CD25 Antibody
CD25, or interleukin 2 (IL2) receptor alpha (IL2RA), and beta (IL2RB) chains, together with the common gamma chain (IL2RG), constitute the high-affinity IL2 receptor. Homodimeric alpha chains (CD25) result in low-affinity receptor, while homodimeric beta (IL2RB) chains produce a medium-affinity receptor. Normally an integral-membrane protein, soluble CD25 has been isolated and determined to result from extracellular proteolysis. CD25 (the p55 chain of the interleukin-2 receptor) is a marker of activation for a number of cell types, including T cells, B cells, and macrophages. It also appears to be a reliable immunohistochemical marker for the discrimination of neoplastic from normal/reactive mast cells, with potential as a diagnostic tool in systemic mastocytosis. CD25 is also expressed on hairy cell leukemia.
Product Specifications
CAS Number
9000-83-3
Specifications
Immunohistochemistry (FFPE) : 1-2 µg/mL for 30 minutes at RT
UniProt
P01589
Host
Rabbit
Reactivity
Human
Immunogen
A recombinant partial protein (within amino acids 1-250) from the human protein was used as the immunogen for the CD25 antibody.
Clonality
Recombinant Monoclonal
Isotype
IgG κ
Clone
IL2RA/4375R
Type
Recombinant
Applications
IHC-P
Purity
Protein A/G affinity
Format
Purified
Buffer
0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide
Reconstitution
Aliquot the CD25 antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
Limitations
This CD25 antibody is available for research use only.
Storage Conditions
Aliquot the CD25 antibody and store frozen at -20°C or colder. Avoid repeated freeze-thaw cycles.
Formulation
0.2 mg/mL in 1X PBS with 0.1 mg/mL BSA (US sourced), 0.05% sodium azide
Applications Notes
Optimal dilution of the CD25 antibody should be determined by the researcher.
Location
Cell surface
Image Legend
SDS-PAGE analysis of purified, BSA-free CD25 antibody (clone IL2RA/4375R) as confirmation of integrity and purity.
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