Anti-PD1 antibody [EPR4877(2)] (Alexa Fluor® 647) (ab201825)


  • Product name
    Anti-PD1 antibody [EPR4877(2)] (Alexa Fluor® 647)
    See all PD1 primary antibodies
  • Description
    Rabbit monoclonal [EPR4877(2)] to PD1 (Alexa Fluor® 647)
  • Host species
  • Conjugation
    Alexa Fluor® 647. Ex: 652nm, Em: 668nm
  • Tested applications
    Suitable for: IHC-Pmore details
  • Species reactivity
    Reacts with: Human
  • Immunogen

    Synthetic peptide corresponding to Human PD1 aa 1-100.
    Database link: Q15116
    (Peptide available as ab173374)

  • Positive control
    • IHC-P: normal human tonsil tissue sections
  • General notes

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMab® patents

    Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to use products containing Alexa Fluor® dyes for purposes other than research, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or



Our Abpromise guarantee covers the use of ab201825 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IHC-P 1/100. Perform heat mediated antigen retrieval via the pressure cooker method before commencing with IHC staining protocol.


  • Function
    Possible cell death inducer, in association with other factors.
  • Involvement in disease
    Genetic variation in PDCD1 is associated with susceptibility to systemic lupus erythematosus type 2 (SLEB2) [MIM:605218]. Systemic lupus erythematosus is a chronic, inflammatory and often febrile multisystemic disorder of connective tissue. It affects principally the skin, joints, kidneys and serosal membranes. It is thought to represent a failure of the regulatory mechanisms of the autoimmune system.
  • Sequence similarities
    Contains 1 Ig-like V-type (immunoglobulin-like) domain.
  • Developmental stage
    Induced at programmed cell death.
  • Cellular localization
  • Information by UniProt
  • Database links
  • Alternative names
    • CD279 antibody
    • CD279 antigen antibody
    • hPD 1 antibody
    • hPD l antibody
    • hPD-1 antibody
    • hSLE1 antibody
    • PD 1 antibody
    • PD-1 antibody
    • PD1 antibody
    • PDCD 1 antibody
    • PDCD1 antibody
    • PDCD1_HUMAN antibody
    • Programmed cell death 1 antibody
    • Programmed cell death 1 protein antibody
    • Programmed cell death protein 1 antibody
    • Protein PD 1 antibody
    • Protein PD-1 antibody
    • SLEB2 antibody
    • Systemic lupus erythematosus susceptibility 2 antibody
    see all


  • IHC image of PD1 staining in a section of formalin-fixed paraffin-embedded normal human tonsil*.

    The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6) in a Dako Pascal pressure cooker using the standard factory-set regime. Non-specific protein-protein interactions were then blocked in TBS containing 0.025% (v/v) Triton X-100, 0.3M (w/v) glycine and 1% (w/v) BSA for 1h at room temperature.  The section was then incubated overnight at +4°C in TBS containing 0.025% (v/v) Triton X-100 and 1% (w/v) BSA with ab201825 at 1/100 dilution (shown in red) and counterstained using ab195887, Mouse monoclonal to alpha Tubulin (Alexa Fluor® 488), at 1/250 dilution (shown in green). Nuclear DNA was labelled with DAPI (shown in blue). The section was then mounted using Fluoromount®.

    Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

    For other IHC staining systems (automated and non-automated), customers should optimize variable parameters such as antigen retrieval conditions, antibody concentrations and incubation times.

    *Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre.


ab201825 has not yet been referenced specifically in any publications.

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