CD45 Antibody (PD7/26/16 and 2B11)


Immunohistochemistry: CD45 Antibody (PD7/26/16 and 2B11)[NB120-875]- Formalin fixed paraffin embedded human tonsil stained with CD45, LCA antibody

Product Details

Reactivity HuSpecies Glossary
Applications IHC, IHC-Fr, IHC-P
PD7/26/16 and 2B11
Please see the vial label for concentration. If unlisted please contact technical services.

Order Details

CD45 Antibody (PD7/26/16 and 2B11) Summary

BALB/C mice were immunized with human peripheral blood
lymphocytes to raise clone PD7/26/16 and with isolated neoplastic cells from T cell lymphoma to raise clone 2B11.
Type I membrane protein.
The human leukocyte common antigen is a family of five or more high molecular weight glycoproteins of MW 180, 190, 205 and 220 kD, present on the surface of the majority of human leucocytes. This labels lymphoid cells. This antibody labels lymphoid cells. It labels neoplastic B and T cells in non-Hodgkin's lymphoma and in leukemias of B and T cell types.
IgG1 Kappa
Protein A or G purified
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Packaging, Storage & Formulations

Store at 4C. Do not freeze.
Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.
Protein A or G purified


Application Notes
This antibody has been pretitered and quality controlled to work on formalin-fixed paraffin-embedded as well as acetone fixed cryostat tissue sections. No further titration is required. We suggest an incubation period of 60 minutes at room temperature. However, depending upon the fixation conditions and the staining system employed, optimal incubation should be determined by the user.

Reactivity Notes

Cross-reacts with Human.Not yet tested in other species.


This product has a prediluted size available. If a 6mL or 7mL pre-diluted size is purchased this product can be used Neat (without further dilution). Use recommended dilution for the concentrated vials only.

Alternate Names for CD45 Antibody (PD7/26/16 and 2B11)

  • B220
  • CD45 antigen
  • CD45
  • CD45R
  • EC
  • LCA
  • L-CA
  • LY5
  • protein tyrosine phosphatase, receptor type, C
  • receptor-type tyrosine-protein phosphatase C
  • T200 Glycoprotein
  • T200 leukocyte common antigen
  • T200receptor type, c polypeptide


CD45 is a family of single chain transmembraneous glycoproteins consisting of at least four isoforms (220, 205, 190, 180 kDa) which share a common large intracellular domain. Their extracellular domains are heavily glycosylated. The different isoforms are produced by alternative messenger RNA splicing of three exons of a single gene on chromosome 1. CD45 is expressed on cells of the human hematopoietic lineage (including hematopoietic stem cells) with the exception of mature red cells. It is not detected on differentiated cells of other tissues. It is likely that CD45 plays an important role in signal transduction, inhibition or upregulation of various immunological functions. Antibodies recognising a common epitope on all of the isoforms are termed CD45 whilst those recognising only individual isoforms are termed CD45RA or CD45RO etc.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for CD45 Antibody (NB120-875). (Showing 1 - 2 of 2 FAQ).

  1. We are interested in CD45 antibodies that could react with dog, please let me know which products in your catalog you would recommend.
    • I would recommend one of these CD45 antibodies to you, as these have all been validated for use with dog/canine samples.
  2. We would like to order a CD45 antibody to stain immune cells that were isolated from a ligated sciatic nerve of mice with double immunofluorescence (using PFA-fixed tissue on slides). Which of the following rat monoclonal CD45 antibodies would you recommend: 30-F11, IBL-3/16 or 5C16?
    • I would recommend clone 30-F11. As clone IBL-3/16 has not yet been validated for IHC-P application, we would not be able to guarantee its workability on PFA-fixed tissue. Although both other clones i.e. 30-F11 and 5C16, would be good for your samples, CD45 30-F11 # NB100-77417 is a well known clone that offers more flexibility around protocol because of availability of its conjugated forms. It would be advantageous to use a conjugated primary as you are planning for double-immunostaining procedure.

Positive Control Lysate(s)

Secondary Antibodies


Isotype Controls

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Blogs on CD45.

CD45 - Much more than just a housekeeping protein
CD45, also known as T200 or the Leukocyte Common Antigen (LCA), is encoded by the Protein Tyrosine Phosphatase Receptor type C (PTPRC) gene. The protein is expressed exclusively on cells of the haematopoietic system, and is one of the most abundant le...  Read full blog post.

CD45 Isoforms: Hematopoietic Differentiation, Cancer and Alzheimer's
CD45, also known as protein tyrosine phosphatase, receptor type, C (PTPRC), was originally known as common leukocyte antigen and is a signal transducer involved in many physiological processes such as growth and differentiation, cancer transformation,...  Read full blog post.

Vimentin Antibodies in Rheumatoid Arthritis & Cataracts Research
Vimentin is a 57kDa type III intermediate filament (IF) protein that is the major cytoskeletal component of mesenchymal cells and the first to be expressed during cell differentiation. It plays a significant role in supporting and anchoring the positi...  Read full blog post.

Antibodies In The Differential Diagnosis Of Undifferentiated Tumors
Immunohistochemical testing using antibody panels has a valuable role in cancer diagnosis. Some tumors, especially more malignant ones, tend to lose the appearance of the tissue of origin. However, knowing the tissue of origin assists the physician in...  Read full blog post.

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Gene Symbol PTPRC

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