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Mass Data


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  • PROWL - identification of proteins from MS data


 

isotope mass

 

 

element

symbol

nominal mass

exact mass

abundance %

Hydrogen

H
D or
2H

1
2

1.00783
2.01410

99.99
0.01

Carbon

12C
13C

12
13

12.0000
13.0034

98.91
1.09

Nitrogen

14N
15N

14
15

14.0031
15.0001

99.6
0.4

Oxygen

16O
17O
18O

16
17
18

15.9949
16.9991
17.9992

99.76
0.04
0.20

Fluorine

F

19

18.9984

100

Silicon

28Si
29Si
30Si

28
29
30

27.9769
28.9765
29.9738

92.2
4.7
3.1

Phosphorus

P

31

30.9738

100

Sulphur

32S
33S
34S

32
33
34

31.9721
32.9715
33.9679

95.02
0.76
4.22

Chlorine

35Cl
37Cl

35
37

34.9689
36.9659

75.77
24.23

Bromine

79Br
81Br

79
81

78.9183
80.9163

50.5
49.5

Iodine

I

127

126.9045

100

 

 

 

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Literature Search

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