Revolutionising Membrane Protein Research

Nanosene’s polymer technology enables stable, functional membrane proteins for faster, more reliable drug discovery.


Diagram illustrating the role of membrane proteins embedded in the cell membrane, showing various types such as channels, carriers, and receptors.
Diagram illustrating the human genome, showing that approximately 70% of the genome encodes for soluble proteins and about 30% encodes for membrane proteins, with less than 3% of these membrane proteins being structurally determined and deposited in the Protein Data Bank.

Why are Membrane Proteins Key to Drug Development?

An informational graphic about drug targets, showing a medicine bottle and pills, with the text explaining that 60-70% of FDA-approved drugs and antibody therapies target membrane proteins.

The Membrane Protein Challenge

Despite their central role in human health, membrane proteins remain among the most difficult biomolecules to study. Their complexity and reliance on the surrounding lipid environment make them difficult to express, extract, and preserve in functional form. As a result, researchers often lack reliable tools to study these critical targets, creating bottlenecks in drug discovery pipelines and delaying the development of new therapies.

The Core MP Challenges:

  • Amphipathic & fragile by nature: With both hydrophilic and hydrophobic regions, once removed from the protective environment of the membrane, they can rapidly unfold and lose structural stability.

  • Lipid-dependent structure: Their structure and function rely on the lipid environment that is often stripped away by detergents, leading to loss of activity.

  • Low abundance & structural complexity: Membrane proteins are naturally scarce, difficult to overexpress, and possess intricate multi-pass architectures. These factors make large-scale study, especially for structural and functional analysis, exceptionally challenging.

Extract from a slide explaining that high failure rates in drug discovery are linked to misrepresented drug targets, which may result from traditional detergent-based methods used to extract cellular drug targets.
A presentation slide discussing traditional detergent techniques. It highlights drawbacks such as indirect membrane solubilization, drug targeting issues, destabilizing drug targets, and the need for limited investigation and complex methods.
A detailed model of a protein in a non-native detergent micelle

Protein in Non-Native Detergent Micelle

Diagram showing a process leading to the formation of a polymer native-like nanodisc with a detailed molecular illustration.

The polymer nanodisc technology maintains these proteins in a detergent-free, native-like environment, enabling reliable structural and functional studies that were difficult or even impossible for many targets just a decade ago.

The Nanosene Solution

Patented polymer nanodisc technology for detergent-free membrane protein isolation.

Next-Generation Polymer Nanodiscs

Nanosene’s custom-designed polymers directly solubilise membrane proteins into stable nanoscale discs, preserving structure, activity, and function.

Produced through controlled polymerization techniques, our technology outperforms traditional detergents in stability, efficiency, and ease of use.

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Direct extraction and solubilisation of drug target

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Preserve near-native lipid environment

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Results in highly stable drug targets - protein functionality intact

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Faster and simpler protocol for protein purification

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More successful drug target identification

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Accelerate & improve drug development

MFM Radio sat down with our team to talk about biotech entrepreneurship, solving hard scientific problems in South Africa, and the future of Nanosene.

In the Media: Nanosene’s Journey

Listen Below

MFM 92.6 - Workstation Waves - Nanosense
Diagram illustrating steps of stabilizing membrane proteins in a native environment using polymer nanodiscs, including polymer solution addition, spontaneous membrane binding, membrane solubilization, formation of discoidal nanodiscs, and purification steps such as affinity chromatography.

Detergent Free Solution

Hear Prof. Bert Klumperman talk about the 2nd generation of SMA copolymers

“We introduced a third monomer to fine-tune the amphiphilic balance, allowing for more control, better protein extraction, and broader applicability. It’s a true second generation of nanodisc technology.”

— Prof. Bert Klumperman

Enabling Breakthroughs in Membrane Protein Research

Diagram illustrating processes in lipid-environment-based research, including structural biology with Cryo-EM and NMR, functional studies with support assays, membrane solubilization, drug discovery emphasizing advanced research, and environment maintenance.
Application Description
Structural Biology (CryoEM/NMR) Nanodiscs stabilize membrane proteins in native-like environments, ideal for high-resolution structure determination via CryoEM and NMR.
Maintain Near-Native Lipid Environment Preserve native lipid-protein interactions critical for understanding biological function and drug binding.
Functional Studies Nanodiscs enable real-time functional assays and screening without protein denaturation.
Direct Membrane Solubilisation Skip harsh detergents: directly extract membrane proteins from cells using our BzAM polymers.
Drug Discovery Access stable, functional proteins for ligand screening, antibody discovery, and structure-based drug design.
Highly Stable Proteins Improve protein yield and stability, enabling downstream success in structural and functional studies.
A laboratory tray with multiple small plastic test tubes, some filled with pink liquid, and a pipette dropper transferring pink liquid into one of the test tubes.
A person’s hand is lifting a 3d model of a nanodisc from a colorful, 3D printed cell membrane model made of blue, white, and yellow components on a white surface.
A person wearing a white lab coat and blue medical gloves, standing with their hands crossed in front of them