HEADER SIGNALING PROTEIN 31-DEC-69 6AVQ TITLE The Therapeutic Antibody LM609 Selectively Inhibits Ligand Binding to TITLE 2 Human alpha-V beta-3 Integrin via Steric Hindrance COMPND MOL_ID: 2; COMPND 2 MOLECULE: Integrin beta-3; COMPND 3 CHAIN: B; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6AVQ B 1 692 UNP P05106 ITB3_HUMAN 27 718 SEQRES 1 B 57 GLY PRO ASN ILE CYS THR THR ARG GLY VAL SER SER CYS SEQRES 2 B 57 GLN GLN CYS LEU ALA VAL SER PRO MET CYS ALA TRP CYS SEQRES 3 B 57 SER ASP GLU ALA LEU PRO LEU GLY SER PRO ARG CYS ASP SEQRES 4 B 57 LEU LYS GLU ASN LEU LEU LYS ASP ASN CYS ALA PRO GLU SEQRES 5 B 57 SER ILE GLU PHE PRO ATOM 1 N GLY B 1 65.200 3.740 5.961 1.00 50.60 ATOM 2 CA GLY B 1 64.976 5.124 5.575 1.00 50.62 ATOM 3 C GLY B 1 63.720 5.267 4.720 1.00 50.64 ATOM 4 O GLY B 1 62.632 5.470 5.266 1.00 50.64 ATOM 5 N PRO B 2 63.814 5.042 3.398 1.00 50.62 ATOM 6 CA PRO B 2 62.757 5.218 2.416 1.00 50.55 ATOM 7 C PRO B 2 61.605 4.234 2.587 1.00 50.44 ATOM 8 O PRO B 2 61.685 3.086 2.150 1.00 50.41 ATOM 9 CB PRO B 2 63.495 4.998 1.089 1.00 50.59 ATOM 10 N ASN B 3 60.534 4.709 3.218 1.00 50.32 ATOM 11 CA ASN B 3 59.358 3.906 3.526 1.00 50.20 ATOM 12 C ASN B 3 58.024 4.551 3.133 1.00 50.06 ATOM 13 O ASN B 3 57.583 5.535 3.730 1.00 49.97 ATOM 14 CB ASN B 3 59.348 3.574 4.996 1.00 50.23 ATOM 15 N ILE B 4 57.390 3.987 2.110 1.00 49.95 ATOM 16 CA ILE B 4 56.088 4.409 1.578 1.00 49.90 ATOM 17 C ILE B 4 55.989 5.877 1.125 1.00 49.84 ATOM 18 O ILE B 4 55.946 6.165 -0.078 1.00 49.78 ATOM 19 CB ILE B 4 54.992 4.123 2.645 1.00 49.93 ATOM 20 N CYS B 5 56.012 6.810 2.077 1.00 49.79 ATOM 21 CA CYS B 5 55.796 8.223 1.777 1.00 49.78 ATOM 22 C CYS B 5 56.975 8.863 1.086 1.00 49.71 ATOM 23 O CYS B 5 56.846 9.952 0.541 1.00 49.73 ATOM 24 CB CYS B 5 55.421 9.012 3.017 1.00 49.76 ATOM 25 N THR B 6 58.053 8.105 0.992 1.00 49.60 ATOM 26 CA THR B 6 59.290 8.453 0.306 1.00 49.50 ATOM 27 C THR B 6 59.019 8.696 -1.179 1.00 49.53 ATOM 28 O THR B 6 59.715 9.471 -1.843 1.00 49.54 ATOM 29 CB THR B 6 60.323 7.330 0.495 1.00 49.47 ATOM 30 N THR B 7 58.020 7.996 -1.718 1.00 49.55 ATOM 31 CA THR B 7 57.612 8.170 -3.089 1.00 49.59 ATOM 32 C THR B 7 56.166 8.633 -3.174 1.00 49.64 ATOM 33 O THR B 7 55.764 9.264 -4.141 1.00 49.62 ATOM 34 CB THR B 7 57.871 6.874 -3.869 1.00 49.59 ATOM 35 N ARG B 8 55.366 8.415 -2.142 1.00 49.75 ATOM 36 CA ARG B 8 53.961 8.783 -2.254 1.00 49.84 ATOM 37 C ARG B 8 53.554 10.159 -1.692 1.00 49.99 ATOM 38 O ARG B 8 52.531 10.695 -2.110 1.00 50.14 ATOM 39 CB ARG B 8 53.118 7.701 -1.628 1.00 49.81 ATOM 40 N GLY B 9 54.292 10.724 -0.731 1.00 50.04 ATOM 41 CA GLY B 9 53.872 11.987 -0.136 1.00 50.12 ATOM 42 C GLY B 9 54.849 13.135 -0.356 1.00 50.22 ATOM 43 O GLY B 9 54.613 14.264 0.073 1.00 50.32 ATOM 44 N VAL B 10 55.921 12.892 -1.083 1.00 50.30 ATOM 45 CA VAL B 10 56.933 13.934 -1.234 1.00 50.34 ATOM 46 C VAL B 10 56.458 15.152 -2.011 1.00 50.39 ATOM 47 O VAL B 10 56.911 16.269 -1.761 1.00 50.34 ATOM 48 CB VAL B 10 58.224 13.371 -1.845 1.00 50.36 ATOM 49 N SER B 11 55.523 14.950 -2.927 1.00 50.48 ATOM 50 CA SER B 11 54.985 16.021 -3.736 1.00 50.54 ATOM 51 C SER B 11 53.986 16.927 -2.987 1.00 50.59 ATOM 52 O SER B 11 53.619 17.996 -3.502 1.00 50.54 ATOM 53 CB SER B 11 54.331 15.417 -4.965 1.00 50.54 ATOM 54 N SER B 12 53.530 16.524 -1.792 1.00 50.70 ATOM 55 CA SER B 12 52.531 17.314 -1.069 1.00 50.79 ATOM 56 C SER B 12 52.475 17.059 0.431 1.00 50.83 ATOM 57 O SER B 12 52.259 15.929 0.887 1.00 50.91 ATOM 58 CB SER B 12 51.161 17.084 -1.657 1.00 50.80 ATOM 59 N CYS B 13 52.530 18.133 1.214 1.00 50.90 ATOM 60 CA CYS B 13 52.488 17.988 2.661 1.00 50.82 ATOM 61 C CYS B 13 51.207 17.327 3.136 1.00 50.59 ATOM 62 O CYS B 13 51.230 16.519 4.064 1.00 50.49 ATOM 63 CB CYS B 13 52.662 19.333 3.334 1.00 50.95 ATOM 64 N GLN B 14 50.073 17.653 2.508 1.00 50.34 ATOM 65 CA GLN B 14 48.836 16.979 2.886 1.00 50.10 ATOM 66 C GLN B 14 48.890 15.516 2.476 1.00 49.91 ATOM 67 O GLN B 14 48.397 14.644 3.196 1.00 49.91 ATOM 68 CB GLN B 14 47.587 17.589 2.229 1.00 50.10 ATOM 69 N GLN B 15 49.469 15.234 1.304 1.00 49.66 ATOM 70 CA GLN B 15 49.459 13.859 0.827 1.00 49.46 ATOM 71 C GLN B 15 50.277 12.958 1.736 1.00 49.22 ATOM 72 O GLN B 15 49.845 11.861 2.063 1.00 49.05 ATOM 73 CB GLN B 15 49.967 13.749 -0.607 1.00 49.48 ATOM 74 N CYS B 16 51.394 13.434 2.271 1.00 48.96 ATOM 75 CA CYS B 16 52.163 12.513 3.105 1.00 48.80 ATOM 76 C CYS B 16 51.404 12.119 4.380 1.00 48.64 ATOM 77 O CYS B 16 51.568 10.994 4.877 1.00 48.60 ATOM 78 CB CYS B 16 53.514 13.127 3.469 1.00 48.80 ATOM 79 N LEU B 17 50.504 12.993 4.850 1.00 48.51 ATOM 80 CA LEU B 17 49.695 12.686 6.018 1.00 48.44 ATOM 81 C LEU B 17 48.561 11.759 5.570 1.00 48.41 ATOM 82 O LEU B 17 48.160 10.847 6.293 1.00 48.50 ATOM 83 CB LEU B 17 49.178 13.988 6.653 1.00 48.40 ATOM 84 N ALA B 18 48.044 11.998 4.352 1.00 48.35 ATOM 85 CA ALA B 18 47.007 11.166 3.736 1.00 48.33 ATOM 86 C ALA B 18 47.483 9.726 3.512 1.00 48.34 ATOM 87 O ALA B 18 46.696 8.786 3.620 1.00 48.38 ATOM 88 CB ALA B 18 46.568 11.749 2.407 1.00 48.25 ATOM 89 N VAL B 19 48.769 9.570 3.176 1.00 48.42 ATOM 90 CA VAL B 19 49.368 8.275 2.879 1.00 48.48 ATOM 91 C VAL B 19 49.672 7.393 4.094 1.00 48.38 ATOM 92 O VAL B 19 49.281 6.222 4.077 1.00 48.44 ATOM 93 CB VAL B 19 50.618 8.452 2.007 1.00 48.53 ATOM 94 N SER B 20 50.356 7.893 5.133 1.00 48.31 ATOM 95 CA SER B 20 50.590 6.989 6.263 1.00 48.27 ATOM 96 C SER B 20 50.829 7.690 7.612 1.00 48.26 ATOM 97 O SER B 20 51.503 8.721 7.676 1.00 48.31 ATOM 98 CB SER B 20 51.818 6.131 5.971 1.00 48.24 ATOM 99 N PRO B 21 50.347 7.115 8.736 1.00 48.27 ATOM 100 CA PRO B 21 50.512 7.579 10.113 1.00 48.29 ATOM 101 C PRO B 21 51.958 7.640 10.612 1.00 48.37 ATOM 102 O PRO B 21 52.247 8.279 11.620 1.00 48.41 ATOM 103 CB PRO B 21 49.689 6.549 10.903 1.00 48.24 ATOM 104 N MET B 22 52.860 6.929 9.947 1.00 48.52 ATOM 105 CA MET B 22 54.258 6.926 10.356 1.00 48.69 ATOM 106 C MET B 22 55.104 8.054 9.797 1.00 48.80 ATOM 107 O MET B 22 56.259 8.211 10.214 1.00 48.77 ATOM 108 CB MET B 22 54.915 5.628 9.943 1.00 48.67 ATOM 109 N CYS B 23 54.562 8.800 8.843 1.00 48.94 ATOM 110 CA CYS B 23 55.297 9.836 8.140 1.00 49.13 ATOM 111 C CYS B 23 55.302 11.192 8.805 1.00 49.23 ATOM 112 O CYS B 23 54.309 11.612 9.392 1.00 49.21 ATOM 113 CB CYS B 23 54.752 10.003 6.755 1.00 49.18 ATOM 114 N ALA B 24 56.415 11.904 8.661 1.00 49.35 ATOM 115 CA ALA B 24 56.567 13.250 9.186 1.00 49.43 ATOM 116 C ALA B 24 57.223 14.070 8.113 1.00 49.52 ATOM 117 O ALA B 24 57.775 13.516 7.173 1.00 49.58 ATOM 118 CB ALA B 24 57.431 13.279 10.428 1.00 49.43 ATOM 119 N TRP B 25 57.147 15.373 8.185 1.00 49.59 ATOM 120 CA TRP B 25 57.897 16.136 7.217 1.00 49.64 ATOM 121 C TRP B 25 58.349 17.432 7.815 1.00 49.58 ATOM 122 O TRP B 25 57.556 18.235 8.288 1.00 49.55 ATOM 123 CB TRP B 25 57.171 16.285 5.875 1.00 49.72 ATOM 124 N CYS B 26 59.654 17.612 7.762 1.00 49.56 ATOM 125 CA CYS B 26 60.333 18.748 8.322 1.00 49.56 ATOM 126 C CYS B 26 60.148 19.987 7.516 1.00 49.59 ATOM 127 O CYS B 26 59.948 19.917 6.309 1.00 49.55 ATOM 128 CB CYS B 26 61.798 18.465 8.373 1.00 49.52 ATOM 129 N SER B 27 60.385 21.111 8.165 1.00 49.67 ATOM 130 CA SER B 27 60.274 22.416 7.573 1.00 49.71 ATOM 131 C SER B 27 61.430 23.304 7.976 1.00 49.73 ATOM 132 O SER B 27 62.445 22.824 8.492 1.00 49.73 ATOM 133 CB SER B 27 58.991 23.090 8.045 1.00 49.73 ATOM 134 N ASP B 28 61.307 24.596 7.660 1.00 49.80 ATOM 135 CA ASP B 28 62.304 25.624 7.936 1.00 49.85 ATOM 136 C ASP B 28 63.705 25.226 7.470 1.00 49.87 ATOM 137 O ASP B 28 64.677 25.402 8.206 1.00 49.90 ATOM 138 CB ASP B 28 62.317 25.921 9.435 1.00 49.84 ATOM 139 N GLU B 29 63.809 24.624 6.278 1.00 49.85 ATOM 140 CA GLU B 29 65.081 24.163 5.740 1.00 49.81 ATOM 141 C GLU B 29 65.904 23.300 6.717 1.00 49.82 ATOM 142 O GLU B 29 67.135 23.345 6.684 1.00 49.75 ATOM 143 CB GLU B 29 65.920 25.362 5.264 1.00 49.77 ATOM 144 N ALA B 30 65.249 22.470 7.563 1.00 49.85 ATOM 145 CA ALA B 30 65.993 21.582 8.464 1.00 49.86 ATOM 146 C ALA B 30 66.827 20.598 7.664 1.00 49.87 ATOM 147 O ALA B 30 67.956 20.258 8.022 1.00 49.86 ATOM 148 CB ALA B 30 65.035 20.815 9.364 1.00 49.82 ATOM 149 N LEU B 31 66.223 20.145 6.578 1.00 49.86 ATOM 150 CA LEU B 31 66.763 19.195 5.638 1.00 49.81 ATOM 151 C LEU B 31 66.415 19.695 4.250 1.00 49.79 ATOM 152 O LEU B 31 65.662 19.029 3.537 1.00 49.76 ATOM 153 CB LEU B 31 66.136 17.832 5.893 1.00 49.82 ATOM 154 N PRO B 32 67.060 20.757 3.751 1.00 49.78 ATOM 155 CA PRO B 32 66.655 21.550 2.593 1.00 49.79 ATOM 156 C PRO B 32 66.856 20.799 1.291 1.00 49.78 ATOM 157 O PRO B 32 67.736 21.135 0.500 1.00 49.82 ATOM 158 CB PRO B 32 67.587 22.755 2.692 1.00 49.80 ATOM 159 N LEU B 33 66.025 19.767 1.114 1.00 49.74 ATOM 160 CA LEU B 33 66.074 18.829 0.012 1.00 49.69 ATOM 161 C LEU B 33 67.402 18.110 0.105 1.00 49.67 ATOM 162 O LEU B 33 68.060 17.824 -0.892 1.00 49.65 ATOM 163 CB LEU B 33 65.816 19.561 -1.306 1.00 49.69 ATOM 164 N GLY B 34 67.751 17.774 1.357 1.00 49.63 ATOM 165 CA GLY B 34 69.000 17.087 1.690 1.00 49.60 ATOM 166 C GLY B 34 69.172 15.820 0.870 1.00 49.60 ATOM 167 O GLY B 34 70.191 15.639 0.207 1.00 49.59 ATOM 168 N SER B 35 68.175 14.943 0.947 1.00 49.58 ATOM 169 CA SER B 35 68.105 13.680 0.213 1.00 49.54 ATOM 170 C SER B 35 66.828 12.905 0.571 1.00 49.61 ATOM 171 O SER B 35 65.946 12.805 -0.284 1.00 49.60 ATOM 172 CB SER B 35 69.395 12.851 0.298 1.00 49.50 ATOM 173 N PRO B 36 66.662 12.330 1.787 1.00 49.67 ATOM 174 CA PRO B 36 65.445 11.651 2.172 1.00 49.65 ATOM 175 C PRO B 36 64.339 12.660 2.378 1.00 49.63 ATOM 176 O PRO B 36 64.604 13.792 2.791 1.00 49.64 ATOM 177 CB PRO B 36 65.835 10.950 3.475 1.00 49.66 ATOM 178 N ARG B 37 63.110 12.248 2.129 1.00 49.59 ATOM 179 CA ARG B 37 61.961 13.090 2.393 1.00 49.61 ATOM 180 C ARG B 37 60.817 12.244 2.907 1.00 49.59 ATOM 181 O ARG B 37 60.646 11.115 2.456 1.00 49.67 ATOM 182 CB ARG B 37 61.533 13.819 1.137 1.00 49.63 ATOM 183 N CYS B 38 60.013 12.792 3.814 1.00 49.42 ATOM 184 CA CYS B 38 58.819 12.130 4.352 1.00 49.33 ATOM 185 C CYS B 38 59.114 10.870 5.198 1.00 49.33 ATOM 186 O CYS B 38 58.814 10.822 6.402 1.00 49.28 ATOM 187 CB CYS B 38 57.853 11.827 3.207 1.00 49.27 ATOM 188 N ASP B 39 59.587 9.818 4.540 1.00 49.34 ATOM 189 CA ASP B 39 59.983 8.558 5.154 1.00 49.35 ATOM 190 C ASP B 39 59.139 8.192 6.380 1.00 49.19 ATOM 191 O ASP B 39 57.915 8.045 6.305 1.00 49.26 ATOM 192 CB ASP B 39 61.475 8.613 5.504 1.00 49.34 ATOM 193 N LEU B 40 59.836 8.025 7.506 1.00 48.87 ATOM 194 CA LEU B 40 59.273 7.774 8.810 1.00 48.62 ATOM 195 C LEU B 40 59.726 8.912 9.705 1.00 48.43 ATOM 196 O LEU B 40 60.857 9.403 9.544 1.00 48.47 ATOM 197 CB LEU B 40 59.819 6.458 9.376 1.00 48.56 ATOM 198 N LYS B 41 58.914 9.255 10.706 1.00 48.16 ATOM 199 CA LYS B 41 59.290 10.265 11.697 1.00 48.00 ATOM 200 C LYS B 41 60.732 10.101 12.158 1.00 47.87 ATOM 201 O LYS B 41 61.508 11.063 12.123 1.00 47.84 ATOM 202 CB LYS B 41 58.418 10.156 12.957 1.00 47.94 ATOM 203 N GLU B 42 61.077 8.877 12.569 1.00 47.74 ATOM 204 CA GLU B 42 62.386 8.531 13.102 1.00 47.60 ATOM 205 C GLU B 42 63.558 8.749 12.149 1.00 47.50 ATOM 206 O GLU B 42 64.663 9.057 12.598 1.00 47.51 ATOM 207 CB GLU B 42 62.372 7.079 13.575 1.00 47.58 ATOM 208 N ASN B 43 63.357 8.603 10.839 1.00 47.39 ATOM 209 CA ASN B 43 64.488 8.767 9.943 1.00 47.29 ATOM 210 C ASN B 43 64.791 10.239 9.801 1.00 47.24 ATOM 211 O ASN B 43 65.954 10.646 9.840 1.00 47.22 ATOM 212 CB ASN B 43 64.239 8.134 8.582 1.00 47.25 ATOM 213 N LEU B 44 63.749 11.052 9.641 1.00 47.20 ATOM 214 CA LEU B 44 64.016 12.475 9.508 1.00 47.16 ATOM 215 C LEU B 44 64.596 12.996 10.825 1.00 47.15 ATOM 216 O LEU B 44 65.605 13.709 10.833 1.00 47.13 ATOM 217 CB LEU B 44 62.724 13.215 9.158 1.00 47.17 ATOM 218 N LEU B 45 64.037 12.523 11.945 1.00 47.12 ATOM 219 CA LEU B 45 64.478 12.913 13.274 1.00 47.09 ATOM 220 C LEU B 45 65.973 12.701 13.415 1.00 47.17 ATOM 221 O LEU B 45 66.693 13.594 13.879 1.00 47.14 ATOM 222 CB LEU B 45 63.695 12.076 14.301 1.00 47.07 ATOM 223 N LYS B 46 66.455 11.514 13.033 1.00 47.27 ATOM 224 CA LYS B 46 67.880 11.253 13.090 1.00 47.35 ATOM 225 C LYS B 46 68.644 12.132 12.088 1.00 47.48 ATOM 226 O LYS B 46 69.677 12.718 12.424 1.00 47.56 ATOM 227 CB LYS B 46 68.146 9.772 12.843 1.00 47.29 ATOM 228 N ASP B 47 68.112 12.305 10.866 1.00 47.62 ATOM 229 CA ASP B 47 68.781 13.110 9.838 1.00 47.77 ATOM 230 C ASP B 47 68.482 14.608 9.992 1.00 47.87 ATOM 231 O ASP B 47 67.857 15.243 9.138 1.00 47.85 ATOM 232 CB ASP B 47 68.355 12.652 8.438 1.00 47.83 ATOM 233 N ASN B 48 68.920 15.140 11.124 1.00 48.05 ATOM 234 CA ASN B 48 68.841 16.541 11.528 1.00 48.15 ATOM 235 C ASN B 48 67.450 17.183 11.594 1.00 48.27 ATOM 236 O ASN B 48 67.354 18.409 11.533 1.00 48.26 ATOM 237 CB ASN B 48 69.688 17.380 10.586 1.00 48.14 ATOM 238 N CYS B 49 66.377 16.418 11.778 1.00 48.44 ATOM 239 CA CYS B 49 65.069 17.051 11.863 1.00 48.47 ATOM 240 C CYS B 49 64.444 16.779 13.209 1.00 48.42 ATOM 241 O CYS B 49 63.236 16.689 13.322 1.00 48.46 ATOM 242 CB CYS B 49 64.140 16.536 10.793 1.00 48.54 ATOM 243 N ALA B 50 65.258 16.569 14.227 1.00 48.34 ATOM 244 CA ALA B 50 64.728 16.322 15.555 1.00 48.31 ATOM 245 C ALA B 50 63.811 17.447 16.094 1.00 48.28 ATOM 246 O ALA B 50 62.864 17.129 16.810 1.00 48.29 ATOM 247 CB ALA B 50 65.859 16.032 16.528 1.00 48.26 ATOM 248 N PRO B 51 64.077 18.762 15.855 1.00 48.24 ATOM 249 CA PRO B 51 63.269 19.874 16.338 1.00 48.21 ATOM 250 C PRO B 51 61.840 19.794 15.821 1.00 48.22 ATOM 251 O PRO B 51 61.577 19.238 14.746 1.00 48.15 ATOM 252 CB PRO B 51 64.002 21.109 15.800 1.00 48.21 ATOM 253 N GLU B 52 60.919 20.400 16.558 1.00 48.19 ATOM 254 CA GLU B 52 59.505 20.380 16.217 1.00 48.16 ATOM 255 C GLU B 52 59.159 21.222 14.984 1.00 48.10 ATOM 256 O GLU B 52 58.469 22.237 15.070 1.00 48.09 ATOM 257 CB GLU B 52 58.692 20.886 17.412 1.00 48.17 ATOM 258 N SER B 53 59.639 20.758 13.831 1.00 48.04 ATOM 259 CA SER B 53 59.419 21.351 12.532 1.00 48.00 ATOM 260 C SER B 53 58.899 20.186 11.737 1.00 47.95 ATOM 261 O SER B 53 58.350 20.337 10.650 1.00 47.90 ATOM 262 CB SER B 53 60.689 21.913 11.910 1.00 48.00 ATOM 263 N ILE B 54 59.005 19.004 12.363 1.00 47.93 ATOM 264 CA ILE B 54 58.598 17.726 11.753 1.00 47.86 ATOM 265 C ILE B 54 57.117 17.612 11.367 1.00 47.74 ATOM 266 O ILE B 54 56.748 16.673 10.661 1.00 47.74 ATOM 267 CB ILE B 54 58.951 16.515 12.642 1.00 47.91 ATOM 268 N GLU B 55 56.250 18.492 11.879 1.00 47.62 ATOM 269 CA GLU B 55 54.840 18.439 11.497 1.00 47.52 ATOM 270 C GLU B 55 54.301 17.025 11.539 1.00 47.34 ATOM 271 O GLU B 55 53.867 16.462 10.531 1.00 47.23 ATOM 272 CB GLU B 55 54.645 19.073 10.133 1.00 47.52 ATOM 273 N PHE B 56 54.343 16.445 12.728 1.00 47.19 ATOM 274 CA PHE B 56 53.924 15.079 12.942 1.00 47.10 ATOM 275 C PHE B 56 52.765 14.994 13.927 1.00 47.07 ATOM 276 O PHE B 56 53.002 14.978 15.138 1.00 47.10 ATOM 277 CB PHE B 56 55.063 14.245 13.483 1.00 47.07 ATOM 278 N PRO B 57 51.508 15.085 13.457 1.00 47.00 ATOM 279 CA PRO B 57 50.313 15.029 14.256 1.00 47.01 ATOM 280 C PRO B 57 50.124 13.596 14.641 1.00 47.06 ATOM 281 O PRO B 57 50.584 12.709 13.918 1.00 47.22 ATOM 282 CB PRO B 57 49.230 15.516 13.296 1.00 47.03 TER