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 99 SER THR LYS GLY PRO SER VAL PHE PRO LEU ALA PRO SER SEQRES 2 R 99 SER LYS SER THR SER GLY GLY THR ALA ALA LEU GLY CYS SEQRES 3 R 99 LEU VAL LYS ASP TYR PHE PRO GLN PRO VAL THR VAL SER SEQRES 4 R 99 TRP ASN SER GLY ALA LEU THR SER GLY VAL HIS THR PHE SEQRES 5 R 99 PRO ALA VAL LEU GLN SER SER GLY LEU TYR SER LEU SER SEQRES 6 R 99 SER VAL VAL THR VAL PRO SER SER SER LEU GLY THR GLN SEQRES 7 R 99 THR TYR ILE CYS ASN VAL ASN HIS LYS PRO SER ASN THR SEQRES 8 R 99 LYS VAL ASP LYS ARG VAL GLU PRO ATOM 1 CA SER R 120 111.544 85.398 -11.912 1.00 20.00 ATOM 2 CA THR R 121 113.043 83.557 -8.973 1.00 20.00 ATOM 3 CA LYS R 122 111.770 79.976 -8.883 1.00 20.00 ATOM 4 CA GLY R 123 112.873 77.325 -6.380 1.00 20.00 ATOM 5 CA PRO R 124 113.619 73.865 -7.847 1.00 20.00 ATOM 6 CA SER R 125 111.570 70.741 -7.969 1.00 20.00 ATOM 7 CA VAL R 126 113.686 67.890 -6.620 1.00 20.00 ATOM 8 CA PHE R 127 113.332 64.317 -7.943 1.00 20.00 ATOM 9 CA PRO R 128 115.318 61.275 -6.946 1.00 20.00 ATOM 10 CA LEU R 129 117.052 59.337 -9.747 1.00 20.00 ATOM 11 CA ALA R 130 116.817 55.867 -8.278 1.00 20.00 ATOM 12 CA PRO R 131 119.578 53.275 -8.685 1.00 20.00 ATOM 13 CA SER R 132 118.587 50.717 -11.344 1.00 20.00 ATOM 14 CA SER R 133 118.255 46.967 -10.632 1.00 20.00 ATOM 15 CA LYS R 134 119.694 46.355 -14.068 1.00 20.00 ATOM 16 CA SER R 135 123.272 45.368 -13.477 1.00 20.00 ATOM 17 CA THR R 136 126.225 46.932 -15.234 1.00 20.00 ATOM 18 CA SER R 137 129.611 45.440 -16.139 1.00 20.00 ATOM 19 CA GLY R 138 131.775 46.530 -13.202 1.00 20.00 ATOM 20 CA GLY R 139 131.419 47.584 -9.560 1.00 20.00 ATOM 21 CA THR R 140 129.075 50.433 -10.437 1.00 20.00 ATOM 22 CA ALA R 141 125.630 51.536 -9.402 1.00 20.00 ATOM 23 CA ALA R 142 124.586 55.051 -10.285 1.00 20.00 ATOM 24 CA LEU R 143 122.076 57.097 -8.366 1.00 20.00 ATOM 25 CA GLY R 144 121.329 60.843 -8.348 1.00 20.00 ATOM 26 CA CYS R 145 119.010 63.829 -8.016 1.00 20.00 ATOM 27 CA LEU R 146 117.240 65.884 -10.643 1.00 20.00 ATOM 28 CA VAL R 147 117.081 69.557 -9.757 1.00 20.00 ATOM 29 CA LYS R 148 114.556 70.793 -12.129 1.00 20.00 ATOM 30 CA ASP R 149 113.308 74.224 -13.351 1.00 20.00 ATOM 31 CA TYR R 150 114.965 76.762 -11.029 1.00 20.00 ATOM 32 CA PHE R 151 115.986 80.438 -11.379 1.00 20.00 ATOM 33 CA PRO R 152 118.478 81.816 -11.015 1.00 20.00 ATOM 34 CA GLN R 153 121.770 79.959 -10.725 1.00 20.00 ATOM 35 CA PRO R 154 123.357 78.703 -8.748 1.00 20.00 ATOM 36 CA VAL R 155 122.159 75.779 -6.645 1.00 20.00 ATOM 37 CA THR R 156 124.133 73.870 -4.060 1.00 20.00 ATOM 38 CA VAL R 157 123.874 70.079 -3.957 1.00 20.00 ATOM 39 CA SER R 158 125.672 67.899 -1.473 1.00 20.00 ATOM 40 CA TRP R 159 125.197 64.218 -0.441 1.00 20.00 ATOM 41 CA ASN R 160 124.573 62.795 2.994 1.00 20.00 ATOM 42 CA SER R 161 124.944 66.270 4.233 1.00 20.00 ATOM 43 CA GLY R 162 128.296 66.582 2.561 1.00 20.00 ATOM 44 CA ALA R 163 129.589 63.575 4.476 1.00 20.00 ATOM 45 CA LEU R 164 129.753 61.940 1.025 1.00 20.00 ATOM 46 CA THR R 165 132.138 63.334 -1.488 1.00 20.00 ATOM 47 CA SER R 166 133.503 60.165 -2.975 1.00 20.00 ATOM 48 CA GLY R 167 132.236 59.560 -6.515 1.00 20.00 ATOM 49 CA VAL R 168 129.832 62.437 -6.698 1.00 20.00 ATOM 50 CA HIS R 169 129.507 64.116 -10.071 1.00 20.00 ATOM 51 CA THR R 170 127.255 67.201 -10.358 1.00 20.00 ATOM 52 CA PHE R 171 126.826 68.244 -13.968 1.00 20.00 ATOM 53 CA PRO R 172 126.585 71.693 -15.438 1.00 20.00 ATOM 54 CA ALA R 173 122.991 72.871 -15.547 1.00 20.00 ATOM 55 CA VAL R 174 120.950 73.138 -18.787 1.00 20.00 ATOM 56 CA LEU R 175 119.280 76.516 -19.593 1.00 20.00 ATOM 57 CA GLN R 176 115.978 75.487 -21.003 1.00 20.00 ATOM 58 CA SER R 177 113.818 77.400 -23.487 1.00 20.00 ATOM 59 CA SER R 178 111.701 78.336 -20.460 1.00 20.00 ATOM 60 CA GLY R 179 114.361 80.547 -19.111 1.00 20.00 ATOM 61 CA LEU R 180 114.675 78.085 -16.242 1.00 20.00 ATOM 62 CA TYR R 181 117.578 75.790 -15.350 1.00 20.00 ATOM 63 CA SER R 182 117.844 72.112 -14.541 1.00 20.00 ATOM 64 CA LEU R 183 120.816 70.108 -13.293 1.00 20.00 ATOM 65 CA SER R 184 121.707 66.556 -12.324 1.00 20.00 ATOM 66 CA SER R 185 124.005 65.293 -9.595 1.00 20.00 ATOM 67 CA VAL R 186 125.015 61.619 -9.592 1.00 20.00 ATOM 68 CA VAL R 187 126.884 59.301 -7.290 1.00 20.00 ATOM 69 CA THR R 188 128.494 56.197 -8.661 1.00 20.00 ATOM 70 CA VAL R 189 128.638 53.699 -5.791 1.00 20.00 ATOM 71 CA PRO R 190 129.775 50.028 -5.573 1.00 20.00 ATOM 72 CA SER R 191 126.608 48.083 -6.093 1.00 20.00 ATOM 73 CA SER R 192 127.218 46.059 -2.911 1.00 20.00 ATOM 74 CA SER R 193 126.393 49.123 -0.755 1.00 20.00 ATOM 75 CA LEU R 194 123.182 49.948 -2.499 1.00 20.00 ATOM 76 CA GLY R 195 120.640 48.896 0.006 1.00 20.00 ATOM 77 CA THR R 196 123.244 48.438 2.770 1.00 20.00 ATOM 78 CA GLN R 197 123.430 52.256 2.994 1.00 20.00 ATOM 79 CA THR R 198 121.320 55.474 2.762 1.00 20.00 ATOM 80 CA TYR R 199 121.728 58.280 0.247 1.00 20.00 ATOM 81 CA ILE R 200 120.075 61.653 0.501 1.00 20.00 ATOM 82 CA CYS R 201 120.861 64.666 -1.646 1.00 20.00 ATOM 83 CA ASN R 202 120.660 68.044 0.119 1.00 20.00 ATOM 84 CA VAL R 203 119.580 70.798 -2.238 1.00 20.00 ATOM 85 CA ASN R 204 119.916 74.453 -1.344 1.00 20.00 ATOM 86 CA HIS R 205 118.655 77.201 -3.573 1.00 20.00 ATOM 87 CA LYS R 206 119.738 80.355 -1.735 1.00 20.00 ATOM 88 CA PRO R 207 117.955 82.931 -4.008 1.00 20.00 ATOM 89 CA SER R 208 114.549 81.393 -3.229 1.00 20.00 ATOM 90 CA ASN R 209 115.500 80.015 0.139 1.00 20.00 ATOM 91 CA THR R 210 114.338 76.571 -1.056 1.00 20.00 ATOM 92 CA LYS R 211 116.040 73.810 0.959 1.00 20.00 ATOM 93 CA VAL R 212 115.105 70.227 0.055 1.00 20.00 ATOM 94 CA ASP R 213 116.478 66.831 1.084 1.00 20.00 ATOM 95 CA LYS R 214 115.539 63.957 -1.135 1.00 20.00 ATOM 96 CA ARG R 215 116.111 60.343 0.033 1.00 20.00 ATOM 97 CA VAL R 216 115.925 57.158 -1.574 1.00 20.00 ATOM 98 CA GLU R 217 116.373 53.518 -2.634 1.00 20.00 ATOM 99 CA PRO R 218 116.050 50.248 -4.824 1.00 20.00 TER