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Protein primary structure is the linear sequence of amino acids in a peptide or protein. [1] By convention, the primary structure of a protein is reported starting from the amino-terminal (N) end to the carboxyl-terminal (C) end. Protein biosynthesis is most commonly performed by ribosomes in cells. Peptides can also be synthesized in the ...
The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the process of protein biosynthesis.
[36]: 37 Biochemists often refer to four distinct aspects of a protein's structure: [36]: 30–34 Primary structure: the amino acid sequence. A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary ...
The primary structure of a protein, its linear amino-acid sequence, determines its native conformation. [11] The specific amino acid residues and their position in the polypeptide chain are the determining factors for which portions of the protein fold closely together and form its three-dimensional conformation.
Description: The Primary structure of a Protein is a chain of Amino acids.: Date: Originally uploaded to en:w on 3 October 2004. Drawn in SVG and uploaded to Commons on 8 October 2007
This page was last edited on 27 December 2023, at 19:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Protein isoform; Protein quinary structure; Template:Protein structural analysis; Protein primary structure; Protein secondary structure; Protein tertiary structure; Protein quaternary structure; Protein Structure Initiative; List of protein secondary structure prediction programs; Protein structure prediction; List of protein structure ...
An alpha-helix with hydrogen bonds (yellow dots) The α-helix is the most abundant type of secondary structure in proteins. The α-helix has 3.6 amino acids per turn with an H-bond formed between every fourth residue; the average length is 10 amino acids (3 turns) or 10 Å but varies from 5 to 40 (1.5 to 11 turns).