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 J 1 218 PDB 2RCJ 2RCJ 1 218 SEQRES 1 J 106 VAL VAL GLN PRO GLY ARG SER LEU ARG LEU SER CYS SER SEQRES 2 J 106 SER SER GLY PHE ILE PHE SER SER TYR ALA MET TYR TRP SEQRES 3 J 106 VAL ARG GLN ALA PRO GLY LYS GLY LEU GLU TRP VAL ALA SEQRES 4 J 106 ILE ILE TRP ASP ASP GLY SER ASP GLN HIS TYR ALA ASP SEQRES 5 J 106 SER VAL LYS GLY ARG PHE THR ILE SER ARG ASN ASP SER SEQRES 6 J 106 LYS ASN THR LEU PHE LEU GLN MET ASP SER LEU ARG PRO SEQRES 7 J 106 GLU ASP THR GLY VAL TYR PHE CYS ALA ARG ASP GLY GLY SEQRES 8 J 106 SER SER ALA PRO ASP TYR TRP GLY GLN GLY THR PRO VAL SEQRES 9 J 106 THR VAL ATOM 1 CA VAL J 11 -50.472-139.776 -11.894 1.00 20.00 ATOM 2 CA VAL J 12 -46.865-140.005 -13.088 1.00 20.00 ATOM 3 CA GLN J 13 -44.425-138.231 -15.339 1.00 20.00 ATOM 4 CA PRO J 14 -42.976-139.709 -18.580 1.00 20.00 ATOM 5 CA GLY J 15 -40.484-142.508 -18.204 1.00 20.00 ATOM 6 CA ARG J 16 -41.718-143.546 -14.753 1.00 20.00 ATOM 7 CA SER J 17 -43.424-146.771 -13.585 1.00 20.00 ATOM 8 CA LEU J 18 -46.623-148.138 -12.123 1.00 20.00 ATOM 9 CA ARG J 19 -48.003-151.510 -11.147 1.00 20.00 ATOM 10 CA LEU J 20 -51.661-152.380 -11.427 1.00 20.00 ATOM 11 CA SER J 21 -53.361-155.217 -9.633 1.00 20.00 ATOM 12 CA CYS J 22 -56.688-156.947 -10.192 1.00 20.00 ATOM 13 CA SER J 23 -58.036-158.957 -7.351 1.00 20.00 ATOM 14 CA SER J 24 -60.756-161.487 -8.021 1.00 20.00 ATOM 15 CA SER J 25 -63.471-163.580 -6.305 1.00 20.00 ATOM 16 CA GLY J 26 -66.550-165.694 -7.228 1.00 20.00 ATOM 17 CA PHE J 27 -64.724-168.101 -9.615 1.00 20.00 ATOM 18 CA ILE J 28 -61.844-170.579 -9.954 1.00 20.00 ATOM 19 CA PHE J 29 -59.331-168.006 -11.015 1.00 20.00 ATOM 20 CA SER J 30 -56.697-170.426 -12.300 1.00 20.00 ATOM 21 CA SER J 31 -59.083-171.738 -14.985 1.00 20.00 ATOM 22 CA TYR J 32 -59.466-168.673 -17.091 1.00 20.00 ATOM 23 CA ALA J 33 -57.356-166.392 -19.257 1.00 20.00 ATOM 24 CA MET J 34 -57.293-162.780 -17.997 1.00 20.00 ATOM 25 CA TYR J 35 -57.143-159.478 -19.913 1.00 20.00 ATOM 26 CA TRP J 36 -56.017-155.894 -19.496 1.00 20.00 ATOM 27 CA VAL J 37 -57.917-153.323 -21.622 1.00 20.00 ATOM 28 CA ARG J 38 -57.588-149.562 -21.497 1.00 20.00 ATOM 29 CA GLN J 39 -59.566-146.488 -22.491 1.00 20.00 ATOM 30 CA ALA J 40 -57.990-143.103 -23.238 1.00 20.00 ATOM 31 CA PRO J 41 -60.225-140.167 -22.449 1.00 20.00 ATOM 32 CA GLY J 42 -62.575-139.561 -25.323 1.00 20.00 ATOM 33 CA LYS J 43 -61.385-142.627 -27.178 1.00 20.00 ATOM 34 CA GLY J 44 -62.437-146.258 -27.624 1.00 20.00 ATOM 35 CA LEU J 45 -61.500-149.563 -25.941 1.00 20.00 ATOM 36 CA GLU J 46 -57.923-150.709 -26.645 1.00 20.00 ATOM 37 CA TRP J 47 -56.769-154.243 -25.670 1.00 20.00 ATOM 38 CA VAL J 48 -53.435-154.296 -23.793 1.00 20.00 ATOM 39 CA ALA J 49 -52.624-157.899 -22.918 1.00 20.00 ATOM 40 CA ILE J 50 -53.801-161.446 -22.263 1.00 20.00 ATOM 41 CA ILE J 51 -52.322-164.165 -20.075 1.00 20.00 ATOM 42 CA TRP J 52 -53.207-167.878 -20.177 1.00 20.00 ATOM 43 CA ASP J 53 -54.823-169.704 -17.269 1.00 20.00 ATOM 44 CA ASP J 54 -51.483-171.190 -16.106 1.00 20.00 ATOM 45 CA GLY J 55 -49.455-168.144 -17.202 1.00 20.00 ATOM 46 CA SER J 56 -47.537-170.261 -19.686 1.00 20.00 ATOM 47 CA ASP J 57 -47.868-167.618 -22.334 1.00 20.00 ATOM 48 CA GLN J 58 -48.781-163.959 -22.612 1.00 20.00 ATOM 49 CA HIS J 59 -49.541-161.671 -25.590 1.00 20.00 ATOM 50 CA TYR J 60 -49.320-157.888 -25.885 1.00 20.00 ATOM 51 CA ALA J 61 -50.549-154.974 -28.011 1.00 20.00 ATOM 52 CA ASP J 62 -47.747-153.684 -30.284 1.00 20.00 ATOM 53 CA SER J 63 -47.764-150.247 -28.549 1.00 20.00 ATOM 54 CA VAL J 64 -46.888-151.775 -25.217 1.00 20.00 ATOM 55 CA LYS J 65 -44.667-154.709 -25.942 1.00 20.00 ATOM 56 CA GLY J 66 -41.523-154.613 -23.883 1.00 20.00 ATOM 57 CA ARG J 67 -42.661-151.835 -21.540 1.00 20.00 ATOM 58 CA PHE J 68 -45.562-153.753 -19.959 1.00 20.00 ATOM 59 CA THR J 69 -45.536-157.164 -18.250 1.00 20.00 ATOM 60 CA ILE J 70 -48.667-159.174 -17.482 1.00 20.00 ATOM 61 CA SER J 71 -48.368-161.813 -14.820 1.00 20.00 ATOM 62 CA ARG J 72 -50.607-163.593 -12.354 1.00 20.00 ATOM 63 CA ASN J 73 -50.651-165.295 -9.013 1.00 20.00 ATOM 64 CA ASP J 74 -53.173-168.156 -9.069 1.00 20.00 ATOM 65 CA SER J 75 -52.371-168.694 -5.458 1.00 20.00 ATOM 66 CA LYS J 76 -53.668-165.299 -4.519 1.00 20.00 ATOM 67 CA ASN J 77 -56.242-165.009 -7.367 1.00 20.00 ATOM 68 CA THR J 78 -54.547-161.726 -8.565 1.00 20.00 ATOM 69 CA LEU J 79 -53.568-160.328 -11.920 1.00 20.00 ATOM 70 CA PHE J 80 -50.736-157.775 -12.304 1.00 20.00 ATOM 71 CA LEU J 81 -49.709-155.208 -14.884 1.00 20.00 ATOM 72 CA GLN J 82 -46.130-153.863 -14.523 1.00 20.00 ATOM 73 CA MET J 83 -45.967-150.702 -16.548 1.00 20.00 ATOM 74 CA ASP J 84 -42.473-149.424 -17.257 1.00 20.00 ATOM 75 CA SER J 85 -41.200-146.339 -19.142 1.00 20.00 ATOM 76 CA LEU J 86 -44.676-144.905 -19.299 1.00 20.00 ATOM 77 CA ARG J 87 -45.648-142.494 -22.088 1.00 20.00 ATOM 78 CA PRO J 88 -48.331-139.771 -22.175 1.00 20.00 ATOM 79 CA GLU J 89 -50.201-141.875 -24.712 1.00 20.00 ATOM 80 CA ASP J 90 -50.639-144.495 -22.044 1.00 20.00 ATOM 81 CA THR J 91 -53.060-142.272 -20.179 1.00 20.00 ATOM 82 CA GLY J 92 -56.390-144.045 -19.718 1.00 20.00 ATOM 83 CA VAL J 93 -58.709-146.075 -17.530 1.00 20.00 ATOM 84 CA TYR J 94 -57.389-149.627 -17.121 1.00 20.00 ATOM 85 CA PHE J 95 -59.788-152.551 -16.879 1.00 20.00 ATOM 86 CA CYS J 96 -59.096-156.141 -16.144 1.00 20.00 ATOM 87 CA ALA J 97 -61.446-158.727 -17.583 1.00 20.00 ATOM 88 CA ARG J 98 -61.986-162.469 -17.477 1.00 20.00 ATOM 89 CA ASP J 99 -61.838-164.544 -20.667 1.00 20.00 ATOM 90 CA GLY J 100 -65.027-166.568 -20.693 1.00 20.00 ATOM 91 CA GLY J 101 -63.604-169.661 -22.394 1.00 20.00 ATOM 92 CA SER J 102 -62.428-168.269 -25.545 1.00 20.00 ATOM 93 CA SER J 103 -62.134-165.117 -27.660 1.00 20.00 ATOM 94 CA ALA J 104 -63.484-163.350 -24.588 1.00 20.00 ATOM 95 CA PRO J 105 -63.930-160.786 -22.194 1.00 20.00 ATOM 96 CA ASP J 106 -66.994-161.767 -20.253 1.00 20.00 ATOM 97 CA TYR J 107 -66.869-160.066 -16.936 1.00 20.00 ATOM 98 CA TRP J 108 -65.067-156.738 -16.441 1.00 20.00 ATOM 99 CA GLY J 109 -63.745-154.776 -13.467 1.00 20.00 ATOM 100 CA GLN J 110 -64.499-151.135 -12.670 1.00 20.00 ATOM 101 CA GLY J 111 -61.307-149.510 -13.981 1.00 20.00 ATOM 102 CA THR J 112 -58.312-147.799 -12.437 1.00 20.00 ATOM 103 CA PRO J 113 -57.208-144.450 -14.005 1.00 20.00 ATOM 104 CA VAL J 114 -53.667-143.815 -15.199 1.00 20.00 ATOM 105 CA THR J 115 -52.436-140.312 -16.020 1.00 20.00 ATOM 106 CA VAL J 116 -49.010-139.789 -17.606 1.00 20.00 TER