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 C 123 462 UNP P01877 IGHA2_HUMAN 1 340 SEQRES 1 C 113 PRO PRO PRO PRO CYS CYS HIS PRO ARG LEU SER LEU HIS SEQRES 2 C 113 ARG PRO ALA LEU GLU ASP LEU LEU LEU GLY SER GLU ALA SEQRES 3 C 113 ASN LEU THR CYS THR LEU THR GLY LEU ARG ASP ALA SER SEQRES 4 C 113 GLY ALA THR PHE THR TRP THR PRO SER SER GLY LYS SER SEQRES 5 C 113 ALA VAL GLN GLY PRO PRO GLU ARG ASP LEU CYS GLY CYS SEQRES 6 C 113 TYR SER VAL SER SER VAL LEU PRO GLY CYS ALA GLN PRO SEQRES 7 C 113 TRP ASN HIS GLY GLU THR PHE THR CYS THR ALA ALA HIS SEQRES 8 C 113 PRO GLU LEU LYS THR PRO LEU THR ALA ASN ILE THR LYS SEQRES 9 C 113 SER GLY ASN THR PHE ARG PRO GLU VAL ATOM 1 CA PRO C 227 86.938 69.890-119.290 1.00 0.00 ATOM 2 CA PRO C 228 85.508 71.331-115.875 1.00 0.00 ATOM 3 CA PRO C 229 83.805 75.056-116.131 1.00 0.00 ATOM 4 CA PRO C 230 85.336 77.577-113.713 1.00 0.00 ATOM 5 CA CYS C 231 83.880 81.156-113.042 1.00 0.00 ATOM 6 CA CYS C 232 84.857 83.373-110.071 1.00 0.00 ATOM 7 CA HIS C 233 83.218 86.108-108.023 1.00 0.00 ATOM 8 CA PRO C 234 84.914 89.168-106.164 0.00 0.00 ATOM 9 CA ARG C 235 85.535 88.781-102.388 0.00 0.00 ATOM 10 CA LEU C 236 88.250 88.187 -99.735 0.00 0.00 ATOM 11 CA SER C 237 88.040 86.329 -96.406 0.00 0.00 ATOM 12 CA LEU C 238 90.459 85.207 -93.678 0.00 0.00 ATOM 13 CA HIS C 239 90.434 81.899 -91.798 0.00 0.00 ATOM 14 CA ARG C 240 91.579 81.848 -88.172 0.00 0.00 ATOM 15 CA PRO C 241 93.465 78.702 -87.057 0.00 0.00 ATOM 16 CA ALA C 242 91.804 76.081 -84.848 0.00 0.00 ATOM 17 CA LEU C 243 91.973 76.373 -81.057 0.00 0.00 ATOM 18 CA GLU C 244 92.522 72.689 -80.251 0.00 0.00 ATOM 19 CA ASP C 245 95.484 72.447 -82.642 0.00 0.00 ATOM 20 CA LEU C 246 97.549 75.480 -81.554 0.00 0.00 ATOM 21 CA LEU C 247 97.213 74.692 -77.832 0.00 0.00 ATOM 22 CA LEU C 248 98.426 71.083 -77.928 0.00 0.00 ATOM 23 CA GLY C 249 101.572 71.381 -80.032 0.00 0.00 ATOM 24 CA SER C 250 102.094 74.918 -81.365 0.00 0.00 ATOM 25 CA GLU C 251 100.941 73.906 -84.864 0.00 0.00 ATOM 26 CA ALA C 252 98.971 76.904 -86.155 0.00 0.00 ATOM 27 CA ASN C 253 98.322 78.502 -89.557 0.00 0.00 ATOM 28 CA LEU C 254 96.252 81.429 -90.852 0.00 0.00 ATOM 29 CA THR C 255 94.785 81.134 -94.359 0.00 0.00 ATOM 30 CA CYS C 256 94.150 84.099 -96.693 0.00 0.00 ATOM 31 CA THR C 257 91.920 82.851 -99.525 0.00 0.00 ATOM 32 CA LEU C 258 90.443 85.045-102.274 0.00 0.00 ATOM 33 CA THR C 259 87.265 83.257-103.374 0.00 0.00 ATOM 34 CA GLY C 260 85.692 85.325-106.173 0.00 0.00 ATOM 35 CA LEU C 261 87.080 87.648-108.888 0.00 0.00 ATOM 36 CA ARG C 262 86.936 87.139-112.729 0.00 0.00 ATOM 37 CA ASP C 263 89.567 85.061-114.705 0.00 0.00 ATOM 38 CA ALA C 264 93.136 85.009-116.068 0.00 0.00 ATOM 39 CA SER C 265 95.674 86.835-113.905 0.00 0.00 ATOM 40 CA GLY C 266 98.236 86.102-111.174 0.00 0.00 ATOM 41 CA ALA C 267 98.028 87.697-107.728 0.00 0.00 ATOM 42 CA THR C 268 100.794 88.377-105.191 0.00 0.00 ATOM 43 CA PHE C 269 100.992 88.626-101.374 0.00 0.00 ATOM 44 CA THR C 270 102.587 90.731 -98.627 0.00 0.00 ATOM 45 CA TRP C 271 102.415 88.871 -95.301 0.00 0.00 ATOM 46 CA THR C 272 103.707 90.390 -92.068 0.00 0.00 ATOM 47 CA PRO C 273 106.161 88.470 -89.812 0.00 0.00 ATOM 48 CA SER C 274 105.289 87.280 -86.300 0.00 0.00 ATOM 49 CA SER C 275 106.873 88.138 -82.940 0.00 0.00 ATOM 50 CA GLY C 276 109.666 85.676 -83.702 0.00 0.00 ATOM 51 CA LYS C 277 110.441 87.437 -86.998 0.00 0.00 ATOM 52 CA SER C 278 109.449 84.638 -89.399 0.00 0.00 ATOM 53 CA ALA C 279 107.530 84.795 -92.689 0.00 0.00 ATOM 54 CA VAL C 280 106.823 81.682 -94.777 0.00 0.00 ATOM 55 CA GLN C 281 104.278 81.352 -97.603 0.00 0.00 ATOM 56 CA GLY C 282 103.477 79.364-100.746 0.00 0.00 ATOM 57 CA PRO C 283 100.216 80.291-102.578 0.00 0.00 ATOM 58 CA PRO C 284 99.232 77.794-105.330 0.00 0.00 ATOM 59 CA GLU C 285 96.566 78.035-108.045 0.00 0.00 ATOM 60 CA ARG C 286 93.564 75.672-107.927 0.00 0.00 ATOM 61 CA ASP C 287 90.560 75.606-110.298 0.00 0.00 ATOM 62 CA LEU C 288 87.163 76.247-108.656 0.00 0.00 ATOM 63 CA CYS C 289 83.990 76.498-110.771 0.00 0.00 ATOM 64 CA GLY C 290 86.224 76.942-113.794 0.00 0.00 ATOM 65 CA CYS C 291 87.986 79.933-112.251 0.00 0.00 ATOM 66 CA TYR C 292 91.662 80.069-110.898 0.00 0.00 ATOM 67 CA SER C 293 92.278 80.383-107.110 0.00 0.00 ATOM 68 CA VAL C 294 95.150 81.917-105.078 0.00 0.00 ATOM 69 CA SER C 295 95.274 80.836-101.393 0.00 0.00 ATOM 70 CA SER C 296 98.288 81.346 -99.090 0.00 0.00 ATOM 71 CA VAL C 297 98.963 79.975 -95.589 0.00 0.00 ATOM 72 CA LEU C 298 101.238 81.639 -93.010 0.00 0.00 ATOM 73 CA PRO C 299 102.387 79.121 -90.339 0.00 0.00 ATOM 74 CA GLY C 300 102.571 80.907 -86.989 0.00 0.00 ATOM 75 CA CYS C 301 103.591 80.030 -83.433 0.00 0.00 ATOM 76 CA ALA C 302 101.514 79.891 -80.238 0.00 0.00 ATOM 77 CA GLN C 303 103.125 82.786 -78.344 0.00 0.00 ATOM 78 CA PRO C 304 102.173 85.553 -80.820 0.00 0.00 ATOM 79 CA TRP C 305 98.536 84.404 -80.803 0.00 0.00 ATOM 80 CA ASN C 306 98.494 84.203 -76.996 0.00 0.00 ATOM 81 CA HIS C 307 100.082 87.646 -76.630 0.00 0.00 ATOM 82 CA GLY C 308 98.106 89.168 -79.496 0.00 0.00 ATOM 83 CA GLU C 309 99.958 90.122 -82.678 0.00 0.00 ATOM 84 CA THR C 310 98.398 91.771 -85.745 0.00 0.00 ATOM 85 CA PHE C 311 98.271 89.294 -88.654 0.00 0.00 ATOM 86 CA THR C 312 97.550 91.236 -91.862 0.00 0.00 ATOM 87 CA CYS C 313 97.300 90.034 -95.491 0.00 0.00 ATOM 88 CA THR C 314 97.419 92.326 -98.541 0.00 0.00 ATOM 89 CA ALA C 315 96.596 91.004-102.026 0.00 0.00 ATOM 90 CA ALA C 316 97.299 93.468-104.857 0.00 0.00 ATOM 91 CA HIS C 317 96.270 93.172-108.498 0.00 0.00 ATOM 92 CA PRO C 318 96.052 95.376-111.610 0.00 0.00 ATOM 93 CA GLU C 319 92.239 95.554-111.611 0.00 0.00 ATOM 94 CA LEU C 320 92.112 95.178-107.841 0.00 0.00 ATOM 95 CA LYS C 321 93.783 98.582-107.959 0.00 0.00 ATOM 96 CA THR C 322 93.101 99.164-104.280 0.00 0.00 ATOM 97 CA PRO C 323 95.072 96.390-102.485 0.00 0.00 ATOM 98 CA LEU C 324 92.613 94.894-100.002 0.00 0.00 ATOM 99 CA THR C 325 93.996 94.953 -96.459 0.00 0.00 ATOM 100 CA ALA C 326 92.690 92.473 -93.868 0.00 0.00 ATOM 101 CA ASN C 327 93.764 92.214 -90.218 0.00 0.00 ATOM 102 CA ILE C 328 92.764 89.709 -87.516 0.00 0.00 ATOM 103 CA THR C 329 93.659 89.515 -83.813 0.00 0.00 ATOM 104 CA LYS C 330 92.127 88.191 -80.582 0.00 0.00 ATOM 105 CA SER C 331 89.173 89.900 -78.896 0.00 0.00 ATOM 106 CA GLY C 332 88.207 91.747 -75.732 0.00 0.00 ATOM 107 CA ASN C 333 90.244 92.691 -72.666 0.00 0.00 ATOM 108 CA THR C 334 91.519 90.457 -69.833 0.00 0.00 ATOM 109 CA PHE C 335 89.358 89.230 -66.926 0.00 0.00 ATOM 110 CA ARG C 336 90.623 87.055 -64.055 0.00 0.00 ATOM 111 CA PRO C 337 88.870 83.633 -63.803 0.00 0.00 ATOM 112 CA GLU C 338 87.196 82.624 -60.540 0.00 0.00 ATOM 113 CA VAL C 339 87.357 78.850 -60.031 0.00 0.00 TER