Anti-CD19 antibody [RM1166]
- BOND RX™ Validated
- Recombinant
- RabMAb
- Lab Essentials
- 20ul selling size
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Rabbit Recombinant Multiclonal CD19 antibody. Suitable for IHC-P, WB, IP, ICC/IF, IHC-Fr and reacts with Human, Mouse samples.
View Alternative Names
CD19, B-lymphocyte antigen CD19, B-lymphocyte surface antigen B4, Differentiation antigen CD19, T-cell surface antigen Leu-12
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of paraffin-embedded Human cardiac muscle tissue labeling CD19 with ab317335 at 1/200 (2.585 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Negative control : no staining on human cardiac muscle. The section was incubated with ab317335 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument
Counterstained with Hematoxylin.
Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of paraffin-embedded Human tonsil tissue labeling CD19 with ab317335 at 1/200 (2.585 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Positive staining on human tonsil. The section was incubated with ab317335 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument
Counterstained with Hematoxylin.
Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of paraffin-embedded Human spleen tissue labeling CD19 with ab317335 at 1/200 (2.585 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Positive staining on human spleen. The section was incubated with ab317335 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument
Counterstained with Hematoxylin.
Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins
- ICC/IF
Supplier Data
Immunocytochemistry/ Immunofluorescence - Anti-CD19 antibody [RM1166] (AB317335)
Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Tween-20 permeabilized Raji (human Burkitt's lymphoma B lymphocyte) cells labelling CD19 with ab317335 at 1/100 (5.17 ug/ml) dilution, followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 2 ug/ml dilution (Green).
Confocal image showing membranous staining in Raji cell line (shown in green). The counterstain was observed in magenta. Nuclear DNA was labeled with DAPI (shown in blue).
Negative control : Jurkat (PMID : 29928472).
Image was taken with a confocal microscope(Leica-Microsystems, TCS SP8).
ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 2.5ug/ml dilution (Magenta). The Nuclear counterstain was DAPI (Blue).
Secondary antibody only control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 2 ug/ml dilution.
- IP
Supplier Data
Immunoprecipitation - Anti-CD19 antibody [RM1166] (AB317335)
CD19 was immunoprecipitated from 0.35 mg Raji (human Burkitt's lymphoma B lymphocyte) whole cell lysate with ab317335 at 1/30 dilution (2ug in 0.35mg lysates). Western blot was performed on the immunoprecipitate using ab317335 at 1/1000 dilution. VeriBlot for IP secondary antibody(HRP)(ab131366) was used at 1/5000 dilution.
Lane 1 : Raji (human Burkitt's lymphoma B lymphocyte) whole cell lysate
Lane 2 : ab317335 IP in Raji (human Burkitt's lymphoma B lymphocyte) whole cell lysate
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab317335 in Raji whole cell lysate
Blocking and diluting buffer and concentration : 5% NFDM/TBST
All lanes:
Immunoprecipitation - Anti-CD19 antibody [RM1166] (ab317335) at 1/30 dilution
Lane 1:
Raji (human Burkitt's lymphoma B lymphocyte) whole cell lysate
Lane 2:
ab317335 IP in Raji (human Burkitt's lymphoma B lymphocyte) whole cell lysate
Secondary
All lanes:
Immunoprecipitation - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>) at 1/5000 dilution
false
Exposure time: 41s
- IHC-Fr
Supplier Data
Immunohistochemistry (Frozen sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of 4% PFA-fixed, 0.2% Triton X-100 permeabilized frozen Mouse spleen (fresh frozen) tissue labeling CD19 with ab317335 at 1/50 (10.34 ug/ml) dilution followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 2 ug/mL dilution (Green).
Confocal image showing positive staining on mouse spleen. The nuclear counterstain was DAPI (Blue). The section was incubated with ab317335 for 60 mins at room temperature. The section was then mounted using Fluoromount®.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).
Secondary antibody control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbedat 1/1000 2 ug/mL dilution.
- IHC-Fr
Supplier Data
Immunohistochemistry (Frozen sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of 4% PFA-fixed, 0.2% Triton X-100 permeabilized frozen Mouse heart (fresh frozen) tissue labeling CD19 with ab317335 at 1/50 (10.34 ug/ml) dilution followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 2 ug/mL dilution (Green).
Negative control : confocal image showing no staining on mouse heart. The nuclear counterstain was DAPI (Blue). The section was incubated with ab317335 for 60 mins at room temperature. The section was then mounted using Fluoromount®.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).
Secondary antibody control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbedat 1/1000 2 ug/mL dilution.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of paraffin-embedded Mouse spleen tissue labeling CD19 with ab317335 at 1/500 (1.034 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Positive staining on mouse spleen. The section was incubated with ab317335 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument
Counterstained with Hematoxylin.
Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD19 antibody [RM1166] (AB317335)
Immunohistochemical analysis of paraffin-embedded Mouse cardiac tissue labeling CD19 with ab317335 at 1/500 (1.034 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Negative control : no staining on mouse cardiac muscle. The section was incubated with ab317335 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument
Counterstained with Hematoxylin.
Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins
- ICC/IF
Supplier Data
Immunocytochemistry/ Immunofluorescence - Anti-CD19 antibody [RM1166] (AB317335)
Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Tween-20 permeabilized WEHI-231(mouse B cell lymphoma B lymphocyte) cells labelling CD19 with ab317335 at 1/100 (5.17 ug/ml) dilution, followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 2 ug/ml dilution (Green).
Confocal image showing membranous staining in WEHI-231cell line (shown in green). The counterstain was observed in magenta. Nuclear DNA was labeled with DAPI (shown in blue).
Negative control : CTLL-2.
Image was taken with a confocal microscope(Leica-Microsystems, TCS SP8).
ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 2.5ug/ml dilution (Magenta). The Nuclear counterstain was DAPI (Blue).
Secondary antibody only control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 2 ug/ml dilution.
- IP
Supplier Data
Immunoprecipitation - Anti-CD19 antibody [RM1166] (AB317335)
CD19 was immunoprecipitated from 0.35 mg WEHI-231 (mouse B cell lymphoma B lymphocyte) whole cell lysate with ab317335 at 1/30 dilution (2ug in 0.35mg lysates). Western blot was performed on the immunoprecipitate using ab317335 at 1/1000 dilution. VeriBlot for IP secondary antibody(HRP)(ab131366) was used at 1/5000 dilution.
Lane 1 : WEHI-231 (mouse B cell lymphoma B lymphocyte) whole cell lysate
Lane 2 : ab317335 IP in WEHI-231 (mouse B cell lymphoma B lymphocyte) whole cell lysate
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab317335 in WEHI-231 whole cell lysate
Blocking and diluting buffer and concentration : 5% NFDM/TBST
All lanes:
Immunoprecipitation - Anti-CD19 antibody [RM1166] (ab317335) at 1/30 dilution
Lane 1:
WEHI-231 (mouse B cell lymphoma B lymphocyte) whole cell lysate
Lane 2:
ab317335 IP in WEHI-231 (mouse B cell lymphoma B lymphocyte) whole cell lysate
Secondary
All lanes:
Immunoprecipitation - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>) at 1/5000 dilution
false
Exposure time: 84s
- WB
Supplier Data
Western blot - Anti-CD19 antibody [RM1166] (AB317335)
Blocking and diluting buffer and concentration : 5% NFDM/TBST
All lanes:
Western blot - Anti-CD19 antibody [RM1166] (ab317335) at 1/1000 dilution
Lane 1:
Untreated Raji whole cell lysate at 15 µg
Lane 2:
Raji whole cell lysate treated with Peptide:N-glycosidase F (PNGase F) at 15 µg
Secondary
All lanes:
Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution
Observed band size: 100 kDa,60-75 kDa
false
Exposure time: 103s
- WB
Supplier Data
Western blot - Anti-CD19 antibody [RM1166] (AB317335)
Negative control : CTLL-2 and Jurkat (PMID : 19147785).
The molecular weight observed is consistent with what has been described in the literature (PMID : 26516065; PMID : 14530327)
Blocking and diluting buffer and concentration : 5% NFDM/TBST
All lanes:
Western blot - Anti-CD19 antibody [RM1166] (ab317335) at 1/1000 dilution
Lane 1:
Raji (human Burkitts lymphoma B lymphocyte) whole cell lysate at 20 µg
Lane 2:
Daudi (human Burkitts lymphoma lymphoblast) whole cell lysate at 20 µg
Lane 3:
Ramos (human Burkitts lymphoma B lymphocyte) whole cell lysate at 20 µg
Lane 4:
NAMALWA (human Burkitts lymphoma B lymphocyte) whole cell lysate at 20 µg
Lane 5:
Jurkat (human T cell leukemia T lymphocyte from peripheral blood) whole cell lysate at 20 µg
Lane 6:
A20 (mouse reticum sarcoma B lymphocyte) whole cell lysate at 20 µg
Lane 7:
WEHI-231 (mouse B cell lymphoma B lymphocyte ) whole cell lysate at 20 µg
Lane 8:
CTLL-2 (mouse T lymphocyte) whole cell lysate at 20 µg
Lane 9:
Human tonsil tissue lysate at 20 µg
Lane 10:
Mouse spleen tissue lysate at 20 µg
Secondary
All lanes:
Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution
Observed band size: 60-120 kDa,36 kDa
false
Exposure time: 26s
Related conjugates and formulations (1)
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Anti-CD19 antibody [RM1166] - BSA and Azide free
Reactivity data
Product details
What are recombinant multiclonals?
Recombinant multiclonals are a mixture of recombinant antibodies co-expressed from a library of heavy and light chains. They offer several advantages including:
- - The sensitivity of polyclonal antibodies by recognising multiple epitopes
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free batch production
View our range of recombinant multiclonal antibodies.
Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
Properties and storage information
Form
Purification technique
Storage buffer
Shipped at conditions
Appropriate short-term storage duration
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Aliquoting information
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
CD19 acts as an essential player in B cell signaling. CD19 integrates signals from the BCR with other coreceptors acting as a signaling hub. It participates in forming a signaling complex that includes proteins like CD21 and CD81 which further amplifies BCR-mediated signaling. This complex plays a critical role in B cell activation differentiation and survival ensuring that immune responses are efficiently mounted against pathogens.
Pathways
The CD19 protein fits into key immune response pathways such as the BCR signaling pathway and the PI3K-Akt signaling pathway. CD19 collaborates with other proteins like CD21 CD81 and PI3K within these pathways. Its interaction in the PI3K-Akt pathway for instance supports critical processes including B cell activation and homeostasis contributing to the adaptive immune response.
Product protocols
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Target data
Additional targets
Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
For licensing inquiries, please contact partnerships@abcam.com