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AB320608

Alexa Fluor® 594 Anti-C4d antibody [SP91] - C-terminal

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Rabbit Recombinant Monoclonal C4b antibody - conjugated to Alexa Fluor® 594. Suitable for Antibody Labelling, Target Binding Affinity, IHC-P and reacts with Human samples.

View Alternative Names

CO4, CPAMD3, C4B_2, Complement C4-B, Basic complement C4, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 3

  • Carrier free

    Anti-C4d antibody [SP91] - BSA and Azide free

  • Unconjugated

    Anti-C4d antibody [SP91] - C-terminal

  • 660 APC

    APC Anti-C4d antibody [SP91] - C-terminal

  • 519 Alexa Fluor® 488

    Alexa Fluor® 488 Anti-C4d antibody [SP91] - C-terminal

  • 565 Alexa Fluor® 555

    Alexa Fluor® 555 Anti-C4d antibody [SP91] - C-terminal

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-C4d antibody [SP91] - C-terminal

  • 775 Alexa Fluor® 750

    Alexa Fluor® 750 Anti-C4d antibody [SP91] - C-terminal

  • 578 PE

    PE Anti-C4d antibody [SP91] - C-terminal

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

SP91

Isotype

IgG

Conjugation

Alexa Fluor® 594

Excitation/Emission

Ex: 590nm, Em: 617nm

Carrier free

No

Reacts with

Human

Applications

IHC-P, Antibody Labelling, Target Binding Affinity

applications

Immunogen

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

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Complementary Products

Assay Kits

AB277717

Human C4b ELISA Kit (Complement C4-B)

Recombinant|SimpleStep

ELISA - Human C4b ELISA Kit (Complement C4-B) (AB277717)

  • 0
  • 0
Secondary Antibodies

AB150077

Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488)

Immunocytochemistry/ Immunofluorescence - Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (AB150077)

  • 5
  • 20
Assay Kits

AB315320

Human C4a ELISA Kit

SimpleStep

Sandwich ELISA - Human C4a ELISA Kit (AB315320)

  • 0
  • 0
Primary Antibodies

AB4223

FITC Anti-C1q antibody

Immunocytochemistry - FITC Anti-C1q antibody (AB4223)

  • 4
  • 2
Primary Antibodies

AB32072

Anti-c-Myc antibody [Y69] - ChIP Grade

BOND RX™ Validated|KO Validated|RabMAb|Recombinant|Lab Essentials|20ul selling size|Advanced Validation

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-c-Myc antibody [Y69] - ChIP Grade (AB32072)

  • 4
  • 56
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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "AntibodyLabelling" : {"fullname" : "Antibody Labelling", "shortname":"Antibody Labelling"}, "TargetBindingAffinity" : {"fullname" : "Target Binding Affinity", "shortname":"Target Binding Affinity"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "AntibodyLabelling-species-checked": "guaranteed", "AntibodyLabelling-species-dilution-info": "", "AntibodyLabelling-species-notes": "", "TargetBindingAffinity-species-checked": "guaranteed", "TargetBindingAffinity-species-dilution-info": "", "TargetBindingAffinity-species-notes": "", "IHCP-species-checked": "guaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>" } } }
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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.

How are conjugated primary antibodies validated?
This conjugated primary antibody is released using a quantitative quality control method that evaluates binding affinity post-conjugation and efficiency of antibody labeling.
For suitable applications and species reactivity, please refer to the unconjugated version of this clone.

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% 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|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

C4d also known as the C4d complement is a degradation product of the complement component C4. It has a molecular weight of approximately 45 kDa. This protein is commonly expressed on the surfaces of endothelial cells in various tissues where it plays a role in the immune response. The presence of C4d on tissues is often detected using techniques like immunohistochemistry (IHC) also referred to as C4d IHC or C4d immunostain providing valuable insights into complement activation.
Biological function summary

The C4d protein acts as a marker for complement activation and is part of the larger complement cascade. C4d is primarily associated with the classical pathway and serves as an indicator of complement-mediated cell injury. The degradation of C4 into C4d is usually seen in immune responses where antibodies recognize antigens triggering sequence activation in the complement pathway. C4d's role as a marker facilitates the differentiation between antibody-mediated injury and other types of tissue damage.

Pathways

This complement protein gets involved in the classical pathway of the complement system which plays a critical role in innate and adaptive immunity. It is related to other proteins like C3 and C1q which are additional components within this pathway. These interactions are significant for the clearance of pathogens and also assist in enhancing the humoral immune response by promoting the deposition of complement on pathogenic surfaces.

C4d presence becomes particularly significant in conditions like transplant rejection and systemic lupus erythematosus (SLE). In transplant rejection its deposition on tissue samples might indicate antibody-mediated rejection where C4d binds to the tissue signaling an immune response against the transplanted organ. Additionally in SLE C4d's relation to other proteins such as C3 and C1q confirms its involvement in autoimmune responses where the immune system mistakenly targets the body's own tissues leading to chronic inflammation and damage.
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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

Precursor of non-enzymatic components of the classical, lectin and GZMK complement pathways, which consist in a cascade of proteins that leads to phagocytosis and breakdown of pathogens and signaling that strengthens the adaptive immune system.. Complement C4b-B. Non-enzymatic component of C3 and C5 convertases (By similarity). Generated following cleavage by complement proteases (C1S, MASP2 or GZMK, depending on the complement pathway), it covalently attaches to the surface of pathogens, where it acts as an opsonin that marks the surface of antigens for removal (By similarity). It then recruits the serine protease complement C2b to form the C3 and C5 convertases, which cleave and activate C3 and C5, respectively, the next components of the complement pathways (PubMed : 8538770). Complement C4b-B isotype catalyzes the transacylation of the thioester carbonyl group to form ester bonds with carbohydrate antigens, while C4b-A isotype is responsible for effective binding to form amide bonds with immune aggregates or protein antigens (PubMed : 8538770).. C4a anaphylatoxin. Putative humoral mediator released following cleavage by complement proteases (C1S, MASP2 or GZMK, depending on the complement pathway). While it is strongly similar to anaphylatoxins, its role is unclear. Was reported to act as a mediator of local inflammatory process; however these effects were probably due to contamination with C3a and/C5a anaphylatoxins in biological assays.
See full target information C4d
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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