Secondary structure calculation program - copyright by David Keith Smith, 1989 1xnb-.pdb 1XNB GLYCOSIDASE XYLANASE (ENDO-1,4-BETA-XYLANASE) (E.C.3.2.1.8) (BACILLUS CIRCULANS) Sequence length - 185 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 ALA A 0 0 999.9 157.1 177.7 999.9 999.9 999.9 0 0.0 0 0.0 0 0.0 0 0.0 3 30 2 2 SER S - 0 0 -83.1 137.7 178.2 -133.4 999.9 131.4 0 0.0 0 0.0 0 0.0 0 0.0 6 30 3 3 THR T - 0 0 -86.5 147.8 -179.5 -175.9 20.6 129.9 0 0.0 0 0.0 0 0.0 0 0.0 11 37 4 4 ASP D + 0 0 -129.4 11.7 -179.1 73.0 57.5 78.3 41 -2.2 0 0.0 0 0.0 0 0.0 8 32 5 5 TYR Y E E AA - 41 0 -135.7 135.9 178.6 -164.9 53.4 174.7 41 -1.7 41 -2.0 0 0.0 0 0.0 10 41 6 6 TRP W E E AA - 40 0 -120.2 117.6 -179.3 -163.0 10.1 171.2 0 0.0 8 -0.5 0 0.0 0 0.0 9 45 7 7 GLN Q E E AA + 39 0 -103.5 122.0 -179.9 158.3 20.6 156.3 39 -3.1 39 -2.4 0 0.0 0 0.0 9 51 8 8 ASN N E E AA + 38 0 -147.3 87.0 -178.8 154.9 12.7 132.6 6 -0.5 0 0.0 0 0.0 0 0.0 9 49 9 9 TRP W E E AA + 37 0 -120.7 138.6 177.1 168.6 9.6 160.7 37 -2.8 37 -2.5 0 0.0 0 0.0 7 45 10 10 THR T E E AA - 36 0 -142.1 148.5 177.2 -135.6 38.2 169.1 0 0.0 0 0.0 0 0.0 0 0.0 10 40 11 11 ASP D e - 0 0 -83.2 4.7 177.7 -101.6 61.9 69.1 35 -2.1 0 0.0 0 0.0 0 0.0 7 32 12 12 GLY G S S S+ 0 0 98.3 -11.4 -179.6 133.9 78.3 74.8 0 0.0 0 0.0 0 0.0 0 0.0 6 25 13 13 GLY G - 0 0 -79.6 137.7 177.7 -29.9 64.9 122.1 0 0.0 34 -1.0 0 0.0 0 0.0 9 25 14 14 GLY G S S S- 0 0 61.7 -156.3 -177.7 -34.5 99.1 95.0 0 0.0 0 0.0 0 0.0 0 0.0 9 27 15 15 ILE I E E BB + 31 0 -109.7 128.2 176.3 173.1 48.3 152.7 31 -2.5 31 -2.5 0 0.0 0 0.0 9 32 16 16 VAL V E E BB - 30 0 -132.4 101.7 179.5 -173.3 7.7 159.1 0 0.0 18 -0.9 0 0.0 0 0.0 11 42 17 17 ASN N E E BB - 29 0 -99.4 96.2 -178.8 -179.7 13.2 147.6 29 -3.3 29 -1.7 0 0.0 0 0.0 7 38 18 18 ALA A E E BB - 28 0 -101.9 128.5 180.0 -159.6 11.0 149.3 16 -0.9 20 -0.5 0 0.0 0 0.0 10 44 19 19 VAL V E E BB - 27 0 -112.7 125.4 178.9 -148.9 11.3 158.9 27 -2.9 27 -1.7 0 0.0 21 -1.1 7 35 20 20 ASN N E E BB - 26 0 -90.2 96.3 -178.0 -171.5 33.3 143.6 18 -0.5 0 0.0 0 0.0 0 0.0 8 35 21 21 GLY G e - 0 0 -82.1 -172.3 179.9 -61.6 30.2 93.1 25 -1.4 0 0.0 19 -1.1 0 0.0 8 31 22 22 SER S S t > TS- 0 0 -71.7 149.2 179.4 -21.0 100.0 113.6 0 0.0 25 -2.3 0 0.0 0 0.0 6 23 23 23 GLY G T T 3 TS- 0 0 55.6 -129.8 -179.8 -19.5 132.5 105.3 0 0.0 0 0.0 0 0.0 0 0.0 6 28 24 24 GLY G T e 3 TS+ 0 0 -95.5 17.2 -179.3 115.1 108.2 77.4 0 0.0 184 -2.0 0 0.0 0 0.0 12 42 25 25 ASN N E E B C< T + 0 183 -92.0 142.6 175.7 158.5 32.3 129.0 22 -2.3 21 -1.4 0 0.0 0 0.0 12 44 26 26 TYR Y E E BBC - 20 182 -151.6 160.1 177.1 -159.8 17.5 166.6 182 -2.2 182 -2.4 0 0.0 0 0.0 14 46 27 27 SER S E E BBC - 19 181 -141.7 156.2 179.1 -163.3 1.2 165.7 19 -1.7 19 -2.9 0 0.0 0 0.0 12 52 28 28 VAL V E E BBC - 18 180 -142.6 137.3 174.5 -172.3 7.9 173.9 180 -2.4 180 -2.0 0 0.0 0 0.0 13 52 29 29 ASN N E E BBC - 17 179 -124.1 124.9 -179.1 -178.9 22.8 177.6 17 -1.7 17 -3.3 0 0.0 0 0.0 12 50 30 30 TRP W E E BBC - 16 178 -132.2 151.1 -178.0 -173.7 13.3 164.5 178 -2.7 178 -2.4 0 0.0 0 0.0 13 48 31 31 SER S E E BB - 15 0 -148.1 127.3 177.1 -20.4 65.5 167.2 15 -2.5 15 -2.5 0 0.0 0 0.0 10 36 32 32 ASN N S S S+ 0 0 43.7 58.3 -176.1 172.4 88.4 28.8 0 0.0 0 0.0 0 0.0 0 0.0 10 29 33 33 THR T - 0 0 -90.5 177.6 171.7 -140.3 40.6 99.3 176 -1.9 0 0.0 0 0.0 0 0.0 16 36 34 34 GLY G S e S- 0 0 -99.3 -124.6 178.2 -42.4 72.3 76.7 13 -1.0 175 -1.9 0 0.0 0 0.0 13 33 35 35 ASN N E E A D + 0 174 -110.2 139.1 178.0 163.4 69.2 147.0 0 0.0 11 -2.1 0 0.0 0 0.0 11 42 36 36 PHE F E E AAD - 10 173 -150.4 157.3 178.2 -159.2 22.2 170.1 173 -1.6 173 -1.9 0 0.0 0 0.0 13 54 37 37 VAL V E E AAD + 9 172 -142.1 122.7 179.9 173.5 15.3 167.9 9 -2.5 9 -2.8 0 0.0 0 0.0 12 65 38 38 VAL V E E AAD + 8 171 -130.7 139.1 178.8 119.6 18.9 172.3 171 -2.4 171 -2.8 0 0.0 0 0.0 13 64 39 39 GLY G E E AAD - 7 170 178.4 171.0 178.4 -112.4 45.9 170.1 7 -2.4 7 -3.1 0 0.0 0 0.0 12 66 40 40 LYS K E E AAD + 6 169 -122.2 148.9 -179.8 98.1 52.5 158.6 169 -1.2 169 -2.5 0 0.0 0 0.0 16 53 41 41 GLY G E E AAD - 5 168 179.2 -133.0 -176.3 -26.3 63.9 144.0 5 -2.0 4 -2.2 0 0.0 5 -1.7 15 55 42 42 TRP W E E A D - 0 167 -123.7 142.8 -179.4 -137.4 32.4 153.9 167 -2.9 167 -2.3 0 0.0 0 0.0 11 42 43 43 THR T S S S+ 0 0 -62.4 -37.2 178.8 38.3 100.6 33.2 0 0.0 45 -0.5 0 0.0 0 0.0 9 37 44 44 THR T S S S- 0 0 -122.3 114.3 179.6 -142.7 85.1 164.7 0 0.0 0 0.0 0 0.0 0 0.0 8 38 45 45 GLY G - 0 0 -68.7 162.3 179.5 -158.2 12.4 106.0 165 -2.8 0 0.0 43 -0.5 0 0.0 11 50 46 46 SER S t > T - 0 0 -143.8 139.5 179.1 -140.9 24.0 176.0 0 0.0 49 -0.8 0 0.0 0 0.0 7 43 47 47 PRO P T T 3 TS+ 0 0 -75.8 -4.6 -179.2 54.5 106.3 56.7 0 0.0 0 0.0 0 0.0 0 0.0 7 44 48 48 PHE F T T 3 TS+ 0 0 -106.4 -2.3 -178.1 118.0 80.8 64.0 0 0.0 0 0.0 0 0.0 0 0.0 7 31 49 49 ARG R e < T - 0 0 -71.7 141.9 175.9 -150.9 51.7 111.1 46 -0.8 146 -1.1 0 0.0 51 -0.6 9 39 50 50 THR T E E BE - 145 0 -111.5 115.9 -178.0 -152.5 18.4 168.7 0 0.0 0 0.0 0 0.0 0 0.0 9 38 51 51 ILE I E E BE - 144 0 -95.3 133.2 178.7 -166.1 9.3 143.0 144 -2.5 144 -2.6 49 -0.6 0 0.0 11 54 52 52 ASN N E E BEF + 143 185 -116.1 142.7 177.6 159.4 16.4 157.4 185 -2.7 185 -2.5 0 0.0 0 0.0 10 47 53 53 TYR Y E E BEF - 142 184 -157.2 161.6 177.3 -158.0 28.1 170.4 142 -2.3 142 -3.4 0 0.0 0 0.0 12 52 54 54 ASN N E E B F - 0 183 -143.9 113.0 178.8 -154.4 12.8 156.1 183 -1.8 183 -2.1 0 0.0 56 -1.0 12 42 55 55 ALA A E E B F - 0 182 -92.2 98.1 179.6 -177.7 11.6 144.1 0 0.0 139 -0.8 0 0.0 0 0.0 12 52 56 56 GLY G E E B * S+ 0 0 -64.5 -30.5 177.3 25.5 77.6 39.8 54 -1.0 0 0.0 181 -0.9 0 0.0 11 35 57 57 VAL V E E B F + 0 181 -136.8 127.2 176.0 166.9 60.4 172.3 181 -1.9 181 -2.3 0 0.0 0 0.0 10 43 58 58 TRP W E E B F + 0 180 -139.3 96.1 -175.6 148.0 19.7 144.5 0 0.0 0 0.0 0 0.0 0 0.0 10 50 59 59 ALA A E E B F + 0 179 -133.9 64.2 179.4 171.5 14.0 122.5 179 -2.8 179 -1.2 0 0.0 0 0.0 8 40 60 60 PRO P E E B F - 0 178 -76.8 138.4 177.0 -161.0 19.9 127.1 0 0.0 0 0.0 0 0.0 0 0.0 14 47 61 61 ASN N E E B F S- 0 177 -111.6 59.2 -179.3 -15.1 76.2 128.2 177 -3.1 177 -0.7 0 0.0 0 0.0 10 33 62 62 GLY G S S S+ 0 0 145.3 -150.8 -178.2 3.8 120.5 165.7 0 0.0 87 -1.3 0 0.0 64 -0.6 11 33 63 63 ASN N S e S+ 0 0 -76.9 110.0 178.8 131.6 75.9 123.9 0 0.0 174 -2.0 0 0.0 0 0.0 14 40 64 64 GLY G E E AG - 173 0 -156.5 147.3 179.9 -146.7 38.1 166.4 62 -0.6 86 -1.4 0 0.0 0 0.0 15 56 65 65 TYR Y E E AGH - 172 85 -121.8 141.9 174.9 -155.2 9.1 161.3 172 -2.7 172 -2.1 0 0.0 67 -0.7 13 63 66 66 LEU L E E AGH + 171 84 -109.8 109.1 -170.1 145.7 50.8 163.2 84 -2.6 83 -2.1 0 0.0 84 -1.6 13 76 67 67 THR T E E AGH - 170 82 -154.7 148.8 172.5 -110.1 61.1 169.8 170 -2.4 170 -3.1 65 -0.7 0 0.0 13 74 68 68 LEU L E E AGH - 169 81 -72.6 141.6 -174.7 -172.7 50.3 130.8 81 -2.5 81 -1.6 0 0.0 0 0.0 12 73 69 69 TYR Y E E AGH + 168 80 -145.5 137.6 179.0 132.0 15.7 177.5 168 -2.9 168 -3.0 0 0.0 0 0.0 12 67 70 70 GLY G E E AGH - 167 79 -169.5 178.8 179.6 -125.9 32.0 169.8 79 -1.7 79 -2.6 0 0.0 0 0.0 12 65 71 71 TRP W E E A*H - 0 78 -137.9 157.2 170.1 -165.7 6.5 163.2 166 -1.5 165 -2.3 0 0.0 0 0.0 13 53 72 72 THR T E E AGH >T - 164 77 -132.1 159.3 176.1 -146.1 14.8 156.4 77 -1.8 77 -2.1 0 0.0 0 0.0 14 38 73 73 ARG R E E AG 5T + 163 0 -120.0 158.9 179.9 67.2 67.7 148.1 163 -2.7 163 -2.1 0 0.0 0 0.0 11 34 74 74 SER S T T 5TS+ 0 0 55.8 64.5 -0.1 21.4 127.4 15.0 0 0.0 162 -2.0 0 0.0 0 0.0 7 25 75 75 PRO P T T 5TS- 0 0 -89.7 169.2 179.7 -125.4 107.9 55.1 0 0.0 77 -0.6 0 0.0 0 0.0 8 29 76 76 LEU L T e 5T + 0 0 -73.6 116.2 -179.6 165.9 41.5 128.5 0 0.0 126 -0.9 0 0.0 0 0.0 10 42 77 77 ILE I E E AHiT + 103 0 -156.3 142.3 176.8 0.3 55.8 166.2 103 -2.5 103 -2.2 98 -0.5 0 0.0 11 40 101 101 ASP D T T 3 TS- 0 0 48.8 42.3 177.9 -50.1 128.9 33.8 0 0.0 0 0.0 0 0.0 0 0.0 7 39 102 102 GLY G T T 3 TS+ 0 0 81.3 0.2 -179.9 90.6 120.7 63.3 0 0.0 0 0.0 0 0.0 0 0.0 5 32 103 103 GLY G E E AJ < T - 100 0 -128.0 164.3 177.2 -129.0 68.1 145.4 100 -2.2 100 -2.5 0 0.0 0 0.0 9 32 104 104 THR T E E AJ - 99 0 -111.6 130.6 -177.6 -164.5 27.1 165.5 0 0.0 133 -2.7 0 0.0 0 0.0 10 35 105 105 TYR Y E E AJK - 98 132 -119.1 139.1 174.7 -135.9 15.3 157.1 98 -2.9 98 -2.0 0 0.0 0 0.0 12 50 106 106 ASP D E E AJK - 97 131 -86.6 144.5 179.2 -136.5 22.9 136.0 131 -2.9 131 -2.7 0 0.0 108 -0.5 14 47 107 107 ILE I E E AJK + 96 130 -106.4 127.7 -179.5 170.3 30.4 154.6 96 -3.0 95 -3.0 0 0.0 96 -0.9 14 49 108 108 TYR Y E E AJK - 94 129 -134.3 157.0 172.4 -153.2 22.4 160.5 129 -2.1 129 -2.6 106 -0.5 0 0.0 14 43 109 109 THR T E E AJK + 93 128 -126.9 146.4 176.4 169.2 18.6 162.4 93 -1.3 93 -2.8 0 0.0 0 0.0 12 43 110 110 THR T E E A K - 0 127 -143.3 170.2 178.8 -134.3 23.1 156.6 127 -1.8 127 -2.7 0 0.0 0 0.0 9 36 111 111 THR T E E A K - 0 126 -133.3 138.2 177.3 -148.5 8.5 170.9 0 0.0 0 0.0 0 0.0 0 0.0 8 31 112 112 ARG R E E A K - 0 125 -106.4 135.1 -178.7 -151.1 13.5 156.5 125 -3.0 125 -1.8 0 0.0 0 0.0 10 31 113 113 TYR Y E E A * S- 0 0 -114.1 125.2 179.2 -15.8 70.5 160.7 0 0.0 0 0.0 0 0.0 0 0.0 7 19 114 114 ASN N E E A * S+ 0 0 51.1 52.6 -177.9 146.1 97.5 23.5 0 0.0 0 0.0 0 0.0 0 0.0 7 20 115 115 ALA A E E A K - 0 123 -118.5 155.5 179.7 -89.9 57.2 145.4 123 -2.7 123 -2.3 0 0.0 0 0.0 9 26 116 116 PRO P E E A K - 0 122 -64.3 137.6 179.0 -171.4 48.6 111.5 0 0.0 0 0.0 0 0.0 0 0.0 9 29 117 117 SER S e > T - 0 0 -120.8 -177.2 -179.4 -86.0 42.2 133.1 121 -0.7 120 -2.0 0 0.0 0 0.0 8 37 118 118 ILE I T T 3 TS+ 0 0 -58.8 -33.1 -178.8 57.3 124.5 34.8 0 0.0 0 0.0 0 0.0 0 0.0 5 44 119 119 ASP D T T 3 TS- 0 0 -79.6 -0.6 -177.1 -115.9 112.9 65.2 0 0.0 0 0.0 0 0.0 0 0.0 5 26 120 120 GLY G S t < TS+ 0 0 87.0 177.6 -178.8 62.8 80.3 104.5 117 -2.0 0 0.0 0 0.0 0 0.0 6 23 121 121 ASP D S e S- 0 0 60.3 -157.9 -177.9 -67.5 94.1 103.0 0 0.0 117 -0.7 0 0.0 0 0.0 7 17 122 122 ARG R E E A K + 0 116 -134.2 146.7 178.7 146.3 56.4 169.2 0 0.0 0 0.0 0 0.0 0 0.0 8 19 123 123 THR T E E A K - 0 115 -160.6 -179.1 179.5 -91.8 45.7 155.7 115 -2.3 115 -2.7 0 0.0 0 0.0 10 22 124 124 THR T E E A * + 0 0 -107.9 129.2 -178.9 157.9 50.5 158.7 0 0.0 0 0.0 0 0.0 0 0.0 9 26 125 125 PHE F E E A K - 0 112 -149.9 160.8 179.6 -109.2 37.2 168.6 112 -1.8 112 -3.0 0 0.0 0 0.0 10 35 126 126 THR T E E AiK - 77 111 -92.2 148.8 177.7 -152.8 22.8 128.9 76 -0.9 78 -1.8 0 0.0 0 0.0 11 41 127 127 GLN Q E E AiK - 78 110 -120.8 135.7 177.1 -154.8 3.2 166.4 110 -2.7 110 -1.8 0 0.0 0 0.0 12 53 128 128 TYR Y E E AiK - 79 109 -109.6 136.6 -179.7 -170.0 18.1 160.9 78 -1.7 80 -2.2 0 0.0 0 0.0 13 57 129 129 TRP W E E AiK - 80 108 -133.6 141.6 168.1 -174.8 27.8 166.9 108 -2.6 108 -2.1 0 0.0 0 0.0 12 63 130 130 SER S E E AiK - 81 107 -122.4 117.5 -179.0 -174.6 24.8 172.4 80 -1.4 82 -3.0 0 0.0 0 0.0 13 64 131 131 VAL V E E AiK - 82 106 -120.6 120.3 -178.5 -120.3 25.9 168.4 106 -2.7 106 -2.9 0 0.0 0 0.0 15 54 132 132 ARG R E E A K - 0 105 -57.0 142.9 -178.7 -133.5 16.3 104.6 82 -2.6 0 0.0 0 0.0 0 0.0 14 49 133 133 GLN Q S e S+ 0 0 -68.8 -32.1 176.9 20.3 92.4 33.5 104 -2.7 0 0.0 0 0.0 0 0.0 8 37 134 134 SER S S S S- 0 0 -131.2 153.0 -180.0 -87.0 103.3 159.2 0 0.0 0 0.0 0 0.0 0 0.0 5 33 135 135 LYS K - 0 0 -63.2 136.1 177.3 -123.4 40.1 111.8 0 0.0 0 0.0 0 0.0 0 0.0 8 39 136 136 ARG R - 0 0 -78.2 132.0 179.5 -109.7 33.1 130.0 83 -2.8 0 0.0 0 0.0 0 0.0 8 42 137 137 PRO P - 0 0 -59.7 146.7 179.6 -141.7 37.2 109.3 0 0.0 0 0.0 0 0.0 0 0.0 6 34 138 138 THR T S S S+ 0 0 -108.5 168.7 -179.8 59.9 71.4 129.2 0 0.0 0 0.0 0 0.0 0 0.0 9 39 139 139 GLY G S S S+ 0 0 98.5 -7.9 179.6 95.1 88.7 72.9 55 -0.8 0 0.0 0 0.0 0 0.0 8 27 140 140 SER S S S S- 0 0 -112.1 166.3 177.5 -90.5 89.2 130.6 0 0.0 142 -0.8 0 0.0 0 0.0 8 28 141 141 ASN N - 0 0 -77.7 112.4 -177.4 -171.9 53.9 135.2 0 0.0 0 0.0 0 0.0 0 0.0 7 30 142 142 ALA A E E BE - 53 0 -111.4 153.1 -180.0 -153.2 12.6 140.9 53 -3.4 53 -2.3 140 -0.8 0 0.0 7 39 143 143 THR T E E BE - 52 0 -127.4 138.8 174.5 -165.1 7.3 162.0 0 0.0 0 0.0 0 0.0 0 0.0 9 45 144 144 ILE I E E BE - 51 0 -122.3 109.1 179.2 -158.4 9.7 165.7 51 -2.6 51 -2.5 0 0.0 146 -1.4 9 59 145 145 THR T E E >BE > T - 50 0 -87.8 89.5 -174.6 -171.0 11.9 138.7 0 0.0 148 -1.4 0 0.0 149 -0.7 12 44 146 146 PHE F H H > > TS+ 0 0 -57.7 -31.0 179.6 68.6 74.7 36.2 144 -1.4 150 -2.4 49 -1.1 149 -0.7 11 56 147 147 THR T H H > 3 TS+ 0 0 -59.0 -34.3 179.2 57.8 94.5 31.9 0 0.0 151 -2.6 0 0.0 0 0.0 10 36 148 148 ASN N H H > < TS+ 0 0 -63.3 -36.9 179.8 44.6 109.8 29.0 145 -1.4 152 -1.9 0 0.0 0 0.0 9 44 149 149 HIS H H H X < TS+ 0 0 -73.3 -45.5 178.7 51.3 111.4 20.7 145 -0.7 153 -2.9 146 -0.7 0 0.0 12 56 150 150 VAL V H H X TS+ 0 0 -57.5 -43.9 -179.6 46.5 113.4 22.2 146 -2.4 154 -2.5 0 0.0 0 0.0 10 55 151 151 ASN N H H X TS+ 0 0 -67.7 -42.0 177.8 47.7 112.7 25.0 147 -2.6 155 -1.8 0 0.0 0 0.0 8 36 152 152 ALA A H H X TS+ 0 0 -64.9 -40.1 179.5 50.4 112.5 25.1 148 -1.9 156 -0.6 0 0.0 0 0.0 10 41 153 153 TRP W H H < >>TS+ 0 0 -63.0 -43.3 -179.9 53.7 107.4 21.0 149 -2.9 158 -2.6 0 0.0 156 -1.5 11 44 154 154 LYS K H H < >5TS+ 0 0 -58.8 -38.2 -179.5 59.8 101.6 27.8 150 -2.5 157 -1.9 0 0.0 0 0.0 9 31 155 155 SER S H H < 35TS+ 0 0 -65.6 -19.1 178.6 47.6 106.5 46.9 151 -1.8 0 0.0 0 0.0 0 0.0 7 26 156 156 HIS H T h < <5TS- 0 0 -108.0 22.2 179.6 -98.7 125.9 86.0 153 -1.5 0 0.0 152 -0.6 0 0.0 8 28 157 157 GLY G T T <5TS+ 0 0 71.2 19.1 179.7 136.0 81.2 47.9 154 -1.9 159 -1.0 0 0.0 0 0.0 6 27 158 158 MET M t 5555< 5-turns 3-turns >33< >33< > 3-turns bridge-2 CCCCCC DDDDDDDD FFFF*FFFFF HHHHHHHH iiiiii bridge-2 bridge-1 AAAAAA BBBBBB BBBBBB AAAAAA EEEE GGGGGGG*GG HHHHHH*HH JJ*JJJJJ bridge-1 sheets AAAAAA BBBBBB BBBBBBB AAAAAAAA BBBBBBBBBBBB AAAAAAAAAA AAAAAAAAA AAAAAAAA sheets 4-turns 4-turns summary EEEEEEeS SEEEEEEetTeEEEEEEES eEEEEEEEESS tTTeEEEEEEEEEEEESeEEEEEEEEEETTeEEEEEEEEEeS EEEEEEEE summary sequence ASTDYWQNWTDGGGIVNAVNGSGGNYSVNWSNTGNFVVGKGWTTGSPFRTINYNAGVWAPNGNGYLTLYGWTRSPLIEYYVVDSWGTYRPTGTYKGTVKS sequence 10 20 30 40 50 60 70 80 90 100 author author Kabs/Sand TTEEEEEEEEEEEEEE TTSSEEEEEEEEEEESS SSS EEEEHHHHHHHHHHTT SEEEEEEEEEEEES EEEEEEEEE Kabs/Sand chirality -+----+-+----+---+-+-+-+--------+----++------++++++++++-++---+----+-------+-+-+-+-- chirality bends SS SS SSSS SS SSS SSSSSSSSSSSS SS SS bends turns TTT TTTT TTTTTTTTTTTTTT turns 5-turns >5555< 5-turns 3-turns 33< >33< >>3<< >>3<< 3-turns bridge-2 KKKKKKKK**KK KK*KKKKKKKK GG**GGGGGGG FFFFFFFFF bridge-2 bridge-1 JJJJJJJ iiiiii EEEE DDDDDDDD CCCCCC bridge-1 sheets AAAAAAAAAAAAAA AAAAAAAAAAA BBBB AAAAAAAAAAAA BBBBBBBBB sheets 4-turns >>>>XXXX<<<< 4-turns summary TTEEEEEEEEEEEEEEeTTteEEEEEEEEEEEeS SSS EEEEHHHHHHHHHHhTt SEEEEEEEEEEEEe EEEEEEEEE summary sequence DGGTYDIYTTTRYNAPSIDGDRTTFTQYWSVRQSKRPTGSNATITFTNHVNAWKSHGMNLGSNWAYQVMATEGYQSSGSSNVTVW sequence 110 120 130 140 150 160 170 180