Goat anti-Feline IgG (H+L) Secondary Antibody [DyLight 680]

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Product Details

Summary
Reactivity FeSpecies Glossary
Applications Flow, IM
Clonality
Polyclonal
Host
Goat
Conjugate
DyLight 680

Goat anti-Feline IgG (H+L) Secondary Antibody [DyLight 680] Summary

Immunogen
This Goat anti-Feline IgG (H+L) Secondary Antibody was developed against purified feline IgG (H&L).
Specificity
Based on IEP, this Goat anti-Feline IgG (H+L) Secondary Antibody reacts with heavy gamma chains on cat IgG and light chains on all cat immunoglobulins.
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Purity
>95%, by SDS-PAGE

Applications/Dilutions

Dilutions
  • Flow Cytometry : 1:20-1:2000
  • Immunomicroscopy : 1:20-1:2000
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Reactivity Notes

Based on IEP, no reactivity is observed to non-immunoglobulin feline serum immunoglobulins

Packaging, Storage & Formulations

Storage
Store at 4C in the dark.
Buffer
50mM Sodium Borate
Preservative
0.05% Sodium Azide
Purity
>95%, by SDS-PAGE

Notes



DyLight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

Background

Antibodies, also known as immunoglobulins (Igs) are critical for immunity and are grouped into five primary classes: IgG, IgM, IgA, IgD, and IgE. The most abundant antibody isotype is immunoglobulin G (IgG) with concentrations ranging from 7.5-22 mg/ml in human serum and has a molecular weight of 150 kDa. The major effector functions of IgG include neutralization, opsonization, complement fixation and antibody dependent cell-mediated cytotoxicity (ADCC). This monomeric immunoglobulin, expressed on the surface of mature B cells, is often depicted as a Y-shape and comprised of 2 heavy chains and 2 light chains linked by disulfide bonds. The heavy chain is type gamma including subtypes gamma 1, gamma 2, gamma 3, and gamma 4 while the light chain is either a kappa or lambda chain. An IgG molecule has two antigen binding sites, each consisting of a heavy and light chain N-terminal variable domain. When combined with the constant heavy chain 1 (Ch1) and the constant light chain domains, it forms the fragment antigen-binding (Fab) region (2 per antibody). The remaining domains (Ch2-Ch4) of both heavy chains make up the Fc region and contain a site for covalently linking an enzymatic or fluorochrome probe, such as HRP or Janelia Fluor 549, for target detection and visualization (1,2,3).

The 4 IgG subclasses, sharing 95% amino acid identity, include IgG1, IgG2, IgG3, and IgG4 for humans and IgG1, IgG2a, IgG2b, and IgG3 for mice. The relative abundance of each human subclass is 60% for IgG1, 32% for IgG2, 4% for IgG3, and 4% for IgG4. In an IgG deficiency, there may be a shortage of one or more subclasses (4).

References

1. Painter RH. (1998) Encyclopedia of Immunology (Second Edition). Elsevier. 1208-1211

2. Chapter 9 - Antibodies. (2012) Immunology for Pharmacy. Mosby 70-78

3. Schroeder H, Cavacini, L. (2010) Structure and Function of Immunoglobulins. J Allergy Clin Immunol. 125(2 0 2): S41-S52. PMID: 20176268

4. Vidarsson G, Dekkers G, Rispens T. (2014) IgG subclasses and allotypes: from structure to effector functions. Front Immunol. 5:520. PMID: 25368619

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Secondary Antibodies are guaranteed for 1 year from date of receipt.

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Other Available Formats

Allophycocyanin/Cy7 NBP2-60651APCCY7
DyLight 350 NBP2-60651UV
DyLight 405 NBP2-60651V
DyLight 488 NBP2-60651G
DyLight 550 NBP2-60651R
DyLight 594 NBP2-60651DL594
DyLight 650 NBP2-60651C
DyLight 680 NBP2-60651FR
DyLight 755 NBP2-60651IR
FITC NBP1-75709
Janelia Fluor 549 NBP2-60651JF549
Janelia Fluor 646 NBP2-60651JF646
PE/Atto594 NBP2-60651PEATT594
PE/Cy5.5 NBP2-60651PECY55
PE/Cy7 NBP2-60651PECY7

Additional IgG (H+L) Products

Array NBP2-60651FR

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