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 24 THR CYS GLU ASN VAL ASP CYS GLY PRO GLY LYS LYS CYS SEQRES 2 F 24 ARG MET ASN LYS LYS ASN LYS PRO ARG CYS VAL ATOM 1 N THR F 5 -13.188 31.226 45.738 1.00 65.08 ATOM 2 CA THR F 5 -12.507 30.435 46.806 1.00 66.20 ATOM 3 C THR F 5 -11.136 29.865 46.381 1.00 67.27 ATOM 4 O THR F 5 -10.981 28.663 46.171 1.00 66.40 ATOM 5 CB THR F 5 -13.438 29.320 47.340 1.00 66.02 ATOM 6 OG1 THR F 5 -14.241 28.801 46.268 1.00 66.03 ATOM 7 CG2 THR F 5 -14.472 29.903 48.295 1.00 66.10 ATOM 8 N CYS F 6 -10.157 30.752 46.241 1.00 68.83 ATOM 9 CA CYS F 6 -8.757 30.380 46.037 1.00 70.78 ATOM 10 C CYS F 6 -7.917 31.333 46.877 1.00 71.65 ATOM 11 O CYS F 6 -6.706 31.146 47.027 1.00 71.44 ATOM 12 CB CYS F 6 -8.340 30.494 44.564 1.00 71.17 ATOM 13 SG CYS F 6 -8.345 28.957 43.593 1.00 73.18 ATOM 14 N GLU F 7 -8.578 32.359 47.420 1.00 72.62 ATOM 15 CA GLU F 7 -7.918 33.400 48.218 1.00 73.76 ATOM 16 C GLU F 7 -6.944 32.787 49.224 1.00 74.34 ATOM 17 O GLU F 7 -5.812 33.297 49.432 1.00 73.83 ATOM 18 CB GLU F 7 -8.967 34.243 48.970 1.00 73.50 ATOM 19 CG GLU F 7 -9.488 33.605 50.254 1.00 73.42 ATOM 20 CD GLU F 7 -10.714 34.311 50.820 1.00 73.68 ATOM 21 OE1 GLU F 7 -10.687 34.702 52.011 1.00 73.73 ATOM 22 OE2 GLU F 7 -11.709 34.478 50.078 1.00 73.25 ATOM 23 N ASN F 8 -7.397 31.676 49.826 1.00 75.18 ATOM 24 CA ASN F 8 -6.691 31.043 50.927 1.00 75.81 ATOM 25 C ASN F 8 -5.742 29.897 50.542 1.00 75.88 ATOM 26 O ASN F 8 -4.877 29.507 51.338 1.00 75.88 ATOM 27 CB ASN F 8 -7.721 30.619 51.986 1.00 76.62 ATOM 28 CG ASN F 8 -7.421 29.273 52.603 1.00 77.15 ATOM 29 OD1 ASN F 8 -7.482 29.122 53.840 1.00 77.34 ATOM 30 ND2 ASN F 8 -7.114 28.278 51.747 1.00 77.06 ATOM 31 N VAL F 9 -5.883 29.389 49.314 1.00 75.52 ATOM 32 CA VAL F 9 -5.100 28.235 48.850 1.00 75.26 ATOM 33 C VAL F 9 -3.700 28.597 48.357 1.00 75.01 ATOM 34 O VAL F 9 -3.532 29.489 47.519 1.00 74.99 ATOM 35 CB VAL F 9 -5.832 27.454 47.730 1.00 75.46 ATOM 36 CG1 VAL F 9 -4.957 26.313 47.209 1.00 75.08 ATOM 37 CG2 VAL F 9 -7.184 26.933 48.229 1.00 75.30 ATOM 38 N ASP F 10 -2.704 27.882 48.880 1.00 74.51 ATOM 39 CA ASP F 10 -1.309 28.098 48.514 1.00 74.24 ATOM 40 C ASP F 10 -0.678 26.783 48.043 1.00 73.77 ATOM 41 O ASP F 10 -0.589 25.829 48.811 1.00 74.22 ATOM 42 CB ASP F 10 -0.549 28.673 49.714 1.00 74.30 ATOM 43 CG ASP F 10 0.932 28.320 49.701 1.00 74.80 ATOM 44 OD1 ASP F 10 1.499 28.035 48.608 1.00 74.55 ATOM 45 OD2 ASP F 10 1.614 28.304 50.750 1.00 75.28 ATOM 46 N CYS F 11 -0.255 26.723 46.781 1.00 73.08 ATOM 47 CA CYS F 11 0.362 25.496 46.253 1.00 71.59 ATOM 48 C CYS F 11 1.871 25.447 46.062 1.00 71.23 ATOM 49 O CYS F 11 2.368 24.626 45.291 1.00 72.14 ATOM 50 CB CYS F 11 -0.306 25.024 44.972 1.00 70.18 ATOM 51 SG CYS F 11 -1.751 25.928 44.412 1.00 68.33 ATOM 52 N GLY F 12 2.599 26.305 46.762 1.00 71.72 ATOM 53 CA GLY F 12 4.057 26.269 46.716 1.00 70.82 ATOM 54 C GLY F 12 4.609 26.761 45.397 1.00 70.00 ATOM 55 O GLY F 12 3.851 27.069 44.475 1.00 69.18 ATOM 56 N PRO F 13 5.935 26.869 45.333 1.00 69.52 ATOM 57 CA PRO F 13 6.637 27.306 44.131 1.00 68.09 ATOM 58 C PRO F 13 6.228 26.539 42.887 1.00 67.74 ATOM 59 O PRO F 13 5.773 25.391 42.982 1.00 67.14 ATOM 60 CB PRO F 13 8.112 27.019 44.456 1.00 69.21 ATOM 61 CG PRO F 13 8.109 26.253 45.764 1.00 68.92 ATOM 62 CD PRO F 13 6.851 26.628 46.463 1.00 69.05 ATOM 63 N GLY F 14 6.390 27.189 41.733 1.00 66.26 ATOM 64 CA GLY F 14 6.094 26.591 40.440 1.00 64.27 ATOM 65 C GLY F 14 4.614 26.509 40.129 1.00 63.21 ATOM 66 O GLY F 14 4.243 26.277 38.983 1.00 60.64 ATOM 67 N LYS F 15 3.771 26.734 41.144 1.00 62.79 ATOM 68 CA LYS F 15 2.314 26.548 40.999 1.00 62.94 ATOM 69 C LYS F 15 1.419 27.709 41.484 1.00 63.18 ATOM 70 O LYS F 15 1.816 28.494 42.337 1.00 63.48 ATOM 71 CB LYS F 15 1.892 25.229 41.662 1.00 61.82 ATOM 72 CG LYS F 15 2.028 24.007 40.763 1.00 60.55 ATOM 73 CD LYS F 15 2.468 22.787 41.552 1.00 60.31 ATOM 74 CE LYS F 15 2.346 21.527 40.721 1.00 58.54 ATOM 75 NZ LYS F 15 3.257 20.475 41.207 1.00 57.83 ATOM 76 N LYS F 16 0.216 27.797 40.914 1.00 65.11 ATOM 77 CA LYS F 16 -0.793 28.795 41.289 1.00 66.76 ATOM 78 C LYS F 16 -2.175 28.143 41.417 1.00 67.81 ATOM 79 O LYS F 16 -2.426 27.096 40.811 1.00 67.26 ATOM 80 CB LYS F 16 -0.850 29.927 40.252 1.00 67.05 ATOM 81 CG LYS F 16 0.336 30.910 40.299 1.00 68.41 ATOM 82 CD LYS F 16 0.879 31.064 41.728 1.00 69.03 ATOM 83 CE LYS F 16 1.076 32.533 42.147 1.00 69.42 ATOM 84 NZ LYS F 16 -0.230 33.212 42.470 1.00 67.93 ATOM 85 N CYS F 17 -3.067 28.749 42.212 1.00 68.90 ATOM 86 CA CYS F 17 -4.456 28.275 42.280 1.00 68.30 ATOM 87 C CYS F 17 -5.269 28.932 41.167 1.00 67.40 ATOM 88 O CYS F 17 -5.102 30.115 40.887 1.00 66.52 ATOM 89 CB CYS F 17 -5.101 28.586 43.645 1.00 70.36 ATOM 90 SG CYS F 17 -6.712 27.763 43.947 1.00 71.55 ATOM 91 N ARG F 18 -6.131 28.155 40.520 1.00 67.11 ATOM 92 CA ARG F 18 -7.058 28.692 39.529 1.00 66.25 ATOM 93 C ARG F 18 -8.391 27.945 39.555 1.00 66.72 ATOM 94 O ARG F 18 -8.441 26.717 39.690 1.00 62.38 ATOM 95 CB ARG F 18 -6.459 28.718 38.117 1.00 66.93 ATOM 96 CG ARG F 18 -5.131 29.462 38.023 1.00 68.35 ATOM 97 CD ARG F 18 -4.924 30.563 39.080 1.00 69.75 ATOM 98 NE ARG F 18 -5.008 31.952 38.604 1.00 71.01 ATOM 99 CZ ARG F 18 -5.107 32.334 37.330 1.00 71.42 ATOM 100 NH1 ARG F 18 -5.155 31.442 36.349 1.00 71.77 ATOM 101 NH2 ARG F 18 -5.166 33.623 37.037 1.00 71.61 ATOM 102 N MET F 19 -9.471 28.715 39.436 1.00 67.41 ATOM 103 CA MET F 19 -10.829 28.189 39.436 1.00 68.16 ATOM 104 C MET F 19 -11.064 27.363 38.185 1.00 68.48 ATOM 105 O MET F 19 -10.844 27.844 37.070 1.00 67.32 ATOM 106 CB MET F 19 -11.834 29.353 39.477 1.00 69.45 ATOM 107 CG MET F 19 -12.005 29.977 40.849 1.00 69.75 ATOM 108 SD MET F 19 -12.446 28.703 42.054 1.00 70.40 ATOM 109 CE MET F 19 -13.431 29.671 43.207 1.00 70.37 ATOM 110 N ASN F 20 -11.527 26.130 38.348 1.00 69.03 ATOM 111 CA ASN F 20 -11.738 25.298 37.171 1.00 71.20 ATOM 112 C ASN F 20 -13.135 25.418 36.521 1.00 72.15 ATOM 113 O ASN F 20 -13.931 26.301 36.863 1.00 69.54 ATOM 114 CB ASN F 20 -11.344 23.842 37.436 1.00 71.56 ATOM 115 CG ASN F 20 -12.313 23.138 38.347 1.00 73.02 ATOM 116 OD1 ASN F 20 -13.470 23.537 38.465 1.00 74.28 ATOM 117 ND2 ASN F 20 -11.855 22.082 38.992 1.00 72.91 ATOM 118 N LYS F 21 -13.398 24.515 35.578 1.00 74.24 ATOM 119 CA LYS F 21 -14.658 24.446 34.842 1.00 77.15 ATOM 120 C LYS F 21 -15.891 24.228 35.727 1.00 77.86 ATOM 121 O LYS F 21 -16.972 24.741 35.426 1.00 78.50 ATOM 122 CB LYS F 21 -14.587 23.351 33.765 1.00 77.83 ATOM 123 CG LYS F 21 -14.126 21.977 34.276 1.00 78.17 ATOM 124 CD LYS F 21 -14.450 20.869 33.275 1.00 78.47 ATOM 125 CE LYS F 21 -13.916 21.198 31.879 1.00 79.16 ATOM 126 NZ LYS F 21 -14.567 20.382 30.805 1.00 78.55 ATOM 127 N LYS F 22 -15.734 23.454 36.799 1.00 78.99 ATOM 128 CA LYS F 22 -16.838 23.199 37.732 1.00 79.23 ATOM 129 C LYS F 22 -16.708 23.983 39.048 1.00 79.21 ATOM 130 O LYS F 22 -17.082 23.502 40.120 1.00 79.36 ATOM 131 CB LYS F 22 -17.051 21.692 37.956 1.00 79.30 ATOM 132 CG LYS F 22 -15.771 20.871 38.006 1.00 79.19 ATOM 133 CD LYS F 22 -16.049 19.406 37.692 1.00 79.75 ATOM 134 CE LYS F 22 -14.754 18.605 37.577 1.00 79.98 ATOM 135 NZ LYS F 22 -15.017 17.136 37.468 1.00 79.94 ATOM 136 N ASN F 23 -16.166 25.197 38.939 1.00 79.01 ATOM 137 CA ASN F 23 -16.113 26.163 40.045 1.00 79.20 ATOM 138 C ASN F 23 -15.106 25.904 41.165 1.00 78.97 ATOM 139 O ASN F 23 -14.822 26.799 41.969 1.00 79.25 ATOM 140 CB ASN F 23 -17.513 26.398 40.626 1.00 79.79 ATOM 141 CG ASN F 23 -18.388 27.254 39.718 1.00 80.20 ATOM 142 OD1 ASN F 23 -17.910 27.856 38.746 1.00 79.12 ATOM 143 ND2 ASN F 23 -19.678 27.320 40.038 1.00 80.87 ATOM 144 N LYS F 24 -14.561 24.687 41.199 1.00 78.23 ATOM 145 CA LYS F 24 -13.622 24.256 42.238 1.00 76.38 ATOM 146 C LYS F 24 -12.196 24.816 42.103 1.00 75.55 ATOM 147 O LYS F 24 -11.691 25.016 40.990 1.00 73.68 ATOM 148 CB LYS F 24 -13.581 22.726 42.292 1.00 76.57 ATOM 149 CG LYS F 24 -14.944 22.065 42.530 1.00 76.53 ATOM 150 CD LYS F 24 -14.824 20.546 42.466 1.00 77.00 ATOM 151 CE LYS F 24 -16.043 19.851 43.054 1.00 77.23 ATOM 152 NZ LYS F 24 -17.293 20.303 42.370 1.00 77.26 ATOM 153 N PRO F 25 -11.563 25.067 43.255 1.00 75.34 ATOM 154 CA PRO F 25 -10.170 25.528 43.324 1.00 74.68 ATOM 155 C PRO F 25 -9.136 24.436 42.982 1.00 73.81 ATOM 156 O PRO F 25 -9.136 23.347 43.580 1.00 72.02 ATOM 157 CB PRO F 25 -10.015 25.945 44.794 1.00 74.97 ATOM 158 CG PRO F 25 -10.994 25.094 45.530 1.00 74.85 ATOM 159 CD PRO F 25 -12.167 24.939 44.595 1.00 75.19 ATOM 160 N ARG F 26 -8.253 24.746 42.031 1.00 72.60 ATOM 161 CA ARG F 26 -7.248 23.789 41.576 1.00 71.05 ATOM 162 C ARG F 26 -5.858 24.419 41.470 1.00 68.39 ATOM 163 O ARG F 26 -5.720 25.614 41.208 1.00 64.79 ATOM 164 CB ARG F 26 -7.664 23.206 40.228 1.00 72.07 ATOM 165 CG ARG F 26 -8.970 22.432 40.252 1.00 73.77 ATOM 166 CD ARG F 26 -8.863 21.013 40.780 1.00 76.48 ATOM 167 NE ARG F 26 -9.424 20.806 42.116 1.00 77.60 ATOM 168 CZ ARG F 26 -10.637 20.299 42.337 1.00 78.44 ATOM 169 NH1 ARG F 26 -11.418 19.971 41.312 1.00 78.40 ATOM 170 NH2 ARG F 26 -11.074 20.121 43.580 1.00 78.83 ATOM 171 N CYS F 27 -4.827 23.607 41.694 1.00 65.99 ATOM 172 CA CYS F 27 -3.451 24.067 41.500 1.00 64.89 ATOM 173 C CYS F 27 -2.956 23.737 40.103 1.00 63.49 ATOM 174 O CYS F 27 -3.135 22.617 39.602 1.00 64.05 ATOM 175 CB CYS F 27 -2.530 23.510 42.572 1.00 65.55 ATOM 176 SG CYS F 27 -2.935 24.297 44.133 1.00 64.56 ATOM 177 N VAL F 28 -2.391 24.737 39.444 1.00 60.87 ATOM 178 CA VAL F 28 -1.971 24.546 38.063 1.00 56.67 ATOM 179 C VAL F 28 -0.510 24.978 37.952 1.00 52.43 ATOM 180 O VAL F 28 -0.021 25.745 38.796 1.00 50.63 ATOM 181 CB VAL F 28 -2.893 25.292 37.045 1.00 58.84 ATOM 182 CG1 VAL F 28 -4.350 24.793 37.143 1.00 59.73 ATOM 183 CG2 VAL F 28 -2.802 26.805 37.207 1.00 58.42 TER