X	Precursor	Cleaved form
G	886.58	697.58
A	900.60	711.60
S	916.59	727.59
P	926.61	737.61
V	928.63	739.63
T	930.61	741.61
C*	1003.57	814.57
I*	1013.64	824.64
L	942.64	753.64
N*	1014.60	825.60
D	944.59	755.59
Q	957.62	768.62
K*	1028.65	839.65
E	958.60	769.60
M*	1031.60	842.60
H	966.62	777.62
F	976.63	787.63
R	985.66	796.66
Y	992.62	803.62
W*	1015.64	826.64
*: D-Ser-Xaa form