Secondary structure calculation program - copyright by David Keith Smith, 1989 1bkb-.pdb 1BKB TRANSLATION MOL_ID: 1; MOL_ID: 1; Sequence length - 132 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 4 LYS K 0 0 999.9 131.7 179.4 999.9 999.9 999.9 0 0.0 0 0.0 0 0.0 0 0.0 2 4 2 5 TRP W 0 0 -101.1 159.8 179.5 999.9 999.9 130.7 0 0.0 0 0.0 0 0.0 0 0.0 2 6 3! 6 VAL V 0 0 -133.3 999.9 999.9 999.9 999.9 58.5 0 0.0 0 0.0 0 0.0 0 0.0 3 13 4! 8 SER S 0 0 999.9 122.8 -179.3 999.9 999.9 999.9 0 0.0 0 0.0 0 0.0 0 0.0 3 16 5 9 THR T - 0 0 -58.9 132.9 179.6 -143.3 999.9 108.7 0 0.0 0 0.0 0 0.0 0 0.0 6 23 6 10 LYS K E E AA - 69 0 -100.9 139.2 -179.6 -172.9 20.8 144.3 69 -0.6 69 -2.6 0 0.0 0 0.0 8 27 7 11 TYR Y E E AA - 68 0 -131.7 163.4 177.3 -179.3 15.9 151.8 0 0.0 0 0.0 0 0.0 0 0.0 8 26 8 12 VAL V E E AA - 67 0 -149.8 160.0 178.8 -90.7 42.4 160.6 67 -1.7 67 -2.5 0 0.0 0 0.0 10 29 9 13 GLU E E E >AA > T - 66 0 -78.1 141.7 -179.6 -123.7 33.1 125.5 0 0.0 12 -2.5 0 0.0 13 -0.5 11 35 10 14 ALA A G e 4 > TS+ 0 0 -50.7 -39.2 -179.4 62.6 110.6 31.4 65 -2.3 13 -1.4 0 0.0 0 0.0 13 45 11 15 GLY G G G 4 3 TS+ 0 0 -64.5 -12.8 -179.6 58.9 97.0 51.4 63 -2.9 0 0.0 0 0.0 0 0.0 8 37 12 16 GLU E G G 4 < TS+ 0 0 -91.2 -14.9 -179.9 103.9 82.8 51.9 9 -2.5 0 0.0 0 0.0 0 0.0 7 33 13 17 LEU L g < < T - 0 0 -67.7 150.8 178.8 -178.4 48.1 108.2 10 -1.4 0 0.0 9 -0.5 0 0.0 10 44 14 18 LYS K t > T - 0 0 -142.3 167.1 177.9 -68.2 43.0 155.6 0 0.0 17 -2.7 0 0.0 0 0.0 8 32 15 19 GLU E T T 3 TS+ 0 0 -56.6 132.7 -179.4 29.9 126.0 112.6 0 0.0 0 0.0 0 0.0 0 0.0 9 28 16 20 GLY G T T 3 TS+ 0 0 99.3 -16.3 179.0 123.6 92.3 77.4 28 -2.8 0 0.0 0 0.0 0 0.0 7 27 17 21 SER S e < T - 0 0 -71.8 164.0 177.0 -125.0 58.6 106.0 14 -2.7 28 -3.1 0 0.0 0 0.0 8 40 18 22 TYR Y E E BB + 27 0 -116.6 139.4 -178.5 166.8 33.2 160.6 0 0.0 0 0.0 0 0.0 0 0.0 10 49 19 23 A VAL V E E BB - 26 0 -144.9 157.3 177.7 -121.2 33.5 165.0 26 -2.5 26 -3.8 0 0.0 21 -0.5 12 53 20 24 VAL V E E BB - 25 0 -104.7 124.1 178.6 -177.8 27.3 155.6 68 -2.6 0 0.0 0 0.0 0 0.0 12 48 21 25 ILE I E E BB > TS- 24 0 -124.0 119.5 -179.0 -21.0 72.3 169.7 24 -2.4 24 -1.8 19 -0.5 0 0.0 11 44 22 26 ASP D T T 3 TS- 0 0 47.7 50.0 178.1 -47.5 129.5 25.4 0 0.0 0 0.0 0 0.0 0 0.0 4 30 23 27 GLY G T T 3 TS+ 0 0 78.8 -3.3 -179.4 109.2 116.0 67.4 0 0.0 0 0.0 0 0.0 0 0.0 5 33 24 28 GLU E E E BB < T - 21 0 -111.3 125.1 179.3 -132.0 66.6 156.6 21 -1.8 21 -2.4 0 0.0 0 0.0 9 40 25 29 PRO P E E BB - 20 0 -72.3 130.3 -178.0 -176.4 37.9 127.3 0 0.0 51 -3.1 0 0.0 0 0.0 13 47 26 30 CYS C E E BBC - 19 50 -131.6 156.8 177.0 -126.3 29.7 157.1 19 -3.8 19 -2.5 0 0.0 0 0.0 13 48 27 31 ARG R E E BBC - 18 49 -99.8 129.0 -179.4 -121.0 34.9 150.6 49 -2.5 49 -2.1 0 0.0 0 0.0 13 45 28 32 VAL V E E B C + 0 48 -72.7 127.2 179.8 172.3 34.3 123.2 17 -3.1 16 -2.8 0 0.0 0 0.0 16 43 29 33 VAL V E E B * + 0 0 -107.5 -21.9 178.2 7.6 65.7 50.7 47 -2.6 0 0.0 0 0.0 0 0.0 10 32 30 34 GLU E E E B C - 0 47 -161.8 145.4 179.7 -166.7 55.0 166.0 47 -1.7 47 -2.8 0 0.0 0 0.0 9 31 31 35 ILE I E E B C - 0 46 -136.8 134.1 179.6 -168.8 5.4 178.4 0 0.0 0 0.0 0 0.0 0 0.0 12 37 32 36 GLU E E E B C - 0 45 -123.5 140.4 179.9 -155.3 7.6 164.1 45 -2.2 45 -2.9 0 0.0 0 0.0 7 29 33 37 LYS K E E B C + 0 44 -114.8 149.7 179.5 165.9 17.8 149.3 0 0.0 0 0.0 0 0.0 0 0.0 8 32 34 38 SER S E E B C - 0 43 -154.1 166.9 -179.9 -160.4 21.4 164.7 43 -1.9 43 -2.8 0 0.0 0 0.0 7 24 35 39 LYS K + 0 0 -158.4 101.0 -178.7 161.6 18.3 137.0 0 0.0 0 0.0 0 0.0 0 0.0 9 20 36 40 THR T + 0 0 -92.1 -30.8 -179.6 84.6 57.2 40.6 0 0.0 0 0.0 0 0.0 0 0.0 6 17 37 41 GLY G S t > TS- 0 0 -80.8 123.4 -179.9 -141.8 73.0 130.6 0 0.0 40 -1.1 0 0.0 0 0.0 7 14 38 42 LYS K T T 3 TS+ 0 0 -47.7 -42.8 179.5 12.1 106.7 29.9 0 0.0 0 0.0 0 0.0 0 0.0 5 9 39 43 HIS H T T 3 TS+ 0 0 -123.0 21.0 -179.3 110.9 113.0 85.9 0 0.0 0 0.0 0 0.0 0 0.0 4 10 40 44 GLY G S t < TS- 0 0 -89.5 -176.8 -179.9 -83.1 73.3 100.7 37 -1.1 0 0.0 0 0.0 0 0.0 7 16 41 45 SER S - 0 0 -87.2 149.6 178.0 -110.3 43.1 125.2 0 0.0 0 0.0 0 0.0 0 0.0 8 22 42 46 ALA A e - 0 0 -73.9 151.7 -180.0 -142.9 34.6 118.3 0 0.0 63 -2.6 0 0.0 0 0.0 11 27 43 47 LYS K E E BCD - 34 62 -117.5 154.6 178.6 -148.0 5.4 147.7 34 -2.8 34 -1.9 0 0.0 0 0.0 11 32 44 48 ALA A E E BCD - 33 61 -123.8 137.6 177.4 -158.3 1.3 166.0 61 -3.1 61 -2.1 0 0.0 46 -0.6 15 40 45 49 ARG R E E BCD - 32 60 -116.0 112.5 -177.9 -163.9 18.3 164.6 32 -2.9 32 -2.2 0 0.0 0 0.0 11 40 46 50 ILE I E E BCD - 31 59 -101.9 135.8 176.8 -167.8 10.8 143.8 59 -3.3 59 -2.0 44 -0.6 0 0.0 12 49 47 51 VAL V E E BCD + 30 58 -119.8 129.2 -178.8 161.6 22.7 170.4 30 -2.8 29 -2.6 0 0.0 30 -1.7 12 39 48 52 ALA A E E BCD - 28 57 -143.3 170.8 -179.4 -125.8 32.5 155.4 57 -2.8 57 -2.6 0 0.0 0 0.0 12 41 49 53 A VAL V E E BCD - 27 56 -126.3 132.0 -179.2 -109.5 31.7 169.0 27 -2.1 27 -2.5 0 0.0 0 0.0 12 36 50 54 GLY G E E >BC T - 26 0 -60.6 128.4 179.4 -146.7 16.5 109.6 55 -2.5 54 -1.1 0 0.0 0 0.0 13 44 51 55 VAL V T e 4 TS+ 0 0 -62.5 -38.8 -179.3 25.8 97.3 27.7 25 -3.1 0 0.0 0 0.0 0 0.0 9 50 52 56 PHE F T T 4 TS+ 0 0 -95.5 -46.2 -179.8 29.3 133.2 25.6 0 0.0 0 0.0 0 0.0 0 0.0 8 40 53 57 ASP D T T 4 TS- 0 0 -93.1 -4.4 179.5 -135.3 90.3 56.9 0 0.0 0 0.0 0 0.0 0 0.0 5 29 54 58 GLY G t < T + 0 0 62.1 17.7 -179.5 151.7 51.5 47.5 50 -1.1 0 0.0 0 0.0 0 0.0 7 33 55 59 GLY G e - 0 0 -85.8 144.1 179.1 -116.8 49.1 125.1 0 0.0 50 -2.5 0 0.0 0 0.0 6 27 56 60 LYS K E E BD + 49 0 -77.1 133.2 178.7 178.4 38.7 126.7 0 0.0 0 0.0 0 0.0 0 0.0 8 29 57 61 ARG R E E BD - 48 0 -134.9 154.0 179.5 -158.7 12.0 163.2 48 -2.6 48 -2.8 0 0.0 0 0.0 10 35 58 62 THR T E E BD - 47 0 -132.8 154.4 178.9 -171.7 5.3 161.0 0 0.0 0 0.0 0 0.0 0 0.0 9 40 59 63 LEU L E E BD - 46 0 -149.4 122.1 179.4 -170.6 1.7 159.2 46 -2.0 46 -3.3 0 0.0 0 0.0 9 46 60 64 A SER S E E BD + 45 0 -116.7 123.4 -178.9 127.7 30.1 165.4 0 0.0 0 0.0 0 0.0 0 0.0 8 37 61 65 A LEU L E E BD - 44 0 -163.0 168.7 180.0 -62.1 60.4 166.3 44 -2.1 44 -3.1 0 0.0 0 0.0 9 36 62 66 PRO P E E BD > T - 43 0 -59.4 148.9 -179.2 -120.2 45.8 103.8 0 0.0 65 -1.7 0 0.0 0 0.0 11 31 63 67 VAL V T e 3 TS+ 0 0 -64.0 -21.5 -179.9 50.7 113.5 41.9 42 -2.6 11 -2.9 0 0.0 0 0.0 12 31 64 68 ASP D T T 3 TS+ 0 0 -98.7 8.3 178.9 109.2 85.4 70.3 0 0.0 0 0.0 0 0.0 0 0.0 7 26 65 69 ALA A S e < TS- 0 0 -84.0 143.4 180.0 -109.7 75.3 128.2 62 -1.7 10 -2.3 0 0.0 0 0.0 8 29 66 70 GLN Q E E AA - 9 0 -73.9 142.8 177.9 -169.8 32.0 117.3 0 0.0 0 0.0 0 0.0 0 0.0 8 31 67 71 A VAL V E E AA - 8 0 -131.7 137.9 -179.5 -113.9 25.7 172.7 8 -2.5 8 -1.7 0 0.0 0 0.0 10 44 68 72 GLU E E E AA - 7 0 -75.8 137.6 178.8 -158.8 24.7 121.4 0 0.0 20 -2.6 0 0.0 0 0.0 11 42 69 73 A VAL V E E AA - 6 0 -117.5 127.3 -179.8 -123.8 19.1 166.2 6 -2.6 6 -0.6 0 0.0 0 0.0 12 42 70 74 PRO P - 0 0 -69.6 149.0 177.6 -122.6 17.9 110.6 0 0.0 72 -0.6 0 0.0 0 0.0 11 43 71 75 ILE I - 0 0 -92.2 119.9 -178.9 -162.6 30.1 147.7 0 0.0 73 -0.6 0 0.0 0 0.0 7 34 72 76 ILE I - 0 0 -112.4 116.0 179.2 -164.4 6.8 157.3 70 -0.6 74 -0.5 0 0.0 0 0.0 7 37 73 77 GLU E E E CE - 120 0 -99.0 124.4 -178.8 -158.8 10.3 149.1 120 -2.3 120 -2.6 71 -0.6 0 0.0 7 28 74 78 LYS K E E CE + 119 0 -107.2 135.7 179.5 150.8 22.0 150.2 72 -0.5 0 0.0 0 0.0 0 0.0 8 30 75 79 PHE F E E CE - 118 0 -152.8 172.7 -179.5 -104.7 39.5 159.7 118 -2.5 118 -3.2 0 0.0 0 0.0 10 34 76 80 THR T E E CE + 117 0 -108.4 141.7 179.3 177.0 32.8 149.1 0 0.0 0 0.0 0 0.0 0 0.0 11 36 77 81 ALA A E E CE - 116 0 -138.6 157.4 178.9 -128.7 24.1 161.7 116 -2.1 116 -2.8 0 0.0 0 0.0 11 42 78 82 GLN Q E E CE - 115 0 -109.5 134.7 179.8 -117.9 28.1 155.8 0 0.0 0 0.0 0 0.0 0 0.0 11 41 79 83 ILE I e + 0 0 -73.9 125.1 178.9 176.8 30.6 124.7 114 -3.0 113 -3.0 0 0.0 0 0.0 15 45 80 84 LEU L - 0 0 -93.6 -41.3 179.1 -13.0 66.6 35.8 88 -3.1 0 0.0 0 0.0 0 0.0 9 32 81 85 SER S E E DF - 88 0 -159.4 158.2 -179.2 -146.8 54.9 170.5 88 -1.4 88 -2.5 0 0.0 0 0.0 9 30 82 86 VAL V E E DF + 87 0 -135.2 122.1 177.1 171.7 17.7 170.0 0 0.0 0 0.0 0 0.0 0 0.0 12 33 83 87 SER S e - 0 0 -113.7 -177.2 179.4 -95.7 52.3 124.6 86 -2.4 0 0.0 0 0.0 0 0.0 6 23 84 88 GLY G S S S+ 0 0 -74.0 -15.9 -178.1 26.6 123.5 45.5 0 0.0 0 0.0 0 0.0 0 0.0 4 22 85 89 ASP D S S S+ 0 0 -118.4 -22.2 -176.9 38.9 120.6 49.9 0 0.0 0 0.0 0 0.0 0 0.0 7 24 86 90 A VAL V e - 0 0 -140.5 142.2 176.9 -151.6 52.9 172.8 0 0.0 83 -2.4 0 0.0 88 -0.6 9 29 87 91 ILE I E E DFG - 82 98 -108.8 121.2 179.5 -150.6 19.3 161.5 98 -2.9 98 -2.7 0 0.0 89 -0.5 12 45 88 92 A GLN Q E E DFG 81 97 -93.0 125.6 -177.9 999.9 999.9 145.6 81 -2.5 80 -3.1 86 -0.6 81 -1.4 11 39 89! 93 LEU L E E D G 0 96 -124.1 999.9 999.9 999.9 999.9 150.7 96 -3.1 96 -2.3 87 -0.5 0 0.0 12 45 90! 95 ASP D 0 0 999.9 999.9 999.9 999.9 999.9 999.9 0 0.0 93 -2.6 0 0.0 0 0.0 11 35 91! 97 ARG R 0 0 999.9 -46.6 -179.5 999.9 999.9 999.9 0 0.0 0 0.0 0 0.0 0 0.0 6 21 92 98 ASP D - 0 0 -124.3 1.6 178.6 -120.5 999.9 71.1 0 0.0 0 0.0 0 0.0 0 0.0 4 13 93 99 TYR Y + 0 0 68.5 13.6 179.8 147.0 60.9 54.5 90 -2.6 0 0.0 0 0.0 0 0.0 5 19 94 100 LYS K - 0 0 -78.7 158.3 179.6 -111.1 51.2 113.8 0 0.0 0 0.0 0 0.0 0 0.0 5 20 95 101 THR T - 0 0 -93.9 131.8 180.0 -176.9 34.6 140.8 0 0.0 0 0.0 0 0.0 0 0.0 7 28 96 102 ILE I E E DG - 89 0 -127.1 140.9 179.4 -143.8 15.9 166.4 89 -2.3 89 -3.1 0 0.0 0 0.0 7 38 97 103 GLU E E E DG - 88 0 -109.1 129.9 180.0 -169.8 14.4 156.4 0 0.0 0 0.0 0 0.0 0 0.0 8 35 98 104 VAL V E E DG 87 0 -120.9 126.8 179.7 999.9 999.9 166.1 87 -2.7 87 -2.9 0 0.0 0 0.0 12 49 99! 105 A PRO P 0 0 -62.8 999.9 999.9 999.9 999.9 110.1 0 0.0 101 -2.1 0 0.0 0 0.0 8 35 100! 107 LYS K 0 0 999.9 -19.6 179.5 999.9 999.9 999.9 0 0.0 0 0.0 0 0.0 0 0.0 4 33 101 108 TYR Y + 0 0 -98.9 34.6 178.3 101.2 999.9 95.5 99 -2.1 127 -2.4 0 0.0 0 0.0 9 45 102 109 VAL V B B a S- 127 0 -120.5 121.2 178.6 -111.0 82.9 169.2 0 0.0 0 0.0 0 0.0 0 0.0 11 46 103 110 GLU E h > > T - 0 0 -48.4 131.8 -179.4 -123.2 29.0 104.1 127 -2.8 106 -2.0 0 0.0 107 -1.3 10 38 104 111 GLU E H H > 3 TS+ 0 0 -47.1 -45.1 -179.6 56.0 110.1 30.6 0 0.0 108 -0.6 0 0.0 0 0.0 6 28 105 112 GLU E H H 4 3 TS+ 0 0 -64.0 -20.4 -179.4 48.6 108.0 45.3 0 0.0 0 0.0 0 0.0 0 0.0 6 22 106 113 ALA A H H 4 X TS+ 0 0 -92.6 -22.3 -179.0 79.5 89.8 44.7 103 -2.0 109 -1.7 0 0.0 0 0.0 12 33 107 114 LYS K H H < > TS+ 0 0 -54.3 -34.4 -178.9 61.9 86.3 33.9 103 -1.3 110 -1.1 0 0.0 0 0.0 8 34 108 115 GLY G T h < 3 TS+ 0 0 -68.3 -19.9 -179.4 40.7 107.8 46.1 104 -0.6 0 0.0 0 0.0 0 0.0 6 25 109 116 ARG R T T < TS+ 0 0 -114.7 17.5 178.5 131.7 77.9 80.0 106 -1.7 111 -0.5 0 0.0 0 0.0 6 29 110 117 LEU L t < T + 0 0 -71.9 119.5 180.0 146.5 29.2 126.6 107 -1.1 0 0.0 0 0.0 0 0.0 10 41 111 118 ALA A t > T - 0 0 -155.3 144.7 179.8 -89.1 55.4 170.2 109 -0.5 114 -2.1 0 0.0 0 0.0 8 32 112 119 PRO P T T 3 TS+ 0 0 -55.9 134.8 179.9 25.6 113.5 106.6 0 0.0 0 0.0 0 0.0 0 0.0 9 30 113 120 GLY G T T 3 TS+ 0 0 99.2 -22.8 -179.6 121.7 91.5 84.5 79 -3.0 0 0.0 0 0.0 0 0.0 7 25 114 121 ALA A e < T - 0 0 -73.9 151.1 177.9 -129.2 59.1 113.1 111 -2.1 79 -3.0 0 0.0 0 0.0 10 29 115 122 GLU E E E CE - 78 0 -99.5 147.6 -179.6 -167.5 26.4 141.9 0 0.0 131 -5.5 0 0.0 0 0.0 11 39 116 123 VAL V E E CEH - 77 130 -135.1 155.9 177.4 -118.3 25.5 160.4 77 -2.8 77 -2.1 0 0.0 118 -0.5 14 47 117 124 GLU E E E CEH - 76 129 -90.6 127.5 -179.9 -166.4 38.0 145.0 129 -2.6 128 -2.5 0 0.0 129 -0.9 14 41 118 125 VAL V E E CEH - 75 127 -121.1 142.8 178.1 -156.3 11.5 159.7 75 -3.2 75 -2.5 116 -0.5 0 0.0 13 51 119 126 TRP W E E CEH - 74 126 -116.6 133.2 177.7 -160.6 6.2 162.9 126 -2.5 126 -2.4 0 0.0 0 0.0 12 45 120 127 GLN Q E E CEH + 73 125 -117.0 127.6 178.5 177.1 11.1 164.3 73 -2.6 73 -2.3 0 0.0 0 0.0 11 39 121 128 ILE I E E C H> T - 0 124 -128.3 112.0 -177.6 -50.3 67.6 166.4 124 -2.4 124 -2.1 0 0.0 0 0.0 10 39 122 129 LEU L T T 3 TS- 0 0 58.4 -125.2 -178.9 -18.3 123.5 113.7 0 0.0 0 0.0 0 0.0 0 0.0 5 32 123 130 ASP D T T 3 TS+ 0 0 -97.5 14.8 179.8 85.0 121.6 76.4 0 0.0 0 0.0 0 0.0 0 0.0 5 26 124 131 ARG R E E CH < T - 121 0 -119.2 152.1 179.9 -155.0 57.7 151.0 121 -2.1 121 -2.4 0 0.0 0 0.0 6 39 125 132 TYR Y E E CH - 120 0 -123.6 150.2 177.7 -164.6 2.9 156.5 0 0.0 0 0.0 0 0.0 0 0.0 10 46 126 133 LYS K E E CH - 119 0 -136.1 128.2 178.7 -137.1 18.2 173.4 119 -2.4 119 -2.5 0 0.0 128 -0.7 12 54 127 134 ILE I E E CHa - 118 102 -84.3 117.4 -177.6 -179.1 23.3 139.5 101 -2.4 103 -2.8 0 0.0 0 0.0 13 55 128 135 ILE I E E C* - 0 0 -85.6 -47.5 -179.6 -26.0 54.4 26.4 117 -2.5 0 0.0 126 -0.7 0 0.0 11 44 129 136 ARG R E E CH - 117 0 -166.3 159.5 179.2 -90.3 64.2 171.2 117 -0.9 117 -2.6 0 0.0 0 0.0 11 38 130 137 VAL V E E CH S+ 116 0 -80.4 137.5 -179.3 24.7 99.3 127.8 0 0.0 132 -0.6 0 0.0 0 0.0 11 37 131 138 LYS K e 0 0 115.3 -92.6 179.5 999.9 999.9 153.8 115 -5.5 0 0.0 0 0.0 0 0.0 7 31 132 139 GLY G 0 0 57.9 999.9 999.9 999.9 999.9 85.0 130 -0.6 0 0.0 0 0.0 0 0.0 8 30 1bkb-.pdb 1BKB TRANSLATION MOL_ID: 1; MOL_ID: 1; author author Kabs/Sand EEEEGGG TT EEEETTEEEEEEEEEEE STTS EEEEEEEETTT EEEEEEETTSEEEE EEEEEE EE SS EEE EEE Kabs/Sand chirality -----+++--++-+----+----++---+-++-++-------+---++-+-+---+--++---------+-+--+--+-++-- -+---- chirality bends SSS SS SSS SSSS SSS SSS SS bends turns TTTTTTTTT TTTT TTTT TTTTT TTTT turns 5-turns 5-turns 3-turns >>3<<>33< >33< >33< >33< 3-turns bridge-2 CCC*CCCCC DDDDDDD GGG bridge-2 bridge-1 AAAA BBBB BBBB CCCCCCCC DDDDDDD AAAA EEEEEE FF FF GGG bridge-1 sheets AAAA BBBB BBBBBBBBBBB BBBBBBBB BBBBBBB AAAA CCCCCC DD DDD DDD sheets 4-turns >444< >444< 4-turns summary EEEEeGGgtTTeEEEETTEEEEEEEEEEE tTTt eEEEEEEEEeTTteEEEEEEEeTeEEEE EEEEEEe EEeSSeEEE EEE summary sequence KWVSTKYVEAGELKEGSYVVIDGEPCRVVEIEKSKTGKHGSAKARIVAVGVFDGGKRTLSLPVDAQVEVPIIEKFTAQILSVSGDVIQLDRDYKTIEVPK sequence 10 20 30 40 50 60 70 80 90 100 author author Kabs/Sand B HHHHTT TT EEEEEEETTEEEEEEE Kabs/Sand chirality +--+++++++-++------+--+------+ chirality bends S SSSSSS SS SS S bends turns TTTTTTTTTTTT TTTT turns 5-turns 5-turns 3-turns >33X>3<<>33< >33< 3-turns bridge-2 HHHHHH a bridge-2 bridge-1 a EEEEEE HHHH*HH bridge-1 sheets CCCCCCC CCCCCCC sheets 4-turns >>44<< 4-turns summary BhHHHHhTttTTeEEEEEEETTEEEEEEEe summary sequence YVEEEAKGRLAPGAEVEVWQILDRYKIIRVKG sequence 110 120 130 Messages chain break between 3( 6 ) and 4( 8 ) chain break between 89( 93 ) and 90( 95 ) chain break between 90( 95 ) and 91( 97 ) chain break between 99( 105 ) and 100( 107 )