HEADER IMMUNE SYSTEM 20-SEP-07 2RCJ TITLE Solution structure of human Immunoglobulin M COMPND MOL_ID: 1; COMPND 2 MOLECULE: Immunoglobulin M heavy chain; COMPND 3 CHAIN: A, B, E, F, I, J, M, N, Q, R; EXPDTA SOLUTION SCATTERING DBREF 2RCJ A 1 218 PDB 2RCJ 2RCJ 1 218 SEQRES 1 A 106 VAL VAL GLN PRO GLY ARG SER LEU ARG LEU SER CYS SER SEQRES 2 A 106 SER SER GLY PHE ILE PHE SER SER TYR ALA MET TYR TRP SEQRES 3 A 106 VAL ARG GLN ALA PRO GLY LYS GLY LEU GLU TRP VAL ALA SEQRES 4 A 106 ILE ILE TRP ASP ASP GLY SER ASP GLN HIS TYR ALA ASP SEQRES 5 A 106 SER VAL LYS GLY ARG PHE THR ILE SER ARG ASN ASP SER SEQRES 6 A 106 LYS ASN THR LEU PHE LEU GLN MET ASP SER LEU ARG PRO SEQRES 7 A 106 GLU ASP THR GLY VAL TYR PHE CYS ALA ARG ASP GLY GLY SEQRES 8 A 106 SER SER ALA PRO ASP TYR TRP GLY GLN GLY THR PRO VAL SEQRES 9 A 106 THR VAL ATOM 1 CA VAL A 11 46.090 133.444 -12.895 1.00 20.00 ATOM 2 CA VAL A 12 49.060 131.944 -11.045 1.00 20.00 ATOM 3 CA GLN A 13 49.895 130.182 -7.826 1.00 20.00 ATOM 4 CA PRO A 14 52.080 131.666 -5.032 1.00 20.00 ATOM 5 CA GLY A 15 55.766 131.972 -5.737 1.00 20.00 ATOM 6 CA ARG A 16 55.343 132.020 -9.523 1.00 20.00 ATOM 7 CA SER A 17 56.038 134.794 -12.071 1.00 20.00 ATOM 8 CA LEU A 18 54.390 137.046 -14.610 1.00 20.00 ATOM 9 CA ARG A 19 55.437 139.807 -16.957 1.00 20.00 ATOM 10 CA LEU A 20 53.186 142.697 -17.844 1.00 20.00 ATOM 11 CA SER A 21 53.615 144.945 -20.833 1.00 20.00 ATOM 12 CA CYS A 22 52.177 148.349 -21.679 1.00 20.00 ATOM 13 CA SER A 23 52.308 149.386 -25.262 1.00 20.00 ATOM 14 CA SER A 24 51.852 153.030 -26.136 1.00 20.00 ATOM 15 CA SER A 25 51.029 155.397 -29.037 1.00 20.00 ATOM 16 CA GLY A 26 50.042 159.069 -29.623 1.00 20.00 ATOM 17 CA PHE A 27 53.073 160.625 -27.831 1.00 20.00 ATOM 18 CA ILE A 28 56.882 160.770 -27.687 1.00 20.00 ATOM 19 CA PHE A 29 57.219 157.924 -25.269 1.00 20.00 ATOM 20 CA SER A 30 60.839 158.560 -24.298 1.00 20.00 ATOM 21 CA SER A 31 59.944 161.981 -22.846 1.00 20.00 ATOM 22 CA TYR A 32 57.778 160.942 -19.981 1.00 20.00 ATOM 23 CA ALA A 33 58.035 158.989 -16.746 1.00 20.00 ATOM 24 CA MET A 34 55.733 155.934 -16.664 1.00 20.00 ATOM 25 CA TYR A 35 53.818 154.337 -13.768 1.00 20.00 ATOM 26 CA TRP A 36 52.387 151.012 -12.679 1.00 20.00 ATOM 27 CA VAL A 37 49.370 151.225 -10.314 1.00 20.00 ATOM 28 CA ARG A 38 47.222 148.371 -9.087 1.00 20.00 ATOM 29 CA GLN A 39 43.779 147.820 -7.602 1.00 20.00 ATOM 30 CA ALA A 40 42.864 144.841 -5.414 1.00 20.00 ATOM 31 CA PRO A 41 39.245 143.813 -5.665 1.00 20.00 ATOM 32 CA GLY A 42 37.161 145.960 -3.385 1.00 20.00 ATOM 33 CA LYS A 43 40.102 148.134 -2.449 1.00 20.00 ATOM 34 CA GLY A 44 41.625 151.459 -3.509 1.00 20.00 ATOM 35 CA LEU A 45 44.383 152.507 -5.941 1.00 20.00 ATOM 36 CA GLU A 46 47.897 151.463 -4.852 1.00 20.00 ATOM 37 CA TRP A 47 50.997 152.830 -6.663 1.00 20.00 ATOM 38 CA VAL A 48 53.525 150.122 -7.620 1.00 20.00 ATOM 39 CA ALA A 49 56.409 151.779 -9.444 1.00 20.00 ATOM 40 CA ILE A 50 57.738 154.672 -11.511 1.00 20.00 ATOM 41 CA ILE A 51 60.524 154.787 -14.078 1.00 20.00 ATOM 42 CA TRP A 52 62.210 157.927 -15.443 1.00 20.00 ATOM 43 CA ASP A 53 62.016 158.969 -19.087 1.00 20.00 ATOM 44 CA ASP A 54 65.488 157.541 -19.871 1.00 20.00 ATOM 45 CA GLY A 55 65.151 154.669 -17.375 1.00 20.00 ATOM 46 CA SER A 56 68.075 156.008 -15.375 1.00 20.00 ATOM 47 CA ASP A 57 66.240 155.454 -12.145 1.00 20.00 ATOM 48 CA GLN A 58 63.217 153.572 -10.870 1.00 20.00 ATOM 49 CA HIS A 59 61.290 153.653 -7.561 1.00 20.00 ATOM 50 CA TYR A 60 59.062 151.017 -5.965 1.00 20.00 ATOM 51 CA ALA A 61 56.343 150.594 -3.330 1.00 20.00 ATOM 52 CA ASP A 62 57.767 148.961 -0.169 1.00 20.00 ATOM 53 CA SER A 63 55.495 145.880 -0.600 1.00 20.00 ATOM 54 CA VAL A 64 57.015 145.060 -3.950 1.00 20.00 ATOM 55 CA LYS A 65 60.622 146.070 -3.759 1.00 20.00 ATOM 56 CA GLY A 66 62.900 143.297 -4.875 1.00 20.00 ATOM 57 CA ARG A 67 60.163 141.091 -6.342 1.00 20.00 ATOM 58 CA PHE A 68 59.088 143.502 -9.105 1.00 20.00 ATOM 59 CA THR A 69 61.216 145.155 -11.809 1.00 20.00 ATOM 60 CA ILE A 70 60.056 148.097 -13.913 1.00 20.00 ATOM 61 CA SER A 71 61.863 148.665 -17.161 1.00 20.00 ATOM 62 CA ARG A 72 61.176 150.225 -20.532 1.00 20.00 ATOM 63 CA ASN A 73 62.097 150.069 -24.162 1.00 20.00 ATOM 64 CA ASP A 74 61.981 153.574 -25.662 1.00 20.00 ATOM 65 CA SER A 75 62.800 151.999 -28.952 1.00 20.00 ATOM 66 CA LYS A 76 59.600 150.035 -28.965 1.00 20.00 ATOM 67 CA ASN A 77 57.545 152.522 -26.869 1.00 20.00 ATOM 68 CA THR A 78 56.806 149.728 -24.275 1.00 20.00 ATOM 69 CA LEU A 79 56.801 149.544 -20.516 1.00 20.00 ATOM 70 CA PHE A 80 57.370 146.246 -18.647 1.00 20.00 ATOM 71 CA LEU A 81 56.627 144.908 -15.189 1.00 20.00 ATOM 72 CA GLN A 82 58.508 141.701 -14.234 1.00 20.00 ATOM 73 CA MET A 83 56.702 140.239 -11.284 1.00 20.00 ATOM 74 CA ASP A 84 58.605 137.564 -9.393 1.00 20.00 ATOM 75 CA SER A 85 57.693 135.437 -6.338 1.00 20.00 ATOM 76 CA LEU A 86 54.110 136.572 -6.520 1.00 20.00 ATOM 77 CA ARG A 87 51.935 136.615 -3.390 1.00 20.00 ATOM 78 CA PRO A 88 48.138 136.356 -3.017 1.00 20.00 ATOM 79 CA GLU A 89 48.136 139.961 -1.845 1.00 20.00 ATOM 80 CA ASP A 90 49.365 140.951 -5.263 1.00 20.00 ATOM 81 CA THR A 91 46.012 140.088 -6.780 1.00 20.00 ATOM 82 CA GLY A 92 44.559 143.110 -8.570 1.00 20.00 ATOM 83 CA VAL A 93 43.982 145.005 -11.791 1.00 20.00 ATOM 84 CA TYR A 94 47.245 146.515 -13.053 1.00 20.00 ATOM 85 CA PHE A 95 47.250 149.869 -14.818 1.00 20.00 ATOM 86 CA CYS A 96 50.043 151.647 -16.537 1.00 20.00 ATOM 87 CA ALA A 97 49.937 155.424 -16.642 1.00 20.00 ATOM 88 CA ARG A 98 51.901 158.296 -18.123 1.00 20.00 ATOM 89 CA ASP A 99 53.463 160.946 -15.878 1.00 20.00 ATOM 90 CA GLY A 100 52.296 164.257 -17.278 1.00 20.00 ATOM 91 CA GLY A 101 55.428 166.247 -16.436 1.00 20.00 ATOM 92 CA SER A 102 55.785 163.774 -13.403 1.00 20.00 ATOM 93 CA SER A 103 55.990 161.508 -10.351 1.00 20.00 ATOM 94 CA ALA A 104 52.567 160.302 -11.451 1.00 20.00 ATOM 95 CA PRO A 105 49.516 160.206 -13.705 1.00 20.00 ATOM 96 CA ASP A 106 47.707 161.916 -16.518 1.00 20.00 ATOM 97 CA TYR A 107 46.589 159.312 -18.943 1.00 20.00 ATOM 98 CA TRP A 108 45.839 155.732 -17.854 1.00 20.00 ATOM 99 CA GLY A 109 45.489 152.375 -19.600 1.00 20.00 ATOM 100 CA GLN A 110 42.558 149.971 -19.276 1.00 20.00 ATOM 101 CA GLY A 111 44.031 147.484 -16.789 1.00 20.00 ATOM 102 CA THR A 112 45.187 143.887 -16.926 1.00 20.00 ATOM 103 CA PRO A 113 43.966 141.549 -14.110 1.00 20.00 ATOM 104 CA VAL A 114 46.333 139.490 -11.984 1.00 20.00 ATOM 105 CA THR A 115 45.081 136.664 -9.768 1.00 20.00 ATOM 106 CA VAL A 116 47.447 134.911 -7.349 1.00 20.00 TER