HEADER SIGNALING PROTEIN 14-SEP-05 2B0U TITLE The Structure of the Follistatin:Activin Complex COMPND MOL_ID: 2; COMPND 2 MOLECULE: Follistatin; COMPND 3 CHAIN: C, D; COMPND 4 FRAGMENT: ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.80 ANGSTORMS DBREF 2B0U D 1 288 UNP P19883 FST_HUMAN 30 317 SEQRES 1 D 26 LYS THR CYS ARG ASP VAL PHE CYS PRO GLY SER SER THR SEQRES 2 D 26 CYS VAL VAL ASP GLN THR ASN ASN ALA TYR CYS VAL THR ATOM 1 N LYS D 137 94.756 18.298 -8.856 1.00 84.03 ATOM 2 CA LYS D 137 93.569 19.086 -9.085 1.00 84.58 ATOM 3 C LYS D 137 92.641 18.526 -10.160 1.00 85.30 ATOM 4 O LYS D 137 91.622 19.135 -10.502 1.00 85.06 ATOM 5 CB LYS D 137 93.942 20.564 -9.289 1.00 83.90 ATOM 6 CG LYS D 137 94.181 21.231 -7.931 1.00 82.93 ATOM 7 CD LYS D 137 94.214 22.735 -7.953 1.00 83.35 ATOM 8 CE LYS D 137 94.374 23.267 -6.522 1.00 85.43 ATOM 9 NZ LYS D 137 94.497 24.754 -6.455 1.00 85.94 ATOM 10 N THR D 138 92.977 17.334 -10.650 1.00 84.72 ATOM 11 CA THR D 138 92.142 16.651 -11.628 1.00 85.29 ATOM 12 C THR D 138 92.169 15.149 -11.296 1.00 86.41 ATOM 13 O THR D 138 93.171 14.634 -10.782 1.00 86.06 ATOM 14 CB THR D 138 92.615 16.904 -13.085 1.00 84.56 ATOM 15 OG1 THR D 138 93.920 16.349 -13.272 1.00 86.44 ATOM 16 CG2 THR D 138 92.665 18.403 -13.385 1.00 83.17 ATOM 17 N CYS D 139 91.050 14.471 -11.561 1.00 87.89 ATOM 18 CA CYS D 139 90.881 13.036 -11.299 1.00 88.27 ATOM 19 C CYS D 139 91.723 12.179 -12.205 1.00 88.52 ATOM 20 O CYS D 139 91.679 10.946 -12.148 1.00 88.29 ATOM 21 CB CYS D 139 89.423 12.626 -11.488 1.00 87.66 ATOM 22 SG CYS D 139 88.538 12.723 -9.925 1.00 89.79 ATOM 23 N ARG D 140 92.450 12.883 -13.066 1.00 90.12 ATOM 24 CA ARG D 140 93.335 12.297 -14.055 1.00 92.12 ATOM 25 C ARG D 140 94.164 11.193 -13.436 1.00 94.00 ATOM 26 O ARG D 140 94.011 10.006 -13.779 1.00 94.35 ATOM 27 CB ARG D 140 94.238 13.361 -14.604 1.00 91.66 ATOM 28 N ASP D 141 95.067 11.589 -12.542 1.00 95.44 ATOM 29 CA ASP D 141 95.877 10.594 -11.882 1.00 96.81 ATOM 30 C ASP D 141 95.380 10.364 -10.499 1.00 96.71 ATOM 31 O ASP D 141 95.163 11.295 -9.700 1.00 95.62 ATOM 32 CB ASP D 141 97.353 10.932 -11.885 1.00 98.14 ATOM 33 CG ASP D 141 98.195 9.714 -12.278 1.00 99.08 ATOM 34 OD1 ASP D 141 97.600 8.725 -12.772 1.00 99.70 ATOM 35 OD2 ASP D 141 99.428 9.745 -12.103 1.00 98.78 ATOM 36 N VAL D 142 95.195 9.080 -10.239 1.00 96.97 ATOM 37 CA VAL D 142 94.585 8.673 -9.013 1.00 97.37 ATOM 38 C VAL D 142 94.701 7.197 -8.809 1.00 96.63 ATOM 39 O VAL D 142 94.508 6.409 -9.732 1.00 97.27 ATOM 40 CB VAL D 142 93.072 8.896 -9.109 1.00 98.40 ATOM 41 CG1 VAL D 142 92.484 9.117 -7.761 1.00 99.03 ATOM 42 CG2 VAL D 142 92.762 10.030 -10.048 1.00 99.40 ATOM 43 N PHE D 143 95.017 6.815 -7.600 1.00 95.79 ATOM 44 CA PHE D 143 94.963 5.415 -7.305 1.00 96.11 ATOM 45 C PHE D 143 94.325 5.449 -5.948 1.00 95.25 ATOM 46 O PHE D 143 94.981 5.352 -4.897 1.00 94.73 ATOM 47 CB PHE D 143 96.300 4.698 -7.249 1.00 97.19 ATOM 48 CG PHE D 143 96.163 3.295 -6.724 1.00 99.17 ATOM 49 CD1 PHE D 143 96.736 2.947 -5.507 1.00100.46 ATOM 50 CD2 PHE D 143 95.372 2.351 -7.391 1.00 99.16 ATOM 51 CE1 PHE D 143 96.525 1.677 -4.951 1.00100.86 ATOM 52 CE2 PHE D 143 95.155 1.079 -6.842 1.00 99.35 ATOM 53 CZ PHE D 143 95.728 0.745 -5.619 1.00 99.99 ATOM 54 N CYS D 144 93.019 5.657 -6.004 1.00 93.67 ATOM 55 CA CYS D 144 92.226 5.721 -4.814 1.00 92.45 ATOM 56 C CYS D 144 92.382 4.400 -4.079 1.00 91.52 ATOM 57 O CYS D 144 92.108 3.304 -4.614 1.00 91.51 ATOM 58 CB CYS D 144 90.763 6.034 -5.161 1.00 91.43 ATOM 59 SG CYS D 144 90.378 7.768 -5.655 1.00 92.20 ATOM 60 N PRO D 145 92.893 4.481 -2.850 1.00 90.75 ATOM 61 CA PRO D 145 93.087 3.252 -2.081 1.00 89.64 ATOM 62 C PRO D 145 91.835 2.388 -2.128 1.00 88.82 ATOM 63 O PRO D 145 90.722 2.837 -1.815 1.00 87.47 ATOM 64 CB PRO D 145 93.440 3.740 -0.665 1.00 89.32 ATOM 65 CG PRO D 145 93.501 5.227 -0.716 1.00 90.26 ATOM 66 CD PRO D 145 93.096 5.711 -2.066 1.00 90.52 ATOM 67 N GLY D 146 92.049 1.168 -2.591 1.00 88.72 ATOM 68 CA GLY D 146 90.986 0.202 -2.693 1.00 89.66 ATOM 69 C GLY D 146 89.765 0.528 -3.526 1.00 90.15 ATOM 70 O GLY D 146 89.833 0.782 -4.732 1.00 89.33 ATOM 71 N SER D 147 88.634 0.488 -2.830 1.00 91.37 ATOM 72 CA SER D 147 87.285 0.700 -3.359 1.00 92.17 ATOM 73 C SER D 147 86.929 2.028 -4.008 1.00 92.25 ATOM 74 O SER D 147 86.099 2.081 -4.908 1.00 93.14 ATOM 75 CB SER D 147 86.282 0.471 -2.223 1.00 92.57 ATOM 76 OG SER D 147 86.730 -0.545 -1.341 1.00 92.58 ATOM 77 N SER D 148 87.538 3.094 -3.520 1.00 92.12 ATOM 78 CA SER D 148 87.255 4.451 -3.975 1.00 92.21 ATOM 79 C SER D 148 87.124 4.826 -5.457 1.00 91.19 ATOM 80 O SER D 148 87.456 4.062 -6.368 1.00 91.52 ATOM 81 CB SER D 148 88.249 5.405 -3.306 1.00 93.22 ATOM 82 OG SER D 148 89.532 4.811 -3.259 1.00 94.42 ATOM 83 N THR D 149 86.620 6.046 -5.645 1.00 88.92 ATOM 84 CA THR D 149 86.378 6.666 -6.939 1.00 86.05 ATOM 85 C THR D 149 86.880 8.092 -6.791 1.00 84.19 ATOM 86 O THR D 149 86.477 8.801 -5.872 1.00 84.32 ATOM 87 CB THR D 149 84.856 6.741 -7.249 1.00 86.28 ATOM 88 OG1 THR D 149 84.265 5.441 -7.091 1.00 86.26 ATOM 89 CG2 THR D 149 84.611 7.269 -8.671 1.00 84.49 ATOM 90 N CYS D 150 87.762 8.521 -7.673 1.00 82.28 ATOM 91 CA CYS D 150 88.238 9.885 -7.580 1.00 81.00 ATOM 92 C CYS D 150 87.051 10.820 -7.869 1.00 78.96 ATOM 93 O CYS D 150 86.154 10.485 -8.648 1.00 77.99 ATOM 94 CB CYS D 150 89.368 10.136 -8.589 1.00 82.53 ATOM 95 SG CYS D 150 89.880 11.887 -8.632 1.00 84.67 ATOM 96 N VAL D 151 87.052 11.984 -7.232 1.00 76.45 ATOM 97 CA VAL D 151 85.998 12.964 -7.422 1.00 74.76 ATOM 98 C VAL D 151 86.609 14.366 -7.313 1.00 75.17 ATOM 99 O VAL D 151 87.734 14.527 -6.820 1.00 74.64 ATOM 100 CB VAL D 151 84.888 12.755 -6.367 1.00 73.82 ATOM 101 CG1 VAL D 151 84.020 13.979 -6.254 1.00 72.73 ATOM 102 CG2 VAL D 151 84.032 11.572 -6.762 1.00 73.37 ATOM 103 N VAL D 152 85.879 15.374 -7.778 1.00 75.89 ATOM 104 CA VAL D 152 86.374 16.751 -7.740 1.00 76.93 ATOM 105 C VAL D 152 85.336 17.776 -7.273 1.00 77.14 ATOM 106 O VAL D 152 84.137 17.610 -7.519 1.00 77.25 ATOM 107 CB VAL D 152 86.890 17.154 -9.128 1.00 77.75 ATOM 108 CG1 VAL D 152 88.172 16.384 -9.435 1.00 77.81 ATOM 109 CG2 VAL D 152 85.821 16.852 -10.190 1.00 77.75 ATOM 110 N ASP D 153 85.805 18.835 -6.611 1.00 77.23 ATOM 111 CA ASP D 153 84.920 19.888 -6.096 1.00 78.27 ATOM 112 C ASP D 153 84.812 21.135 -6.978 1.00 78.75 ATOM 113 O ASP D 153 85.433 21.223 -8.027 1.00 78.66 ATOM 114 CB ASP D 153 85.376 20.317 -4.706 1.00 78.48 ATOM 115 CG ASP D 153 86.816 20.836 -4.690 1.00 79.68 ATOM 116 OD1 ASP D 153 87.286 21.349 -5.732 1.00 78.95 ATOM 117 OD2 ASP D 153 87.468 20.746 -3.623 1.00 79.21 ATOM 118 N GLN D 154 84.032 22.103 -6.520 1.00 80.17 ATOM 119 CA GLN D 154 83.803 23.359 -7.235 1.00 82.19 ATOM 120 C GLN D 154 85.057 24.145 -7.685 1.00 82.47 ATOM 121 O GLN D 154 85.030 24.823 -8.722 1.00 81.83 ATOM 122 CB GLN D 154 82.938 24.289 -6.371 1.00 84.02 ATOM 123 CG GLN D 154 83.705 24.953 -5.224 1.00 88.10 ATOM 124 CD GLN D 154 83.290 24.443 -3.853 1.00 91.00 ATOM 125 OE1 GLN D 154 82.979 23.266 -3.680 1.00 93.37 ATOM 126 NE2 GLN D 154 83.302 25.336 -2.858 1.00 92.83 ATOM 127 N THR D 155 86.135 24.079 -6.902 1.00 82.65 ATOM 128 CA THR D 155 87.366 24.803 -7.232 1.00 83.61 ATOM 129 C THR D 155 88.447 23.828 -7.705 1.00 84.24 ATOM 130 O THR D 155 89.620 24.175 -7.874 1.00 84.95 ATOM 131 CB THR D 155 87.868 25.618 -6.011 1.00 83.60 ATOM 132 OG1 THR D 155 86.855 26.554 -5.624 1.00 84.26 ATOM 133 CG2 THR D 155 89.141 26.399 -6.345 1.00 83.90 ATOM 134 N ASN D 156 88.013 22.599 -7.931 1.00 84.44 ATOM 135 CA ASN D 156 88.866 21.532 -8.394 1.00 85.19 ATOM 136 C ASN D 156 89.944 21.067 -7.450 1.00 84.71 ATOM 137 O ASN D 156 91.074 21.562 -7.436 1.00 84.97 ATOM 138 CB ASN D 156 89.470 21.876 -9.746 1.00 87.36 ATOM 139 CG ASN D 156 89.130 20.839 -10.788 1.00 90.00 ATOM 140 OD1 ASN D 156 88.326 19.943 -10.532 1.00 91.09 ATOM 141 ND2 ASN D 156 89.725 20.950 -11.965 1.00 91.45 ATOM 142 N ASN D 157 89.559 20.098 -6.641 1.00 83.29 ATOM 143 CA ASN D 157 90.462 19.478 -5.707 1.00 81.94 ATOM 144 C ASN D 157 90.006 18.037 -5.720 1.00 79.70 ATOM 145 O ASN D 157 88.846 17.720 -5.435 1.00 79.62 ATOM 146 CB ASN D 157 90.366 20.134 -4.319 1.00 83.46 ATOM 147 CG ASN D 157 91.163 21.435 -4.238 1.00 83.97 ATOM 148 OD1 ASN D 157 92.257 21.538 -4.810 1.00 84.08 ATOM 149 ND2 ASN D 157 90.629 22.423 -3.518 1.00 84.93 ATOM 150 N ALA D 158 90.920 17.180 -6.140 1.00 77.65 ATOM 151 CA ALA D 158 90.658 15.761 -6.249 1.00 76.53 ATOM 152 C ALA D 158 90.484 15.160 -4.882 1.00 76.95 ATOM 153 O ALA D 158 91.309 15.372 -3.993 1.00 77.52 ATOM 154 CB ALA D 158 91.803 15.082 -6.961 1.00 75.44 ATOM 155 N TYR D 159 89.401 14.417 -4.711 1.00 77.59 ATOM 156 CA TYR D 159 89.112 13.763 -3.444 1.00 78.57 ATOM 157 C TYR D 159 88.827 12.315 -3.770 1.00 79.01 ATOM 158 O TYR D 159 88.239 12.022 -4.812 1.00 79.10 ATOM 159 CB TYR D 159 87.896 14.416 -2.764 1.00 79.29 ATOM 160 CG TYR D 159 88.214 15.712 -2.031 1.00 81.37 ATOM 161 CD1 TYR D 159 89.111 15.716 -0.962 1.00 82.65 ATOM 162 CD2 TYR D 159 87.637 16.935 -2.412 1.00 81.26 ATOM 163 CE1 TYR D 159 89.433 16.902 -0.286 1.00 83.51 ATOM 164 CE2 TYR D 159 87.952 18.130 -1.738 1.00 81.75 ATOM 165 CZ TYR D 159 88.852 18.102 -0.675 1.00 83.14 ATOM 166 OH TYR D 159 89.176 19.256 0.016 1.00 84.30 ATOM 167 N CYS D 160 89.275 11.409 -2.912 1.00 80.09 ATOM 168 CA CYS D 160 89.034 9.983 -3.126 1.00 81.76 ATOM 169 C CYS D 160 87.947 9.527 -2.157 1.00 81.66 ATOM 170 O CYS D 160 88.152 9.500 -0.943 1.00 82.57 ATOM 171 CB CYS D 160 90.312 9.166 -2.916 1.00 83.96 ATOM 172 SG CYS D 160 91.409 8.986 -4.378 1.00 87.62 ATOM 173 N VAL D 161 86.797 9.165 -2.713 1.00 81.32 ATOM 174 CA VAL D 161 85.620 8.764 -1.942 1.00 80.54 ATOM 175 C VAL D 161 85.026 7.421 -2.335 1.00 81.32 ATOM 176 O VAL D 161 85.383 6.831 -3.352 1.00 81.56 ATOM 177 CB VAL D 161 84.495 9.813 -2.113 1.00 79.69 ATOM 178 CG1 VAL D 161 83.282 9.435 -1.290 1.00 78.31 ATOM 179 CG2 VAL D 161 85.008 11.191 -1.728 1.00 79.33 ATOM 180 N THR D 162 84.092 6.964 -1.508 1.00 81.81 ATOM 181 CA THR D 162 83.364 5.720 -1.725 1.00 83.35 ATOM 182 C THR D 162 81.919 6.108 -2.108 1.00 83.38 ATOM 183 O THR D 162 81.363 7.048 -1.542 1.00 83.42 ATOM 184 CB THR D 162 83.364 4.879 -0.436 1.00 83.87 ATOM 185 OG1 THR D 162 82.789 5.649 0.632 1.00 86.13 ATOM 186 CG2 THR D 162 84.801 4.482 -0.065 1.00 83.67 TER