HEADER VIRAL PROTEIN 31-DEC-69 6ZIG TITLE Topological model of the p2 virion baseplate in activated TITLE 2 conformation (closed Tal trimer) COMPND MOL_ID: 3; COMPND 2 MOLECULE: Baseplate protein gp16; COMPND 3 CHAIN: Y, Z, 1; EXPDTA ELECTRON MICROSCOPY DBREF 6ZIG 1 1 375 UNP D3KFX4 GP16_BPLP2 1 375 SEQRES 1 1 85 THR ILE VAL GLU ARG SER ALA TYR ASN PHE ALA VAL VAL SEQRES 2 1 85 PHE VAL LYS ASN LYS ALA THR ASP ASP TYR THR ASP PRO SEQRES 3 1 85 PRO LYS MET TYR ILE ALA LYS ASN ASN GLY ASP VAL ILE SEQRES 4 1 85 ASP TYR SER THR TYR HIS GLY ASP GLY THR ASP LEU PRO SEQRES 5 1 85 ASP VAL ARG THR ALA LYS THR LEU PHE TYR ASP ARG ASP SEQRES 6 1 85 ASP HIS GLY ASN PRO PRO GLU LEU SER THR ILE LYS VAL SEQRES 7 1 85 GLU ILE SER PRO SER THR ILE ATOM 1 CA THR 1 234 444.041 454.566 506.855 1.00 23.58 ATOM 2 CA ILE 1 235 445.081 453.787 503.268 1.00 25.27 ATOM 3 CA VAL 1 236 441.831 451.660 502.919 1.00 33.43 ATOM 4 CA GLU 1 237 439.821 454.734 503.978 1.00 33.17 ATOM 5 CA ARG 1 238 441.789 457.227 501.741 1.00 26.55 ATOM 6 CA SER 1 239 439.227 459.733 500.438 1.00 28.48 ATOM 7 CA ALA 1 240 441.443 462.335 498.774 1.00 22.92 ATOM 8 CA TYR 1 241 444.037 461.987 496.003 1.00 22.84 ATOM 9 CA ASN 1 242 446.286 464.647 494.480 1.00 25.05 ATOM 10 CA PHE 1 243 447.932 462.554 491.709 1.00 20.99 ATOM 11 CA ALA 1 244 446.660 459.988 489.160 1.00 23.02 ATOM 12 CA VAL 1 245 448.144 457.060 487.251 1.00 16.90 ATOM 13 CA VAL 1 246 445.925 456.765 484.138 1.00 16.44 ATOM 14 CA PHE 1 247 445.410 453.550 482.044 1.00 15.30 ATOM 15 CA VAL 1 248 443.512 453.726 478.723 1.00 14.95 ATOM 16 CA LYS 1 249 442.195 450.502 477.122 1.00 19.07 ATOM 17 CA ASN 1 250 444.054 449.791 473.837 1.00 20.51 ATOM 18 CA LYS 1 251 441.501 449.149 471.003 1.00 24.29 ATOM 19 CA ALA 1 252 443.554 446.426 469.256 1.00 23.87 ATOM 20 CA THR 1 253 444.284 444.290 472.391 1.00 22.58 ATOM 21 CA ASP 1 254 441.002 445.266 474.161 1.00 22.14 ATOM 22 CA ASP 1 255 443.157 445.447 477.295 1.00 18.00 ATOM 23 CA TYR 1 256 445.288 447.964 479.220 1.00 17.33 ATOM 24 CA THR 1 257 448.496 447.084 477.226 1.00 19.01 ATOM 25 CA ASP 1 258 449.853 450.663 476.862 1.00 21.24 ATOM 26 CA PRO 1 259 451.852 452.504 479.568 1.00 18.85 ATOM 27 CA PRO 1 260 449.919 454.771 481.965 1.00 18.23 ATOM 28 CA LYS 1 261 450.197 458.614 481.801 1.00 18.88 ATOM 29 CA MET 1 262 450.458 460.507 485.141 1.00 20.29 ATOM 30 CA TYR 1 263 448.597 463.671 486.164 1.00 22.05 ATOM 31 CA ILE 1 264 449.244 466.049 489.041 1.00 18.99 ATOM 32 CA ALA 1 265 447.087 468.593 490.901 1.00 23.97 ATOM 33 CA LYS 1 266 449.084 471.764 491.719 1.00 23.30 ATOM 34 CA ASN 1 267 448.325 473.733 494.935 1.00 25.81 ATOM 35 CA ASN 1 268 446.158 476.244 492.964 1.00 23.54 ATOM 36 CA GLY 1 269 443.987 473.420 491.613 1.00 23.56 ATOM 37 CA ASP 1 270 445.461 473.123 488.085 1.00 22.30 ATOM 38 CA VAL 1 271 445.817 469.521 486.805 1.00 19.86 ATOM 39 CA ILE 1 272 448.448 468.767 484.148 1.00 21.12 ATOM 40 CA ASP 1 273 450.252 465.803 482.584 1.00 23.09 ATOM 41 CA TYR 1 274 452.999 465.263 485.273 1.00 18.49 ATOM 42 CA SER 1 275 455.653 464.723 482.548 1.00 19.66 ATOM 43 CA THR 1 276 455.285 468.424 481.572 1.00 20.96 ATOM 44 CA TYR 1 277 455.981 469.839 485.064 1.00 23.59 ATOM 45 CA HIS 1 278 458.671 472.549 484.938 1.00 28.98 ATOM 46 CA GLY 1 279 458.405 474.156 488.393 1.00 22.28 ATOM 47 CA ASP 1 280 460.609 474.026 491.521 1.00 20.87 ATOM 48 CA GLY 1 281 458.226 471.836 493.536 1.00 19.13 ATOM 49 CA THR 1 282 457.020 474.557 495.923 1.00 21.43 ATOM 50 CA ASP 1 283 453.724 474.868 494.056 1.00 21.19 ATOM 51 CA LEU 1 284 452.859 471.132 494.377 1.00 17.90 ATOM 52 CA PRO 1 285 451.335 469.353 497.482 1.00 21.07 ATOM 53 CA ASP 1 286 453.870 468.478 500.227 1.00 24.87 ATOM 54 CA VAL 1 287 452.993 464.735 500.020 1.00 20.87 ATOM 55 CA ARG 1 288 451.834 462.600 497.015 1.00 19.88 ATOM 56 CA THR 1 289 448.512 460.625 497.245 1.00 22.13 ATOM 57 CA ALA 1 290 448.270 458.688 493.946 1.00 22.96 ATOM 58 CA LYS 1 291 445.341 456.694 492.562 1.00 22.19 ATOM 59 CA THR 1 292 445.101 454.389 489.556 1.00 22.55 ATOM 60 CA LEU 1 293 442.456 455.051 486.953 1.00 17.76 ATOM 61 CA PHE 1 294 441.137 452.862 484.122 1.00 18.82 ATOM 62 CA TYR 1 295 439.236 454.143 481.048 1.00 21.12 ATOM 63 CA ASP 1 296 438.068 452.875 477.673 1.00 23.49 ATOM 64 CA ARG 1 297 438.467 454.887 474.433 1.00 20.18 ATOM 65 CA ASP 1 298 435.314 456.369 472.821 1.00 20.88 ATOM 66 CA ASP 1 299 434.012 455.210 469.352 1.00 25.30 ATOM 67 CA HIS 1 300 436.751 457.367 467.736 1.00 30.99 ATOM 68 CA GLY 1 301 439.545 455.924 469.761 1.00 21.86 ATOM 69 CA ASN 1 302 439.825 459.101 471.865 1.00 18.51 ATOM 70 CA PRO 1 303 441.201 458.660 475.393 1.00 23.54 ATOM 71 CA PRO 1 304 439.484 460.584 478.272 1.00 23.43 ATOM 72 CA GLU 1 305 439.393 464.399 478.276 1.00 19.10 ATOM 73 CA LEU 1 306 441.728 466.149 480.785 1.00 20.97 ATOM 74 CA SER 1 307 438.480 467.587 482.326 1.00 23.38 ATOM 75 CA THR 1 308 437.291 463.969 483.098 1.00 26.99 ATOM 76 CA ILE 1 309 440.699 462.990 484.633 1.00 23.66 ATOM 77 CA LYS 1 310 440.840 466.435 486.477 1.00 27.69 ATOM 78 CA VAL 1 311 437.848 465.577 488.822 1.00 22.98 ATOM 79 CA GLU 1 312 439.484 462.503 490.328 1.00 21.99 ATOM 80 CA ILE 1 313 442.251 464.426 492.022 1.00 21.82 ATOM 81 CA SER 1 314 442.574 467.742 493.944 1.00 27.28 ATOM 82 CA PRO 1 315 445.079 469.985 495.907 1.00 28.57 ATOM 83 CA SER 1 316 444.986 467.936 499.168 1.00 24.53 ATOM 84 CA THR 1 317 447.307 465.855 501.448 1.00 26.72 ATOM 85 CA ILE 1 318 446.952 462.978 503.998 1.00 25.66 TER