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CD19 Rabbit mAb (A19013)

Tested applications:WB IHC-P IF/ICC IP ChIP ChIP-seq RIP FC FC(Intra)ELISA MeDIP Nucleotide Array DB FACS CoIP CUT&Tag meRIP InhibitionReactivity:Human

Western blot analysis of lysates from Raji cells using CD19 Rabbit mAb (A19013) at 1:1000 dilution.
Secondary antibody: HRP-conjugated Goat anti-Rabbit IgG (H+L) (AS014) at 1:10000 dilution.
Lysates/proteins: 25μg per lane.
Blocking buffer: 3% nonfat dry milk in TBST.
Detection: ECL Enhanced Kit (RM00021).
Exposure time: 3min.

ABclonal:Immunohistochemistry - CD19 Rabbit mAb (A19013)

Immunohistochemistry analysis of paraffin-embedded Human B-cell lymphoma（200X） using CD19 Rabbit mAb (A19013) at dilution of 1:200 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining.

Immunohistochemistry analysis of paraffin-embedded Human B-cell lymphoma（400X） using CD19 Rabbit mAb (A19013) at dilution of 1:200 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining.

Immunohistochemistry analysis of paraffin-embedded Human tonsil（200X） using CD19 Rabbit mAb (A19013) at dilution of 1:200 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining.

Immunohistochemistry analysis of paraffin-embedded Human tonsil using CD19 Rabbit mAb (A19013) at dilution of 1:200 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining.

ABclonal:Immunofluorescence - CD19 Rabbit mAb (A19013)

Confocal imaging of paraffin-embedded Human tonsil tissue using CD19 Rabbit mAb (A19013, dilution 1:200) followed by a further incubation with Cy3 Goat Anti-Rabbit IgG (H+L) (AS007, dilution 1:500) (Red). DAPI was used for nuclear staining (Blue). Objective: 40x. Perform high pressure antigen retrieval with 0.01 M citrate buffer (pH 6.0) prior to IF staining.

Overview

Product name	CD19 Rabbit mAb
Catalog No.	A19013
Host species	Rabbit
Purification method	Affinity purification
Isotype	IgG
CloneNo.	ARC0418

Background

This gene encodes a member of the immunoglobulin gene superfamily. Expression of this cell surface protein is restricted to B cell lymphocytes. This protein is a reliable marker for pre-B cells but its expression diminishes during terminal B cell differentiation in antibody secreting plasma cells. The protein has two N-terminal extracellular Ig-like domains separated by a non-Ig-like domain, a hydrophobic transmembrane domain, and a large C-terminal cytoplasmic domain. This protein forms a complex with several membrane proteins including complement receptor type 2 (CD21) and tetraspanin (CD81) and this complex reduces the threshold for antigen-initiated B cell activation. Activation of this B-cell antigen receptor complex activates the phosphatidylinositol 3-kinase signalling pathway and the subsequent release of intracellular stores of calcium ions. This protein is a target of chimeric antigen receptor (CAR) T-cells used in the treatment of lymphoblastic leukemia. Mutations in this gene are associated with the disease common variable immunodeficiency 3 (CVID3) which results in a failure of B-cell differentiation and impaired secretion of immunoglobulins. CVID3 is characterized by hypogammaglobulinemia, an inability to mount an antibody response to antigen, and recurrent bacterial infections. Alternative splicing results in multiple transcript variants encoding distinct isoforms.

Immunogen information

Immunogen	A synthetic peptide corresponding to a sequence within amino acids 457-556 of human CD19 (NP_001761.3).
Sequence	NAESYENEDEELTQPVARTMDFLSPHGSAWDPSREATSLGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADSYENMDNPDGPDPAWGGGGRMGTWSTR
Gene ID
Swiss Prot
Synonyms	B4; CVID3; CD19
Calculated MW	61kDa
Observed MW	95kDa

Applications

Reactivity	Human
Tested applications	WB IHC-P IF/ICC IP ChIP ChIP-seq RIP FC FC(Intra)ELISA MeDIP Nucleotide Array DB FACS CoIP CUT&Tag meRIP Inhibition
Recommended dilution	WB 1:1000 - 1:2000 IHC-P 1:200 - 1:800 IF/ICC 1:200 - 1:800 ELISA Recommended starting concentration is 1 μg/mL. Please optimize the concentration based on your specific assay requirements.
Storage buffer	Store at -20℃. Avoid freeze / thaw cycles. Buffer: PBS with 0.05% proclin300, 0.05% BSA, 50% glycerol, pH7.3.
Key application	Western blotting Immunohistochemistry Immunofluorescence
Positive samples	Raji
Cellular location	Membrane, Single-pass type I membrane protein.
Customer validation	IHC(Homo sapiens, Ovis aries) IF(Mus musculus, Homo sapiens) WB(Mus musculus)