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Table 3 Sequence coverage and peptide masses of Genotropin®

From: Mass spectrometrical analysis of recombinant human growth hormone (Genotropin®) reveals amino acid substitutions in 2% of the expressed protein

Sequence Coverage: 86%

Matched peptides shown in Bold

1

FPTIPLSRLF DNAMLRAHRL HQLAFDTYQE FEEAYIPKEQ KYSFLQNPQT

51

SLCFSESIPT PSNREETQQK SNLELLRISL LLIQSWLEPV QFLRSVFANS

101

LVYGASDSNV YDLLKDLEEG IQTLMGR LED GSPRTGQIFKQTYSKFDTNS

151

HNDDALLKNY GLLYCFRKDM DKVETFLR IV QCRSVEGSCG F

Start – End

Observed

Mr(expt)

Mr(calc)

Delta

Miss

Sequence

1–8

930.61

929.60

929.53

0.07

0

FPTIPLSR

1–16

1906.97

1905.96

1906.01

- 0.05

1

FPTIPLSRLFDNAMLR Oxidation (M)

9–16

979.51

978.50

978.50

0.01

0

LFDNAMLR

17–38

2706.34

2705.33

2705.32

0.00

1

AHRLHQLAFDTYQEFEEAYIPK

20–38

2342.12

2341.11

2341.13

- 0.02

0

LHQLAFDTYQEFEEAYIPK

20–41

2727.35

2726.34

2726.32

0.02

1

LHQLAFDTYQEFEEAYIPKEQK

39–64

3058.51

3057.50

3057.45

0.05

1

EQKYSFLQNPQTSLCFSESIPTPSNR

42–64

2673.26

2672.26

2672.25

0.00

0

YSFLQNPQTSLCFSESIPTPSNR

42–70

3416.79

3415.78

3415.60

0.18

1

YSFLQNPQTSLCFSESIPTPSNREETQQK

65–77

1587.80

1586.79

1586.83

- 0.03

1

EETQQKSNLELLR

78–94

2055.19

2054.18

2054.19

- 0.01

0

ISLLLIQSWLEPVQFLR

95–115

2262.09

2261.08

2261.12

- 0.04

0

SVFANSLVYGASDSNVYDLLK

95–127

3621.02

3620.02

3619.77

0.25

1

SVFANSLVYGASDSNVYDLLKDLEEGIQTLMGR Oxidation (M)

116–127

1377.62

1376.62

1376.66

- 0.05

0

DLEEGIQTLMGR Oxidation (M)

141–158

2097.01

2096.00

2095.98

0.02

1

QTYSKFDTNSHNDDALLK

146–158

1489.66

1488.65

1488.68

- 0.03

0

FDTNSHNDDALLK

146–167

2676.26

2675.25

2675.24

0.01

1

FDTNSHNDDALLKNYGLLYCFR

159–167

1205.56

1204.55

1204.57

- 0.02

0

NYGLLYCFR

159–168

1333.64

1332.63

1332.66

- 0.03

1

NYGLLYCFRK

169–178

1253.58

1252.57

1252.61

- 0.04

1

DMDKVETFLR

169–178

1269.57

1268.56

1268.61

- 0.04

1

DMDKVETFLR Oxidation (M)

  1. Sequence coverage of 86% and 21 matching peptides of Genotropin® to human growth hormone could be detected using MALDI MS/ MS-MS data.