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Protein Structure

BIology Based

Three Levels Primary, Secondary, teritiary
Quaternary Structure arises when two or more polypeptides join forming proteins.
Primary Sructure sequence of amino acids
Secondary structure regular pattern of twists/kinks of polypeptide chain, regularity because of hydrogen bonds forming between atoms of amino acid backbones of chain
Two most common types of secondary structure Alpha Helix (coils) and B pleated sheet (folds)
Tertiary Structure helices and sheets of secondary structure fold upon thmselves
Collagen Quaternary, fibrous protein of three polypeptides
Hemoglobin Quaternary, fibrous protein of four polypeptides
Created by: OWilly29