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Protein Organization

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence....

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Related Experiment Video

Updated: Mar 2, 2026

Author Spotlight: Advancing Cell Membrane Biophysics - Exploring Interactions and Challenges Through Experimental and Computational Approaches

Author Spotlight: Advancing Cell Membrane Biophysics - Exploring Interactions and Challenges Through Experimental and Computational Approaches

Published on: September 1, 2023

Computational studies of membrane proteins: from sequence to structure to simulation.

Phillip J Stansfeld¹

¹Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK.

Current Opinion in Structural Biology

|May 17, 2017

Summary

Computational methods are advancing the study of membrane protein structures, improving predictions from amino acid sequences and enhancing molecular simulations for complex biological membranes. These advances aid in understanding disease relevance and identifying lipid interactions.

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Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes

Published on: January 16, 2016

Area of Science:

Biochemistry
Computational Biology
Structural Biology

Background:

Membrane proteins are crucial biological components, yet their complex structures and dynamics pose significant research challenges.
Advances in sequencing and structural biology have generated vast datasets, necessitating sophisticated computational tools.

Purpose of the Study:

To review recent computational approaches for studying membrane protein structures.
To cover methods for structure prediction, simulation, and lipid interaction analysis.
To highlight the impact of computational advances on understanding membrane protein function and disease.

Main Methods:

Structure prediction from amino acid sequences using advanced algorithms.
Molecular simulations of membrane proteins within complex biological membranes.
Techniques for identifying and characterizing lipid binding sites.

Main Results:

Increased accuracy in predicting membrane protein structures from sequences.
Development of longer, larger, and more complex molecular simulations.
Enhanced ability to analyze structural dynamics and specific lipid interactions.

Conclusions:

Computational approaches are pivotal in deciphering membrane protein structures and functions.
These methods facilitate the study of membrane proteins relevant to human diseases.
Future research will benefit from continued integration of computational and experimental techniques.