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.

 

  • Immunofluorescent staining of human cell line MCF-7 shows localization to nucleoplasm & plasma membrane.

    Atlas Antibodies

    Anti-TMPRSS13 pAb (ATL-HPA079555)

    Catalog No.(s): ATL-HPA079555

    Product DescriptionPolyclonal Antibody against Human TMPRSS13, Gene description: transmembrane serine protease 13, Alternative Gene Names: MSPL, MSPS, TMPRSS11, Validated applications: ICC, Uniprot ID: Q9BYE2, Storage: Store at +4°C for short term...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line HAP1 shows localization to plasma membrane.

    Atlas Antibodies

    Anti-CCKBR pAb (ATL-HPA079548)

    Catalog No.(s): ATL-HPA079548

    Product DescriptionPolyclonal Antibody against Human CCKBR, Gene description: cholecystokinin B receptor, Validated applications: ICC, Uniprot ID: P32239, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $554.00
    Choose Options
  • Immunofluorescent staining of human cell line BJ [Human fibroblast] shows localization to nucleoplasm, plasma membrane & actin filaments.

    Atlas Antibodies

    Anti-TSPAN5 pAb (ATL-HPA079522)

    Catalog No.(s): ATL-HPA079522

    Product DescriptionPolyclonal Antibody against Human TSPAN5, Gene description: tetraspanin 5, Alternative Gene Names: NET-4, TM4SF9, Tspan-5, Validated applications: ICC, Uniprot ID: P62079, Storage: Store at +4°C for short term storage. Long time...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line RT-4 shows localization to vesicles.

    Atlas Antibodies

    Anti-PIFO pAb (ATL-HPA079487)

    Catalog No.(s): ATL-HPA079487

    Product DescriptionPolyclonal Antibody against Human PIFO, Gene description: primary cilia formation, Alternative Gene Names: C1orf88, FLJ23853, pitchfork, Validated applications: ICC, Uniprot ID: Q8TCI5, Storage: Store at +4°C for short term storage...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to nuclear bodies.

    Atlas Antibodies

    Anti-TTC9 pAb (ATL-HPA079473)

    Catalog No.(s): ATL-HPA079473

    Product DescriptionPolyclonal Antibody against Human TTC9, Gene description: tetratricopeptide repeat domain 9, Alternative Gene Names: KIAA0227, TTC9A, Validated applications: ICC, Uniprot ID: Q92623, Storage: Store at +4°C for short term storage. Long...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to nucleoli & cytosol.

    Atlas Antibodies

    Anti-RAD51AP2 pAb (ATL-HPA079469)

    Catalog No.(s): ATL-HPA079469

    Product DescriptionPolyclonal Antibody against Human RAD51AP2, Gene description: RAD51 associated protein 2, Alternative Gene Names: FLJ17540, Validated applications: ICC, Uniprot ID: Q09MP3, Storage: Store at +4°C for short term storage. Long time...

    $596.00
    Choose Options
  • Immunohistochemical staining of human epididymis shows strong cytoplasmic and secreted positivity in glandular cells.

    Atlas Antibodies

    Anti-DEFB121 pAb (ATL-HPA079460)

    Catalog No.(s): ATL-HPA079460

    Product DescriptionPolyclonal Antibody against Human DEFB121, Gene description: defensin beta 121, Alternative Gene Names: DEFB-21, Validated applications: IHC, Uniprot ID: Q5J5C9, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line HEL shows localization to plasma membrane & cytosol.

    Atlas Antibodies

    Anti-LST1 pAb (ATL-HPA079451)

    Catalog No.(s): ATL-HPA079451

    Product DescriptionPolyclonal Antibody against Human LST1, Gene description: leukocyte specific transcript 1, Alternative Gene Names: B144, D6S49E, LST-1, Validated applications: ICC, Uniprot ID: O00453, Storage: Store at +4°C for short term storage...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line BJ [Human fibroblast] shows localization to nucleoli fibrillar center & nuclear membrane.

    Atlas Antibodies

    Anti-CEMIP pAb (ATL-HPA079449)

    Catalog No.(s): ATL-HPA079449

    Product DescriptionPolyclonal Antibody against Human CEMIP, Gene description: cell migration inducing hyaluronidase 1, Alternative Gene Names: HYBID, IR2155535, KIAA1199, TMEM2L, Validated applications: ICC, Uniprot ID: Q8WUJ3, Storage: Store at +4°C for...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line MCF-7 shows localization to cell junctions.

    Atlas Antibodies

    Anti-FAM209A pAb (ATL-HPA079442)

    Catalog No.(s): ATL-HPA079442

    Product DescriptionPolyclonal Antibody against Human FAM209A, Gene description: family with sequence similarity 209 member A, Alternative Gene Names: C20orf106, dJ1153D9.3, Validated applications: ICC, Uniprot ID: Q5JX71, Storage: Store at +4°C for short...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line CACO-2 shows localization to nucleoplasm & cell junctions.

    Atlas Antibodies

    Anti-TERB1 pAb (ATL-HPA079436)

    Catalog No.(s): ATL-HPA079436

    Product DescriptionPolyclonal Antibody against Human TERB1, Gene description: telomere repeat binding bouquet formation protein 1, Alternative Gene Names: CCDC79, FLJ35894, Validated applications: ICC, Uniprot ID: Q8NA31, Storage: Store at +4°C for short...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line MCF-7 shows localization to vesicles.

    Atlas Antibodies

    Anti-INHBB pAb (ATL-HPA079405)

    Catalog No.(s): ATL-HPA079405

    Product DescriptionPolyclonal Antibody against Human INHBB, Gene description: inhibin subunit beta B, Validated applications: ICC, Uniprot ID: P09529, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $554.00
    Choose Options
  • Immunofluorescent staining of human cell line HEL shows localization to vesicles.

    Atlas Antibodies

    Anti-RAB44 pAb (ATL-HPA079390)

    Catalog No.(s): ATL-HPA079390

    Product DescriptionPolyclonal Antibody against Human RAB44, Gene description: RAB44, member RAS oncogene family, Alternative Gene Names: dJ431A14.3, RASD3, RASL13, Validated applications: ICC, Uniprot ID: Q7Z6P3, Storage: Store at +4°C for short term...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line SuSa shows localization to vesicles.

    Atlas Antibodies

    Anti-C1orf105 pAb (ATL-HPA079382)

    Catalog No.(s): ATL-HPA079382

    Product DescriptionPolyclonal Antibody against Human C1orf105, Gene description: chromosome 1 open reading frame 105, Validated applications: ICC, Uniprot ID: O95561, Storage: Store at +4°C for short term storage. Long time storage is recommended at...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line OE19 shows localization to nucleoplasm & plasma membrane.

    Atlas Antibodies

    Anti-TMEM52 pAb (ATL-HPA079372)

    Catalog No.(s): ATL-HPA079372

    Product DescriptionPolyclonal Antibody against Human TMEM52, Gene description: transmembrane protein 52, Validated applications: ICC, Uniprot ID: Q8NDY8, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line K-562 shows localization to plasma membrane.

    Atlas Antibodies

    Anti-SLC24A2 pAb (ATL-HPA079359)

    Catalog No.(s): ATL-HPA079359

    Product DescriptionPolyclonal Antibody against Human SLC24A2, Gene description: solute carrier family 24 member 2, Alternative Gene Names: NCKX2, Validated applications: ICC, Uniprot ID: Q9UI40, Storage: Store at +4°C for short term storage. Long time...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line MCF-7 shows localization to plasma membrane & endoplasmic reticulum.

    Atlas Antibodies

    Anti-CSAD pAb (ATL-HPA079296)

    Catalog No.(s): ATL-HPA079296

    Product DescriptionPolyclonal Antibody against Human CSAD, Gene description: cysteine sulfinic acid decarboxylase, Alternative Gene Names: CSD, PCAP, Validated applications: ICC, Uniprot ID: Q9Y600, Storage: Store at +4°C for short term storage. Long...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line A-549 shows localization to plasma membrane & endoplasmic reticulum.

    Atlas Antibodies

    Anti-FADS2 pAb (ATL-HPA079284)

    Catalog No.(s): ATL-HPA079284

    Product DescriptionPolyclonal Antibody against Human FADS2, Gene description: fatty acid desaturase 2, Alternative Gene Names: D6D, DES6, FADSD6, LLCDL2, SLL0262, TU13, Validated applications: ICC, Uniprot ID: O95864, Storage: Store at +4°C for short...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line hTERT-RPE1 shows localization to nucleoplasm & cytosol.

    Atlas Antibodies

    Anti-NT5DC1 pAb (ATL-HPA079264)

    Catalog No.(s): ATL-HPA079264

    Product DescriptionPolyclonal Antibody against Human NT5DC1, Gene description: 5'-nucleotidase domain containing 1, Alternative Gene Names: dJ486I3.1, MGC24302, NT5C2L1, Validated applications: ICC, Uniprot ID: Q5TFE4, Storage: Store at +4°C for short...

    $596.00
    Choose Options
  • Immunohistochemical staining of human skin shows moderate cytoplasmic positivity in keratinocytes.

    Atlas Antibodies

    Anti-DSG4 pAb (ATL-HPA079244)

    Catalog No.(s): ATL-HPA079244

    Product DescriptionPolyclonal Antibody against Human DSG4, Gene description: desmoglein 4, Alternative Gene Names: CDHF13, LAH, Validated applications: IHC, Uniprot ID: Q86SJ6, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line JURKAT shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-RFX5 pAb (ATL-HPA079241)

    Catalog No.(s): ATL-HPA079241

    Product DescriptionPolyclonal Antibody against Human RFX5, Gene description: regulatory factor X5, Validated applications: ICC, Uniprot ID: P48382, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line REH shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-FIP1L1 pAb (ATL-HPA079225)

    Catalog No.(s): ATL-HPA079225

    Product DescriptionPolyclonal Antibody against Human FIP1L1, Gene description: factor interacting with PAPOLA and CPSF1, Alternative Gene Names: DKFZp586K0717, FIP1, hFip1, Validated applications: ICC, Uniprot ID: Q6UN15, Storage: Store at +4°C for short...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line BJ [Human fibroblast] shows localization to vesicles.

    Atlas Antibodies

    Anti-APPL2 pAb (ATL-HPA079223)

    Catalog No.(s): ATL-HPA079223

    Product DescriptionPolyclonal Antibody against Human APPL2, Gene description: adaptor protein, phosphotyrosine interacting with PH domain and leucine zipper 2, Alternative Gene Names: DIP13B, FLJ10659, Validated applications: ICC, Uniprot ID: Q8NEU8,...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line HEL shows localization to cytosol.

    Atlas Antibodies

    Anti-TESPA1 pAb (ATL-HPA079222)

    Catalog No.(s): ATL-HPA079222

    Product DescriptionPolyclonal Antibody against Human TESPA1, Gene description: thymocyte expressed, positive selection associated 1, Alternative Gene Names: ITPRID3, KIAA0748, Validated applications: ICC, Uniprot ID: A2RU30, Storage: Store at +4°C for...

    $596.00
    Choose Options
  • Immunohistochemical staining of human bone marrow shows strong cytoplasmic positivity with a granular pattern in hematopoietic cells.

    Atlas Antibodies

    Anti-RIN3 pAb (ATL-HPA079218)

    Catalog No.(s): ATL-HPA079218

    Product DescriptionPolyclonal Antibody against Human RIN3, Gene description: Ras and Rab interactor 3, Alternative Gene Names: FLJ22439, Validated applications: IHC, Uniprot ID: Q8TB24, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line HEK293 shows localization to nucleoplasm & cytosol.

    Atlas Antibodies

    Anti-USP26 pAb (ATL-HPA079124)

    Catalog No.(s): ATL-HPA079124

    Product DescriptionPolyclonal Antibody against Human USP26, Gene description: ubiquitin specific peptidase 26, Validated applications: ICC, Uniprot ID: Q9BXU7, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line SK-MEL-30 shows localization to nuclear bodies.

    Atlas Antibodies

    Anti-C4orf54 pAb (ATL-HPA079091)

    Catalog No.(s): ATL-HPA079091

    Product DescriptionPolyclonal Antibody against Human C4orf54, Gene description: chromosome 4 open reading frame 54, Alternative Gene Names: FOPV, LOC285556, Validated applications: ICC, Uniprot ID: D6RIA3, Storage: Store at +4°C for short term storage...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line MCF-7 shows localization to the Golgi apparatus.

    Atlas Antibodies

    Anti-RNF224 pAb (ATL-HPA079078)

    Catalog No.(s): ATL-HPA079078

    Product DescriptionPolyclonal Antibody against Human RNF224, Gene description: ring finger protein 224, Validated applications: ICC, Uniprot ID: P0DH78, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line PC-3 shows localization to vesicles.

    Atlas Antibodies

    Anti-FTCDNL1 pAb (ATL-HPA078878)

    Catalog No.(s): ATL-HPA078878

    Product DescriptionPolyclonal Antibody against Human FTCDNL1, Gene description: formiminotransferase cyclodeaminase N-terminal like, Alternative Gene Names: FONG, Validated applications: ICC, Uniprot ID: E5RQL4, Storage: Store at +4°C for short term...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line OE19 shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-C2CD4A pAb (ATL-HPA078864)

    Catalog No.(s): ATL-HPA078864

    Product DescriptionPolyclonal Antibody against Human C2CD4A, Gene description: C2 calcium dependent domain containing 4A, Alternative Gene Names: FAM148A, NLF1, Validated applications: ICC, Uniprot ID: Q8NCU7, Storage: Store at +4°C for short term...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to nucleoli & cytosol.

    Atlas Antibodies

    Anti-TXK pAb (ATL-HPA078636)

    Catalog No.(s): ATL-HPA078636

    Product DescriptionPolyclonal Antibody against Human TXK, Gene description: TXK tyrosine kinase, Alternative Gene Names: BTKL, PSCTK5, PTK4, RLK, TKL, Validated applications: ICC, Uniprot ID: P42681, Storage: Store at +4°C for short term storage. Long...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-ZNF416 pAb (ATL-HPA078491)

    Catalog No.(s): ATL-HPA078491

    Product DescriptionPolyclonal Antibody against Human ZNF416, Gene description: zinc finger protein 416, Alternative Gene Names: FLJ20557, Validated applications: ICC, Uniprot ID: Q9BWM5, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to nucleoplasm & cytosol.

    Atlas Antibodies

    Anti-PRPF39 pAb (ATL-HPA078403)

    Catalog No.(s): ATL-HPA078403

    Product DescriptionPolyclonal Antibody against Human PRPF39, Gene description: pre-mRNA processing factor 39, Alternative Gene Names: FLJ11128, FLJ20666, Validated applications: ICC, Uniprot ID: Q86UA1, Storage: Store at +4°C for short term storage. Long...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line U2OS shows localization to mitochondria.

    Atlas Antibodies

    Anti-POLG2 pAb (ATL-HPA078396)

    Catalog No.(s): ATL-HPA078396

    Product DescriptionPolyclonal Antibody against Human POLG2, Gene description: DNA polymerase gamma 2, accessory subunit, Alternative Gene Names: HP55, MTPOLB, Validated applications: WB, ICC, Uniprot ID: Q9UHN1, Storage: Store at +4°C for short term...

    $596.00
    Choose Options
  • Immunofluorescent staining of human cell line SiHa shows localization to cytosol & vesicles.

    Atlas Antibodies

    Anti-NUDT19 pAb (ATL-HPA078387)

    Catalog No.(s): ATL-HPA078387

    Product DescriptionPolyclonal Antibody against Human NUDT19, Gene description: nudix hydrolase 19, Alternative Gene Names: RP2, Validated applications: ICC, Uniprot ID: A8MXV4, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
    Choose Options