Q2 - STUDENT ID D H E I F G B C A KEY A BioBM331 QUIZ 2a...

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STUDENT ID KEY A BioBM331 QUIZ 2 a 9/13/06 1. (9 pts) Match the word in the left column with the description in the right column. Use a letter only once. D hydrophobic interaction A. Phe-Met-Leu-Ile-Ala-Trp-Val-Leu-Ile H holoprotein B. specific geometry is stabilized E prosthetic group C. Lys-Ala-Leu-Glu-Val-Ile-Asp-Met-Leu-Ser I ion-dipole interaction D. reason proteins have a nonpolar core F isozyme E. not an amino acid G kinase F. catalytically and structurally similar to another protein B hydrogen bond G. must use a nucleotide triphosphate, such as ATP or GTP C amphipathic H. myoglobin is a good example A buried in a biomembrane I. weak and weakly directional 2. (8 pts) Draw ONLY THE SIX ATOMS that are constrained to lie in a plane because of the properties of the peptide bond. Label the two C α . Show with an arrow and a label the bond that allows the φ rotation, and the bond that allows the ψ rotation. Show with an arrow labeled "PARTIAL" the bond (not a carbonyl) that has partial double bond character. 3. (6 pts) Match the Ramachandran Maps to the polypeptides. Steric hindrance is shown by stripes. Do not use a particular map as an answer more than once. i.
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Q2 - STUDENT ID D H E I F G B C A KEY A BioBM331 QUIZ 2a...

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