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Formulation and Characterization of Bioactive Agent Containing Nanodisks

Formulation and Characterization of Bioactive Agent Containing Nanodisks

Published on: March 17, 2023

Polymer-encased nanodiscs with improved buffer compatibility.

Mariana C Fiori¹, Yunjiang Jiang¹, Guillermo A Altenberg²

¹Department of Cell Physiology and Molecular Biophysics, and Center for Membrane Protein Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.

Scientific Reports

|August 9, 2017

Summary

This summary is machine-generated.

New styrene-maleic acid copolymers improve membrane protein nanodisc formation. These advanced polymers offer enhanced buffer compatibility and flexibility for diverse applications in membrane protein research.

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Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles

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Published on: January 7, 2019

Area of Science:

Biochemistry
Polymer Chemistry
Structural Biology

Background:

Styrene-maleic acid (SMA) copolymers enable solubilization and reconstitution of membrane proteins into nanodiscs.
These nanodiscs serve as detergent-free platforms for studying membrane proteins in near-physiological conditions.
Existing SMA copolymers have limitations in buffer compatibility and application flexibility.

Purpose of the Study:

To develop novel styrene-maleic acid copolymers with improved properties.
To overcome limitations of current SMA copolymers regarding buffer compatibility and flexibility.
To enable controlled size nanodisc production for diverse membrane protein studies.

Main Methods:

Synthesis of a new family of styrene-maleic acid copolymers.
Testing copolymer aggregation at low pH and in the presence of polyvalent cations.
Solubilization of membrane proteins and reconstitution into nanodiscs.
Characterization of nanodisc size and properties.

Main Results:

The new SMA copolymers exhibit no aggregation at low pH or with polyvalent cations.
Successful solubilization of membrane proteins and formation of nanodiscs.
Production of nanodiscs with controlled sizes.
Demonstrated enhanced compatibility and flexibility for various applications.

Conclusions:

The novel styrene-maleic acid copolymers represent a significant advancement over existing materials.
These new polymers expand the utility of nanodisc technology for membrane protein research.
The improved properties facilitate broader applications in biochemistry and structural biology.