1k' - NET ID KEY A BioBM3310 QUIZ 1a 9/9/09 1. (11 pts)...

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NET ID KEY A BioBM3310 QUIZ 1 a 9/9/09 1. (11 pts) Draw the structure of the dipeptide Glu-Val at pH 7 . Show all atoms explicitly . Label both α and both β carbons. Show the correct form of each ionizable group. PyMOL IMAGES 2. (6 pts) Answer these PyMOL questions: a. Print the words SELECT ORGANIC in a proper place in the large PyMOL window. b . This image came from Show As (circle one) i. sticks ii. lines iii. cartoons iv. spheres c. Draw a square around the Menu Button needed to get this image from the image above it. d. Circle what is shown in this image: Ala Lys Mb Ebola protein e. Circle what is shown in this image: i. Mb with heme ii. heme & Lys iii. Ab fragment & HIV f. Circle what is in the large PyMOL window : i. AA residues, one atom shown as "spheres" ii. The Ab fragment iii. an AA residue + ion iv. an AA residue + "organic" v. Ala-Gly-His from the "Build" menu 3. (9 pts) Protein "X" has a terminal amino and a terminal carboxyl that are next to each other. Estimate the fraction of these NH 3 + - OOC neighbors that could be in an ion-pair bond at the following pH values. Choose the closest value. Circle your answers! And show your calculations in the space below for at least one of your answers!
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This note was uploaded on 09/19/2010 for the course BIOBM 3310 taught by Professor Feigenson,gw during the Fall '07 term at Cornell University (Engineering School).

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1k' - NET ID KEY A BioBM3310 QUIZ 1a 9/9/09 1. (11 pts)...

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