HEADER VIRUS 26-FEB-09 3IXX TITLE The pseudo-atomic structure of West Nile immature virus in complex TITLE 2 with Fab fragments of the anti-fusion loop antibody E53 COMPND MOL_ID: 3; COMPND 2 MOLECULE: E53 Fab Fragment (chain H); COMPND 3 CHAIN: G, I; COMPND 4 FRAGMENT: E53 Fab ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 3IXX I 1 221 PDB 3IXX 3IXX 1 221 SEQRES 1 I 100 ALA LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 I 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 I 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 I 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 I 100 PHE PRO ALA VAL LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 I 100 SER SER VAL THR VAL THR SER SER THR TRP PRO SER GLN SEQRES 7 I 100 SER ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 I 100 LYS VAL ASP LYS LYS ILE GLU PRO ARG ATOM 1 CA ALA I 122 -10.717 -98.057 242.409 1.00132.31 ATOM 2 CA LYS I 123 -14.135 -97.166 241.027 1.00137.12 ATOM 3 CA THR I 124 -15.938 -94.369 242.819 1.00147.16 ATOM 4 CA THR I 125 -19.022 -95.476 244.744 1.00156.30 ATOM 5 CA PRO I 126 -22.137 -94.068 246.492 1.00163.26 ATOM 6 CA PRO I 127 -21.653 -93.430 250.250 1.00167.38 ATOM 7 CA SER I 128 -23.767 -95.485 252.668 1.00170.55 ATOM 8 CA VAL I 129 -26.575 -93.795 254.611 1.00175.91 ATOM 9 CA TYR I 130 -27.252 -95.147 258.101 1.00182.11 ATOM 10 CA PRO I 131 -29.079 -92.690 260.459 1.00188.07 ATOM 11 CA LEU I 132 -28.643 -92.931 264.280 1.00192.78 ATOM 12 CA ALA I 133 -30.869 -92.288 267.362 1.00193.70 ATOM 13 CA PRO I 134 -31.101 -93.117 271.159 1.00192.19 ATOM 14 CA VAL I 135 -31.244 -96.861 272.014 1.00194.00 ATOM 15 CA CYS I 136 -34.135 -97.441 274.468 1.00193.98 ATOM 16 CA GLY I 137 -32.435 -94.917 276.754 1.00193.16 ATOM 17 CA GLY I 138 -34.631 -91.983 275.816 1.00192.75 ATOM 18 CA THR I 139 -36.804 -89.738 278.031 1.00192.07 ATOM 19 CA THR I 140 -35.971 -88.805 281.647 1.00186.34 ATOM 20 CA GLY I 141 -33.435 -86.624 279.824 1.00181.42 ATOM 21 CA SER I 142 -33.650 -83.565 277.567 1.00180.24 ATOM 22 CA SER I 143 -29.934 -83.207 276.928 1.00179.79 ATOM 23 CA VAL I 144 -28.896 -85.687 274.214 1.00179.69 ATOM 24 CA THR I 145 -27.451 -85.562 270.700 1.00178.36 ATOM 25 CA LEU I 146 -28.253 -87.530 267.529 1.00176.41 ATOM 26 CA GLY I 147 -26.570 -88.025 264.156 1.00173.66 ATOM 27 CA CYS I 148 -26.914 -89.184 260.548 1.00172.71 ATOM 28 CA LEU I 149 -23.998 -91.494 259.651 1.00166.86 ATOM 29 CA VAL I 150 -22.489 -92.104 256.154 1.00162.87 ATOM 30 CA LYS I 151 -19.859 -94.855 255.493 1.00160.64 ATOM 31 CA GLY I 152 -19.139 -96.243 252.029 1.00159.50 ATOM 32 CA TYR I 153 -17.587 -94.008 249.357 1.00157.56 ATOM 33 CA PHE I 154 -14.492 -92.832 247.455 1.00147.45 ATOM 34 CA PRO I 155 -13.434 -90.061 247.018 1.00148.86 ATOM 35 CA GLU I 156 -14.648 -86.700 248.377 1.00148.93 ATOM 36 CA PRO I 157 -16.476 -84.347 248.725 1.00150.27 ATOM 37 CA VAL I 158 -19.542 -84.760 250.968 1.00146.32 ATOM 38 CA THR I 159 -20.855 -81.282 251.926 1.00143.66 ATOM 39 CA LEU I 160 -23.324 -81.910 254.747 1.00140.65 ATOM 40 CA THR I 161 -25.347 -79.501 256.918 1.00147.97 ATOM 41 CA TRP I 162 -28.618 -80.409 258.626 1.00156.06 ATOM 42 CA ASN I 163 -31.605 -78.131 257.987 1.00156.12 ATOM 43 CA SER I 164 -30.870 -77.765 254.267 1.00156.92 ATOM 44 CA GLY I 165 -27.602 -76.008 255.136 1.00156.28 ATOM 45 CA SER I 166 -27.864 -72.809 257.155 1.00153.13 ATOM 46 CA LEU I 167 -27.985 -73.853 260.818 1.00151.35 ATOM 47 CA SER I 168 -24.472 -73.432 262.238 1.00151.36 ATOM 48 CA SER I 169 -24.756 -73.986 265.994 1.00150.79 ATOM 49 CA GLY I 170 -22.865 -76.696 267.857 1.00148.98 ATOM 50 CA VAL I 171 -22.698 -79.014 264.870 1.00146.43 ATOM 51 CA HIS I 172 -20.007 -81.678 264.453 1.00146.98 ATOM 52 CA THR I 173 -18.359 -83.375 261.439 1.00144.90 ATOM 53 CA PHE I 174 -15.613 -85.986 262.005 1.00143.31 ATOM 54 CA PRO I 175 -13.124 -86.311 259.085 1.00140.40 ATOM 55 CA ALA I 176 -12.272 -89.813 257.805 1.00139.90 ATOM 56 CA VAL I 177 -8.995 -91.763 257.765 1.00143.51 ATOM 57 CA LEU I 178 -7.746 -94.686 255.604 1.00151.23 ATOM 58 CA GLN I 179 -10.296 -97.338 256.443 1.00154.69 ATOM 59 CA SER I 180 -9.816 -99.702 253.467 1.00153.50 ATOM 60 CA GLY I 181 -10.977 -97.585 250.568 1.00151.93 ATOM 61 CA LEU I 182 -13.986 -95.780 251.982 1.00148.63 ATOM 62 CA TYR I 183 -13.991 -92.458 253.801 1.00152.01 ATOM 63 CA THR I 184 -16.245 -92.446 256.836 1.00152.57 ATOM 64 CA LEU I 185 -17.937 -89.101 257.563 1.00149.47 ATOM 65 CA SER I 186 -20.057 -88.511 260.707 1.00147.45 ATOM 66 CA SER I 187 -21.860 -85.634 262.385 1.00149.64 ATOM 67 CA SER I 188 -24.005 -84.313 265.231 1.00153.66 ATOM 68 CA VAL I 189 -25.462 -81.147 266.789 1.00160.70 ATOM 69 CA THR I 190 -28.225 -80.271 269.275 1.00165.41 ATOM 70 CA VAL I 191 -29.409 -77.728 271.881 1.00171.80 ATOM 71 CA THR I 192 -32.278 -79.280 273.899 1.00176.38 ATOM 72 CA SER I 193 -34.173 -82.574 273.444 1.00179.23 ATOM 73 CA SER I 194 -37.567 -80.846 273.275 1.00180.12 ATOM 74 CA THR I 195 -38.628 -81.861 269.749 1.00180.30 ATOM 75 CA TRP I 196 -37.998 -85.373 268.441 1.00181.79 ATOM 76 CA PRO I 197 -39.315 -87.050 266.372 1.00183.91 ATOM 77 CA SER I 198 -41.202 -83.738 266.174 1.00185.87 ATOM 78 CA GLN I 199 -40.466 -82.163 262.777 1.00185.20 ATOM 79 CA SER I 200 -37.871 -83.885 260.542 1.00183.91 ATOM 80 CA ILE I 201 -34.085 -84.160 260.165 1.00178.97 ATOM 81 CA THR I 202 -32.258 -82.899 257.079 1.00174.22 ATOM 82 CA CYS I 203 -29.188 -85.015 256.284 1.00173.29 ATOM 83 CA ASN I 204 -27.702 -83.056 253.335 1.00169.62 ATOM 84 CA VAL I 205 -25.784 -85.832 251.551 1.00170.05 ATOM 85 CA ALA I 206 -24.115 -84.865 248.250 1.00169.63 ATOM 86 CA HIS I 207 -21.385 -87.036 246.675 1.00171.21 ATOM 87 CA PRO I 208 -20.664 -85.654 243.157 1.00172.17 ATOM 88 CA ALA I 209 -18.197 -88.504 242.495 1.00171.98 ATOM 89 CA SER I 210 -21.079 -91.004 242.142 1.00174.96 ATOM 90 CA SER I 211 -24.189 -88.955 242.994 1.00179.88 ATOM 91 CA THR I 212 -26.320 -89.675 246.084 1.00183.28 ATOM 92 CA LYS I 213 -28.949 -87.236 247.462 1.00184.41 ATOM 93 CA VAL I 214 -31.241 -88.491 250.263 1.00185.67 ATOM 94 CA ASP I 215 -32.044 -86.122 253.146 1.00186.89 ATOM 95 CA LYS I 216 -32.503 -88.940 255.660 1.00188.16 ATOM 96 CA LYS I 217 -34.024 -88.350 259.101 1.00188.18 ATOM 97 CA ILE I 218 -33.766 -90.602 262.137 1.00188.93 ATOM 98 CA GLU I 219 -36.876 -92.650 262.983 1.00185.90 ATOM 99 CA PRO I 220 -38.153 -92.766 266.616 1.00181.19 ATOM 100 CA ARG I 221 -39.614 -96.200 267.402 1.00176.42 TER