d : draw

f : full draw

p : previous draw

s : select the closest peak

k : delete the closest peak

3D NOE Assignment:

x : search H chemical shift (from the first 3D 15N-/13C-edited NOESY spectrum) in AssignPanel based on H tolerance

4D NOE Assignment:

c : equal to double clicking the crosspeak in a 4D spectrum

n : assign HN-->HN NOEs in a 4D 15N/13C spectrum