HEADER IMMUNE SYSTEM 21-MAR-08 3CM9 TITLE Solution Structure of Human SIgA2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Immunoglobulin kappa light chain; COMPND 3 CHAIN: A, B, C, D; EXPDTA SOLUTION SCATTERING DBREF 3CM9 A 123 462 UNP P01877 IGHA2_HUMAN 1 340 SEQRES 1 A 100 ALA SER PRO THR SER PRO LYS VAL PHE PRO LEU SER LEU SEQRES 2 A 100 ASP SER THR PRO GLN ASP GLY ASN VAL VAL VAL ALA CYS SEQRES 3 A 100 LEU VAL GLN GLY PHE PHE PRO GLN GLU PRO LEU SER VAL SEQRES 4 A 100 THR TRP SER GLU SER GLY GLN ASN VAL THR ALA ARG ASN SEQRES 5 A 100 PHE PRO PRO SER GLN ASP ALA SER GLY ASP LEU TYR THR SEQRES 6 A 100 THR SER SER GLN LEU THR LEU PRO ALA THR GLN CYS PRO SEQRES 7 A 100 ASP GLY LYS SER VAL THR CYS HIS VAL LYS HIS TYR THR SEQRES 8 A 100 ASN PRO SER GLN ASP VAL THR VAL PRO ATOM 1 CA ALA A 123 48.328 52.578 46.114 0.00 0.00 ATOM 2 CA SER A 124 49.427 55.585 44.043 0.00 0.00 ATOM 3 CA PRO A 125 46.522 58.086 44.300 0.00 0.00 ATOM 4 CA THR A 126 45.574 59.972 41.135 0.00 0.00 ATOM 5 CA SER A 127 43.590 63.107 40.265 0.00 0.00 ATOM 6 CA PRO A 128 40.182 62.600 38.546 0.00 0.00 ATOM 7 CA LYS A 129 39.639 63.470 34.883 0.00 0.00 ATOM 8 CA VAL A 130 36.332 65.315 34.475 0.00 0.00 ATOM 9 CA PHE A 131 34.569 64.918 31.114 0.00 0.00 ATOM 10 CA PRO A 132 31.517 66.762 29.710 0.00 0.00 ATOM 11 CA LEU A 133 28.590 64.431 29.004 0.00 0.00 ATOM 12 CA SER A 134 26.749 66.629 26.506 0.00 0.00 ATOM 13 CA LEU A 135 24.271 64.904 24.187 0.00 0.00 ATOM 14 CA ASP A 136 23.694 64.886 20.416 0.00 0.00 ATOM 15 CA SER A 137 19.887 65.175 20.364 0.00 0.00 ATOM 16 CA THR A 138 19.448 61.629 21.732 0.00 0.00 ATOM 17 CA PRO A 139 16.798 62.583 24.355 0.00 0.00 ATOM 18 CA GLN A 140 13.378 64.123 23.719 0.00 0.00 ATOM 19 CA ASP A 141 11.725 67.508 23.240 0.00 0.00 ATOM 20 CA GLY A 142 10.763 68.880 26.642 0.00 0.00 ATOM 21 CA ASN A 143 13.793 68.480 28.899 0.00 0.00 ATOM 22 CA VAL A 144 17.554 68.545 28.347 0.00 0.00 ATOM 23 CA VAL A 145 19.813 66.103 30.209 0.00 0.00 ATOM 24 CA VAL A 146 23.446 67.108 30.772 0.00 0.00 ATOM 25 CA ALA A 147 26.176 65.593 32.982 0.00 0.00 ATOM 26 CA CYS A 148 29.834 65.598 34.068 0.00 0.00 ATOM 27 CA LEU A 149 31.734 62.295 34.198 0.00 0.00 ATOM 28 CA VAL A 150 34.515 62.473 36.802 0.00 0.00 ATOM 29 CA GLN A 151 36.656 59.449 35.879 0.00 0.00 ATOM 30 CA GLY A 152 39.725 57.907 37.527 0.00 0.00 ATOM 31 CA PHE A 153 40.349 58.871 41.150 0.00 0.00 ATOM 32 CA PHE A 154 41.758 56.957 44.108 0.00 0.00 ATOM 33 CA PRO A 155 40.539 56.782 46.776 0.00 0.00 ATOM 34 CA GLN A 156 36.793 57.500 46.593 0.00 0.00 ATOM 35 CA GLU A 157 36.684 60.593 48.839 0.00 0.00 ATOM 36 CA PRO A 158 33.707 62.875 49.656 0.00 0.00 ATOM 37 CA LEU A 159 33.173 64.531 46.256 0.00 0.00 ATOM 38 CA SER A 160 31.345 67.859 46.529 0.00 0.00 ATOM 39 CA VAL A 161 29.735 68.946 43.249 0.00 0.00 ATOM 40 CA THR A 162 27.684 72.120 42.714 0.00 0.00 ATOM 41 CA TRP A 163 26.257 73.211 39.345 0.00 0.00 ATOM 42 CA SER A 164 25.794 76.910 38.551 0.00 0.00 ATOM 43 CA GLU A 165 22.028 77.001 37.916 0.00 0.00 ATOM 44 CA SER A 166 19.334 76.192 40.489 0.00 0.00 ATOM 45 CA GLY A 167 15.564 76.503 40.805 0.00 0.00 ATOM 46 CA GLN A 168 12.341 74.509 41.071 0.00 0.00 ATOM 47 CA ASN A 169 12.077 72.407 37.897 0.00 0.00 ATOM 48 CA VAL A 170 15.785 71.502 37.909 0.00 0.00 ATOM 49 CA THR A 171 17.158 68.362 39.578 0.00 0.00 ATOM 50 CA ALA A 172 20.759 67.338 40.313 0.00 0.00 ATOM 51 CA ARG A 173 21.844 63.857 41.439 0.00 0.00 ATOM 52 CA ASN A 174 25.237 62.808 42.837 0.00 0.00 ATOM 53 CA PHE A 175 25.967 59.239 41.689 0.00 0.00 ATOM 54 CA PRO A 176 27.731 56.916 44.207 0.00 0.00 ATOM 55 CA PRO A 177 31.388 55.852 43.655 0.00 0.00 ATOM 56 CA SER A 178 32.005 52.511 41.912 0.00 0.00 ATOM 57 CA GLN A 179 35.071 50.232 41.728 0.00 0.00 ATOM 58 CA ASP A 180 36.646 48.471 38.725 0.00 0.00 ATOM 59 CA ALA A 181 38.844 45.363 39.035 0.00 0.00 ATOM 60 CA SER A 182 40.234 45.124 42.579 0.00 0.00 ATOM 61 CA GLY A 183 40.638 48.746 43.661 0.00 0.00 ATOM 62 CA ASP A 184 42.658 50.176 40.768 0.00 0.00 ATOM 63 CA LEU A 185 40.446 53.259 40.307 0.00 0.00 ATOM 64 CA TYR A 186 37.098 54.838 41.232 0.00 0.00 ATOM 65 CA THR A 187 34.641 56.696 38.971 0.00 0.00 ATOM 66 CA THR A 188 31.633 59.010 39.480 0.00 0.00 ATOM 67 CA SER A 189 29.286 61.400 37.672 0.00 0.00 ATOM 68 CA SER A 190 27.089 64.471 38.159 0.00 0.00 ATOM 69 CA GLN A 191 23.844 64.968 36.222 0.00 0.00 ATOM 70 CA LEU A 192 21.461 67.924 35.890 0.00 0.00 ATOM 71 CA THR A 193 18.047 67.418 34.289 0.00 0.00 ATOM 72 CA LEU A 194 16.501 70.778 33.379 0.00 0.00 ATOM 73 CA PRO A 195 13.608 71.988 31.170 0.00 0.00 ATOM 74 CA ALA A 196 14.491 73.137 27.642 0.00 0.00 ATOM 75 CA THR A 197 13.193 76.631 28.441 0.00 0.00 ATOM 76 CA GLN A 198 16.148 77.081 30.827 0.00 0.00 ATOM 77 CA CYS A 199 19.352 76.469 28.818 0.00 0.00 ATOM 78 CA PRO A 200 19.364 79.356 26.290 0.00 0.00 ATOM 79 CA ASP A 201 20.662 78.784 22.733 0.00 0.00 ATOM 80 CA GLY A 202 24.319 79.808 22.766 0.00 0.00 ATOM 81 CA LYS A 203 25.375 79.372 26.410 0.00 0.00 ATOM 82 CA SER A 204 26.437 76.570 28.785 0.00 0.00 ATOM 83 CA VAL A 205 26.321 75.366 32.406 0.00 0.00 ATOM 84 CA THR A 206 29.430 74.854 34.552 0.00 0.00 ATOM 85 CA CYS A 207 29.884 71.889 36.923 0.00 0.00 ATOM 86 CA HIS A 208 32.235 72.394 39.881 0.00 0.00 ATOM 87 CA VAL A 209 33.811 69.216 41.277 0.00 0.00 ATOM 88 CA LYS A 210 35.841 69.294 44.499 0.00 0.00 ATOM 89 CA HIS A 211 37.858 66.370 45.859 0.00 0.00 ATOM 90 CA TYR A 212 39.582 66.990 49.214 0.00 0.00 ATOM 91 CA THR A 213 40.814 70.569 49.770 0.00 0.00 ATOM 92 CA ASN A 214 42.349 70.390 46.286 0.00 0.00 ATOM 93 CA PRO A 215 41.509 73.288 43.897 0.00 0.00 ATOM 94 CA SER A 216 37.979 73.074 42.489 0.00 0.00 ATOM 95 CA GLN A 217 38.046 71.886 38.869 0.00 0.00 ATOM 96 CA ASP A 218 35.537 73.854 36.776 0.00 0.00 ATOM 97 CA VAL A 219 34.232 72.581 33.414 0.00 0.00 ATOM 98 CA THR A 220 32.008 74.347 30.859 0.00 0.00 ATOM 99 CA VAL A 221 29.209 71.884 29.998 0.00 0.00 ATOM 100 CA PRO A 222 27.270 73.058 26.876 0.00 0.00 TER