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: 2; COMPND 2 MOLECULE: Peptide pr; COMPND 3 CHAIN: D, E, F; COMPND 4 FRAGMENT: West Nile Virus pr ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 3IXX E 1 80 UNP Q9WHD2 Q9WHD2_WNV 101 180 SEQRES 1 E 80 LEU SER ASN PHE GLN GLY LYS VAL MET MET THR VAL ASN SEQRES 2 E 80 ALA THR ASP VAL THR ASP VAL ILE THR ILE PRO THR ALA SEQRES 3 E 80 ALA GLY LYS ASN LEU CYS ILE VAL ARG ALA MET ASP VAL SEQRES 4 E 80 GLY TYR MET CYS ASP ASP THR ILE THR TYR GLU CYS PRO SEQRES 5 E 80 VAL LEU SER ALA GLY ASN ASP PRO GLU ASP ILE ASP CYS SEQRES 6 E 80 TRP CYS THR LYS SER ALA VAL TYR VAL ARG TYR GLY ARG SEQRES 7 E 80 CYS THR ATOM 1 CA LEU E 1 19.975 -47.972 268.675 1.00 50.00 ATOM 2 CA SER E 2 17.440 -47.105 265.942 1.00 50.00 ATOM 3 CA ASN E 3 15.541 -48.903 263.149 1.00 50.00 ATOM 4 CA PHE E 4 15.875 -49.235 259.368 1.00 50.00 ATOM 5 CA GLN E 5 12.839 -50.761 257.636 1.00 50.00 ATOM 6 CA GLY E 6 11.882 -52.755 260.772 1.00 50.00 ATOM 7 CA LYS E 7 15.408 -54.037 261.534 1.00 50.00 ATOM 8 CA VAL E 8 17.800 -52.949 264.267 1.00 50.00 ATOM 9 CA MET E 9 20.246 -50.181 263.259 1.00 50.00 ATOM 10 CA MET E 10 23.307 -49.161 265.283 1.00 50.00 ATOM 11 CA THR E 11 24.904 -45.710 265.056 1.00 50.00 ATOM 12 CA VAL E 12 28.469 -46.273 266.344 1.00 50.00 ATOM 13 CA ASN E 13 30.820 -43.515 267.505 1.00 50.00 ATOM 14 CA ALA E 14 34.639 -43.500 267.690 1.00 50.00 ATOM 15 CA THR E 15 34.551 -44.237 271.465 1.00 50.00 ATOM 16 CA ASP E 16 33.067 -47.723 270.793 1.00 50.00 ATOM 17 CA VAL E 17 36.019 -49.014 268.687 1.00 50.00 ATOM 18 CA THR E 18 37.138 -52.510 269.899 1.00 50.00 ATOM 19 CA ASP E 19 34.045 -53.294 272.028 1.00 50.00 ATOM 20 CA VAL E 20 31.298 -55.877 271.643 1.00 50.00 ATOM 21 CA ILE E 21 27.989 -54.158 270.818 1.00 50.00 ATOM 22 CA THR E 22 25.277 -55.701 272.943 1.00 50.00 ATOM 23 CA ILE E 23 21.539 -54.884 272.775 1.00 50.00 ATOM 24 CA PRO E 24 18.374 -56.754 273.939 1.00 50.00 ATOM 25 CA THR E 25 15.901 -57.900 271.284 1.00 50.00 ATOM 26 CA ALA E 26 12.581 -59.827 271.452 1.00 50.00 ATOM 27 CA ALA E 27 14.737 -62.876 270.562 1.00 50.00 ATOM 28 CA GLY E 28 17.246 -62.327 273.448 1.00 50.00 ATOM 29 CA LYS E 29 20.597 -60.533 273.765 1.00 50.00 ATOM 30 CA ASN E 30 22.134 -59.739 270.367 1.00 50.00 ATOM 31 CA LEU E 31 25.912 -59.378 270.257 1.00 50.00 ATOM 32 CA CYS E 32 27.369 -57.791 267.141 1.00 50.00 ATOM 33 CA ILE E 33 31.067 -57.730 266.364 1.00 50.00 ATOM 34 CA VAL E 34 32.545 -54.687 264.599 1.00 50.00 ATOM 35 CA ARG E 35 36.048 -54.942 263.109 1.00 50.00 ATOM 36 CA ALA E 36 35.803 -51.871 260.823 1.00 50.00 ATOM 37 CA MET E 37 39.419 -50.632 260.539 1.00 50.00 ATOM 38 CA ASP E 38 38.181 -47.246 259.236 1.00 50.00 ATOM 39 CA VAL E 39 35.796 -46.620 262.198 1.00 50.00 ATOM 40 CA GLY E 40 36.230 -42.902 262.936 1.00 50.00 ATOM 41 CA TYR E 41 34.268 -39.983 264.350 1.00 50.00 ATOM 42 CA MET E 42 30.625 -39.505 263.414 1.00 50.00 ATOM 43 CA CYS E 43 30.466 -36.870 260.668 1.00 50.00 ATOM 44 CA ASP E 44 28.985 -36.250 257.180 1.00 50.00 ATOM 45 CA ASP E 45 31.292 -39.025 255.915 1.00 50.00 ATOM 46 CA THR E 46 29.238 -41.976 257.166 1.00 50.00 ATOM 47 CA ILE E 47 28.897 -45.441 255.674 1.00 50.00 ATOM 48 CA THR E 48 25.882 -47.703 256.225 1.00 50.00 ATOM 49 CA TYR E 49 25.698 -51.455 255.651 1.00 50.00 ATOM 50 CA GLU E 50 24.450 -54.716 257.154 1.00 50.00 ATOM 51 CA CYS E 51 26.091 -56.997 259.721 1.00 50.00 ATOM 52 CA PRO E 52 24.771 -60.467 258.731 1.00 50.00 ATOM 53 CA VAL E 53 23.803 -63.151 261.253 1.00 50.00 ATOM 54 CA LEU E 54 26.518 -65.803 261.617 1.00 50.00 ATOM 55 CA SER E 55 25.506 -69.000 263.423 1.00 99.99 ATOM 56 CA ALA E 56 25.337 -72.814 263.129 1.00 99.99 ATOM 57 CA GLY E 57 28.711 -72.523 261.375 1.00 99.99 ATOM 58 CA ASN E 58 30.832 -70.161 260.333 1.00 50.00 ATOM 59 CA ASP E 59 34.028 -68.103 260.352 1.00 50.00 ATOM 60 CA PRO E 60 33.456 -64.558 258.944 1.00 50.00 ATOM 61 CA GLU E 61 34.695 -64.066 255.369 1.00 50.00 ATOM 62 CA ASP E 62 35.106 -60.765 253.475 1.00 50.00 ATOM 63 CA ILE E 63 33.120 -58.867 256.158 1.00 50.00 ATOM 64 CA ASP E 64 34.104 -56.656 259.114 1.00 50.00 ATOM 65 CA CYS E 65 30.775 -56.773 261.018 1.00 50.00 ATOM 66 CA TRP E 66 28.390 -59.579 261.970 1.00 50.00 ATOM 67 CA CYS E 67 25.945 -60.560 264.726 1.00 50.00 ATOM 68 CA THR E 68 25.165 -63.775 266.562 1.00 50.00 ATOM 69 CA LYS E 69 21.361 -63.524 266.976 1.00 50.00 ATOM 70 CA SER E 70 19.842 -60.880 264.665 1.00 50.00 ATOM 71 CA ALA E 71 21.107 -59.261 261.453 1.00 50.00 ATOM 72 CA VAL E 72 21.705 -55.583 262.242 1.00 50.00 ATOM 73 CA TYR E 73 22.593 -52.598 260.182 1.00 50.00 ATOM 74 CA VAL E 74 25.469 -50.297 261.181 1.00 50.00 ATOM 75 CA ARG E 75 26.448 -46.688 260.528 1.00 50.00 ATOM 76 CA TYR E 76 29.664 -44.926 261.542 1.00 50.00 ATOM 77 CA GLY E 77 31.777 -41.936 260.462 1.00 50.00 ATOM 78 CA ARG E 78 35.331 -42.127 259.046 1.00 50.00 ATOM 79 CA CYS E 79 36.550 -38.665 260.163 1.00 50.00 ATOM 80 CA THR E 80 39.696 -38.520 262.329 1.00 50.00 TER