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: 1; COMPND 2 MOLECULE: Immunoglobulin A1 light chain; COMPND 3 CHAIN: L, M; EXPDTA SOLUTION SCATTERING DBREF 2ESG M 1 214 PDB 2ESG 2ESG 1 214 SEQRES 1 M 107 GLU LEU VAL MET THR GLN SER PRO SER SER LEU SER ALA SEQRES 2 M 107 SER VAL GLY ASP ARG VAL ASN ILE ALA CYS ARG ALA SER SEQRES 3 M 107 GLN GLY ILE SER SER ALA LEU ALA TRP TYR GLN GLN LYS SEQRES 4 M 107 PRO GLY LYS ALA PRO ARG LEU LEU ILE TYR ASP ALA SER SEQRES 5 M 107 ASN LEU GLU SER GLY VAL PRO SER ARG PHE SER GLY SER SEQRES 6 M 107 GLY SER GLY THR ASP PHE THR LEU THR ILE SER SER LEU SEQRES 7 M 107 GLN PRO GLU ASP PHE ALA ILE TYR TYR CYS GLN GLN PHE SEQRES 8 M 107 ASN SER TYR PRO LEU THR PHE GLY GLY GLY THR LYS VAL SEQRES 9 M 107 GLU ILE LYS ATOM 1 CA GLU M 1 -110.963 18.392 -9.843 1.00 44.73 ATOM 2 CA LEU M 2 -109.806 17.127 -6.460 1.00 35.54 ATOM 3 CA VAL M 3 -106.399 18.577 -5.750 1.00 31.56 ATOM 4 CA MET M 4 -103.642 16.320 -4.349 1.00 22.17 ATOM 5 CA THR M 5 -100.831 18.201 -2.603 1.00 21.72 ATOM 6 CA GLN M 6 -97.638 16.455 -1.456 1.00 21.28 ATOM 7 CA SER M 7 -95.323 17.583 1.260 1.00 26.91 ATOM 8 CA PRO M 8 -92.347 18.037 0.952 1.00 23.87 ATOM 9 CA SER M 9 -91.170 18.532 -2.607 1.00 25.30 ATOM 10 CA SER M 10 -87.639 17.241 -1.792 1.00 19.86 ATOM 11 CA LEU M 11 -85.901 15.432 1.053 1.00 23.29 ATOM 12 CA SER M 12 -82.332 14.169 1.475 1.00 23.31 ATOM 13 CA ALA M 13 -81.826 11.528 4.165 1.00 17.57 ATOM 14 CA SER M 14 -79.140 8.968 5.015 1.00 22.73 ATOM 15 CA VAL M 15 -79.610 5.252 4.514 1.00 28.57 ATOM 16 CA GLY M 16 -81.260 3.708 7.560 1.00 21.03 ATOM 17 CA ASP M 17 -83.334 6.834 8.167 1.00 22.77 ATOM 18 CA ARG M 18 -87.090 6.675 8.344 1.00 23.60 ATOM 19 CA VAL M 19 -88.810 9.059 5.902 1.00 23.83 ATOM 20 CA ASN M 20 -92.500 10.107 5.815 1.00 23.16 ATOM 21 CA ILE M 21 -94.108 11.900 2.760 1.00 17.54 ATOM 22 CA ALA M 22 -97.571 13.459 3.207 1.00 16.62 ATOM 23 CA CYS M 23 -100.325 13.882 0.619 1.00 18.46 ATOM 24 CA ARG M 24 -103.526 15.917 1.193 1.00 25.96 ATOM 25 CA ALA M 25 -106.739 15.535 -0.699 1.00 23.98 ATOM 26 CA SER M 26 -108.620 18.903 -1.017 1.00 26.04 ATOM 27 CA GLN M 27 -111.661 16.866 0.178 1.00 30.74 ATOM 28 CA GLY M 28 -112.439 13.354 1.461 1.00 22.50 ATOM 29 CA ILE M 29 -111.487 10.373 -0.718 1.00 23.00 ATOM 30 CA SER M 30 -111.963 7.576 1.855 1.00 28.25 ATOM 31 CA SER M 31 -109.130 5.110 1.050 1.00 24.99 ATOM 32 CA ALA M 32 -108.863 5.667 -2.690 1.00 18.53 ATOM 33 CA LEU M 33 -105.254 6.587 -2.782 1.00 14.34 ATOM 34 CA ALA M 34 -102.401 4.804 -4.586 1.00 12.12 ATOM 35 CA TRP M 35 -98.605 5.672 -4.262 1.00 11.73 ATOM 36 CA TYR M 36 -96.094 5.309 -7.179 1.00 12.91 ATOM 37 CA GLN M 37 -92.335 5.255 -7.342 1.00 14.01 ATOM 38 CA GLN M 38 -90.713 6.675 -10.507 1.00 17.89 ATOM 39 CA LYS M 39 -86.980 6.292 -11.024 1.00 28.11 ATOM 40 CA PRO M 40 -85.808 9.091 -13.273 1.00 48.58 ATOM 41 CA GLY M 41 -86.512 8.183 -16.886 1.00 50.05 ATOM 42 CA LYS M 42 -88.814 5.261 -16.325 1.00 36.39 ATOM 43 CA ALA M 43 -92.364 4.351 -16.156 1.00 25.74 ATOM 44 CA PRO M 44 -93.953 4.857 -12.704 1.00 19.57 ATOM 45 CA ARG M 45 -94.383 1.738 -10.462 1.00 18.49 ATOM 46 CA LEU M 46 -97.194 0.884 -8.059 1.00 16.21 ATOM 47 CA LEU M 47 -96.179 0.489 -4.407 1.00 12.87 ATOM 48 CA ILE M 48 -99.399 0.906 -2.454 1.00 14.65 ATOM 49 CA TYR M 49 -103.137 0.915 -3.417 1.00 17.16 ATOM 50 CA ASP M 50 -106.232 1.566 -1.193 1.00 18.89 ATOM 51 CA ALA M 51 -104.035 3.791 1.082 1.00 18.17 ATOM 52 CA SER M 52 -102.371 0.864 2.811 1.00 20.97 ATOM 53 CA ASN M 53 -102.190 -2.351 0.686 1.00 19.22 ATOM 54 CA LEU M 54 -98.661 -3.191 -0.627 1.00 19.53 ATOM 55 CA GLU M 55 -98.597 -4.412 -4.169 1.00 17.43 ATOM 56 CA SER M 56 -97.076 -7.950 -4.538 1.00 20.00 ATOM 57 CA GLY M 57 -93.226 -7.910 -4.729 1.00 20.01 ATOM 58 CA VAL M 58 -92.799 -4.397 -3.094 1.00 21.23 ATOM 59 CA PRO M 59 -90.338 -4.471 -0.144 1.00 16.07 ATOM 60 CA SER M 60 -91.824 -4.679 3.319 1.00 22.82 ATOM 61 CA ARG M 61 -90.079 -1.357 4.295 1.00 21.29 ATOM 62 CA PHE M 62 -92.752 0.608 2.388 1.00 17.51 ATOM 63 CA SER M 63 -96.027 1.254 4.281 1.00 19.32 ATOM 64 CA GLY M 64 -98.911 3.738 3.823 1.00 20.78 ATOM 65 CA SER M 65 -101.594 5.164 6.108 1.00 23.83 ATOM 66 CA GLY M 66 -104.464 7.675 6.146 1.00 21.33 ATOM 67 CA SER M 67 -108.130 7.903 5.390 1.00 24.78 ATOM 68 CA GLY M 68 -110.330 10.808 4.417 1.00 20.79 ATOM 69 CA THR M 69 -108.013 13.615 3.499 1.00 21.84 ATOM 70 CA ASP M 70 -104.472 12.982 4.913 1.00 22.29 ATOM 71 CA PHE M 71 -102.256 10.108 3.782 1.00 18.92 ATOM 72 CA THR M 72 -98.604 9.152 4.680 1.00 16.74 ATOM 73 CA LEU M 73 -96.119 6.912 2.883 1.00 17.41 ATOM 74 CA THR M 74 -93.285 5.735 5.252 1.00 18.15 ATOM 75 CA ILE M 75 -89.999 4.164 4.078 1.00 18.09 ATOM 76 CA SER M 76 -88.760 2.670 7.327 1.00 26.38 ATOM 77 CA SER M 77 -85.046 2.166 6.492 1.00 21.00 ATOM 78 CA LEU M 78 -84.057 4.193 3.444 1.00 18.63 ATOM 79 CA GLN M 79 -81.837 2.277 1.040 1.00 18.79 ATOM 80 CA PRO M 80 -79.738 3.743 -2.049 1.00 20.11 ATOM 81 CA GLU M 81 -82.089 2.120 -4.496 1.00 20.56 ATOM 82 CA ASP M 82 -84.926 4.206 -3.033 1.00 17.09 ATOM 83 CA PHE M 83 -83.784 7.353 -4.903 1.00 19.73 ATOM 84 CA ALA M 84 -86.864 8.308 -6.931 1.00 14.48 ATOM 85 CA ILE M 85 -89.777 10.762 -7.254 1.00 18.56 ATOM 86 CA TYR M 86 -92.835 9.475 -5.327 1.00 15.43 ATOM 87 CA TYR M 87 -96.505 10.389 -6.400 1.00 12.46 ATOM 88 CA CYS M 88 -99.879 9.915 -4.826 1.00 17.01 ATOM 89 CA GLN M 89 -102.971 9.630 -7.027 1.00 17.53 ATOM 90 CA GLN M 90 -106.720 9.681 -6.015 1.00 15.70 ATOM 91 CA PHE M 91 -109.349 7.501 -7.753 1.00 19.77 ATOM 92 CA ASN M 92 -112.414 8.517 -5.842 1.00 24.81 ATOM 93 CA SER M 93 -113.499 11.048 -8.476 1.00 25.13 ATOM 94 CA TYR M 94 -112.969 11.777 -12.162 1.00 27.26 ATOM 95 CA PRO M 95 -110.619 13.456 -13.361 1.00 22.87 ATOM 96 CA LEU M 96 -108.249 11.121 -11.617 1.00 17.90 ATOM 97 CA THR M 97 -105.480 13.362 -10.233 1.00 20.34 ATOM 98 CA PHE M 98 -101.855 13.102 -9.133 1.00 20.06 ATOM 99 CA GLY M 99 -99.930 14.976 -6.559 1.00 18.84 ATOM 100 CA GLY M 100 -96.878 17.038 -7.505 1.00 20.40 ATOM 101 CA GLY M 101 -94.052 14.642 -6.392 1.00 17.69 ATOM 102 CA THR M 102 -91.568 14.258 -3.569 1.00 17.17 ATOM 103 CA LYS M 103 -88.009 13.701 -4.835 1.00 19.91 ATOM 104 CA VAL M 104 -85.963 11.666 -2.351 1.00 19.16 ATOM 105 CA GLU M 105 -82.149 12.017 -2.730 1.00 24.03 ATOM 106 CA ILE M 106 -79.698 9.894 -0.609 1.00 24.32 ATOM 107 CA LYS M 107 -77.140 11.620 1.736 1.00 25.43 TER