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 122 GLN VAL LYS LEU LEU GLU GLN SER GLY ALA GLU VAL LYS SEQRES 2 B 122 LYS PRO GLY ALA SER VAL LYS VAL SER CYS LYS ALA SER SEQRES 3 B 122 GLY TYR SER PHE THR SER TYR GLY LEU HIS TRP VAL ARG SEQRES 4 B 122 GLN ALA PRO GLY GLN ARG LEU GLU TRP MET GLY TRP ILE SEQRES 5 B 122 SER ALA GLY THR GLY ASN THR LYS TYR SER GLN LYS PHE SEQRES 6 B 122 ARG GLY ARG VAL THR PHE THR ARG ASP THR SER ALA THR SEQRES 7 B 122 THR ALA TYR MET GLY LEU SER SER LEU ARG PRO GLU ASP SEQRES 8 B 122 THR ALA VAL TYR TYR CYS ALA ARG ASP PRO TYR GLY GLY SEQRES 9 B 122 GLY LYS SER GLU PHE ASP TYR TRP GLY GLN GLY THR LEU SEQRES 10 B 122 VAL THR VAL SER SER ATOM 1 CA GLN B 1 -93.426 -11.193 -20.936 1.00 0.00 ATOM 2 CA VAL B 2 -91.667 -9.068 -23.605 1.00 0.00 ATOM 3 CA LYS B 3 -92.551 -6.578 -20.886 1.00 0.00 ATOM 4 CA LEU B 4 -96.165 -6.797 -19.471 1.00 0.00 ATOM 5 CA LEU B 5 -97.530 -3.425 -20.660 1.00 0.00 ATOM 6 CA GLU B 6 -95.307 -2.037 -23.520 1.00 0.00 ATOM 7 CA GLN B 7 -95.614 1.277 -25.354 1.00 0.00 ATOM 8 CA SER B 8 -94.802 2.706 -28.830 1.00 0.00 ATOM 9 CA GLY B 9 -91.627 4.891 -28.775 1.00 0.00 ATOM 10 CA ALA B 10 -91.250 8.636 -29.150 1.00 0.00 ATOM 11 CA GLU B 11 -92.220 11.160 -31.124 1.00 0.00 ATOM 12 CA VAL B 12 -91.907 14.658 -32.372 1.00 0.00 ATOM 13 CA LYS B 13 -95.076 16.258 -33.695 1.00 0.00 ATOM 14 CA LYS B 14 -95.578 19.787 -35.066 1.00 0.00 ATOM 15 CA PRO B 15 -97.940 22.124 -33.036 1.00 0.00 ATOM 16 CA GLY B 16 -101.518 21.586 -34.382 1.00 0.00 ATOM 17 CA ALA B 17 -100.907 17.908 -35.314 1.00 0.00 ATOM 18 CA SER B 18 -102.238 14.767 -33.590 1.00 0.00 ATOM 19 CA VAL B 19 -100.272 11.934 -31.908 1.00 0.00 ATOM 20 CA LYS B 20 -101.378 8.300 -31.416 1.00 0.00 ATOM 21 CA VAL B 21 -99.692 6.366 -28.584 1.00 0.00 ATOM 22 CA SER B 22 -100.195 2.564 -28.253 1.00 0.00 ATOM 23 CA CYS B 23 -99.945 0.219 -25.277 1.00 0.00 ATOM 24 CA LYS B 24 -99.707 -3.570 -25.949 1.00 0.00 ATOM 25 CA ALA B 25 -100.675 -5.857 -23.000 1.00 0.00 ATOM 26 CA SER B 26 -98.839 -9.263 -22.808 1.00 0.00 ATOM 27 CA GLY B 27 -99.031 -12.125 -20.204 1.00 0.00 ATOM 28 CA TYR B 28 -102.426 -11.327 -18.555 1.00 0.00 ATOM 29 CA SER B 29 -106.063 -11.550 -19.858 1.00 0.00 ATOM 30 CA PHE B 30 -106.455 -8.148 -21.652 1.00 0.00 ATOM 31 CA THR B 31 -110.324 -7.879 -21.475 1.00 0.00 ATOM 32 CA SER B 32 -110.484 -8.521 -17.652 1.00 0.00 ATOM 33 CA TYR B 33 -108.921 -5.106 -16.683 1.00 0.00 ATOM 34 CA GLY B 34 -109.162 -1.408 -17.523 1.00 0.00 ATOM 35 CA LEU B 35 -106.185 0.734 -18.640 1.00 0.00 ATOM 36 CA HIS B 36 -105.537 4.256 -17.328 1.00 0.00 ATOM 37 CA TRP B 37 -103.588 6.974 -19.285 1.00 0.00 ATOM 38 CA VAL B 38 -101.361 9.398 -17.314 1.00 0.00 ATOM 39 CA ARG B 39 -98.836 12.039 -18.421 1.00 0.00 ATOM 40 CA GLN B 40 -95.851 13.794 -16.819 1.00 0.00 ATOM 41 CA ALA B 41 -94.713 17.141 -18.300 1.00 0.00 ATOM 42 CA PRO B 42 -91.035 18.068 -17.529 1.00 0.00 ATOM 43 CA GLY B 43 -90.542 19.008 -13.829 1.00 0.00 ATOM 44 CA GLN B 44 -94.254 18.515 -13.127 1.00 0.00 ATOM 45 CA ARG B 45 -96.531 16.125 -11.269 1.00 0.00 ATOM 46 CA LEU B 46 -98.322 13.208 -12.936 1.00 0.00 ATOM 47 CA GLU B 47 -101.673 14.171 -14.493 1.00 0.00 ATOM 48 CA TRP B 48 -104.475 11.635 -15.029 1.00 0.00 ATOM 49 CA MET B 49 -105.984 11.910 -18.592 1.00 0.00 ATOM 50 CA GLY B 50 -108.490 9.033 -18.918 1.00 0.00 ATOM 51 CA TRP B 51 -109.364 5.318 -18.669 1.00 0.00 ATOM 52 CA ILE B 52 -110.694 2.603 -21.041 1.00 0.00 ATOM 53 CA SER B 53 -112.381 -0.725 -20.112 1.00 0.00 ATOM 54 CA ALA B 54 -110.716 -3.369 -22.422 1.00 0.00 ATOM 55 CA GLY B 55 -113.869 -5.589 -22.206 1.00 0.00 ATOM 56 CA THR B 56 -116.645 -3.045 -23.138 1.00 0.00 ATOM 57 CA GLY B 57 -114.584 -0.274 -24.876 1.00 0.00 ATOM 58 CA ASN B 58 -116.189 2.283 -22.447 1.00 0.00 ATOM 59 CA THR B 59 -114.406 5.482 -21.774 1.00 0.00 ATOM 60 CA LYS B 60 -113.843 8.005 -18.981 1.00 0.00 ATOM 61 CA TYR B 61 -111.675 11.107 -19.228 1.00 0.00 ATOM 62 CA SER B 62 -110.435 14.289 -17.572 1.00 0.00 ATOM 63 CA GLN B 63 -112.455 17.343 -18.715 1.00 0.00 ATOM 64 CA LYS B 64 -109.079 19.201 -19.020 1.00 0.00 ATOM 65 CA PHE B 65 -108.788 17.202 -22.352 1.00 0.00 ATOM 66 CA ARG B 66 -112.511 17.666 -23.330 1.00 0.00 ATOM 67 CA GLY B 67 -112.933 17.510 -27.119 1.00 0.00 ATOM 68 CA ARG B 68 -109.293 16.522 -27.988 1.00 0.00 ATOM 69 CA VAL B 69 -108.545 13.077 -26.394 1.00 0.00 ATOM 70 CA THR B 70 -109.778 9.669 -27.784 1.00 0.00 ATOM 71 CA PHE B 71 -109.310 6.134 -26.266 1.00 0.00 ATOM 72 CA THR B 72 -109.572 2.965 -28.396 1.00 0.00 ATOM 73 CA ARG B 73 -108.733 -0.743 -27.830 1.00 0.00 ATOM 74 CA ASP B 74 -108.019 -3.441 -30.449 1.00 0.00 ATOM 75 CA THR B 75 -109.196 -6.450 -28.431 1.00 0.00 ATOM 76 CA SER B 76 -107.732 -9.039 -30.946 1.00 0.00 ATOM 77 CA ALA B 77 -104.203 -7.421 -31.058 1.00 0.00 ATOM 78 CA THR B 78 -104.523 -6.790 -27.278 1.00 0.00 ATOM 79 CA THR B 79 -103.471 -3.127 -27.678 1.00 0.00 ATOM 80 CA ALA B 80 -105.055 0.080 -26.328 1.00 0.00 ATOM 81 CA TYR B 81 -104.421 3.523 -27.906 1.00 0.00 ATOM 82 CA MET B 82 -104.798 7.132 -26.901 1.00 0.00 ATOM 83 CA GLY B 83 -105.217 9.793 -29.602 1.00 0.00 ATOM 84 CA LEU B 84 -104.352 13.418 -28.631 1.00 0.00 ATOM 85 CA SER B 85 -105.398 16.119 -31.166 1.00 0.00 ATOM 86 CA SER B 86 -104.555 19.847 -31.601 1.00 0.00 ATOM 87 CA LEU B 87 -101.078 19.497 -30.079 1.00 0.00 ATOM 88 CA ARG B 88 -99.684 22.528 -28.232 1.00 0.00 ATOM 89 CA PRO B 89 -96.014 22.918 -27.026 1.00 0.00 ATOM 90 CA GLU B 90 -97.217 22.213 -23.397 1.00 0.00 ATOM 91 CA ASP B 91 -98.254 18.649 -24.466 1.00 0.00 ATOM 92 CA THR B 92 -94.469 17.816 -24.473 1.00 0.00 ATOM 93 CA ALA B 93 -94.547 15.108 -21.783 1.00 0.00 ATOM 94 CA VAL B 94 -94.035 11.385 -21.102 1.00 0.00 ATOM 95 CA TYR B 95 -97.334 9.485 -21.725 1.00 0.00 ATOM 96 CA TYR B 96 -97.824 6.340 -19.634 1.00 0.00 ATOM 97 CA CYS B 97 -100.511 3.717 -19.809 1.00 0.00 ATOM 98 CA ALA B 98 -101.046 1.951 -16.441 1.00 0.00 ATOM 99 CA ARG B 99 -103.280 -0.949 -15.393 1.00 0.00 ATOM 100 CA ASP B 100 -106.512 -0.735 -13.336 1.00 0.00 ATOM 101 CA PRO B 101 -106.306 -3.998 -11.210 1.00 0.00 ATOM 102 CA TYR B 102 -110.148 -4.227 -10.889 1.00 0.00 ATOM 103 CA GLY B 103 -111.695 -2.997 -14.225 1.00 0.00 ATOM 104 CA GLY B 104 -113.922 -0.307 -12.553 1.00 0.00 ATOM 105 CA GLY B 105 -112.137 2.990 -13.490 1.00 0.00 ATOM 106 CA LYS B 106 -111.245 4.335 -10.022 1.00 0.00 ATOM 107 CA SER B 107 -108.183 2.569 -8.651 1.00 0.00 ATOM 108 CA GLU B 108 -104.488 2.684 -7.783 1.00 0.00 ATOM 109 CA PHE B 109 -102.378 1.534 -10.826 1.00 0.00 ATOM 110 CA ASP B 110 -100.404 -1.739 -10.256 1.00 0.00 ATOM 111 CA TYR B 111 -98.489 -2.120 -13.629 1.00 0.00 ATOM 112 CA TRP B 112 -97.168 0.804 -15.654 1.00 0.00 ATOM 113 CA GLY B 113 -95.985 0.926 -19.255 1.00 0.00 ATOM 114 CA GLN B 114 -92.497 2.451 -19.810 1.00 0.00 ATOM 115 CA GLY B 115 -93.609 5.852 -21.190 1.00 0.00 ATOM 116 CA THR B 116 -93.431 7.486 -24.641 1.00 0.00 ATOM 117 CA LEU B 117 -92.075 10.999 -24.817 1.00 0.00 ATOM 118 CA VAL B 118 -94.048 13.130 -27.298 1.00 0.00 ATOM 119 CA THR B 119 -92.242 16.376 -28.068 1.00 0.00 ATOM 120 CA VAL B 120 -94.318 19.121 -29.747 1.00 0.00 ATOM 121 CA SER B 121 -92.003 21.312 -31.942 1.00 0.00 ATOM 122 CA SER B 122 -91.367 23.207 -35.241 1.00 0.00 TER