HEADER IMMUNE SYSTEM/TRANSPORT PROTEIN 26-OCT-05 2ESG TITLE Solution structure of the complex between immunoglobulin IgA1 and TITLE 2 human serum albumin COMPND MOL_ID: 2; COMPND 2 MOLECULE: Immunoglobulin A1 heavy chain; COMPND 3 CHAIN: A, B; EXPDTA SOLUTION SCATTERING DBREF 2ESG B 1 475 PDB 2ESG 2ESG 1 475 SEQRES 1 B 118 THR PRO PRO THR PRO SER PRO SER THR PRO PRO THR PRO SEQRES 2 B 118 SER PRO SER CYS CYS HIS PRO ARG LEU SER LEU HIS ARG SEQRES 3 B 118 PRO ALA LEU GLU ASP LEU LEU LEU GLY SER GLU ALA ASN SEQRES 4 B 118 LEU THR CYS THR LEU THR GLY LEU ARG ASP ALA SER GLY SEQRES 5 B 118 VAL THR PHE THR TRP THR PRO SER SER GLY LYS SER ALA SEQRES 6 B 118 VAL GLN GLY PRO PRO GLU ARG ASP LEU CYS GLY CYS TYR SEQRES 7 B 118 SER VAL SER SER VAL LEU PRO GLY CYS ALA GLU PRO TRP SEQRES 8 B 118 ASN HIS GLY LYS THR PHE THR CYS THR ALA ALA TYR PRO SEQRES 9 B 118 GLU SER LYS THR PRO LEU THR ALA THR LEU SER LYS SER SEQRES 10 B 118 GLY ATOM 1 CA THR B 228 -44.150 3.811 -19.583 0.00 0.00 ATOM 2 CA PRO B 229 -40.893 4.259 -17.409 0.00 0.00 ATOM 3 CA PRO B 230 -37.448 5.483 -15.751 0.00 0.00 ATOM 4 CA THR B 231 -34.081 5.200 -13.546 0.00 0.00 ATOM 5 CA PRO B 232 -31.337 6.677 -10.961 0.00 0.00 ATOM 6 CA SER B 233 -27.572 7.056 -9.548 0.00 0.00 ATOM 7 CA PRO B 234 -24.777 7.051 -6.643 0.00 0.00 ATOM 8 CA SER B 235 -21.547 8.759 -4.962 0.00 0.00 ATOM 9 CA THR B 236 -17.621 8.821 -4.163 0.00 0.00 ATOM 10 CA PRO B 237 -14.935 9.658 -1.339 0.00 0.00 ATOM 11 CA PRO B 238 -11.905 12.189 -1.231 0.00 0.00 ATOM 12 CA THR B 239 -8.563 10.530 -2.443 0.00 0.00 ATOM 13 CA PRO B 240 -4.895 12.132 -2.592 0.00 0.00 ATOM 14 CA SER B 241 -2.258 13.611 -4.507 0.00 0.00 ATOM 15 CA PRO B 242 -1.490 16.670 -7.134 0.00 0.00 ATOM 16 CA SER B 243 0.158 18.845 -9.943 0.00 0.00 ATOM 17 CA CYS B 244 0.710 18.715 -12.946 0.00 0.00 ATOM 18 CA CYS B 245 3.867 17.395 -11.219 0.00 0.00 ATOM 19 CA HIS B 246 4.877 14.860 -8.443 0.00 0.00 ATOM 20 CA PRO B 247 8.398 13.140 -8.562 0.00 0.00 ATOM 21 CA ARG B 248 8.039 9.281 -8.751 0.00 0.00 ATOM 22 CA LEU B 249 11.016 6.852 -9.379 0.00 0.00 ATOM 23 CA SER B 250 10.049 3.485 -11.048 0.00 0.00 ATOM 24 CA LEU B 251 12.215 0.458 -12.096 0.00 0.00 ATOM 25 CA HIS B 252 10.745 -1.779 -14.882 0.00 0.00 ATOM 26 CA ARG B 253 12.529 -5.234 -14.998 0.00 0.00 ATOM 27 CA PRO B 254 13.730 -7.129 -18.185 0.00 0.00 ATOM 28 CA ALA B 255 11.223 -9.590 -19.870 0.00 0.00 ATOM 29 CA LEU B 256 11.701 -13.419 -19.346 0.00 0.00 ATOM 30 CA GLU B 257 11.280 -14.552 -23.037 0.00 0.00 ATOM 31 CA ASP B 258 13.779 -11.938 -24.485 0.00 0.00 ATOM 32 CA LEU B 259 16.551 -12.574 -21.846 0.00 0.00 ATOM 33 CA LEU B 260 16.258 -16.421 -22.343 0.00 0.00 ATOM 34 CA LEU B 261 15.991 -16.435 -26.221 0.00 0.00 ATOM 35 CA GLY B 262 19.219 -14.636 -27.384 0.00 0.00 ATOM 36 CA SER B 263 20.435 -12.731 -24.200 0.00 0.00 ATOM 37 CA GLU B 264 18.260 -9.563 -24.733 0.00 0.00 ATOM 38 CA ALA B 265 17.605 -7.847 -21.326 0.00 0.00 ATOM 39 CA ASN B 266 17.279 -4.113 -20.440 0.00 0.00 ATOM 40 CA LEU B 267 16.601 -2.865 -16.879 0.00 0.00 ATOM 41 CA THR B 268 14.712 0.404 -17.330 0.00 0.00 ATOM 42 CA CYS B 269 14.803 3.417 -14.949 0.00 0.00 ATOM 43 CA THR B 270 11.925 5.926 -15.142 0.00 0.00 ATOM 44 CA LEU B 271 11.772 9.252 -13.172 0.00 0.00 ATOM 45 CA THR B 272 8.153 10.528 -13.232 0.00 0.00 ATOM 46 CA GLY B 273 7.230 13.762 -11.308 0.00 0.00 ATOM 47 CA LEU B 274 10.283 16.110 -11.798 0.00 0.00 ATOM 48 CA ARG B 275 8.631 19.656 -11.807 0.00 0.00 ATOM 49 CA ASP B 276 9.460 22.699 -14.110 0.00 0.00 ATOM 50 CA ALA B 277 13.059 23.959 -15.029 0.00 0.00 ATOM 51 CA SER B 278 14.864 20.693 -14.218 0.00 0.00 ATOM 52 CA GLY B 279 17.306 17.802 -15.071 0.00 0.00 ATOM 53 CA VAL B 280 18.025 14.259 -13.697 0.00 0.00 ATOM 54 CA THR B 281 21.518 12.668 -13.145 0.00 0.00 ATOM 55 CA PHE B 282 21.662 8.845 -13.290 0.00 0.00 ATOM 56 CA THR B 283 24.193 6.488 -11.553 0.00 0.00 ATOM 57 CA TRP B 284 23.848 2.769 -12.630 0.00 0.00 ATOM 58 CA THR B 285 25.919 -0.176 -11.191 0.00 0.00 ATOM 59 CA PRO B 286 27.733 -2.165 -14.002 0.00 0.00 ATOM 60 CA SER B 287 26.615 -5.744 -14.994 0.00 0.00 ATOM 61 CA SER B 288 28.942 -8.681 -13.984 0.00 0.00 ATOM 62 CA GLY B 289 31.348 -8.663 -17.036 0.00 0.00 ATOM 63 CA LYS B 290 32.460 -5.000 -16.312 0.00 0.00 ATOM 64 CA SER B 291 29.655 -3.361 -18.408 0.00 0.00 ATOM 65 CA ALA B 292 27.813 -0.002 -17.796 0.00 0.00 ATOM 66 CA VAL B 293 26.025 1.565 -20.874 0.00 0.00 ATOM 67 CA GLN B 294 23.145 4.184 -20.656 0.00 0.00 ATOM 68 CA GLY B 295 20.884 6.497 -22.838 0.00 0.00 ATOM 69 CA PRO B 296 18.773 9.154 -20.950 0.00 0.00 ATOM 70 CA PRO B 297 16.221 11.428 -22.841 0.00 0.00 ATOM 71 CA GLU B 298 13.875 13.973 -21.075 0.00 0.00 ATOM 72 CA ARG B 299 10.188 13.466 -22.060 0.00 0.00 ATOM 73 CA ASP B 300 7.362 15.827 -20.849 0.00 0.00 ATOM 74 CA LEU B 301 4.468 13.410 -19.852 0.00 0.00 ATOM 75 CA CYS B 302 1.038 14.801 -18.618 0.00 0.00 ATOM 76 CA GLY B 303 2.645 18.273 -18.234 0.00 0.00 ATOM 77 CA CYS B 304 6.048 17.480 -16.521 0.00 0.00 ATOM 78 CA TYR B 305 9.561 15.988 -17.312 0.00 0.00 ATOM 79 CA SER B 306 10.490 12.227 -17.134 0.00 0.00 ATOM 80 CA VAL B 307 14.204 11.124 -17.387 0.00 0.00 ATOM 81 CA SER B 308 13.921 7.547 -18.645 0.00 0.00 ATOM 82 CA SER B 309 17.341 5.885 -18.853 0.00 0.00 ATOM 83 CA VAL B 310 18.009 2.242 -19.921 0.00 0.00 ATOM 84 CA LEU B 311 20.898 -0.173 -19.045 0.00 0.00 ATOM 85 CA PRO B 312 21.327 -3.103 -21.572 0.00 0.00 ATOM 86 CA GLY B 313 22.228 -6.435 -19.843 0.00 0.00 ATOM 87 CA CYS B 314 23.342 -10.028 -20.580 0.00 0.00 ATOM 88 CA ALA B 315 21.566 -13.302 -19.494 0.00 0.00 ATOM 89 CA GLU B 316 24.393 -14.520 -17.092 0.00 0.00 ATOM 90 CA PRO B 317 24.218 -11.607 -14.477 0.00 0.00 ATOM 91 CA TRP B 318 20.351 -11.962 -14.337 0.00 0.00 ATOM 92 CA ASN B 319 20.424 -15.862 -14.155 0.00 0.00 ATOM 93 CA HIS B 320 23.392 -16.153 -11.629 0.00 0.00 ATOM 94 CA GLY B 321 22.334 -13.324 -9.181 0.00 0.00 ATOM 95 CA LYS B 322 23.339 -9.634 -9.786 0.00 0.00 ATOM 96 CA THR B 323 21.903 -6.500 -7.999 0.00 0.00 ATOM 97 CA PHE B 324 21.122 -3.609 -10.437 0.00 0.00 ATOM 98 CA THR B 325 21.051 -0.205 -8.726 0.00 0.00 ATOM 99 CA CYS B 326 19.657 2.937 -10.419 0.00 0.00 ATOM 100 CA THR B 327 20.660 5.881 -8.198 0.00 0.00 ATOM 101 CA ALA B 328 19.224 9.208 -9.378 0.00 0.00 ATOM 102 CA ALA B 329 20.347 12.680 -8.060 0.00 0.00 ATOM 103 CA TYR B 330 18.383 16.032 -8.368 0.00 0.00 ATOM 104 CA PRO B 331 18.728 19.265 -6.175 0.00 0.00 ATOM 105 CA GLU B 332 14.971 19.483 -5.164 0.00 0.00 ATOM 106 CA SER B 333 15.168 15.733 -4.117 0.00 0.00 ATOM 107 CA LYS B 334 17.240 16.254 -0.863 0.00 0.00 ATOM 108 CA THR B 335 17.982 12.467 -0.589 0.00 0.00 ATOM 109 CA PRO B 336 19.210 11.070 -4.015 0.00 0.00 ATOM 110 CA LEU B 337 16.896 8.069 -4.790 0.00 0.00 ATOM 111 CA THR B 338 18.444 4.607 -5.014 0.00 0.00 ATOM 112 CA ALA B 339 16.338 1.682 -6.431 0.00 0.00 ATOM 113 CA THR B 340 17.957 -1.814 -6.639 0.00 0.00 ATOM 114 CA LEU B 341 16.687 -4.876 -8.550 0.00 0.00 ATOM 115 CA SER B 342 17.765 -8.600 -8.954 0.00 0.00 ATOM 116 CA LYS B 343 16.504 -12.278 -9.158 0.00 0.00 ATOM 117 CA SER B 344 14.113 -13.823 -6.509 0.00 0.00 ATOM 118 CA GLY B 345 14.497 -16.125 -3.412 0.00 0.00 TER