HEADER IMMUNE SYSTEM 10-MAR-08 3CHN TITLE Solution structure of human secretory IgA1 COMPND MOL_ID: 4; COMPND 2 MOLECULE: Secretory component; COMPND 3 CHAIN: S; EXPDTA SOLUTION SCATTERING DBREF 3CHN S 1 585 UNP P01833 PIGR_HUMAN 19 603 SEQRES 1 S 110 SER THR ILE PRO ARG SER PRO THR VAL VAL LYS GLY VAL SEQRES 2 S 110 ALA GLY SER SER VAL ALA VAL LEU CYS PRO TYR ASN ARG SEQRES 3 S 110 LYS GLU SER LYS SER ILE LYS TYR TRP CYS LEU TRP GLU SEQRES 4 S 110 GLY ALA GLN ASN GLY ARG CYS PRO LEU LEU VAL ASP SER SEQRES 5 S 110 GLU GLY TRP VAL LYS ALA GLN TYR GLU GLY ARG LEU SER SEQRES 6 S 110 LEU LEU GLU GLU PRO GLY ASN GLY THR PHE THR VAL ILE SEQRES 7 S 110 LEU ASN GLN LEU THR SER ARG ASP ALA GLY PHE TYR TRP SEQRES 8 S 110 CYS LEU THR ASN GLY ASP THR LEU TRP ARG THR THR VAL SEQRES 9 S 110 GLU ILE LYS ILE ILE GLU ATOM 1 CA SER S 332 37.847 46.078 -57.736 1.00 0.00 ATOM 2 CA THR S 333 35.542 49.364 -58.049 1.00 0.00 ATOM 3 CA ILE S 334 37.825 51.432 -55.569 1.00 0.00 ATOM 4 CA PRO S 335 38.661 55.541 -55.940 1.00 63.23 ATOM 5 CA ARG S 336 42.134 56.792 -55.265 1.00120.44 ATOM 6 CA SER S 337 43.359 60.128 -54.091 1.00 83.71 ATOM 7 CA PRO S 338 45.862 61.661 -51.810 1.00134.50 ATOM 8 CA THR S 339 45.317 60.462 -48.283 1.00 95.95 ATOM 9 CA VAL S 340 46.773 63.622 -46.875 1.00 81.98 ATOM 10 CA VAL S 341 47.504 66.949 -48.436 1.00 38.63 ATOM 11 CA LYS S 342 49.447 69.679 -46.754 1.00 71.47 ATOM 12 CA GLY S 343 49.650 73.268 -47.795 1.00 27.04 ATOM 13 CA VAL S 344 50.363 76.538 -46.195 1.00119.84 ATOM 14 CA ALA S 345 48.397 79.741 -45.764 1.00165.73 ATOM 15 CA GLY S 346 47.436 81.668 -48.895 1.00126.59 ATOM 16 CA SER S 347 48.767 79.047 -51.318 1.00 64.68 ATOM 17 CA SER S 348 46.514 77.150 -53.721 1.00 41.47 ATOM 18 CA VAL S 349 46.102 73.415 -53.792 1.00 92.19 ATOM 19 CA ALA S 350 44.804 70.866 -56.222 1.00 26.82 ATOM 20 CA VAL S 351 43.478 67.444 -55.398 1.00 95.17 ATOM 21 CA LEU S 352 43.131 64.719 -57.985 1.00 47.99 ATOM 22 CA CYS S 353 40.957 61.628 -57.579 1.00 64.99 ATOM 23 CA PRO S 354 40.727 58.672 -59.958 1.00157.50 ATOM 24 CA TYR S 355 37.589 56.633 -60.936 1.00104.19 ATOM 25 CA ASN S 356 35.978 53.890 -63.240 1.00114.35 ATOM 26 CA ARG S 357 33.639 53.621 -66.279 1.00118.92 ATOM 27 CA LYS S 358 30.167 54.008 -64.841 1.00 75.16 ATOM 28 CA GLU S 359 31.847 56.632 -62.837 1.00103.64 ATOM 29 CA SER S 360 32.808 58.628 -65.912 1.00 88.80 ATOM 30 CA LYS S 361 29.190 59.688 -66.292 1.00150.54 ATOM 31 CA SER S 362 28.231 60.033 -62.635 1.00103.15 ATOM 32 CA ILE S 363 28.325 63.212 -60.595 1.00165.80 ATOM 33 CA LYS S 364 31.612 64.079 -58.940 1.00147.77 ATOM 34 CA TYR S 365 31.727 65.867 -55.674 1.00108.16 ATOM 35 CA TRP S 366 33.962 67.286 -52.967 1.00109.30 ATOM 36 CA CYS S 367 32.683 67.385 -49.386 1.00128.35 ATOM 37 CA LEU S 368 33.808 68.238 -45.899 1.00139.81 ATOM 38 CA TRP S 369 33.193 65.638 -43.237 1.00155.42 ATOM 39 CA GLU S 370 30.906 66.617 -40.402 1.00215.03 ATOM 40 CA GLY S 371 31.249 65.238 -36.912 1.00116.30 ATOM 41 CA ALA S 372 28.194 63.677 -35.352 1.00273.64 ATOM 42 CA GLN S 373 26.708 60.295 -34.744 1.00129.56 ATOM 43 CA ASN S 374 24.966 60.925 -37.997 1.00192.43 ATOM 44 CA GLY S 375 26.733 63.558 -39.964 1.00140.96 ATOM 45 CA ARG S 376 26.787 64.363 -43.602 1.00294.56 ATOM 46 CA CYS S 377 29.650 65.701 -45.588 1.00130.73 ATOM 47 CA PRO S 378 28.498 68.978 -46.881 1.00134.93 ATOM 48 CA LEU S 379 28.650 69.250 -50.641 1.00 82.87 ATOM 49 CA LEU S 380 31.345 71.841 -51.145 1.00201.41 ATOM 50 CA VAL S 381 31.466 71.684 -54.961 1.00115.60 ATOM 51 CA ASP S 382 29.952 69.321 -57.514 1.00142.99 ATOM 52 CA SER S 383 30.268 68.412 -61.188 1.00103.39 ATOM 53 CA GLU S 384 26.603 69.275 -61.437 1.00121.01 ATOM 54 CA GLY S 385 27.215 72.973 -61.430 1.00 42.73 ATOM 55 CA TRP S 386 26.722 73.510 -57.739 1.00 56.12 ATOM 56 CA VAL S 387 29.273 75.477 -55.782 1.00 44.48 ATOM 57 CA LYS S 388 29.040 76.361 -52.113 1.00110.61 ATOM 58 CA ALA S 389 29.119 79.967 -51.057 1.00 24.42 ATOM 59 CA GLN S 390 32.367 79.582 -49.215 1.00 95.40 ATOM 60 CA TYR S 391 33.975 78.042 -52.272 1.00193.01 ATOM 61 CA GLU S 392 32.311 80.143 -54.968 1.00100.03 ATOM 62 CA GLY S 393 35.046 81.777 -56.993 1.00 34.61 ATOM 63 CA ARG S 394 37.686 80.317 -54.696 1.00197.00 ATOM 64 CA LEU S 395 37.614 76.772 -56.026 1.00117.70 ATOM 65 CA SER S 396 36.969 74.726 -59.131 1.00 42.96 ATOM 66 CA LEU S 397 36.159 71.109 -59.932 1.00 78.60 ATOM 67 CA LEU S 398 37.090 69.711 -63.313 1.00149.43 ATOM 68 CA GLU S 399 36.443 66.249 -64.636 1.00107.90 ATOM 69 CA GLU S 400 38.392 64.598 -67.387 1.00109.02 ATOM 70 CA PRO S 401 36.847 61.294 -68.192 1.00 76.41 ATOM 71 CA GLY S 402 39.529 59.954 -70.477 1.00 26.76 ATOM 72 CA ASN S 403 42.071 60.192 -67.713 1.00 60.67 ATOM 73 CA GLY S 404 39.579 58.976 -65.192 1.00 58.48 ATOM 74 CA THR S 405 40.260 61.865 -62.917 1.00 73.02 ATOM 75 CA PHE S 406 38.680 65.027 -61.665 1.00 83.08 ATOM 76 CA THR S 407 40.564 67.802 -59.997 1.00110.84 ATOM 77 CA VAL S 408 39.481 70.156 -57.294 1.00 45.60 ATOM 78 CA ILE S 409 41.468 73.330 -57.203 1.00 39.80 ATOM 79 CA LEU S 410 41.194 75.520 -54.167 1.00140.02 ATOM 80 CA ASN S 411 42.801 78.903 -53.712 1.00 99.87 ATOM 81 CA GLN S 412 43.258 81.234 -50.775 1.00 70.76 ATOM 82 CA LEU S 413 43.648 78.399 -48.336 1.00 66.25 ATOM 83 CA THR S 414 42.854 79.633 -44.869 1.00105.54 ATOM 84 CA SER S 415 42.932 78.221 -41.374 1.00 33.75 ATOM 85 CA ARG S 416 39.324 77.205 -41.851 1.00158.44 ATOM 86 CA ASP S 417 40.317 74.847 -44.643 1.00 78.32 ATOM 87 CA ALA S 418 42.179 72.329 -42.529 1.00 34.42 ATOM 88 CA GLY S 419 39.949 69.341 -42.009 1.00 24.83 ATOM 89 CA PHE S 420 38.635 66.122 -43.488 1.00 96.18 ATOM 90 CA TYR S 421 37.152 66.000 -46.937 1.00 82.67 ATOM 91 CA TRP S 422 35.911 63.398 -49.363 1.00 90.00 ATOM 92 CA CYS S 423 35.963 63.179 -53.137 1.00 68.91 ATOM 93 CA LEU S 424 33.412 60.792 -54.473 1.00159.07 ATOM 94 CA THR S 425 31.058 59.835 -57.277 1.00 70.17 ATOM 95 CA ASN S 426 27.239 59.854 -57.230 1.00157.71 ATOM 96 CA GLY S 427 25.463 60.493 -53.953 1.00 34.16 ATOM 97 CA ASP S 428 27.420 61.435 -50.848 1.00 67.01 ATOM 98 CA THR S 429 25.787 58.750 -48.732 1.00112.14 ATOM 99 CA LEU S 430 26.853 55.933 -51.018 1.00 70.63 ATOM 100 CA TRP S 431 30.370 56.282 -49.668 1.00141.75 ATOM 101 CA ARG S 432 31.997 55.438 -52.953 1.00185.54 ATOM 102 CA THR S 433 34.528 58.112 -52.094 1.00126.66 ATOM 103 CA THR S 434 38.023 58.513 -50.792 1.00112.49 ATOM 104 CA VAL S 435 38.827 60.403 -47.643 1.00 36.22 ATOM 105 CA GLU S 436 41.370 63.153 -47.828 1.00 78.91 ATOM 106 CA ILE S 437 42.852 65.028 -44.923 1.00 80.88 ATOM 107 CA LYS S 438 43.904 68.545 -45.638 1.00 82.43 ATOM 108 CA ILE S 439 46.151 70.418 -43.278 1.00 33.94 ATOM 109 CA ILE S 440 46.687 74.069 -43.973 1.00130.48 ATOM 110 CA GLU S 441 49.968 73.725 -41.857 1.00 0.00 TER