Table 3 Frequencies of occurrence for each residues and character class in the retained patterns.

Exact pattern discovery

Chemical equivalency set

Structural equivalency set

A (alanine)

8

5

6

R (arginine)

3

2

2

N (aspargine)

4

3

3

D (aspartic acid)

6

4

4

C (cysteine)

1

1

1

E (glutamic acid)

5

4

3

Q (glutamine)

2

1

2

G (glycine)

13

9

10

H (histidine)

3

2

2

I (isoleucine)

5

3

3

L (leucine)

9

6

6

K (lysine)

4

3

3

M (methionine)

2

1

1

F (phenylalanine)

4

3

2

P (proline)

6

4

4

S (serine)

7

5

5

T (threonine)

6

3

3

W (tryptophan)

2

2

1

Y (tyrosine)

4

3

2

V (valine)

7

4

4

AG/ITV

-

6

10

DE/DLN

-

3

7

FY/KMR

-

3

5

QN/EQ

-

2

2

ILMV/FHWY

-

12

7

ST/CS

-

5

2

KR/-

-

3

-