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Table 4 The main unique alpha-gliadin protein fragments in ten different alpha-gliadin profiles

From: Quantitative and qualitative differences in celiac disease epitopes among durum wheat varieties identified through deep RNA-amplicon sequencing

UPF

1

2

3

4

5

6

7

8

9

10

DQ2.5-glia-α1 to -α3 fragment

P1

32

25

60

60

62

67

54

31

42

20

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P2

 

7

  

15

  

15

36

23

PFPQPQLSYSQPQPFRPQQPYPQPQPQY

P3

  

18

    

6

  

PFPQPQLPY SHPQPFRPQQPYPQPQPQY

P4

 

5

        

PFLQPQLPYSQPQPFRPQQPYPQPQPQY

P5

     

15

    

PFPQPQLPY SHPQPFRPQQPYPQPQPQY

P6

     

9

    

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P7

 

5

 

8

9

   

4

15

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P8

  

6

       

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P9

      

19

  

3

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P10

   

14

      

PFPQLQLPYSQPQPFRPQQPYPQPQPQY

P11

    

3

     

PF-LPQLPYPQPQPFPPQQPYPQPQPQY

P12

         

8

PFPQPQLPY SQPQPFRPQQPYPQPQPRY

P13

25

         

PFPQPQLPY SQPQPFQPQQPYPQPQPQY

P14

 

7

        

PFSQPQLPYSQPQPFRPQQPYPQPQPQY

P17

   

10

      

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P18

20

         

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P19

       

4

 

5

PFPQPQLPY SQPQPFRPQQPYPQPQPHY

P20

      

7

   

PFPQPQLPY LQPQPFRPQQPYPQPQPQY

P22

        

5

7

PFSQPQLPYLQPQLFRPQQPYPQPQPQY

P23

      

9

   

PFPPPQLPYSQPQPFRPQQPYPQPQPQY

P25

7

         

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P27

    

5

     

PFPQPQLPY LQPQPFRPQQPYPQPQPQY

P28

       

6

  

PFL-PQLPYPQPQPFPPQQSYPQPQPQY

P31

   

4

      

PFPQPQLPY LQPQPFRPQQPYPQPQPQY

P33

       

3

  

PFP-PQLPYPQPQSFPPQQPYPQQQPQY

P35

         

4

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P37

       

4

  

PFPQPQLPYSQPQPFRPQQPYPQPQPQY

P39

       

4

  

PFPQPQLPYSQPQPFRPQQPYPQPQPQY

P42

       

3

  

PFP-PQLPYPQAQPFPTQQPYPQPQPQY

P43

 

11

        

PFPQPQLPYPQPQPFRPQQPYPQPQPQY

P46

       

3

  

PFPQPQLPY SQPQPFRPQQPYPQPQPQY

P49

 

9

        

PFPPPQLPYSQPQPFRPQQPYPQPQPQY

P55

       

3

  

PFPQPQLPY LQPQPFRPQQPYPQPQPQY

P62

 

7

        

PFPQPQLPYPQPQPFRPQQPYPQPQPQY

P77

 

4

        

PFPQPQLPYPQPQPFRPQQPYPQPQPQY

P82

 

3

        

PFPQPQLPYPQPQLPYPQPQPFRPQQPYPQPQPQY

Total (%)

84

83

84

96

94

91

89

82

87

85

 
  1. The main UPFs for expression profiles (n = 10) and their average normalised transcript abundances are shown. The main UPF of profiles have an average normalised transcript abundance > 2, in average over all samples with a specific profile, and are expressed in all the plants with that profile. The part of the amino acid sequence of the UPFs that harbours DQ2.5-glia α1 to -α3 is depicted, with P to S substitutions and other substitutions depicted in bold; underlined are canonical DQ2.5-glia a1, -α2 and α3 epitopes. Each expression profile, group 1–10, represents a total of respectively, 33998, 2779, 181184, 37917, 28857, 19863, 33105, 36973, 43252 and 3019 alpha-gliadin transcript 454 sequences. In case of identical amino acid fragments, the different proteins can be distinguished by differences in sequences outside the depicted sequence.