Novel motif

Instances in the known phosphoproteome

Instances in phosphorylation dataset identified by Molina et al., 2007.

Instances in phosphorylation dataset identified by five other mass spectromtery studies

1

pS[E/D]X[E/D][E/D]

99

55

105

2

pSPXXXP

155

31

1146

3

GGpS

29

13

33

4

pSPXXXT

58

27

1045

5

DXXXp[S/T]P

82

14

1086

6

QXp[S/T]P

47

12

1034

7

p[S/T]PPP

56

12

1056

8

PXpSPX[R/K]

29

8

1231

9

PSp[S/T]P

37

11

1035

10

EXSXp[S/T]P

20

9

1283

11

PPp[S/T]P

36

9

1035

12

PPXp[S/T]P

46

9

1032

13

PpSXL

17

7

15

14

PLp[S/T]P

32

6

1027

15

TpTP

31

5

75

16

QXPp[S/T]P

20

5

1006

17

GXpYG

11

3

2

18

GXXpYX[G/S]

20

2

11

19

Mp[S/T]P

26

2

1006

20

p[S/T]PGG

15

2

1009

21

pYXXPE

14

1

8

22

QPXp[S/T]P

18

1

1011

Table 3: Incidence of predicted motifs in experimental data sets obtained by recently published large scale phosphoproteome analyses.