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Pierce qIP Protein Interaction Assay Reagents


Buffers and luciferase assay reagents for tag-based qIP systems.

Pierce qIP Protein Interaction Assay Reagents

Thermo Scientific Pierce qIP Protein Interaction Reagents include stock solutions to prepare optimized buffers for co-immunoprecipitation (co-IP) and reagent sets of TurboLuc (Tluc) assay buffer and coelenterazine substrate for luciferase quantitation.

Buffer L (supplied at 1X) is the cell lysis buffer developed and optimized to be used with the Pierce qIP Protein Interaction Kits. It is compatible with both agarose resin and magnetic bead formats of these kits. Upon dilution to 1X, Buffer D (supplied at 10X) is used to dilute cell lysates (in Buffer L) to create favorable conditions for Co-IP. The prepared 1X Buffer D is also mixed with Buffer L to make the wash buffer. The Pierce qIP Protein Interaction Tluc Assay Buffer and Coelenterazine Substrate (100X) are used to measure the luciferase activity of protein-protein interactions (Co-IP products) that result from the qIP assay procedure. These reagents are optimized and validated only for Tluc luciferase assays in the Pierce qIP system for protein interaction studies using appropriate expression vectors.

Highlights:

  • Fast and simple – add Buffer L (1X) to mammalian cell pellet and vortex for complete cell lysis
  • Robust – buffers tested on many different cell types, including but not limited to, HEK293, 293T, NIH3T3, HeLa, CHO-K1, CHO and COS-7 cells for the qIP protein interaction assay
  • Compatible – completely compatible with different anti-epitope agarose and magnetic beads and TurboLuc (Tluc) luciferase-based qIP assay reagents

Requires:

  • Protease inhibitors (e.g., Halt Protease Inhibitor Cocktail, EDTA-free, Part No. 78437)

Product Details:

The Pierce qIP Protein Interaction System uses anti- HA or anti-Myc beads (agarose or magnetic) and a sensitive luciferase assay system to co-immunoprecipitate (co-IP) and quantify interactions between epitope-tagged and Tluc-tagged protein pairs expressed in mammalian cells. The quantitative immunoprecipitation (qIP) method depends on TurboLuc luciferase enzyme (Tluc) to accurately and precisely reflect the abundance of a specific co-IP product without time-consuming gel electrophoresis, Western blot and band densitometry steps. Complete kits are available with cloning vectors, affinity beads (agarose or magnetic) and assay reagents. Alternatively, all components of the assay system are available separately. This page features the essential buffers and luciferase assay reagents.

Related Resources:

Overview of Pierce qIP Protein Interaction Kits
Tech Tip #77: Cloning guide for Pierce qIP Protein Interaction Kits

Related Products:

Pierce qIP Protein Interaction Kits
Pierce qIP Expression Vectors
Cell Lysis Reagents and IP Lysis Buffer
Luciferase Assay Kits and Reagents


Ordering Information
 
Product # Description Pkg. Size Instructions MSDS CofA Price
82013 qIP Protein Interaction Buffer L (1X)
Formulation: Proprietary aqueous buffer with detergent
Sufficient For: 80mL lysis buffer (neat) and 240mL wash buffer (1:3 mixture with 1X Buffer D) for qIP assays
140mL Product Instructions for product #82013 qIP Protein Interaction Buffer L (1X) MSDS for product #82013 qIP Protein Interaction Buffer L (1X) Certificate of Analysis for product #82013 qIP Protein Interaction Buffer L (1X) $73.00

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82014 qIP Protein Interaction Buffer D (10X)
Formulation: Proprietary aqueous buffer
Sufficient For: 500mL 1X Buffer D to dilute lysates and prepare wash buffer for qIP assays
50mL Product Instructions for product #82014 qIP Protein Interaction Buffer D (10X) MSDS for product #82014 qIP Protein Interaction Buffer D (10X) Certificate of Analysis for product #82014 qIP Protein Interaction Buffer D (10X) $115.00

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82015 qIP Protein Interaction Assay Reagent Set
Formulation: Two-component kit
Sufficient For: 150 luciferase assay reactions

Kit Contents:
Pierce qIP Protein Interaction Tluc Assay Buffer, 10mL
Coelenterazine Substrate (100X), 2 x 50μL
150-rxn kit Product Instructions for product #82015 qIP Protein Interaction Assay Reagent Set MSDS for product #82015 qIP Protein Interaction Assay Reagent Set Certificate of Analysis for product #82015 qIP Protein Interaction Assay Reagent Set $96.00

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82016 qIP Protein Interaction Assay Reagent Set
Formulation: Two-component kit
Sufficient For: 1500 luciferase assay reactions

Kit Contents:
Pierce qIP Protein Interaction Tluc Assay Buffer, 10mL
Coelenterazine Substrate (100X), 2 x 0.5mL
1500-rxn kit Product Instructions for product #82016 qIP Protein Interaction Assay Reagent Set MSDS for product #82016 qIP Protein Interaction Assay Reagent Set Certificate of Analysis for product #82016 qIP Protein Interaction Assay Reagent Set $576.00

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Instructions | MSDS | CofA
Product Instructions | MSDS | CofA  

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