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Proteins & Protein Expression

Cosmo Bio USA offers a comprehensive and expertly curated Proteins & Protein Expression portfolio, supporting a wide range of research in molecular biology, proteomics, immunology, regenerative medicine, and synthetic biology. Cosmo Bio Co., Ltd. supplies a broad selection of recombinant proteins—cytokines, growth factors, enzymes, and fusion-tagged proteins—for functional assays, signaling studies, and protein–protein interaction analysis. CUSABIO adds a vast catalog of recombinant proteins validated for high-impact targets in cancer, immunology, neuroscience, and infectious disease, enabling reliable performance in both biochemical and cell-based assays. CUSAg enhances assay development with specialized recombinant proteins and small molecule–protein conjugates, ideal for sensitive detection in food safety and contaminant screening applications.

Cellular Engineering Technologies (CET) advances the offering with yeast-derived, xeno-free human growth factors such as M-CSF and RANKL—tailored for iPSC maintenance and osteoclast differentiation under defined, animal-free conditions. MBL International delivers essential immunology proteins, including MHC monomers and tetramers for antigen-specific T cell detection and vaccine research. Atlas Antibodies supports antibody validation and assay standardization with its recombinant PrEST antigens. Home Algae Biotechnology introduces algae-derived fluorescent proteins for sustainable, innovative bioimaging and biosensor applications. GSK completes the portfolio with the PUREfrex® system, a high-fidelity, cell-free protein synthesis platform ideal for precise protein expression, synthetic biology, and minimal cell system construction. Together, these rigorously validated tools position Cosmo Bio USA as a trusted provider of efficient, scalable, and application-specific protein research solutions across the life sciences.

 

  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Syntenin-1(SDCBP) (CSB-EP020893HUe3)

    Catalog No.(s): CSB-EP020893HUe3, CSB-EP020893HUe3-20, CSB-EP020893HUe3-100, CSB-EP020893HUe3-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Syntenin-1(SDCBP) (CSB-EP020893HUe3) Vendor Page Recombinant Human...

    $269.00 - $2,165.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Mouse Parvalbumin alpha(Pvalb) (CSB-EP019092MO)

    Catalog No.(s): CSB-EP019092MO, CSB-EP019092MO-20, CSB-EP019092MO-100, CSB-EP019092MO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Mouse Parvalbumin alpha(Pvalb) (CSB-EP019092MO) Vendor Page Recombinant Mouse...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Rat Pleiotrophin(Ptn) (CSB-EP019009RA)

    Catalog No.(s): CSB-EP019009RA, CSB-EP019009RA-20, CSB-EP019009RA-100, CSB-EP019009RA-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Rat Pleiotrophin(Ptn) (CSB-EP019009RA) Vendor Page Recombinant Rat...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Salmo salar Trypsin-1 (CSB-EP018811SWI)

    Catalog No.(s): CSB-EP018811SWI, CSB-EP018811SWI-20, CSB-EP018811SWI-100, CSB-EP018811SWI-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Salmo salar Trypsin-1 (CSB-EP018811SWI) Vendor Page Recombinant Salmo salar...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Bovine Prolactin(PRL) (CSB-EP018724BO)

    Catalog No.(s): CSB-EP018724BO, CSB-EP018724BO-20, CSB-EP018724BO-100, CSB-EP018724BO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Bovine Prolactin(PRL) (CSB-EP018724BO) Vendor Page Recombinant Bovine...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Prolyl endopeptidase(PREP) (CSB-EP018664HU)

    Catalog No.(s): CSB-EP018664HU, CSB-EP018664HU-20, CSB-EP018664HU-100, CSB-EP018664HU-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Prolyl endopeptidase(PREP) (CSB-EP018664HU) Vendor Page Recombinant Human...

    $235.00 - $1,903.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Crotalus atrox Phospholipase A2,partial (CSB-EP018091DYC)

    Catalog No.(s): CSB-EP018091DYC, CSB-EP018091DYC-20, CSB-EP018091DYC-100, CSB-EP018091DYC-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Crotalus atrox Phospholipase A2,partial (CSB-EP018091DYC) Vendor...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Pig Platelet factor 4(PF4) (CSB-EP017809PI)

    Catalog No.(s): CSB-EP017809PI, CSB-EP017809PI-20, CSB-EP017809PI-100, CSB-EP017809PI-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Pig Platelet factor 4(PF4) (CSB-EP017809PI) Vendor Page Recombinant Pig Platelet...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Mouse Otoferlin(Otof),partial (CSB-EP017272MO)

    Catalog No.(s): CSB-EP017272MO, CSB-EP017272MO-20, CSB-EP017272MO-100, CSB-EP017272MO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Mouse Otoferlin(Otof),partial (CSB-EP017272MO) Vendor Page Recombinant Mouse...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Otoferlin(OTOF),partial (CSB-EP017272HU)

    Catalog No.(s): CSB-EP017272HU, CSB-EP017272HU-20, CSB-EP017272HU-100, CSB-EP017272HU-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Otoferlin(OTOF),partial (CSB-EP017272HU) Vendor Page Recombinant Human...

    $321.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Nucleophosmin(NPM1) (CSB-EP015996HU)

    Catalog No.(s): CSB-EP015996HU, CSB-EP015996HU-20, CSB-EP015996HU-100, CSB-EP015996HU-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Nucleophosmin(NPM1) (CSB-EP015996HU) Vendor Page Recombinant Human...

    $269.00 - $2,165.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Mouse Nidogen-2(Nid2),partial (CSB-EP015803MO)

    Catalog No.(s): CSB-EP015803MO, CSB-EP015803MO-20, CSB-EP015803MO-100, CSB-EP015803MO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Mouse Nidogen-2(Nid2),partial (CSB-EP015803MO) Vendor Page Recombinant Mouse...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Neutrophil collagenase(MMP8) (CSB-EP014678HU)

    Catalog No.(s): CSB-EP014678HU, CSB-EP014678HU-20, CSB-EP014678HU-100, CSB-EP014678HU-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Neutrophil collagenase(MMP8) (CSB-EP014678HU) Vendor Page Recombinant...

    $321.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Rat Stromelysin-1(Mmp3) (CSB-EP014676RA)

    Catalog No.(s): CSB-EP014676RA, CSB-EP014676RA-20, CSB-EP014676RA-100, CSB-EP014676RA-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Rat Stromelysin-1(Mmp3) (CSB-EP014676RA) Vendor Page Recombinant Rat...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Kallikrein-7(KLK7),partial (CSB-EP012458HU1)

    Catalog No.(s): CSB-EP012458HU1, CSB-EP012458HU1-20, CSB-EP012458HU1-100, CSB-EP012458HU1-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Kallikrein-7(KLK7),partial (CSB-EP012458HU1) Vendor Page Recombinant Human...

    $235.00 - $1,903.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Anosmin-1(KAL1),partial (CSB-EP011978HU1)

    Catalog No.(s): CSB-EP011978HU1, CSB-EP011978HU1-20, CSB-EP011978HU1-100, CSB-EP011978HU1-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Anosmin-1(KAL1),partial (CSB-EP011978HU1) Vendor Page Recombinant Human...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Mouse Transcription factor AP-1(Jun) (CSB-EP011972MO)

    Catalog No.(s): CSB-EP011972MO, CSB-EP011972MO-20, CSB-EP011972MO-100, CSB-EP011972MO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Mouse Transcription factor AP-1(Jun) (CSB-EP011972MO) Vendor Page Recombinant...

    $407.00 - $2,589.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Human Integrin alpha-2(ITGA2),partial (CSB-EP011864HUb0)

    Catalog No.(s): CSB-EP011864HUb0, CSB-EP011864HUb0-20, CSB-EP011864HUb0-100, CSB-EP011864HUb0-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Human Integrin alpha-2(ITGA2),partial (CSB-EP011864HUb0) Vendor Page Recombinant...

    $235.00 - $1,903.00
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

    CUSABIO

    Recombinant Bovine Interferon gamma(IFNG) (CSB-EP011050BO)

    Catalog No.(s): CSB-EP011050BO, CSB-EP011050BO-20, CSB-EP011050BO-100, CSB-EP011050BO-1

    Product DescriptionProduct Specifications Product Specifications Source E.coli Documents & Links Documents & Links for Recombinant Bovine Interferon gamma(IFNG) (CSB-EP011050BO) Vendor Page Recombinant Bovine...

    $407.00 - $2,589.00
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