Sequence range

[M+H]+ calcd

m/z (exp.)

1 - 12

1551.63

1550.54

2 - 12

1420.59

1419.81

2 - 19

2367.04

2366.54

12 - 21

1380.70

1380.92

12 - 26

1867.98

1867.36

30 - 36

808.36

808.74

30 - 46

2146.01

2146.43

30 - 50

2621.18

2621.70

37 - 46

1372.67 *

1372.70 *

46 - 62

1890.96

1890.88

50 - 62

1458.79

1459.57

51 - 62

1359.73

1360.73

52 - 64

1464.75

1465.69

53 - 65

1480.78

1481.64

57 - 65

1041.56

1041.68

65 - 76

1303.59

1303.74

80 - 88

1008.53

1008.78

85 - 94

1168.68

1168.50

85 - 95

1239.72

1240.01

96 - 109

1437.74

1437.79

96 - 112

1793

1793.62

98 - 110

1366.71

1366.70

114 - 130

2044.97

2045.40

119 - 127

1137.63

1137.69

119 - 131

1718.78

1718.40

128 - 137

1319.63

1318.72

132 - 142

1309.65

1309.60

143 - 155

1449.79

1449.73

143 - 156

1596.86

1596.93

157 - 167

1287.58

1286.68

159 - 164

745.28

745.87

159 - 167

1087.47

1086.70

159 - 169

1299.62

1299.49

160 - 165

697.28

696.81

160 - 168

1053.48

1053.31

169 - 176

1001.58

1002.25

171 - 176

789.43

789.09

171 - 181

1282.63

1283.24

176 - 186

1208.65

1208.52

184 - 192

1118.61

1118.70

187 - 205

2106.01

2106.37

187 - 207

2310.10

2310.25

187 - 217

3214.48

3214.71

188 - 206

2139.99

2140.42

193 - 208

1712.81

1712.66

196 - 206

1152.55

1151.69

207 - 218

1127.49

1127.75

207 - 226

1840.80

1841.19

209 - 218

923.40

924.16

209 - 226

1636.71

1637.08

209 - 239

2890.26

2889.73

218 - 225

732.33

732.26

219 - 239

1985.88

1986.24

227 - 239

1272.57

1272.72

263 - 280

2002.87

2003.44

280 - 312

3100.35

3100.89

280 - 314

3342.47

3342.67

286 - 312

2482.06

2482.02

286 - 314

2724.18

2724.79

*oxidation of tryptophan residue
Table 3: MALDI MS analysis of RA33 peptides after thermolysin digest.