• Nature
  • Source
  • Amino Acid Sequence
    • Species


Our Abpromise guarantee covers the use of ab91102 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications


  • Purity
    > 95 % SDS-PAGE.

  • Form
  • Additional notes

    Protein Determination: Extinction Coefficient (E) 0.1% at 280nm, 1cm pathway = 1.36.

    Prepared from plasma shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.

  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Store at -20ºC.

    Preservative: 0.05% Sodium Azide
    Constituents: 20mM PBS, 150mM Sodium chloride, pH 7.4

General Info

  • Alternative names
    • Ig gamma 1 chain C region
    • Ig gamma 2 chain C region
    • Ig gamma 3 chain C region
    • Ig gamma 4 chain C region
    • IgG
    • IGHG1
    • IGHG2
    • IGHG3
    • IGHG4
    • Immunoglobin heavy constant gamma 1
    • Immunoglobulin G
    see all
  • Cellular localization


  • SDS-PAGE: 4-12% Bis-Tris NuPAGE gel
    Lane 1. Molecular weight markers
    Lane 2. 5 µg IgG (reduced/heated)
    Lane 3. 10 µg IgG (reduced/heated)
    Lane 4. 20 µg IgG (reduced/heated)
    Lane 5. 5 µg IgG (non-reduced/no heat)
    Lane 6. 10 µg IgG non-reduced/no heat)
    Lane 7. 20 µg IgG non-reduced/no heat)


This product has been referenced in:

See all 2 Publications for this product

Customer reviews and Q&As

These two IgG proteins are similar in many ways including origin, and levels of purity. However they do differ in regards to the storage buffer in which they are provided. ab98981: Preservative: None Constituents: 0.02M Ammonium bicarbonate (May co...

Read More

Thank you for contacting us. Yes, this protein was lyophilized from a concentration of 63 mg/mL in a 20mM PBS, 150mM Sodium chloride (pH 7.4) buffer with 0.05% sodium azide. In order to reconstitute the product in the same buffer, 159 uL of water shoul...

Read More

Thank you for your enquiry and your interest.

These two products are from different sources and there are slight variations between them.

ab91102 is from one patient, tested in SDS-PAGE and the storage buffer contains 0.05% Sodium A...

Read More

Thank you for contacting us this afternoon.

I can now confirm what the 63 mg/mL you have on the information provided with the protein relates to.

The protein is lypholised from a 20mM PBS, 150mM Sodium chloride (pH 7.4) buffer with ...

Read More

Thank you for your reply.

I believe that the NuPAGE gels are available in 10x10 cm and 8x8 cm sizes, which may or may not be suitable for use with the Bio-Rad system. ThisIgG can also be run onour Optiblot range of gels, which are available i...

Read More

Thank you for your reply.

1) The molecular weight marker used in the image on our website is the LMW Standard (BIO-RAD Cat. No. 161-0304). You could also use one of our Prism or Optiblot molecular weight markers such as ab119210 or ab115832.T...

Read More

Thank you for contacting us.

This product has not been used in ELISA and as such is not covered by our Abpromise guarantee in this assay. However, after reviewing your idea, I see no reason to believe that this product (ab91102) or our other ...

Read More

Thank you for contacting us.

The protein can be reconstituted in sterile water. The conc. of protein is 63 mg/ml.

The product can be stored at -20C after reconstitution.

We have not yet tested this product in ELISA so the...

Read More

Thank you for your phone call and for your patience while I have been in touch with the lab about ab91102. This protein is purified from multiple donors. As for the appearance of the non-reduced IgG on the SDS scan, this is due to the nature of ...

Read More

Thank you for your inquiry. We have done nothing that would remove one or more of the IgG subclasses during the course of the IgG purification. We have not, however, tested for the presence of the subclasses, so unfortunately we do not know the perc...

Read More


Sign up