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 47 TYR ARG PRO SER GLN GLN ASP GLU CYS SER PRO ARG GLU SEQRES 2 B 47 GLY GLN PRO VAL CYS SER GLN ARG GLY GLU CYS LEU CYS SEQRES 3 B 47 GLY GLN CYS VAL CYS HIS SER SER ASP PHE GLY LYS ILE SEQRES 4 B 47 THR GLY LYS TYR CYS GLU CYS ASP ATOM 1 N TYR B 478 66.505 19.972 -20.621 1.00 56.50 ATOM 2 CA TYR B 478 67.676 20.217 -19.823 1.00 56.45 ATOM 3 C TYR B 478 67.833 18.919 -19.065 1.00 56.43 ATOM 4 O TYR B 478 68.803 18.673 -18.352 1.00 56.43 ATOM 5 CB TYR B 478 67.429 21.436 -18.960 1.00 56.43 ATOM 6 N ARG B 479 66.812 18.091 -19.292 1.00 56.42 ATOM 7 CA ARG B 479 66.620 16.753 -18.789 1.00 56.41 ATOM 8 C ARG B 479 67.774 15.749 -18.924 1.00 56.30 ATOM 9 O ARG B 479 67.945 14.960 -17.997 1.00 56.28 ATOM 10 CB ARG B 479 65.365 16.130 -19.393 1.00 56.46 ATOM 11 N PRO B 480 68.572 15.677 -20.027 1.00 56.16 ATOM 12 CA PRO B 480 69.619 14.663 -20.220 1.00 56.05 ATOM 13 C PRO B 480 70.858 14.857 -19.330 1.00 55.94 ATOM 14 O PRO B 480 71.972 15.073 -19.810 1.00 55.91 ATOM 15 CB PRO B 480 69.984 14.832 -21.711 1.00 56.04 ATOM 16 N SER B 481 70.618 14.761 -18.032 1.00 55.81 ATOM 17 CA SER B 481 71.567 14.901 -16.947 1.00 55.71 ATOM 18 C SER B 481 70.970 14.358 -15.664 1.00 55.64 ATOM 19 O SER B 481 69.946 13.680 -15.672 1.00 55.65 ATOM 20 CB SER B 481 71.952 16.338 -16.719 1.00 55.69 ATOM 21 N GLN B 482 71.686 14.552 -14.570 1.00 55.52 ATOM 22 CA GLN B 482 71.296 14.253 -13.172 1.00 55.39 ATOM 23 C GLN B 482 70.934 12.805 -12.772 1.00 55.28 ATOM 24 O GLN B 482 71.072 12.446 -11.598 1.00 55.33 ATOM 25 CB GLN B 482 70.091 15.136 -12.832 1.00 55.38 ATOM 26 N GLN B 483 70.660 11.924 -13.727 1.00 55.09 ATOM 27 CA GLN B 483 70.333 10.547 -13.375 1.00 54.96 ATOM 28 C GLN B 483 69.168 10.507 -12.386 1.00 54.79 ATOM 29 O GLN B 483 68.002 10.489 -12.790 1.00 54.76 ATOM 30 CB GLN B 483 71.561 9.788 -12.825 1.00 54.98 ATOM 31 N ASP B 484 69.514 10.355 -11.110 1.00 54.61 ATOM 32 CA ASP B 484 68.627 10.216 -9.959 1.00 54.48 ATOM 33 C ASP B 484 68.011 8.854 -9.729 1.00 54.30 ATOM 34 O ASP B 484 67.878 7.995 -10.608 1.00 54.27 ATOM 35 CB ASP B 484 67.513 11.277 -9.944 1.00 54.50 ATOM 36 N GLU B 485 67.610 8.661 -8.483 1.00 54.09 ATOM 37 CA GLU B 485 66.999 7.427 -8.031 1.00 53.91 ATOM 38 C GLU B 485 65.539 7.387 -8.446 1.00 53.74 ATOM 39 O GLU B 485 64.654 7.641 -7.637 1.00 53.78 ATOM 40 CB GLU B 485 67.107 7.334 -6.504 1.00 53.91 ATOM 41 N CYS B 486 65.304 7.090 -9.724 1.00 53.49 ATOM 42 CA CYS B 486 63.964 7.072 -10.334 1.00 53.33 ATOM 43 C CYS B 486 63.219 5.765 -10.107 1.00 53.15 ATOM 44 O CYS B 486 62.071 5.615 -10.527 1.00 53.16 ATOM 45 CB CYS B 486 64.056 7.263 -11.833 1.00 53.30 ATOM 46 N SER B 487 63.918 4.798 -9.538 1.00 52.91 ATOM 47 CA SER B 487 63.388 3.472 -9.318 1.00 52.79 ATOM 48 C SER B 487 64.213 2.715 -8.268 1.00 52.65 ATOM 49 O SER B 487 65.445 2.882 -8.234 1.00 52.57 ATOM 50 CB SER B 487 63.389 2.708 -10.607 1.00 52.80 ATOM 51 N PRO B 488 63.596 1.877 -7.402 1.00 52.51 ATOM 52 CA PRO B 488 64.270 1.121 -6.372 1.00 52.37 ATOM 53 C PRO B 488 65.374 0.278 -6.967 1.00 52.27 ATOM 54 O PRO B 488 65.235 -0.263 -8.078 1.00 52.20 ATOM 55 CB PRO B 488 63.152 0.225 -5.815 1.00 52.39 ATOM 56 N ARG B 489 66.482 0.209 -6.230 1.00 52.23 ATOM 57 CA ARG B 489 67.654 -0.580 -6.573 1.00 52.15 ATOM 58 C ARG B 489 68.276 -0.248 -7.923 1.00 52.07 ATOM 59 O ARG B 489 69.119 -1.004 -8.403 1.00 52.09 ATOM 60 CB ARG B 489 67.277 -2.049 -6.553 1.00 52.14 ATOM 61 N GLU B 490 67.897 0.879 -8.534 1.00 51.94 ATOM 62 CA GLU B 490 68.461 1.257 -9.818 1.00 51.83 ATOM 63 C GLU B 490 68.367 0.112 -10.840 1.00 51.78 ATOM 64 O GLU B 490 69.280 -0.078 -11.647 1.00 51.73 ATOM 65 CB GLU B 490 69.929 1.721 -9.668 1.00 51.80 ATOM 66 N GLY B 491 67.193 -0.554 -10.923 1.00 51.74 ATOM 67 CA GLY B 491 66.970 -1.660 -11.889 1.00 51.70 ATOM 68 C GLY B 491 66.864 -1.188 -13.356 1.00 51.68 ATOM 69 O GLY B 491 66.784 -1.988 -14.287 1.00 51.69 ATOM 70 N GLN B 492 66.883 0.122 -13.503 1.00 51.61 ATOM 71 CA GLN B 492 66.828 0.961 -14.694 1.00 51.54 ATOM 72 C GLN B 492 65.607 0.893 -15.617 1.00 51.48 ATOM 73 O GLN B 492 65.776 0.817 -16.834 1.00 51.60 ATOM 74 CB GLN B 492 68.021 0.637 -15.608 1.00 51.55 ATOM 75 N PRO B 493 64.368 0.929 -15.108 1.00 51.32 ATOM 76 CA PRO B 493 63.187 1.095 -15.900 1.00 51.22 ATOM 77 C PRO B 493 63.245 2.581 -16.086 1.00 51.14 ATOM 78 O PRO B 493 63.941 3.225 -15.301 1.00 51.15 ATOM 79 CB PRO B 493 62.065 0.649 -14.980 1.00 51.23 ATOM 80 N VAL B 494 62.505 3.169 -16.999 1.00 51.03 ATOM 81 CA VAL B 494 62.533 4.622 -16.934 1.00 50.98 ATOM 82 C VAL B 494 61.743 5.079 -15.711 1.00 50.92 ATOM 83 O VAL B 494 62.088 6.072 -15.068 1.00 50.92 ATOM 84 CB VAL B 494 62.017 5.261 -18.241 1.00 51.01 ATOM 85 N CYS B 495 60.646 4.371 -15.434 1.00 50.89 ATOM 86 CA CYS B 495 59.800 4.634 -14.290 1.00 50.88 ATOM 87 C CYS B 495 58.694 3.616 -14.071 1.00 50.82 ATOM 88 O CYS B 495 57.530 3.936 -14.294 1.00 50.76 ATOM 89 CB CYS B 495 59.118 5.963 -14.425 1.00 50.90 ATOM 90 N SER B 496 59.001 2.417 -13.624 1.00 50.76 ATOM 91 CA SER B 496 57.922 1.467 -13.355 1.00 50.73 ATOM 92 C SER B 496 56.881 1.372 -14.490 1.00 50.74 ATOM 93 O SER B 496 55.670 1.393 -14.227 1.00 50.79 ATOM 94 CB SER B 496 57.224 1.844 -12.054 1.00 50.74 ATOM 95 N GLN B 497 57.327 1.192 -15.741 1.00 50.72 ATOM 96 CA GLN B 497 56.406 1.147 -16.882 1.00 50.71 ATOM 97 C GLN B 497 55.633 2.453 -17.113 1.00 50.79 ATOM 98 O GLN B 497 56.003 3.254 -17.976 1.00 50.87 ATOM 99 CB GLN B 497 55.408 -0.025 -16.824 1.00 50.68 ATOM 100 N ARG B 498 54.477 2.602 -16.484 1.00 50.86 ATOM 101 CA ARG B 498 53.575 3.723 -16.782 1.00 50.87 ATOM 102 C ARG B 498 54.049 5.099 -16.273 1.00 50.83 ATOM 103 O ARG B 498 53.410 5.698 -15.407 1.00 50.74 ATOM 104 CB ARG B 498 52.210 3.441 -16.160 1.00 50.94 ATOM 105 N GLY B 499 55.123 5.616 -16.869 1.00 50.86 ATOM 106 CA GLY B 499 55.683 6.926 -16.507 1.00 50.88 ATOM 107 C GLY B 499 57.093 7.145 -17.059 1.00 50.94 ATOM 108 O GLY B 499 57.649 6.267 -17.714 1.00 50.85 ATOM 109 N GLU B 500 57.680 8.314 -16.766 1.00 51.10 ATOM 110 CA GLU B 500 59.037 8.655 -17.226 1.00 51.23 ATOM 111 C GLU B 500 59.790 9.545 -16.218 1.00 51.35 ATOM 112 O GLU B 500 59.249 10.534 -15.731 1.00 51.34 ATOM 113 CB GLU B 500 58.923 9.396 -18.562 1.00 51.23 ATOM 114 N CYS B 501 61.047 9.236 -15.896 1.00 51.54 ATOM 115 CA CYS B 501 61.772 10.101 -14.959 1.00 51.57 ATOM 116 C CYS B 501 61.990 11.511 -15.485 1.00 51.47 ATOM 117 O CYS B 501 62.476 11.680 -16.609 1.00 51.43 ATOM 118 CB CYS B 501 63.130 9.546 -14.583 1.00 51.67 ATOM 119 N LEU B 502 61.639 12.522 -14.679 1.00 51.35 ATOM 120 CA LEU B 502 61.839 13.915 -15.029 1.00 51.27 ATOM 121 C LEU B 502 62.524 14.725 -13.915 1.00 51.24 ATOM 122 O LEU B 502 61.888 15.226 -12.983 1.00 51.24 ATOM 123 CB LEU B 502 60.467 14.548 -15.378 1.00 51.25 ATOM 124 N CYS B 503 63.818 14.933 -14.071 1.00 51.17 ATOM 125 CA CYS B 503 64.621 15.784 -13.201 1.00 51.16 ATOM 126 C CYS B 503 64.443 15.595 -11.683 1.00 51.17 ATOM 127 O CYS B 503 64.193 16.561 -10.959 1.00 51.23 ATOM 128 CB CYS B 503 64.312 17.202 -13.586 1.00 51.14 ATOM 129 N GLY B 504 64.558 14.362 -11.206 1.00 51.15 ATOM 130 CA GLY B 504 64.465 14.050 -9.774 1.00 51.13 ATOM 131 C GLY B 504 63.107 13.528 -9.307 1.00 51.14 ATOM 132 O GLY B 504 62.996 12.953 -8.221 1.00 51.17 ATOM 133 N GLN B 505 62.076 13.701 -10.120 1.00 51.11 ATOM 134 CA GLN B 505 60.747 13.203 -9.806 1.00 51.05 ATOM 135 C GLN B 505 60.295 12.517 -11.065 1.00 51.00 ATOM 136 O GLN B 505 60.778 12.879 -12.125 1.00 50.90 ATOM 137 CB GLN B 505 59.787 14.330 -9.415 1.00 51.09 ATOM 138 N CYS B 506 59.406 11.548 -11.019 1.00 51.01 ATOM 139 CA CYS B 506 58.955 11.043 -12.297 1.00 51.08 ATOM 140 C CYS B 506 57.677 11.750 -12.668 1.00 51.16 ATOM 141 O CYS B 506 56.949 12.231 -11.797 1.00 51.15 ATOM 142 CB CYS B 506 58.768 9.541 -12.268 1.00 51.06 ATOM 143 N VAL B 507 57.400 11.814 -13.954 1.00 51.28 ATOM 144 CA VAL B 507 56.162 12.395 -14.416 1.00 51.39 ATOM 145 C VAL B 507 55.366 11.265 -15.009 1.00 51.51 ATOM 146 O VAL B 507 55.913 10.426 -15.729 1.00 51.50 ATOM 147 CB VAL B 507 56.416 13.519 -15.461 1.00 51.41 ATOM 148 N CYS B 508 54.096 11.178 -14.674 1.00 51.65 ATOM 149 CA CYS B 508 53.334 10.118 -15.278 1.00 51.74 ATOM 150 C CYS B 508 52.583 10.688 -16.445 1.00 51.95 ATOM 151 O CYS B 508 51.790 11.608 -16.256 1.00 51.95 ATOM 152 CB CYS B 508 52.315 9.497 -14.371 1.00 51.74 ATOM 153 N HIS B 509 52.824 10.186 -17.648 1.00 52.19 ATOM 154 CA HIS B 509 52.112 10.729 -18.779 1.00 52.42 ATOM 155 C HIS B 509 50.708 10.140 -18.936 1.00 52.44 ATOM 156 O HIS B 509 49.824 10.804 -19.473 1.00 52.50 ATOM 157 CB HIS B 509 52.957 10.458 -20.023 1.00 52.53 ATOM 158 N SER B 510 50.451 8.963 -18.349 1.00 52.44 ATOM 159 CA SER B 510 49.160 8.300 -18.481 1.00 52.42 ATOM 160 C SER B 510 48.046 9.165 -17.907 1.00 52.28 ATOM 161 O SER B 510 48.202 9.803 -16.863 1.00 52.19 ATOM 162 CB SER B 510 49.188 6.961 -17.764 1.00 52.48 ATOM 163 N SER B 511 46.890 9.168 -18.564 1.00 52.09 ATOM 164 CA SER B 511 45.769 9.968 -18.088 1.00 51.97 ATOM 165 C SER B 511 44.490 9.289 -18.498 1.00 51.83 ATOM 166 O SER B 511 43.559 9.936 -18.998 1.00 51.83 ATOM 167 CB SER B 511 45.831 11.348 -18.692 1.00 51.96 ATOM 168 N ASP B 512 44.433 7.988 -18.255 1.00 51.66 ATOM 169 CA ASP B 512 43.358 7.175 -18.765 1.00 51.58 ATOM 170 C ASP B 512 42.729 6.253 -17.734 1.00 51.42 ATOM 171 O ASP B 512 43.411 5.458 -17.088 1.00 51.52 ATOM 172 CB ASP B 512 43.966 6.347 -19.888 1.00 51.60 ATOM 173 N PHE B 513 41.418 6.405 -17.571 1.00 51.18 ATOM 174 CA PHE B 513 40.584 5.608 -16.662 1.00 51.00 ATOM 175 C PHE B 513 40.962 5.697 -15.186 1.00 50.89 ATOM 176 O PHE B 513 40.753 4.740 -14.439 1.00 50.90 ATOM 177 CB PHE B 513 40.647 4.134 -17.070 1.00 50.94 ATOM 178 N GLY B 514 41.489 6.834 -14.746 1.00 50.78 ATOM 179 CA GLY B 514 41.880 6.978 -13.352 1.00 50.68 ATOM 180 C GLY B 514 43.074 7.905 -13.238 1.00 50.62 ATOM 181 O GLY B 514 43.340 8.708 -14.134 1.00 50.56 ATOM 182 N LYS B 515 43.754 7.836 -12.100 1.00 50.56 ATOM 183 CA LYS B 515 44.892 8.697 -11.805 1.00 50.52 ATOM 184 C LYS B 515 46.103 7.914 -11.321 1.00 50.49 ATOM 185 O LYS B 515 45.980 6.782 -10.829 1.00 50.50 ATOM 186 CB LYS B 515 44.522 9.736 -10.741 1.00 50.54 ATOM 187 N ILE B 516 47.264 8.545 -11.459 1.00 50.44 ATOM 188 CA ILE B 516 48.518 7.998 -10.979 1.00 50.41 ATOM 189 C ILE B 516 49.133 8.889 -9.902 1.00 50.35 ATOM 190 O ILE B 516 49.310 10.090 -10.115 1.00 50.30 ATOM 191 CB ILE B 516 49.496 7.846 -12.144 1.00 50.43 ATOM 192 N THR B 517 49.496 8.287 -8.771 1.00 50.30 ATOM 193 CA THR B 517 50.115 9.024 -7.651 1.00 50.23 ATOM 194 C THR B 517 51.534 8.552 -7.264 1.00 50.25 ATOM 195 O THR B 517 51.897 7.371 -7.361 1.00 50.24 ATOM 196 CB THR B 517 49.173 9.039 -6.394 1.00 50.22 ATOM 197 N GLY B 518 52.356 9.516 -6.844 1.00 50.29 ATOM 198 CA GLY B 518 53.686 9.244 -6.314 1.00 50.34 ATOM 199 C GLY B 518 54.856 9.555 -7.245 1.00 50.41 ATOM 200 O GLY B 518 54.744 9.532 -8.472 1.00 50.44 ATOM 201 N LYS B 519 56.015 9.782 -6.628 1.00 50.49 ATOM 202 CA LYS B 519 57.281 10.134 -7.245 1.00 50.52 ATOM 203 C LYS B 519 57.703 9.160 -8.315 1.00 50.52 ATOM 204 O LYS B 519 58.359 9.568 -9.264 1.00 50.61 ATOM 205 CB LYS B 519 58.407 10.267 -6.216 1.00 50.52 ATOM 206 N TYR B 520 57.406 7.864 -8.137 1.00 50.49 ATOM 207 CA TYR B 520 57.766 6.836 -9.117 1.00 50.45 ATOM 208 C TYR B 520 56.565 6.339 -9.906 1.00 50.47 ATOM 209 O TYR B 520 56.608 5.240 -10.452 1.00 50.48 ATOM 210 CB TYR B 520 58.419 5.612 -8.469 1.00 50.39 ATOM 211 N CYS B 521 55.453 7.083 -9.895 1.00 50.48 ATOM 212 CA CYS B 521 54.234 6.671 -10.596 1.00 50.50 ATOM 213 C CYS B 521 53.795 5.298 -10.073 1.00 50.37 ATOM 214 O CYS B 521 53.326 4.435 -10.814 1.00 50.26 ATOM 215 CB CYS B 521 54.499 6.604 -12.104 1.00 50.57 ATOM 216 N GLU B 522 53.982 5.127 -8.772 1.00 50.28 ATOM 217 CA GLU B 522 53.703 3.935 -7.998 1.00 50.20 ATOM 218 C GLU B 522 52.257 3.520 -7.862 1.00 50.13 ATOM 219 O GLU B 522 51.942 2.329 -7.860 1.00 50.06 ATOM 220 CB GLU B 522 54.254 4.135 -6.595 1.00 50.20 ATOM 221 N CYS B 523 51.388 4.493 -7.644 1.00 50.02 ATOM 222 CA CYS B 523 50.020 4.183 -7.313 1.00 49.96 ATOM 223 C CYS B 523 49.056 4.184 -8.480 1.00 49.93 ATOM 224 O CYS B 523 48.716 5.253 -8.990 1.00 49.91 ATOM 225 CB CYS B 523 49.534 5.262 -6.380 1.00 49.98 ATOM 226 N ASP B 524 48.538 3.010 -8.837 1.00 49.87 ATOM 227 CA ASP B 524 47.578 2.897 -9.935 1.00 49.79 ATOM 228 C ASP B 524 46.157 2.829 -9.372 1.00 49.70 ATOM 229 O ASP B 524 45.745 1.801 -8.825 1.00 49.63 ATOM 230 CB ASP B 524 47.864 1.657 -10.794 1.00 49.79 TER