HEADER CELL ADHESION 25-JUL-11 3T3P TITLE A Novel High Affinity Integrin alphaIIbbeta3 Receptor Antagonist That TITLE 2 Unexpectedly Displaces Mg2+ from the beta3 MIDAS COMPND MOL_ID: 2; COMPND 2 MOLECULE: Integrin beta-3; COMPND 3 CHAIN: B, D; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.20 ANGSTORMS DBREF 3T3P B 1 472 UNP P05106 ITB3_HUMAN 27 498 MODRES 3T3P ASN B 99 ASN GLYCOSYLATION SITE MODRES 3T3P ASN B 371 ASN GLYCOSYLATION SITE MODRES 3T3P ASN B 320 ASN GLYCOSYLATION SITE SEQRES 1 B 26 ALA GLU PRO ASN SER HIS ARG CYS ASN ASN GLY ASN GLY SEQRES 2 B 26 THR PHE GLU CYS GLY VAL CYS ARG CYS GLY PRO GLY TRP ATOM 1 N ALA B 441 116.661 96.398 20.653 1.00 60.43 ATOM 2 CA ALA B 441 116.780 95.013 20.221 1.00 57.26 ATOM 3 C ALA B 441 116.882 94.951 18.700 1.00 57.93 ATOM 4 O ALA B 441 116.713 95.962 18.018 1.00 59.00 ATOM 5 CB ALA B 441 115.593 94.206 20.705 1.00 54.30 ATOM 6 N GLU B 442 117.159 93.764 18.171 1.00 60.82 ATOM 7 CA GLU B 442 117.334 93.596 16.734 1.00 61.10 ATOM 8 C GLU B 442 116.439 92.482 16.212 1.00 59.96 ATOM 9 O GLU B 442 116.770 91.303 16.335 1.00 59.28 ATOM 10 CB GLU B 442 118.798 93.297 16.401 1.00 62.96 ATOM 11 CG GLU B 442 119.076 93.123 14.912 1.00 64.58 ATOM 12 CD GLU B 442 120.552 92.920 14.610 1.00 67.64 ATOM 13 OE1 GLU B 442 121.373 93.022 15.547 1.00 68.90 ATOM 14 OE2 GLU B 442 120.894 92.660 13.436 1.00 70.17 ATOM 15 N PRO B 443 115.293 92.858 15.628 1.00 52.15 ATOM 16 CA PRO B 443 114.359 91.891 15.044 1.00 52.83 ATOM 17 C PRO B 443 114.905 91.274 13.764 1.00 52.65 ATOM 18 O PRO B 443 115.505 91.972 12.949 1.00 54.01 ATOM 19 CB PRO B 443 113.126 92.741 14.738 1.00 53.60 ATOM 20 CG PRO B 443 113.657 94.115 14.547 1.00 53.24 ATOM 21 CD PRO B 443 114.804 94.241 15.502 1.00 52.21 ATOM 22 N ASN B 444 114.694 89.974 13.597 1.00 49.13 ATOM 23 CA ASN B 444 115.180 89.265 12.423 1.00 52.32 ATOM 24 C ASN B 444 116.694 89.412 12.288 1.00 53.23 ATOM 25 O ASN B 444 117.209 89.648 11.196 1.00 55.55 ATOM 26 CB ASN B 444 114.486 89.788 11.164 1.00 53.54 ATOM 27 CG ASN B 444 112.973 89.813 11.297 1.00 53.54 ATOM 28 OD1 ASN B 444 112.324 88.768 11.354 1.00 54.85 ATOM 29 ND2 ASN B 444 112.402 91.013 11.329 1.00 50.74 ATOM 30 N SER B 445 117.399 89.267 13.406 1.00 61.83 ATOM 31 CA SER B 445 118.838 89.503 13.450 1.00 61.71 ATOM 32 C SER B 445 119.613 88.475 12.640 1.00 62.64 ATOM 33 O SER B 445 119.363 87.275 12.734 1.00 63.92 ATOM 34 CB SER B 445 119.337 89.489 14.897 1.00 61.13 ATOM 35 OG SER B 445 120.749 89.615 14.949 1.00 61.73 ATOM 36 N HIS B 446 120.562 88.963 11.849 1.00 64.23 ATOM 37 CA HIS B 446 121.455 88.099 11.090 1.00 66.81 ATOM 38 C HIS B 446 122.122 87.076 12.004 1.00 67.94 ATOM 39 O HIS B 446 122.489 85.985 11.568 1.00 67.40 ATOM 40 CB HIS B 446 122.524 88.939 10.392 1.00 68.21 ATOM 41 CG HIS B 446 123.591 88.126 9.729 1.00 73.94 ATOM 42 ND1 HIS B 446 123.332 87.278 8.674 1.00 76.30 ATOM 43 CD2 HIS B 446 124.919 88.028 9.974 1.00 73.89 ATOM 44 CE1 HIS B 446 124.455 86.695 8.294 1.00 79.07 ATOM 45 NE2 HIS B 446 125.432 87.132 9.067 1.00 79.60 ATOM 46 N ARG B 447 122.267 87.433 13.276 1.00 77.62 ATOM 47 CA ARG B 447 122.969 86.590 14.237 1.00 79.07 ATOM 48 C ARG B 447 122.113 85.444 14.767 1.00 78.12 ATOM 49 O ARG B 447 122.637 84.494 15.348 1.00 79.25 ATOM 50 CB ARG B 447 123.441 87.434 15.419 1.00 77.29 ATOM 51 CG ARG B 447 124.303 88.617 15.037 1.00 78.68 ATOM 52 CD ARG B 447 124.796 89.344 16.276 1.00 79.30 ATOM 53 NE ARG B 447 125.679 90.459 15.945 1.00 81.48 ATOM 54 CZ ARG B 447 125.272 91.712 15.756 1.00 81.01 ATOM 55 NH1 ARG B 447 123.983 92.027 15.865 1.00 75.64 ATOM 56 NH2 ARG B 447 126.159 92.653 15.456 1.00 81.57 ATOM 57 N CYS B 448 120.802 85.526 14.574 1.00 67.58 ATOM 58 CA CYS B 448 119.895 84.588 15.227 1.00 69.17 ATOM 59 C CYS B 448 119.211 83.623 14.268 1.00 73.65 ATOM 60 O CYS B 448 118.155 83.920 13.717 1.00 73.88 ATOM 61 CB CYS B 448 118.850 85.357 16.035 1.00 66.80 ATOM 62 SG CYS B 448 119.561 86.292 17.416 1.00 67.44 ATOM 63 N ASN B 449 119.822 82.458 14.087 1.00 90.95 ATOM 64 CA ASN B 449 119.235 81.390 13.289 1.00 96.62 ATOM 65 C ASN B 449 118.806 81.873 11.905 1.00 95.86 ATOM 66 O ASN B 449 117.705 81.570 11.447 1.00 99.64 ATOM 67 CB ASN B 449 118.039 80.787 14.030 1.00 99.27 ATOM 68 CG ASN B 449 117.640 79.430 13.487 1.00106.79 ATOM 69 OD1 ASN B 449 118.425 78.761 12.812 1.00107.68 ATOM 70 ND2 ASN B 449 116.415 79.013 13.783 1.00110.70 ATOM 71 N ASN B 450 119.682 82.623 11.245 1.00 86.44 ATOM 72 CA ASN B 450 119.402 83.147 9.910 1.00 86.89 ATOM 73 C ASN B 450 118.155 84.025 9.860 1.00 83.97 ATOM 74 O ASN B 450 117.290 83.840 9.003 1.00 86.25 ATOM 75 CB ASN B 450 119.264 82.005 8.902 1.00 91.54 ATOM 76 CG ASN B 450 120.600 81.392 8.529 1.00 96.28 ATOM 77 OD1 ASN B 450 121.578 81.510 9.268 1.00 95.07 ATOM 78 ND2 ASN B 450 120.649 80.737 7.374 1.00100.86 ATOM 79 N GLY B 451 118.069 84.980 10.780 1.00 73.40 ATOM 80 CA GLY B 451 116.990 85.952 10.775 1.00 72.19 ATOM 81 C GLY B 451 115.682 85.454 11.364 1.00 74.30 ATOM 82 O GLY B 451 114.716 86.211 11.453 1.00 74.69 ATOM 83 N ASN B 452 115.641 84.186 11.765 1.00 83.13 ATOM 84 CA ASN B 452 114.439 83.620 12.375 1.00 87.83 ATOM 85 C ASN B 452 114.158 84.199 13.761 1.00 84.02 ATOM 86 O ASN B 452 113.042 84.093 14.272 1.00 86.64 ATOM 87 CB ASN B 452 114.554 82.096 12.474 1.00 93.35 ATOM 88 CG ASN B 452 114.235 81.399 11.164 1.00 97.80 ATOM 89 OD1 ASN B 452 113.376 81.846 10.404 1.00 96.45 ATOM 90 ND2 ASN B 452 114.926 80.293 10.896 1.00101.07 ATOM 91 N GLY B 453 115.171 84.815 14.362 1.00 61.72 ATOM 92 CA GLY B 453 115.064 85.284 15.729 1.00 58.29 ATOM 93 C GLY B 453 115.427 86.742 15.921 1.00 52.25 ATOM 94 O GLY B 453 115.769 87.448 14.974 1.00 51.10 ATOM 95 N THR B 454 115.355 87.185 17.170 1.00 43.28 ATOM 96 CA THR B 454 115.601 88.575 17.517 1.00 41.26 ATOM 97 C THR B 454 116.750 88.672 18.514 1.00 42.75 ATOM 98 O THR B 454 116.834 87.892 19.464 1.00 42.22 ATOM 99 CB THR B 454 114.335 89.220 18.120 1.00 41.02 ATOM 100 OG1 THR B 454 113.357 89.401 17.088 1.00 44.89 ATOM 101 CG2 THR B 454 114.650 90.564 18.747 1.00 38.70 ATOM 102 N PHE B 455 117.638 89.632 18.288 1.00 54.23 ATOM 103 CA PHE B 455 118.812 89.802 19.131 1.00 56.60 ATOM 104 C PHE B 455 118.590 90.981 20.073 1.00 55.84 ATOM 105 O PHE B 455 118.536 92.130 19.634 1.00 56.16 ATOM 106 CB PHE B 455 120.046 90.036 18.252 1.00 58.12 ATOM 107 CG PHE B 455 121.352 89.975 18.994 1.00 59.48 ATOM 108 CD1 PHE B 455 122.008 88.767 19.171 1.00 62.14 ATOM 109 CD2 PHE B 455 121.933 91.128 19.498 1.00 60.66 ATOM 110 CE1 PHE B 455 123.218 88.709 19.849 1.00 63.80 ATOM 111 CE2 PHE B 455 123.141 91.077 20.174 1.00 62.68 ATOM 112 CZ PHE B 455 123.784 89.866 20.350 1.00 63.38 ATOM 113 N GLU B 456 118.440 90.695 21.364 1.00 58.34 ATOM 114 CA GLU B 456 118.228 91.751 22.350 1.00 61.47 ATOM 115 C GLU B 456 119.023 91.488 23.618 1.00 60.68 ATOM 116 O GLU B 456 119.112 90.351 24.084 1.00 60.56 ATOM 117 CB GLU B 456 116.740 91.893 22.701 1.00 60.50 ATOM 118 CG GLU B 456 116.249 90.934 23.788 1.00 60.36 ATOM 119 CD GLU B 456 114.865 91.292 24.321 1.00 60.82 ATOM 120 OE1 GLU B 456 114.435 92.455 24.154 1.00 61.30 ATOM 121 OE2 GLU B 456 114.205 90.407 24.908 1.00 59.97 ATOM 122 N CYS B 457 119.592 92.550 24.176 1.00 52.96 ATOM 123 CA CYS B 457 120.318 92.461 25.438 1.00 56.30 ATOM 124 C CYS B 457 121.417 91.399 25.401 1.00 57.86 ATOM 125 O CYS B 457 121.776 90.836 26.434 1.00 58.91 ATOM 126 CB CYS B 457 119.346 92.164 26.581 1.00 54.16 ATOM 127 SG CYS B 457 118.048 93.405 26.771 1.00 57.01 ATOM 128 N GLY B 458 121.938 91.123 24.207 1.00 66.55 ATOM 129 CA GLY B 458 123.077 90.233 24.053 1.00 67.61 ATOM 130 C GLY B 458 122.748 88.759 23.886 1.00 67.78 ATOM 131 O GLY B 458 123.627 87.912 24.049 1.00 69.02 ATOM 132 N VAL B 459 121.499 88.442 23.556 1.00 60.23 ATOM 133 CA VAL B 459 121.099 87.050 23.343 1.00 60.71 ATOM 134 C VAL B 459 120.051 86.909 22.238 1.00 60.28 ATOM 135 O VAL B 459 119.427 87.888 21.827 1.00 59.93 ATOM 136 CB VAL B 459 120.540 86.421 24.632 1.00 61.46 ATOM 137 CG1 VAL B 459 121.652 86.199 25.644 1.00 65.04 ATOM 138 CG2 VAL B 459 119.443 87.297 25.214 1.00 60.09 ATOM 139 N CYS B 460 119.862 85.681 21.763 1.00 61.93 ATOM 140 CA CYS B 460 118.901 85.409 20.701 1.00 63.20 ATOM 141 C CYS B 460 117.570 84.919 21.263 1.00 64.13 ATOM 142 O CYS B 460 117.507 83.896 21.946 1.00 65.32 ATOM 143 CB CYS B 460 119.464 84.375 19.722 1.00 67.09 ATOM 144 SG CYS B 460 120.690 85.033 18.557 1.00 69.80 ATOM 145 N ARG B 461 116.508 85.661 20.965 1.00 64.33 ATOM 146 CA ARG B 461 115.160 85.297 21.386 1.00 67.38 ATOM 147 C ARG B 461 114.336 84.890 20.171 1.00 70.48 ATOM 148 O ARG B 461 114.426 85.522 19.118 1.00 68.19 ATOM 149 CB ARG B 461 114.476 86.480 22.081 1.00 63.01 ATOM 150 CG ARG B 461 115.171 86.988 23.342 1.00 58.86 ATOM 151 CD ARG B 461 114.853 86.135 24.566 1.00 60.51 ATOM 152 NE ARG B 461 113.418 86.035 24.831 1.00 60.61 ATOM 153 CZ ARG B 461 112.675 87.009 25.352 1.00 57.61 ATOM 154 NH1 ARG B 461 113.216 88.178 25.660 1.00 56.70 ATOM 155 NH2 ARG B 461 111.380 86.816 25.558 1.00 56.70 ATOM 156 N CYS B 462 113.539 83.834 20.314 1.00 37.05 ATOM 157 CA CYS B 462 112.596 83.448 19.267 1.00 44.27 ATOM 158 C CYS B 462 111.722 84.649 18.907 1.00 50.39 ATOM 159 O CYS B 462 111.314 85.410 19.782 1.00 52.75 ATOM 160 CB CYS B 462 111.724 82.277 19.726 1.00 45.46 ATOM 161 SG CYS B 462 112.526 80.652 19.648 1.00125.12 ATOM 162 N GLY B 463 111.444 84.825 17.620 1.00 51.17 ATOM 163 CA GLY B 463 110.658 85.958 17.164 1.00 46.33 ATOM 164 C GLY B 463 109.163 85.716 17.267 1.00 44.70 ATOM 165 O GLY B 463 108.731 84.613 17.618 1.00 40.99 ATOM 166 N PRO B 464 108.362 86.754 16.973 1.00 41.07 ATOM 167 CA PRO B 464 106.896 86.670 16.962 1.00 40.83 ATOM 168 C PRO B 464 106.378 85.606 16.007 1.00 43.49 ATOM 169 O PRO B 464 106.823 85.529 14.864 1.00 62.53 ATOM 170 CB PRO B 464 106.472 88.058 16.482 1.00 42.15 ATOM 171 CG PRO B 464 107.575 88.951 16.909 1.00 45.47 ATOM 172 CD PRO B 464 108.831 88.135 16.771 1.00 44.89 ATOM 173 N GLY B 465 105.445 84.791 16.481 1.00 43.19 ATOM 174 CA GLY B 465 104.833 83.772 15.650 1.00 48.58 ATOM 175 C GLY B 465 105.436 82.393 15.833 1.00 57.94 ATOM 176 O GLY B 465 104.900 81.409 15.327 1.00 52.68 ATOM 177 N TRP B 466 106.549 82.314 16.554 1.00 71.42 ATOM 178 CA TRP B 466 107.239 81.044 16.754 1.00 76.75 ATOM 179 C TRP B 466 106.792 80.368 18.046 1.00 80.16 ATOM 180 O TRP B 466 106.252 79.260 18.022 1.00 79.84 ATOM 181 CB TRP B 466 108.754 81.259 16.770 1.00 80.22 ATOM 182 CG TRP B 466 109.303 81.752 15.461 1.00 81.39 ATOM 183 CD1 TRP B 466 109.717 83.019 15.168 1.00 79.76 ATOM 184 CD2 TRP B 466 109.491 80.984 14.268 1.00 83.00 ATOM 185 NE1 TRP B 466 110.154 83.087 13.868 1.00 76.94 ATOM 186 CE2 TRP B 466 110.025 81.851 13.293 1.00 79.10 ATOM 187 CE3 TRP B 466 109.261 79.648 13.930 1.00 88.87 ATOM 188 CZ2 TRP B 466 110.332 81.424 12.006 1.00 87.17 ATOM 189 CZ3 TRP B 466 109.566 79.227 12.650 1.00 92.46 ATOM 190 CH2 TRP B 466 110.096 80.112 11.704 1.00 92.34 TER