# Turn propensities

### Overall turn potentials and positional potentials

The columns represent the positional potentials for each residue at each position in beta turns.

```residue   i    i+1   i+2   i+3 overall
--------------------------------------
I    0.66  0.61  0.42  0.68  0.59
F    0.98  0.66  0.96  0.95  0.89
V    0.72  0.70  0.54  0.84  0.70
L    0.73  0.67  0.47  0.78  0.66
W    0.62  0.65  0.76  0.79  0.70
M    0.70  0.48  0.41  0.68  0.57
A    0.81  0.96  0.66  0.89  0.83
G    1.09  1.04  2.14  1.64  1.48
C    1.42  0.73  0.98  1.20  1.08
Y    1.04  0.75  0.83  1.07  0.92
P    1.48  2.45  0.63  0.96  1.38
T    1.08  0.79  0.94  1.20  1.00
S    1.29  1.23  1.06  1.03  1.15
H    1.25  0.95  1.16  0.93  1.07
E    0.87  1.35  0.92  0.89  1.01
N    1.54  1.02  2.14  1.06  1.44
Q    0.89  0.94  0.93  1.01  0.94
D    1.56  1.24  1.86  0.99  1.41
K    0.80  1.22  0.94  1.10  1.01
R    0.69  0.93  0.75  0.93  0.82
```

### Type dependent positional potentials

For each type there are 4 sections for each residue. Each section represents a position in the turn. Within each section the first number represents the number of examples, the second number is the potential and the 3rd number is the significance as calculated by a d test. Values with mod(d) >= 1.97 were taken as significant. For types VIa and VIb only the number of examples are given.

### Propensities type I

```      position i         position i+1       position i+2       position i+3
----------------------------------------------------------------------------
I    21  0.32 -5.73     40  0.60 -3.33     19  0.29 -5.98     50  0.75 -2.07
F    40  0.81 -1.37     21  0.42 -4.13     56  1.13  0.95     50  1.01  0.08
V    33  0.39 -5.78     61  0.72 -2.61     42  0.50 -4.76     65  0.77 -2.16
L    68  0.68 -3.38     70  0.70 -3.17     52  0.52 -5.05     74  0.74 -2.76
W    10  0.54 -1.98     12  0.65 -1.51     24  1.30  1.31     21  1.14  0.60
M    16  0.65 -1.75     13  0.53 -2.36     10  0.41 -2.97     15  0.61 -1.95
A    68  0.63 -3.99    115  1.07  0.76     86  0.80 -2.17     93  0.87 -1.46
G   109  1.07  0.74     41  0.40 -6.29     62  0.61 -4.12    242  2.38 14.51
C    36  1.57  2.75     20  0.87 -0.62     22  0.96 -0.20     31  1.35  1.69
Y    30  0.66 -2.37     28  0.61 -2.67     41  0.90 -0.71     39  0.85 -1.02
P    76  1.31  2.40    203  3.49 19.46     12  0.21 -6.20      2  0.03 -7.54
T    81  1.11  0.95     69  0.94 -0.49    105  1.44  3.85     81  1.11  0.95
S   120  1.52  4.74    119  1.50  4.63    102  1.29  2.65     81  1.02
0.21
H    45  1.60  3.20     15  0.53 -2.52     28  0.99 -0.04     26  0.92 -0.42
E    54  0.74 -2.28    112  1.54  4.72     88  1.21  1.83     74  1.02  0.13
N   125  2.25  9.50     38  0.68 -2.43    126  2.26  9.63     60  1.08  0.59
Q    31  0.72 -1.91     35  0.81 -1.29     51  1.18  1.18     25  0.58 -2.84
D   180  2.51 13.15     86  1.20  1.72    182  2.54 13.40     80  1.11  0.99
K    50  0.70 -2.57     85  1.20  1.70     72  1.01  0.11     78  1.10  0.85
R    36  0.64 -2.75     48  0.86 -1.11     49  0.88 -0.97     44  0.78 -1.65
```

### Propensities type II

```      position i         position i+1       position i+2       position i+3
----------------------------------------------------------------------------
I    22  1.01  0.03     14  0.64 -1.73      0  0.00 -4.81     24  1.10  0.47
F    20  1.23  0.95     12  0.74 -1.08      6  0.37 -2.60     13  0.80 -0.83
V    31  1.12  0.65     12  0.43 -3.09      0  0.00 -5.45     31  1.12  0.65
L    24  0.73 -1.64     23  0.70 -1.83      7  0.21 -4.73     23  0.70 -1.83
W     3  0.49 -1.25      4  0.66 -0.85      2  0.33 -1.66      6  0.99 -0.03
M     6  0.74 -0.74      5  0.62 -1.10      1  0.12 -2.52     11  1.36  1.04
A    37  1.05  0.29     43  1.22  1.35      5  0.14 -5.34     38  1.07  0.47
G    32  0.96 -0.27      6  0.18 -4.96    307  9.17 49.34     19  0.57 -2.61
C     1  0.13 -2.41      0  0.00 -2.77      2  0.26 -2.04     13  1.72  2.00
Y    24  1.59  2.35     11  0.73 -1.06      3  0.20 -3.17     19  1.26  1.04
P    38  1.99  4.42     94  4.91 17.54      0  0.00 -4.48      0  0.00 -4.48
T    22  0.91 -0.43     16  0.67 -1.69      3  0.12 -4.43     27  1.12  0.62
S    23  0.88 -0.62     25  0.96 -0.21      8  0.31 -3.66     36  1.38  2.02
H    14  1.51  1.57      9  0.97 -0.09      6  0.65 -1.09      9  0.97 -0.09
E    24  1.00  0.00     29  1.21  1.06      3  0.13 -4.42     29  1.21  1.06
N    21  1.15  0.64     12  0.65 -1.51     23  1.25  1.12     10  0.55 -1.99
Q    17  1.19  0.74     18  1.26  1.01      8  0.56 -1.69     20  1.40  1.55
D     8  0.34 -3.31     24  1.02  0.08     12  0.51 -2.47     21  0.89 -0.56
K    25  1.07  0.34     33  1.41  2.05      6  0.26 -3.70     37  1.58  2.90
R    13  0.70 -1.30     15  0.81 -0.82      3  0.16 -3.68     19  1.03  0.13
```

### Propensities type VIII

```      position i         position i+1       position i+2       position i+3
----------------------------------------------------------------------------
I    16  0.92 -0.38     17  0.97 -0.13     22  1.26  1.10     11  0.63 -1.60
F     9  0.69 -1.14      4  0.31 -2.56     20  1.54  1.96     13  1.00 -0.01
V    17  0.77 -1.15     22  0.99 -0.05     35  1.58  2.81     29  1.31  1.49
L    12  0.45 -2.94     23  0.87 -0.71     28  1.06  0.30     22  0.83 -0.92
W     6  1.24  0.52      1  0.21 -1.77      4  0.82 -0.40      1  0.21 -1.77
M     3  0.46 -1.38      3  0.46 -1.38      4  0.62 -0.99      2  0.31 -1.78
A    25  0.88 -0.66     30  1.06  0.32     15  0.53 -2.63     25  0.89 -0.66
G    40  1.49  2.64      8  0.30 -3.80      4  0.15 -4.61     18  0.67 -1.79
C     7  1.16  0.38      6  0.99 -0.03      6  0.99 -0.03      2  0.33 -1.67
Y    11  0.91 -0.32      6  0.50 -1.78     18  1.50  1.74      8  0.67 -1.20
P    42  2.74  6.97     32  2.09  4.35      0  0.00 -4.01     62  4.06 12.2
0
T    22  1.14  0.63     19  0.99 -0.07     25  1.30  1.34     28  1.46  2.04
S    29  1.39  1.83     24  1.15  0.70     18  0.86 -0.66     21  1.01  0.02
H     6  0.81 -0.54      3  0.40 -1.65     10  1.35  0.95      6  0.81 -0.54
E    17  0.89 -0.53     24  1.25  1.12     10  0.52 -2.17     10  0.52 -2.17
N    19  1.30  1.14     12  0.82 -0.72     28  1.91  3.55     13  0.89 -0.46
Q     9  0.79 -0.74     14  1.23  0.77      9  0.79 -0.74      9  0.79 -0.74
D    12  0.63 -1.65     37  1.96  4.27     33  1.75  3.32     15  0.80 -0.94
K    10  0.53 -2.08     25  1.34  1.48     20  1.07  0.29     17  0.91 -0.42
R    12  0.81 -0.75     14  0.95 -0.21     15  1.02  0.05     11  0.75 -1.01
```

### Propensities type I'

```      position i         position i+1       position i+2       position i+3
----------------------------------------------------------------------------
I    11  1.61  1.63      1  0.15 -2.30      0  0.00 -2.69      5  0.74 -0.73
F     6  1.18  0.41      3  0.59 -0.95      4  0.78 -0.50      2  0.40 -1.40
V    13  1.50  1.52      0  0.00 -3.05      0  0.00 -3.05     11  1.28  0.82
L     9  0.87 -0.44      3  0.29 -2.39      0  0.00 -3.36      7  0.68 -1.09
W     2  1.05  0.07      0  0.00 -1.39      2  1.05  0.07      1  0.53 -0.66
M     1  0.39 -0.97      2  0.80 -0.34      1  0.39 -0.97      3  1.19  0.29
A    11  0.99 -0.03      9  0.82 -0.66      1  0.09 -3.17      7  0.64 -1.28
G     5  0.48 -1.77     20  1.92  3.06     91  8.66 25.93      4  0.38 -2.09
C     3  1.27  0.41      1  0.43 -0.90      0  0.00 -1.55      0  0.00 -1.55
Y    12  2.54  3.42      2  0.43 -1.28      6  1.27  0.60      6  1.28  0.60
P     3  0.50 -1.25      0  0.00 -2.51      0  0.00 -2.51      0  0.00 -2.51
T     8  1.06  0.17      0  0.00 -2.83      1  0.13 -2.46      5  0.67 -0.95
S     9  1.10  0.30      8  0.99 -0.06      3  0.37 -1.87      5  0.62 -1.15
H     6  2.06  1.83     12  4.16  5.39      2  0.69 -0.54      0  0.00 -1.73
E     3  0.40 -1.70      5  0.67 -0.95      3  0.40 -1.70     12  1.61  1.68
N     2  0.35 -1.60     30  5.26 10.35      4  0.70 -0.75     10  1.75  1.81
Q     2  0.45 -1.19      3  0.68 -0.71      1  0.22 -1.67      7  1.58  1.22
D     7  0.94 -0.16     19  2.58  4.39      4  0.54 -1.29      6  0.82 -0.53
K     9  1.23  0.63      4  0.55 -1.27      3  0.41 -1.65     25  3.44  6.72
R     5  0.86 -0.33      4  0.70 -0.76      1  0.17 -2.04     10  1.74  1.79
```

### Propensities type II'

```      position i         position i+1       position i+2       position i+3
----------------------------------------------------------------------------
I     2  0.42 -1.33      1  0.21 -1.80      3  0.62 -0.87      0  0.00 -2.27
F     5  1.40  0.74      1  0.28 -1.40      3  0.84 -0.33      5  1.38  0.74
V    10  1.64  1.61      0  0.00 -2.57      2  0.33 -1.73      5  0.81 -0.48
L     4  0.55 -1.29      0  0.00 -2.83      4  0.55 -1.29      4  0.54 -1.29
W     0  0.00 -1.17      0  0.00 -1.17      1  0.75 -0.30      1  0.74 -0.30
M     0  0.00 -1.35      0  0.00 -1.35      1  0.56 -0.60      1  0.56 -0.60
A     6  0.77 -0.69      4  0.51 -1.44      9  1.16  0.43      9  1.15  0.43
G     8  1.09  0.21     68  9.24 23.18      8  1.09  0.21     13  1.75  2.13
C     2  1.20  0.25      1  0.60 -0.53      0  0.00 -1.31      2  1.19  0.25
Y     8  2.42  2.59      0  0.00 -1.86      1  0.30 -1.31      4  1.20  0.37
P     2  0.48 -1.12      0  0.00 -2.11      5  1.19  0.37      0  0.00 -2.11
T     5  0.95 -0.15      0  0.00 -2.38      2  0.38 -1.49     12  2.25  2.97
S     9  1.57  1.38      4  0.70 -0.77     12  2.10  2.67      7  1.21  0.52
H     3  1.47  0.66      0  0.00 -1.45      3  1.47  0.66      0  0.00 -1.45
E     7  1.33  0.75      1  0.19 -1.93      5  0.95 -0.15      3  0.56 -1.04
N     4  0.99 -0.04      1  0.25 -1.56     10  2.48  3.00      6  1.47  0.98
Q     4  1.28  0.48      1  0.32 -1.24      2  0.64 -0.67      3  0.95 -0.10
D     6  1.16  0.34      4  0.77 -0.56     10  1.93  2.14      2  0.38 -1.46
K     1  0.19 -1.90      2  0.39 -1.44      6  1.17  0.36      7  1.35  0.82
R     3  0.74 -0.56      1  0.25 -1.57      2  0.49 -1.06      6  1.46  0.96
```

### Propensities type VIa

```      position i         position i+1       position i+2       position i+3
---------------------------------------------------------------------------
I     0                  0                  0                  0
F     0                  1                  0                  1
V     1                  0                  0                  0
L     1                  1                  0                  2
W     0                  1                  0                  1
M     0                  0                  0                  0
A     1                  3                  1                  1
G     3                  0                  0                  0
C     0                  1                  0                  0
Y     0                  4                  0                  1
P     0                  3                 15                  0
T     1                  1                  0                  1
S     0                  1                  0                  0
H     0                  0                  1                  0
E     2                  1                  0                  2
N     0                  0                  0                  5
Q     0                  0                  0                  1
D     4                  0                  0                  1
K     4                  0                  0                  0
R     0                  0                  0                  1
```

### Propensities type VIb

```      position i         position i+1       position i+2       position i+3
---------------------------------------------------------------------------
I     0                  2                  0                  0
F     1                  0                  0                  0
V     1                  0                  0                  0
L     0                  0                  0                  0
W     0                  0                  0                  0
M     0                  0                  0                  0
A     0                  0                  0                  0
G     0                  0                  0                  1
C     0                  0                  0                  0
Y     0                  0                  0                  0
P     0                  0                  5                  0
T     1                  0                  0                  3
S     0                  1                  0                  0
H     1                  0                  0                  1
E     0                  0                  0                  0
N     1                  2                  0                  0
Q     0                  0                  0                  0
D     0                  0                  0                  0
K     0                  0                  0                  0
R     0                  0                  0                  0

Gail Hutchinson
22nd May, 1996

```
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