quiz 1-key - STUDENTID KEYA BioBM331 QUIZ1a 9/5/07

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

View Full Document Right Arrow Icon
STUDENT ID KEY A BioBM331 QUIZ 1 a 9/5/07 1. (11 pts) Draw the structure of the dipeptide Gln-Glu at pH 7 . Show all atoms explicitly . Label both α and both β carbons. Show the correct form of each ionizable group. 2. (6 pts) Answer the PyMOL questions: a. Print the words COMMAND LINE in a b image after the "lines" display appears c. Draw a square needed to get this image d. Circle what is shown in this image: {Ala} {Lys} {Mb} {Ebola protein} {antibody(Ab) fragment} (circle one ) e. Circle what is shown in this image: {2 AA in an ion pair} {heme & Lys} {Ab fragment & HIV} (circle one ) f. Circle what is in the large PyMOL window: {AA residue from the "Build" menu} {AA residue, one atom shown as "spheres"} {Ab fragment} {AA residue + ion} {AA residue + "organic"} (circle one ) 3. (9 pts) Hemoglobin 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.
Background image of page 1

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

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

Page1 / 3

quiz 1-key - STUDENTID KEYA BioBM331 QUIZ1a 9/5/07

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online