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Table 5 Theoretical and obtained peptides mass generated by Lys-C digestion of rPstS-1 produced in P. pastoris

From: Recombinant O-mannosylated protein production (PstS-1) from Mycobacterium tuberculosis in Pichia pastoris (Komagataella phaffii) as a tool to study tuberculosis infection

Peptide name

Position of cleavage site

Peptide

Length (aa)

Theoretical Peptide mass (Da)

Modification

Peptide mass (Da)

P1

6

AGCGSK

6

521.589

 

ND

P2

97

PPSGSPETGAGAGTVATTPASSPVTLAETGSTL

LYPLFNLWGPAFHERYPQVTITAQGTGSGAGIA

QAAAGTVNIGASDAYLSEGDMAAHK

91

8916.801

 

ND

P3

123

GLMNIALAISAQQVNYNLPGVSEHLK

26

2781.222

 

ND

P4

127

LNGK

4

430.504

 

ND

P5

138

VLAAMYQGTIK

11

1194.455

 

ND

P6

180

TWDDPQIAALNPGVNLPGTAVVPLHRSDGSGD

TFLFTQYLSK

42

4500.004

 

ND

P7

188

QDPEGWGK

8

915.958

 

D) 916.41

P8

270

SPGFGTTVDFPAVPGALGENGNGGMVTGCAE

TPGCVAYIGISFLDQASQRGLGEAQLGQSSGN

FLLPDAQSIQAAAAGFASK

82

8005.854

 

D) 8001.84

P9

303

TPANQAISMIDGPAPDGYPIINYEYAIVNNRQK

33

3635.065

 

D) 3633.80

P10

324

DAATAQTLQAFLHWAITDGNK

21

2272.502

 

D) 2272.13

P11

342

ASFLDQVHFQPLPPAVVK

18

1993.336

 

ND

P12

353

LSDALIATISS

11

1090.239

 

ND

  1. Mark of D) referred the mass spectrum from Fig. 4d
  2. Hex hexose, ND no determined