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 B 123 475 UNP P01876 IGHA1_HUMAN 1 353 SEQRES 1 B 108 ASN THR PHE ARG PRO GLU VAL HIS LEU LEU PRO PRO PRO SEQRES 2 B 108 SER GLU GLU LEU ALA LEU ASN GLU LEU VAL THR LEU THR SEQRES 3 B 108 CYS LEU ALA ARG GLY PHE SER PRO LYS ASP VAL LEU VAL SEQRES 4 B 108 ARG TRP LEU GLN GLY SER GLN GLU LEU PRO ARG GLU LYS SEQRES 5 B 108 TYR LEU THR TRP ALA SER ARG GLN GLU PRO SER GLN GLY SEQRES 6 B 108 THR THR THR PHE ALA VAL THR SER ILE LEU ARG VAL ALA SEQRES 7 B 108 ALA GLU ASP TRP LYS LYS GLY ASP THR PHE SER CYS MET SEQRES 8 B 108 VAL GLY HIS GLU ALA LEU PRO LEU ALA PHE THR GLN LYS SEQRES 9 B 108 THR ILE ASP ARG ATOM 1 CA ASN B 346 16.850 -19.106 -0.951 1.00 0.00 ATOM 2 CA THR B 347 17.151 -22.023 -3.511 1.00 0.00 ATOM 3 CA PHE B 348 15.317 -25.465 -3.656 1.00 0.00 ATOM 4 CA ARG B 349 16.001 -28.435 -6.082 1.00 0.00 ATOM 5 CA PRO B 350 13.076 -29.143 -8.561 1.00 0.00 ATOM 6 CA GLU B 351 11.498 -32.625 -8.285 1.00 0.00 ATOM 7 CA VAL B 352 10.750 -33.696 -11.931 1.00 0.00 ATOM 8 CA HIS B 353 8.163 -36.538 -12.410 1.00 0.00 ATOM 9 CA LEU B 354 7.016 -37.520 -15.959 1.00 0.00 ATOM 10 CA LEU B 355 3.378 -38.687 -16.235 1.00 0.00 ATOM 11 CA PRO B 356 2.074 -40.837 -19.177 1.00 0.00 ATOM 12 CA PRO B 357 -1.447 -40.177 -20.649 1.00 0.00 ATOM 13 CA PRO B 358 -4.686 -41.318 -18.947 1.00 0.00 ATOM 14 CA SER B 359 -6.327 -44.563 -20.274 1.00 0.00 ATOM 15 CA GLU B 360 -9.402 -42.550 -21.512 1.00 0.00 ATOM 16 CA GLU B 361 -7.183 -40.121 -23.584 1.00 0.00 ATOM 17 CA LEU B 362 -6.049 -43.172 -25.682 1.00 0.00 ATOM 18 CA ALA B 363 -9.672 -43.136 -27.026 1.00 0.00 ATOM 19 CA LEU B 364 -8.497 -39.777 -28.602 1.00 0.00 ATOM 20 CA ASN B 365 -6.185 -39.606 -31.721 1.00 0.00 ATOM 21 CA GLU B 366 -4.216 -36.507 -33.022 1.00 0.00 ATOM 22 CA LEU B 367 -2.671 -35.428 -29.644 1.00 0.00 ATOM 23 CA VAL B 368 -1.592 -37.653 -26.665 1.00 0.00 ATOM 24 CA THR B 369 -1.044 -35.600 -23.554 1.00 0.00 ATOM 25 CA LEU B 370 2.513 -36.244 -22.179 1.00 0.00 ATOM 26 CA THR B 371 2.848 -34.386 -18.859 1.00 0.00 ATOM 27 CA CYS B 372 5.884 -33.515 -16.717 1.00 0.00 ATOM 28 CA LEU B 373 5.405 -32.071 -13.201 1.00 0.00 ATOM 29 CA ALA B 374 8.260 -29.858 -11.875 1.00 0.00 ATOM 30 CA ARG B 375 7.471 -29.281 -8.157 1.00 0.00 ATOM 31 CA GLY B 376 9.016 -27.949 -4.886 1.00 0.00 ATOM 32 CA PHE B 377 11.427 -25.543 -6.695 1.00 0.00 ATOM 33 CA SER B 378 12.695 -22.005 -5.773 1.00 0.00 ATOM 34 CA PRO B 379 13.238 -19.398 -6.981 1.00 0.00 ATOM 35 CA LYS B 380 10.505 -19.433 -9.732 1.00 0.00 ATOM 36 CA ASP B 381 13.275 -19.024 -12.301 1.00 0.00 ATOM 37 CA VAL B 382 13.257 -22.242 -14.459 1.00 0.00 ATOM 38 CA LEU B 383 13.419 -23.500 -18.116 1.00 0.00 ATOM 39 CA VAL B 384 11.549 -26.636 -19.202 1.00 0.00 ATOM 40 CA ARG B 385 11.883 -28.128 -22.738 1.00 0.00 ATOM 41 CA TRP B 386 10.900 -31.419 -24.455 1.00 0.00 ATOM 42 CA LEU B 387 12.925 -33.791 -26.690 1.00 0.00 ATOM 43 CA GLN B 388 12.072 -36.684 -29.055 1.00 0.00 ATOM 44 CA GLY B 389 14.310 -39.827 -28.699 1.00 0.00 ATOM 45 CA SER B 390 12.989 -41.411 -31.974 1.00 0.00 ATOM 46 CA GLN B 391 14.385 -38.596 -34.266 1.00 0.00 ATOM 47 CA GLU B 392 17.191 -37.295 -31.898 1.00 0.00 ATOM 48 CA LEU B 393 15.596 -33.785 -32.078 1.00 0.00 ATOM 49 CA PRO B 394 13.809 -31.120 -29.934 1.00 0.00 ATOM 50 CA ARG B 395 9.962 -31.138 -30.059 1.00 0.00 ATOM 51 CA GLU B 396 7.395 -28.490 -31.106 1.00 0.00 ATOM 52 CA LYS B 397 3.847 -29.177 -29.839 1.00 0.00 ATOM 53 CA TYR B 398 4.316 -28.368 -26.135 1.00 0.00 ATOM 54 CA LEU B 399 2.975 -25.724 -23.706 1.00 0.00 ATOM 55 CA THR B 400 4.179 -24.833 -20.128 1.00 0.00 ATOM 56 CA TRP B 401 1.891 -23.155 -17.478 1.00 0.00 ATOM 57 CA ALA B 402 2.722 -21.638 -13.965 1.00 0.00 ATOM 58 CA SER B 403 1.960 -21.841 -10.144 1.00 0.00 ATOM 59 CA ARG B 404 3.764 -19.963 -7.263 1.00 0.00 ATOM 60 CA GLN B 405 2.563 -21.620 -3.969 1.00 0.00 ATOM 61 CA GLU B 406 2.081 -19.214 -0.963 1.00 0.00 ATOM 62 CA PRO B 407 -0.591 -19.688 1.821 1.00 0.00 ATOM 63 CA SER B 408 -0.681 -18.070 5.363 1.00 0.00 ATOM 64 CA GLN B 409 2.111 -20.429 6.667 1.00 0.00 ATOM 65 CA GLY B 410 5.941 -20.571 6.149 1.00 0.00 ATOM 66 CA THR B 411 5.522 -23.061 3.223 1.00 0.00 ATOM 67 CA THR B 412 6.366 -21.190 -0.078 1.00 0.00 ATOM 68 CA THR B 413 7.912 -22.997 -3.186 1.00 0.00 ATOM 69 CA PHE B 414 6.685 -23.281 -6.889 1.00 0.00 ATOM 70 CA ALA B 415 5.117 -25.934 -9.158 1.00 0.00 ATOM 71 CA VAL B 416 4.526 -26.106 -12.966 1.00 0.00 ATOM 72 CA THR B 417 3.107 -28.697 -15.378 1.00 0.00 ATOM 73 CA SER B 418 4.419 -28.924 -18.988 1.00 0.00 ATOM 74 CA ILE B 419 2.192 -30.527 -21.667 1.00 0.00 ATOM 75 CA LEU B 420 3.742 -32.232 -24.781 1.00 0.00 ATOM 76 CA ARG B 421 0.989 -33.272 -27.214 1.00 0.00 ATOM 77 CA VAL B 422 1.840 -36.236 -29.595 1.00 0.00 ATOM 78 CA ALA B 423 0.096 -38.523 -32.146 1.00 0.00 ATOM 79 CA ALA B 424 -1.388 -41.638 -30.346 1.00 0.00 ATOM 80 CA GLU B 425 0.646 -43.866 -32.758 1.00 0.00 ATOM 81 CA ASP B 426 4.238 -42.600 -31.925 1.00 0.00 ATOM 82 CA TRP B 427 3.696 -43.186 -28.159 1.00 0.00 ATOM 83 CA LYS B 428 2.532 -46.787 -29.066 1.00 0.00 ATOM 84 CA LYS B 429 5.487 -47.177 -31.543 1.00 0.00 ATOM 85 CA GLY B 430 7.530 -47.195 -28.259 1.00 0.00 ATOM 86 CA ASP B 431 9.091 -43.723 -28.544 1.00 0.00 ATOM 87 CA THR B 432 11.036 -42.169 -25.639 1.00 0.00 ATOM 88 CA PHE B 433 10.152 -38.492 -24.962 1.00 0.00 ATOM 89 CA SER B 434 12.201 -36.552 -22.351 1.00 0.00 ATOM 90 CA CYS B 435 11.354 -33.456 -20.304 1.00 0.00 ATOM 91 CA MET B 436 14.568 -31.396 -19.702 1.00 0.00 ATOM 92 CA VAL B 437 14.478 -29.028 -16.671 1.00 0.00 ATOM 93 CA GLY B 438 17.124 -26.299 -16.090 1.00 0.00 ATOM 94 CA HIS B 439 17.259 -24.613 -12.670 1.00 0.00 ATOM 95 CA GLU B 440 19.755 -22.845 -10.277 1.00 0.00 ATOM 96 CA ALA B 441 19.633 -25.770 -7.734 1.00 0.00 ATOM 97 CA LEU B 442 19.962 -28.722 -10.208 1.00 0.00 ATOM 98 CA PRO B 443 23.282 -30.762 -10.084 1.00 0.00 ATOM 99 CA LEU B 444 24.770 -29.558 -13.436 1.00 0.00 ATOM 100 CA ALA B 445 22.040 -26.821 -13.709 1.00 0.00 ATOM 101 CA PHE B 446 20.261 -29.482 -15.820 1.00 0.00 ATOM 102 CA THR B 447 18.225 -32.666 -15.269 1.00 0.00 ATOM 103 CA GLN B 448 16.198 -34.742 -17.761 1.00 0.00 ATOM 104 CA LYS B 449 13.444 -37.299 -16.879 1.00 0.00 ATOM 105 CA THR B 450 12.157 -39.688 -19.609 1.00 0.00 ATOM 106 CA ILE B 451 8.726 -41.135 -20.706 1.00 0.00 ATOM 107 CA ASP B 452 8.006 -44.158 -22.978 1.00 0.00 ATOM 108 CA ARG B 453 5.208 -46.777 -23.560 1.00 0.00 TER