HEADER IMMUNE SYSTEM 20-SEP-07 2RCJ TITLE Solution structure of human Immunoglobulin M COMPND MOL_ID: 1; COMPND 2 MOLECULE: Immunoglobulin M heavy chain; COMPND 3 CHAIN: A, B, E, F, I, J, M, N, Q, R; EXPDTA SOLUTION SCATTERING DBREF 2RCJ F 1 218 PDB 2RCJ 2RCJ 1 218 SEQRES 1 F 106 VAL VAL GLN PRO GLY ARG SER LEU ARG LEU SER CYS SER SEQRES 2 F 106 SER SER GLY PHE ILE PHE SER SER TYR ALA MET TYR TRP SEQRES 3 F 106 VAL ARG GLN ALA PRO GLY LYS GLY LEU GLU TRP VAL ALA SEQRES 4 F 106 ILE ILE TRP ASP ASP GLY SER ASP GLN HIS TYR ALA ASP SEQRES 5 F 106 SER VAL LYS GLY ARG PHE THR ILE SER ARG ASN ASP SER SEQRES 6 F 106 LYS ASN THR LEU PHE LEU GLN MET ASP SER LEU ARG PRO SEQRES 7 F 106 GLU ASP THR GLY VAL TYR PHE CYS ALA ARG ASP GLY GLY SEQRES 8 F 106 SER SER ALA PRO ASP TYR TRP GLY GLN GLY THR PRO VAL SEQRES 9 F 106 THR VAL ATOM 1 CA VAL F 11 -152.827 1.159 -9.400 1.00 20.00 ATOM 2 CA VAL F 12 -152.097 -2.372 -10.623 1.00 20.00 ATOM 3 CA GLN F 13 -149.788 -4.230 -12.943 1.00 20.00 ATOM 4 CA PRO F 14 -150.905 -6.020 -16.157 1.00 20.00 ATOM 5 CA GLY F 15 -152.906 -9.182 -15.732 1.00 20.00 ATOM 6 CA ARG F 16 -154.145 -8.286 -12.244 1.00 20.00 ATOM 7 CA SER F 17 -157.679 -7.527 -10.976 1.00 20.00 ATOM 8 CA LEU F 18 -159.825 -4.826 -9.447 1.00 20.00 ATOM 9 CA ARG F 19 -163.417 -4.421 -8.370 1.00 20.00 ATOM 10 CA LEU F 20 -165.259 -1.138 -8.591 1.00 20.00 ATOM 11 CA SER F 21 -168.402 -0.281 -6.707 1.00 20.00 ATOM 12 CA CYS F 22 -170.988 2.449 -7.189 1.00 20.00 ATOM 13 CA SER F 23 -173.209 3.191 -4.283 1.00 20.00 ATOM 14 CA SER F 24 -176.403 5.119 -4.860 1.00 20.00 ATOM 15 CA SER F 25 -179.109 7.156 -3.064 1.00 20.00 ATOM 16 CA GLY F 26 -182.007 9.544 -3.901 1.00 20.00 ATOM 17 CA PHE F 27 -183.891 7.135 -6.241 1.00 20.00 ATOM 18 CA ILE F 28 -185.497 3.689 -6.544 1.00 20.00 ATOM 19 CA PHE F 29 -182.367 1.976 -7.696 1.00 20.00 ATOM 20 CA SER F 30 -184.012 -1.216 -8.942 1.00 20.00 ATOM 21 CA SER F 31 -186.000 0.727 -11.568 1.00 20.00 ATOM 22 CA TYR F 32 -183.215 1.937 -13.750 1.00 20.00 ATOM 23 CA ALA F 33 -180.506 0.533 -15.996 1.00 20.00 ATOM 24 CA MET F 34 -176.980 1.456 -14.832 1.00 20.00 ATOM 25 CA TYR F 35 -173.817 2.217 -16.835 1.00 20.00 ATOM 26 CA TRP F 36 -170.052 2.111 -16.523 1.00 20.00 ATOM 27 CA VAL F 37 -168.157 4.645 -18.697 1.00 20.00 ATOM 28 CA ARG F 38 -164.447 5.354 -18.674 1.00 20.00 ATOM 29 CA GLN F 39 -162.058 8.099 -19.729 1.00 20.00 ATOM 30 CA ALA F 40 -158.393 7.508 -20.580 1.00 20.00 ATOM 31 CA PRO F 41 -156.157 10.457 -19.846 1.00 20.00 ATOM 32 CA GLY F 42 -156.295 12.890 -22.712 1.00 20.00 ATOM 33 CA LYS F 43 -158.971 10.912 -24.498 1.00 20.00 ATOM 34 CA GLY F 44 -162.763 10.934 -24.838 1.00 20.00 ATOM 35 CA LEU F 45 -165.638 9.127 -23.079 1.00 20.00 ATOM 36 CA GLU F 46 -165.784 5.375 -23.787 1.00 20.00 ATOM 37 CA TRP F 47 -168.841 3.299 -22.731 1.00 20.00 ATOM 38 CA VAL F 48 -167.931 0.072 -20.885 1.00 20.00 ATOM 39 CA ALA F 49 -171.150 -1.693 -19.924 1.00 20.00 ATOM 40 CA ILE F 50 -174.863 -1.530 -19.165 1.00 20.00 ATOM 41 CA ILE F 51 -177.014 -3.700 -16.921 1.00 20.00 ATOM 42 CA TRP F 52 -180.829 -3.862 -16.916 1.00 20.00 ATOM 43 CA ASP F 53 -182.945 -2.811 -13.946 1.00 20.00 ATOM 44 CA ASP F 54 -183.431 -6.432 -12.778 1.00 20.00 ATOM 45 CA GLY F 55 -179.979 -7.549 -13.972 1.00 20.00 ATOM 46 CA SER F 56 -181.561 -9.968 -16.418 1.00 20.00 ATOM 47 CA ASP F 57 -179.183 -8.921 -19.132 1.00 20.00 ATOM 48 CA GLN F 58 -175.921 -7.044 -19.496 1.00 20.00 ATOM 49 CA HIS F 59 -174.011 -5.682 -22.526 1.00 20.00 ATOM 50 CA TYR F 60 -170.321 -4.862 -22.922 1.00 20.00 ATOM 51 CA ALA F 61 -167.913 -2.880 -25.112 1.00 20.00 ATOM 52 CA ASP F 62 -165.972 -5.218 -27.445 1.00 20.00 ATOM 53 CA SER F 63 -162.623 -4.268 -25.800 1.00 20.00 ATOM 54 CA VAL F 64 -163.760 -5.536 -22.438 1.00 20.00 ATOM 55 CA LYS F 65 -165.997 -8.471 -23.108 1.00 20.00 ATOM 56 CA GLY F 66 -164.989 -11.474 -21.082 1.00 20.00 ATOM 57 CA ARG F 67 -162.562 -9.626 -18.802 1.00 20.00 ATOM 58 CA PHE F 68 -165.154 -7.362 -17.143 1.00 20.00 ATOM 59 CA THR F 69 -168.380 -8.322 -15.346 1.00 20.00 ATOM 60 CA ILE F 70 -171.146 -5.860 -14.495 1.00 20.00 ATOM 61 CA SER F 71 -173.528 -6.873 -11.768 1.00 20.00 ATOM 62 CA ARG F 72 -175.782 -5.210 -9.234 1.00 20.00 ATOM 63 CA ASN F 73 -177.337 -5.640 -5.850 1.00 20.00 ATOM 64 CA ASP F 74 -180.778 -3.994 -5.807 1.00 20.00 ATOM 65 CA SER F 75 -180.976 -4.920 -2.191 1.00 20.00 ATOM 66 CA LYS F 76 -178.038 -2.747 -1.328 1.00 20.00 ATOM 67 CA ASN F 77 -178.541 -0.186 -4.158 1.00 20.00 ATOM 68 CA THR F 78 -174.955 -0.918 -5.458 1.00 20.00 ATOM 69 CA LEU F 79 -173.437 -1.472 -8.857 1.00 20.00 ATOM 70 CA PHE F 80 -170.220 -3.498 -9.336 1.00 20.00 ATOM 71 CA LEU F 81 -167.543 -3.781 -11.992 1.00 20.00 ATOM 72 CA GLN F 82 -165.263 -6.857 -11.701 1.00 20.00 ATOM 73 CA MET F 83 -162.236 -6.147 -13.810 1.00 20.00 ATOM 74 CA ASP F 84 -160.073 -9.158 -14.585 1.00 20.00 ATOM 75 CA SER F 85 -156.812 -9.538 -16.563 1.00 20.00 ATOM 76 CA LEU F 86 -156.385 -5.801 -16.724 1.00 20.00 ATOM 77 CA ARG F 87 -154.410 -4.203 -19.565 1.00 20.00 ATOM 78 CA PRO F 88 -152.525 -0.878 -19.698 1.00 20.00 ATOM 79 CA GLU F 89 -155.129 0.353 -22.161 1.00 20.00 ATOM 80 CA ASP F 90 -157.694 0.053 -19.421 1.00 20.00 ATOM 81 CA THR F 91 -156.164 2.985 -17.591 1.00 20.00 ATOM 82 CA GLY F 92 -158.764 5.704 -17.052 1.00 20.00 ATOM 83 CA VAL F 93 -161.289 7.376 -14.789 1.00 20.00 ATOM 84 CA TYR F 94 -164.333 5.136 -14.300 1.00 20.00 ATOM 85 CA PHE F 95 -167.792 6.645 -13.958 1.00 20.00 ATOM 86 CA CYS F 96 -171.036 4.998 -13.136 1.00 20.00 ATOM 87 CA ALA F 97 -174.203 6.557 -14.484 1.00 20.00 ATOM 88 CA ARG F 98 -177.947 6.054 -14.275 1.00 20.00 ATOM 89 CA ASP F 99 -179.991 5.353 -17.411 1.00 20.00 ATOM 90 CA GLY F 100 -182.808 7.869 -17.352 1.00 20.00 ATOM 91 CA GLY F 101 -185.441 5.659 -18.986 1.00 20.00 ATOM 92 CA SER F 102 -183.870 4.915 -22.183 1.00 20.00 ATOM 93 CA SER F 103 -180.817 5.497 -24.383 1.00 20.00 ATOM 94 CA ALA F 104 -179.401 7.271 -21.345 1.00 20.00 ATOM 95 CA PRO F 105 -176.989 8.394 -19.015 1.00 20.00 ATOM 96 CA ASP F 106 -178.714 11.070 -17.020 1.00 20.00 ATOM 97 CA TYR F 107 -176.952 11.407 -13.749 1.00 20.00 ATOM 98 CA TRP F 108 -173.247 10.580 -13.360 1.00 20.00 ATOM 99 CA GLY F 109 -170.916 9.838 -10.451 1.00 20.00 ATOM 100 CA GLN F 110 -167.597 11.555 -9.742 1.00 20.00 ATOM 101 CA GLY F 111 -165.201 8.930 -11.126 1.00 20.00 ATOM 102 CA THR F 112 -162.696 6.513 -9.657 1.00 20.00 ATOM 103 CA PRO F 113 -159.218 6.367 -11.323 1.00 20.00 ATOM 104 CA VAL F 114 -157.675 3.137 -12.568 1.00 20.00 ATOM 105 CA THR F 115 -153.994 2.910 -13.491 1.00 20.00 ATOM 106 CA VAL F 116 -152.600 -0.240 -15.124 1.00 20.00 TER