Secondary structure calculation program - copyright by David Keith Smith, 1989 1aokB.pdb 1AOK HYDROLASE MOL_ID: 1; MOL_ID: 1; Sequence length - 122 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 B 1 ASN N h > T 0 0 999.9 174.9 179.1 999.9 999.9 999.9 0 0.0 5 -2.2 0 0.0 0 0.0 10 39 2 B 2 LEU L H H > T + 0 0 -61.9 -32.9 177.3 62.4 999.9 34.7 60 -1.3 6 -2.6 0 0.0 0 0.0 8 41 3 B 3 PHE F H H > TS+ 0 0 -55.8 -44.2 -179.4 41.0 110.1 22.5 0 0.0 7 -1.5 0 0.0 0 0.0 6 32 4 B 4 GLN Q H H > TS+ 0 0 -73.4 -36.8 176.4 55.9 110.5 26.4 0 0.0 8 -2.3 0 0.0 0 0.0 8 46 5 B 5 PHE F H H X TS+ 0 0 -59.1 -45.1 -179.9 52.5 106.6 19.2 1 -2.2 9 -2.4 0 0.0 0 0.0 11 60 6 B 6 ALA A H H X TS+ 0 0 -57.6 -43.4 178.5 50.5 108.1 21.8 2 -2.6 10 -3.0 0 0.0 0 0.0 9 50 7 B 7 LYS K H H X TS+ 0 0 -64.8 -37.5 176.1 52.0 108.4 28.5 3 -1.5 11 -2.9 0 0.0 0 0.0 9 44 8 B 8 MET M H H X TS+ 0 0 -62.1 -46.5 -178.3 46.6 112.2 20.2 4 -2.3 12 -1.9 0 0.0 0 0.0 12 49 9 B 9 ILE I H H X TS+ 0 0 -61.4 -50.1 178.7 44.3 115.8 20.9 5 -2.4 13 -2.8 0 0.0 0 0.0 14 50 10 B 10 ASN N H H X TS+ 0 0 -61.8 -41.3 -178.8 50.4 113.5 25.4 6 -3.0 14 -2.3 0 0.0 0 0.0 12 36 11 B 11 GLY G H H < TS+ 0 0 -69.0 -29.7 178.8 40.0 117.8 35.1 7 -2.9 0 0.0 0 0.0 0 0.0 10 39 12 B 12 LYS K H H < TS+ 0 0 -83.0 -40.7 -173.6 23.3 130.3 30.3 8 -1.9 0 0.0 0 0.0 0 0.0 12 40 13 B 13 LEU L H H < TS- 0 0 -103.7 -20.4 -179.7 -91.7 115.7 55.6 9 -2.8 0 0.0 0 0.0 0 0.0 8 37 14 B 14 GLY G h < > T - 0 0 121.8 152.8 -178.0 -42.1 58.2 105.8 10 -2.3 17 -1.9 0 0.0 0 0.0 8 27 15 B 16 ALA A T T 3 TS+ 0 0 -48.7 148.3 179.3 19.8 124.4 97.6 0 0.0 0 0.0 0 0.0 0 0.0 7 21 16 B 17 PHE F T g > TS+ 0 0 72.8 -4.4 -175.8 121.0 88.3 72.1 0 0.0 19 -1.0 0 0.0 0 0.0 7 23 17 B 18 SER S G G X T + 0 0 -57.2 -42.4 -179.5 64.5 60.8 30.1 14 -1.9 20 -2.0 0 0.0 0 0.0 10 39 18 B 19 VAL V G G > TS+ 0 0 -54.8 -33.0 178.8 66.0 90.3 31.4 0 0.0 21 -2.5 0 0.0 0 0.0 11 41 19 B 20 TRP W G G X TS+ 0 0 -64.7 -17.0 173.0 64.4 91.9 40.4 16 -1.0 22 -0.8 0 0.0 0 0.0 6 36 20 B 21 ASN N G G < TS+ 0 0 -72.5 -17.8 -173.6 50.2 101.6 54.8 17 -2.0 0 0.0 0 0.0 0 0.0 9 45 21 B 22 TYR Y G G < TS+ 0 0 -111.2 15.6 -179.8 97.6 78.7 78.4 18 -2.5 0 0.0 0 0.0 0 0.0 9 59 22 B 23 ILE I S g < TS- 0 0 -70.4 -39.5 -179.6 -2.6 107.8 29.9 19 -0.8 0 0.0 0 0.0 0 0.0 9 43 23 B 24 SER S S S S+ 0 0 -155.3 97.7 179.7 143.4 87.3 139.0 0 0.0 109 -2.3 0 0.0 0 0.0 13 40 24 B 25 TYR Y B B > AB T - 28 108 -141.8 138.3 177.7 -22.8 60.2 166.4 28 -2.1 28 -1.8 0 0.0 0 0.0 15 48 25 B 26 GLY G T T 4 TS- 0 0 60.8 -161.8 178.7 -53.3 105.1 105.2 107 -2.8 0 0.0 0 0.0 0 0.0 14 48 26 B 27 CYS C T T 4 TS+ 0 0 -86.8 -16.4 -174.8 25.0 136.1 50.1 0 0.0 32 -3.3 0 0.0 33 -0.9 17 48 27 B 28 TYR Y T T 4 TS+ 0 0 -124.6 -17.1 -178.7 108.7 83.0 54.2 0 0.0 29 -0.8 0 0.0 0 0.0 16 51 28 B 29 CYS C B B < A TS- 24 0 -73.1 113.4 176.9 -36.2 105.3 121.9 24 -1.8 24 -2.1 0 0.0 30 -1.9 14 59 29 B 30 GLY G S S S+ 0 0 78.8 -73.6 -179.8 25.7 134.2 121.6 27 -0.8 0 0.0 0 0.0 0 0.0 9 48 30 B 31 TRP W S S S+ 0 0 -103.8 -170.3 176.1 52.8 95.9 110.7 28 -1.9 32 -0.5 0 0.0 0 0.0 9 39 31 B 32 GLY G - 0 0 86.2 -126.5 176.9 -167.0 47.3 137.3 0 0.0 0 0.0 0 0.0 0 0.0 10 38 32 B 33 GLY G + 0 0 108.1 27.1 178.6 83.0 54.6 46.3 26 -3.3 0 0.0 30 -0.5 0 0.0 6 42 33 B 34 GLN Q + 0 0 -156.8 146.6 175.2 27.6 66.0 168.4 26 -0.9 0 0.0 0 0.0 0 0.0 11 36 34 B 35 GLY G S S S- 0 0 102.5 -178.3 177.2 -40.3 91.2 114.0 0 0.0 0 0.0 0 0.0 0 0.0 11 35 35 B 36 THR T - 0 0 -89.1 133.4 179.1 -103.8 68.2 144.7 0 0.0 0 0.0 0 0.0 0 0.0 10 37 36 B 37 PRO P - 0 0 -53.5 141.6 -171.5 -138.7 27.9 102.8 0 0.0 0 0.0 0 0.0 0 0.0 11 49 37 B 38 LYS K - 0 0 -84.4 -24.4 -176.7 -24.4 67.3 40.0 0 0.0 0 0.0 0 0.0 0 0.0 10 44 38 B 39 ASP D S h > TS- 0 0 -166.5 -167.1 -177.2 -63.6 86.1 154.3 0 0.0 42 -2.2 0 0.0 0 0.0 7 37 39 B 40 ALA A H H > TS+ 0 0 -68.7 -40.0 178.3 50.7 128.6 30.7 0 0.0 43 -2.1 0 0.0 0 0.0 9 35 40 B 41 THR T H H > TS+ 0 0 -60.4 -46.6 179.9 47.0 113.1 17.3 0 0.0 44 -1.6 0 0.0 0 0.0 14 48 41 B 42 ASP D H H > TS+ 0 0 -59.5 -40.7 174.5 55.4 108.6 30.8 0 0.0 45 -2.3 0 0.0 0 0.0 14 55 42 B 43 ARG R H H X TS+ 0 0 -59.7 -41.7 172.6 55.4 103.1 24.0 38 -2.2 46 -2.9 0 0.0 0 0.0 11 48 43 B 44 CYS C H H X TS+ 0 0 -54.3 -44.6 -179.1 46.7 110.3 26.7 39 -2.1 47 -2.1 0 0.0 0 0.0 11 52 44 B 45 CYS C H H X TS+ 0 0 -67.6 -38.0 177.6 51.7 110.1 33.4 40 -1.6 48 -1.9 0 0.0 0 0.0 12 58 45 B 46 PHE F H H X TS+ 0 0 -61.4 -46.7 176.6 47.7 111.2 17.6 41 -2.3 49 -2.3 0 0.0 0 0.0 11 46 46 B 47 VAL V H H X TS+ 0 0 -60.5 -38.3 177.0 55.6 108.7 20.7 42 -2.9 50 -3.0 0 0.0 0 0.0 10 46 47 B 48 HIS H H H X TS+ 0 0 -63.5 -38.7 174.1 47.7 107.8 27.7 43 -2.1 51 -2.4 0 0.0 0 0.0 12 52 48 B 49 ASP D H H X TS+ 0 0 -66.2 -39.9 177.6 50.0 111.9 27.3 44 -1.9 52 -2.5 0 0.0 0 0.0 9 52 49 B 50 CYS C H H X TS+ 0 0 -62.1 -39.7 179.3 50.4 111.3 24.2 45 -2.3 53 -1.1 0 0.0 0 0.0 9 37 50 B 51 CYS C H H < > TS+ 0 0 -63.5 -48.8 177.6 45.0 112.4 22.9 46 -3.0 53 -0.6 0 0.0 0 0.0 10 40 51 B 52 TYR Y H H < > TS+ 0 0 -62.5 -37.8 178.1 62.0 106.6 30.1 47 -2.4 54 -1.5 0 0.0 0 0.0 10 44 52 B 53 GLY G H H < 3 TS+ 0 0 -60.2 -28.2 176.5 55.6 99.0 40.6 48 -2.5 0 0.0 0 0.0 0 0.0 6 30 53 B 54 ARG R T h < < TS+ 0 0 -81.0 -8.9 179.5 104.4 84.9 54.3 49 -1.1 0 0.0 50 -0.6 0 0.0 6 27 54 B 55 VAL V t < T - 0 0 -78.2 133.7 179.1 -162.5 55.3 123.0 51 -1.5 0 0.0 0 0.0 0 0.0 11 32 55 B 56 ARG R + 0 0 -120.3 139.1 174.2 10.4 60.0 157.5 0 0.0 0 0.0 0 0.0 0 0.0 5 23 56 B 58 GLY G S S S+ 0 0 92.6 -21.9 178.3 74.7 108.6 79.6 0 0.0 0 0.0 0 0.0 0 0.0 5 21 57 B 59 CYS C S S S- 0 0 -124.5 158.5 -178.3 -119.2 76.9 157.0 0 0.0 0 0.0 0 0.0 0 0.0 8 26 58 B 61 ASN N t > > T - 0 0 -97.4 111.6 -176.7 -153.5 16.0 142.7 0 0.0 62 -2.8 0 0.0 61 -1.0 6 30 59 B 68 PRO P T T 4 3 TS+ 0 0 -60.0 -30.8 175.8 52.3 94.6 32.3 0 0.0 0 0.0 0 0.0 0 0.0 10 38 60 B 69 LYS K T T 4 3 TS+ 0 0 -72.6 -31.2 -176.6 29.3 122.8 37.9 0 0.0 2 -1.3 0 0.0 0 0.0 6 35 61 B 70 LEU L T T 4 < TS+ 0 0 -105.3 -17.5 -175.8 107.5 88.8 51.8 58 -1.0 0 0.0 0 0.0 0 0.0 7 26 62 B 71 ALA A t < T - 0 0 -72.5 127.1 178.4 -148.0 56.7 120.4 58 -2.8 64 -0.7 0 0.0 0 0.0 10 34 63 B 72 ILE I + 0 0 -97.7 117.2 179.6 171.9 24.4 148.8 0 0.0 0 0.0 0 0.0 0 0.0 7 37 64 B 73 TYR Y - 0 0 -104.0 -168.4 175.0 -105.9 31.2 108.5 62 -0.7 0 0.0 0 0.0 0 0.0 10 40 65 B 74 TYR Y e + 0 0 -126.5 140.0 177.5 145.8 45.1 170.1 0 0.0 76 -1.6 0 0.0 0 0.0 9 35 66 B 75 TYR Y E E AA - 75 0 -152.1 169.4 168.8 -168.4 18.3 160.7 0 0.0 0 0.0 0 0.0 0 0.0 10 41 67 B 76 SER S E E AA - 74 0 -154.1 170.7 173.5 -110.6 26.9 164.4 74 -2.0 74 -3.6 0 0.0 0 0.0 8 33 68 B 77 PHE F E E AA - 73 0 -103.3 130.8 179.5 -171.6 27.8 154.0 0 0.0 70 -0.5 0 0.0 0 0.0 9 31 69 B 78 LYS K E E AA > TS- 72 0 -125.7 113.1 -177.3 -23.2 78.1 172.1 72 -2.7 72 -2.8 0 0.0 0 0.0 7 17 70 B 79 LYS K T T 3 TS- 0 0 51.7 40.2 179.3 -50.1 129.3 32.5 68 -0.5 0 0.0 0 0.0 0 0.0 4 13 71 B 80 GLY G T T 3 TS+ 0 0 83.7 -3.9 179.7 115.0 114.7 66.0 0 0.0 0 0.0 0 0.0 0 0.0 7 23 72 B 81 ASN N E E AA < T - 69 0 -103.2 147.7 -177.7 -117.6 69.5 141.8 69 -2.8 69 -2.7 0 0.0 0 0.0 7 31 73 B 82 ILE I E E AA - 68 0 -76.7 130.1 177.3 -172.3 32.2 129.7 0 0.0 0 0.0 0 0.0 0 0.0 11 40 74 B 83 VAL V E E AA - 67 0 -130.5 118.3 176.3 -155.6 11.9 167.0 67 -3.6 67 -2.0 0 0.0 0 0.0 9 34 75 B 84 CYS C E E AA + 66 0 -82.5 139.8 -179.3 157.9 30.9 134.2 0 0.0 0 0.0 0 0.0 0 0.0 12 40 76 B 85 GLY G e + 0 0 -158.3 162.5 176.1 28.6 43.5 172.9 65 -1.6 0 0.0 0 0.0 0 0.0 8 28 77 B 86 LYS K S S S+ 0 0 62.4 15.4 -178.0 140.8 80.3 56.7 0 0.0 0 0.0 0 0.0 0 0.0 7 21 78 B 88 ASN N - 0 0 -96.2 135.6 178.0 -163.3 33.6 133.4 0 0.0 0 0.0 0 0.0 0 0.0 10 28 79 B 89 ASN N h > > T - 0 0 -111.8 148.7 173.4 -34.3 51.4 147.5 0 0.0 82 -1.1 0 0.0 83 -0.7 6 22 80 B 90 GLY G H H > > TS+ 0 0 49.9 -126.4 -178.1 5.6 130.2 91.8 0 0.0 84 -1.5 0 0.0 83 -0.9 6 25 81 B 91 CYS C H H > 3 TS+ 0 0 -61.7 -32.2 175.4 60.8 128.8 29.0 0 0.0 85 -2.8 0 0.0 0 0.0 10 31 82 B 92 LEU L H H > < TS+ 0 0 -62.6 -38.2 176.3 51.0 103.6 29.4 79 -1.1 86 -2.0 0 0.0 0 0.0 12 37 83 B 93 ARG R H H X < TS+ 0 0 -62.1 -52.2 -177.5 45.7 111.7 22.2 80 -0.9 87 -2.0 79 -0.7 0 0.0 13 38 84 B 94 ASP D H H X TS+ 0 0 -61.1 -48.5 178.1 50.7 112.2 21.2 80 -1.5 88 -2.3 0 0.0 0 0.0 9 42 85 B 95 ILE I H H X TS+ 0 0 -55.7 -49.3 177.3 49.4 110.0 22.1 81 -2.8 89 -2.3 0 0.0 0 0.0 14 49 86 B 96 CYS C H H X TS+ 0 0 -55.4 -44.6 -178.6 50.6 111.2 23.1 82 -2.0 90 -3.3 0 0.0 0 0.0 13 53 87 B 97 GLU E H H X TS+ 0 0 -65.1 -38.5 176.0 53.6 106.8 25.9 83 -2.0 91 -2.5 0 0.0 0 0.0 9 50 88 B 98 CYS C H H X TS+ 0 0 -56.4 -53.7 179.6 42.0 114.3 17.8 84 -2.3 92 -2.1 0 0.0 0 0.0 11 56 89 B 99 ASP D H H X TS+ 0 0 -59.6 -49.2 178.8 53.3 112.5 21.7 85 -2.3 93 -3.1 0 0.0 0 0.0 11 64 90 B 100 ARG R H H X TS+ 0 0 -52.6 -51.3 -179.0 44.7 112.1 19.8 86 -3.3 94 -2.4 0 0.0 0 0.0 13 52 91 B 101 VAL V H H X TS+ 0 0 -62.5 -42.1 179.0 48.8 114.4 28.0 87 -2.5 95 -2.3 0 0.0 0 0.0 9 46 92 B 102 ALA A H H X TS+ 0 0 -65.8 -43.5 -179.6 49.5 110.7 18.0 88 -2.1 96 -2.6 0 0.0 0 0.0 12 56 93 B 103 ALA A H H X TS+ 0 0 -61.9 -42.9 178.1 47.8 113.3 22.8 89 -3.1 97 -2.1 0 0.0 0 0.0 12 60 94 B 104 ASN N H H X TS+ 0 0 -62.4 -42.6 176.4 52.2 110.3 27.3 90 -2.4 98 -2.9 0 0.0 0 0.0 9 47 95 B 105 CYS C H H X TS+ 0 0 -62.2 -40.1 175.0 50.5 108.3 26.1 91 -2.3 99 -1.9 0 0.0 0 0.0 10 43 96 B 106 PHE F H H < TS+ 0 0 -60.7 -45.9 -179.6 48.3 111.9 21.0 92 -2.6 0 0.0 0 0.0 0 0.0 11 54 97 B 107 HIS H H H < > TS+ 0 0 -61.8 -45.5 177.6 51.0 110.8 17.2 93 -2.1 100 -1.2 0 0.0 0 0.0 10 42 98 B 108 GLN Q H H < 3 TS+ 0 0 -58.9 -39.1 -174.0 37.0 118.9 32.9 94 -2.9 0 0.0 0 0.0 0 0.0 7 31 99 B 109 ASN N T h < > TS+ 0 0 -103.1 17.2 -178.0 113.0 79.1 77.9 95 -1.9 102 -1.6 0 0.0 0 0.0 10 34 100 B 110 LYS K G G X T + 0 0 -56.3 -38.7 -178.8 68.4 67.1 32.3 97 -1.2 103 -1.7 0 0.0 0 0.0 8 38 101 B 111 ASN N G G 3 TS+ 0 0 -54.6 -28.5 -177.7 44.0 103.0 40.2 0 0.0 0 0.0 0 0.0 0 0.0 5 22 102 B 112 THR T G G < TS+ 0 0 -104.3 11.4 175.9 135.6 75.3 69.9 99 -1.6 0 0.0 0 0.0 0 0.0 7 26 103 B 113 TYR Y g < T - 0 0 -58.5 129.7 -176.4 -154.6 42.8 114.3 100 -1.7 105 -0.6 0 0.0 0 0.0 7 39 104 B 114 ASN N g > T - 0 0 -115.7 108.4 -178.5 -154.8 13.0 154.0 0 0.0 107 -2.9 0 0.0 0 0.0 6 30 105 B 115 ALA A G G > TS+ 0 0 -59.0 -22.6 171.5 69.7 92.0 36.3 103 -0.6 108 -1.7 0 0.0 0 0.0 5 27 106 B 116 ASN N G G 3 TS+ 0 0 -67.6 -9.5 174.4 61.6 91.3 59.9 0 0.0 0 0.0 0 0.0 0 0.0 4 24 107 B 117 TYR Y G G X TS+ 0 0 -95.1 0.7 176.6 109.5 81.7 64.2 104 -2.9 25 -2.8 0 0.0 110 -0.7 9 38 108 B 118 LYS K B B B < TS+ 24 0 -74.0 144.9 173.0 6.5 82.6 120.3 105 -1.7 0 0.0 0 0.0 0 0.0 10 36 109 B 119 PHE F T T 3 TS- 0 0 55.5 44.5 175.4 -176.5 82.7 33.9 23 -2.3 0 0.0 0 0.0 0 0.0 7 30 110 B 120 LEU L t < T - 0 0 -67.4 148.7 173.6 -129.4 20.1 112.0 107 -0.7 0 0.0 0 0.0 0 0.0 11 33 111 B 121 SER S g > T - 0 0 -91.5 162.8 178.9 -105.1 28.4 120.9 0 0.0 114 -2.2 0 0.0 0 0.0 6 27 112 B 122 SER S G G > TS+ 0 0 -57.8 -28.7 179.0 71.0 116.5 33.0 0 0.0 115 -2.0 0 0.0 0 0.0 9 26 113 B 124 SER S G G 3 TS+ 0 0 -63.5 -15.3 176.5 54.8 94.7 40.8 0 0.0 0 0.0 0 0.0 0 0.0 5 23 114 B 125 ARG R G G < TS+ 0 0 -88.9 -11.1 -175.9 58.8 103.3 57.2 111 -2.2 0 0.0 0 0.0 0 0.0 7 28 115 B 126 CYS C S g < TS- 0 0 -120.2 67.4 179.4 -174.6 77.0 126.7 112 -2.0 0 0.0 0 0.0 0 0.0 11 33 116 B 127 ARG R - 0 0 -61.6 150.4 -179.3 -84.3 38.8 104.6 0 0.0 0 0.0 0 0.0 0 0.0 9 20 117 B 128 GLN Q + 0 0 -61.1 129.2 176.4 165.9 59.1 107.8 0 0.0 0 0.0 0 0.0 0 0.0 7 20 118 B 129 THR T - 0 0 -131.2 -176.3 177.4 -98.3 50.8 139.4 0 0.0 0 0.0 0 0.0 0 0.0 7 20 119 B 130 GLY G + 0 0 -88.4 15.5 -179.1 154.0 61.1 76.4 0 0.0 0 0.0 0 0.0 0 0.0 5 14 120 B 131 GLU E - 0 0 -51.3 113.6 -179.6 -173.9 21.3 103.9 0 0.0 0 0.0 0 0.0 0 0.0 6 26 121 B 132 LYS K 0 0 -114.9 152.4 -179.7 999.9 999.9 143.4 0 0.0 0 0.0 0 0.0 0 0.0 3 24 122 B 133 CYS C 0 0 -73.3 999.9 999.9 999.9 999.9 17.5 0 0.0 0 0.0 0 0.0 0 0.0 4 25 1aokB.pdb 1AOK HYDROLASE MOL_ID: 1; MOL_ID: 1; author author Kabs/Sand HHHHHHHHHHHH TTGGGGGSSBTTTBSS S SHHHHHHHHHHHHHHT SS TTT EEEETTEEEE S HHHHHHHHHHHHHHHHHHHTG Kabs/Sand chirality +++++++++++--+++++++-+--++-++-++-----+++++++++++++++-++--+++-+-+-----+---+++--+++++++++++++++++++++ chirality bends SSSSSSSSSSS SS SSSSSS SSSSSS S SSSSSSSSSSSSSSSS SS SSS SSS S SSSSSSSSSSSSSSSSSSSS bends turns TTTTTTTTTTTTTTTTTTTTTT TTTTT TTTTTTTTTTTTTTTTT TTTTT TTTT TTTTTTTTTTTTTTTTTTTTTT turns 5-turns 5-turns 3-turns >3>X>X<<< >>3<< >33< >33< >>3<< >3>X 3-turns bridge-2 B bridge-2 bridge-1 A A AAAA AAAA bridge-1 sheets AAAA AAAA sheets 4-turns >>>>XXXXXX<<<< >444< >>>>XXXXXXXX<<<< >444< >>>>XXXXXXXXXXXXX<<<< 4-turns summary hHHHHHHHHHHHHhTgGGGGGgSBTTTBSS S hHHHHHHHHHHHHHHht SStTTTt eEEEETTEEEEeS hHHHHHHHHHHHHHHHHHHHhG summary sequence NLFQFAKMINGKLGAFSVWNYISYGCYCGWGGQGTPKDATDRCCFVHDCCYGRVRGCNPKLAIYYYSFKKGNIVCGKNNGCLRDICECDRVAANCFHQNK sequence 10 20 30 40 50 60 70 80 90 100 author author Kabs/Sand GG GGGBT GGGS Kabs/Sand chirality ++--++++---+++--+-+- chirality bends SS SSSSS SSSS bends turns TTTTTTTTTTTTTTT turns 5-turns 5-turns 3-turns 3<<>>3X<3<>>3<< 3-turns bridge-2 bridge-2 bridge-1 B bridge-1 sheets sheets 4-turns 4-turns summary GGggGGGBTtgGGGg summary sequence NTYNANYKFLSSSRCRQTGEKC sequence 110 120