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Fluorescent Proteins, Nucleotides & Other Conjugates

A wide selection of proteins, nucleotides, toxins, and other probes conjugated to our bright & photostable CF® dyes and other labels. Learn more about bioconjugate applications.

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    Product

    ActinBrite™ High Affinity Phalloidin Conjugates

    From: $150 Sizes: 50 U, 300 UCatalog #:
    00095-T
    , 00096-T, 00097-T, 00098-T, 00099-T, 00095, 00096, 00097, 00098, - 00099View allHide

    Novel phalloidin conjugates of fluorescent dyes designed to preserve strong F-actin binding for bright, specific staining that remains stable for over a month.

     
    Product

    Biotin NTA

    From: $138 Sizes: 5 mgCatalog #: 90074

    Biotin NTA, also known as BNTA (Biotin nitrilotriacetic acid, tripotassium salt) is used to detect histidine-tagged proteins (as little as 0.1 pmol) immobilized on nitrocellulose membranes.

     
    Product

    Biotin-X NTA

    From: $138 Sizes: 5 mgCatalog #: 90056

    Biotin-X NTA (Biotin-X nitrilotriacetic acid, tripotassium salt) is used to detect histidine-tagged proteins (as little as 0.1 pmol) immobilized on nitrocellulose membranes.

     
    Product

    Phalloidin Conjugates

    From: $105 Sizes: 100 U, 50 U, 300 UCatalog #:
    00027
    , 00028, 00030, 00032, 00041, 00041-T, 00033, 00034, 00042, 00043, 00044, 00064-T, 00045, 00064, 00046, 00047, 00048, 00049, 00050, 00051, 00052, 00053, 00054, 00055, 00034-T, 00042-T, 00043-T, 00044-T, 00045-T, 00046-T, 00047-T, 00048-T, 00049-T, 00050-T, 00051-T, 00052-T, 00053-T, 00054-T, - 00055-TView allHide

    A highly selective actin filament stain for fixed and permeabilized cells. Labeled phalloidins have similar affinity for both large and small filaments.

     
    Product

    Ulex Europaeus Agglutinin I (UEA I) Conjugates

    From: $180 Sizes: 1 mLCatalog #:
    29133
    , 29108, 29109, 29110, 29111, 29112, - 29113View allHide

    UEA I binds to glycoproteins and glycolipids containing α-linked fucose residues, such as ABO blood group glycoconjugates. The lectin is an established marker for human endothelial cells and has been used to differentiate between angiosarcomas and epithelial tumors. Biotium offers UEA I conjugated to biotin and a selection of 6 bright and photostable CF® Dyes.

     
    Product

    Phaseolus Vulgaris Leucoagglutinin (PHA-L) Conjugates

    From: $180 Sizes: 1 mLCatalog #:
    29134
    , 29114, 29115, 29116, 29117, 29118, - 29119View allHide

    PHA-L triggers lymphocyte agglutination and is available conjugated to biotin and a selection of 6 bright and photostable CF® Dyes.

     
    Product

    Concanavalin A (Con A) CF® Dye Conjugates

    From: $196 Sizes: 5 x 1 mgCatalog #:
    29136
    , 29015, 29016, 29017, 29018, 29019, 29020, 29058, 29074, 29075, - 29080View allHide

    A lectin labeled with our superior fluorescent CF® dyes is an effective and widely used cell surface stain for yeast, fungi, and mammalian cells.

     
    Product

    Lycopersicon Esculentum (Tomato) Lectin (LEL, TL) Conjugates

    From: $190 Sizes: 1 mLCatalog #:
    29132
    , 29102, 29103, 29104, 29105, 29106, - 29107View allHide

    Tomato lectin (LEL, TL) CF® Dye conjugates that bind to [GlcNAc] 1,3-N-acetylglucosamine, glycophorin, and Tamm-Horsfall glycoprotein. LEL, TL is a commonly used marker for blood vessels and microglial cells in rodent and neuroscience research. Biotium offers tomato lectin conjugated to biotin and a selection of 6 bright and photostable CF® Dyes.

     
    Product

    Datura Stramonium Lectin (DSL) Conjugates

    From: $190 Sizes: 1 mLCatalog #:
    29131
    , 29096, 29097, 29098, 29099, 29100, - 29101View allHide

    DSL binds to (beta-1,4) linked N-acetylglucosamine oligomers, preferring chitobiose or chitotriose over single N-acetylglucosamine residues. Biotium offers DSL conjugated to biotin and a selection of 6 bright and photostable CF® Dyes.

     
    Product

    Sambucus Nigra Lectin (SNA, EBL) Conjugates

    From: $215 Sizes: 1 mLCatalog #:
    29135
    , 29120, 29121, 29122, 29123, 29124, - 29125View allHide

    SNA lectin binds to sialic acid attached to terminal galactose. SNA lectin is a carbohydrate-binding protein that can induce apoptosis in insect cells and cultured mammalian cell cancer cells. Biotium offers SNA lectin conjugated to biotin and a selection of 6 bright and photostable CF® Dyes.

     
    Product

    Wheat Germ Agglutinin (WGA) Conjugates

    From: $87 Sizes: 1 mg, 5 x 1 mgCatalog #:
    29128-1
    , 29128, 29095-1, 29095, 29021, 29022, 29023, 29024, 29025, 29026, 29027, 29028, 29029, 29059, 29064, 29073, 29021-1, 29022-1, 29023-1, 29024-1, 29025-1, 29026-1, 29027-1, 29028-1, 29029-1, 29059-1, 29064-1, 29077-1, 29077, 29076-1, - 29076View allHide

    A wheat germ agglutinin (WGA) lectin labeled with Biotium’s CF® Dyes, biotin, or HRP. It is a carbohydrate-binding lectin that has high affinity for sialic acid and N-acetylglucosamine and stains yeast bud scars as well as the cell membrane of gram+ bacteria and mammalian cells.

     
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    Streptavidin Conjugates

    From: $126 Sizes: 100 uL, 200 uL, 1 mL, 1 mgCatalog #:
    29129
    , 29086, 29030, 29031, 29032, 29033, 29034, 29035, 29036, 29037, 29038, 29039, 29040, 29041, 29043, 29049, 29056, 29065, 29066, 29072, 29044-1mL, 29044-200uL, 29048-1mL, 29048-200uL, 29071-100uL, 29071-1mL, - 29081View allHide

    A high quality biotin-binding protein conjugated to Biotium’s signature bright and photostable fluorescent CF® dyes, and a selection of other labels.

     
    Product

    Cholera Toxin Subunit B CF® Dye Conjugates

    From: $244 Sizes: 100 ugCatalog #:
    29127
    , 00068, 00070, 00071, 00072, 00073, 00074, 00075, 00077, 00069, 00078, - 00079View allHide

    Fluorescent conjugates of recombinant cholera toxin subunit B. Can be used for tract-tracing in neurological research, targeting GM1 ganglioside binding and retrograde transport.

     
    Product

    Annexin V Conjugates

    From: $117 Sizes: 100 uL, 500 uLCatalog #:
    29126
    , 29085, 29001, 29003, 29004, 29005, 29008, 29009, 29010, 29011, 29012, 29013, 29014, 29069, 29045-100uL, 29045-500uL, 29057-100uL, 29083, - 29057-500uLView allHide

    Annexin V fluorescent conjugates can be used to detect apoptotic cells. Annexin V is available conjugated to a wide variety of dyes.

     
    Product

    Cholera Toxin Subunit B (Recombinant)

    From: $150 Sizes: 100 ug, 1 mg, 2 mgCatalog #:
    29130-100ug
    , 29130-1mg, - 29130-2mgView allHide

    Recombinant cholera toxin subunit B (CTB) purified from E. coli as a single, non-glycosylated polypeptide chain. Free of stabilizers and ready to conjugate.

     
    Product

    CF® Dye Biotin

    From: $224 Sizes: 1 mgCatalog #:
    80034
    , 80035, 80036, 80037, 80038, 80029, 80031, - 80032View allHide

    Potential applications of Biotin-CF® Dye include detection of biotin binding sites and the degree of biotinylation of proteins, and for the measurement of avidin and streptavidin in crude biological samples. In addition, biotin-CF® Dye can be used as a polar tracer by microinjection to study the morphology of cells.