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 R 1 218 PDB 2RCJ 2RCJ 1 218 SEQRES 1 R 106 VAL VAL GLN PRO GLY ARG SER LEU ARG LEU SER CYS SER SEQRES 2 R 106 SER SER GLY PHE ILE PHE SER SER TYR ALA MET TYR TRP SEQRES 3 R 106 VAL ARG GLN ALA PRO GLY LYS GLY LEU GLU TRP VAL ALA SEQRES 4 R 106 ILE ILE TRP ASP ASP GLY SER ASP GLN HIS TYR ALA ASP SEQRES 5 R 106 SER VAL LYS GLY ARG PHE THR ILE SER ARG ASN ASP SER SEQRES 6 R 106 LYS ASN THR LEU PHE LEU GLN MET ASP SER LEU ARG PRO SEQRES 7 R 106 GLU ASP THR GLY VAL TYR PHE CYS ALA ARG ASP GLY GLY SEQRES 8 R 106 SER SER ALA PRO ASP TYR TRP GLY GLN GLY THR PRO VAL SEQRES 9 R 106 THR VAL ATOM 1 CA VAL R 11 120.010 89.382 -11.246 1.00 20.00 ATOM 2 CA VAL R 12 117.272 91.735 -12.458 1.00 20.00 ATOM 3 CA GLN R 13 114.277 91.787 -14.736 1.00 20.00 ATOM 4 CA PRO R 14 114.035 93.849 -17.973 1.00 20.00 ATOM 5 CA GLY R 15 113.718 97.582 -17.589 1.00 20.00 ATOM 6 CA ARG R 16 115.297 97.662 -14.124 1.00 20.00 ATOM 7 CA SER R 17 118.587 99.213 -12.921 1.00 20.00 ATOM 8 CA LEU R 18 121.952 98.382 -11.430 1.00 20.00 ATOM 9 CA ARG R 19 125.071 100.247 -10.421 1.00 20.00 ATOM 10 CA LEU R 20 128.521 98.748 -10.673 1.00 20.00 ATOM 11 CA SER R 21 131.568 99.991 -8.848 1.00 20.00 ATOM 12 CA CYS R 22 135.271 99.379 -9.375 1.00 20.00 ATOM 13 CA SER R 23 137.530 100.169 -6.511 1.00 20.00 ATOM 14 CA SER R 24 141.231 100.561 -7.146 1.00 20.00 ATOM 15 CA SER R 25 144.643 100.601 -5.399 1.00 20.00 ATOM 16 CA GLY R 26 148.383 100.446 -6.288 1.00 20.00 ATOM 17 CA PHE R 27 148.389 103.474 -8.666 1.00 20.00 ATOM 18 CA ILE R 28 147.576 107.186 -9.002 1.00 20.00 ATOM 19 CA PHE R 29 144.031 106.639 -10.096 1.00 20.00 ATOM 20 CA SER R 30 143.389 110.160 -11.377 1.00 20.00 ATOM 21 CA SER R 31 146.109 109.786 -14.038 1.00 20.00 ATOM 22 CA TYR R 32 144.595 107.111 -16.166 1.00 20.00 ATOM 23 CA ALA R 33 141.558 106.560 -18.361 1.00 20.00 ATOM 24 CA MET R 34 139.328 103.705 -17.130 1.00 20.00 ATOM 25 CA TYR R 35 137.244 101.160 -19.073 1.00 20.00 ATOM 26 CA TRP R 36 134.188 98.968 -18.691 1.00 20.00 ATOM 27 CA VAL R 37 134.184 95.778 -20.826 1.00 20.00 ATOM 28 CA ARG R 38 131.662 92.967 -20.732 1.00 20.00 ATOM 29 CA GLN R 39 131.408 89.324 -21.740 1.00 20.00 ATOM 30 CA ALA R 40 128.122 87.564 -22.523 1.00 20.00 ATOM 31 CA PRO R 41 128.140 83.873 -21.744 1.00 20.00 ATOM 32 CA GLY R 42 129.682 81.985 -24.610 1.00 20.00 ATOM 33 CA LYS R 43 130.587 85.158 -26.447 1.00 20.00 ATOM 34 CA GLY R 44 133.613 87.432 -26.859 1.00 20.00 ATOM 35 CA LEU R 45 134.831 90.632 -25.155 1.00 20.00 ATOM 36 CA GLU R 46 132.665 93.698 -25.870 1.00 20.00 ATOM 37 CA TRP R 47 133.855 97.214 -24.874 1.00 20.00 ATOM 38 CA VAL R 48 131.203 99.253 -23.014 1.00 20.00 ATOM 39 CA ALA R 49 132.709 102.618 -22.115 1.00 20.00 ATOM 40 CA ILE R 50 135.773 104.746 -21.425 1.00 20.00 ATOM 41 CA ILE R 51 136.203 107.803 -19.224 1.00 20.00 ATOM 42 CA TRP R 52 139.140 110.242 -19.292 1.00 20.00 ATOM 43 CA ASP R 53 141.502 110.722 -16.361 1.00 20.00 ATOM 44 CA ASP R 54 139.712 113.913 -15.205 1.00 20.00 ATOM 45 CA GLY R 55 136.272 112.697 -16.336 1.00 20.00 ATOM 46 CA SER R 56 136.031 115.549 -18.814 1.00 20.00 ATOM 47 CA ASP R 57 134.734 113.244 -21.481 1.00 20.00 ATOM 48 CA GLN R 58 133.271 109.771 -21.782 1.00 20.00 ATOM 49 CA HIS R 59 132.532 107.494 -24.774 1.00 20.00 ATOM 50 CA TYR R 60 130.087 104.602 -25.100 1.00 20.00 ATOM 51 CA ALA R 61 129.340 101.540 -27.243 1.00 20.00 ATOM 52 CA ASP R 62 126.346 102.197 -29.541 1.00 20.00 ATOM 53 CA SER R 63 124.281 99.433 -27.833 1.00 20.00 ATOM 54 CA VAL R 64 124.466 101.171 -24.494 1.00 20.00 ATOM 55 CA LYS R 65 124.459 104.853 -25.208 1.00 20.00 ATOM 56 CA GLY R 66 121.867 106.657 -23.167 1.00 20.00 ATOM 57 CA ARG R 67 121.088 103.745 -20.840 1.00 20.00 ATOM 58 CA PHE R 68 124.546 103.532 -19.228 1.00 20.00 ATOM 59 CA THR R 69 126.556 106.271 -17.492 1.00 20.00 ATOM 60 CA ILE R 70 130.260 105.998 -16.691 1.00 20.00 ATOM 61 CA SER R 71 131.581 108.280 -14.010 1.00 20.00 ATOM 62 CA ARG R 72 134.418 108.351 -11.517 1.00 20.00 ATOM 63 CA ASN R 73 135.443 109.676 -8.164 1.00 20.00 ATOM 64 CA ASP R 74 139.179 110.451 -8.183 1.00 20.00 ATOM 65 CA SER R 75 138.827 111.352 -4.573 1.00 20.00 ATOM 66 CA LYS R 76 137.818 107.854 -3.653 1.00 20.00 ATOM 67 CA ASN R 77 139.728 106.086 -6.489 1.00 20.00 ATOM 68 CA THR R 78 136.413 104.481 -7.723 1.00 20.00 ATOM 69 CA LEU R 79 134.822 103.962 -11.093 1.00 20.00 ATOM 70 CA PHE R 80 131.028 103.620 -11.513 1.00 20.00 ATOM 71 CA LEU R 81 128.689 102.192 -14.119 1.00 20.00 ATOM 72 CA GLN R 82 125.016 103.263 -13.788 1.00 20.00 ATOM 73 CA MET R 83 123.008 100.839 -15.839 1.00 20.00 ATOM 74 CA ASP R 84 119.452 101.916 -16.577 1.00 20.00 ATOM 75 CA SER R 85 116.599 100.220 -18.493 1.00 20.00 ATOM 76 CA LEU R 86 118.520 96.986 -18.642 1.00 20.00 ATOM 77 CA ARG R 87 117.876 94.484 -21.445 1.00 20.00 ATOM 78 CA PRO R 88 118.388 90.695 -21.538 1.00 20.00 ATOM 79 CA GLU R 89 121.169 91.263 -24.048 1.00 20.00 ATOM 80 CA ASP R 90 123.068 93.087 -21.358 1.00 20.00 ATOM 81 CA THR R 91 123.653 89.850 -19.497 1.00 20.00 ATOM 82 CA GLY R 92 127.376 89.268 -19.004 1.00 20.00 ATOM 83 CA VAL R 93 130.430 89.493 -16.787 1.00 20.00 ATOM 84 CA TYR R 94 131.502 93.125 -16.358 1.00 20.00 ATOM 85 CA PHE R 95 135.173 94.023 -16.079 1.00 20.00 ATOM 86 CA CYS R 96 136.768 97.307 -15.320 1.00 20.00 ATOM 87 CA ALA R 97 140.213 97.969 -16.725 1.00 20.00 ATOM 88 CA ARG R 98 142.890 100.638 -16.587 1.00 20.00 ATOM 89 CA ASP R 99 144.046 102.396 -19.761 1.00 20.00 ATOM 90 CA GLY R 100 147.812 102.100 -19.754 1.00 20.00 ATOM 91 CA GLY R 101 148.546 105.433 -21.438 1.00 20.00 ATOM 92 CA SER R 102 146.799 105.035 -24.606 1.00 20.00 ATOM 93 CA SER R 103 144.691 102.697 -26.748 1.00 20.00 ATOM 94 CA ALA R 104 144.682 100.464 -23.682 1.00 20.00 ATOM 95 CA PRO R 105 143.477 98.138 -21.307 1.00 20.00 ATOM 96 CA ASP R 106 146.499 97.078 -19.341 1.00 20.00 ATOM 97 CA TYR R 107 145.348 95.782 -16.038 1.00 20.00 ATOM 98 CA TRP R 108 141.905 94.202 -15.580 1.00 20.00 ATOM 99 CA GLY R 109 139.643 93.416 -12.629 1.00 20.00 ATOM 100 CA GLN R 110 138.052 90.049 -11.856 1.00 20.00 ATOM 101 CA GLY R 111 134.536 90.670 -13.197 1.00 20.00 ATOM 102 CA THR R 112 131.100 91.095 -11.683 1.00 20.00 ATOM 103 CA PRO R 113 128.221 89.084 -13.284 1.00 20.00 ATOM 104 CA VAL R 114 125.019 90.705 -14.502 1.00 20.00 ATOM 105 CA THR R 115 121.940 88.645 -15.357 1.00 20.00 ATOM 106 CA VAL R 116 118.899 90.288 -16.966 1.00 20.00 TER