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Table 1 Tryptic peptides identified through MS/MS analysis

From: Purification and enzymatic characterization of a novel metalloprotease from Lachesis muta rhombeata snake venom

Scan time

Fragmentation mode

MS/MS derived sequence

z

Observed m/z

Calculated m/z

Mass deviation (ppm)

Score

19.56

HCD

TFGEWRER

2

540.7645

540.7647

−0.37

623.7

5.86

HCD

VLLNR

2

307.7031

307.7028

0.97

309.1

28.43

HCD

SNQDLINVQSAAADTLK

2

894.4609

894.4603

−2.35

415.4

35.27

HCD

DYYEMFLTK

2

605.2787

605.2785

0.33

288.7

14.12

HCD

YNGNLNTIR

2

532.7779

532.7778

0.19

476.3

10.00

HCD

NSVGIVQDHSPK

2

640.8334

640.8333

0.16

716.8

28.43

HCD

TRVHEIVNTLNGFYR

2

909.9846

909.9841

0.55

730.8

13.42

HCD

KPQCILNKP

2

549.3105

549.3104

0.19

431.7

36.74

ETD

YIELVVVADHGMFTK

3

574.6362

574.6359

0.52

722.1

28.49

ETD

VHEIVNTLNGFYR

3

521.2755

521.2756

−0.19

926.1

3253

ETD

ISHDNAQLLTAIDLADNTIGIAYTGGMCYPK

5

671.3300

671.3296

0.60

1359.6

9.63

ETD

NSVGIVQDHSPK

3

427.5580

427.5580

0

707.5

37.16

ETD

HDENHCHCSASFCIMPPSISEGPSYEFSDCSK

5

755.3034

755.3031

0.40

1248.5

32.92

ETD

TLLIAVTMAHELGHNLGMK

4

517.0287

517.0288

−0.19

1093.1

9.72

ETD

RKPQCILNKP

3

418.5764

418.5764

0

545.7

19.86

ETD

KPQCILNKPX

3

404.2375

404.2374

0.25

550.7

18.00

ETD

RKPQCILNKPX

3

456.2714

456.2711

0.66

383.5

  1. Cys residues are carbamidomethylated and amino acid residues different from the database are shown in bold. X represents Leu/Ile. M is oxidized Met