BB lecture 9-17-08 proteins

BB lecture 9-17-08 proteins - Test 1 When Monday 9/22/08...

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Test 1 When – Monday 9/22/08 Time – 6:00-7:30 pm Where – UTC 2.112A (University Teaching Center) UTC is near the Perry-Castaneda Library on South side of campus
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Learning objectives - For Proteins… Know the elements of typical proteins Be able to draw the basic amino acid molecule Explain how amino acids may be grouped according to the R group properties Describe the building-block molecules, structure, and biological roles of proteins Identify the peptide bond and describe how it is formed Know the forces responsible for protein configurations as primary, secondary, tertiary and quaternary structures Terms to know include…polypeptides, disulfide bridge, pleated sheet, helix, denaturation/renaturation, chaperonins… Chapter 5 (pp.77-86): Large Biological Molecules (continued)
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Amino Acids All composed of C, H, O, N & two also have S Have amino and carboxyl functional groups “R” component on alpha carbon determines properties Polar, nonpolar, acid, base Polypeptides Are polymers of amino acids Proteins Consist of one or more polypeptides Have great diversity in structure and function (reference Table 5.1, pg. 78 in text)
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Fig. 5-UN1 Amino group Carboxyl group α carbon
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Fig. 5-17a Nonpolar Glycine (Gly or G) Alanine (Ala or A) Valine (Val or V) Leucine (Leu or L) Isoleucine (Ile or I ) Methionine (Met or M) Phenylalanine (Phe or F) Tryptophan (Trp or W) Proline (Pro or P)
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Fig. 5-17b Polar Asparagine (Asn or N) Glutamine (Gln or Q) Serine (Ser or S) Threonine (Thr or T) Cysteine (Cys or C) Tyrosine (Tyr or Y)
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Fig. 5-17c Acidic Arginine (Arg or R) Histidine (His or H) Aspartic acid (Asp or D) Glutamic acid (Glu or E) Lysine (Lys or K) Basic Electrically charged
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Fig. 5-17 Overview of amino acids Nonpolar Glycine (Gly or G) Alanine (Ala or A) Valine (Val or V) Leucine (Leu or L)
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BB lecture 9-17-08 proteins - Test 1 When Monday 9/22/08...

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