Secondary structure calculation program - copyright by David Keith Smith, 1989
 1hcd-.pdb                                                   
 1HCD  ACTIN BINDING  HISACTOPHILIN (NMR, 1 STRUCTURE)  (DICTYOSTELLIUM DISCOIDEUM) RECOMBINANT FORM EXPRE  
 Sequence length -  118
             A       A K K                                                                        hydrogen bonding             Ooi's
 strk chain/ l amino u & S structure   bridge        dihedral angles                     donor    acceptor   donor    acceptor  N  N
 num  seq.no t acids t S + patterns   partners    phi    psi  omega  alpha kappa   tco to/energy fr/energy to/energy fr/energy  8 14
    1     1    MET M                    0    0  999.9   81.5 -175.9  999.9 999.9 999.9    0  0.0    0  0.0    0  0.0    0  0.0  4 31
    2     2    GLY G   B B   A     +   36    0 -146.8  155.7 -178.4  170.4 999.9 167.6   36 -1.6   36 -2.2    0  0.0    0  0.0  8 38
    3     3    ASN N               +    0    0 -151.4   47.7 -179.3   25.6  69.7  95.2    0  0.0    0  0.0    0  0.0    0  0.0 10 31
    4     4    ARG R   S S        S-    0    0 -164.8 -100.6 -171.8  -26.9  89.2  95.7    0  0.0   34 -1.6    0  0.0    0  0.0 11 40
    5     5    ALA A   E E  AA     -  116    0 -147.5  162.0 -177.9 -125.2  34.9 164.1  116 -2.1  116 -2.1    0  0.0    7 -0.6 12 52
    6     6    PHE F   E E  AAB    -  115   14 -115.2  115.2 -174.3 -148.3  27.9 159.3   14 -0.9   14 -2.4    0  0.0    0  0.0 11 61
    7     7    LYS K   E E  AAB    -  114   13  -90.9  131.5  179.6 -167.2  13.4 132.3  114 -1.7  114 -2.2    5 -0.6    9 -0.6 13 48
    8     8    SER S   S e        S-    0    0 -114.6   69.4 -173.2  -34.4  77.4 130.5   12 -2.1    0  0.0    0  0.0    0  0.0 15 45
    9     9    HIS H   S t     > TS-    0    0   86.6  153.2 -174.8  -70.0  89.8  82.0    7 -0.6   12 -2.2    0  0.0    0  0.0  9 34
   10    10    HIS H   T T     3 TS+    0    0  -58.5    6.1  180.0   84.8 120.5  63.5    0  0.0    0  0.0    0  0.0    0  0.0  6 29
   11    11    GLY G   T T     3 TS-    0    0  -79.9  -30.8 -177.3  -38.5 104.7  32.8    0  0.0    0  0.0    0  0.0    0  0.0  9 30
   12    12    HIS H     e     < T -    0    0  178.9  164.1  174.5 -125.3  47.1 166.6    9 -2.2    8 -2.1    0  0.0    0  0.0 10 40
   13    13    PHE F   E E  ABC    -    7   24 -132.9  136.2  171.8 -102.2  35.7 175.9   24 -2.1   24 -2.0    0  0.0    0  0.0 13 50
   14    14    LEU L   E E  ABC    +    6   23  -44.9  123.6 -176.5  141.8  62.8 107.9    6 -2.4    6 -0.9    0  0.0    0  0.0 11 60
   15    15    SER S   E E  A C    -    0   22 -155.9 -169.2 -175.0  -86.7  45.4 145.2   22 -3.0   22 -1.8    0  0.0    0  0.0 15 52
   16    16    ALA A   E E  A C    -    0   21 -115.1  163.6 -178.5 -175.4  25.5 131.3   32 -1.8    0  0.0    0  0.0    0  0.0 12 42
   17    17    GLU E   E E  A C> T -    0   20 -160.2  108.7  179.4  -58.6  56.5 140.8   20 -2.4   20 -1.7    0  0.0    0  0.0  9 29
   18    18    GLY G   T T     3 TS-    0    0   52.9 -132.2  177.8  -17.1 120.1 104.4    0  0.0    0  0.0    0  0.0    0  0.0  5 21
   19    19    GLU E   T T     3 TS+    0    0  -95.0   39.6  179.9   64.3 132.3  99.4    0  0.0    0  0.0    0  0.0    0  0.0  4 22
   20    20    ALA A   E E  AC < TS-   17    0 -155.5  165.1 -178.8 -121.4  74.4 168.4   17 -1.7   17 -2.4    0  0.0    0  0.0  6 27
   21    21    VAL V   E E  AC     +   16    0 -115.6  138.4 -177.3  143.2  39.8 156.7    0  0.0    0  0.0    0  0.0    0  0.0  9 40
   22    22    LYS K   E E  AC     -   15    0 -149.7 -163.9  177.1 -103.4  41.9 135.5   15 -1.8   15 -3.0    0  0.0    0  0.0  8 40
   23    23    THR T   E E  AC     +   14    0 -137.6  136.0  178.6  130.4  47.5 178.3    0  0.0    0  0.0    0  0.0    0  0.0  9 45
   24    24    HIS H   E E  AC     -   13    0 -163.2 -169.8  179.8  -92.8  46.1 156.8   13 -2.0   13 -2.1    0  0.0    0  0.0  9 40
   25    25    HIS H               -    0    0 -119.3  152.1 -179.6  -94.5  46.6 150.8    0  0.0    0  0.0    0  0.0    0  0.0  8 33
   26    26    GLY G   S S        S+    0    0  -68.8  128.3  179.3   98.4  81.0 119.0    0  0.0    0  0.0    0  0.0    0  0.0  7 28
   27    27    HIS H               +    0    0 -168.6  -70.0 -180.0   57.0  64.2  89.3    0  0.0    0  0.0    0  0.0    0  0.0  6 16
   28    28    HIS H   S S        S-    0    0  -85.8  124.3  178.9  -39.4 113.5 135.5    0  0.0    0  0.0    0  0.0    0  0.0  5 15
   29    29    ASP D   S S        S-    0    0   50.4 -178.6  177.7  -37.5 104.3  80.5    0  0.0    0  0.0    0  0.0    0  0.0  5 13
   30    30    HIS H               -    0    0  -73.8  137.2  177.1 -124.4  61.9 124.2    0  0.0   32 -1.0    0  0.0    0  0.0  6 21
   31    31    HIS H               -    0    0  -83.7  102.8  179.0 -118.4  32.2 137.8    0  0.0    0  0.0    0  0.0    0  0.0 11 32
   32    32    THR T               -    0    0  -44.3  129.3 -169.2 -142.5  41.5  99.0   30 -1.0   16 -1.8    0  0.0    0  0.0  7 36
   33    33    HIS H               -    0    0 -101.0  174.4  176.7 -121.0   7.2 106.4    0  0.0    0  0.0    0  0.0    0  0.0 10 44
   34    34    PHE F               -    0    0 -118.3  147.6 -177.5 -146.4  16.2 157.1    4 -1.6   36 -0.5    0  0.0    0  0.0 13 49
   35    35    HIS H   E E  BD     -   46    0 -118.5  121.0 -179.6 -164.1   8.2 162.9   46 -1.6   46 -2.5    0  0.0   37 -0.5 10 39
   36    36    VAL V   E E  BDA    +   45    2 -115.5  122.5 -165.8  163.3  19.0 161.4    2 -2.2    2 -1.6   34 -0.5    0  0.0 11 48
   37    37    GLU E   E E  BD     -   44    0 -133.2  169.4 -173.6  -84.2  36.9 131.3   44 -1.8   44 -2.1   35 -0.5    0  0.0 10 35
   38    38    ASN N   E E  BD     +   43    0  -95.1  160.1  179.8  177.7  32.9 118.7    0  0.0    0  0.0    0  0.0    0  0.0  8 31
   39    39    HIS H   E E  BD > T -   42    0 -155.4  121.8  179.7  -49.2  60.1 157.0   42 -2.7   42 -2.8    0  0.0    0  0.0  9 29
   40    40    GLY G   T T     3 TS-    0    0   50.4 -124.6 -179.8  -25.4 119.8 103.4    0  0.0    0  0.0    0  0.0    0  0.0  6 20
   41    41    GLY G   T T     3 TS+    0    0 -103.5   13.8 -179.3   46.1 137.1  78.5    0  0.0    0  0.0    0  0.0    0  0.0  5 20
   42    42    LYS K   E E  BD < TS-   39    0 -137.7 -167.8 -176.8 -100.7  84.3 130.4   39 -2.8   39 -2.7    0  0.0    0  0.0 10 32
   43    43    VAL V   E E  BDB    -   38   74 -134.3  150.8 -176.4 -149.0  20.2 163.4   74 -2.0   74 -1.9    0  0.0    0  0.0 13 39
   44    44    ALA A   E E  BD     -   37    0 -117.9  157.7  179.3 -135.4   9.7 136.4   37 -2.1   37 -1.8    0  0.0    0  0.0 14 48
   45    45    LEU L   E E  BD     +   36    0 -116.7  128.2 -178.7  151.5  33.7 161.2    0  0.0   53 -0.6    0  0.0    0  0.0 12 55
   46    46    LYS K   E E  BD     +   35    0 -150.3  155.7  177.8  165.3  17.8 167.8   35 -2.5   35 -1.6    0  0.0    0  0.0 13 45
   47    47    THR T   S S        S+    0    0 -164.1   28.6 -179.6   31.1  83.0  80.5    0  0.0    0  0.0    0  0.0    0  0.0 10 39
   48    48    HIS H   S S        S-    0    0 -173.0   15.9 -179.2 -109.9 100.0  78.0    0  0.0    0  0.0    0  0.0    0  0.0  5 28
   49    49    CYS C   S S        S+    0    0   45.1   41.6 -179.7   59.4 113.9  30.0    0  0.0    0  0.0    0  0.0    0  0.0  5 23
   50    50    GLY G   S S        S+    0    0 -172.9    2.5 -179.8   73.9  88.7  73.5    0  0.0    0  0.0    0  0.0    0  0.0  9 25
   51    51    LYS K               +    0    0 -135.8  128.9  177.7  176.4  46.4 172.1    0  0.0    0  0.0    0  0.0    0  0.0 11 35
   52    52    TYR Y   E E  CE     -   64    0 -124.1  141.5  176.9  -95.3  43.8 165.7   64 -1.8   64 -2.8    0  0.0    0  0.0 14 46
   53    53    LEU L   E E  CE     +   63    0  -50.6  149.8  177.8  172.6  53.8 101.6   45 -0.6    0  0.0    0  0.0    0  0.0 14 59
   54    54    SER S   E E  CE     -   62    0 -156.4  160.4 -176.8 -162.0  17.2 167.0   62 -1.9   62 -2.4    0  0.0    0  0.0 11 49
   55    55    ILE I   E E  CE     -   61    0 -153.9  141.3 -172.1 -158.7  10.4 172.7    0  0.0    0  0.0    0  0.0    0  0.0 10 43
   56    56    GLY G   E E  C*     -    0    0  -90.4  -60.9 -175.9  -88.8  48.4  13.0   60 -1.8    0  0.0    0  0.0    0  0.0  8 30
   57    57    ASP D   E E  CE > TS+   60    0  166.6  178.0  178.1   31.8  91.1 161.2   60 -0.6   60 -2.0    0  0.0   59 -1.5  7 27
   58    58    HIS H   T T     3 TS-    0    0   47.4  -80.6  177.2  -32.3 133.3  99.8    0  0.0  103 -0.5    0  0.0    0  0.0  6 26
   59    59    LYS K   T T     3 TS+    0    0 -161.0   46.3  176.8  115.3 103.4  91.9   57 -1.5    0  0.0    0  0.0    0  0.0  8 27
   60    60    GLN Q   E E  CE < T -   57    0 -124.2  142.6 -173.0 -167.5  38.8 164.9   57 -2.0   56 -1.8    0  0.0   57 -0.6  9 28
   61    61    VAL V   E E  CE     +   55    0 -129.5  149.4  176.6  145.1  14.9 154.6    0  0.0    0  0.0    0  0.0    0  0.0 10 41
   62    62    TYR Y   E E  CE     -   54    0 -166.0 -171.2 -173.8  -92.3  39.1 160.8   54 -2.4   54 -1.9    0  0.0    0  0.0  8 39
   63    63    LEU L   E E  CE     +   53    0 -124.2  131.0  175.9  166.5  34.3 163.6    0  0.0    0  0.0    0  0.0    0  0.0 10 41
   64    64    SER S   E E  CE     -   52    0 -114.9 -141.9 -175.2  -79.1  34.8  94.4   52 -2.8   52 -1.8    0  0.0    0  0.0 10 31
   65    65    HIS H               -    0    0 -119.8 -175.9  177.8  -58.8  58.1 121.1    0  0.0    0  0.0    0  0.0    0  0.0  8 26
   66    66    HIS H               +    0    0  -67.3  148.8 -168.4  157.8  66.5 112.4    0  0.0    0  0.0    0  0.0    0  0.0  9 32
   67    67    LEU L               -    0    0 -170.6  146.9  171.9 -129.0  40.7 167.4    0  0.0    0  0.0    0  0.0    0  0.0  6 32
   68    68    HIS H   S S        S+    0    0 -109.2  123.7 -180.0   46.5  79.9 166.0    0  0.0    0  0.0    0  0.0    0  0.0  7 27
   69    69    GLY G   S S        S-    0    0  154.6 -105.4  178.5  -68.8  96.8 142.2    0  0.0    0  0.0    0  0.0    0  0.0  6 29
   70    70    ASP D   S S        S+    0    0 -171.6  162.3  174.9   55.3  98.0 156.5    0  0.0    0  0.0    0  0.0    0  0.0  9 36
   71    71    HIS H   S S        S+    0    0   98.3  -43.2  178.6   41.9 117.6 103.0   73 -1.0    0  0.0    0  0.0    0  0.0 11 46
   72    72    SER S   S S        S+    0    0  -99.9  -53.1  164.5   29.2 128.3  37.3    0  0.0    0  0.0    0  0.0    0  0.0 16 46
   73    73    LEU L   S S        S-    0    0  -93.3  171.5 -169.1 -150.2  92.0 126.1    0  0.0   71 -1.0    0  0.0    0  0.0 18 48
   74    74    PHE F   B B   B     -   43    0 -143.5  171.3  177.3 -121.2  21.6 146.7   43 -1.9   43 -2.0    0  0.0   76 -0.5 14 52
   75    75    HIS H   E E  DF     +   86    0 -123.8  112.3 -171.7  171.7  39.2 168.8   86 -2.4   86 -1.4    0  0.0    0  0.0 11 46
   76    76    LEU L   E E  DF     +   85    0 -129.2  145.2 -170.9  173.0   2.9 157.6   74 -0.5    0  0.0    0  0.0    0  0.0 10 53
   77    77    GLU E   E E  DF     -   84    0 -158.8  150.1 -179.3  -99.0  32.1 175.1   84 -2.4   84 -2.2    0  0.0    0  0.0  7 38
   78    78    HIS H   E E  DF     -   83    0  -65.2  177.3 -178.0 -156.8  26.4  89.7    0  0.0    0  0.0    0  0.0    0  0.0  8 33
   79    79    HIS H   E E  DF > T -   82    0 -162.8   83.4  180.0  -69.5  54.0 119.3   82 -2.3   82 -2.9    0  0.0   81 -2.7  7 25
   80    80    GLY G   T T     3 TS-    0    0   66.3  -77.4  179.3  -16.5 123.5 112.0    0  0.0    0  0.0    0  0.0    0  0.0  5 15
   81    81    GLY G   T T     3 TS+    0    0 -135.5   -3.9  179.7   52.7 137.8  71.0   79 -2.7    0  0.0    0  0.0    0  0.0  6 21
   82    82    LYS K   E E  DF < TS-   79    0 -116.0 -163.2  178.4 -130.6  72.9 110.4   79 -2.9   79 -2.3    0  0.0    0  0.0 10 33
   83    83    VAL V   E E  DFC    -   78  113 -148.8  168.7  179.8 -151.0   7.4 160.2  113 -2.8  113 -1.5    0  0.0    0  0.0 13 40
   84    84    SER S   E E  DF     -   77    0 -146.2  144.9  179.0 -150.4   5.0 173.5   77 -2.2   77 -2.4    0  0.0    0  0.0 13 52
   85    85    ILE I   E E  DF     -   76    0 -117.3  144.7 -178.4 -169.8  17.9 156.7    0  0.0   93 -1.5    0  0.0    0  0.0 11 59
   86    86    LYS K   E E  DFD    +   75   92 -147.7  137.5 -179.8  171.7  13.4 171.8   75 -1.4   75 -2.4    0  0.0    0  0.0 12 50
   87    87    GLY G               -    0    0 -115.3 -154.1 -176.4  -47.0  49.5 100.7   91 -1.8    0  0.0    0  0.0    0  0.0 14 48
   88    88    HIS H   S t     > TS+    0    0  -72.5 -167.1 -178.3   47.8 112.7  82.0    0  0.0   91 -3.0    0  0.0    0  0.0  7 35
   89    89    HIS H   T T     3 TS-    0    0   42.2   23.3  179.8  -85.2 125.7  42.4    0  0.0    0  0.0    0  0.0    0  0.0  4 28
   90    90    HIS H   T T     3 TS+    0    0   51.8   33.5  177.2  148.4  89.1  36.8    0  0.0    0  0.0    0  0.0    0  0.0  7 30
   91    91    HIS H     t     < T -    0    0  -93.7  157.4  175.0 -146.0  39.2 130.6   88 -3.0   87 -1.8    0  0.0    0  0.0 11 39
   92    92    TYR Y   E E  EGD    -  104   86 -111.7  165.4 -172.7 -103.6  29.9 137.0  104 -3.2  104 -1.7    0  0.0    0  0.0 14 48
   93    93    ILE I   E E  EG     -  103    0 -103.8  142.2 -164.8 -148.2  44.1 138.7   85 -1.5    0  0.0    0  0.0    0  0.0 13 60
   94    94    SER S   E E  EG     -  102    0 -119.0  159.6  176.4 -179.4  31.1 133.8  102 -3.6  102 -1.2    0  0.0    0  0.0 11 56
   95    95    ALA A   E E  EG     -  101    0 -153.6  106.3 -173.3 -166.0  12.5 146.3  110 -1.3   97 -1.1    0  0.0    0  0.0 13 49
   96    96    ASP D     e     > T -    0    0 -102.0   62.7 -177.6  -99.2  49.3 117.2  100 -2.3   99 -2.4    0  0.0    0  0.0 11 39
   97    97    HIS H   G G     > TS-    0    0   58.8 -130.4  178.2   -8.1 100.9 112.6   95 -1.1  100 -1.2    0  0.0    0  0.0  9 31
   98    98    HIS H   G G     3 TS+    0    0  -72.7    1.9 -176.5   90.6 118.9  62.9    0  0.0    0  0.0    0  0.0    0  0.0  5 25
   99    99    GLY G   G G     < TS-    0    0  -75.5  -10.7  178.0 -126.6  95.0  51.3   96 -2.4    0  0.0    0  0.0    0  0.0  6 27
  100   100    HIS H     e     < T -    0    0   92.9 -175.8 -175.3  -46.0  36.9 109.2   97 -1.2   96 -2.3    0  0.0    0  0.0  7 34
  101   101    VAL V   E E  EG     +   95    0  -98.4  140.3 -178.8  124.9  67.9 136.7    0  0.0    0  0.0    0  0.0    0  0.0 11 49
  102   102    SER S   E E  EG     -   94    0 -157.8 -148.1  172.7  -86.6  51.4 129.1   94 -1.2   94 -3.6    0  0.0    0  0.0 12 46
  103   103    THR T   E E  EG     -   93    0 -145.2  151.4  179.7 -172.0  29.2 176.0   58 -0.5    0  0.0    0  0.0    0  0.0 13 45
  104   104    LYS K   E E  EG     -   92    0 -139.0  151.6  178.1 -144.9  25.0 166.7   92 -1.7   92 -3.2    0  0.0    0  0.0 10 37
  105   105    GLU E   S S        S+    0    0  -81.1  -43.0 -178.7   79.8  80.7  29.9    0  0.0    0  0.0    0  0.0    0  0.0  7 30
  106   106    HIS H   S S        S-    0    0  -53.1 -169.0 -177.9 -141.7  70.5  72.8    0  0.0    0  0.0    0  0.0    0  0.0  7 26
  107   107    HIS H               +    0    0 -165.3  113.7  179.9   85.3  53.8 142.0    0  0.0    0  0.0    0  0.0    0  0.0  9 32
  108   108    ASP D   S S        S-    0    0 -168.7  -89.7 -178.7  -41.1  96.4 100.2    0  0.0    0  0.0    0  0.0    0  0.0  6 30
  109   109    HIS H   S t     > TS+    0    0 -132.5  -34.8 -178.0   73.4 117.1  56.1    0  0.0  112 -1.3    0  0.0    0  0.0  6 36
  110   110    ASP D   T T     3 TS+    0    0  -57.7  -30.1  179.8   21.9 117.6  36.3    0  0.0   95 -1.3    0  0.0    0  0.0 10 38
  111   111    THR T   T T     3 TS+    0    0 -135.1   52.0  177.1   89.9 105.2 109.3    0  0.0    0  0.0    0  0.0    0  0.0 16 46
  112   112    THR T     t     < T -    0    0 -144.8  132.8 -173.0 -169.3  55.2 166.0  109 -1.3    0  0.0    0  0.0    0  0.0 13 46
  113   113    PHE F   B B   C     -   83    0 -116.2  179.5  169.8 -115.9  20.9 120.1   83 -1.5   83 -2.8    0  0.0    0  0.0 12 50
  114   114    GLU E   E E  AA     -    7    0 -108.8  171.6 -173.2 -112.3  34.2 136.5    7 -2.2    7 -1.7    0  0.0  116 -0.5 11 44
  115   115    GLU E   E E  AA     -    6    0 -115.8  115.8  179.3 -176.1  30.4 155.5    0  0.0    0  0.0    0  0.0    0  0.0  9 42
  116   116    ILE I   E E  AA     -    5    0 -117.1  141.5 -168.0 -180.0   8.2 159.3    5 -2.1    5 -2.1  114 -0.5    0  0.0  8 38
  117   117    ILE I                    0    0 -116.0 -149.8 -176.9  999.9 999.9  90.1    0  0.0    0  0.0    0  0.0    0  0.0  7 30
  118   118    ILE I                    0    0 -112.7  999.9  999.9  999.9 999.9 111.5    0  0.0    0  0.0    0  0.0    0  0.0  4 23
 
 1hcd-.pdb                                                   
 1HCD  ACTIN BINDING  HISACTOPHILIN (NMR, 1 STRUCTURE)  (DICTYOSTELLIUM DISCOIDEUM) RECOMBINANT FORM EXPRE  
 
    author                                                                                                        author   
 Kabs/Sand   B SEEESSTT EEEEETTEEEEE S SS     EEEEETTEEEEESSSS EEEEEETTEEEEE   SSSSSSBEEEEETTEEEEE STT EEEE GGG   Kabs/Sand
 chirality   ++------+---+----+-+-+--++--------+-+--+---+++-+++-+---+-+-+-+--+-+-+++--++----+----+-+-+-------+--  chirality
     bends     S   SSSS      SSS     S SS          SSS    SSSS      SSS        SSSSSS      SSS     SSS      SSS   bends    
     turns          TTTT    TTTT                  TTTT              TTTT                  TTTT     TTTT    TTTTT  turns    
   5-turns                                                                                                        5-turns  
   3-turns          >33<    >33<                  >33<              >33<                  >33<     >33<    >>3<<  3-turns  
  bridge-2       BB     CCCCC                  A      B                                       C  D     D          bridge-2 
  bridge-1   A  AAA     BB     CCCCC          DDDDD  DDDDD     EEEE*E  EEEEE         BFFFFF  FFFFF     GGGG       bridge-1 
    sheets      AAA     AAAAA  AAAAA          BBBBB  BBBBB     CCCCCC  CCCCC          DDDDD  DDDDD     EEEE       sheets   
   4-turns                                                                                                        4-turns  
   summary   B SEEEetTTeEEEEETTEEEEE S SS     EEEEETTEEEEESSSS EEEEEETTEEEEE   SSSSSSBEEEEETTEEEEE tTTtEEEEeGGGe  summary  
  sequence  MGNRAFKSHHGHFLSAEGEAVKTHHGHHDHHTHFHVENHGGKVALKTHCGKYLSIGDHKQVYLSHHLHGDHSLFHLEHHGGKVSIKGHHHHYISADHHGH  sequence 
                    10        20        30        40        50        60        70        80        90       100
 
    author                      author   
 Kabs/Sand  EEEESS SSTT BEEE    Kabs/Sand
 chirality  +---+-+-+++-----    chirality
     bends      SS SSSS         bends    
     turns          TTTT        turns    
   5-turns                      5-turns  
   3-turns          >33<        3-turns  
  bridge-2                      bridge-2 
  bridge-1  GGGG        CAAA    bridge-1 
    sheets  EEEE         AAA    sheets   
   4-turns                      4-turns  
   summary  EEEESS StTTtBEEE    summary  
  sequence  VSTKEHHDHDTTFEEIII  sequence 
                   110