Lecture 16 - Lecture 16 Amino Acid and Protein Structure...

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Lecture 16 Amino Acid and Protein Structure All proteins are composed of amino acids. Classes of proteins. 1. Enzymes 2. Hormones 3. Structural 4. Immunoproteins 5. Transport proteins 6. Others Parts of an amino acid. 1. Central carbon ( α -carbon) 2. carboxyl group (COOH) 3. hydrogen (H) 4. R group (part that is unique to each amino acid) Basic Amino Acid Structure
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Structures of Individual Amino Acids
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Structures of Individual Amino Acids (Continued)
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Amino acids can be classified in two different ways. 1. Essential amino acids Essential amino acids cannot be made by the body and therefore must be obtained from food. *Note: Some nonessential amino acids may be conditionally essential say at times of injury.
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2. Based on solubility in water These amino acids are classified as either hydrophobic or hydrophilic. Hydrophilic amino acids in proteins can interact with other hydrophilic molecules in solution (i.e. bind minerals). Hydrophobic
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This note was uploaded on 01/19/2010 for the course NTR 342 taught by Professor Tillman during the Fall '09 term at University of Texas at Austin.

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Lecture 16 - Lecture 16 Amino Acid and Protein Structure...

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