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Updated: Jul 11, 2026

Analyzing and Building Nucleic Acid Structures with 3DNA
16:24

Analyzing and Building Nucleic Acid Structures with 3DNA

Published on: April 26, 2013

蛋白质在原子分辨率下折叠和展开

Alan R Fersht1, Valerie Daggett

  • 1Department of Chemistry, MRC Centre for Protein Engineering, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom. arf25@cam.ac.uk

Cell
|March 23, 2002
PubMed
概括

原子级蛋白质折叠正在通过综合实验和模拟来描述. 研究人员正在接近使用验证的模拟方法预测蛋白质折叠事件的能力.

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Protein Organization01:13

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Protein and Protein Structure

Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
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Protein Organization01:24

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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.
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Protein Organization01:24

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.