secondary structure

German: Sekundärstruktur
Japanese: 2次構造

Biochemistry. Local structure of linear segments of the polypeptide backbone atoms without regard to the conformation of the side chains. The secondary structure of proteins is defined by patterns of hydrogen bonds between backbone amide and carboxyl groups. Alpha helix and beta sheet are examples of secondary structures in proteins. Other examples are the double helix in nucleic acids or the cloverleaf structure of transfer RNAs.

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