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Protein Folding Notes
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Protein Structure = Protein Function
In order to perform its specific job in the cell, a protein must fold into its proper shape
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Levels of Protein Folding
Primary The order of amino acids in a polypeptide chain
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Levels of Protein Folding
Secondary Folding caused by interactions within the protein’s backbone β pleated sheet α helix
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Levels of Protein Folding
Tertiary Folding caused by bonding between amino acid R groups Opposites (positive and negative) attract Cysteine covalently bonds with other cysteines Hydrophobic amino acids move to the middle Hydrophilic amino acids move to the outside
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Tertiary Structure
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Levels of Protein Folding
Quaternary Individual polypeptide chains come together to form a multi-subunit protein
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Watch Proteins Fold! amino-acids.json
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To Sum Up
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Make a Protein! Positively Charged Negatively Charged Hydrophilic
Hydrophobic Histidine Aspartic Acid Serine Methionine Arginine Glutamic Acid Threonine Glycine Lysine Glutamine Tyrosine Proline Isoleucine Asparagine Leucine Cysteine Alanine Valine Phenylalanine Tryptophan
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