HEADER IMMUNOGLOBULIN 23-DEC-98 1IGA TITLE MODEL OF HUMAN IGA1 DETERMINED BY SOLUTION SCATTERING CURVE-FITTING TITLE 2 AND HOMOLOGY MODELLING COMPND MOL_ID: 1; COMPND 2 MOLECULE: IGA1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: CHAINS A AND B, HEAVY, CHAINS C AND D, ; EXPDTA SOLUTION SCATTERING DBREF 1IGA A 123 475 UNP P01876 IGHA1_HUMAN 1 353 SEQRES 1 A 118 THR PRO PRO THR PRO SER PRO SER THR PRO PRO THR PRO SEQRES 2 A 118 SER PRO SER CYS CYS HIS PRO ARG LEU SER LEU HIS ARG SEQRES 3 A 118 PRO ALA LEU GLU ASP LEU LEU LEU GLY SER GLU ALA ASN SEQRES 4 A 118 LEU THR CYS THR LEU THR GLY LEU ARG ASP ALA SER GLY SEQRES 5 A 118 VAL THR PHE THR TRP THR PRO SER SER GLY LYS SER ALA SEQRES 6 A 118 VAL GLN GLY PRO PRO GLU ARG ASP LEU CYS GLY CYS TYR SEQRES 7 A 118 SER VAL SER SER VAL LEU PRO GLY CYS ALA GLU PRO TRP SEQRES 8 A 118 ASN HIS GLY LYS THR PHE THR CYS THR ALA ALA TYR PRO SEQRES 9 A 118 GLU SER LYS THR PRO LEU THR ALA THR LEU SER LYS SER SEQRES 10 A 118 GLY ATOM 1 CA THR A 228 43.882 3.777 -10.248 1.00 0.00 ATOM 2 CA PRO A 229 40.738 4.279 -12.571 1.00 0.00 ATOM 3 CA PRO A 230 37.400 5.565 -14.394 1.00 0.00 ATOM 4 CA THR A 231 34.130 5.338 -16.747 1.00 0.00 ATOM 5 CA PRO A 232 31.539 6.854 -19.464 1.00 0.00 ATOM 6 CA SER A 233 27.852 7.304 -21.050 1.00 0.00 ATOM 7 CA PRO A 234 25.192 7.337 -24.079 1.00 0.00 ATOM 8 CA SER A 235 22.081 9.102 -25.919 1.00 0.00 ATOM 9 CA THR A 236 18.197 9.245 -26.895 1.00 0.00 ATOM 10 CA PRO A 237 15.660 10.118 -29.844 1.00 0.00 ATOM 11 CA PRO A 238 12.698 12.713 -30.110 1.00 0.00 ATOM 12 CA THR A 239 9.268 11.140 -29.038 1.00 0.00 ATOM 13 CA PRO A 240 5.634 12.825 -29.067 1.00 0.00 ATOM 14 CA SER A 241 2.946 14.379 -27.285 1.00 0.00 ATOM 15 CA PRO A 242 2.131 17.478 -24.719 1.00 0.00 ATOM 16 CA SER A 243 0.408 19.713 -22.004 1.00 0.00 ATOM 17 CA CYS A 244 -0.283 19.620 -19.029 1.00 0.00 ATOM 18 CA CYS A 245 -3.387 18.357 -20.888 1.00 0.00 ATOM 19 CA HIS A 246 -4.329 15.821 -23.686 1.00 0.00 ATOM 20 CA PRO A 247 -7.889 14.182 -23.715 1.00 0.00 ATOM 21 CA ARG A 248 -7.627 10.316 -23.481 1.00 0.00 ATOM 22 CA LEU A 249 -10.684 7.960 -22.970 1.00 0.00 ATOM 23 CA SER A 250 -9.870 4.587 -21.233 1.00 0.00 ATOM 24 CA LEU A 251 -12.148 1.619 -20.263 1.00 0.00 ATOM 25 CA HIS A 252 -10.858 -0.626 -17.396 1.00 0.00 ATOM 26 CA ARG A 253 -12.724 -4.040 -17.335 1.00 0.00 ATOM 27 CA PRO A 254 -14.110 -5.879 -14.190 1.00 0.00 ATOM 28 CA ALA A 255 -11.739 -8.381 -12.376 1.00 0.00 ATOM 29 CA LEU A 256 -12.277 -12.203 -12.892 1.00 0.00 ATOM 30 CA GLU A 257 -12.050 -13.313 -9.176 1.00 0.00 ATOM 31 CA ASP A 258 -14.553 -10.632 -7.862 1.00 0.00 ATOM 32 CA LEU A 259 -17.218 -11.229 -10.620 1.00 0.00 ATOM 33 CA LEU A 260 -17.034 -15.076 -10.083 1.00 0.00 ATOM 34 CA LEU A 261 -16.943 -15.064 -6.197 1.00 0.00 ATOM 35 CA GLY A 262 -20.178 -13.182 -5.195 1.00 0.00 ATOM 36 CA SER A 263 -21.205 -11.279 -8.444 1.00 0.00 ATOM 37 CA GLU A 264 -18.986 -8.156 -7.837 1.00 0.00 ATOM 38 CA ALA A 265 -18.139 -6.485 -11.224 1.00 0.00 ATOM 39 CA ASN A 266 -17.688 -2.767 -12.123 1.00 0.00 ATOM 40 CA LEU A 267 -16.822 -1.564 -15.658 1.00 0.00 ATOM 41 CA THR A 268 -14.881 1.665 -15.147 1.00 0.00 ATOM 42 CA CYS A 269 -14.794 4.661 -17.552 1.00 0.00 ATOM 43 CA THR A 270 -11.873 7.106 -17.249 1.00 0.00 ATOM 44 CA LEU A 271 -11.557 10.409 -19.236 1.00 0.00 ATOM 45 CA THR A 272 -7.917 11.606 -19.019 1.00 0.00 ATOM 46 CA GLY A 273 -6.833 14.801 -20.924 1.00 0.00 ATOM 47 CA LEU A 274 -9.852 17.219 -20.591 1.00 0.00 ATOM 48 CA ARG A 275 -8.120 20.729 -20.534 1.00 0.00 ATOM 49 CA ASP A 276 -8.984 23.809 -18.294 1.00 0.00 ATOM 50 CA ALA A 277 -12.590 25.157 -17.549 1.00 0.00 ATOM 51 CA SER A 278 -14.431 21.926 -18.417 1.00 0.00 ATOM 52 CA GLY A 279 -16.975 19.097 -17.652 1.00 0.00 ATOM 53 CA VAL A 280 -17.711 15.559 -19.032 1.00 0.00 ATOM 54 CA THR A 281 -21.211 14.042 -19.730 1.00 0.00 ATOM 55 CA PHE A 282 -21.447 10.225 -19.562 1.00 0.00 ATOM 56 CA THR A 283 -23.951 7.910 -21.395 1.00 0.00 ATOM 57 CA TRP A 284 -23.740 4.194 -20.274 1.00 0.00 ATOM 58 CA THR A 285 -25.809 1.283 -21.785 1.00 0.00 ATOM 59 CA PRO A 286 -27.793 -0.640 -19.043 1.00 0.00 ATOM 60 CA SER A 287 -26.803 -4.236 -17.975 1.00 0.00 ATOM 61 CA SER A 288 -29.148 -7.129 -19.066 1.00 0.00 ATOM 62 CA GLY A 289 -31.687 -7.030 -16.127 1.00 0.00 ATOM 63 CA LYS A 290 -32.683 -3.350 -16.929 1.00 0.00 ATOM 64 CA SER A 291 -29.939 -1.754 -14.719 1.00 0.00 ATOM 65 CA ALA A 292 -27.995 1.557 -15.272 1.00 0.00 ATOM 66 CA VAL A 293 -26.314 3.110 -12.129 1.00 0.00 ATOM 67 CA GLN A 294 -23.368 5.661 -12.236 1.00 0.00 ATOM 68 CA GLY A 295 -21.156 7.942 -9.971 1.00 0.00 ATOM 69 CA PRO A 296 -18.902 10.535 -11.782 1.00 0.00 ATOM 70 CA PRO A 297 -16.387 12.768 -9.794 1.00 0.00 ATOM 71 CA GLU A 298 -13.907 15.245 -11.472 1.00 0.00 ATOM 72 CA ARG A 299 -10.280 14.664 -10.316 1.00 0.00 ATOM 73 CA ASP A 300 -7.348 16.951 -11.416 1.00 0.00 ATOM 74 CA LEU A 301 -4.469 14.461 -12.263 1.00 0.00 ATOM 75 CA CYS A 302 -0.955 15.765 -13.348 1.00 0.00 ATOM 76 CA GLY A 303 -2.466 19.269 -13.832 1.00 0.00 ATOM 77 CA CYS A 304 -5.803 18.537 -15.692 1.00 0.00 ATOM 78 CA TYR A 305 -9.382 17.130 -15.049 1.00 0.00 ATOM 79 CA SER A 306 -10.388 13.389 -15.240 1.00 0.00 ATOM 80 CA VAL A 307 -14.133 12.371 -15.148 1.00 0.00 ATOM 81 CA SER A 308 -13.988 8.800 -13.852 1.00 0.00 ATOM 82 CA SER A 309 -17.451 7.216 -13.786 1.00 0.00 ATOM 83 CA VAL A 310 -18.251 3.599 -12.722 1.00 0.00 ATOM 84 CA LEU A 311 -21.149 1.242 -13.711 1.00 0.00 ATOM 85 CA PRO A 312 -21.760 -1.656 -11.183 1.00 0.00 ATOM 86 CA GLY A 313 -22.655 -4.982 -12.925 1.00 0.00 ATOM 87 CA CYS A 314 -23.883 -8.543 -12.213 1.00 0.00 ATOM 88 CA ALA A 315 -22.135 -11.864 -13.193 1.00 0.00 ATOM 89 CA GLU A 316 -24.877 -13.039 -15.711 1.00 0.00 ATOM 90 CA PRO A 317 -24.518 -10.154 -18.338 1.00 0.00 ATOM 91 CA TRP A 318 -20.657 -10.598 -18.299 1.00 0.00 ATOM 92 CA ASN A 319 -20.812 -14.496 -18.455 1.00 0.00 ATOM 93 CA HIS A 320 -23.667 -14.743 -21.110 1.00 0.00 ATOM 94 CA GLY A 321 -22.436 -11.959 -23.530 1.00 0.00 ATOM 95 CA LYS A 322 -23.384 -8.243 -22.999 1.00 0.00 ATOM 96 CA THR A 323 -21.798 -5.156 -24.742 1.00 0.00 ATOM 97 CA PHE A 324 -21.062 -2.263 -22.293 1.00 0.00 ATOM 98 CA THR A 325 -20.836 1.124 -24.025 1.00 0.00 ATOM 99 CA CYS A 326 -19.450 4.248 -22.294 1.00 0.00 ATOM 100 CA THR A 327 -20.283 7.195 -24.581 1.00 0.00 ATOM 101 CA ALA A 328 -18.827 10.500 -23.363 1.00 0.00 ATOM 102 CA ALA A 329 -19.810 13.985 -24.755 1.00 0.00 ATOM 103 CA TYR A 330 -17.786 17.293 -24.384 1.00 0.00 ATOM 104 CA PRO A 331 -17.959 20.514 -26.617 1.00 0.00 ATOM 105 CA GLU A 332 -14.155 20.638 -27.456 1.00 0.00 ATOM 106 CA SER A 333 -14.389 16.887 -28.483 1.00 0.00 ATOM 107 CA LYS A 334 -16.301 17.425 -31.832 1.00 0.00 ATOM 108 CA THR A 335 -17.116 13.653 -32.111 1.00 0.00 ATOM 109 CA PRO A 336 -18.529 12.314 -28.733 1.00 0.00 ATOM 110 CA LEU A 337 -16.321 9.269 -27.831 1.00 0.00 ATOM 111 CA THR A 338 -17.955 5.844 -27.652 1.00 0.00 ATOM 112 CA ALA A 339 -15.983 2.885 -26.117 1.00 0.00 ATOM 113 CA THR A 340 -17.688 -0.572 -25.957 1.00 0.00 ATOM 114 CA LEU A 341 -16.575 -3.644 -23.967 1.00 0.00 ATOM 115 CA SER A 342 -17.757 -7.339 -23.584 1.00 0.00 ATOM 116 CA LYS A 343 -16.588 -11.043 -23.295 1.00 0.00 ATOM 117 CA SER A 344 -14.116 -12.663 -25.820 1.00 0.00 ATOM 118 CA GLY A 345 -14.411 -14.984 -28.914 1.00 0.00 TER