Secondary structure calculation program - copyright by David Keith Smith, 1989
 1jmvA.pdb                                                   
 1JMV  CHAPERONE  MOL_ID: 1;  MOL_ID: 1;  
 Sequence length -  140
             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 A   1    MET M                    0    0  999.9  134.5 -178.6  999.9 999.9 999.9    0  0.0    0  0.0    0  0.0    0  0.0  3 21
    2 A   2    TYR Y               -    0    0  -67.9  138.2  179.4 -178.5 999.9 112.5    0  0.0    0  0.0    0  0.0    0  0.0 10 32
    3 A   3    LYS K   S e        S+    0    0 -106.1  -24.7 -177.2   22.7  72.6  47.1    0  0.0   32 -2.7    0  0.0    0  0.0 10 34
    4 A   4    HIS H   E E  Aa     -   32    0 -152.2  109.8 -179.8 -167.5  63.5 147.7    0  0.0  104 -2.3    0  0.0  105 -1.3 13 44
    5 A   5    ILE I   E E  Aab    -   33  105  -98.1  138.8  177.4 -160.4   5.6 141.0   32 -2.9   34 -2.8    0  0.0    0  0.0 16 57
    6 A   6    LEU L   E E  Aab    -   34  106 -116.7  123.1  177.1 -162.8   4.2 169.1  105 -2.9  107 -2.6    0  0.0    8 -0.5 14 71
    7 A   7    VAL V   E E  Aab    -   35  107 -108.5  128.6 -178.6 -151.6   7.1 158.5   34 -2.5   36 -2.4    0  0.0    9 -0.7 14 72
    8 A   8    ALA A   E E  Aa     -   36    0  -99.1  115.4 -178.8 -165.2  15.9 150.3  107 -2.8    0  0.0    6 -0.5    0  0.0 13 78
    9 A   9    VAL V   E E  Aa     -   37    0 -101.6  148.6  179.2 -155.7  21.7 139.2   36 -2.4   38 -0.5    7 -0.7    0  0.0 14 62
   10 A  10    ASP D               -    0    0  -99.4    1.4  179.5 -120.5  42.2  65.4    0  0.0    0  0.0    0  0.0    0  0.0  8 54
   11 A  11    LEU L               +    0    0   69.2   14.9  177.1  142.8  65.3  54.9    0  0.0    0  0.0    0  0.0    0  0.0 10 44
   12 A  12    SER S   S t     > TS-    0    0  -74.2  168.6 -179.2  -96.6  72.4 105.3    0  0.0   15 -2.0    0  0.0    0  0.0  6 36
   13 A  13    GLU E   T T     3 TS+    0    0  -63.4  -15.6  179.8   61.4 124.5  47.7    0  0.0    0  0.0    0  0.0    0  0.0  5 27
   14 A  14    GLU E   T h >   > TS+    0    0  -90.1   -2.2  179.4  101.9  71.2  62.7    0  0.0   18 -1.2    0  0.0   17 -1.1 10 33
   15 A  15    SER S   H H >   < TS+    0    0  -50.3  -40.0  179.6   61.2  73.4  32.0   12 -2.0   19 -2.6    0  0.0    0  0.0 10 45
   16 A  16    PRO P   H H >   3 TS+    0    0  -56.4  -37.9  179.3   55.1 100.8  27.0    0  0.0   20 -3.0    0  0.0    0  0.0  8 43
   17 A  17    ILE I   H H >   < TS+    0    0  -60.7  -43.7 -179.9   46.0 109.1  24.7   14 -1.1   21 -1.9    0  0.0    0  0.0  8 38
   18 A  18    LEU L   H H X     TS+    0    0  -66.1  -42.4  179.7   51.1 112.9  23.7   14 -1.2   22 -2.2    0  0.0    0  0.0 14 49
   19 A  19    LEU L   H H X     TS+    0    0  -62.2  -42.9  179.6   51.3 108.2  24.1   15 -2.6   23 -2.3    0  0.0    0  0.0 11 56
   20 A  20    LYS K   H H X     TS+    0    0  -62.8  -41.2  177.8   49.5 109.6  24.2   16 -3.0   24 -2.1    0  0.0    0  0.0  9 42
   21 A  21    LYS K   H H X     TS+    0    0  -61.3  -44.1 -179.2   49.5 111.7  22.9   17 -1.9   25 -1.5    0  0.0    0  0.0  8 41
   22 A  22    ALA A   H H X     TS+    0    0  -64.6  -35.9  179.0   52.1 108.8  30.2   18 -2.2   26 -2.3    0  0.0    0  0.0 12 53
   23 A  23    VAL V   H H X     TS+    0    0  -65.4  -43.2  179.4   56.3 104.7  22.3   19 -2.3   27 -2.6    0  0.0    0  0.0 11 44
   24 A  24    GLY G   H H X     TS+    0    0  -55.3  -40.7  178.8   44.2 111.4  28.4   20 -2.1   28 -1.3    0  0.0    0  0.0  8 35
   25 A  25    ILE I   H H X     TS+    0    0  -71.8  -42.0 -178.3   54.8 109.6  26.0   21 -1.5   29 -1.6    0  0.0    0  0.0  8 41
   26 A  26    ALA A   H H X    >TS+    0    0  -60.1  -39.0  179.7   51.5 107.2  28.2   22 -2.3   31 -2.6    0  0.0   30 -0.8 14 38
   27 A  27    LYS K   H H <   >5TS+    0    0  -63.4  -43.6 -179.3   52.7 107.0  24.6   23 -2.6   30 -0.5    0  0.0    0  0.0  8 28
   28 A  28    ARG R   H H <   35TS+    0    0  -62.0  -34.0 -178.6   34.3 120.0  32.8   24 -1.3    0  0.0    0  0.0    0  0.0  7 20
   29 A  29    HIS H   H H <   35TS-    0    0 -100.2   -2.1 -175.7 -127.5 102.2  65.1   25 -1.6    0  0.0    0  0.0    0  0.0  9 25
   30 A  30    ASP D   T h <   <5T +    0    0   50.9   49.2 -177.7  158.4  59.7  20.7   26 -0.8    0  0.0   27 -0.5    0  0.0  8 26
   31 A  31    ALA A     t       T -    0    0  -59.9  138.0 -179.6 -129.8  45.3 109.0    0  0.0   45 -1.6    0  0.0    0  0.0  8 19
   43 A  43    SER S   G G     > TS+    0    0  -57.8  -37.2 -178.7   63.8 104.4  33.5    0  0.0   46 -1.6    0  0.0    0  0.0  8 25
   44 A  44    ASP D   G G     3 TS+    0    0  -66.2  -13.5  179.8   56.4  98.2  50.0    0  0.0    0  0.0    0  0.0    0  0.0  5 17
   45 A  45    LEU L   G G     < TS+    0    0 -105.3   20.3  179.3  125.1  75.1  81.6   42 -1.6   47 -0.5    0  0.0    0  0.0  8 18
   46 A  46    TYR Y     g     < T +    0    0  -83.3  124.7 -178.7  176.4  30.5 133.7   43 -1.6    0  0.0    0  0.0    0  0.0 11 26
   47 A  47    THR T               -    0    0 -110.5    7.0  179.6  -86.6  50.0  71.5   45 -0.5    0  0.0    0  0.0    0  0.0  6 26
   48 A  48    GLY G               -    0    0  114.2  172.1 -179.4  -46.4  57.3 117.4    0  0.0    0  0.0    0  0.0    0  0.0  7 34
   49 A  49    LEU L               -    0    0  -83.0  151.6  178.4 -142.4  42.9 118.9    0  0.0    0  0.0    0  0.0    0  0.0 11 44
   50 A  50    ILE I   E E  AD     -   85    0 -115.5  126.2  177.5 -143.5   7.1 164.4   85 -3.0   85 -2.1    0  0.0   52 -1.1  8 45
   51 A  51    ASP D   E E >AD   T -   84    0  -87.0  100.1 -177.7 -172.5  17.2 141.5    0  0.0   55 -2.5    0  0.0    0  0.0 10 44
   52 A  52    VAL V   H H >     TS+    0    0  -68.6  -24.0  178.8   59.2  81.9  41.3   83 -2.1   56 -2.4   50 -1.1    0  0.0 12 42
   53 A  53    ASN N   H H >     TS+    0    0  -68.5  -47.5  178.9   43.3 109.3  18.2   83 -0.9   57 -2.1    0  0.0    0  0.0 10 37
   54 A  54    MET M   H H >     TS+    0    0  -62.4  -46.8  178.9   53.8 112.1  21.8    0  0.0   58 -1.3    0  0.0    0  0.0  7 27
   55 A  55    SER S   H H <   >>TS+    0    0  -52.7  -51.4 -179.9   51.8 107.3  17.1   51 -2.5   60 -2.3    0  0.0   58 -1.3 11 28
   56 A  56    SER S   H H <   >5TS+    0    0  -49.6  -52.1 -179.2   51.6 107.7  21.8   52 -2.4   59 -1.7    0  0.0    0  0.0  9 29
   57 A  57    MET M   H H <   35TS+    0    0  -60.3  -22.1 -179.3   41.6 115.7  46.4   53 -2.1    0  0.0    0  0.0    0  0.0  7 18
   58 A  58    GLN Q   T h <   <5TS-    0    0 -111.3   12.2  179.3 -115.2 112.7  78.3   54 -1.3    0  0.0   55 -1.3    0  0.0  6 15
   59 A  59    ASP D   T T     <5TS+    0    0   56.2   42.1 -179.6  130.3  76.2  29.2   56 -1.7    0  0.0    0  0.0    0  0.0  6 17
   60 A  60    ARG R     t           T -    0    0 -105.9  152.7  179.0 -135.2  69.5 137.7    0  0.0   67 -2.1    0  0.0    0  0.0  6 26
   64 A  64    GLU E   H H >     TS+    0    0  -69.6  -27.2  179.9   61.9 109.2  37.1    0  0.0   68 -2.7    0  0.0    0  0.0  6 26
   65 A  65    THR T   H H >     TS+    0    0  -63.1  -47.9  179.3   41.9 106.1  21.8    0  0.0   69 -1.8    0  0.0    0  0.0  7 37
   66 A  66    GLN Q   H H >     TS+    0    0  -66.7  -41.0 -179.7   52.2 114.3  26.2    0  0.0   70 -2.3    0  0.0    0  0.0 11 42
   67 A  67    LYS K   H H X     TS+    0    0  -61.5  -41.9 -179.8   51.1 108.5  23.6   63 -2.1   71 -2.8    0  0.0    0  0.0 10 38
   68 A  68    ALA A   H H X     TS+    0    0  -63.4  -38.7  177.8   53.5 107.5  29.1   64 -2.7   72 -2.9    0  0.0    0  0.0  9 40
   69 A  69    LEU L   H H X     TS+    0    0  -61.8  -44.9  179.0   45.0 111.7  20.2   65 -1.8   73 -2.6    0  0.0    0  0.0 12 52
   70 A  70    LEU L   H H X     TS+    0    0  -64.0  -43.1 -179.8   49.7 113.8  24.0   66 -2.3   74 -2.4    0  0.0    0  0.0 11 50
   71 A  71    ASP D   H H X     TS+    0    0  -61.3  -45.8  178.6   47.4 112.4  22.2   67 -2.8   75 -1.4    0  0.0    0  0.0  8 39
   72 A  72    LEU L   H H X     TS+    0    0  -62.0  -48.0  179.1   50.2 111.3  21.7   68 -2.9   76 -0.8    0  0.0    0  0.0  9 45
   73 A  73    ALA A   H H <   > TS+    0    0  -58.8  -41.7  179.9   54.9 107.4  24.5   69 -2.6   76 -1.0    0  0.0    0  0.0 10 51
   74 A  74    GLU E   H H <   3 TS+    0    0  -61.0  -32.5 -178.8   55.3 104.2  32.1   70 -2.4    0  0.0    0  0.0    0  0.0  7 32
   75 A  75    SER S   H H <   3 TS+    0    0  -74.5  -19.2 -178.0  106.6  83.7  46.8   71 -1.4    0  0.0    0  0.0    0  0.0  6 30
   76 A  76    VAL V   S h <   < TS-    0    0  -66.5  134.1  179.9 -134.4  72.2 114.2   73 -1.0   78 -1.8   72 -0.8    0  0.0 10 39
   77 A  77    ASP D   S S        S+    0    0  -85.5   58.9 -179.6   67.5  83.7 111.9    0  0.0    0  0.0    0  0.0    0  0.0  5 30
   78 A  78    TYR Y   S S        S-    0    0 -168.2  148.4  179.5  -92.6  96.7 159.2   76 -1.8    0  0.0    0  0.0    0  0.0  6 37
   79 A  79    PRO P               -    0    0  -72.9  128.0  180.0 -145.1  42.2 125.4    0  0.0    0  0.0    0  0.0    0  0.0  7 34
   80 A  80    ILE I               -    0    0  -95.8  132.1  179.4 -169.0  13.7 143.4    0  0.0    0  0.0    0  0.0    0  0.0 12 45
   81 A  81    SER S               +    0    0  -83.0  -84.2  179.3   16.7  67.1  24.6   33 -3.1    0  0.0    0  0.0    0  0.0  8 45
   82 A  82    GLU E     e         -    0    0  -93.4  153.4  177.7 -164.6  55.6 129.3    0  0.0   35 -2.5    0  0.0    0  0.0 10 54
   83 A  83    LYS K   E E  Ac     +   35    0 -132.0  105.7 -174.6  178.2  27.3 164.0    0  0.0   52 -2.1    0  0.0   53 -0.9 14 56
   84 A  84    LEU L   E E  AcD    -   36   51 -121.3  154.0  179.5 -171.0  20.1 148.0   35 -2.9   37 -2.0    0  0.0    0  0.0 14 62
   85 A  85    SER S   E E  AcD    +   37   50 -138.9  145.6  178.9  165.8  11.3 168.9   50 -2.1   50 -3.0    0  0.0    0  0.0 13 58
   86 A  86    GLY G   E E  Ac     -   38    0 -158.3  152.8 -179.7 -143.4  23.7 170.4   37 -1.7   39 -3.3    0  0.0    0  0.0 14 54
   87 A  87    SER S   E E  Ac     +   39    0 -125.8  118.7 -179.7   49.7  61.0 165.5    0  0.0    0  0.0    0  0.0    0  0.0 14 38
   88 A  88    GLY G   E E  Ac    S+   40    0  159.6 -150.2  179.8    2.5  92.4 170.9   39 -1.8   41 -1.7    0  0.0    0  0.0 15 34
   89 A  89    ASP D     h >     T -    0    0  -71.6  132.8 -179.2 -131.3  61.6 120.5    0  0.0   93 -3.4    0  0.0    0  0.0 11 38
   90 A  90    LEU L   H H >     TS+    0    0  -48.8  -58.9  179.5   39.1 107.2  21.6    0  0.0   94 -2.8    0  0.0    0  0.0  9 52
   91 A  91    GLY G   H H >     TS+    0    0  -61.1  -37.6  179.8   54.6 116.1  28.2    0  0.0   95 -2.5    0  0.0    0  0.0 12 52
   92 A  92    GLN Q   H H >     TS+    0    0  -59.6  -54.6 -178.0   39.0 113.7  13.1    0  0.0   96 -1.7    0  0.0    0  0.0 11 43
   93 A  93    VAL V   H H X     TS+    0    0  -65.7  -43.6 -179.1   46.7 118.7  24.5   89 -3.4   97 -1.9    0  0.0    0  0.0 14 52
   94 A  94    LEU L   H H X     TS+    0    0  -67.0  -39.5 -179.6   54.4 109.4  26.2   90 -2.8   98 -2.8    0  0.0    0  0.0 11 64
   95 A  95    SER S   H H X     TS+    0    0  -59.1  -42.3 -179.9   51.1 107.8  26.1   91 -2.5   99 -2.2    0  0.0    0  0.0 11 53
   96 A  96    ASP D   H H X     TS+    0    0  -61.3  -49.7  179.6   45.5 112.0  20.0   92 -1.7  100 -2.8    0  0.0    0  0.0  9 46
   97 A  97    ALA A   H H X     TS+    0    0  -61.0  -46.1 -179.0   52.2 111.5  22.9   93 -1.9  101 -2.6    0  0.0    0  0.0 11 53
   98 A  98    ILE I   H H <    >TS+    0    0  -57.3  -42.5 -179.0   44.3 113.8  25.0   94 -2.8  103 -1.9    0  0.0    0  0.0 13 52
   99 A  99    GLU E   H H <   >5TS+    0    0  -70.2  -46.4  180.0   47.6 114.3  23.5   95 -2.2  102 -0.6    0  0.0    0  0.0  8 34
  100 A 100    GLN Q   H H <   35TS+    0    0  -65.2  -37.2 -177.5   35.8 120.8  31.3   96 -2.8    0  0.0    0  0.0    0  0.0  6 34
  101 A 101    TYR Y   T h <   35TS-    0    0 -107.0   16.0  176.9 -116.6 104.5  75.5   97 -2.6    0  0.0    0  0.0    0  0.0  6 39
  102 A 102    ASP D   T T     <5T +    0    0   54.8   48.8 -179.9  178.3  47.3  24.6   99 -0.6    0  0.0    0  0.0    0  0.0  7 31
  103 A 103    VAL V     t         > T -    0    0  -46.4  131.0 -178.0 -117.3  59.0  97.0    0  0.0  118 -2.3    0  0.0  117 -0.8  6 16
  115 A 115    TRP W   H H >   3 TS+    0    0  -39.5  -58.6 -177.6   44.8 109.9  31.2    0  0.0  119 -2.9    0  0.0    0  0.0  7 17
  116 A 116    SER S   H H >   3 TS+    0    0  -64.0  -31.3  177.5   53.5 110.9  36.0    0  0.0  120 -2.1    0  0.0    0  0.0  6 14
  117 A 117    LYS K   H H >   < TS+    0    0  -66.7  -46.7  179.4   46.1 112.1  19.8  114 -0.8  121 -2.3    0  0.0    0  0.0  8 18
  118 A 118    LEU L   H H X     TS+    0    0  -60.5  -51.7 -179.1   47.6 113.5  17.9  114 -2.3  122 -2.7    0  0.0    0  0.0 11 26
  119 A 119    MET M   H H X     TS+    0    0  -61.2  -36.6  178.4   52.5 110.5  28.0  115 -2.9  123 -2.6    0  0.0    0  0.0  8 26
  120 A 120    SER S   H H X     TS+    0    0  -64.1  -47.1  178.9   44.4 112.4  18.6  116 -2.1  124 -1.9    0  0.0    0  0.0  8 23
  121 A 121    SER S   H H X     TS+    0    0  -62.2  -41.9  179.3   52.0 113.7  24.9  117 -2.3  125 -1.6    0  0.0    0  0.0  8 40
  122 A 122    THR T   H H X     TS+    0    0  -60.6  -45.8 -179.3   49.5 108.5  22.5  118 -2.7  126 -3.0    0  0.0    0  0.0  9 39
  123 A 123    ARG R   H H X     TS+    0    0  -62.6  -37.8 -179.8   58.3 105.4  28.0  119 -2.6  127 -2.7    0  0.0    0  0.0  8 30
  124 A 124    GLN Q   H H <     TS+    0    0  -58.2  -42.7  178.8   38.6 113.1  25.6  120 -1.9    0  0.0    0  0.0    0  0.0  9 30
  125 A 125    VAL V   H H X   > TS+    0    0  -72.3  -46.8  179.7   57.4 112.7  22.0  121 -1.6  128 -2.0    0  0.0  129 -0.5 13 42
  126 A 126    MET M   H H <   > TS+    0    0  -51.1  -43.5 -177.9   56.3 101.4  29.2  122 -3.0  129 -1.3    0  0.0    0  0.0 10 34
  127 A 127    ASN N   T h <   3 TS+    0    0  -72.6   -2.9  179.3   52.1 105.6  56.9  123 -2.7    0  0.0    0  0.0    0  0.0  8 25
  128 A 128    THR T   T T 4   < TS+    0    0 -106.5   -7.3 -178.8   60.8 107.1  61.8  125 -2.0    0  0.0    0  0.0    0  0.0  9 31
  129 A 129    ILE I     t <   < T -    0    0 -122.4  168.7 -179.2 -158.0  54.4 141.6  126 -1.3    0  0.0  125 -0.5    0  0.0  9 36
  130 A 130    LYS K               +    0    0 -127.9   20.8 -179.8   81.0  69.6  85.6    0  0.0    0  0.0    0  0.0    0  0.0  6 31
  131 A 131    ILE I   S S        S-    0    0 -126.3  169.8  179.3  -77.4  87.5 142.9    0  0.0    0  0.0    0  0.0    0  0.0  8 36
  132 A 132    ASP D   E E  Ae     -  105    0  -62.4  143.1  179.4 -163.2  43.1 109.0  104 -0.8  106 -2.3    0  0.0    0  0.0  7 35
  133 A 133    MET M   E E  Ae     -  106    0 -136.8  122.8  178.8 -158.8   7.9 170.8    0  0.0  135 -0.5    0  0.0    0  0.0  9 45
  134 A 134    LEU L   E E  Ae     -  107    0 -103.1  123.7 -177.0 -157.9   8.7 156.0  106 -2.8  108 -2.5    0  0.0  136 -0.6  8 43
  135 A 135    VAL V   E E  Ae     -  108    0 -106.6  119.2 -170.8 -161.8  14.4 154.6  133 -0.5    0  0.0    0  0.0    0  0.0  9 46
  136 A 136    VAL V   E E  Ae     -  109    0 -115.3  131.9  179.8 -132.6  13.9 152.5  108 -2.9  110 -2.0  134 -0.6    0  0.0  9 40
  137 A 137    PRO P   E E  Ae     -  110    0  -80.6  140.3  179.9 -162.1  18.1 124.5    0  0.0    0  0.0    0  0.0    0  0.0  8 36
  138 A 138    LEU L     e         -    0    0 -121.6  125.3 -179.4 -169.8  12.7 169.9  110 -2.3    0  0.0    0  0.0    0  0.0 11 31
  139 A 139    ARG R                    0    0 -119.4  165.0  178.1  999.9 999.9 141.2    0  0.0    0  0.0    0  0.0    0  0.0  6 23
  140 A 140    ASP D                    0    0   43.8  999.9  999.9  999.9 999.9  31.4    0  0.0    0  0.0    0  0.0    0  0.0  3 16
 
 1jmvA.pdb                                                   
 1JMV  CHAPERONE  MOL_ID: 1;  MOL_ID: 1;  
 
    author                                                                                                        author   
 Kabs/Sand    SEEEEEE  STTHHHHHHHHHHHHHHHT EEEEEEEEE  GGG    EEHHHHHHTT    HHHHHHHHHHHHSSS    EEEEEE HHHHHHHHHHH  Kabs/Sand
 chirality   -+-------+-++++++++++++++++-+--+------+--++++-----++++++-++++-++++++++++++-+---+-+-+-++-+++++++++++  chirality
     bends    S        SSSSSSSSSSSSSSSSSS             SSS      SSSSSSSS    SSSSSSSSSSSSSSS         S SSSSSSSSSSS  bends    
     turns             TTTTTTTTTTTTTTTTTTTT          TTTTT    TTTTTTTTTT  TTTTTTTTTTTTTT            TTTTTTTTTTTT  turns    
   5-turns                           >5555<                       >5555<                                     >55  5-turns  
   3-turns             >3><3<         >33<           >>3<<        >>3<<             >33<                      >3  3-turns  
  bridge-2      bbb                           cccccc                                           DD                 bridge-2 
  bridge-1     aaaaaa                      aaaaaa            DD                               cccccc              bridge-1 
    sheets     AAAAAA                      AAAAAAAAA         AA                               AAAAAA              sheets   
   4-turns               >>>>XXXXXXXXX<<<<                    >>>><<<<    >>>>XXXXXX<<<<            >>>>XXXXX<<<  4-turns  
   summary    eEEEEEE  tThHHHHHHHHHHHHHHHhtEEEEEEEEEegGGGg   EEHHHHHHhTt  hHHHHHHHHHHHHhSS   eEEEEEEhHHHHHHHHHHH  summary  
  sequence  MYKHILVAVDLSEESPILLKKAVGIAKRHDAKLSIIHVDVNFSDLYTGLIDVNMSSMQDRISTETQKALLDLAESVDYPISEKLSGSGDLGQVLSDAIEQ  sequence 
                    10        20        30        40        50        60        70        80        90       100
 
    author                                            author   
 Kabs/Sand  TT  EEEEEE    HHHHHHHHHHHHTT  SEEEEEE     Kabs/Sand
 chirality  -+-+--+----+--++++++++++++++-+--------    chirality
     bends  S             SSSSSSSSSSSSSS  S           bends    
     turns  TTT          TTTTTTTTTTTTTTTT             turns    
   5-turns  55<                                       5-turns  
   3-turns  3<           >33<       >>3<<             3-turns  
  bridge-2      eeeeee                                bridge-2 
  bridge-1      bbb                        eeeeee     bridge-1 
    sheets      AAAAAA                     AAAAAA     sheets   
   4-turns  <            >>>>XXXXXX