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Transmembrane protein (TP), also known as intact protein, is a type of membrane protein exists in the whole biofilm. Transmembrane protein plays an important role in basic physiological processes, including molecule transport, signal transduction, energy utilization, etc. On one hand, they are useful for signaling to the cell what the external environment contains. On the other hand, they serve as a way for the cell to gather information about the external environment.
Almost 30% of genes in genomic sequence encode transmembrane proteins, of which 50% are targets for currently known drugs. However, expression and purification of transmembrane protein are very difficult. And CUSABIO will help you to overcome the difficulties.
CUSABIO's cell-free expression platform is particularly suitable for the expression of transmembrane proteins. Since the establishment of this platform in 2015, 162 proteins have been successfully produced with a yield of mg/ml, which contains 99 transmembrane proteins with 1-12 transmembrane domains and toxic proteins that are difficult to express in traditional E.coli expression systems. We have also produced high molecular weight proteins (130 kDa -140 kDa) that contain multiple transmembrane domains.
In 2017, CUSABIO introduced Nobel Prize winner Hartmut Michel, an expert in membrane protein research, to help optimize the technology platform.
Based on these advantages, CUSABIO can produce 36,000+ multiple transmembrane proteins, mainly including G-protein-coupled receptors (GPCR), Aquaporin (AQP), Ion channel, ATP-Binding Cassette (ABC), Human leucocyte antigen (HLA), and so on.
Here are some popular transmembrane proteins. You will know details about CUSABIO transmembrane proteins.
Recombinant Human ABCD1
(CSB-CF001068HU)
Recombinant Escherichia coli AQPZ
(CSB-CF352724ENV)
Recombinant Human OMA1
(CSB-CF856923HU)
Recombinant Human SLC31A1
(CSB-CF021575HU)
Here is the catalog of all transmembrane proteins. You can find the right ones for your research, or search them in the search box on the header part of this website.
If you can’t find the protein you need, please check CUSABIO protein custom service.
* Browse products by selecting the initials of target names.
Transmembrane proteins are located at the interface between cells and the outside world, mediating the signal transduction between cells and the outside world, and performing many important cellular biological functions. For example, it is a receptor for various signaling molecules, hormones and other substrates; it is involved in the exchange of substances, energy and signal between the inside and outside of the cell membrane; it constitutes a channel for various ion transmembranes, which inputs nutrients and some inorganic electrolytes into cells, and discharges toxic or useless metabolites into cells.
Cell-free expression systems play an important role in the expression of transmembrane proteins due to their unique advantages.
In a cell-free expression system, we can modify transmembrane proteins. For example, non-natural amino acids can be added to the protein expression to realize the complex modification process that is difficult to be solved after conventional recombinant expression.
Compared with the traditional intracellular protein expression system, the cell-free system has significant advantages. For details, click the link below: https://www.cusabio.com/protein_service/In_vitro_E.coli_Expression_System.html
The types and functions of transmembrane proteins expressed by cell-free expression system are diverse. Currently, the most popular products are listed as follows:
Transmembrane protein products expressed by cell-free expression systems can be used to study the functions of transmembrane proteins. The integration of transmembrane proteins into vesicles for structural and functional studies is a hot topic in membrane protein research.
According to its structure, transmembrane proteins can be classified into alpha helix and β - barrel membrane proteins. For details, please refer to the article: A Resume for Transmembrane Proteins.