The following table summarizes the most important NOEs observed between
proton pairs in proteins as a function of
the secondary structure:
|
NOE
|
alpha
helical
|
310-helix
|
Parallel
beta sheet
|
Anti-parallel
beta sheet
|
|
daN(i,i+1)
|
medium/weak
|
medium/weak
|
very strong
|
very strong
|
|
daN(i,i+2)
|
|
weak
|
|
|
|
daN(i,i+3)
|
medium/weak |
weak
|
|
|
| daN(i,i+4) |
weak
|
|
|
|
|
dab(i,i+3)
|
medium/weak
|
medium/weak
|
|
|
|
dbN(i,i+1)
|
|
|
weak
|
weak
|
|
dNN(i,i+1)
|
strong/medium
|
strong/medium |
weak
|
weak
|
| dNN(i,i+2) |
weak
|
weak
|
|
|
|
daa(i,j)
|
|
|
strong
|
weak
|
|
daN(i,j)
|
|
|
medium/weak
|
weak
|
|
dNN(i,j)
|
|
|
medium/weak
|
medium/weak
|