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 D 1 80 UNP Q9WHD2 Q9WHD2_WNV 101 180 SEQRES 1 D 80 LEU SER ASN PHE GLN GLY LYS VAL MET MET THR VAL ASN SEQRES 2 D 80 ALA THR ASP VAL THR ASP VAL ILE THR ILE PRO THR ALA SEQRES 3 D 80 ALA GLY LYS ASN LEU CYS ILE VAL ARG ALA MET ASP VAL SEQRES 4 D 80 GLY TYR MET CYS ASP ASP THR ILE THR TYR GLU CYS PRO SEQRES 5 D 80 VAL LEU SER ALA GLY ASN ASP PRO GLU ASP ILE ASP CYS SEQRES 6 D 80 TRP CYS THR LYS SER ALA VAL TYR VAL ARG TYR GLY ARG SEQRES 7 D 80 CYS THR ATOM 1 CA LEU D 1 88.542 -34.441 253.001 1.00 50.00 ATOM 2 CA SER D 2 88.684 -31.446 250.623 1.00 50.00 ATOM 3 CA ASN D 3 86.805 -28.159 250.072 1.00 50.00 ATOM 4 CA PHE D 4 84.149 -26.880 247.656 1.00 50.00 ATOM 5 CA GLN D 5 83.640 -23.101 247.715 1.00 50.00 ATOM 6 CA GLY D 6 84.756 -22.871 251.378 1.00 50.00 ATOM 7 CA LYS D 7 82.677 -25.833 252.627 1.00 50.00 ATOM 8 CA VAL D 8 83.832 -29.305 253.615 1.00 50.00 ATOM 9 CA MET D 9 83.753 -31.894 250.795 1.00 50.00 ATOM 10 CA MET D 10 84.110 -35.653 251.301 1.00 50.00 ATOM 11 CA THR D 11 85.349 -38.016 248.584 1.00 50.00 ATOM 12 CA VAL D 12 84.020 -41.438 249.680 1.00 50.00 ATOM 13 CA ASN D 13 85.291 -44.782 248.383 1.00 50.00 ATOM 14 CA ALA D 14 83.534 -48.177 248.284 1.00 50.00 ATOM 15 CA THR D 15 85.394 -49.336 251.445 1.00 50.00 ATOM 16 CA ASP D 16 83.532 -46.710 253.556 1.00 50.00 ATOM 17 CA VAL D 17 79.999 -48.059 252.847 1.00 50.00 ATOM 18 CA THR D 18 77.988 -48.423 256.126 1.00 50.00 ATOM 19 CA ASP D 19 80.305 -46.319 258.346 1.00 50.00 ATOM 20 CA VAL D 20 79.805 -42.987 260.082 1.00 50.00 ATOM 21 CA ILE D 21 82.015 -40.323 258.465 1.00 50.00 ATOM 22 CA THR D 22 83.666 -38.316 261.203 1.00 50.00 ATOM 23 CA ILE D 23 85.917 -35.255 260.712 1.00 50.00 ATOM 24 CA PRO D 24 87.006 -32.381 263.041 1.00 50.00 ATOM 25 CA THR D 25 85.901 -28.850 262.151 1.00 50.00 ATOM 26 CA ALA D 26 86.429 -25.437 263.835 1.00 50.00 ATOM 27 CA ALA D 27 82.919 -26.023 265.276 1.00 50.00 ATOM 28 CA GLY D 28 83.771 -29.490 266.750 1.00 50.00 ATOM 29 CA LYS D 29 83.437 -33.078 265.499 1.00 50.00 ATOM 30 CA ASN D 30 81.126 -33.339 262.477 1.00 50.00 ATOM 31 CA LEU D 31 79.427 -36.690 261.926 1.00 50.00 ATOM 32 CA CYS D 32 77.823 -37.239 258.539 1.00 50.00 ATOM 33 CA ILE D 33 75.570 -40.167 257.744 1.00 50.00 ATOM 34 CA VAL D 34 75.684 -41.706 254.254 1.00 50.00 ATOM 35 CA ARG D 35 72.900 -44.091 253.201 1.00 50.00 ATOM 36 CA ALA D 36 73.565 -43.940 249.425 1.00 50.00 ATOM 37 CA MET D 37 72.390 -47.354 248.137 1.00 50.00 ATOM 38 CA ASP D 38 74.335 -46.818 244.876 1.00 50.00 ATOM 39 CA VAL D 39 77.691 -46.087 246.628 1.00 50.00 ATOM 40 CA GLY D 40 80.253 -47.899 244.457 1.00 50.00 ATOM 41 CA TYR D 41 83.904 -47.642 243.463 1.00 50.00 ATOM 42 CA MET D 42 85.432 -44.263 242.679 1.00 50.00 ATOM 43 CA CYS D 43 85.502 -43.874 238.888 1.00 50.00 ATOM 44 CA ASP D 44 84.514 -41.427 236.098 1.00 50.00 ATOM 45 CA ASP D 45 80.875 -42.083 237.074 1.00 50.00 ATOM 46 CA THR D 46 80.791 -39.874 240.171 1.00 50.00 ATOM 47 CA ILE D 47 77.887 -37.930 241.631 1.00 50.00 ATOM 48 CA THR D 48 78.286 -34.827 243.805 1.00 50.00 ATOM 49 CA TYR D 49 75.677 -33.286 246.100 1.00 50.00 ATOM 50 CA GLU D 50 75.155 -31.779 249.550 1.00 50.00 ATOM 51 CA CYS D 51 74.467 -33.495 252.875 1.00 50.00 ATOM 52 CA PRO D 52 72.344 -30.894 254.743 1.00 50.00 ATOM 53 CA VAL D 53 72.663 -30.204 258.475 1.00 50.00 ATOM 54 CA LEU D 54 69.881 -31.885 260.472 1.00 50.00 ATOM 55 CA SER D 55 69.467 -30.717 264.074 1.00 99.99 ATOM 56 CA ALA D 56 66.983 -29.281 266.607 1.00 99.99 ATOM 57 CA GLY D 57 64.444 -31.622 264.987 1.00 99.99 ATOM 58 CA ASN D 58 64.252 -33.788 262.450 1.00 50.00 ATOM 59 CA ASP D 59 63.980 -37.207 260.811 1.00 50.00 ATOM 60 CA PRO D 60 65.633 -37.258 257.327 1.00 50.00 ATOM 61 CA GLU D 61 63.172 -37.101 254.415 1.00 50.00 ATOM 62 CA ASP D 62 63.895 -37.741 250.711 1.00 50.00 ATOM 63 CA ILE D 63 67.683 -37.642 251.333 1.00 50.00 ATOM 64 CA ASP D 64 70.371 -40.325 251.756 1.00 50.00 ATOM 65 CA CYS D 65 73.086 -38.135 253.353 1.00 50.00 ATOM 66 CA TRP D 66 73.076 -35.568 256.159 1.00 50.00 ATOM 67 CA CYS D 67 75.330 -34.210 258.918 1.00 50.00 ATOM 68 CA THR D 68 74.807 -33.252 262.542 1.00 50.00 ATOM 69 CA LYS D 69 77.087 -30.186 262.866 1.00 50.00 ATOM 70 CA SER D 70 78.095 -28.786 259.453 1.00 50.00 ATOM 71 CA ALA D 71 76.548 -29.139 255.984 1.00 50.00 ATOM 72 CA VAL D 72 79.035 -31.100 253.869 1.00 50.00 ATOM 73 CA TYR D 73 79.226 -31.992 250.249 1.00 50.00 ATOM 74 CA VAL D 74 79.855 -35.589 249.135 1.00 50.00 ATOM 75 CA ARG D 75 81.241 -37.300 246.042 1.00 50.00 ATOM 76 CA TYR D 76 81.376 -41.030 245.306 1.00 50.00 ATOM 77 CA GLY D 77 81.557 -43.369 242.294 1.00 50.00 ATOM 78 CA ARG D 78 78.834 -45.849 241.245 1.00 50.00 ATOM 79 CA CYS D 79 81.077 -48.408 239.476 1.00 50.00 ATOM 80 CA THR D 80 80.927 -52.027 240.703 1.00 50.00 TER