RESEARCH: PROTEIN-BRUSH-POLYMER-SIMULATION
FOLDING PROJECT #12117 PROFILE

This project looks at how short proteins (peptides) work better when linked together into chains called "protein brush polymers". These polymers help peptides get inside cells more easily. The project focuses on a specific protein called Trpzip2, which has a folded shape like a beta-sheet. By simulating different arrangements of these protein chains, researchers hope to understand how the shape of the protein affects how well the polymer works.

Protein Brush Polymers Short peptides are considered ideal therapeutics because of their small size and bioactivity, however they are prone to enzyme degradation.

Protein Brush Polymers allow peptides to bind to a hydrophobic backbone in a polymeric scheme which enhances the penetration of these peptides in cell/targets. In this project we simulate Trpzip2, which is a beta-hairpin peptide, for investigation of beta-sheet secondary structure effect on the polymer conformation. We have two broad aims in this study.

To simulate the peptide monomer as well as simulate a 15-mer polymer system with different configurations to investigate beta-sheet content.

Protein

Large biomolecules essential for structure, function, and regulation of the body.

Proteins are complex molecules found in all living things. They perform many vital functions, such as building tissues, transporting substances, and catalyzing chemical reactions.

Brush Polymers

Polymeric materials with side chains projecting outwards like a brush.

Brush polymers are a type of polymer where long chain molecules (the backbone) have smaller chains branching off like bristles. This unique structure gives them special properties that make them useful in various applications.

Peptides

Short chains of amino acids linked together.

Peptides are small chains of amino acids, the building blocks of proteins. They play important roles in many biological processes and have potential as therapeutic agents.

Beta-Hairpin

A common secondary structure in proteins characterized by a hairpin-like shape.

Beta-hairpins are a type of protein folding pattern where two strands of amino acids are connected by a short loop. This structure is important for many biological functions.

Polymer

A large molecule made up of repeating units called monomers.

Polymers are long chains of molecules linked together. They have a wide range of properties and are used in many different applications, including plastics, fibers, and adhesives.

Trpzip2

A beta-hairpin peptide used as a model system for studying protein folding.

Trpzip2 is a small protein fragment that folds into a specific shape. It is often used by scientists to study how proteins fold and interact with each other.