Anti-PD1 antibody [EPR20665]
Rabbit monoclonal [EPR20665] to PD1
Product Details
- Cat. No.
- ab214421
- Type
- Primary Antibody
- Clonality
- Monoclonal
- Host
- Rabbit

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Reviews
Great and reliable
Antibody for flowcytometry
Very reliable and accurate antibody to measure target engagement and internalization of PD1
Review Date: 10 Dec 2025 | Abcam plc
Gives a significant result
Medicine
Good result.
Review Date: 11 Sept 2024 | Abcam plc
Reliable choice for various applications, including flow cytometry and immunohistochemistry.
Immunoassays
Abcam's PD-1 antibody has been instrumental in my research on immune checkpoint pathways. Its exceptional specificity and sensitivity make it a reliable choice for various applications, including flow cytometry and immunohistochemistry. The antibody consistently delivers accurate results, enabling precise detection of PD-1 expression in diverse samples. Abcam's excellent technical support makes troubleshooting effortless, ensuring smooth experimentation. Overall, this antibody is indispensable for scientists investigating PD-1-mediated immune regulation.
Review Date: 11 Jun 2024 | Abcam plc
Specific to the target antigen.
Flow cytometry
One of the best providers for high quality antibodies.
Review Date: 22 Jun 2021 | Abcam plc
Performs without variability.
Immunohistochemistry
We have a few anti-PD1 antibodies from different companies, none of them give a specific staining. The ab214421 gives a specific staining.
Review Date: 30 Aug 2018 | Abcam plc
Applications
- Immunocytochemistry (ICC)
- Immunohistochemistry (Paraffin-Embedded Sections) (IHC (P))
- Western Blotting (WB)
Antibody Overview
About the company

Abcam plc
We make our own antibodies as well as sourcing other excellent products from a variety of suppliers. This means we are able to add 600-800 new products every month and ensures we bring customers the very best products available regardless of source.
Our products cover research areas such as Cancer, Cardiovascular, Chromatin and Nuclear Signaling, Immunology, Neuroscience, and Stem Cells, and includes a growing range of non-primary antibody products such as secondary antibodies, kits, proteins, peptides, and lysates.
Whether you buy online, by telephone, or fax, we want you to have the best experience from beginning to end. Our online search facility shows what we offer across all our product ranges, and our comprehensive datasheets provide you with all the essential information you need to make that important decision. We know information about applications and species, and supporting data such as references, images and reviews are crucial for you to find the right product, so as soon as we know something new about one of our products, we update our online datasheet.
We provide expert scientific support for all of our products to enable you to achieve the result you should expect (we have over 40 PhDs in-house to answer your queries). We guarantee that all products will work as described on our datasheets, or we will give you a replacement or refund.
We ship all around the world from our offices in the UK, US, Japan and Hong Kong, with next day delivery to most of Europe and North America. If, for any reason, an item is not in stock, we will keep you informed of your order and aim to get it to you as quickly as possible.
![Immunocytochemistry - Anti-PD1 antibody [EPR20665] (ab214421)](https://cdn.sanity.io/images/f5b6mtfn/antibodies-prod/9819d63c48609b37200d362637bebcf9ca82b9af-600x600.jpg?w=1080&q=75&fit=clip&auto=format)
![Immunocytochemistry - Anti-PD1 antibody [EPR20665] (ab214421)](https://cdn.sanity.io/images/f5b6mtfn/antibodies-prod/9819d63c48609b37200d362637bebcf9ca82b9af-600x600.jpg?w=256&q=75&fit=clip&auto=format)
![Immunocytochemistry - Anti-PD1 antibody [EPR20665] (ab214421)](https://cdn.sanity.io/images/f5b6mtfn/antibodies-prod/9819d63c48609b37200d362637bebcf9ca82b9af-600x600.jpg?w=3840&q=75&fit=clip&auto=format)