HEADER VIRUS 31-DEC-69 3IYI TITLE P22 expanded head coat protein structures reveal a novel mechanism TITLE 2 for capsid maturation: Stability without auxiliary proteins or TITLE 3 chemical cross-links COMPND MOL_ID: 1; COMPND 2 MOLECULE: P22 coat protein in procapsid shells; COMPND 3 CHAIN: A, B, C, D, E, F, G; EXPDTA ELECTRON MICROSCOPY REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA F 225 REMARK 465 THR F 226 REMARK 465 GLY F 227 REMARK 465 ILE F 228 DBREF 3IYI F 1 430 UNP P26747 VG05_BPP22 1 430 SEQRES 1 F 92 THR LYS SER THR ALA THR GLY ILE THR VAL SER GLY ALA SEQRES 2 F 92 GLN SER PHE LYS PRO VAL ALA TRP GLN LEU ASP ASN ASP SEQRES 3 F 92 GLY ASN LYS VAL ASN VAL ASP ASN ARG PHE ALA THR VAL SEQRES 4 F 92 THR LEU SER ALA THR THR GLY MET LYS ARG GLY ASP LYS SEQRES 5 F 92 ILE SER PHE ALA GLY VAL LYS PHE LEU GLY GLN MET ALA SEQRES 6 F 92 LYS ASN VAL LEU ALA GLN ASP ALA THR PHE SER VAL VAL SEQRES 7 F 92 ARG VAL VAL ASP GLY THR HIS VAL GLU ILE THR PRO LYS SEQRES 8 F 92 PRO ATOM 1 CA THR F 221 51.975 67.101 247.192 0.00300.00 ATOM 2 CA LYS F 222 49.052 69.406 247.428 0.00300.00 ATOM 3 CA SER F 223 47.675 71.155 250.392 0.00300.00 ATOM 4 CA THR F 224 46.695 69.078 253.318 0.00300.00 ATOM 5 CA THR F 229 43.397 63.043 261.345 1.00300.00 ATOM 6 CA VAL F 230 43.371 60.057 263.734 1.00423.55 ATOM 7 CA SER F 231 44.233 56.635 262.302 1.00300.00 ATOM 8 CA GLY F 232 43.835 53.255 264.033 1.00312.83 ATOM 9 CA ALA F 233 46.666 50.696 263.835 1.00300.00 ATOM 10 CA GLN F 234 46.087 47.713 263.261 1.00300.00 ATOM 11 CA SER F 235 45.345 49.964 260.514 1.00300.00 ATOM 12 CA PHE F 236 41.611 50.753 260.873 1.00300.00 ATOM 13 CA LYS F 237 39.308 51.749 263.557 1.00300.00 ATOM 14 CA PRO F 238 38.254 48.375 265.036 1.00300.00 ATOM 15 CA VAL F 239 41.451 47.037 266.495 1.00700.00 ATOM 16 CA ALA F 240 42.442 43.865 268.372 1.00700.00 ATOM 17 CA TRP F 241 43.531 44.226 271.918 1.00700.00 ATOM 18 CA GLN F 242 45.220 42.077 274.364 1.00700.00 ATOM 19 CA LEU F 243 47.370 43.125 271.470 1.00568.51 ATOM 20 CA ASP F 244 47.911 46.759 270.763 1.00383.35 ATOM 21 CA ASN F 245 45.788 49.476 269.796 1.00300.00 ATOM 22 CA ASP F 246 47.841 52.415 268.493 1.00300.00 ATOM 23 CA GLY F 247 46.075 55.719 267.735 1.00300.00 ATOM 24 CA ASN F 248 48.112 57.865 265.329 1.00300.00 ATOM 25 CA LYS F 249 47.740 61.567 264.761 1.00300.00 ATOM 26 CA VAL F 250 48.692 63.119 261.405 1.00300.00 ATOM 27 CA ASN F 251 48.931 66.855 261.604 1.00300.00 ATOM 28 CA VAL F 252 51.870 66.074 260.864 1.00300.00 ATOM 29 CA ASP F 253 52.370 64.813 264.293 1.00300.00 ATOM 30 CA ASN F 254 55.791 66.010 264.035 1.00300.00 ATOM 31 CA ARG F 255 59.053 65.000 265.481 1.00300.00 ATOM 32 CA PHE F 256 58.787 68.100 267.727 1.00300.00 ATOM 33 CA ALA F 257 55.345 67.226 268.909 1.00300.00 ATOM 34 CA THR F 258 53.723 63.901 268.211 1.00300.00 ATOM 35 CA VAL F 259 52.098 64.450 271.610 1.00300.00 ATOM 36 CA THR F 260 48.713 63.151 272.347 1.00300.00 ATOM 37 CA LEU F 261 46.014 64.413 274.445 1.00300.00 ATOM 38 CA SER F 262 43.723 61.409 274.234 1.00300.00 ATOM 39 CA ALA F 263 39.917 61.536 274.024 1.00300.00 ATOM 40 CA THR F 264 37.525 58.641 274.516 1.00300.00 ATOM 41 CA THR F 265 34.581 59.356 272.253 1.00300.00 ATOM 42 CA GLY F 266 36.720 62.370 271.631 0.00300.00 ATOM 43 CA MET F 267 34.401 64.108 274.060 1.00300.00 ATOM 44 CA LYS F 268 35.828 62.884 277.307 1.00300.00 ATOM 45 CA ARG F 269 39.555 63.405 277.865 0.00300.00 ATOM 46 CA GLY F 270 40.843 60.081 278.863 0.00300.00 ATOM 47 CA ASP F 271 44.226 59.146 279.669 0.00300.00 ATOM 48 CA LYS F 272 45.471 61.699 277.269 0.00300.00 ATOM 49 CA ILE F 273 47.950 61.442 280.034 0.00300.00 ATOM 50 CA SER F 274 48.930 57.834 279.526 0.00300.00 ATOM 51 CA PHE F 275 50.764 58.811 276.521 0.00300.00 ATOM 52 CA ALA F 276 51.616 61.332 274.017 1.00300.00 ATOM 53 CA GLY F 277 52.352 60.831 270.398 1.00300.00 ATOM 54 CA VAL F 278 50.934 58.238 268.512 1.00300.00 ATOM 55 CA LYS F 279 48.943 57.059 271.589 1.00300.00 ATOM 56 CA PHE F 280 49.563 53.400 272.487 1.00300.00 ATOM 57 CA LEU F 281 47.272 51.190 274.541 1.00300.00 ATOM 58 CA GLY F 282 49.073 47.965 275.302 1.00300.00 ATOM 59 CA GLN F 283 45.781 47.161 276.626 1.00300.00 ATOM 60 CA MET F 284 43.417 49.883 275.929 1.00300.00 ATOM 61 CA ALA F 285 43.666 51.311 279.361 1.00300.00 ATOM 62 CA LYS F 286 40.071 52.316 279.659 1.00300.00 ATOM 63 CA ASN F 287 40.625 55.892 280.421 1.00300.00 ATOM 64 CA VAL F 288 42.500 56.237 277.248 1.00300.00 ATOM 65 CA LEU F 289 40.302 53.565 275.847 1.00300.00 ATOM 66 CA ALA F 290 38.052 55.515 273.667 0.00300.00 ATOM 67 CA GLN F 291 34.993 54.515 271.740 0.00300.00 ATOM 68 CA ASP F 292 35.329 56.850 269.090 0.00300.00 ATOM 69 CA ALA F 293 38.974 57.750 269.787 1.00300.00 ATOM 70 CA THR F 294 40.561 61.071 268.883 1.00300.00 ATOM 71 CA PHE F 295 43.922 62.638 269.619 1.00334.19 ATOM 72 CA SER F 296 45.781 66.008 269.390 1.00300.00 ATOM 73 CA VAL F 297 49.170 67.302 270.169 1.00325.11 ATOM 74 CA VAL F 298 50.084 70.515 271.609 1.00300.00 ATOM 75 CA ARG F 299 51.591 71.293 268.295 1.00300.00 ATOM 76 CA VAL F 300 48.715 70.248 266.186 1.00300.00 ATOM 77 CA VAL F 301 45.215 69.342 266.833 1.00300.00 ATOM 78 CA ASP F 302 42.230 67.237 266.723 1.00300.00 ATOM 79 CA GLY F 303 42.147 64.104 264.571 1.00300.00 ATOM 80 CA THR F 304 39.207 62.435 262.810 1.00300.00 ATOM 81 CA HIS F 305 37.224 59.852 264.820 1.00300.00 ATOM 82 CA VAL F 306 38.426 56.244 264.904 1.00300.00 ATOM 83 CA GLU F 307 36.180 53.717 266.369 1.00300.00 ATOM 84 CA ILE F 308 38.962 52.248 268.385 1.00300.00 ATOM 85 CA THR F 309 36.634 49.472 269.293 1.00300.00 ATOM 86 CA PRO F 310 38.982 46.834 270.796 1.00300.00 ATOM 87 CA LYS F 311 38.312 43.118 270.189 1.00300.00 ATOM 88 CA PRO F 312 39.876 40.243 272.078 1.00300.00 TER