- Clone
- NAT105 (See other available formats)
- Regulatory Status
- RUO
- Other Names
- PD1, PDCD1
- Isotype
- Mouse IgG1, κ
- Ave. Rating
- Submit a Review
- Product Citations
- publications
Programmed cell death 1 (PD-1), also known as CD279, is a 55 kD member of the immunoglobulin superfamily. CD279 contains the immunoreceptor tyrosine-based inhibitory motif (ITIM) in the cytoplasmic region and plays a key role in peripheral tolerance and autoimmune diseases. CD279 is expressed predominantly on activated T cells, B cells, and myeloid cells. PD-L1 (B7-H1, CD274) and PD-L2 (B7-DC, CD273) are ligands of CD279 (PD-1) and are members of the B7 gene family. Evidence suggests overlapping functions for these two PD-1 ligands and their constitutive expression on some normal tissues and upregulation on activated antigen-presenting cells. The interaction with CD279 ligands results in inhibition of T cell proliferation and cytokine secretion.
Product DetailsProduct Details
- Verified Reactivity
- Human
- Antibody Type
- Monoclonal
- Host Species
- Mouse
- Immunogen
- YT cell line.
- Formulation
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide
- Preparation
- The antibody was purified by affinity chromatography and conjugated with Spark Red™ 718 under optimal conditions.
- Concentration
- 0.2 mg/mL
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
- Application
-
FC
- Recommended Usage
-
Flexi-Fluors™ are provided at a standard 0.2 mg/mL concentration. We recommend titrating this reagent to determine the optimal concentration for each application. For many flow cytometry applications, conjugated antibodies perform well at concentrations ranging from 0.03 to 1.0 µg per million cells in 100 µL. We recommend testing a range of concentrations starting from 10 µg/mL.
For example, make five 1:1 serial dilutions of the 0.2 mg/mL antibody. Add 5 µL of each dilution (including the undiluted antibody) to 100 µL of cells (at 107 cells/mL) to test six concentrations -- 1.0, 0.5, 0.25, 0.125, 0.06, and 0.03 µg per million cells in 100 µL volume. Compare staining patterns or create a titration curve using the MFI or staining index to determine the optimal concentration. - Excitation Laser
-
Red Laser (633 nm)
- Application Notes
-
Additional reported applications (for the relevant formats of this clone) include: immunofluorescence staining.
We recommend using our Ultra Streptavidin (USA) HRP Detection Kit (Multi-Species, DAB) (Cat. No. 929501). - Additional Product Notes
-
For more information about Flexi-Fluors™, visit our Flexi-Fluor™ page and review FAQs associated with this product line.
-
Application References
(PubMed link indicates BioLegend citation) -
- Roncador G, et al. 2007. Haematologica 92:1059.
- Nam-Cha SH, et al. 2008. Am. J. Surg. Pathol. 32:1252.
- Rodriguez-Pinilla SM, et al. 2009. Am. J. Surg. Pathol. 33:81.
- RRID
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AB_3106351 (BioLegend Cat. No. 285096)
Antigen Details
- Structure
- 55 kD type I transmembrane protein.
- Distribution
-
Transiently expressed on CD4- and CD8- thymocytes, upregulated in thymocytes and splenic T and B lymphocytes, and is expressed on activated myeloid cells.
- Function
- Signaling, co-stimulation (co-inhibition), immunoglobulin superfamily.
- Interaction
- SHP-1 and SHP-2.
- Ligand/Receptor
- PD-L1 (CD274) and PD-L2 (CD273).
- Cell Type
- B cells, T cells, Thymocytes, Tregs
- Biology Area
- Cancer Biomarkers, Immunology, Inhibitory Molecules
- Molecular Family
- CD Molecules, Immune Checkpoint Receptors
- Antigen References
-
1. Francisco LM, Sage PT, and Sharpe AH. 2010. Immunological Rev. 236:219.
- Gene ID
- 5133 View all products for this Gene ID
- UniProt
- View information about CD279 on UniProt.org
Related FAQs
- What are Flexi-Fluors?
-
Flexi-Fluors are rapidly made-to-order conjugated antibodies. The technology, manufacturing processes, and specifications used to create Flexi-Fluors are the same as our regular catalog products. However, the optimal concentration and performance of each Flexi-Fluor must be determined by the customer.
- How quickly will I receive my order?
-
We aim to ship Flexi-Fluors within 2-3 weeks of receipt of your order. However, depending on your location, shipping times may vary.
- How are Flexi-Fluors different from regular catalog products?
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Flexi-Fluors are made on demand, specifically for you. Flexi-Fluors are manufactured using the same high-quality standards, and specifications as other catalog products. For faster delivery, Flexi-Fluors are not tested by flow cytometry to determine optimal concentrations or evaluate performance. This testing needs to be performed by the customer.
- How do I determine the optimal concentration for using my Flexi-Fluor? How should I titrate my antibody?
-
Flexi-Fluors are provided at a standard 0.2 mg/mL concentration. We recommend that you titrate your antibody to determine the optimal concentration to use for your application. For many flow cytometry applications, conjugated antibodies perform well at concentrations ranging from 0.03 to 1.0 µg per million cells in 100 µL volume. We recommend that you test a range of concentrations starting from 10 µg/mL.
For example, make five 1:1 serial dilutions of your 0.2 mg/mL antibody. Add 5 µL of each dilution (including the undiluted antibody) to 100 µL of cells (at 107 cells/ml) to test six concentrations - 1.0, 0.5, 0.25, 0.125, 0.06, and 0.03 µg per million cells in 100 µL volume. Compare staining patterns or create a titration curve using the MFI or staining index to determine the optimal concentration.
- I can’t find the antibody-dye combination that I need. When will it be available?
-
We continuously update our catalog, introducing scores of new products every month. Please get in touch with our Technical Service team for an update on new products or recommendations for suitable alternatives to complete your panel. Or contact Custom Solutions to inquire about our affordable custom conjugation services.
- I need help to validate the performance of my Flexi-Fluor. Who should I contact?
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Please get in touch with Technical Service for assistance.
- Can I order more than 50 μg of a Flexi-Fluor?
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Yes, you can order multiple vials of the same Flexi-Fluor products. We cannot guarantee, however, that these vials will be bottled from the same lot. For bulk single-lot orders, contact our Custom Solutions team.
- What is the expiration date of my Flexi-Fluor?
-
Expiration dates can be found on the vial label or by using our CoA lookup tool.
Other Formats
View All CD279 Reagents Request Custom ConjugationCompare Data Across All Formats
This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.
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Purified anti-human CD279 (PD-1)
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PE anti-human CD279 (PD-1)
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APC anti-human CD279 (PD-1)
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Alexa Fluor® 488 anti-human CD279 (PD-1)
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PerCP/Cyanine5.5 anti-human CD279 (PD-1)
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PE/Cyanine7 anti-human CD279 (PD-1)
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FITC anti-human CD279 (PD-1)
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APC/Cyanine7 anti-human CD279 (PD-1)
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Alexa Fluor® 647 anti-human CD279 (PD-1)
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Biotin anti-human CD279 (PD-1)
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Brilliant Violet 510™ anti-human CD279 (PD-1)
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Brilliant Violet 421™ anti-human CD279 (PD-1)
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Brilliant Violet 711™ anti-human CD279 (PD-1)
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Brilliant Violet 785™ anti-human CD279 (PD-1)
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Brilliant Violet 605™ anti-human CD279 (PD-1)
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Brilliant Violet 650™ anti-human CD279 (PD-1)
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PE/Dazzle™ 594 anti-human CD279 (PD-1)
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TotalSeq™-Bn1303 anti-human CD279 (PD-1)
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PE anti-human CD279
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Spark Red™ 718 anti-human CD279 (PD-1) (Flexi-Fluor™)
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