GVSU Chemistry Tutorial

Markers

1. Atom key giving colors of atoms
   
2. N-terminus location
   
3. Side chain location
   
4. C-terminus location
   
   

Question

Q1) In which direction do the side chains point in an alpha helix? Into the helix? Out of the helix? Upward? Downward?

Q2) There are 11 amino acids in this helix. Is there a side chain for each amino acid?

Q3) The side chains of which two amino acids are closest to the sixth side chain? Side chain (#) ___ and side chain (#) ______ are the closest to side chain 6.
(Note: the N-terminal amino acid is number 1 and the C-terminal amino acid is number 11.)