HEADER hormone/growth factor 15-MAY-02 1LR7 TITLE Crystal structure of Fs1, the heparin-binding domain of follistatin, TITLE 2 complexed with the heparin analogue sucrose octasulphate (SOS) COMPND MOL_ID: 1; COMPND 2 MOLECULE: follistatin; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: Heparin-binding ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.50 ANGSTORMS DBREF 1LR7 A 64 136 UNP P21674 FST_RAT 93 165 SEQRES 1 A 25 GLU THR CYS GLU ASN VAL ASP CYS GLY PRO GLY LYS LYS SEQRES 2 A 25 CYS ARG MET ASN LYS LYS ASN LYS PRO ARG CYS VAL ATOM 1 N GLU A 64 55.467 11.262 35.912 1.00 32.73 ATOM 2 CA GLU A 64 54.489 10.164 35.717 1.00 31.21 ATOM 3 C GLU A 64 54.873 9.305 34.495 1.00 29.91 ATOM 4 O GLU A 64 55.585 9.758 33.593 1.00 30.13 ATOM 5 CB GLU A 64 53.089 10.740 35.542 1.00 31.88 ATOM 6 N THR A 65 54.468 8.036 34.532 1.00 28.88 ATOM 7 CA THR A 65 54.684 7.101 33.447 1.00 28.17 ATOM 8 C THR A 65 53.381 6.503 32.875 1.00 26.31 ATOM 9 O THR A 65 52.271 6.829 33.310 1.00 25.25 ATOM 10 CB THR A 65 55.516 5.936 33.980 1.00 28.28 ATOM 11 OG1 THR A 65 54.774 5.287 35.011 1.00 32.27 ATOM 12 CG2 THR A 65 56.825 6.472 34.653 1.00 30.80 ATOM 13 N CYS A 66 53.543 5.601 31.913 1.00 25.74 ATOM 14 CA CYS A 66 52.380 4.955 31.309 1.00 25.90 ATOM 15 C CYS A 66 51.793 3.806 32.116 1.00 26.48 ATOM 16 O CYS A 66 50.714 3.303 31.826 1.00 27.57 ATOM 17 CB CYS A 66 52.699 4.517 29.884 1.00 24.09 ATOM 18 SG CYS A 66 52.440 5.914 28.716 1.00 23.57 ATOM 19 N GLU A 67 52.472 3.418 33.186 1.00 28.29 ATOM 20 CA GLU A 67 51.964 2.329 34.021 1.00 28.64 ATOM 21 C GLU A 67 50.619 2.682 34.664 1.00 28.19 ATOM 22 O GLU A 67 50.458 3.759 35.197 1.00 29.70 ATOM 23 CB GLU A 67 52.977 2.029 35.128 1.00 29.32 ATOM 24 N ASN A 68 49.705 1.723 34.627 1.00 29.18 ATOM 25 CA ASN A 68 48.317 1.770 35.108 1.00 28.80 ATOM 26 C ASN A 68 47.401 2.718 34.371 1.00 28.46 ATOM 27 O ASN A 68 46.272 2.968 34.810 1.00 29.19 ATOM 28 CB ASN A 68 48.213 2.102 36.604 1.00 28.72 ATOM 29 N VAL A 69 47.870 3.286 33.272 1.00 27.52 ATOM 30 CA VAL A 69 46.987 4.166 32.557 1.00 26.50 ATOM 31 C VAL A 69 46.089 3.328 31.689 1.00 25.96 ATOM 32 O VAL A 69 46.549 2.429 30.993 1.00 26.67 ATOM 33 CB VAL A 69 47.781 5.190 31.692 1.00 25.33 ATOM 34 CG1 VAL A 69 46.845 5.973 30.789 1.00 24.61 ATOM 35 CG2 VAL A 69 48.581 6.123 32.584 1.00 25.11 ATOM 36 N ASP A 70 44.813 3.640 31.738 1.00 27.04 ATOM 37 CA ASP A 70 43.802 2.997 30.899 1.00 28.40 ATOM 38 C ASP A 70 43.288 4.057 29.939 1.00 27.53 ATOM 39 O ASP A 70 42.614 5.001 30.355 1.00 29.14 ATOM 40 CB ASP A 70 42.633 2.516 31.745 1.00 29.94 ATOM 41 CG ASP A 70 41.584 1.768 30.921 1.00 34.07 ATOM 42 OD1 ASP A 70 41.777 1.577 29.685 1.00 38.72 ATOM 43 OD2 ASP A 70 40.534 1.305 31.440 1.00 40.31 ATOM 44 N CYS A 71 43.614 3.903 28.659 1.00 25.36 ATOM 45 CA CYS A 71 43.243 4.857 27.627 1.00 24.29 ATOM 46 C CYS A 71 41.918 4.603 26.929 1.00 25.35 ATOM 47 O CYS A 71 41.454 5.437 26.150 1.00 26.82 ATOM 48 CB CYS A 71 44.363 4.931 26.569 1.00 23.01 ATOM 49 SG CYS A 71 45.881 5.687 27.187 1.00 22.18 ATOM 50 N GLY A 72 41.324 3.447 27.168 1.00 26.88 ATOM 51 CA GLY A 72 40.010 3.169 26.603 1.00 28.24 ATOM 52 C GLY A 72 40.099 2.523 25.242 1.00 28.78 ATOM 53 O GLY A 72 41.222 2.174 24.826 1.00 29.11 ATOM 54 N PRO A 73 38.976 2.400 24.506 1.00 29.56 ATOM 55 CA PRO A 73 39.013 1.671 23.239 1.00 29.77 ATOM 56 C PRO A 73 39.809 2.413 22.201 1.00 27.45 ATOM 57 O PRO A 73 39.712 3.637 22.099 1.00 29.21 ATOM 58 CB PRO A 73 37.549 1.645 22.802 1.00 30.03 ATOM 59 CG PRO A 73 36.977 2.815 23.406 1.00 31.29 ATOM 60 CD PRO A 73 37.603 2.878 24.782 1.00 30.02 ATOM 61 N GLY A 74 40.598 1.661 21.450 1.00 26.47 ATOM 62 CA GLY A 74 41.306 2.178 20.313 1.00 24.39 ATOM 63 C GLY A 74 42.482 3.101 20.589 1.00 22.37 ATOM 64 O GLY A 74 42.953 3.730 19.674 1.00 20.67 ATOM 65 N LYS A 75 42.895 3.194 21.837 1.00 21.20 ATOM 66 CA LYS A 75 43.984 4.115 22.214 1.00 19.33 ATOM 67 C LYS A 75 44.935 3.399 23.145 1.00 18.79 ATOM 68 O LYS A 75 44.556 2.423 23.830 1.00 20.89 ATOM 69 CB LYS A 75 43.369 5.351 22.877 1.00 18.38 ATOM 70 CG LYS A 75 42.479 6.175 21.962 1.00 19.09 ATOM 71 CD LYS A 75 42.043 7.489 22.599 1.00 21.77 ATOM 72 CE LYS A 75 43.029 8.526 22.505 1.00 26.60 ATOM 73 NZ LYS A 75 42.586 9.816 23.197 1.00 28.15 ATOM 74 N LYS A 76 46.163 3.906 23.184 1.00 18.08 ATOM 75 CA LYS A 76 47.212 3.353 24.037 1.00 18.65 ATOM 76 C LYS A 76 48.012 4.487 24.625 1.00 18.20 ATOM 77 O LYS A 76 48.064 5.591 24.078 1.00 16.17 ATOM 78 CB LYS A 76 48.180 2.494 23.240 1.00 20.94 ATOM 79 N CYS A 77 48.719 4.176 25.696 1.00 17.21 ATOM 80 CA CYS A 77 49.548 5.174 26.371 1.00 18.02 ATOM 81 C CYS A 77 50.952 5.215 25.808 1.00 19.07 ATOM 82 O CYS A 77 51.598 4.173 25.578 1.00 19.96 ATOM 83 CB CYS A 77 49.619 4.875 27.871 1.00 18.40 ATOM 84 SG CYS A 77 50.382 6.281 28.814 1.00 19.68 ATOM 85 N ARG A 78 51.449 6.418 25.521 1.00 17.44 ATOM 86 CA ARG A 78 52.820 6.626 25.034 1.00 17.98 ATOM 87 C ARG A 78 53.393 7.862 25.741 1.00 18.87 ATOM 88 O ARG A 78 52.676 8.844 25.979 1.00 18.20 ATOM 89 CB ARG A 78 52.932 6.828 23.535 1.00 19.05 ATOM 90 N MET A 79 54.685 7.823 26.034 1.00 18.77 ATOM 91 CA MET A 79 55.345 8.938 26.639 1.00 18.90 ATOM 92 C MET A 79 55.715 9.914 25.518 1.00 19.58 ATOM 93 O MET A 79 56.320 9.498 24.511 1.00 21.43 ATOM 94 CB MET A 79 56.622 8.452 27.361 1.00 18.22 ATOM 95 CG MET A 79 56.357 7.639 28.638 1.00 19.07 ATOM 96 SD MET A 79 55.461 8.411 29.917 1.00 21.35 ATOM 97 CE MET A 79 56.419 9.772 30.258 1.00 22.68 ATOM 98 N ASN A 80 55.365 11.203 25.658 1.00 19.32 ATOM 99 CA ASN A 80 55.642 12.124 24.582 1.00 19.44 ATOM 100 C ASN A 80 56.983 12.833 24.762 1.00 19.39 ATOM 101 O ASN A 80 57.736 12.517 25.686 1.00 18.94 ATOM 102 CB ASN A 80 54.489 13.101 24.344 1.00 19.78 ATOM 103 CG ASN A 80 54.350 14.118 25.431 1.00 21.94 ATOM 104 OD1 ASN A 80 55.155 14.148 26.348 1.00 20.05 ATOM 105 ND2 ASN A 80 53.340 14.980 25.340 1.00 21.25 ATOM 106 N LYS A 81 57.250 13.792 23.894 1.00 19.99 ATOM 107 CA LYS A 81 58.540 14.482 23.929 1.00 20.76 ATOM 108 C LYS A 81 58.638 15.492 25.042 1.00 22.88 ATOM 109 O LYS A 81 59.676 16.096 25.183 1.00 23.12 ATOM 110 CB LYS A 81 58.815 15.164 22.589 1.00 22.49 ATOM 111 N LYS A 82 57.613 15.691 25.837 1.00 21.76 ATOM 112 CA LYS A 82 57.727 16.556 26.998 1.00 23.01 ATOM 113 C LYS A 82 57.805 15.664 28.261 1.00 22.02 ATOM 114 O LYS A 82 57.663 16.140 29.395 1.00 23.34 ATOM 115 CB LYS A 82 56.510 17.469 27.065 1.00 22.90 ATOM 116 CG LYS A 82 56.411 18.463 25.891 1.00 25.64 ATOM 117 N ASN A 83 57.963 14.355 28.060 1.00 22.30 ATOM 118 CA ASN A 83 57.985 13.411 29.185 1.00 23.14 ATOM 119 C ASN A 83 56.684 13.234 29.941 1.00 23.02 ATOM 120 O ASN A 83 56.636 13.011 31.170 1.00 25.83 ATOM 121 CB ASN A 83 59.119 13.747 30.153 1.00 23.97 ATOM 122 CG ASN A 83 60.439 13.371 29.605 1.00 27.13 ATOM 123 OD1 ASN A 83 60.575 12.358 28.896 1.00 29.08 ATOM 124 ND2 ASN A 83 61.441 14.139 29.958 1.00 25.65 ATOM 125 N LYS A 84 55.592 13.337 29.209 1.00 21.46 ATOM 126 CA LYS A 84 54.310 13.124 29.826 1.00 20.18 ATOM 127 C LYS A 84 53.626 11.909 29.211 1.00 17.43 ATOM 128 O LYS A 84 53.738 11.699 27.981 1.00 17.63 ATOM 129 CB LYS A 84 53.431 14.313 29.596 1.00 20.26 ATOM 130 CG LYS A 84 53.912 15.607 30.289 1.00 24.51 ATOM 131 N PRO A 85 52.912 11.143 30.008 1.00 17.61 ATOM 132 CA PRO A 85 52.170 10.031 29.425 1.00 16.78 ATOM 133 C PRO A 85 50.924 10.609 28.725 1.00 15.95 ATOM 134 O PRO A 85 50.121 11.344 29.326 1.00 17.41 ATOM 135 CB PRO A 85 51.790 9.152 30.618 1.00 18.02 ATOM 136 CG PRO A 85 52.266 9.855 31.929 1.00 17.84 ATOM 137 CD PRO A 85 52.688 11.209 31.457 1.00 17.83 ATOM 138 N ARG A 86 50.695 10.144 27.507 1.00 14.41 ATOM 139 CA ARG A 86 49.559 10.598 26.728 1.00 14.07 ATOM 140 C ARG A 86 48.808 9.387 26.199 1.00 13.50 ATOM 141 O ARG A 86 49.441 8.440 25.775 1.00 15.09 ATOM 142 CB ARG A 86 50.028 11.436 25.534 1.00 15.70 ATOM 143 CG ARG A 86 50.662 12.738 25.935 1.00 18.75 ATOM 144 CD ARG A 86 49.710 13.848 26.123 1.00 18.01 ATOM 145 NE ARG A 86 49.193 14.304 24.824 1.00 21.00 ATOM 146 CZ ARG A 86 48.188 15.160 24.679 1.00 22.27 ATOM 147 NH1 ARG A 86 47.630 15.739 25.728 1.00 21.08 ATOM 148 NH2 ARG A 86 47.758 15.464 23.471 1.00 22.05 ATOM 149 N CYS A 87 47.498 9.525 26.058 1.00 14.58 ATOM 150 CA CYS A 87 46.709 8.504 25.393 1.00 16.21 ATOM 151 C CYS A 87 46.657 8.904 23.937 1.00 18.18 ATOM 152 O CYS A 87 46.310 10.051 23.624 1.00 22.75 ATOM 153 CB CYS A 87 45.308 8.432 25.981 1.00 16.21 ATOM 154 SG CYS A 87 45.325 7.604 27.614 1.00 19.77 ATOM 155 N VAL A 88 47.024 7.997 23.040 1.00 15.23 ATOM 156 CA VAL A 88 47.069 8.330 21.599 1.00 16.67 ATOM 157 C VAL A 88 46.253 7.320 20.823 1.00 16.44 ATOM 158 O VAL A 88 46.139 6.184 21.235 1.00 15.27 ATOM 159 CB VAL A 88 48.471 8.481 21.082 1.00 19.02 ATOM 160 CG1 VAL A 88 49.243 9.504 21.960 1.00 20.56 ATOM 161 CG2 VAL A 88 49.185 7.194 21.043 1.00 18.20 ATOM 162 S SO4 A1002 51.613 18.139 26.241 1.00 31.33 ATOM 163 O1 SO4 A1002 51.587 19.571 26.493 1.00 36.84 ATOM 164 O2 SO4 A1002 50.558 17.559 27.072 1.00 37.77 ATOM 165 O3 SO4 A1002 51.419 17.867 24.789 1.00 37.13 ATOM 166 O4 SO4 A1002 52.940 17.762 26.724 1.00 35.14 ATOM 167 S SO4 A1001 50.985 13.473 21.658 1.00 38.66 ATOM 168 O1 SO4 A1001 51.820 14.509 22.333 1.00 41.15 ATOM 169 O2 SO4 A1001 51.488 12.128 21.872 1.00 40.82 ATOM 170 O3 SO4 A1001 49.575 13.617 22.033 1.00 36.30 ATOM 171 O4 SO4 A1001 51.219 13.791 20.233 1.00 43.74 ATOM 172 S SO4 A1003 55.845 18.646 21.014 1.00 51.35 ATOM 173 O1 SO4 A1003 55.154 19.266 22.156 1.00 51.46 ATOM 174 O2 SO4 A1003 55.867 17.190 21.261 1.00 49.87 ATOM 175 O3 SO4 A1003 55.115 18.918 19.765 1.00 51.82 ATOM 176 O4 SO4 A1003 57.177 19.265 20.885 1.00 43.95 ATOM 177 S SO4 A1004 47.112 20.012 22.796 0.50 18.78 ATOM 178 O1 SO4 A1004 46.385 21.268 22.929 0.50 24.34 ATOM 179 O2 SO4 A1004 46.434 18.882 23.437 0.50 21.31 ATOM 180 O3 SO4 A1004 47.473 19.604 21.443 0.50 24.13 ATOM 181 O4 SO4 A1004 48.429 20.197 23.443 0.50 22.21 ATOM 182 S SO4 A1005 55.056 14.288 20.273 1.00 45.68 ATOM 183 O1 SO4 A1005 54.007 15.133 20.890 1.00 45.15 ATOM 184 O2 SO4 A1005 55.628 13.462 21.351 1.00 43.30 ATOM 185 O3 SO4 A1005 54.503 13.348 19.312 1.00 47.59 ATOM 186 O4 SO4 A1005 56.083 15.095 19.603 1.00 42.66 TER