spike RBD-His-Avi

    Source: mammalian cells.
    Purity: > 95% by PAGE under reduced condition, and SEC-HPLC.

  • BP003059: Recombinant SARS Spike RBD-His-Avi

    Source: mammalian cells.
    Purity: > 95% by PAGE under reduced condition, and SEC-HPLC.

  • BP000082-GD27: Recombinant Human IFN alpha 2a (IFNA2) Protein

    Source: E. coli-derived.
    The specific activity as determined by a viral resistance assay using VSV-WISH cells was found to be 1.0 x 10^8 IU/mg.
    Purity: > 95% by RP-HPLC and reducing SDS-PAGE.
    Endotoxin: < 0.1 ng/ug (1 EU/ug).

  • BP000034-GD8: Recombinant Bovine Enterokinase, Light Chain

    Source: Yeast-derived.
    Unit Definition: 1 IU of Enterokinase (EK) will cleave 50 ug of test substrate to 95% completion in 16 hours or less at 25°C.
    Unit Assay Condition: 20 mM Tris-HCl (pH 8.0 @ 25°C), 50 mM NaCl, 2 mM CaCl2, 25 ug of an MBP fusion protein test substrate and enzyme. Incubate at 23°C.

  • BP000031-GD5: Recombinant Heparinase I from Flavobacterium heparinum

    Source: E. coli-derived.
    Specific activity >100 IU/mg. One international unit (IU) of recombinant Heparinase I is defined as the amount of enzyme that will liberate 1.0 umole unsaturated oligosaccharides from porcine mucosal heparin per minute at 30°C and pH 7.0.
    Purity >95% by SDS-PAGE.

  • BP000032-GD6: Recombinant Heparinase II from Flavobacterium heparinum

    Source: E. coli-derived.
    Specific activity >6 IU/mg. One international unit (IU) of recombinant Heparinase II is defined as the amount of enzyme that will liberate 1.0 umole unsaturated oligosaccharides from heparin or heparan sulfate per minute at 30°C and pH 7.3.
    Purity >95% by SDS-PAGE.

  • BP000033-GD7: Recombinant Heparinase III from Flavobacterium heparinum

    Source: E. coli-derived.
    Specific activity >50 IU/mg. One international unit (IU) of recombinant Heparinase III is defined as the amount of enzyme that will liberate 1.0 umole unsaturated oligosaccharides from heparan sulfate per minute at 30°C and pH 7.3.
    Purity >95% by SDS-PAGE.

  • BP000094-CYT-137: Recombinant Human 4-1BB Receptor, His Tag

    Source: E. coli-derived.
    Purity: > 90% as determined by SDS-PAGE.

  • BP000094-CYT-463: Recombinant Human 4-1BB Receptor

    Source: E. coli-derived.
    The activity was determined by the inhibition of 4-1BB ligand mediated stimulation of IL-8 production by human PBMC. Results: 90% inhibition using 1 for both 4-1BB ligand and 4-1BB receptor.
    Purity > 98%, by SDS-PAGE and RP-HPLC.

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