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St John's Laboratory offers a variety of primary polyclonal and monoclonal antibodies.  With numerous cited primary and secondary antibodies available from our 30,000 strong catalogue of antibodies, we have you covered for your western blot, immunofluorescence, ELISA and other assay needs. So whether you are after rabbit monoclonals, goat polyclonals or ELISA kits, we provide coverage for the majority of dominant research areas.

 

Browse our Secondary Antibodies

Browse our ELISA Kits

Featured Products

Feature Product - Anti-Beta Actin Antibody (STJ96930)

Feature Product - Anti-Beta Actin Antibody (STJ96930)

Mouse monoclonal Anti-Beta Actin Antibody with 4 reviews above 4-star.
In multiple applications and multiple species, at a high dilution.
What is so special about beta actin?

IHC Guaranteed Antibodies

IHC guaranteed antibodies

We have selected a wide range of  IHC validated primary antibodies 
suitable for immunohistochemistry
application, from pathology and cancer research to immunology and
usual biomarkers.

  Loading Controls

Loading Controls

Loading controls are usually proteins that exhibit high-level,
constitutive expression in the cell type or sample you are studying.
Housekeeping genes are often chosen for use this purpose.

Rabbit Monoclonals 

Rabbit Monoclonals

Rabbit monoclonal immunoglobulins give a better reaction to
antigens than those from rodents such as mice. Using rabbit monoclonal
antibodies is particularly advantageous for more
accurate immunohistochemistry results.

Phospho Antibodies

Phospho Antibodies

Protein phosphorylation plays a significant role in a wide
range of cellular processes including cell growth and
proliferation, metabolism, physiological regulation and cell signaling

Knockout 

KO Validated Antibodies

        In a knockout validation, antibody specificity is confirmed by
testing the antibody of interest on aknockout sample or cell line which
doesn't express the target protein.

Goat Primary Antibodies

Goat Primary Antibodies

Goat primary antibodies are ideal for large scale projects at a low cost.
We have +3000 goat primary antibodies suitable for any experiment. 

Tag antibodies 

Tag Antibodies

Tag antibodies are frequently used with recombinant protein cell cultures
to allow researchers to selectively extract a target protein from the endogenous samples.
One of the most popular is the Anti-mCherry-Tag antibody used widely in gene expression assays.

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Clonality

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  2. Polyclonal (77)
Applications

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  1. ChIP (62)
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  5. IF (52)
  6. IHC (338)
  7. IP (52)
  8. WB (62)
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  • Anti-TriMethyl-Histone antibody [STJ29403]

    Western blot analysis of extracts of various cell lines, using TriMethyl-Histone H3-K56 antibody (STJ29403) at 1:1000 dilution. Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% no
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, IF, IHC, IP, WB
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  • Anti-DiMethyl-Histone antibody [STJ23988]

    Western blot analysis of extracts of various cell lines, using DiMethyl-Histone H3-K27 antibody (STJ23988). Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBS
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, IF, IHC, IP, WB
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    Rating:
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  • Anti-DiMethyl-Histone antibody [STJ23985]

    Western blot analysis of extracts of various cell lines, using DiMethyl-Histone H3-K9 antibody (STJ23985). Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBST
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, IF, IHC, IP, WB
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  • Anti-TriMethyl-Histone antibody [STJ23983]

    Western blot analysis of extracts of various cell lines, using TriMethyl-Histone H3-K4 antibody (STJ23983). Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBS
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, IF, IHC, IP, WB
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  • Anti-HIST3H3 antibody [STJ23980]

    Western blot analysis of extracts of various cell lines, using HIST3H3 antibody (STJ23980) at 1:1000 dilution. Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, WB
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  • Anti-MonoMethyl-Histone antibody [STJ23970]

    Western blot analysis of extracts of various cell lines, using MonoMethyl-Histone H4-K20 antibody (STJ23970). Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in T
    Clonality: Polyclonal
    Host: Rabbit
    Reactivity: Human, Mouse, Rat
    Applications: ChIP, IF, IHC, IP, WB
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  • Anti-SALL4 antibody [STJ180237]

    Formalin-fixed, paraffin-embedded human seminoma stained with anti-SALL4 antibody using peroxidase-conjugate and DAB chromogen. Note nuclear staining of tumor cells
    Clonality: Monoclonal
    Host: Rabbit
    Reactivity: Human, Mouse
    Applications: IHC
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  • Anti-HBsAg antibody [STJ180119]

    Formalin-fixed, paraffin-embedded human liver infected by hepatitis B virus stained with anti-HBsAg antibody using peroxidase-conjugate and DAB chromogen. Note the cytoplasmic staining of infected hepatocytes
    Clonality: Monoclonal
    Host: Mouse
    Reactivity: Human
    Applications: IHC
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  • Anti-KLK3 antibody [STJ180230]

    Formalin-fixed, paraffin-embedded human prostate stained with anti-PAS antibody using peroxidase-conjugate and DAB chromogen. Note cytoplasmic staining of glandular-cells
    Clonality: Monoclonal
    Host: Rabbit
    Reactivity: Human
    Applications: IHC
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  • Anti-PVALB antibody [STJ180210]

    Formalin-fixed, paraffin-embedded human chromophobe renal cell carcinoma stained with anti-parvalbumin antibody using peroxidase-conjugate and DAB chromogen. Note cytoplasmic staining of tumor cells
    Clonality: Monoclonal
    Host: Rabbit
    Reactivity: Human
    Applications: IHC
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  • Anti-PDCD1 antibody [STJ180216]

    Formalin-fixed, paraffin-embedded human tonsil stained with anti-PD-1 antibody using peroxidase-conjugate andDAB chromogen. Note cytoplasmic staining of T-cells
    Clonality: Monoclonal
    Host: Rabbit
    Reactivity: Human
    Applications: IHC
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  • Anti-MSLN antibody [STJ180171]

    Formalin-fixed, paraffin-embedded human mesothelioma stained with anti-mesothelin antibody using peroxidase-conjugate and DAB chromogen. Note cytoplasmic staining of tumor cells
    Clonality: Monoclonal
    Host: Rabbit
    Reactivity: Human
    Applications: IHC
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