Feb 24 Flashcards
1
Q
What is noncrystllographic symmetry?
A
It is when you have regions of local symmetry, but it is not present throughout the entire crystal.
2
Q
How is resolution refinement monitored?
A
It is when select 10% of data randomly, the R factor of the (FObs-Fcalc)/Fobs gets smaller as the model gets better as difference between obs and calc gets smaller
3
Q
Why would AA that is pre-proline be restricted in movement?
A
Because 5 membered ring of proline will affect side chain placement of other AA.
4
Q
Why would glycine have a wide rotational and torsional bond angle variation in peptide?
A
No side chain, less sterically hindered
5
Q
A
