Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Western Blot, ELISA, Flow Cytometry, Dot Blot

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all IgG (H+L) Secondary Antibodies »

Product Specifications

Immunogen

Goat anti-Human IgG (H+L) Secondary Antibody was produced by repeated immunization with Human IgG whole molecule in goat.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Description

This product was prepared from monospecific antiserum by immunoaffinity chromatography using Human IgG coupled to agarose. Assay by immunoelectrophoresis resulted in a single precipitin arc against anti-Goat Serum, Human IgG and Human Serum.

Store vial at 4C prior to opening. This product is stable for several weeks at 4C as an undiluted liquid. Dilute only prior to immediate use. For extended storage aliquot contents and freeze at -20C or below. Avoid cycles of freezing and thawing.

Scientific Data Images for Goat anti-Human IgG (H+L) Secondary Antibody

Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658] - Lane 1: Human IgG. Lane 2: none. Load: 50 ng per lane. Primary antibody: none. Secondary antibody: Alkaline Phosphatase Human secondary antibody at 1:1,000 o/n at 4C. Block: incubated with blocking buffer for 30 min at RT. Reaction visualized using alkaline phosphatase for 30 seconds at RT. Predicted/Observed size: 50kDa, 25kDa for Human IgG. Image from the Alkaline Phosphatase version of this antibody.
Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

Western Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658] - Lane 1: Human IgG. Lane 2: none. Load: 50 ng per lane. Primary antibody: none. Secondary antibody: Fluorescein goat secondary antibody at 1:1,000 for 60 min at RT. Block: incubated with blocking buffer for 30 min at RT. Predicted/Observed size: 25 & 55 kDa, 25 & 55 kDa for Human IgG. Other band(s): none. Image from the FITC version of this antibody.
Dot Blot: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658] - Dots are Human IgG: (1) 100ng, (2) 33.3ng, (3) 11.1ng, (4) 3.70ng, (5) 1.23ng. Primary Antibody: none. Secondary Antibody: Goat Anti-Human IgG Antibody TRITC at 1ug/mL in blocking buffer 1hr RT. Imaged with BioRad ChemiDoc, Rhodamine filter. Image from the Rhodamine version of this antibody.
ELISA: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

ELISA: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658]

ELISA: Goat anti-Human IgG (H+L) Secondary Antibody [NBP2-60658] - ELISA results of purified Goat anti-Human IgG (H+L) Secondary Antibody [Biotin] tested against purified human IgG. Each well was coated in duplicate with 1.0 ug of human IgG (purple line). The starting dilution of antibody was 5ug/ml and the X-axis represents the Log10 of a 3-fold dilution. This titration is a 4-parameter curve fit where the IC50 is defined as the titer of the antibody. Assay performed using blocking buffer, Streptavidin HRP conjugate 1:10000, and TMB substrate.. Using the Biotin format of this antibody.

Applications for Goat anti-Human IgG (H+L) Secondary Antibody

Application
Recommended Usage

ELISA

1:20000 - 1:100000

Immunohistochemistry

1:1000-1:5000

Western Blot

1:2000 - 1:10000
Application Notes
This product has been tested by ELISA and is suitable for immunoblotting (western or dot blot), ELISA, immunoelectron microscopy and immunohistochemistry as well as other antibody based enzymatic assays requiring lot-to-lot consistency.

Use in Flow Cytometry was reported in the scientific literature (PMID: 23752205).

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2

Preservative

0.01% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: IgG (H+L)

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

Additional IgG (H+L) Products

Product Documents for Goat anti-Human IgG (H+L) Secondary Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

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Product Specific Notices for Goat anti-Human IgG (H+L) Secondary Antibody

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.

Citations for Goat anti-Human IgG (H+L) Secondary Antibody

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Protocols

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