Membrane Protein Purification Service
Alpha Lifetech can develop a complete fusion protein expression and purification plan in a shorter period of time
Request QuoteMembrane Protein Purification Service
Alpha Lifetech provides customized membrane protein expression and purification services for a wide range of recombinant proteins, including membrane proteins, transmembrane proteins, secreted proteins, and fusion proteins. With extensive experience in challenging protein production, we develop optimized expression and purification strategies based on protein characteristics and project requirements.
Our integrated purification platform supports multiple purification approaches, including affinity chromatography, size exclusion chromatography, ion exchange chromatography, and hydrophobic interaction chromatography. By combining advanced purification technologies with customized workflows, we deliver high-quality membrane protein products suitable for structural studies, antibody discovery, drug screening, and functional analysis.
Classification of Membrane Proteins
Based on their interaction with cellular membranes, membrane proteins are generally classified into three major categories: peripheral membrane proteins, integral membrane proteins, and lipid-anchored membrane proteins. Different membrane protein types exhibit distinct structural characteristics and require specialized expression and purification strategies.
Ionic Channel Proteins
Ion channel proteins are integral membrane proteins that regulate the selective transport of ions across biological membranes. By controlling ion movement, these proteins play essential roles in cellular signaling, membrane potential regulation, and physiological processes. Due to their structural complexity, successful production of functional ion channel proteins requires optimized expression and purification conditions.
G Protein-Coupled Receptors (GPCRs)
GPCRs represent one of the largest families of membrane receptors and play critical roles in cellular signal transduction. These receptors interact with extracellular ligands and activate intracellular signaling pathways, making them important targets for drug discovery and antibody development.
Virus-Like Particles (VLPs)
Virus-like particles (VLPs) are self-assembled protein structures that mimic the morphology of natural viruses without containing viral genetic material. VLP-based platforms can display membrane proteins in a near-native environment, making them valuable tools for antigen presentation, vaccine research, antibody screening, and membrane protein functional studies.
Purification of Membrane Proteins
Membrane protein purification requires specialized strategies due to their hydrophobic properties and structural complexity. Affinity chromatography using tags such as His-tag enables selective capture and purification of recombinant membrane proteins, while ion exchange chromatography and size exclusion chromatography further improve purity and remove impurities.
Our purification workflows are optimized according to protein properties, including solubility, stability, and membrane association characteristics, to obtain high-quality membrane proteins for downstream applications.
Fig. 1 Principle diagram of protein affinity purification
Advantages of membrane proteinWHY choose
Codon Optimization
Optimized gene design strategies improve recombinant membrane protein expression efficiency and production yield.
Enhanced Protein Expression and Activity
Advanced expression optimization and purification strategies help generate soluble, functional membrane proteins with reliable biological activity.
Flexible Production Scale
Support for multiple production scales, from small-scale expression optimization to large-scale protein preparation, enables flexible project development.
High-Purity Protein Preparation
Efficient expression and purification workflows enable rapid preparation of high-quality recombinant membrane proteins from milligram to gram scale.
Low Endotoxin Levels
Strict quality control with endotoxin testing ensures purified proteins meet requirements for downstream research applications.
Comprehensive Quality Documentation
Complete documentation systems provide traceability of materials, reagents, production processes, and quality control information.
If you have any questions, please feel free to contact us at any time.
