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 B 1 218 PDB 2RCJ 2RCJ 1 218 SEQRES 1 B 99 SER THR LYS GLY PRO SER VAL PHE PRO LEU ALA PRO SER SEQRES 2 B 99 SER LYS SER THR SER GLY GLY THR ALA ALA LEU GLY CYS SEQRES 3 B 99 LEU VAL LYS ASP TYR PHE PRO GLN PRO VAL THR VAL SER SEQRES 4 B 99 TRP ASN SER GLY ALA LEU THR SER GLY VAL HIS THR PHE SEQRES 5 B 99 PRO ALA VAL LEU GLN SER SER GLY LEU TYR SER LEU SER SEQRES 6 B 99 SER VAL VAL THR VAL PRO SER SER SER LEU GLY THR GLN SEQRES 7 B 99 THR TYR ILE CYS ASN VAL ASN HIS LYS PRO SER ASN THR SEQRES 8 B 99 LYS VAL ASP LYS ARG VAL GLU PRO ATOM 1 CA SER B 120 -45.394 129.825 -10.635 1.00 20.00 ATOM 2 CA THR B 121 -43.131 130.550 -7.700 1.00 20.00 ATOM 3 CA LYS B 122 -40.195 128.135 -7.681 1.00 20.00 ATOM 4 CA GLY B 123 -37.306 128.222 -5.199 1.00 20.00 ATOM 5 CA PRO B 124 -33.811 127.777 -6.703 1.00 20.00 ATOM 6 CA SER B 125 -31.571 124.792 -6.902 1.00 20.00 ATOM 7 CA VAL B 126 -28.159 125.786 -5.561 1.00 20.00 ATOM 8 CA PHE B 127 -24.930 124.266 -6.940 1.00 20.00 ATOM 9 CA PRO B 128 -21.386 125.080 -5.955 1.00 20.00 ATOM 10 CA LEU B 129 -18.997 126.107 -8.756 1.00 20.00 ATOM 11 CA ALA B 130 -15.802 124.679 -7.341 1.00 20.00 ATOM 12 CA PRO B 131 -12.429 126.403 -7.740 1.00 20.00 ATOM 13 CA SER B 132 -10.381 124.655 -10.452 1.00 20.00 ATOM 14 CA SER B 133 -6.962 123.054 -9.799 1.00 20.00 ATOM 15 CA LYS B 134 -5.925 124.268 -13.219 1.00 20.00 ATOM 16 CA SER B 135 -3.776 127.285 -12.586 1.00 20.00 ATOM 17 CA THR B 136 -4.257 130.628 -14.272 1.00 20.00 ATOM 18 CA SER B 137 -1.710 133.324 -15.145 1.00 20.00 ATOM 19 CA GLY B 138 -1.976 135.670 -12.158 1.00 20.00 ATOM 20 CA GLY B 139 -3.059 135.621 -8.508 1.00 20.00 ATOM 21 CA THR B 140 -6.542 134.402 -9.381 1.00 20.00 ATOM 22 CA ALA B 141 -8.742 131.517 -8.385 1.00 20.00 ATOM 23 CA ALA B 142 -12.409 131.747 -9.235 1.00 20.00 ATOM 24 CA LEU B 143 -15.172 130.043 -7.327 1.00 20.00 ATOM 25 CA GLY B 144 -18.948 130.613 -7.267 1.00 20.00 ATOM 26 CA CYS B 145 -22.542 129.441 -6.930 1.00 20.00 ATOM 27 CA LEU B 146 -25.097 128.526 -9.555 1.00 20.00 ATOM 28 CA VAL B 147 -28.598 129.607 -8.620 1.00 20.00 ATOM 29 CA LYS B 148 -30.637 127.700 -11.013 1.00 20.00 ATOM 30 CA ASP B 149 -34.298 127.716 -12.206 1.00 20.00 ATOM 31 CA TYR B 150 -36.103 130.090 -9.821 1.00 20.00 ATOM 32 CA PHE B 151 -39.216 132.306 -10.103 1.00 20.00 ATOM 33 CA PRO B 152 -39.662 135.110 -9.679 1.00 20.00 ATOM 34 CA GLN B 153 -36.795 137.569 -9.363 1.00 20.00 ATOM 35 CA PRO B 154 -35.058 138.595 -7.379 1.00 20.00 ATOM 36 CA VAL B 155 -32.699 136.433 -5.338 1.00 20.00 ATOM 37 CA THR B 156 -30.211 137.590 -2.749 1.00 20.00 ATOM 38 CA VAL B 157 -26.734 136.057 -2.705 1.00 20.00 ATOM 39 CA SER B 158 -24.052 136.958 -0.224 1.00 20.00 ATOM 40 CA TRP B 159 -20.744 135.240 0.747 1.00 20.00 ATOM 41 CA ASN B 160 -19.590 134.101 4.152 1.00 20.00 ATOM 42 CA SER B 161 -22.722 135.606 5.446 1.00 20.00 ATOM 43 CA GLY B 162 -21.889 138.898 3.832 1.00 20.00 ATOM 44 CA ALA B 163 -18.607 139.054 5.724 1.00 20.00 ATOM 45 CA LEU B 164 -17.041 138.721 2.253 1.00 20.00 ATOM 46 CA THR B 165 -17.561 141.487 -0.201 1.00 20.00 ATOM 47 CA SER B 166 -14.130 141.724 -1.711 1.00 20.00 ATOM 48 CA GLY B 167 -14.020 140.397 -5.279 1.00 20.00 ATOM 49 CA VAL B 168 -17.543 139.118 -5.460 1.00 20.00 ATOM 50 CA HIS B 169 -19.260 139.449 -8.813 1.00 20.00 ATOM 51 CA THR B 170 -22.929 138.386 -9.091 1.00 20.00 ATOM 52 CA PHE B 171 -24.085 138.408 -12.692 1.00 20.00 ATOM 53 CA PRO B 172 -27.422 139.382 -14.117 1.00 20.00 ATOM 54 CA ALA B 173 -29.753 136.406 -14.267 1.00 20.00 ATOM 55 CA VAL B 174 -30.723 134.640 -17.534 1.00 20.00 ATOM 56 CA LEU B 175 -34.474 134.234 -18.318 1.00 20.00 ATOM 57 CA GLN B 176 -34.640 130.808 -19.796 1.00 20.00 ATOM 58 CA SER B 177 -37.193 129.475 -22.286 1.00 20.00 ATOM 59 CA SER B 178 -38.769 127.743 -19.280 1.00 20.00 ATOM 60 CA GLY B 179 -39.933 130.968 -17.858 1.00 20.00 ATOM 61 CA LEU B 180 -37.488 130.371 -15.020 1.00 20.00 ATOM 62 CA TYR B 181 -34.336 132.303 -14.114 1.00 20.00 ATOM 63 CA SER B 182 -30.780 131.288 -13.353 1.00 20.00 ATOM 64 CA LEU B 183 -27.876 133.376 -12.087 1.00 20.00 ATOM 65 CA SER B 184 -24.224 132.988 -11.155 1.00 20.00 ATOM 66 CA SER B 185 -22.233 134.666 -8.408 1.00 20.00 ATOM 67 CA VAL B 186 -18.435 134.368 -8.441 1.00 20.00 ATOM 68 CA VAL B 187 -15.601 135.292 -6.143 1.00 20.00 ATOM 69 CA THR B 188 -12.146 135.778 -7.532 1.00 20.00 ATOM 70 CA VAL B 189 -9.725 135.008 -4.697 1.00 20.00 ATOM 71 CA PRO B 190 -5.884 134.826 -4.513 1.00 20.00 ATOM 72 CA SER B 191 -5.136 131.198 -5.111 1.00 20.00 ATOM 73 CA SER B 192 -3.000 131.020 -1.949 1.00 20.00 ATOM 74 CA SER B 193 -6.144 131.243 0.237 1.00 20.00 ATOM 75 CA LEU B 194 -8.026 128.538 -1.546 1.00 20.00 ATOM 76 CA GLY B 195 -7.880 125.741 0.902 1.00 20.00 ATOM 77 CA THR B 196 -6.542 127.980 3.701 1.00 20.00 ATOM 78 CA GLN B 197 -10.068 129.447 3.983 1.00 20.00 ATOM 79 CA THR B 198 -13.813 128.561 3.763 1.00 20.00 ATOM 80 CA TYR B 199 -16.334 129.947 1.295 1.00 20.00 ATOM 81 CA ILE B 200 -20.065 129.534 1.571 1.00 20.00 ATOM 82 CA CYS B 201 -22.648 131.339 -0.519 1.00 20.00 ATOM 83 CA ASN B 202 -25.880 132.262 1.290 1.00 20.00 ATOM 84 CA VAL B 203 -28.856 132.229 -1.045 1.00 20.00 ATOM 85 CA ASN B 204 -32.171 133.769 -0.093 1.00 20.00 ATOM 86 CA HIS B 205 -35.202 133.561 -2.302 1.00 20.00 ATOM 87 CA LYS B 206 -37.786 135.614 -0.402 1.00 20.00 ATOM 88 CA PRO B 207 -40.833 134.858 -2.666 1.00 20.00 ATOM 89 CA SER B 208 -40.537 131.117 -1.963 1.00 20.00 ATOM 90 CA ASN B 209 -38.891 131.476 1.399 1.00 20.00 ATOM 91 CA THR B 210 -36.056 129.238 0.136 1.00 20.00 ATOM 92 CA LYS B 211 -32.866 129.861 2.139 1.00 20.00 ATOM 93 CA VAL B 212 -29.822 127.782 1.169 1.00 20.00 ATOM 94 CA ASP B 213 -26.153 127.899 2.171 1.00 20.00 ATOM 95 CA LYS B 214 -23.786 126.083 -0.103 1.00 20.00 ATOM 96 CA ARG B 215 -20.184 125.370 1.022 1.00 20.00 ATOM 97 CA VAL B 216 -17.265 124.145 -0.634 1.00 20.00 ATOM 98 CA GLU B 217 -13.698 123.352 -1.738 1.00 20.00 ATOM 99 CA PRO B 218 -10.750 121.981 -3.979 1.00 20.00 TER