HEADER CYTOKINE 09-MAR-94 1ILT TITLE X-RAY STRUCTURE OF INTERLEUKIN-1 RECEPTOR ANTAGONIST AT 2.0 ANGSTROMS TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERLEUKIN-1 RECEPTOR ANTAGONIST; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.00 ANGSTORMS DBREF 1ILT A 1 152 UNP P18510 IL1RA_HUMAN 26 177 SEQRES 1 A 143 MET GLN ALA PHE ARG ILE TRP ASP VAL ASN GLN LYS THR SEQRES 2 A 143 PHE TYR LEU ARG ASN ASN GLN LEU VAL ALA GLY TYR LEU SEQRES 3 A 143 GLN GLY PRO ASN VAL ASN LEU GLU GLU LYS ILE ASP VAL SEQRES 4 A 143 VAL PRO ILE GLU PRO HIS ALA LEU PHE LEU GLY ILE HIS SEQRES 5 A 143 GLY GLY LYS MET CYS LEU SER CYS VAL LYS SER GLY ASP SEQRES 6 A 143 GLU THR ARG LEU GLN LEU GLU ALA VAL ASN ILE THR ASP SEQRES 7 A 143 LEU SER GLU ASN ARG LYS GLN ASP LYS ARG PHE ALA PHE SEQRES 8 A 143 ILE ARG SER ASP SER GLY PRO THR THR SER PHE GLU SER SEQRES 9 A 143 ALA ALA CYS PRO GLY TRP PHE LEU CYS THR ALA MET GLU SEQRES 10 A 143 ALA ASP GLN PRO VAL SER LEU THR ASN MET PRO ASP GLU SEQRES 11 A 143 GLY VAL MET VAL THR LYS PHE TYR PHE GLN GLU ASP GLU ATOM 1 CA MET A 10 6.412 3.884 36.461 1.00 25.78 ATOM 2 CA GLN A 11 3.215 5.640 37.592 1.00 23.05 ATOM 3 CA ALA A 12 1.927 8.942 36.184 1.00 20.89 ATOM 4 CA PHE A 13 0.765 11.730 38.626 1.00 20.31 ATOM 5 CA ARG A 14 -0.441 15.322 38.359 1.00 17.09 ATOM 6 CA ILE A 15 1.041 17.993 40.607 1.00 12.79 ATOM 7 CA TRP A 16 0.158 21.520 41.703 1.00 13.15 ATOM 8 CA ASP A 17 1.169 23.475 44.771 1.00 13.51 ATOM 9 CA VAL A 18 -1.107 24.823 47.463 1.00 17.23 ATOM 10 CA ASN A 19 -1.321 28.074 45.460 1.00 17.77 ATOM 11 CA GLN A 20 -2.499 26.296 42.302 1.00 12.57 ATOM 12 CA LYS A 21 0.769 26.610 40.381 1.00 13.54 ATOM 13 CA THR A 22 1.602 23.801 37.884 1.00 15.12 ATOM 14 CA PHE A 23 4.980 22.715 36.458 1.00 13.76 ATOM 15 CA TYR A 24 5.951 23.386 32.830 1.00 14.50 ATOM 16 CA LEU A 25 9.276 23.893 31.029 1.00 19.33 ATOM 17 CA ARG A 26 10.283 27.447 30.242 1.00 28.34 ATOM 18 CA ASN A 27 13.275 27.734 27.971 1.00 37.77 ATOM 19 CA ASN A 28 14.691 24.477 29.406 1.00 34.50 ATOM 20 CA GLN A 29 14.177 24.552 33.108 1.00 28.51 ATOM 21 CA LEU A 30 11.182 23.594 35.221 1.00 19.34 ATOM 22 CA VAL A 31 9.264 26.595 36.439 1.00 16.33 ATOM 23 CA ALA A 32 5.958 26.727 38.219 1.00 16.43 ATOM 24 CA GLY A 33 3.151 28.970 37.084 1.00 17.33 ATOM 25 CA TYR A 34 -0.438 29.760 36.209 1.00 18.82 ATOM 26 CA LEU A 35 -1.223 28.400 32.802 1.00 21.84 ATOM 27 CA GLN A 36 -4.145 29.692 30.812 1.00 25.76 ATOM 28 CA GLY A 37 -5.818 29.385 27.467 1.00 24.56 ATOM 29 CA PRO A 38 -3.828 27.364 24.921 1.00 22.13 ATOM 30 CA ASN A 39 -0.935 27.104 27.368 1.00 24.37 ATOM 31 CA VAL A 40 -2.615 24.539 29.571 1.00 17.90 ATOM 32 CA ASN A 41 -1.230 21.951 27.175 1.00 18.04 ATOM 33 CA LEU A 42 2.166 22.794 28.801 1.00 19.71 ATOM 34 CA GLU A 43 1.484 21.192 32.167 1.00 19.30 ATOM 35 CA GLU A 44 4.008 18.558 33.182 1.00 15.97 ATOM 36 CA LYS A 45 2.852 15.264 34.673 1.00 17.51 ATOM 37 CA ILE A 46 5.178 13.690 37.175 1.00 18.21 ATOM 38 CA ASP A 47 6.452 10.218 36.341 1.00 18.37 ATOM 39 CA VAL A 48 7.488 8.311 39.435 1.00 18.90 ATOM 40 CA VAL A 49 9.076 4.956 40.285 1.00 19.29 ATOM 41 CA PRO A 50 8.682 4.168 43.996 1.00 24.64 ATOM 42 CA ILE A 51 11.482 2.725 46.095 1.00 31.17 ATOM 43 CA GLU A 52 10.722 1.561 49.665 1.00 36.93 ATOM 44 CA PRO A 53 9.603 2.184 52.100 1.00 35.91 ATOM 45 CA HIS A 54 9.018 5.904 51.381 1.00 33.87 ATOM 46 CA ALA A 55 11.272 7.025 48.564 1.00 26.50 ATOM 47 CA LEU A 56 10.780 7.453 44.837 1.00 18.50 ATOM 48 CA PHE A 57 12.450 8.626 41.630 1.00 17.27 ATOM 49 CA LEU A 58 10.831 11.721 40.016 1.00 17.19 ATOM 50 CA GLY A 59 10.949 12.593 36.312 1.00 14.39 ATOM 51 CA ILE A 60 8.910 13.993 33.403 1.00 17.17 ATOM 52 CA HIS A 61 8.453 13.406 29.660 1.00 21.42 ATOM 53 CA GLY A 62 7.617 9.771 30.120 1.00 21.07 ATOM 54 CA GLY A 63 10.590 9.355 32.370 1.00 19.04 ATOM 55 CA LYS A 64 13.217 10.468 29.842 1.00 18.29 ATOM 56 CA MET A 65 14.254 13.227 32.250 1.00 19.71 ATOM 57 CA CYS A 66 14.821 12.959 35.983 1.00 15.13 ATOM 58 CA LEU A 67 14.889 15.603 38.703 1.00 15.02 ATOM 59 CA SER A 68 18.344 15.702 40.391 1.00 16.17 ATOM 60 CA CYS A 69 19.720 17.218 43.644 1.00 16.86 ATOM 61 CA VAL A 70 23.355 18.373 43.418 1.00 17.98 ATOM 62 CA LYS A 71 25.674 20.234 45.847 1.00 23.28 ATOM 63 CA SER A 72 27.922 23.222 45.240 1.00 32.68 ATOM 64 CA GLY A 73 29.557 24.454 48.402 1.00 37.29 ATOM 65 CA ASP A 74 26.949 25.017 51.130 1.00 38.93 ATOM 66 CA GLU A 75 24.369 25.227 48.372 1.00 34.00 ATOM 67 CA THR A 76 22.195 22.444 46.867 1.00 24.68 ATOM 68 CA ARG A 77 20.433 22.975 43.538 1.00 20.14 ATOM 69 CA LEU A 78 17.804 21.174 41.430 1.00 17.95 ATOM 70 CA GLN A 79 18.588 20.124 37.909 1.00 16.16 ATOM 71 CA LEU A 80 17.041 17.939 35.224 1.00 18.98 ATOM 72 CA GLU A 81 19.259 15.252 33.755 1.00 17.09 ATOM 73 CA ALA A 82 18.490 13.221 30.631 1.00 16.90 ATOM 74 CA VAL A 83 18.581 9.709 32.015 1.00 19.98 ATOM 75 CA ASN A 84 15.912 7.059 31.799 1.00 19.36 ATOM 76 CA ILE A 85 13.905 6.741 35.019 1.00 16.03 ATOM 77 CA THR A 86 13.484 2.951 34.787 1.00 21.95 ATOM 78 CA ASP A 87 17.264 2.653 34.433 1.00 20.54 ATOM 79 CA LEU A 88 17.898 4.163 37.890 1.00 18.19 ATOM 80 CA SER A 89 18.763 1.886 40.762 1.00 23.67 ATOM 81 CA GLU A 90 17.809 2.249 44.408 1.00 29.48 ATOM 82 CA ASN A 91 21.050 0.367 45.254 1.00 30.31 ATOM 83 CA ARG A 92 23.598 2.200 43.075 1.00 27.76 ATOM 84 CA LYS A 93 24.936 5.053 45.261 1.00 27.83 ATOM 85 CA GLN A 94 25.672 6.943 42.043 1.00 26.12 ATOM 86 CA ASP A 95 21.891 7.180 41.573 1.00 20.18 ATOM 87 CA LYS A 96 21.012 8.615 44.976 1.00 23.56 ATOM 88 CA ARG A 97 21.104 12.151 43.533 1.00 16.30 ATOM 89 CA PHE A 98 17.668 11.191 42.068 1.00 12.84 ATOM 90 CA ALA A 99 15.922 9.831 45.179 1.00 14.18 ATOM 91 CA PHE A 100 13.395 11.769 47.280 1.00 15.15 ATOM 92 CA ILE A 101 11.468 10.722 50.376 1.00 18.84 ATOM 93 CA ARG A 102 7.743 11.299 50.180 1.00 19.89 ATOM 94 CA SER A 103 5.765 12.630 53.120 1.00 24.61 ATOM 95 CA ASP A 104 2.085 13.497 53.387 1.00 28.95 ATOM 96 CA SER A 105 0.299 15.756 55.802 1.00 30.45 ATOM 97 CA GLY A 106 -3.407 15.379 55.363 1.00 26.96 ATOM 98 CA PRO A 107 -4.118 16.219 51.669 1.00 24.89 ATOM 99 CA THR A 108 -0.573 17.402 50.826 1.00 22.22 ATOM 100 CA THR A 109 2.783 15.820 50.100 1.00 22.39 ATOM 101 CA SER A 110 6.359 17.057 50.489 1.00 19.13 ATOM 102 CA PHE A 111 9.533 15.653 48.983 1.00 15.56 ATOM 103 CA GLU A 112 12.825 15.608 50.846 1.00 14.58 ATOM 104 CA SER A 113 16.090 15.001 49.011 1.00 16.00 ATOM 105 CA ALA A 114 17.634 11.694 49.974 1.00 19.08 ATOM 106 CA ALA A 115 20.982 12.817 48.545 1.00 20.49 ATOM 107 CA CYS A 116 20.971 16.135 50.408 1.00 22.98 ATOM 108 CA PRO A 117 18.918 15.640 53.667 1.00 21.44 ATOM 109 CA GLY A 118 17.033 18.684 54.856 1.00 17.00 ATOM 110 CA TRP A 119 16.429 20.049 51.377 1.00 16.17 ATOM 111 CA PHE A 120 12.807 20.022 50.177 1.00 15.59 ATOM 112 CA LEU A 121 11.359 20.393 46.666 1.00 13.26 ATOM 113 CA CYS A 122 9.656 23.801 46.582 1.00 13.87 ATOM 114 CA THR A 123 8.199 26.678 44.608 1.00 12.90 ATOM 115 CA ALA A 124 8.301 30.493 44.900 1.00 14.08 ATOM 116 CA MET A 125 5.335 32.621 45.936 1.00 21.76 ATOM 117 CA GLU A 126 5.692 34.720 42.805 1.00 22.29 ATOM 118 CA ALA A 127 4.791 32.963 39.533 1.00 21.36 ATOM 119 CA ASP A 128 7.028 31.741 36.722 1.00 19.79 ATOM 120 CA GLN A 129 10.155 31.242 38.791 1.00 20.12 ATOM 121 CA PRO A 130 11.976 27.886 38.596 1.00 19.31 ATOM 122 CA VAL A 131 11.243 24.959 40.928 1.00 13.18 ATOM 123 CA SER A 132 14.023 24.549 43.546 1.00 17.21 ATOM 124 CA LEU A 133 15.005 23.134 46.914 1.00 16.23 ATOM 125 CA THR A 134 14.935 24.820 50.338 1.00 18.44 ATOM 126 CA ASN A 135 16.395 23.805 53.663 1.00 22.88 ATOM 127 CA MET A 136 13.830 25.926 55.504 1.00 25.14 ATOM 128 CA PRO A 137 10.538 24.139 54.774 1.00 23.35 ATOM 129 CA ASP A 138 8.633 25.636 57.753 1.00 28.04 ATOM 130 CA GLU A 139 9.531 29.337 57.404 1.00 32.38 ATOM 131 CA GLY A 140 6.779 30.171 54.889 1.00 31.99 ATOM 132 CA VAL A 141 9.270 31.888 52.585 1.00 27.13 ATOM 133 CA MET A 142 8.842 29.141 49.885 1.00 21.05 ATOM 134 CA VAL A 143 6.085 26.630 49.104 1.00 17.48 ATOM 135 CA THR A 144 6.901 23.012 50.028 1.00 17.94 ATOM 136 CA LYS A 145 3.335 21.602 50.217 1.00 18.62 ATOM 137 CA PHE A 146 1.860 20.062 47.049 1.00 15.20 ATOM 138 CA TYR A 147 -1.250 18.238 45.859 1.00 17.20 ATOM 139 CA PHE A 148 -0.266 14.928 44.267 1.00 20.17 ATOM 140 CA GLN A 149 -2.964 13.012 42.296 1.00 25.14 ATOM 141 CA GLU A 150 -2.536 9.588 40.657 1.00 28.23 ATOM 142 CA ASP A 151 -3.193 9.767 36.967 1.00 34.26 ATOM 143 CA GLU A 152 -4.542 6.232 36.497 1.00 45.78 TER