{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

1k' - NET ID KEY A BioBM3310 QUIZ 1a 1(11 pts Draw the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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 iv. Ebola protein 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!
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}