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AB264558

Anti-CD33 antibody [EPR23052-5]

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Rabbit Recombinant Monoclonal CD33 antibody. Suitable for IP, Flow Cyt and reacts with Human samples.

View Alternative Names

CD33, SIGLEC3, Myeloid cell surface antigen CD33, Sialic acid-binding Ig-like lectin 3, gp67, Siglec-3

3 Images
Flow Cytometry - Anti-CD33 antibody [EPR23052-5] (AB264558)
  • Flow Cyt

Unknown

Flow Cytometry - Anti-CD33 antibody [EPR23052-5] (AB264558)

Flow cytometric analysis of Jurkat (Human T cell leukemia T lymphocyte, Left) / THP-1 (Human monocytic leukemia monocyte, Right) cells labelling CD33 with ab264558 at 1/50 compared with a Rabbit monoclonal IgG (ab172730) / Black isotype control and an unlabelled control (cells without incubation with primary antibody and secondary antibody) (Blue).

Goat anti rabbit IgG (Alexa Fluor®488, ab150077) at 1/2000 dilution was used as the secondary antibody.

Gated on viable cells.

Negative control : Jurkat (PMID : 30519686).

Flow Cytometry - Anti-CD33 antibody [EPR23052-5] (AB264558)
  • Flow Cyt

Unknown

Flow Cytometry - Anti-CD33 antibody [EPR23052-5] (AB264558)

Flow cytometric analysis of Human peripheral blood mononuclear cell (PBMC) cells labelling CD33 with ab264558 at 1/50 (Right) compared with a Rabbit monoclonal IgG (ab172730) isotype control (Left).

Goat anti rabbit IgG (Alexa Fluor® 488, ab150077) at 1/2000 dilution was used as the secondary antibody.

Cells were stained with rabbit IgG (Left) or ab264558 (Right). Then stained with anti-CD14 conjugated to Alexa Fluor® 647 (PMID : 26468886).

Gated on viable cells.

Immunoprecipitation - Anti-CD33 antibody [EPR23052-5] (AB264558)
  • IP

Unknown

Immunoprecipitation - Anti-CD33 antibody [EPR23052-5] (AB264558)

CD33 was immunoprecipitated from 0.35 mg THP-1 (Human monocytic leukemia monocyte) whole cell lysate 10ug with ab264558 at 1/30 dilution (2ug in 0.35mg lysates). Western blot was performed on the immunoprecipitate using ab264558 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366) was used at 1/5000 dilution. Lane 1 : THP-1 (Human monocytic leukemia monocyte) whole cell lysate 10ug

Lane 2 : ab264558 IP in THP-1 whole cell lysate

Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab264558 in THP-1 whole cell lysate

Blocking and dilution buffer and concentration : 5% NFDM/TBST.

Exposure time : 3 min

All lanes:

Immunoprecipitation - Anti-CD33 antibody [EPR23052-5] (ab264558)

Predicted band size: 40 kDa

Observed band size: 75 kDa

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  • Carrier free

    Anti-CD33 antibody [EPR23052-5] - BSA and Azide free (Detector)

  • Carrier free

    Anti-CD33 antibody [EPR23052-5] - BSA and Azide free

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-CD33 antibody[EPR23052-5]

  • Biotin

    Biotin Anti-CD33 antibody [EPR23052-5] (Detector)

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR23052-5

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

IP, Flow Cyt

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IP" : {"fullname" : "Immunoprecipitation", "shortname":"IP"}, "FlowCyt" : {"fullname" : "Flow Cytometry", "shortname":"Flow Cyt"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IP-species-checked": "testedAndGuaranteed", "IP-species-dilution-info": "1/30", "IP-species-notes": "<p></p>", "FlowCyt-species-checked": "testedAndGuaranteed", "FlowCyt-species-dilution-info": "1/50", "FlowCyt-species-notes": "<p></p>", "WB-species-checked": "notRecommended", "WB-species-dilution-info": "", "WB-species-notes": "<p></p>", "IHCP-species-checked": "notRecommended", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>", "ICCIF-species-checked": "notRecommended", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>" }, "Mouse": { "IP-species-checked": "notRecommended", "IP-species-dilution-info": "", "IP-species-notes": "", "FlowCyt-species-checked": "notRecommended", "FlowCyt-species-dilution-info": "", "FlowCyt-species-notes": "", "WB-species-checked": "notRecommended", "WB-species-dilution-info": "", "WB-species-notes": "<p></p>", "IHCP-species-checked": "notRecommended", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>", "ICCIF-species-checked": "notRecommended", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "" }, "Rat": { "IP-species-checked": "notRecommended", "IP-species-dilution-info": "", "IP-species-notes": "", "FlowCyt-species-checked": "notRecommended", "FlowCyt-species-dilution-info": "", "FlowCyt-species-notes": "", "WB-species-checked": "notRecommended", "WB-species-dilution-info": "", "WB-species-notes": "<p></p>", "IHCP-species-checked": "notRecommended", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>", "ICCIF-species-checked": "notRecommended", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "" } } }
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Product details

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.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.01% Sodium azide Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Sialic-acid-binding immunoglobulin-like lectin (Siglec) that plays a role in mediating cell-cell interactions and in maintaining immune cells in a resting state (PubMed : 10611343, PubMed : 11320212, PubMed : 15597323). Preferentially recognizes and binds alpha-2,3- and more avidly alpha-2,6-linked sialic acid-bearing glycans (PubMed : 7718872). Upon engagement of ligands such as C1q or syalylated glycoproteins, two immunoreceptor tyrosine-based inhibitory motifs (ITIMs) located in CD33 cytoplasmic tail are phosphorylated by Src-like kinases such as LCK (PubMed : 10887109, PubMed : 28325905). These phosphorylations provide docking sites for the recruitment and activation of protein-tyrosine phosphatases PTPN6/SHP-1 and PTPN11/SHP-2 (PubMed : 10206955, PubMed : 10556798, PubMed : 10887109). In turn, these phosphatases regulate downstream pathways through dephosphorylation of signaling molecules (PubMed : 10206955, PubMed : 10887109). One of the repressive effect of CD33 on monocyte activation requires phosphoinositide 3-kinase/PI3K (PubMed : 15597323).
See full target information CD33
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

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