Table 1 Universally abundant compositional biases ***

{C}

1.8

13 (13)

{P}

2.5

13 (13)

{GP}

5.0

12 (13)

{Q}

6.5

11 (13)

{G}

6.9

11 (13)

{E}

8.8

11 (13)

{S}

11.5

11 (13)

{ED}

15.4

6 (12)

{H}

23.7

1 (13)

{RS}

26.8

1 (13)

{T}

31.5

6 (13)

{A}

32.2

3 (13)

{KE}

34.9

0 (13)

{K}

37.6

3 (13)

{SR}

44.6

0 (13)

{QP}

45.6

3 (13)

{R}

52.5

1 (13)

{PA}

53.9

0 (12)

{PG}

56.8

3 (13)

{PM}

56.9

0 (12)

{EQKL}

61.2

1 (9)

{QH}

65.9

2 (13)

{CD}

68.2

1 (13)

{GR}

69.5

0 (13)

{SP}

71.8

0 (10)