Amino Acids - Ecu

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• Secondary structures are arranged into domains or modules. 3) Tertiary Structure: the way in which the secondary structural elements are folded; the spatial distribution of side chains. • Hydrophobic effect is a major factor in determining the folding pattern • Secondary structural elements fold first to maximize H-bonds; then interactions between these elements occur
4) Quaternary Structure: subunit organization; kinds of subunits, number of subunits and the ways in which they interact with one another. • Multisubunit proteins are also referred to as oligomers. • Proteins composed of a single type of monomer are homomultimeric; those composed of two or more different subunits are heteromultimeric. • Hemoglobin has two each of two different subunits; it’s structure is designated α 2 β 2 .
Page 1 and 2: Amino Acids and Proteins
Page 3 and 4: Amino acids at neutral pH are dipol
Page 5 and 6: Structure of glycine at differing p
Page 7 and 8: Aliphatic Non-Polar Amino Acids H 2
Page 9 and 10: Polar Uncharged Amino Acids COO - H
Page 11 and 12: COO - H 3+ N - C - CH 2 S S CH 2 H
Page 13 and 14: Acidic Amino Acids COO - COO - H 3+
Page 15 and 16: Chirality in Amino Acids CHO HO - C
Page 17 and 18: H O H NH - C - C - OH 2 H N - C - C
Page 19 and 20: H O H NH - C - C 2 - OH H - N - C -
Page 21 and 22: Functions of Proteins: • Enzymes
Page 23 and 24: • Protein chains have a direction
Page 25 and 26: The Peptide Bond is a Resonance Str
Page 27 and 28: Each carboxyl oxygen is hydrogen bo
Page 29: Composed of 4 amino acids; the firs
Page 33: Structure determines function: one

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