CloneID: OX-22
Antigen Long Description: OX-22 was prepared by immunizing BALB/c mice with phytohemagglutinin-activated rat lymph node cells.
Buffer Composition: PBS with 0.02% Proclin 300.
Chimeric Use Statement: This chimeric rabbit antibody was made using the variable domain sequences of the original Mouse IgG1 format, for improved compatibility with existing reagents, assays and techniques.
Available Custom Conjugation Options: AP, HRP, Fluorescein, APC, PE, Biotin Type A, Biotin Type B, Streptavidin, FluoroProbes 647H, Atto488, APC/Cy7, PE/Cy7
Uniprot Accession No.: P04157
Specificity Statement: OX-22 binds specifically to the high molecular weight form of the leucocyte common antigen, CD45RC. OX-22 and OX-31 compete for binding but do not compete with OX-32. The antigen is expresssed on the surface of B cells, around half of bone marrow cells, all CD8+ve T cells, and is able to differentiate between CD4+CD45RChigh (Th1-like) and CD4+CD45RClow (Th2-like) cell types. CD45 extracellular domain is able to interact with a number of different proteins including CD4, TCR, CD2, Thy-1 and CD26. CD45 is important for signalling throguh the T cell receptor and in the selection of T and B lymphocytes.
Application Notes (Clone): OX-20 can be used for both FC and IHC (paraffin/frozen) studies. It can also be used to purify proteins by affinty-purification (Woolett et al. Eur J Immunol. 1985 Feb;15(2):168-73).
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