Illustration of an antibody structure

Antibodies

Cosmo Bio USA offers a robust portfolio of high-quality antibodies supporting diverse research areas including immunology, oncology, neuroscience, bone metabolism, reproductive biology, stem cell biology, food science, and molecular biology. At the core is the Cosmo Antibody Collection (CAC), a curated set of ~350 unique antibodies developed with leading Japanese universities, targeting AGEs, tumor antigens, autophagy markers like LC3, and more. Cosmo Bio USA also partners with top global suppliers to expand its offerings. MBL International delivers renowned immunology antibodies such as its well-cited anti-IL-18 monoclonals and polyclonals. Atlas Antibodies contributes over 22,000 rigorously validated antibodies from the Human Protein Atlas, optimized for immunohistochemistry, Western blotting, proteomics, and ChIP-Exo-Seq workflows.

Complementing this lineup, CUSABIO and CUSAg offer over 50,000 validated antibodies covering cancer, immunology, infectious disease, and neuroscience. Kyowa Antibody Laboratory (KAL) adds highly specific monoclonal and polyclonal antibodies for cell biology and disease research, validated for key applications like flow cytometry, IHC, ICC, and western blotting. 4BioDx enhances Cosmo Bio USA’s reproductive biology capabilities with specialized antibodies for sperm quality assessment and fertility research across species. With carefully curated and thoroughly validated products, Cosmo Bio USA delivers powerful, application-ready antibody solutions that enable researchers to achieve reproducible, cutting-edge results across every major field of life science research.

 

  • Immunohistochemistry analysis in human lymph node and liver tissues using AMAb91963 antibody. Corresponding PAX5 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-PAX5 mAb (Clone CL14548, ATL-AMAb91963 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91963

    Product DescriptionMonoclonal Antibody against Human PAX5, Clone ID: CL14548, Gene description: Paired box 5, Alternative Gene Names: BSAP, PAX-5, Validated applications: IHC, WB, Uniprot ID: Q02548, Storage: Store at +4°C for short term storage. Long...

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  • Immunohistochemistry analysis in human lung and skeletal muscle tissues using AMAb91962 antibody. Corresponding NKX2-1 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-NKX2-1 mAb (Clone CL14531, ATL-AMAb91962 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91962

    Product DescriptionMonoclonal Antibody against Human NKX2-1, Clone ID: CL14531, Gene description: Nk2 homeobox 1, Alternative Gene Names: BCH, NKX2A, TITF1, TTF-1, TTF1, Validated applications: IHC, WB, Uniprot ID: P43699, Storage: Store at +4°C for...

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  • Immunohistochemistry analysis in human thyroid gland and skeletal muscle tissues using AMAb91960 antibody. Corresponding NKX2-1 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-NKX2-1 mAb (Clone CL14528, ATL-AMAb91960 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91960

    Product DescriptionMonoclonal Antibody against Human NKX2-1, Clone ID: CL14528, Gene description: Nk2 homeobox 1, Alternative Gene Names: BCH, NKX2A, TITF1, TTF-1, TTF1, Validated applications: IHC, WB, Uniprot ID: P43699, Storage: Store at +4°C for...

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  • Immunohistochemistry analysis in human thyroid gland and skeletal muscle tissues using AMAb91958 antibody. Corresponding NKX2-1 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-NKX2-1 mAb (Clone CL14523, ATL-AMAb91958 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91958

    Product DescriptionMonoclonal Antibody against Human NKX2-1, Clone ID: CL14523, Gene description: Nk2 homeobox 1, Alternative Gene Names: BCH, NKX2A, TITF1, TTF-1, TTF1, Validated applications: IHC, WB, Uniprot ID: P43699, Storage: Store at +4°C for...

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  • Immunohistochemistry analysis in human lymph node and cerebral cortex tissues using AMAb91955 antibody. Corresponding KLF2 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-KLF2 mAb (Clone CL14502, ATL-AMAb91955 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91955

    Product DescriptionMonoclonal Antibody against Human KLF2, Clone ID: CL14502, Gene description: KLF transcription factor 2, Alternative Gene Names: LKLF, Validated applications: ICC, IHC, WB, Uniprot ID: Q9Y5W3, Storage: Store at +4°C for short term...

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  • Western blot analysis in human cell line HEL.

    Atlas Antibodies

    Anti-CMPK2 mAb (Clone CL14486, ATL-AMAb91953)

    Catalog No.(s): ATL-AMAb91953

    Product DescriptionMonoclonal Antibody against Human CMPK2, Clone ID: CL14486, Gene description: Cytidine/uridine monophosphate kinase 2, Alternative Gene Names: NDK, TYKi, UMP-CMPK2, Validated applications: WB, Uniprot ID: Q5EBM0, Storage: Store at +4°C...

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  • Immunohistochemical staining of human salivary gland shows strong cytoplasmic positivity in glandular cells.

    Atlas Antibodies

    Anti-CMPK2 mAb (Clone CL14479, ATL-AMAb91951)

    Catalog No.(s): ATL-AMAb91951

    Product DescriptionMonoclonal Antibody against Human CMPK2, Clone ID: CL14479, Gene description: Cytidine/uridine monophosphate kinase 2, Alternative Gene Names: NDK, TYKi, UMP-CMPK2, Validated applications: IHC, WB, Uniprot ID: Q5EBM0, Storage: Store at...

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  • Immunohistochemistry analysis in human cervix, uterine and liver tissues using AMAb91950 antibody. Corresponding PRRX1 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-PRRX1 mAb (Clone CL14471, ATL-AMAb91950 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91950

    Product DescriptionMonoclonal Antibody against Human PRRX1, Clone ID: CL14471, Gene description: Paired related homeobox 1, Alternative Gene Names: PHOX1, PMX1, Validated applications: ICC, IHC, Uniprot ID: P54821, Storage: Store at +4°C for short term...

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  • Western blot analysis in human cell line U-138MG.

    Atlas Antibodies

    Anti-PRRX1 mAb (Clone CL14469, ATL-AMAb91949)

    Catalog No.(s): ATL-AMAb91949

    Product DescriptionMonoclonal Antibody against Human PRRX1, Clone ID: CL14469, Gene description: Paired related homeobox 1, Alternative Gene Names: PHOX1, PMX1, Validated applications: WB, Uniprot ID: P54821, Storage: Store at +4°C for short term storage...

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  • Western blot analysis in human cell line HEL.

    Atlas Antibodies

    Anti-PMS1 mAb (Clone CL14436, ATL-AMAb91947)

    Catalog No.(s): ATL-AMAb91947

    Product DescriptionMonoclonal Antibody against Human PMS1, Clone ID: CL14436, Gene description: Pms1 homolog 1, mismatch repair system component, Alternative Gene Names: MLH2, PMSL1, Validated applications: WB, Uniprot ID: P54277, Storage: Store at +4°C...

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  • Immunohistochemistry analysis in human tonsil and liver tissues using AMAb91946 antibody. Corresponding TFEB RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-TFEB mAb (Clone CL14112, ATL-AMAb91946 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91946

    Product DescriptionMonoclonal Antibody against Human TFEB, Clone ID: CL14112, Gene description: Transcription factor EB, Alternative Gene Names: bHLHe35, TCFEB, Validated applications: IHC, Uniprot ID: P19484, Storage: Store at +4°C for short term...

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  • Immunohistochemistry analysis in human tonsil and skeletal muscle tissues using AMAb91942 antibody. Corresponding TMEM123 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-TMEM123 mAb (Clone CL14381, ATL-AMAb91942 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91942

    Product DescriptionMonoclonal Antibody against Human TMEM123, Clone ID: CL14381, Gene description: Transmembrane protein 123, Alternative Gene Names: KCT3, PORIMIN, Validated applications: IHC, Uniprot ID: Q8N131, Storage: Store at +4°C for short term...

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  • Immunohistochemistry analysis in human placenta and skeletal muscle tissues using AMAb91940 antibody. Corresponding RSPO2 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-RSPO2 mAb (Clone CL14321, ATL-AMAb91940 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91940

    Product DescriptionMonoclonal Antibody against Human RSPO2, Clone ID: CL14321, Gene description: R-spondin 2, Alternative Gene Names: MGC35555, Validated applications: IHC, Uniprot ID: Q6UXX9, Storage: Store at +4°C for short term storage. Long time...

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  • Immunohistochemistry analysis in human testis and skeletal muscle tissues using AMAb91935 antibody. Corresponding CDK19 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-CDK19 mAb (Clone CL14116, ATL-AMAb91935 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91935

    Product DescriptionMonoclonal Antibody against Human CDK19, Clone ID: CL14116, Gene description: Cyclin dependent kinase 19, Alternative Gene Names: bA346C16.3, CDC2L6, CDK11, KIAA1028, Validated applications: ICC, IHC, WB, Uniprot ID: Q9BWU1, Storage:...

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  • Immunofluorescence staining in SH-SY5Y cell line with Anti-CDK19 monoclonal antibody, showing specific staining of nuclear bodies and nucleoplasm in green. Microtubule- and nuclear probes are visualized in red and blue respectively (where available).

    Atlas Antibodies

    Anti-CDK19 mAb (Clone CL14114, ATL-AMAb91934)

    Catalog No.(s): ATL-AMAb91934

    Product DescriptionMonoclonal Antibody against Human CDK19, Clone ID: CL14114, Gene description: Cyclin dependent kinase 19, Alternative Gene Names: bA346C16.3, CDC2L6, CDK11, KIAA1028, Validated applications: ICC, WB, Uniprot ID: Q9BWU1, Storage: Store...

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  • Immunohistochemistry analysis in human small intestine and liver tissues using AMAb91933 antibody. Corresponding LCT RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-LCT mAb (Clone CL14164, ATL-AMAb91933 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91933

    Product DescriptionMonoclonal Antibody against Human LCT, Clone ID: CL14164, Gene description: Lactase, Validated applications: IHC, Uniprot ID: P09848, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

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  • Immunohistochemistry analysis in human small intestine and liver tissues using AMAb91931 antibody. Corresponding LCT RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-LCT mAb (Clone CL14133, ATL-AMAb91931 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91931

    Product DescriptionMonoclonal Antibody against Human LCT, Clone ID: CL14133, Gene description: Lactase, Validated applications: IHC, Uniprot ID: P09848, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

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  • Immunohistochemistry analysis in human duodenum and liver tissues using AMAb91930 antibody. Corresponding LCT RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-LCT mAb (Clone CL14122, ATL-AMAb91930 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91930

    Product DescriptionMonoclonal Antibody against Human LCT, Clone ID: CL14122, Gene description: Lactase, Validated applications: IHC, Uniprot ID: P09848, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

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  • Immunohistochemistry analysis in human endometrium and skeletal muscle tissues using AMAb91926 antibody. Corresponding MLH3 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MLH3 mAb (Clone CL14096, ATL-AMAb91926 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91926

    Product DescriptionMonoclonal Antibody against Human MLH3, Clone ID: CL14096, Gene description: Mutl homolog 3, Validated applications: IHC, ICC, WB, Uniprot ID: Q9UHC1, Storage: Store at +4°C for short term storage. Long time storage is recommended at...

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  • Immunohistochemistry analysis in human endometrium and skeletal muscle tissues using AMAb91924 antibody. Corresponding MLH3 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MLH3 mAb (Clone CL14084, ATL-AMAb91924 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91924

    Product DescriptionMonoclonal Antibody against Human MLH3, Clone ID: CL14084, Gene description: Mutl homolog 3, Validated applications: ICC, IHC, WB, Uniprot ID: Q9UHC1, Storage: Store at +4°C for short term storage. Long time storage is recommended at...

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  • Immunohistochemical staining of human cerebral cortex shows strong nuclear positivity in neurons.

    Atlas Antibodies

    Anti-SMARCB1 mAb (Clone CL14031, ATL-AMAb91922)

    Catalog No.(s): ATL-AMAb91922

    Product DescriptionMonoclonal Antibody against Human SMARCB1, Clone ID: CL14031, Gene description: Swi/snf related, matrix associated, actin dependent regulator of chromatin, subfamily b, member 1, Alternative Gene Names: BAF47, hSNFS, Ini1, PPP1R144,...

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  • Immunohistochemical staining of human cerebral cortex shows strong nuclear positivity in neurons.

    Atlas Antibodies

    Anti-SMARCB1 mAb (Clone CL14017, ATL-AMAb91921)

    Catalog No.(s): ATL-AMAb91921

    Product DescriptionMonoclonal Antibody against Human SMARCB1, Clone ID: CL14017, Gene description: Swi/snf related, matrix associated, actin dependent regulator of chromatin, subfamily b, member 1, Alternative Gene Names: BAF47, hSNFS, Ini1, PPP1R144,...

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  • Immunohistochemical staining of human ovarian cancer (high grade serous ovarian carcinoma) shows moderate to strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-SMARCB1 mAb (Clone CL13992, ATL-AMAb91920)

    Catalog No.(s): ATL-AMAb91920

    Product DescriptionMonoclonal Antibody against Human SMARCB1, Clone ID: CL13992, Gene description: Swi/snf related, matrix associated, actin dependent regulator of chromatin, subfamily b, member 1, Alternative Gene Names: BAF47, hSNFS, Ini1, PPP1R144,...

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  • Immunohistochemical staining of human ovarian cancer shows strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-SMARCB1 mAb (Clone CL13973, ATL-AMAb91919)

    Catalog No.(s): ATL-AMAb91919

    Product DescriptionMonoclonal Antibody against Human SMARCB1, Clone ID: CL13973, Gene description: Swi/snf related, matrix associated, actin dependent regulator of chromatin, subfamily b, member 1, Alternative Gene Names: BAF47, hSNFS, Ini1, PPP1R144,...

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  • Immunohistochemistry analysis in human fallopian tube and liver tissues using AMAb91917 antibody. Corresponding MSLN RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MSLN mAb (Clone CL13965, ATL-AMAb91917 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91917

    Product DescriptionMonoclonal Antibody against Human MSLN, Clone ID: CL13965, Gene description: Mesothelin, Alternative Gene Names: CAK1, MPF, Validated applications: IHC, WB, Uniprot ID: Q13421, Storage: Store at +4°C for short term storage. Long time...

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  • Immunohistochemistry analysis in human fallopian tube and skeletal muscle tissues using AMAb91916 antibody. Corresponding MSLN RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MSLN mAb (Clone CL13957, ATL-AMAb91916 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91916

    Product DescriptionMonoclonal Antibody against Human MSLN, Clone ID: CL13957, Gene description: Mesothelin, Alternative Gene Names: CAK1, MPF, Validated applications: WB, IHC, Uniprot ID: Q13421, Storage: Store at +4°C for short term storage. Long time...

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  • Immunohistochemistry analysis in human fallopian tube and skeletal muscle tissues using AMAb91915 antibody. Corresponding MSLN RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MSLN mAb (Clone CL13956, ATL-AMAb91915 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91915

    Product DescriptionMonoclonal Antibody against Human MSLN, Clone ID: CL13956, Gene description: Mesothelin, Alternative Gene Names: CAK1, MPF, Validated applications: IHC, WB, Uniprot ID: Q13421, Storage: Store at +4°C for short term storage. Long time...

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  • Immunohistochemical staining of human cervical cancer shows strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-MSH3 mAb (Clone CL14064, ATL-AMAb91911)

    Catalog No.(s): ATL-AMAb91911

    Product DescriptionMonoclonal Antibody against Human MSH3, Clone ID: CL14064, Gene description: Muts homolog 3, Alternative Gene Names: DUP, MRP1, Validated applications: ICC, IHC, WB, Uniprot ID: P20585, Storage: Store at +4°C for short term storage...

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  • Immunohistochemical staining of human cervical cancer shows strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-MSH3 mAb (Clone CL14059, ATL-AMAb91910)

    Catalog No.(s): ATL-AMAb91910

    Product DescriptionMonoclonal Antibody against Human MSH3, Clone ID: CL14059, Gene description: Muts homolog 3, Alternative Gene Names: DUP, MRP1, Validated applications: IHC, ICC, WB, Uniprot ID: P20585, Storage: Store at +4°C for short term storage...

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  • Immunohistochemical staining of human ovarian cancer (high grade serous ovarian carcinoma) shows strong membranous positivity in tumor cells.

    Atlas Antibodies

    Anti-FXYD5 mAb (Clone CL14039, ATL-AMAb91908)

    Catalog No.(s): ATL-AMAb91908

    Product DescriptionMonoclonal Antibody against Human FXYD5, Clone ID: CL14039, Gene description: Fxyd domain containing ion transport regulator 5, Alternative Gene Names: OIT2, Validated applications: IHC, Uniprot ID: Q96DB9, Storage: Store at +4°C for...

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  • Immunohistochemical staining of human ovarian cancer (high grade serous carcinoma) shows strong membranous positivity in tumor cells.

    Atlas Antibodies

    Anti-FXYD5 mAb (Clone CL14037, ATL-AMAb91907)

    Catalog No.(s): ATL-AMAb91907

    Product DescriptionMonoclonal Antibody against Human FXYD5, Clone ID: CL14037, Gene description: Fxyd domain containing ion transport regulator 5, Alternative Gene Names: OIT2, Validated applications: IHC, Uniprot ID: Q96DB9, Storage: Store at +4°C for...

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  • Immunohistochemical staining of human prostate cancer shows strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-GREB1 mAb (Clone CL13863, ATL-AMAb91906)

    Catalog No.(s): ATL-AMAb91906

    Product DescriptionMonoclonal Antibody against Human GREB1, Clone ID: CL13863, Gene description: Growth regulating estrogen receptor binding 1, Alternative Gene Names: KIAA0575, Validated applications: ICC, IHC, Uniprot ID: Q4ZG55, Storage: Store at +4°C...

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  • Immunohistochemical staining of human prostate cancer shows moderate to strong nuclear positivity in tumor cells.

    Atlas Antibodies

    Anti-GREB1 mAb (Clone CL13859, ATL-AMAb91905)

    Catalog No.(s): ATL-AMAb91905

    Product DescriptionMonoclonal Antibody against Human GREB1, Clone ID: CL13859, Gene description: Growth regulating estrogen receptor binding 1, Alternative Gene Names: KIAA0575, Validated applications: IHC, WB, Uniprot ID: Q4ZG55, Storage: Store at +4°C...

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  • Immunohistochemistry analysis in human testis and skeletal muscle tissues using AMAb91903 antibody. Corresponding MSH6 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti-MSH6 mAb (Clone CL13844, ATL-AMAb91903 w/enhanced validation)

    Catalog No.(s): ATL-AMAb91903

    Product DescriptionMonoclonal Antibody against Human MSH6, Clone ID: CL13844, Gene description: Muts homolog 6, Alternative Gene Names: GTBP, Validated applications: WB, IHC, Uniprot ID: P52701, Storage: Store at +4°C for short term storage. Long time...

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