HEADER IMMUNE SYSTEM 17-OCT-03 1R70 TITLE Model of human IgA2 determined by solution scattering, curve fitting TITLE 2 and homology modelling COMPND MOL_ID: 2; COMPND 2 MOLECULE: Human IgA2(m1) Heavy Chain; COMPND 3 CHAIN: B, D; COMPND 4 ENGINEERED: YES; EXPDTA SOLUTION SCATTERING DBREF 1R70 B 215 676 PDB 1R70 1R70 215 676 SEQRES 1 B 112 PRO PRO PRO CYS CYS HIS PRO ARG LEU SER LEU HIS ARG SEQRES 2 B 112 PRO ALA LEU GLU ASP LEU LEU LEU GLY SER GLU ALA ASN SEQRES 3 B 112 LEU THR CYS THR LEU THR GLY LEU ARG ASP ALA SER GLY SEQRES 4 B 112 ALA THR PHE THR TRP THR PRO SER SER GLY LYS SER ALA SEQRES 5 B 112 VAL GLN GLY PRO PRO GLU ARG ASP LEU CYS GLY CYS TYR SEQRES 6 B 112 SER VAL SER SER VAL LEU PRO GLY CYS ALA GLN PRO TRP SEQRES 7 B 112 ASN HIS GLY GLU THR PHE THR CYS THR ALA ALA HIS PRO SEQRES 8 B 112 GLU LEU LYS THR PRO LEU THR ALA ASN ILE THR LYS SER SEQRES 9 B 112 GLY ASN THR PHE ARG PRO GLU VAL ATOM 1 CA PRO B 442 -1.303 -4.801 -70.004 1.00 20.00 ATOM 2 CA PRO B 443 0.146 -7.495 -67.479 1.00 20.00 ATOM 3 CA PRO B 444 -1.663 -8.962 -64.279 1.00 20.00 ATOM 4 CA CYS B 445 -3.117 -7.210 -61.229 1.00 20.00 ATOM 5 CA CYS B 446 -4.575 -3.777 -62.322 1.00 20.00 ATOM 6 CA HIS B 447 -4.338 -5.079 -65.918 1.00 20.00 ATOM 7 CA PRO B 448 -7.116 -7.006 -67.888 1.00 20.00 ATOM 8 CA ARG B 449 -7.211 -10.824 -67.508 1.00 20.00 ATOM 9 CA LEU B 450 -10.144 -13.221 -66.709 1.00 20.00 ATOM 10 CA SER B 451 -9.511 -16.829 -65.490 1.00 20.00 ATOM 11 CA LEU B 452 -11.759 -19.646 -64.120 1.00 20.00 ATOM 12 CA HIS B 453 -10.783 -22.017 -61.256 1.00 20.00 ATOM 13 CA ARG B 454 -12.128 -25.593 -61.416 1.00 20.00 ATOM 14 CA PRO B 455 -13.105 -27.172 -58.039 1.00 20.00 ATOM 15 CA ALA B 456 -10.826 -29.784 -56.405 1.00 20.00 ATOM 16 CA LEU B 457 -11.343 -33.522 -57.208 1.00 20.00 ATOM 17 CA GLU B 458 -10.822 -34.866 -53.624 1.00 20.00 ATOM 18 CA ASP B 459 -13.450 -32.440 -52.136 1.00 20.00 ATOM 19 CA LEU B 460 -16.367 -33.016 -54.609 1.00 20.00 ATOM 20 CA LEU B 461 -16.025 -36.881 -54.506 1.00 20.00 ATOM 21 CA LEU B 462 -16.089 -37.337 -50.642 1.00 20.00 ATOM 22 CA GLY B 463 -19.092 -35.114 -49.674 1.00 20.00 ATOM 23 CA SER B 464 -20.569 -33.230 -52.706 1.00 20.00 ATOM 24 CA GLU B 465 -18.897 -29.928 -51.561 1.00 20.00 ATOM 25 CA ALA B 466 -17.850 -28.242 -54.868 1.00 20.00 ATOM 26 CA ASN B 467 -17.497 -24.600 -55.994 1.00 20.00 ATOM 27 CA LEU B 468 -16.316 -22.922 -59.259 1.00 20.00 ATOM 28 CA THR B 469 -14.558 -19.502 -58.872 1.00 20.00 ATOM 29 CA CYS B 470 -14.735 -16.710 -61.512 1.00 20.00 ATOM 30 CA THR B 471 -11.995 -14.182 -60.602 1.00 20.00 ATOM 31 CA LEU B 472 -11.133 -11.091 -62.729 1.00 20.00 ATOM 32 CA THR B 473 -7.461 -10.504 -61.670 1.00 20.00 ATOM 33 CA GLY B 474 -6.929 -7.400 -63.899 1.00 20.00 ATOM 34 CA LEU B 475 -8.846 -4.049 -63.838 1.00 20.00 ATOM 35 CA ARG B 476 -8.098 -0.321 -63.212 1.00 20.00 ATOM 36 CA ASP B 477 -10.151 1.835 -60.717 1.00 20.00 ATOM 37 CA ALA B 478 -13.625 0.224 -61.065 1.00 20.00 ATOM 38 CA SER B 479 -17.317 1.337 -61.499 1.00 20.00 ATOM 39 CA GLY B 480 -18.522 -2.089 -60.140 1.00 20.00 ATOM 40 CA ALA B 481 -18.635 -5.247 -62.369 1.00 20.00 ATOM 41 CA THR B 482 -21.736 -7.597 -62.461 1.00 20.00 ATOM 42 CA PHE B 483 -22.203 -11.421 -62.884 1.00 20.00 ATOM 43 CA THR B 484 -24.572 -13.662 -64.953 1.00 20.00 ATOM 44 CA TRP B 485 -24.078 -17.256 -63.675 1.00 20.00 ATOM 45 CA THR B 486 -25.986 -20.187 -65.236 1.00 20.00 ATOM 46 CA PRO B 487 -27.924 -22.660 -62.978 1.00 20.00 ATOM 47 CA SER B 488 -26.905 -26.354 -62.618 1.00 20.00 ATOM 48 CA SER B 489 -28.912 -29.536 -63.506 1.00 20.00 ATOM 49 CA GLY B 490 -30.804 -29.119 -60.151 1.00 20.00 ATOM 50 CA LYS B 491 -31.920 -25.530 -61.104 1.00 20.00 ATOM 51 CA SER B 492 -29.893 -23.642 -58.408 1.00 20.00 ATOM 52 CA ALA B 493 -27.892 -20.371 -58.747 1.00 20.00 ATOM 53 CA VAL B 494 -26.172 -18.852 -55.642 1.00 20.00 ATOM 54 CA GLN B 495 -23.479 -16.114 -55.736 1.00 20.00 ATOM 55 CA GLY B 496 -21.955 -13.332 -53.564 1.00 20.00 ATOM 56 CA PRO B 497 -19.017 -11.445 -55.207 1.00 20.00 ATOM 57 CA PRO B 498 -17.150 -9.163 -52.688 1.00 20.00 ATOM 58 CA GLU B 499 -14.525 -6.432 -53.353 1.00 20.00 ATOM 59 CA ARG B 500 -10.908 -7.051 -52.090 1.00 20.00 ATOM 60 CA ASP B 501 -7.897 -4.691 -52.582 1.00 20.00 ATOM 61 CA LEU B 502 -4.958 -6.393 -54.444 1.00 20.00 ATOM 62 CA CYS B 503 -1.846 -4.286 -55.426 1.00 20.00 ATOM 63 CA GLY B 504 -3.928 -1.087 -54.752 1.00 20.00 ATOM 64 CA CYS B 505 -6.682 -2.196 -57.225 1.00 20.00 ATOM 65 CA TYR B 506 -10.275 -3.442 -56.401 1.00 20.00 ATOM 66 CA SER B 507 -11.079 -7.157 -57.179 1.00 20.00 ATOM 67 CA VAL B 508 -14.472 -8.846 -58.009 1.00 20.00 ATOM 68 CA SER B 509 -14.445 -12.683 -57.471 1.00 20.00 ATOM 69 CA SER B 510 -17.681 -14.782 -57.432 1.00 20.00 ATOM 70 CA VAL B 511 -18.102 -18.445 -56.362 1.00 20.00 ATOM 71 CA LEU B 512 -20.983 -20.686 -57.621 1.00 20.00 ATOM 72 CA PRO B 513 -21.512 -23.702 -55.223 1.00 20.00 ATOM 73 CA GLY B 514 -22.402 -26.767 -57.405 1.00 20.00 ATOM 74 CA CYS B 515 -23.378 -30.422 -56.740 1.00 20.00 ATOM 75 CA ALA B 516 -21.431 -33.625 -57.736 1.00 20.00 ATOM 76 CA GLN B 517 -24.054 -34.988 -60.257 1.00 20.00 ATOM 77 CA PRO B 518 -23.807 -32.031 -62.792 1.00 20.00 ATOM 78 CA TRP B 519 -19.961 -32.351 -62.770 1.00 20.00 ATOM 79 CA ASN B 520 -20.136 -36.182 -63.184 1.00 20.00 ATOM 80 CA HIS B 521 -22.749 -35.951 -66.011 1.00 20.00 ATOM 81 CA GLY B 522 -21.045 -32.881 -67.655 1.00 20.00 ATOM 82 CA GLU B 523 -22.959 -29.548 -67.442 1.00 20.00 ATOM 83 CA THR B 524 -21.759 -26.261 -69.066 1.00 20.00 ATOM 84 CA PHE B 525 -20.681 -23.819 -66.292 1.00 20.00 ATOM 85 CA THR B 526 -20.402 -20.345 -67.914 1.00 20.00 ATOM 86 CA CYS B 527 -19.550 -16.976 -66.266 1.00 20.00 ATOM 87 CA THR B 528 -20.184 -13.595 -68.014 1.00 20.00 ATOM 88 CA ALA B 529 -18.730 -10.375 -66.473 1.00 20.00 ATOM 89 CA ALA B 530 -20.021 -7.187 -68.200 1.00 20.00 ATOM 90 CA HIS B 531 -18.679 -3.627 -67.639 1.00 20.00 ATOM 91 CA PRO B 532 -18.929 -0.149 -69.376 1.00 20.00 ATOM 92 CA GLU B 533 -15.290 -0.234 -70.708 1.00 20.00 ATOM 93 CA LEU B 534 -15.382 -4.070 -70.880 1.00 20.00 ATOM 94 CA LYS B 535 -17.976 -3.320 -73.652 1.00 20.00 ATOM 95 CA THR B 536 -17.818 -6.961 -74.910 1.00 20.00 ATOM 96 CA PRO B 537 -18.940 -9.142 -71.947 1.00 20.00 ATOM 97 CA LEU B 538 -16.200 -11.825 -71.654 1.00 20.00 ATOM 98 CA THR B 539 -17.805 -15.303 -71.833 1.00 20.00 ATOM 99 CA ALA B 540 -15.945 -18.265 -70.243 1.00 20.00 ATOM 100 CA ASN B 541 -17.206 -21.908 -70.246 1.00 20.00 ATOM 101 CA ILE B 542 -15.628 -24.971 -68.549 1.00 20.00 ATOM 102 CA THR B 543 -16.695 -28.675 -68.655 1.00 20.00 ATOM 103 CA LYS B 544 -15.030 -32.105 -68.314 1.00 20.00 ATOM 104 CA SER B 545 -12.760 -33.453 -71.130 1.00 20.00 ATOM 105 CA GLY B 546 -12.635 -36.390 -73.596 1.00 20.00 ATOM 106 CA ASN B 547 -15.087 -39.222 -74.349 1.00 20.00 ATOM 107 CA THR B 548 -15.861 -42.316 -72.209 1.00 20.00 ATOM 108 CA PHE B 549 -13.586 -45.427 -72.126 1.00 20.00 ATOM 109 CA ARG B 550 -14.352 -48.638 -70.140 1.00 20.00 ATOM 110 CA PRO B 551 -11.667 -49.395 -67.445 1.00 20.00 ATOM 111 CA GLU B 552 -9.926 -52.823 -67.565 1.00 20.00 ATOM 112 CA VAL B 553 -9.065 -53.941 -63.984 1.00 20.00 TER