Lecture 3 outline - a u r i n e 5 Hydrophobic and Hydrophilic amino acids(Table 3.1 Horton et al 2002 on Eres B Ionization of amino acids 1 Amino

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Lecture #3: Amino Acids and Peptides I. Amino Acids (aas) A. Structure 1. General structure 2. Are tetrahedral, the α -C is a chiral center (exception = glycine) (fig 1-19)
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3. Amino Acids differ as to their side chains (R groups) a) 5 classes b) Structures (handout 7, fig 3-5) 4. Nonstandard amino acids (fig 3-8) a) Found in collagen in connective tissue and derived from standard amino acid precursors: 4-hydroxyproline 5-hydroxylysine
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b) Not found in proteins (about 300) Intermediates in arginine synthesis and the urea cycle o r n i t h i n e citrulline O t h e r : T
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Unformatted text preview: a u r i n e 5. Hydrophobic and Hydrophilic amino acids (Table 3.1, Horton et al. 2002, on Eres) B. Ionization of amino acids 1. Amino acids are ionized in aqueous solution. 2. Amino acids have characteristic titration curves example 1: glycine (fig 3-10) example 2: glutamate (fig. 3-12) C. Separation and detection of amino acids 1. Ion exchange chromatography Cation exchange column (handout #8) 2. Isoelectric focusing (fig 3-21) II. Peptides A. The Peptide Bond (fig 3-13) B. Vocabulary (fig 3-14) C. Peptides with biological activity...
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This note was uploaded on 04/07/2008 for the course BIO 105 taught by Professor Sullivan during the Spring '08 term at University of California, Santa Cruz.

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Lecture 3 outline - a u r i n e 5 Hydrophobic and Hydrophilic amino acids(Table 3.1 Horton et al 2002 on Eres B Ionization of amino acids 1 Amino

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