Chemistry Reference
In-Depth Information
Parent Peptide
Fragments
VQGEESNDK
a
8
NH=CH-CO-
QGEESNDK
a
Calc:
m
/
z
831.35
Calc:
m
/
z
961.47
Exp. 831.39
Exp. 961.45
KKALRRQETVDAL
NH=CH-CO-
KALRRQETVDAL
a
z
12
•
Calc:
m
/
z
1382.78
Calc:
m
/
z
1455.89
Exp. 1382.91
Exp. 1455.82
YEVHHQKLVFF
[a
7
+ Na]
+
a
NH=CH-CO-
EVHHQKLVFF
a
Calc:
m
/
z
916.46
Calc:
m
/
z
1339.88
Exp. 916.52
Exp. 1339.82
CGNLSTCMLGTYTEDFNKFH
TFPQTAIGVGAP-NH
2
a
18
•
a
15
•
Calc:
m
/
z
1947.83
Calc:
m
/
z
1552.82
Exp. 1947.82
Exp. 1552.79
SYSMEHFRWGKPVGKKR
a
11
a
15
a
16
NH=CH-CO-
YSMEHFRWGKPVGKKR
a
Calc:
m
/
z
1381.65
Calc:
m
/
z
1762.85
Calc:
m
/
z
1890.98
Calc:
m
/
z
2062.09
Exp. 1381.61
Exp. 1762.82
Exp. 1890.90
Exp. 2061.99
Ac-SYSMEHFRWGKPVGKKR
a
11
a
15
a
16
Calc:
m
/
z
1423.66
Calc:
m
/
z
1804.90
Calc:
m
/
z
1932.99
Exp. 1423.62
Exp. 1804.83
Exp. 1932.92
SYSMEHFRWGKPVGKKRRPVKVYP
a
11
a
15
a
16
a
21
Calc:
m
/
z
1381.65
Calc:
m
/
z
1762.85
Calc:
m
/
z
1890.98
Calc:
m
/
z
2527.40
Exp. 1381.58
Exp. 1762.78
Exp. 1890.86
a
Loss of side chain of N-terminus.
Adapted from Yin et al. [157] with the permission of the American Society of Mass Spectrometry.
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