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 99 SER THR LYS GLY PRO SER VAL PHE PRO LEU ALA PRO SER SEQRES 2 A 99 SER LYS SER THR SER GLY GLY THR ALA ALA LEU GLY CYS SEQRES 3 A 99 LEU VAL LYS ASP TYR PHE PRO GLN PRO VAL THR VAL SER SEQRES 4 A 99 TRP ASN SER GLY ALA LEU THR SER GLY VAL HIS THR PHE SEQRES 5 A 99 PRO ALA VAL LEU GLN SER SER GLY LEU TYR SER LEU SER SEQRES 6 A 99 SER VAL VAL THR VAL PRO SER SER SER LEU GLY THR GLN SEQRES 7 A 99 THR TYR ILE CYS ASN VAL ASN HIS LYS PRO SER ASN THR SEQRES 8 A 99 LYS VAL ASP LYS ARG VAL GLU PRO ATOM 1 CA SER A 120 44.215 125.337 -8.565 1.00 20.00 ATOM 2 CA THR A 121 41.966 125.142 -11.593 1.00 20.00 ATOM 3 CA LYS A 122 38.778 123.255 -10.735 1.00 20.00 ATOM 4 CA GLY A 123 35.850 122.717 -13.111 1.00 20.00 ATOM 5 CA PRO A 124 32.370 123.282 -11.609 1.00 20.00 ATOM 6 CA SER A 125 29.817 120.875 -10.324 1.00 20.00 ATOM 7 CA VAL A 126 26.500 121.663 -12.001 1.00 20.00 ATOM 8 CA PHE A 127 23.163 121.164 -10.199 1.00 20.00 ATOM 9 CA PRO A 128 19.704 121.939 -11.480 1.00 20.00 ATOM 10 CA LEU A 129 17.524 124.222 -9.325 1.00 20.00 ATOM 11 CA ALA A 130 14.152 122.736 -10.141 1.00 20.00 ATOM 12 CA PRO A 131 11.006 124.855 -10.487 1.00 20.00 ATOM 13 CA SER A 132 8.852 124.520 -7.349 1.00 20.00 ATOM 14 CA SER A 133 5.258 123.193 -7.397 1.00 20.00 ATOM 15 CA LYS A 134 4.460 125.728 -4.718 1.00 20.00 ATOM 16 CA SER A 135 2.646 128.500 -6.492 1.00 20.00 ATOM 17 CA THR A 136 3.544 132.155 -6.206 1.00 20.00 ATOM 18 CA SER A 137 1.340 135.251 -6.471 1.00 20.00 ATOM 19 CA GLY A 138 1.783 136.235 -10.124 1.00 20.00 ATOM 20 CA GLY A 139 2.750 134.671 -13.460 1.00 20.00 ATOM 21 CA THR A 140 6.098 133.491 -12.128 1.00 20.00 ATOM 22 CA ALA A 141 7.934 130.214 -11.907 1.00 20.00 ATOM 23 CA ALA A 142 11.625 130.329 -11.149 1.00 20.00 ATOM 24 CA LEU A 143 14.126 127.723 -12.214 1.00 20.00 ATOM 25 CA GLY A 144 17.938 127.794 -12.423 1.00 20.00 ATOM 26 CA CYS A 145 21.366 126.180 -12.226 1.00 20.00 ATOM 27 CA LEU A 146 23.878 126.050 -9.409 1.00 20.00 ATOM 28 CA VAL A 147 27.451 126.285 -10.627 1.00 20.00 ATOM 29 CA LYS A 148 29.329 125.217 -7.652 1.00 20.00 ATOM 30 CA ASP A 149 33.001 125.269 -6.496 1.00 20.00 ATOM 31 CA TYR A 150 34.993 126.331 -9.574 1.00 20.00 ATOM 32 CA PHE A 151 38.341 128.118 -10.108 1.00 20.00 ATOM 33 CA PRO A 152 39.085 130.476 -11.564 1.00 20.00 ATOM 34 CA GLN A 153 36.503 132.938 -12.845 1.00 20.00 ATOM 35 CA PRO A 154 34.837 133.321 -15.098 1.00 20.00 ATOM 36 CA VAL A 155 32.195 130.828 -16.199 1.00 20.00 ATOM 37 CA THR A 156 29.780 131.185 -19.074 1.00 20.00 ATOM 38 CA VAL A 157 26.153 130.159 -18.588 1.00 20.00 ATOM 39 CA SER A 158 23.519 130.343 -21.269 1.00 20.00 ATOM 40 CA TRP A 159 20.014 128.776 -21.566 1.00 20.00 ATOM 41 CA ASN A 160 18.645 126.564 -24.297 1.00 20.00 ATOM 42 CA SER A 161 21.889 127.094 -26.015 1.00 20.00 ATOM 43 CA GLY A 162 21.474 130.823 -25.794 1.00 20.00 ATOM 44 CA ALA A 163 18.177 130.618 -27.659 1.00 20.00 ATOM 45 CA LEU A 164 16.684 131.816 -24.350 1.00 20.00 ATOM 46 CA THR A 165 17.578 135.231 -23.131 1.00 20.00 ATOM 47 CA SER A 166 14.238 136.415 -21.884 1.00 20.00 ATOM 48 CA GLY A 167 14.081 136.572 -18.082 1.00 20.00 ATOM 49 CA VAL A 168 17.443 135.065 -17.368 1.00 20.00 ATOM 50 CA HIS A 169 19.280 136.452 -14.368 1.00 20.00 ATOM 51 CA THR A 170 22.813 135.164 -13.641 1.00 20.00 ATOM 52 CA PHE A 171 24.065 136.427 -10.303 1.00 20.00 ATOM 53 CA PRO A 172 27.529 137.484 -9.303 1.00 20.00 ATOM 54 CA ALA A 173 29.516 134.545 -7.988 1.00 20.00 ATOM 55 CA VAL A 174 30.374 134.062 -4.279 1.00 20.00 ATOM 56 CA LEU A 175 34.076 133.559 -3.336 1.00 20.00 ATOM 57 CA GLN A 176 33.900 130.962 -0.657 1.00 20.00 ATOM 58 CA SER A 177 36.356 130.399 2.196 1.00 20.00 ATOM 59 CA SER A 178 37.644 127.481 0.107 1.00 20.00 ATOM 60 CA GLY A 179 39.121 129.766 -2.422 1.00 20.00 ATOM 61 CA LEU A 180 36.546 128.414 -4.855 1.00 20.00 ATOM 62 CA TYR A 181 33.605 130.199 -6.483 1.00 20.00 ATOM 63 CA SER A 182 29.939 129.383 -6.859 1.00 20.00 ATOM 64 CA LEU A 183 27.252 131.149 -8.876 1.00 20.00 ATOM 65 CA SER A 184 23.555 130.854 -9.652 1.00 20.00 ATOM 66 CA SER A 185 21.687 131.573 -12.863 1.00 20.00 ATOM 67 CA VAL A 186 17.882 131.743 -12.785 1.00 20.00 ATOM 68 CA VAL A 187 15.107 132.039 -15.306 1.00 20.00 ATOM 69 CA THR A 188 11.768 133.408 -14.267 1.00 20.00 ATOM 70 CA VAL A 189 9.197 131.898 -16.635 1.00 20.00 ATOM 71 CA PRO A 190 5.355 132.098 -16.798 1.00 20.00 ATOM 72 CA SER A 191 4.224 129.083 -14.872 1.00 20.00 ATOM 73 CA SER A 192 1.993 127.957 -17.763 1.00 20.00 ATOM 74 CA SER A 193 5.079 126.968 -19.814 1.00 20.00 ATOM 75 CA LEU A 194 6.697 124.954 -17.102 1.00 20.00 ATOM 76 CA GLY A 195 6.170 121.469 -18.298 1.00 20.00 ATOM 77 CA THR A 196 5.011 122.608 -21.761 1.00 20.00 ATOM 78 CA GLN A 197 8.670 123.445 -22.522 1.00 20.00 ATOM 79 CA THR A 198 12.297 122.289 -21.916 1.00 20.00 ATOM 80 CA TYR A 199 15.026 124.214 -20.126 1.00 20.00 ATOM 81 CA ILE A 200 18.678 123.304 -20.159 1.00 20.00 ATOM 82 CA CYS A 201 21.505 125.464 -18.873 1.00 20.00 ATOM 83 CA ASN A 202 24.767 125.251 -20.843 1.00 20.00 ATOM 84 CA VAL A 203 27.787 125.771 -18.623 1.00 20.00 ATOM 85 CA ASN A 204 31.223 126.443 -20.036 1.00 20.00 ATOM 86 CA HIS A 205 34.274 126.750 -17.863 1.00 20.00 ATOM 87 CA LYS A 206 37.017 127.614 -20.360 1.00 20.00 ATOM 88 CA PRO A 207 40.023 127.435 -17.927 1.00 20.00 ATOM 89 CA SER A 208 39.292 123.770 -17.152 1.00 20.00 ATOM 90 CA ASN A 209 37.601 123.004 -20.423 1.00 20.00 ATOM 91 CA THR A 210 34.571 121.756 -18.450 1.00 20.00 ATOM 92 CA LYS A 211 31.415 121.926 -20.591 1.00 20.00 ATOM 93 CA VAL A 212 28.187 120.738 -18.952 1.00 20.00 ATOM 94 CA ASP A 213 24.526 120.883 -19.985 1.00 20.00 ATOM 95 CA LYS A 214 22.038 120.353 -17.229 1.00 20.00 ATOM 96 CA ARG A 215 18.347 119.682 -18.058 1.00 20.00 ATOM 97 CA VAL A 216 15.031 119.311 -16.405 1.00 20.00 ATOM 98 CA GLU A 217 11.517 119.316 -14.962 1.00 20.00 ATOM 99 CA PRO A 218 8.499 119.043 -12.514 1.00 20.00 TER