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Tertiary structure of protein

can someone explain to me the tertiary structure of a protein and how it relates to enzyme structure? struggling with this bit
Original post by KyleH123
can someone explain to me the tertiary structure of a protein and how it relates to enzyme structure? struggling with this bit


Basically, the polypeptide (amino acid) chain is folded into either an alpha helix or a beta pleated sheet (this is the secondary structure), then THIS is folded again and you get hydrogen bonds and other intermolecular forces folding the polypeptide into another shape, which is the tertiary structure.
About enzymes: enzymes are proteins which have a specific shaped active site so they can catalyse a reaction. The shape of an enzymes active site is determined by the shape of that protein, which is determined by its tertiary structure


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