HEADER HORMONE/GROWTH FACTOR 21-AUG-05 2ARP TITLE Activin A in complex with Fs12 fragment of follistatin COMPND MOL_ID: 2; COMPND 2 MOLECULE: Follistatin; COMPND 3 CHAIN: F; COMPND 4 FRAGMENT: ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.00 ANGSTORMS DBREF 2ARP F 64 212 UNP P21674 FST_RAT 93 241 SEQRES 1 F 26 LYS THR CYS ARG ASP VAL PHE CYS PRO GLY SER SER THR SEQRES 2 F 26 CYS VAL VAL ASP GLN THR ASN ASN ALA TYR CYS VAL THR ATOM 1 N LYS F 137 19.002 14.442 14.386 1.00 31.14 ATOM 2 CA LYS F 137 19.379 13.107 13.994 1.00 31.34 ATOM 3 C LYS F 137 20.863 13.183 13.665 1.00 31.22 ATOM 4 O LYS F 137 21.339 14.151 13.017 1.00 29.06 ATOM 5 CB LYS F 137 18.663 12.681 12.685 1.00 35.92 ATOM 6 CG LYS F 137 17.164 12.686 12.734 1.00 36.75 ATOM 7 CD LYS F 137 16.643 11.648 13.663 1.00 37.73 ATOM 8 CE LYS F 137 15.309 11.139 13.095 1.00 42.91 ATOM 9 NZ LYS F 137 14.474 10.586 14.175 1.00 45.76 ATOM 10 N THR F 138 21.574 12.136 14.068 1.00 30.20 ATOM 11 CA THR F 138 23.051 12.069 14.026 1.00 30.90 ATOM 12 C THR F 138 23.631 13.070 15.014 1.00 31.98 ATOM 13 O THR F 138 22.965 14.021 15.400 1.00 30.45 ATOM 14 CB THR F 138 23.728 12.296 12.655 1.00 31.14 ATOM 15 OG1 THR F 138 23.823 13.712 12.361 1.00 32.32 ATOM 16 CG2 THR F 138 22.986 11.636 11.475 1.00 29.82 ATOM 17 N CYS F 139 24.893 12.862 15.379 1.00 29.91 ATOM 18 CA CYS F 139 25.575 13.734 16.276 1.00 35.53 ATOM 19 C CYS F 139 26.345 14.854 15.554 1.00 35.91 ATOM 20 O CYS F 139 27.024 15.630 16.208 1.00 36.78 ATOM 21 CB CYS F 139 26.526 12.920 17.159 1.00 35.63 ATOM 22 SG CYS F 139 25.608 12.012 18.430 1.00 34.59 ATOM 23 N ARG F 140 26.211 14.944 14.235 1.00 33.89 ATOM 24 CA ARG F 140 27.008 15.862 13.427 1.00 37.84 ATOM 25 C ARG F 140 26.893 17.335 13.849 1.00 37.16 ATOM 26 O ARG F 140 27.895 18.047 13.896 1.00 36.86 ATOM 27 CB ARG F 140 26.614 15.755 11.940 1.00 39.49 ATOM 28 CG ARG F 140 27.442 16.621 10.989 1.00 42.48 ATOM 29 CD ARG F 140 26.983 16.563 9.515 1.00 44.26 ATOM 30 NE ARG F 140 25.829 17.442 9.274 1.00 48.60 ATOM 31 CZ ARG F 140 25.141 17.509 8.124 1.00 52.03 ATOM 32 NH1 ARG F 140 25.470 16.740 7.083 1.00 53.07 ATOM 33 NH2 ARG F 140 24.115 18.346 8.014 1.00 52.36 ATOM 34 N ASP F 141 25.672 17.794 14.090 1.00 36.92 ATOM 35 CA ASP F 141 25.441 19.211 14.395 1.00 39.95 ATOM 36 C ASP F 141 25.079 19.441 15.850 1.00 39.95 ATOM 37 O ASP F 141 24.384 20.408 16.156 1.00 40.22 ATOM 38 CB ASP F 141 24.259 19.741 13.582 1.00 42.91 ATOM 39 CG ASP F 141 24.410 19.516 12.090 1.00 46.07 ATOM 40 OD1 ASP F 141 23.349 19.522 11.401 1.00 47.82 ATOM 41 OD2 ASP F 141 25.526 19.324 11.522 1.00 45.59 ATOM 42 N VAL F 142 25.483 18.548 16.743 1.00 35.27 ATOM 43 CA VAL F 142 25.054 18.680 18.136 1.00 35.13 ATOM 44 C VAL F 142 26.217 19.149 19.014 1.00 38.01 ATOM 45 O VAL F 142 27.322 18.587 18.962 1.00 39.25 ATOM 46 CB VAL F 142 24.499 17.337 18.697 1.00 33.81 ATOM 47 CG1 VAL F 142 24.174 17.470 20.188 1.00 31.32 ATOM 48 CG2 VAL F 142 23.268 16.921 17.910 1.00 32.31 ATOM 49 N PHE F 143 25.969 20.170 19.825 1.00 39.55 ATOM 50 CA PHE F 143 26.971 20.611 20.782 1.00 41.94 ATOM 51 C PHE F 143 26.510 20.284 22.201 1.00 40.17 ATOM 52 O PHE F 143 25.550 20.864 22.704 1.00 40.99 ATOM 53 CB PHE F 143 27.249 22.112 20.647 1.00 47.62 ATOM 54 CG PHE F 143 28.054 22.661 21.791 1.00 52.02 ATOM 55 CD1 PHE F 143 29.420 22.371 21.901 1.00 52.52 ATOM 56 CD2 PHE F 143 27.448 23.442 22.782 1.00 52.64 ATOM 57 CE1 PHE F 143 30.163 22.850 22.972 1.00 53.31 ATOM 58 CE2 PHE F 143 28.189 23.926 23.848 1.00 53.29 ATOM 59 CZ PHE F 143 29.545 23.628 23.945 1.00 52.08 ATOM 60 N CYS F 144 27.176 19.334 22.836 1.00 37.71 ATOM 61 CA CYS F 144 26.809 18.935 24.191 1.00 38.19 ATOM 62 C CYS F 144 27.406 19.858 25.276 1.00 40.80 ATOM 63 O CYS F 144 28.589 20.214 25.224 1.00 40.77 ATOM 64 CB CYS F 144 27.214 17.486 24.442 1.00 35.52 ATOM 65 SG CYS F 144 26.302 16.313 23.399 1.00 32.98 ATOM 66 N PRO F 145 26.597 20.206 26.269 1.00 41.12 ATOM 67 CA PRO F 145 27.055 21.087 27.343 1.00 43.07 ATOM 68 C PRO F 145 28.014 20.337 28.271 1.00 42.50 ATOM 69 O PRO F 145 27.982 19.115 28.333 1.00 36.62 ATOM 70 CB PRO F 145 25.760 21.442 28.076 1.00 42.86 ATOM 71 CG PRO F 145 24.886 20.238 27.839 1.00 42.34 ATOM 72 CD PRO F 145 25.199 19.777 26.448 1.00 40.60 ATOM 73 N GLY F 146 28.862 21.087 28.966 1.00 43.98 ATOM 74 CA GLY F 146 29.801 20.538 29.935 1.00 45.73 ATOM 75 C GLY F 146 30.675 19.410 29.431 1.00 46.65 ATOM 76 O GLY F 146 31.246 19.474 28.344 1.00 48.45 ATOM 77 N SER F 147 30.780 18.374 30.249 1.00 46.74 ATOM 78 CA SER F 147 31.628 17.237 29.978 1.00 47.03 ATOM 79 C SER F 147 30.813 16.132 29.275 1.00 44.92 ATOM 80 O SER F 147 31.287 15.002 29.118 1.00 47.31 ATOM 81 CB SER F 147 32.094 16.655 31.309 1.00 48.42 ATOM 82 OG SER F 147 31.035 15.870 31.886 1.00 50.68 ATOM 83 N SER F 148 29.573 16.428 28.914 1.00 40.33 ATOM 84 CA SER F 148 28.728 15.419 28.249 1.00 38.90 ATOM 85 C SER F 148 29.123 15.221 26.768 1.00 35.03 ATOM 86 O SER F 148 29.646 16.117 26.151 1.00 30.97 ATOM 87 CB SER F 148 27.258 15.822 28.375 1.00 36.18 ATOM 88 OG SER F 148 26.986 16.932 27.531 1.00 36.60 ATOM 89 N THR F 149 28.801 14.070 26.178 1.00 36.50 ATOM 90 CA THR F 149 29.148 13.799 24.792 1.00 33.97 ATOM 91 C THR F 149 27.936 13.171 24.095 1.00 32.25 ATOM 92 O THR F 149 26.976 12.723 24.740 1.00 30.21 ATOM 93 CB THR F 149 30.375 12.808 24.675 1.00 35.07 ATOM 94 OG1 THR F 149 30.091 11.624 25.406 1.00 32.88 ATOM 95 CG2 THR F 149 31.624 13.365 25.393 1.00 35.58 ATOM 96 N CYS F 150 27.990 13.143 22.773 1.00 31.03 ATOM 97 CA CYS F 150 26.831 12.773 22.009 1.00 29.95 ATOM 98 C CYS F 150 26.790 11.277 21.658 1.00 30.73 ATOM 99 O CYS F 150 27.808 10.711 21.267 1.00 31.09 ATOM 100 CB CYS F 150 26.787 13.600 20.740 1.00 29.11 ATOM 101 SG CYS F 150 25.246 13.492 19.819 1.00 33.54 ATOM 102 N VAL F 151 25.619 10.663 21.811 1.00 29.14 ATOM 103 CA VAL F 151 25.393 9.298 21.260 1.00 30.69 ATOM 104 C VAL F 151 24.098 9.344 20.419 1.00 31.08 ATOM 105 O VAL F 151 23.252 10.247 20.593 1.00 31.18 ATOM 106 CB VAL F 151 25.279 8.192 22.366 1.00 31.15 ATOM 107 CG1 VAL F 151 26.553 8.156 23.268 1.00 30.15 ATOM 108 CG2 VAL F 151 24.015 8.411 23.238 1.00 30.22 ATOM 109 N VAL F 152 23.917 8.377 19.531 1.00 30.30 ATOM 110 CA VAL F 152 22.613 8.196 18.918 1.00 27.06 ATOM 111 C VAL F 152 21.899 6.911 19.424 1.00 32.06 ATOM 112 O VAL F 152 22.552 5.894 19.770 1.00 26.99 ATOM 113 CB VAL F 152 22.667 8.185 17.391 1.00 26.57 ATOM 114 CG1 VAL F 152 23.043 9.605 16.816 1.00 27.32 ATOM 115 CG2 VAL F 152 23.653 7.120 16.891 1.00 27.94 ATOM 116 N ASP F 153 20.566 6.970 19.490 1.00 29.95 ATOM 117 CA ASP F 153 19.787 5.800 19.892 1.00 30.43 ATOM 118 C ASP F 153 19.377 4.987 18.651 1.00 31.12 ATOM 119 O ASP F 153 19.952 5.188 17.537 1.00 33.15 ATOM 120 CB ASP F 153 18.564 6.262 20.662 1.00 31.83 ATOM 121 CG ASP F 153 17.500 6.879 19.767 1.00 30.40 ATOM 122 OD1 ASP F 153 17.695 7.015 18.533 1.00 30.14 ATOM 123 OD2 ASP F 153 16.426 7.281 20.247 1.00 33.82 ATOM 124 N GLN F 154 18.339 4.159 18.823 1.00 33.12 ATOM 125 CA GLN F 154 17.929 3.120 17.850 1.00 37.67 ATOM 126 C GLN F 154 17.361 3.715 16.544 1.00 39.95 ATOM 127 O GLN F 154 17.267 3.057 15.509 1.00 39.51 ATOM 128 CB GLN F 154 16.908 2.145 18.488 1.00 38.64 ATOM 129 CG GLN F 154 15.476 2.770 18.851 1.00 39.32 ATOM 130 CD GLN F 154 15.346 3.292 20.308 1.00 40.73 ATOM 131 OE1 GLN F 154 16.194 4.057 20.791 1.00 39.76 ATOM 132 NE2 GLN F 154 14.268 2.888 20.990 1.00 39.37 ATOM 133 N THR F 155 16.906 4.948 16.593 1.00 36.84 ATOM 134 CA THR F 155 16.369 5.468 15.383 1.00 36.23 ATOM 135 C THR F 155 17.201 6.672 14.984 1.00 29.86 ATOM 136 O THR F 155 16.712 7.525 14.304 1.00 28.71 ATOM 137 CB THR F 155 14.874 5.799 15.561 1.00 40.52 ATOM 138 OG1 THR F 155 14.699 6.431 16.817 1.00 43.42 ATOM 139 CG2 THR F 155 14.027 4.513 15.751 1.00 43.50 ATOM 140 N ASN F 156 18.456 6.735 15.437 1.00 26.92 ATOM 141 CA ASN F 156 19.409 7.774 14.984 1.00 28.46 ATOM 142 C ASN F 156 19.178 9.202 15.593 1.00 28.37 ATOM 143 O ASN F 156 19.699 10.158 15.078 1.00 28.46 ATOM 144 CB ASN F 156 19.464 7.781 13.417 1.00 27.40 ATOM 145 CG ASN F 156 20.837 8.212 12.842 1.00 28.34 ATOM 146 OD1 ASN F 156 20.883 8.823 11.773 1.00 32.02 ATOM 147 ND2 ASN F 156 21.926 7.904 13.532 1.00 25.89 ATOM 148 N ASN F 157 18.453 9.294 16.716 1.00 31.06 ATOM 149 CA ASN F 157 18.248 10.554 17.474 1.00 31.37 ATOM 150 C ASN F 157 19.449 10.828 18.352 1.00 31.10 ATOM 151 O ASN F 157 19.961 9.887 19.018 1.00 28.96 ATOM 152 CB ASN F 157 16.969 10.426 18.309 1.00 35.39 ATOM 153 CG ASN F 157 15.739 10.131 17.439 1.00 39.80 ATOM 154 OD1 ASN F 157 15.272 10.989 16.711 1.00 42.02 ATOM 155 ND2 ASN F 157 15.225 8.917 17.524 1.00 42.32 ATOM 156 N ALA F 158 19.924 12.079 18.361 1.00 27.91 ATOM 157 CA ALA F 158 21.097 12.448 19.173 1.00 28.38 ATOM 158 C ALA F 158 20.747 12.763 20.620 1.00 31.86 ATOM 159 O ALA F 158 19.750 13.440 20.872 1.00 30.40 ATOM 160 CB ALA F 158 21.871 13.619 18.532 1.00 30.38 ATOM 161 N TYR F 159 21.575 12.282 21.556 1.00 28.05 ATOM 162 CA TYR F 159 21.405 12.502 22.984 1.00 30.18 ATOM 163 C TYR F 159 22.748 12.916 23.560 1.00 33.45 ATOM 164 O TYR F 159 23.765 12.350 23.179 1.00 34.09 ATOM 165 CB TYR F 159 20.899 11.227 23.749 1.00 31.55 ATOM 166 CG TYR F 159 19.475 10.953 23.428 1.00 29.35 ATOM 167 CD1 TYR F 159 18.472 11.421 24.238 1.00 30.73 ATOM 168 CD2 TYR F 159 19.117 10.292 22.269 1.00 32.77 ATOM 169 CE1 TYR F 159 17.141 11.225 23.927 1.00 30.53 ATOM 170 CE2 TYR F 159 17.773 10.112 21.936 1.00 35.54 ATOM 171 CZ TYR F 159 16.792 10.595 22.778 1.00 35.06 ATOM 172 OH TYR F 159 15.438 10.448 22.497 1.00 35.35 ATOM 173 N CYS F 160 22.751 13.889 24.485 1.00 30.14 ATOM 174 CA CYS F 160 23.973 14.273 25.191 1.00 32.72 ATOM 175 C CYS F 160 24.029 13.564 26.556 1.00 35.16 ATOM 176 O CYS F 160 23.089 13.704 27.343 1.00 31.38 ATOM 177 CB CYS F 160 24.037 15.824 25.342 1.00 32.28 ATOM 178 SG CYS F 160 24.312 16.614 23.750 1.00 33.07 ATOM 179 N VAL F 161 25.083 12.756 26.815 1.00 31.95 ATOM 180 CA VAL F 161 25.114 11.903 28.031 1.00 31.73 ATOM 181 C VAL F 161 26.498 11.975 28.640 1.00 32.47 ATOM 182 O VAL F 161 27.432 12.485 28.033 1.00 32.27 ATOM 183 CB VAL F 161 24.811 10.360 27.749 1.00 32.52 ATOM 184 CG1 VAL F 161 23.465 10.143 27.031 1.00 33.20 ATOM 185 CG2 VAL F 161 25.870 9.751 26.827 1.00 31.18 ATOM 186 N THR F 162 26.639 11.455 29.847 1.00 31.78 ATOM 187 CA THR F 162 27.961 11.351 30.458 1.00 33.23 ATOM 188 C THR F 162 28.288 9.851 30.489 1.00 35.34 ATOM 189 O THR F 162 27.700 9.120 31.277 1.00 35.19 ATOM 190 CB THR F 162 27.924 11.912 31.885 1.00 34.40 ATOM 191 OG1 THR F 162 27.627 13.315 31.830 1.00 35.67 ATOM 192 CG2 THR F 162 29.333 11.825 32.548 1.00 35.86 ATOM 193 C1 GOL F 304 19.529 1.316 18.086 1.00 43.78 ATOM 194 O1 GOL F 304 20.750 1.550 18.869 1.00 39.09 ATOM 195 C2 GOL F 304 19.431 -0.022 17.349 1.00 41.38 ATOM 196 O2 GOL F 304 20.751 -0.451 16.975 1.00 46.74 ATOM 197 C3 GOL F 304 18.859 -1.192 18.182 1.00 45.19 ATOM 198 O3 GOL F 304 17.428 -1.246 18.314 1.00 42.55 TER