Monoclonal anti CD45RA (PTPRC/1131)

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Catalog #: BNUB1131

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Category: Primary Antibodies.

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Product Description

Recognizes a protein of 205kDa-220kDa, identified as CD45RA. CD45RA is isoforms 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).

West, K.P., et al. 1986. The demonstration of B-cell, T-cell and myeloid antigens in paraffin sections. J. Pathol. 150: 89-101

Additional Information

Conjugation	Purified with BSA, 0.2 mg/mL, Purified, BSA-free, 1 mg/mL, CF405S, CF405M, CF488A, CF543, CF555, CF568, CF594, CF640R, CF647, CF660R, CF680, CF680R, CF770, Biotin, R-PE, APC, Per-CP, Alkaline Phosphatase, HRP
Size	50 uL, 100 uL, 250 uL, 500 uL
Supplied As	Purified: 0.2 mg/mL in PBS/0.05% BSA/0.05% azide, Purified, BSA-free: 1 mg/mL in PBS without azide, Conjugates: 0.1 mg/mL in PBS/0.1% BSA/0.05% azide, HRP conjugates: 0.1 mg/mL in PBS/0.05% BSA
Antibody type	Primary
Host species	Mouse
Reactivity (target)	CD45RA (PTPRC/1131)
Clonality	Monoclonal
Isotype	IgG1, kappa
Clone	PTPRC/1131
Molecular weight	205-220 kDa
Synonyms	B220, CD45R, GP180, Leukocyte common antigen (LCA), Loc, Ly-5, Lyt-4, Protein tyrosine phosphatase receptor type C (PTPRC), Receptor-type tyrosine-protein phosphatase C, T200 glycoprotein
Entrez gene ID	5788
SwissProt	P08575
Unigene	654514
Immunogen	Recombinant full-length human CD45RA protein
Species reactivity	Human
Applications	Flow cytometry, Immunofluorescence, Immunohistology (formalin)
Cellular localization	Cell surface
Application notes	Flow Cytometry (0.5-1 ug/million cells/0.1 mL), Immunofluorescence 1-2 ug/mL, Immunohistology formalin-fixed 0.5-1 ug/mL for 30 minutes at RT, Optimal dilution for a specific application should be determined by user, Staining of formalin-fixed tissues requires boiling tissue sections in 10 mM citrate buffer, pH 6.0, for 10-20 min followed by cooling at RT for 20 minutes
Positive control	Daudi, Raji, IM9 and human lymphocytes. Human lymph nodes and tonsils.

MSDS (PDF):MSDS Primary antibodies

Protocol (PDF): Protocols for antibody-based detection

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