CD45RA Antibody
CD45RA is an isoform of the human leukocyte common antigen (CD45) . Human CD45 contains three exons which encode peptide segments designated A, B and C, respectively. The differential splicing of the exons generates at least five isoforms, ABC, AB, BC, B and O. This antibody reacts with ABC and BC isoforms. CD45RA is expressed on 40-50% of peripheral CD4+ T-cells, 50% of peripheral CD8+ T-cells, B-cells, and leukemic B-cell lines. T-cells expressing CD45RA are naive or virgin T-cells. T-cells expressing CD45RO are memory T-cells. CD45RA and CD45RO define complementary, predominantly non-overlapping populations of resting peripheral T-cells. This MAb is useful in study on the subpopulation of CD4+ or CD8+ T-cells. It can especially be used to differentiate T-cell lymphomas (CD45RO +ve) from B cell lymphomas (CD45RA +ve) .
Product Specifications
CAS Number
9007-83-4
Specifications
Western blot: 1-2 µg/mL, Immunohistochemistry (FFPE) : 1-2 µg/mL for 30 min at RT (1) (2)
UniProt
P08575
Host
Mouse
Reactivity
Human
Immunogen
Stimulated human leukocytes were used as immunogen for this CD45RA antibody.
Clonality
Monoclonal
Isotype
IgG1 k
Clone
SPM504
Applications
WB, IHC-P
Purity
Protein G affinity chromatography
Format
Purified
Buffer
1 mg/ml in 1X PBS; BSA free, sodium azide free
Reconstitution
The CD45RA antibody (with azide) can be stored at 2-8oC. The azide-free format should be aliquoted and stored at -20oC or colder.
Limitations
This CD45RA antibody is available for research use only.
Storage Conditions
The CD45RA antibody (with azide) can be stored at 2-8°C. The azide-free format should be aliquoted and stored at -20°C or colder.
Formulation
1 mg/mL in 1X PBS; BSA free, sodium azide free
Location
Cell surface
Image Legend
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