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questions :PROTEINIKR STRUCTURES
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Category :[Natural][Biological]
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[Visitor (111.8.*.*)]answers [Chinese ]Time :2020-04-02
Protein molecules are covalent polypeptide chains formed by end-to-end condensation of amino acids, but natural protein molecules do not move towards random loose polypeptide chains. Each natural protein has its own unique spatial structure or three-dimensional structure. This three-dimensional structure is often called the conformation of a protein, that is, the structure of the protein.

The molecular structure of a protein can be divided into four levels to describe its different aspects:

In addition to these structural levels, proteins can be transformed in multiple similar structures to perform their biological functions. For functional structural changes, these tertiary or quaternary structures are usually described by chemical conformations, and the corresponding structural transformations are called conformational changes.

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