Illustration of an antibody structure

Antibodies

Cosmo Bio USA offers a comprehensive 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, 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 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 BJ shows localization to the Golgi apparatus & vesicles.

    Atlas Antibodies

    Anti INMT pAb (ATL-HPA061343)

    Catalog No.(s): ATL-HPA061343, ATL-HPA061343-25, ATL-HPA061343-100

    Product DescriptionProtein Description: indolethylamine N-methyltransferaseGene Name: INMTAlternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000003477: 67%, ENSRNOG00000011250: 67%Entrez Gene ID: 11185Uniprot ID: O95050Buffer: 40%...

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  • Immunofluorescent staining of human cell line U-2 OS shows localization to actin filaments.

    Atlas Antibodies

    Anti CSGALNACT1 pAb (ATL-HPA061336)

    Catalog No.(s): ATL-HPA061336, ATL-HPA061336-25, ATL-HPA061336-100

    Product DescriptionProtein Description: chondroitin sulfate N-acetylgalactosaminyltransferase 1Gene Name: CSGALNACT1Alternative Gene Name: ChGn, CSGalNAcT-1, FLJ11264Isotype: IgGInterspecies mouse/rat: ENSMUSG00000036356: 88%, ENSRNOG00000013024:...

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  • Immunofluorescent staining of human cell line U-2 OS shows localization to nucleoplasm.

    Atlas Antibodies

    Anti BTBD11 pAb (ATL-HPA061334)

    Catalog No.(s): ATL-HPA061334, ATL-HPA061334-25, ATL-HPA061334-100

    Product DescriptionProtein Description: BTB domain containing 11Gene Name: BTBD11Alternative Gene Name: ABTB2B, FLJ33957Isotype: IgGInterspecies mouse/rat: ENSMUSG00000020042: 98%, ENSRNOG00000005758: 98%Entrez Gene ID: 121551Uniprot ID: A6QL63Buffer:...

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  • Western blot analysis in human cell line PC-3 and human cell line CACO-2.

    Atlas Antibodies

    Anti IRF2BPL pAb (ATL-HPA061333 w/enhanced validation)

    Catalog No.(s): ATL-HPA061333, ATL-HPA061333-25, ATL-HPA061333-100

    Product DescriptionProtein Description: interferon regulatory factor 2 binding protein-likeGene Name: IRF2BPLAlternative Gene Name: C14orf4, EAP1, KIAA1865Isotype: IgGInterspecies mouse/rat: ENSMUSG00000034168: 98%, ENSRNOG00000011026: 98%Entrez Gene ID:...

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  • Western blot analysis in human cell line RT-4 and human cell line U-251 MG.

    Atlas Antibodies

    Anti POLR3D pAb (ATL-HPA061331)

    Catalog No.(s): ATL-HPA061331, ATL-HPA061331-25, ATL-HPA061331-100

    Product DescriptionProtein Description: polymerase (RNA) III (DNA directed) polypeptide D, 44kDaGene Name: POLR3DAlternative Gene Name: BN51T, RPC4, TSBN51Isotype: IgGInterspecies mouse/rat: ENSMUSG00000000776: 98%, ENSRNOG00000010028: 98%Entrez Gene ID:...

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  • Immunofluorescent staining of human cell line PC-3 shows localization to plasma membrane.

    Atlas Antibodies

    Anti DNAJB13 pAb (ATL-HPA061330)

    Catalog No.(s): ATL-HPA061330, ATL-HPA061330-25, ATL-HPA061330-100

    Product DescriptionProtein Description: DnaJ heat shock protein family (Hsp40) member B13Gene Name: DNAJB13Alternative Gene Name: RSPH16A, TSARG6Isotype: IgGInterspecies mouse/rat: ENSMUSG00000030708: 84%, ENSRNOG00000017975: 86%Entrez Gene ID:...

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  • Western blot analysis in human cell line RT-4 and human cell line U-251 MG.

    Atlas Antibodies

    Anti TRIM36 pAb (ATL-HPA061321)

    Catalog No.(s): ATL-HPA061321, ATL-HPA061321-25, ATL-HPA061321-100

    Product DescriptionProtein Description: tripartite motif containing 36Gene Name: TRIM36Alternative Gene Name: HAPRIN, RBCC728, RNF98Isotype: IgGInterspecies mouse/rat: ENSMUSG00000033949: 94%, ENSRNOG00000016612: 94%Entrez Gene ID: 55521Uniprot ID:...

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  • Immunohistochemical staining of human placenta shows  strong cytoplasmic positivity in decidual cells.

    Atlas Antibodies

    Anti NOG pAb (ATL-HPA061318)

    Catalog No.(s): ATL-HPA061318, ATL-HPA061318-25, ATL-HPA061318-100

    Product DescriptionProtein Description: nogginGene Name: NOGAlternative Gene Name: SYM1, SYNS1Isotype: IgGInterspecies mouse/rat: ENSMUSG00000048616: 100%, ENSRNOG00000023683: 100%Entrez Gene ID: 9241Uniprot ID: Q13253Buffer: 40% glycerol and PBS (pH 7...

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  • Immunofluorescent staining of human cell line Hep G2 shows localization to nucleus & vesicles.

    Atlas Antibodies

    Anti UPF3A pAb (ATL-HPA061316)

    Catalog No.(s): ATL-HPA061316, ATL-HPA061316-25, ATL-HPA061316-100

    Product DescriptionProtein Description: UPF3 regulator of nonsense transcripts homolog A (yeast)Gene Name: UPF3AAlternative Gene Name: HUPF3A, RENT3A, UPF3Isotype: IgGInterspecies mouse/rat: ENSMUSG00000038398: 88%, ENSRNOG00000017397: 88%Entrez Gene ID:...

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  • Lane 1: Marker [kDa] 250, 130, 95, 72, 55, 36, 28, 17, 10 | Lane 2: RT4 | Lane 3: U-251 MG | Lane 4: Human Plasma | Lane 5: Liver | Lane 6: Tonsil

    Atlas Antibodies

    Anti RHOH pAb (ATL-HPA061314)

    Catalog No.(s): ATL-HPA061314, ATL-HPA061314-25, ATL-HPA061314-100

    Product DescriptionProtein Description: ras homolog family member HGene Name: RHOHAlternative Gene Name: ARHH, RhoH, TTFIsotype: IgGInterspecies mouse/rat: ENSMUSG00000029204: 100%, ENSRNOG00000002540: 99%Entrez Gene ID: 399Uniprot ID: Q15669Buffer: 40%...

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  • Immunofluorescent staining of human cell line MCF7 shows localization to nuclear speckles & nucleoli fibrillar center.

    Atlas Antibodies

    Anti CD2BP2 pAb (ATL-HPA061309 w/enhanced validation)

    Catalog No.(s): ATL-HPA061309, ATL-HPA061309-25, ATL-HPA061309-100

    Product DescriptionProtein Description: CD2 (cytoplasmic tail) binding protein 2Gene Name: CD2BP2Alternative Gene Name: LIN1, PPP1R59, Snu40Isotype: IgGInterspecies mouse/rat: ENSMUSG00000042502: 90%, ENSRNOG00000017201: 94%Entrez Gene ID: 10421Uniprot...

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  • Western blot analysis in control (vector only transfected HEK293T lysate) and SPACA4 over-expression lysate (Co-expressed with a C-terminal myc-DDK tag (~3.1 kDa) in mammalian HEK293T cells, LY408827).

    Atlas Antibodies

    Anti SPACA4 pAb (ATL-HPA061302 w/enhanced validation)

    Catalog No.(s): ATL-HPA061302, ATL-HPA061302-100

    Product DescriptionProtein Description: sperm acrosome associated 4Gene Name: SPACA4Alternative Gene Name: SAMP14Isotype: IgGInterspecies mouse/rat: ENSMUSG00000070563: 81%, ENSRNOG00000021037: 81%Entrez Gene ID: 171169Uniprot ID: Q8TDM5Buffer: 40%...

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  • Immunohistochemical staining of human lymph node shows strong nuclear positivity in germinal and non-germinal center cells.

    Atlas Antibodies

    Anti SRSF1 pAb (ATL-HPA061301)

    Catalog No.(s): ATL-HPA061301, ATL-HPA061301-25, ATL-HPA061301-100

    Product DescriptionProtein Description: serine/arginine-rich splicing factor 1Gene Name: SRSF1Alternative Gene Name: ASF, MGC5228, SF2, SF2p33, SFRS1, SRp30aIsotype: IgGInterspecies mouse/rat: ENSMUSG00000098301: 100%, ENSRNOG00000050323: 100%Entrez Gene...

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  • Immunohistochemical staining of human colon shows moderate cytoplasmic and membranous positivity in glandular cells.

    Atlas Antibodies

    Anti ARHGEF39 pAb (ATL-HPA061299)

    Catalog No.(s): ATL-HPA061299, ATL-HPA061299-25, ATL-HPA061299-100

    Product DescriptionProtein Description: Rho guanine nucleotide exchange factor (GEF) 39Gene Name: ARHGEF39Alternative Gene Name: C9orf100, FLJ14642Isotype: IgGInterspecies mouse/rat: ENSMUSG00000051517: 88%, ENSRNOG00000021433: 90%Entrez Gene ID:...

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  • Immunohistochemical staining of human pancreas shows strong cytoplasmic positivity in exocrine glandular cells.

    Atlas Antibodies

    Anti EIF5A pAb (ATL-HPA061298)

    Catalog No.(s): ATL-HPA061298, ATL-HPA061298-25, ATL-HPA061298-100

    Product DescriptionProtein Description: eukaryotic translation initiation factor 5AGene Name: EIF5AAlternative Gene Name: EIF-5A, EIF5A1, MGC104255, MGC99547Isotype: IgGInterspecies mouse/rat: ENSMUSG00000032328: 40%, ENSRNOG00000026048: 40%Entrez Gene...

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  • Immunofluorescent staining of human cell line U-2 OS shows localization to nuclear bodies & cytosol.

    Atlas Antibodies

    Anti CENPI pAb (ATL-HPA061297)

    Catalog No.(s): ATL-HPA061297, ATL-HPA061297-25, ATL-HPA061297-100

    Product DescriptionProtein Description: centromere protein IGene Name: CENPIAlternative Gene Name: CENP-I, FSHPRH1, LRPR1, Mis6Isotype: IgGInterspecies mouse/rat: ENSMUSG00000031262: 64%, ENSRNOG00000033335: 65%Entrez Gene ID: 2491Uniprot ID:...

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  • Immunofluorescent staining of human cell line Hep G2 shows localization to nucleoplasm & vesicles.

    Atlas Antibodies

    Anti SIAH2 pAb (ATL-HPA061293)

    Catalog No.(s): ATL-HPA061293, ATL-HPA061293-25, ATL-HPA061293-100

    Product DescriptionProtein Description: siah E3 ubiquitin protein ligase 2Gene Name: SIAH2Alternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000036432: 84%, ENSRNOG00000013703: 84%Entrez Gene ID: 6478Uniprot ID: O43255Buffer: 40%...

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  • Immunofluorescent staining of human cell line HEK 293 shows localization to nucleus & nucleoli.

    Atlas Antibodies

    Anti C19orf53 pAb (ATL-HPA061291)

    Catalog No.(s): ATL-HPA061291, ATL-HPA061291-25, ATL-HPA061291-100

    Product DescriptionProtein Description: chromosome 19 open reading frame 53Gene Name: C19orf53Alternative Gene Name: HSPC023, LYDG10Isotype: IgGInterspecies mouse/rat: ENSMUSG00000019362: 74%, ENSRNOG00000049931: 80%Entrez Gene ID: 28974Uniprot ID:...

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  • Immunofluorescent staining of human cell line U-251 MG shows localization to the Golgi apparatus & centrosome.

    Atlas Antibodies

    Anti C1QTNF2 pAb (ATL-HPA061290)

    Catalog No.(s): ATL-HPA061290, ATL-HPA061290-25, ATL-HPA061290-100

    Product DescriptionProtein Description: C1q and tumor necrosis factor related protein 2Gene Name: C1QTNF2Alternative Gene Name: CTRP2Isotype: IgGInterspecies mouse/rat: ENSMUSG00000046491: 61%, ENSRNOG00000003870: 52%Entrez Gene ID: 114898Uniprot ID:...

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  • Immunofluorescent staining of human cell line BJ shows localization to the Golgi apparatus.

    Atlas Antibodies

    Anti APBA1 pAb (ATL-HPA061287)

    Catalog No.(s): ATL-HPA061287, ATL-HPA061287-25, ATL-HPA061287-100

    Product DescriptionProtein Description: amyloid beta (A4) precursor protein-binding, family A, member 1Gene Name: APBA1Alternative Gene Name: D9S411E, MINT1, X11Isotype: IgGInterspecies mouse/rat: ENSMUSG00000024897: 95%, ENSRNOG00000014928: 95%Entrez...

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  • Immunohistochemical staining of human spleen shows moderate cytoplasmic positivity in cells in red pulp and white pulp. Red blood cells were distinctly stained.

    Atlas Antibodies

    Anti FGF21 pAb (ATL-HPA061286)

    Catalog No.(s): ATL-HPA061286, ATL-HPA061286-25, ATL-HPA061286-100

    Product DescriptionProtein Description: fibroblast growth factor 21Gene Name: FGF21Alternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000030827: 89%, ENSRNOG00000020990: 86%Entrez Gene ID: 26291Uniprot ID: Q9NSA1Buffer: 40% glycerol and...

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  • Immunohistochemistry analysis in human bone marrow and cerebral cortex tissues using Anti-BPI antibody. Corresponding BPI RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti BPI pAb (ATL-HPA061284 w/enhanced validation)

    Catalog No.(s): ATL-HPA061284, ATL-HPA061284-25, ATL-HPA061284-100

    Product DescriptionProtein Description: bactericidal/permeability-increasing proteinGene Name: BPIAlternative Gene Name: BPIFD1Isotype: IgGInterspecies mouse/rat: ENSMUSG00000052922: 57%, ENSRNOG00000034195: 59%Entrez Gene ID: 671Uniprot ID:...

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  • Western blot analysis in human cell line RT-4 and human cell line U-251 MG.

    Atlas Antibodies

    Anti ALYREF pAb (ATL-HPA061282)

    Catalog No.(s): ATL-HPA061282, ATL-HPA061282-100

    Product DescriptionProtein Description: Aly/REF export factorGene Name: ALYREFAlternative Gene Name: ALY, ALY/REF, BEF, REF, THOC4Isotype: IgGInterspecies mouse/rat: ENSMUSG00000025134: 100%, ENSRNOG00000036687: 100%Entrez Gene ID: 10189Uniprot ID:...

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  • Immunohistochemical staining of human pancreas shows strong cytoplasmic (dot-like) positivity in exocrine glandular cells.

    Atlas Antibodies

    Anti SDR42E2 pAb (ATL-HPA061278)

    Catalog No.(s): ATL-HPA061278, ATL-HPA061278-25, ATL-HPA061278-100

    Product DescriptionProtein Description: short chain dehydrogenase/reductase family 42E, member 2Gene Name: SDR42E2Alternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000109392: 91%, ENSRNOG00000051819: 53%Entrez Gene ID: Uniprot ID:...

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  • Immunofluorescent staining of human cell line A549 shows localization to endoplasmic reticulum & the Golgi apparatus.

    Atlas Antibodies

    Anti TP53I11 pAb (ATL-HPA061276)

    Catalog No.(s): ATL-HPA061276, ATL-HPA061276-25, ATL-HPA061276-100

    Product DescriptionProtein Description: tumor protein p53 inducible protein 11Gene Name: TP53I11Alternative Gene Name: PIG11Isotype: IgGInterspecies mouse/rat: ENSMUSG00000068735: 96%, ENSRNOG00000008738: 96%Entrez Gene ID: 9537Uniprot ID: O14683Buffer:...

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  • Immunohistochemical staining of human hippocampus shows moderate cytoplasmic positivity in neuronal cells.

    Atlas Antibodies

    Anti SHISA4 pAb (ATL-HPA061273)

    Catalog No.(s): ATL-HPA061273, ATL-HPA061273-25, ATL-HPA061273-100

    Product DescriptionProtein Description: shisa family member 4Gene Name: SHISA4Alternative Gene Name: C1orf40, hShisa4, TMEM58Isotype: IgGInterspecies mouse/rat: ENSMUSG00000041889: 96%, ENSRNOG00000007369: 96%Entrez Gene ID: 149345Uniprot ID:...

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  • Immunohistochemical staining of human testis shows strong cytoplasmic positivity in cells in seminiferus ducts.

    Atlas Antibodies

    Anti HPS1 pAb (ATL-HPA061260)

    Catalog No.(s): ATL-HPA061260, ATL-HPA061260-25, ATL-HPA061260-100

    Product DescriptionProtein Description: Hermansky-Pudlak syndrome 1Gene Name: HPS1Alternative Gene Name: HPSIsotype: IgGInterspecies mouse/rat: ENSMUSG00000025188: 75%, ENSRNOG00000045838: 74%Entrez Gene ID: 3257Uniprot ID: Q92902Buffer: 40% glycerol and...

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  • Immunohistochemical staining of human eye, retina shows moderate cytoplasmic positivity in ganglion cell layer and photoreceptor layers.

    Atlas Antibodies

    Anti CRB1 pAb (ATL-HPA061250)

    Catalog No.(s): ATL-HPA061250, ATL-HPA061250-25, ATL-HPA061250-100

    Product DescriptionProtein Description: crumbs family member 1, photoreceptor morphogenesis associatedGene Name: CRB1Alternative Gene Name: LCA8, RP12Isotype: IgGInterspecies mouse/rat: ENSMUSG00000063681: 75%, ENSRNOG00000010903: 68%Entrez Gene ID:...

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  • Immunohistochemical staining of human cerebral cortex shows moderate, granular cytoplasmic positivity in neuronal cells.

    Atlas Antibodies

    Anti OR51D1 pAb (ATL-HPA061240)

    Catalog No.(s): ATL-HPA061240, ATL-HPA061240-25, ATL-HPA061240-100

    Product DescriptionProtein Description: olfactory receptor, family 51, subfamily D, member 1Gene Name: OR51D1Alternative Gene Name: OR51D1QIsotype: IgGInterspecies mouse/rat: ENSMUSG00000073967: 76%, ENSRNOG00000048369: 71%Entrez Gene ID: 390038Uniprot...

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  • Western blot analysis in human cell line RT-4.

    Atlas Antibodies

    Anti LIMS1 pAb (ATL-HPA061230)

    Catalog No.(s): ATL-HPA061230, ATL-HPA061230-25, ATL-HPA061230-100

    Product DescriptionProtein Description: LIM and senescent cell antigen-like domains 1Gene Name: LIMS1Alternative Gene Name: PINCH, PINCH1Isotype: IgGInterspecies mouse/rat: ENSMUSG00000027684: 31%, ENSRNOG00000037765: 95%Entrez Gene ID: 3987Uniprot ID:...

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  • Immunohistochemistry analysis in human skin and skeletal muscle tissues using Anti-PSORS1C2 antibody. Corresponding PSORS1C2 RNA-seq data are presented for the same tissues.

    Atlas Antibodies

    Anti PSORS1C2 pAb (ATL-HPA061228 w/enhanced validation)

    Catalog No.(s): ATL-HPA061228, ATL-HPA061228-25, ATL-HPA061228-100

    Product DescriptionProtein Description: psoriasis susceptibility 1 candidate 2Gene Name: PSORS1C2Alternative Gene Name: C6orf17, SPR1Isotype: IgGInterspecies mouse/rat: ENSMUSG00000031303: 54%, ENSRNOG00000048579: 50%Entrez Gene ID: 170680Uniprot ID:...

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  • Immunohistochemical staining of human cerebellum shows strong nucleolar positivity in Purkinje cells.

    Atlas Antibodies

    Anti DLK2 pAb (ATL-HPA061223)

    Catalog No.(s): ATL-HPA061223, ATL-HPA061223-25, ATL-HPA061223-100

    Product DescriptionProtein Description: delta-like 2 homolog (Drosophila)Gene Name: DLK2Alternative Gene Name: EGFL9, MGC2487Isotype: IgGInterspecies mouse/rat: ENSMUSG00000047428: 91%, ENSRNOG00000018949: 89%Entrez Gene ID: 65989Uniprot ID:...

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  • Immunofluorescent staining of human cell line U-251 MG shows localization to vesicles.

    Atlas Antibodies

    Anti PINLYP pAb (ATL-HPA061218)

    Catalog No.(s): ATL-HPA061218, ATL-HPA061218-25, ATL-HPA061218-100

    Product DescriptionProtein Description: phospholipase A2 inhibitor and LY6/PLAUR domain containingGene Name: PINLYPAlternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000011632: 47%, ENSRNOG00000019862: 47%Entrez Gene ID: 390940Uniprot...

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  • Lane 1: Marker [kDa] 250, 130, 95, 72, 55, 36, 28, 17, 10<br/>Lane 2: Human cell line RT-4<br/>Lane 3: Human cell line U-251MG sp

    Atlas Antibodies

    Anti ZNF736 pAb (ATL-HPA061215)

    Catalog No.(s): ATL-HPA061215, ATL-HPA061215-25, ATL-HPA061215-100

    Product DescriptionProtein Description: zinc finger protein 736Gene Name: ZNF736Alternative Gene Name: Isotype: IgGInterspecies mouse/rat: ENSMUSG00000057406: 36%, ENSRNOG00000048297: 40%Entrez Gene ID: 728927Uniprot ID: B4DX44Buffer: 40% glycerol and...

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