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 113 PRO PRO PRO PRO CYS CYS HIS PRO ARG LEU SER LEU HIS SEQRES 2 A 113 ARG PRO ALA LEU GLU ASP LEU LEU LEU GLY SER GLU ALA SEQRES 3 A 113 ASN LEU THR CYS THR LEU THR GLY LEU ARG ASP ALA SER SEQRES 4 A 113 GLY ALA THR PHE THR TRP THR PRO SER SER GLY LYS SER SEQRES 5 A 113 ALA VAL GLN GLY PRO PRO GLU ARG ASP LEU CYS GLY CYS SEQRES 6 A 113 TYR SER VAL SER SER VAL LEU PRO GLY CYS ALA GLN PRO SEQRES 7 A 113 TRP ASN HIS GLY GLU THR PHE THR CYS THR ALA ALA HIS SEQRES 8 A 113 PRO GLU LEU LYS THR PRO LEU THR ALA ASN ILE THR LYS SEQRES 9 A 113 SER GLY ASN THR PHE ARG PRO GLU VAL ATOM 1 CA PRO A 227 22.408 78.096 12.769 1.00 0.00 ATOM 2 CA PRO A 228 24.883 79.320 9.911 1.00 0.00 ATOM 3 CA PRO A 229 24.435 83.238 8.778 1.00 0.00 ATOM 4 CA PRO A 230 23.829 83.659 5.036 1.00 0.00 ATOM 5 CA CYS A 231 23.824 87.111 3.176 1.00 0.00 ATOM 6 CA CYS A 232 24.055 87.527 -0.629 1.00 0.00 ATOM 7 CA HIS A 233 25.340 90.154 -3.038 1.00 0.00 ATOM 8 CA PRO A 234 24.069 91.002 -6.692 0.00 0.00 ATOM 9 CA ARG A 235 26.062 89.499 -9.618 0.00 0.00 ATOM 10 CA LEU A 236 26.010 86.787 -12.339 0.00 0.00 ATOM 11 CA SER A 237 28.893 84.789 -13.845 0.00 0.00 ATOM 12 CA LEU A 238 29.301 81.846 -16.239 0.00 0.00 ATOM 13 CA HIS A 239 31.761 78.958 -15.939 0.00 0.00 ATOM 14 CA ARG A 240 33.166 77.416 -19.118 0.00 0.00 ATOM 15 CA PRO A 241 33.777 73.633 -19.014 0.00 0.00 ATOM 16 CA ALA A 242 37.296 72.205 -18.728 0.00 0.00 ATOM 17 CA LEU A 243 39.343 71.490 -21.856 0.00 0.00 ATOM 18 CA GLU A 244 40.907 68.199 -20.743 0.00 0.00 ATOM 19 CA ASP A 245 37.511 66.702 -19.863 0.00 0.00 ATOM 20 CA LEU A 246 35.531 67.468 -23.047 0.00 0.00 ATOM 21 CA LEU A 247 38.314 66.269 -25.371 0.00 0.00 ATOM 22 CA LEU A 248 38.846 62.819 -23.848 0.00 0.00 ATOM 23 CA GLY A 249 35.279 61.552 -23.540 0.00 0.00 ATOM 24 CA SER A 250 32.714 64.185 -24.563 0.00 0.00 ATOM 25 CA GLU A 251 31.811 64.903 -20.921 0.00 0.00 ATOM 26 CA ALA A 252 31.213 68.666 -20.780 0.00 0.00 ATOM 27 CA ASN A 253 28.983 71.017 -18.768 0.00 0.00 ATOM 28 CA LEU A 254 28.480 74.789 -18.550 0.00 0.00 ATOM 29 CA THR A 255 27.505 76.244 -15.162 0.00 0.00 ATOM 30 CA CYS A 256 25.366 79.381 -14.692 0.00 0.00 ATOM 31 CA THR A 257 25.706 80.444 -11.046 0.00 0.00 ATOM 32 CA LEU A 258 24.208 83.614 -9.543 0.00 0.00 ATOM 33 CA THR A 259 26.458 84.480 -6.595 0.00 0.00 ATOM 34 CA GLY A 260 25.046 87.626 -4.953 0.00 0.00 ATOM 35 CA LEU A 261 21.530 89.109 -4.595 0.00 0.00 ATOM 36 CA ARG A 262 19.522 89.655 -1.324 0.00 0.00 ATOM 37 CA ASP A 263 17.332 86.890 0.322 0.00 0.00 ATOM 38 CA ALA A 264 14.059 84.937 0.089 0.00 0.00 ATOM 39 CA SER A 265 12.874 84.264 -3.462 0.00 0.00 ATOM 40 CA GLY A 266 13.030 81.525 -6.113 0.00 0.00 ATOM 41 CA ALA A 267 14.615 82.102 -9.522 0.00 0.00 ATOM 42 CA THR A 268 13.952 80.344 -12.841 0.00 0.00 ATOM 43 CA PHE A 269 16.011 79.573 -15.978 0.00 0.00 ATOM 44 CA THR A 270 15.722 79.569 -19.777 0.00 0.00 ATOM 45 CA TRP A 271 18.579 77.547 -21.295 0.00 0.00 ATOM 46 CA THR A 272 19.025 77.182 -25.049 0.00 0.00 ATOM 47 CA PRO A 273 19.440 73.720 -26.673 0.00 0.00 ATOM 48 CA SER A 274 22.629 72.595 -28.428 0.00 0.00 ATOM 49 CA SER A 275 23.211 71.525 -32.040 0.00 0.00 ATOM 50 CA GLY A 276 21.791 68.105 -31.187 0.00 0.00 ATOM 51 CA LYS A 277 18.573 69.671 -29.861 0.00 0.00 ATOM 52 CA SER A 278 18.927 68.703 -26.184 0.00 0.00 ATOM 53 CA ALA A 279 18.218 70.732 -23.036 0.00 0.00 ATOM 54 CA VAL A 280 18.686 69.283 -19.539 0.00 0.00 ATOM 55 CA GLN A 281 18.883 71.230 -16.262 0.00 0.00 ATOM 56 CA GLY A 282 18.337 70.917 -12.510 0.00 0.00 ATOM 57 CA PRO A 283 19.130 74.039 -10.394 0.00 0.00 ATOM 58 CA PRO A 284 19.147 73.370 -6.609 0.00 0.00 ATOM 59 CA GLU A 285 19.268 75.799 -3.672 0.00 0.00 ATOM 60 CA ARG A 286 22.359 75.856 -1.423 0.00 0.00 ATOM 61 CA ASP A 287 23.042 78.187 1.534 0.00 0.00 ATOM 62 CA LEU A 288 26.133 80.419 1.179 0.00 0.00 ATOM 63 CA CYS A 289 26.962 83.039 3.835 0.00 0.00 ATOM 64 CA GLY A 290 23.418 82.648 5.107 0.00 0.00 ATOM 65 CA CYS A 291 21.938 83.470 1.706 0.00 0.00 ATOM 66 CA TYR A 292 20.148 80.998 -0.751 0.00 0.00 ATOM 67 CA SER A 293 21.874 80.023 -4.052 0.00 0.00 ATOM 68 CA VAL A 294 20.495 78.953 -7.471 0.00 0.00 ATOM 69 CA SER A 295 23.054 77.255 -9.781 0.00 0.00 ATOM 70 CA SER A 296 22.147 75.266 -12.922 0.00 0.00 ATOM 71 CA VAL A 297 24.327 73.049 -15.140 0.00 0.00 ATOM 72 CA LEU A 298 23.640 72.327 -18.828 0.00 0.00 ATOM 73 CA PRO A 299 25.448 69.133 -19.980 0.00 0.00 ATOM 74 CA GLY A 300 26.627 69.632 -23.558 0.00 0.00 ATOM 75 CA CYS A 301 28.405 67.560 -26.205 0.00 0.00 ATOM 76 CA ALA A 302 31.823 68.044 -27.826 0.00 0.00 ATOM 77 CA GLN A 303 30.697 68.811 -31.391 0.00 0.00 ATOM 78 CA PRO A 304 28.771 72.028 -30.592 0.00 0.00 ATOM 79 CA TRP A 305 31.760 73.414 -28.669 0.00 0.00 ATOM 80 CA ASN A 306 34.158 72.456 -31.474 0.00 0.00 ATOM 81 CA HIS A 307 31.912 73.985 -34.144 0.00 0.00 ATOM 82 CA GLY A 308 30.956 76.985 -32.017 0.00 0.00 ATOM 83 CA GLU A 309 27.379 77.250 -30.750 0.00 0.00 ATOM 84 CA THR A 310 25.963 80.131 -28.687 0.00 0.00 ATOM 85 CA PHE A 311 25.283 78.981 -25.106 0.00 0.00 ATOM 86 CA THR A 312 23.085 81.592 -23.395 0.00 0.00 ATOM 87 CA CYS A 313 21.552 81.637 -19.884 0.00 0.00 ATOM 88 CA THR A 314 18.727 83.956 -18.787 0.00 0.00 ATOM 89 CA ALA A 315 17.726 84.233 -15.115 0.00 0.00 ATOM 90 CA ALA A 316 14.559 86.272 -14.490 0.00 0.00 ATOM 91 CA HIS A 317 13.200 87.486 -11.159 0.00 0.00 ATOM 92 CA PRO A 318 10.606 89.961 -9.845 0.00 0.00 ATOM 93 CA GLU A 319 13.181 92.461 -8.541 0.00 0.00 ATOM 94 CA LEU A 320 15.684 91.431 -11.194 0.00 0.00 ATOM 95 CA LYS A 321 13.105 92.985 -13.501 0.00 0.00 ATOM 96 CA THR A 322 15.560 93.041 -16.384 0.00 0.00 ATOM 97 CA PRO A 323 16.373 89.337 -17.030 0.00 0.00 ATOM 98 CA LEU A 324 20.164 89.191 -17.252 0.00 0.00 ATOM 99 CA THR A 325 21.312 87.602 -20.512 0.00 0.00 ATOM 100 CA ALA A 326 24.760 85.978 -20.724 0.00 0.00 ATOM 101 CA ASN A 327 26.312 84.318 -23.785 0.00 0.00 ATOM 102 CA ILE A 328 29.623 82.459 -24.181 0.00 0.00 ATOM 103 CA THR A 329 31.306 80.949 -27.252 0.00 0.00 ATOM 104 CA LYS A 330 34.837 80.194 -28.479 0.00 0.00 ATOM 105 CA SER A 331 37.223 82.944 -29.588 0.00 0.00 ATOM 106 CA GLY A 332 39.064 84.242 -32.637 0.00 0.00 ATOM 107 CA ASN A 333 39.120 83.020 -36.234 0.00 0.00 ATOM 108 CA THR A 334 40.825 79.925 -37.705 0.00 0.00 ATOM 109 CA PHE A 335 44.558 79.706 -38.504 0.00 0.00 ATOM 110 CA ARG A 336 46.269 76.654 -40.032 0.00 0.00 ATOM 111 CA PRO A 337 48.994 75.108 -37.787 0.00 0.00 ATOM 112 CA GLU A 338 52.518 74.673 -39.153 0.00 0.00 ATOM 113 CA VAL A 339 54.208 71.618 -37.622 0.00 0.00 TER