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 D 123 462 UNP P01877 IGHA2_HUMAN 1 340 SEQRES 1 D 122 GLN VAL LYS LEU LEU GLU GLN SER GLY ALA GLU VAL LYS SEQRES 2 D 122 LYS PRO GLY ALA SER VAL LYS VAL SER CYS LYS ALA SER SEQRES 3 D 122 GLY TYR SER PHE THR SER TYR GLY LEU HIS TRP VAL ARG SEQRES 4 D 122 GLN ALA PRO GLY GLN ARG LEU GLU TRP MET GLY TRP ILE SEQRES 5 D 122 SER ALA GLY THR GLY ASN THR LYS TYR SER GLN LYS PHE SEQRES 6 D 122 ARG GLY ARG VAL THR PHE THR ARG ASP THR SER ALA THR SEQRES 7 D 122 THR ALA TYR MET GLY LEU SER SER LEU ARG PRO GLU ASP SEQRES 8 D 122 THR ALA VAL TYR TYR CYS ALA ARG ASP PRO TYR GLY GLY SEQRES 9 D 122 GLY LYS SER GLU PHE ASP TYR TRP GLY GLN GLY THR LEU SEQRES 10 D 122 VAL THR VAL SER SER ATOM 1 CA GLN D 1 99.752 127.056-136.779 0.00 0.00 ATOM 2 CA VAL D 2 96.964 126.866-134.201 0.00 0.00 ATOM 3 CA LYS D 3 93.917 128.691-135.608 0.00 0.00 ATOM 4 CA LEU D 4 94.897 132.138-136.973 0.00 0.00 ATOM 5 CA LEU D 5 93.453 134.373-134.255 0.00 0.00 ATOM 6 CA GLU D 6 92.729 132.399-131.057 0.00 0.00 ATOM 7 CA GLN D 7 90.746 134.423-128.499 0.00 0.00 ATOM 8 CA SER D 8 90.002 133.830-124.800 0.00 0.00 ATOM 9 CA GLY D 9 87.074 132.367-122.860 0.00 0.00 ATOM 10 CA ALA D 10 83.672 133.498-121.592 0.00 0.00 ATOM 11 CA GLU D 11 84.155 135.535-118.405 0.00 0.00 ATOM 12 CA VAL D 12 81.154 135.756-116.076 0.00 0.00 ATOM 13 CA LYS D 13 81.240 139.232-114.533 0.00 0.00 ATOM 14 CA LYS D 14 78.873 140.678-111.936 0.00 0.00 ATOM 15 CA PRO D 15 77.271 144.049-112.906 0.00 0.00 ATOM 16 CA GLY D 16 79.742 146.817-112.125 0.00 0.00 ATOM 17 CA ALA D 17 82.940 144.860-112.764 0.00 0.00 ATOM 18 CA SER D 18 85.716 144.822-115.376 0.00 0.00 ATOM 19 CA VAL D 19 86.408 142.489-118.321 0.00 0.00 ATOM 20 CA LYS D 20 89.567 141.994-120.415 0.00 0.00 ATOM 21 CA VAL D 21 89.351 139.808-123.535 0.00 0.00 ATOM 22 CA SER D 22 92.550 138.969-125.440 0.00 0.00 ATOM 23 CA CYS D 23 93.258 138.095-129.092 0.00 0.00 ATOM 24 CA LYS D 24 96.331 135.966-129.865 0.00 0.00 ATOM 25 CA ALA D 25 97.655 136.041-133.438 0.00 0.00 ATOM 26 CA SER D 26 99.889 133.723-135.477 0.00 0.00 ATOM 27 CA GLY D 27 101.015 132.703-138.951 0.00 0.00 ATOM 28 CA TYR D 28 101.302 136.304-140.143 0.00 0.00 ATOM 29 CA SER D 29 103.218 139.462-139.207 0.00 0.00 ATOM 30 CA PHE D 30 101.634 141.258-136.235 0.00 0.00 ATOM 31 CA THR D 31 103.101 144.742-136.782 0.00 0.00 ATOM 32 CA SER D 32 101.730 144.910-140.339 0.00 0.00 ATOM 33 CA TYR D 33 97.967 144.496-139.788 0.00 0.00 ATOM 34 CA GLY D 34 95.343 146.055-137.518 0.00 0.00 ATOM 35 CA LEU D 35 92.580 144.496-135.390 0.00 0.00 ATOM 36 CA HIS D 36 88.919 145.547-135.054 0.00 0.00 ATOM 37 CA TRP D 37 86.505 144.489-132.294 0.00 0.00 ATOM 38 CA VAL D 38 82.883 143.569-133.094 0.00 0.00 ATOM 39 CA ARG D 39 80.258 142.002-130.800 0.00 0.00 ATOM 40 CA GLN D 40 76.704 140.594-131.077 0.00 0.00 ATOM 41 CA ALA D 41 73.810 140.568-128.588 0.00 0.00 ATOM 42 CA PRO D 42 71.645 137.388-128.436 0.00 0.00 ATOM 43 CA GLY D 43 69.121 137.893-131.222 0.00 0.00 ATOM 44 CA GLN D 44 70.513 141.194-132.523 0.00 0.00 ATOM 45 CA ARG D 45 72.890 142.479-135.227 0.00 0.00 ATOM 46 CA LEU D 46 76.685 142.880-135.008 0.00 0.00 ATOM 47 CA GLU D 47 77.923 146.169-133.519 0.00 0.00 ATOM 48 CA TRP D 48 81.394 147.632-134.128 0.00 0.00 ATOM 49 CA MET D 49 83.243 148.613-130.941 0.00 0.00 ATOM 50 CA GLY D 50 86.617 149.889-132.121 0.00 0.00 ATOM 51 CA TRP D 51 90.046 149.386-133.682 0.00 0.00 ATOM 52 CA ILE D 52 93.742 149.487-132.741 0.00 0.00 ATOM 53 CA SER D 53 96.869 149.538-134.917 0.00 0.00 ATOM 54 CA ALA D 54 99.523 146.972-133.981 0.00 0.00 ATOM 55 CA GLY D 55 102.299 149.133-135.413 0.00 0.00 ATOM 56 CA THR D 56 101.945 152.462-133.604 0.00 0.00 ATOM 57 CA GLY D 57 99.146 151.905-131.089 0.00 0.00 ATOM 58 CA ASN D 58 96.524 154.448-132.167 0.00 0.00 ATOM 59 CA THR D 59 93.014 154.005-130.742 0.00 0.00 ATOM 60 CA LYS D 60 89.831 154.622-132.758 0.00 0.00 ATOM 61 CA TYR D 61 86.601 153.561-131.031 0.00 0.00 ATOM 62 CA SER D 62 82.952 154.571-131.457 0.00 0.00 ATOM 63 CA GLN D 63 81.048 157.271-129.549 0.00 0.00 ATOM 64 CA LYS D 64 78.780 154.587-128.065 0.00 0.00 ATOM 65 CA PHE D 65 81.167 153.227-125.425 0.00 0.00 ATOM 66 CA ARG D 66 82.819 156.616-124.841 0.00 0.00 ATOM 67 CA GLY D 67 84.642 156.733-121.515 0.00 0.00 ATOM 68 CA ARG D 68 84.637 153.028-120.627 0.00 0.00 ATOM 69 CA VAL D 69 86.569 151.255-123.389 0.00 0.00 ATOM 70 CA THR D 70 90.310 150.766-123.865 0.00 0.00 ATOM 71 CA PHE D 71 92.607 148.884-126.249 0.00 0.00 ATOM 72 CA THR D 72 96.123 147.638-125.452 0.00 0.00 ATOM 73 CA ARG D 73 98.679 145.571-127.394 0.00 0.00 ATOM 74 CA ASP D 74 101.845 143.658-126.469 0.00 0.00 ATOM 75 CA THR D 75 104.448 143.750-129.263 0.00 0.00 ATOM 76 CA SER D 76 106.679 140.873-128.112 0.00 0.00 ATOM 77 CA ALA D 77 103.735 138.671-127.081 0.00 0.00 ATOM 78 CA THR D 78 101.578 138.920-130.228 0.00 0.00 ATOM 79 CA THR D 79 98.247 139.424-128.422 0.00 0.00 ATOM 80 CA ALA D 80 95.642 142.210-128.546 0.00 0.00 ATOM 81 CA TYR D 81 93.459 143.347-125.632 0.00 0.00 ATOM 82 CA MET D 82 90.132 145.046-124.882 0.00 0.00 ATOM 83 CA GLY D 83 88.803 146.658-121.707 0.00 0.00 ATOM 84 CA LEU D 84 85.298 147.645-120.564 0.00 0.00 ATOM 85 CA SER D 85 84.411 149.033-117.116 0.00 0.00 ATOM 86 CA SER D 86 80.963 149.466-115.513 0.00 0.00 ATOM 87 CA LEU D 87 79.364 146.375-117.090 0.00 0.00 ATOM 88 CA ARG D 88 75.567 146.210-117.378 0.00 0.00 ATOM 89 CA PRO D 89 72.928 143.430-117.823 0.00 0.00 ATOM 90 CA GLU D 90 72.619 144.410-121.496 0.00 0.00 ATOM 91 CA ASP D 91 76.265 143.760-122.410 0.00 0.00 ATOM 92 CA THR D 92 75.636 140.006-122.739 0.00 0.00 ATOM 93 CA ALA D 93 77.130 139.469-126.203 0.00 0.00 ATOM 94 CA VAL D 94 79.654 137.466-128.214 0.00 0.00 ATOM 95 CA TYR D 95 82.770 139.543-128.904 0.00 0.00 ATOM 96 CA TYR D 96 85.110 138.982-131.864 0.00 0.00 ATOM 97 CA CYS D 97 88.483 140.379-132.947 0.00 0.00 ATOM 98 CA ALA D 98 88.729 140.736-136.726 0.00 0.00 ATOM 99 CA ARG D 99 91.887 141.656-138.652 0.00 0.00 ATOM 100 CA ASP D 100 92.686 144.670-140.859 0.00 0.00 ATOM 101 CA PRO D 101 93.848 143.658-144.396 0.00 0.00 ATOM 102 CA TYR D 102 95.123 147.207-144.996 0.00 0.00 ATOM 103 CA GLY D 103 96.083 148.778-141.670 0.00 0.00 ATOM 104 CA GLY D 104 93.999 151.891-142.242 0.00 0.00 ATOM 105 CA GLY D 105 91.239 151.517-139.676 0.00 0.00 ATOM 106 CA LYS D 106 88.366 151.482-142.165 0.00 0.00 ATOM 107 CA SER D 107 87.753 148.370-144.287 0.00 0.00 ATOM 108 CA GLU D 108 86.415 144.789-144.353 0.00 0.00 ATOM 109 CA PHE D 109 87.182 141.781-142.124 0.00 0.00 ATOM 110 CA ASP D 110 88.844 138.694-143.632 0.00 0.00 ATOM 111 CA TYR D 111 89.745 136.776-140.456 0.00 0.00 ATOM 112 CA TRP D 112 87.391 136.288-137.497 0.00 0.00 ATOM 113 CA GLY D 113 88.018 134.559-134.172 0.00 0.00 ATOM 114 CA GLN D 114 85.944 132.042-132.204 0.00 0.00 ATOM 115 CA GLY D 115 84.177 134.622-130.050 0.00 0.00 ATOM 116 CA THR D 116 83.867 135.269-126.317 0.00 0.00 ATOM 117 CA LEU D 117 80.455 135.306-124.623 0.00 0.00 ATOM 118 CA VAL D 118 80.652 137.653-121.627 0.00 0.00 ATOM 119 CA THR D 119 77.455 137.319-119.578 0.00 0.00 ATOM 120 CA VAL D 120 76.845 140.009-116.957 0.00 0.00 ATOM 121 CA SER D 121 74.452 138.760-114.258 0.00 0.00 ATOM 122 CA SER D 122 74.417 138.976-110.449 0.00 0.00 TER