ProteoPrep® Membrane Extraction Kit


Quality Level

storage temp.


General description

ProteoPrep® Membrane Extraction Kit reagents utilize a powerful detergents for higher loading and resolution of proteins in 2D gels. Protein Extraction Reagent Types 3 and 4 are optimized for proteomic studies. Extraction reagents 3 and 4 are ideal for protein extraction prior to isoelectric focusing and 2D electrophoresis. This kit also includes reagents for the reduction and alkylation of disulfide bonds. The ProteoPrep® Membrane Extraction Kit was designed through a collaboration of Proteome Systems and Sigma research scientists.


ProteoPrep® Membrane Extraction Kit is designed to prepare highly enriched membrane protein solutions from many types of cells. The final protein solution are suitable for 2D gel electrophoresis.

Features and Benefits

  • Innovative detergent preparations - Improved solubility allows for higher protein loads and greater visibility of low abundance proteins in 2D gels.
  • Two pre-mixed solubilization solutions - Removes interfereing non-membrane proteins prior to extractions, resulting in uncluttered 2D arrays.
  • Pre-measured reducing & alkylating reagents - Easy-to-use reagents provide improved IEF resolution.

Legal Information

ProteoPrep is a registered trademark of Sigma-Aldrich Co. LLC

Kit Components Also Available Separately

Product No.

  • T7567Tributylphosphine solution, 200 mM (in N-methyl-2-pyrrolidinone), liquid 5 x 0.5

  • C0356Protein Extraction Reagent Type 4 23 mL

  • A3221Iodoacetamide, Single use vial of 56 mg 5 x 56

Signal Word



Acute Tox. 3 Oral - Aquatic Chronic 2 - Carc. 2 - Eye Dam. 1 - Repr. 1B - Self-heat. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system


4.2 - Pyrophoric and self-heating hazardous materials

Flash Point(F)

186.8 °F - closed cup

Flash Point(C)

86 °C - closed cup

Certificate of Analysis

Certificate of Origin

Lili Xu et al.
The Journal of general virology, 90(Pt 11), 2695-2703 (2009-07-25)
Raccoon dog is one of the suspected intermediate hosts of severe acute respiratory syndrome coronavirus (SARS-CoV). In this study, the angiotensin-converting enzyme 2 (ACE2) gene of raccoon dog (rdACE2) was cloned and sequenced. The amino acid sequence of rdACE2 has...
Sreepriya Nair et al.
Electrophoresis, 32(24), 3621-3629 (2011-11-22)
Performing 2-DE of lipid-rich multilamellar membranes like myelin is a cumbersome task. However, for understanding its molecular organization and changes during diseases, identification of proteins of myelin is essential. Although the 2-D-proteomic approach of myelin has been employed to understand...
Carla Cacciotto et al.
BMC microbiology, 10, 225-225 (2010-08-27)
Mycoplasmas are the simplest bacteria capable of autonomous replication. Their evolution proceeded from gram-positive bacteria, with the loss of many biosynthetic pathways and of the cell wall. In this work, the liposoluble protein complement of Mycoplasma agalactiae, a minimal bacterial...
Fang Chen et al.
Proteomics, 7(9), 1529-1539 (2007-04-05)
Plant plasma membrane (PM) proteins play important roles in signal transduction during defense response to an attacking pathogen. By using an improved method of PM protein preparation and PM-bound green fluorescent protein fusion protein as a visible marker, we conducted...
Neal X Chen et al.
American journal of physiology. Renal physiology, 292(2), F599-F606 (2006-09-14)
Fetuin-A is a known inhibitor of vascular calcification in vitro. In arteries with calcification, there is increased immunostaining for fetuin-A. However, vascular smooth muscle cells (VSMC) do not synthesize fetuin-A, suggesting fetuin-A may be endocytosed to exert its inhibitory effects....

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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