Protein Folding Notes Protein Structure Protein Function In

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Protein Folding Notes

Protein Folding Notes

Protein Structure = Protein Function In order to perform its specific job in the

Protein Structure = Protein Function In order to perform its specific job in the cell, a protein must fold into its proper shape

Levels of Protein Folding • Primary • The order of amino acids in a

Levels of Protein Folding • Primary • The order of amino acids in a polypeptide chain

Levels of Protein Folding • Secondary • Folding caused by interactions within the protein’s

Levels of Protein Folding • Secondary • Folding caused by interactions within the protein’s backbone • β pleated sheet • α helix

Levels of Protein Folding • Tertiary • Folding caused by bonding between amino acid

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

Tertiary Structure

Tertiary Structure

Levels of Protein Folding • Quaternary • Individual polypeptide chains come together to form

Levels of Protein Folding • Quaternary • Individual polypeptide chains come together to form a multi -subunit protein

Watch Proteins Fold! http: //lab. concord. org/embeddable. html#interactives/samples/5 amino-acids. json

Watch Proteins Fold! http: //lab. concord. org/embeddable. html#interactives/samples/5 amino-acids. json

To Sum Up

To Sum Up

Make a Protein! Positively Charged Negatively Charged Hydrophilic Hydrophobic Histidine Aspartic Acid Serine Methionine

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 Cysteine Leucine Alanine Valine Phenylalanine Tryptophan

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