Anti-CD19 Antibody Picoband™

Product Name

Anti-CD19 Antibody Picoband™

View all CD19 Antibodies

SKU/Catalog Number

A00154-2

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-CD19 Antibody Picoband™ catalog # A00154-2. Tested in ELISA, WB applications. This antibody reacts with Human, Mouse, Rat.

Storage & Handling

Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.

Cite This Product

Anti-CD19 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00154-2)

Host

Rabbit

Contents

Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na₂HPO₄, 0.05mg NaN₃.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E. coli-derived mouse CD19 recombinant protein (Position: R19-M237).

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins.

Reactive Species

A00154-2 is reactive to CD19 in Human, Mouse, Rat

Applications

A00154-2 is guaranteed for ELISA, WB Boster Guarantee

Observed Molecular Weight

85 kDa

Calculated molecular weight

61.128kDa

Background of CD19

B-lymphocyte antigen CD19, also known as CD19 (Cluster of Differentiation 19), is a protein that in humans is encoded by the CD19 gene. It is found on the surface of B-cells, a type of white blood cell. Lymphocytes proliferate and differentiate in response to various concentrations of different antigens. The ability of the B cell to respond in a specific, yet sensitive manner to the various antigens is achieved with the use of low-affinity antigen receptors. The CD19 gene encodes a cell surface molecule that assembles with the antigen receptor of B lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconsitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.1-0.5μg/ml
Direct ELISA, 0.1-0.5μg/ml

Validation Images & Assay Conditions

Click image to see more details

Figure 1. Western blot analysis of CD19 using anti-CD19 antibody (A00154-2).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.
Lane 1: rat spleen tissue lysates,
Lane 2: rat thymus tissue lysates,
Lane 3: mouse spleen tissue lysates,
Lane 4: mouse thymus tissue lysates,
Lane 5: human K562 whole cell lysates,
Lane 6: human 22RV1 whole cell lysates.
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-CD19 antigen affinity purified polyclonal antibody (Catalog # A00154-2) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for CD19 at approximately 85KD. The expected band size for CD19 is at 61KD.

Gene/Protein Information For CD19 (Source: Uniprot.org, NCBI)

Alternative Names

B4; B-lymphocyte antigen CD19; B-lymphocyte surface antigen B4; CD19 antigen; CD19 molecule; CD19; CVID3; Differentiation antigen CD19; Leu-12; MGC12802; T-cell surface antigen Leu-12 CD19 B4, CVID3 CD19 molecule B-lymphocyte antigen CD19|B-lymphocyte surface antigen B4|T-cell surface antigen Leu-12|differentiation antigen CD19

For more info on CD19, check out the CD19 Infographic

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In this infographic, you will see the following information for CD19: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].

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