Sequence range

[M+H]+ calcd

m/z (exp.)

3-27

2676.20

2676.16

35 - 42

981.49

981.49

35 - 50

1979.97

1979.98

43 - 50

1017.49

1017.49

53 - 59

775.42

775.42

60 - 71

1291.65

1291.63

73 - 85

1510.74

1510.74

86 - 91

790.40

790.43

94 - 112

1872.11

1872.13

113 - 145

3416.75

3416.67

149 - 155

786.47

786.47

158 - 168

1240.69

1240.67

175 - 194

2233.14

2233.10

195 - 205

1254.73

1254.73

206 - 215

1071.59

1071.57

216 - 234

1969.92

1969.91

216 - 235

2098.01

2098.01

235 - 254

2520.22

2520.17

236 - 254

2392.13

2392.10

255 - 268

1533.85

1533.87

255 - 270

1761.02

1761.91

Table 1: MALDI MS analysis of Fibrillarin peptides after tryptic digest.