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AB253561

Human C3/C3b Antibody Pair - BSA and Azide free

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Human C3/C3b Antibody Pair - BSA and Azide free is a kit containing recombinant capture and detector antibodies in a carrier-free formulation for the measurement of Human C3/C3b.

View Alternative Names

CPAMD1, C3, Complement C3, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1

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Sandwich ELISA - Human C3/C3b Antibody Pair - BSA and Azide free (AB253561)
  • sELISA

Lab

Sandwich ELISA - Human C3/C3b Antibody Pair - BSA and Azide free (AB253561)

Sandwich ELISA of ab253561 with the capture antibody ab277656 dilution at 2 µg/mL and detector antibody ab277657 dilution at 0.5 µg/mL.

Key facts

Reacts with

Human

Assay type

ELISA set

Range

19.53 - 2500 pg/mL

Assay Platform

Reagents

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Reactivity data

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Product details

Human C3/C3b Antibody Pair is a matched pair of unconjugated recombinant rabbit monoclonal capture and detection antibodies used to quantify Human C3/C3b in sandwich ELISAs and many other pair-based applications.

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.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with <1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

The pair can be used in variety of assays and platforms including but not limited to:

  • Sandwich ELISA
  • FRET/TR-FRET/HTRF
  • Meso Scale Discovery® (MSD®)
  • Bead-based assays
  • AlphaLISA®/AlphaScreen®
  • DELFIA® immunoassays
  • Simoa® and Single Molecule Counting (SMC™) immunoassays
  • Multiplex

Our antibody pairs are supplied in a carrier-free format that is conjugation-ready:

  • Buffer free of BSA, sodium azide, and glycerol for higher conjugation efficiency.
  • Concentration of ~1 mg/ml as measured by the protein A280 method.

We can label antibodies for you: get in touch today to discuss how we can help accelerate your assay development with custom conjugation services.

Pairs are screened in biological samples, including plasma and serum, to ensure specificity in complex samples.

Please note:

The recommended antibody orientation is based on internal optimization in sandwich ELISA. Antibody orientation is assay dependent and needs to be optimized for each assay type.

The range provided for this antibody pair is based on initial sandwich ELISA validation data using recombinant protein. Performance and range of the antibody pair will depend on the specific characteristics of your assay, including standard protein selection.

We guarantee the product works in sandwich ELISA, but we do not guarantee the sensitivity or dynamic range of the antibodies in other assays.

Antibody properties:

Capture antibody: recombinant rabbit monoclonal (unconjugated) – 100 µg

Detector antibody: recombinant rabbit monoclonal (unconjugated) - 100 µg

Concentration: ~1 mg/ml

Storage buffer: 100% PBS

Form: Liquid

Isotype: IgG

Recombinant monoclonal antibodies offer several advantages including:

- High batch-to-batch consistency and reproducibility

- Improved sensitivity and specificity

- Long-term security of supply

- Animal-free production

Meso Scale Discovery and MSD are registered trademarks of Meso Scale Diagnostics, LLC.

AlphaLISA, AlphaScreen, and DELFIA are registered trademarks of PerkinElmer, Inc.

Simoa is a registered trademark of Quanterix, Inc.

SMC is a registered trademark of Merck KGaA, Darmstadt, Germany.

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What's included?

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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
+4°C
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Supplementary information

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

C3 also known as complement C3 or anti C3b is a central protein in the complement system with an approximate molecular mass of 187 kDa. This protein exists in blood plasma as an inactive precursor and is produced mainly in the liver. C3 gets activated through cleavage into two fragments C3a and C3b. The functional fragment C3b covalently attaches to pathogen surfaces through a process called opsonization allowing it to 'tag' pathogens for destruction by immune cells.
Biological function summary

Complement C3b plays an integral role in innate immunity. C3b is a part of the complement cascade forming complexes such as C3bBb which acts as a convertase in the amplification of the complement response. Through opsonization C3b promotes the binding and uptake of pathogens by phagocytes therefore enhancing immune defense.

Pathways

C3b integrates into the alternative and classical complement pathways. In these pathways C3b binds with factors like B and D contributing to the formation of the C5 convertase and progressing to the membrane attack complex. These interactions involve proteins such as C5 and Factor B essential for the effective destruction of pathogens and the clearance of immune complexes.

Complement C3b shows associations with diseases involving improper immune regulation such as atypical hemolytic uremic syndrome (aHUS) and age-related macular degeneration (AMD). Mutations affecting C3b's interactions with regulatory proteins such as Factor H can lead to uncontrolled complement activation which contributes to the pathology of these diseases. Understanding these interactions provides insights into therapeutic targets for managing complement-related diseases.
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Product protocols

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Target data

C3 plays a central role in the activation of the complement system. Its processing by C3 convertase is the central reaction in both classical and alternative complement pathways. After activation C3b can bind covalently, via its reactive thioester, to cell surface carbohydrates or immune aggregates.. Derived from proteolytic degradation of complement C3, C3a anaphylatoxin is a mediator of local inflammatory process. In chronic inflammation, acts as a chemoattractant for neutrophils (By similarity). It induces the contraction of smooth muscle, increases vascular permeability and causes histamine release from mast cells and basophilic leukocytes.. C3-beta-c. Acts as a chemoattractant for neutrophils in chronic inflammation.. Acylation stimulating protein. Adipogenic hormone that stimulates triglyceride (TG) synthesis and glucose transport in adipocytes, regulating fat storage and playing a role in postprandial TG clearance. Appears to stimulate TG synthesis via activation of the PLC, MAPK and AKT signaling pathways. Ligand for C5AR2. Promotes the phosphorylation, ARRB2-mediated internalization and recycling of C5AR2 (PubMed : 10432298, PubMed : 15833747, PubMed : 16333141, PubMed : 19615750, PubMed : 2909530, PubMed : 8376604, PubMed : 9059512).
See full target information C3
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Product promise

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For full details, please see our Terms & Conditions

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