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 D 1 472 UNP P05106 ITB3_HUMAN 27 498 MODRES 3T3P ASN D 99 ASN GLYCOSYLATION SITE MODRES 3T3P ASN D 371 ASN GLYCOSYLATION SITE MODRES 3T3P ASN D 320 ASN GLYCOSYLATION SITE SEQRES 1 D 31 ALA GLU PRO ASN SER HIS ARG CYS ASN ASN GLY ASN GLY SEQRES 2 D 31 THR PHE GLU CYS GLY VAL CYS ARG CYS GLY PRO GLY TRP SEQRES 3 D 31 LEU GLY SER GLN CYS ATOM 1 N ALA D 441 18.346 85.417 150.389 1.00 45.56 ATOM 2 CA ALA D 441 18.965 84.561 151.393 1.00 43.01 ATOM 3 C ALA D 441 18.781 85.178 152.772 1.00 44.14 ATOM 4 O ALA D 441 18.853 86.396 152.924 1.00 46.09 ATOM 5 CB ALA D 441 20.437 84.377 151.089 1.00 42.60 ATOM 6 N GLU D 442 18.537 84.338 153.773 1.00 45.17 ATOM 7 CA GLU D 442 18.352 84.817 155.138 1.00 46.32 ATOM 8 C GLU D 442 19.500 84.353 156.021 1.00 43.10 ATOM 9 O GLU D 442 19.543 83.192 156.415 1.00 43.77 ATOM 10 CB GLU D 442 17.020 84.317 155.710 1.00 49.84 ATOM 11 CG GLU D 442 16.756 84.779 157.140 1.00 51.32 ATOM 12 CD GLU D 442 15.461 84.224 157.722 1.00 54.96 ATOM 13 OE1 GLU D 442 14.841 83.334 157.094 1.00 53.78 ATOM 14 OE2 GLU D 442 15.065 84.684 158.818 1.00 57.47 ATOM 15 N PRO D 443 20.438 85.264 156.333 1.00 31.23 ATOM 16 CA PRO D 443 21.581 84.963 157.204 1.00 27.87 ATOM 17 C PRO D 443 21.160 84.767 158.661 1.00 29.47 ATOM 18 O PRO D 443 20.161 85.345 159.089 1.00 32.40 ATOM 19 CB PRO D 443 22.461 86.216 157.086 1.00 31.65 ATOM 20 CG PRO D 443 21.896 87.010 155.941 1.00 32.81 ATOM 21 CD PRO D 443 20.459 86.659 155.867 1.00 31.71 ATOM 22 N ASN D 444 21.911 83.961 159.404 1.00 23.36 ATOM 23 CA ASN D 444 21.621 83.716 160.814 1.00 27.77 ATOM 24 C ASN D 444 20.142 83.399 161.043 1.00 29.86 ATOM 25 O ASN D 444 19.517 83.886 161.987 1.00 29.47 ATOM 26 CB ASN D 444 22.069 84.914 161.652 1.00 27.19 ATOM 27 CG ASN D 444 23.541 85.244 161.438 1.00 30.75 ATOM 28 OD1 ASN D 444 24.419 84.446 161.768 1.00 28.42 ATOM 29 ND2 ASN D 444 23.814 86.409 160.862 1.00 26.87 ATOM 30 N SER D 445 19.604 82.560 160.166 1.00 25.08 ATOM 31 CA SER D 445 18.190 82.215 160.174 1.00 26.55 ATOM 32 C SER D 445 17.809 81.377 161.389 1.00 27.90 ATOM 33 O SER D 445 18.475 80.398 161.711 1.00 28.02 ATOM 34 CB SER D 445 17.852 81.448 158.895 1.00 25.65 ATOM 35 OG SER D 445 16.511 80.997 158.907 1.00 31.36 ATOM 36 N HIS D 446 16.730 81.769 162.059 1.00 46.05 ATOM 37 CA HIS D 446 16.182 80.985 163.161 1.00 48.28 ATOM 38 C HIS D 446 15.896 79.561 162.697 1.00 48.89 ATOM 39 O HIS D 446 15.922 78.617 163.486 1.00 48.11 ATOM 40 CB HIS D 446 14.883 81.616 163.653 1.00 50.57 ATOM 41 CG HIS D 446 13.739 81.464 162.697 1.00 52.84 ATOM 42 ND1 HIS D 446 12.594 80.762 163.010 1.00 54.40 ATOM 43 CD2 HIS D 446 13.571 81.914 161.429 1.00 51.23 ATOM 44 CE1 HIS D 446 11.766 80.793 161.979 1.00 52.32 ATOM 45 NE2 HIS D 446 12.335 81.484 161.008 1.00 52.62 ATOM 46 N ARG D 447 15.628 79.423 161.402 1.00 56.85 ATOM 47 CA ARG D 447 15.234 78.151 160.812 1.00 58.34 ATOM 48 C ARG D 447 16.413 77.192 160.612 1.00 57.93 ATOM 49 O ARG D 447 16.215 76.036 160.242 1.00 56.20 ATOM 50 CB ARG D 447 14.540 78.419 159.474 1.00 57.76 ATOM 51 CG ARG D 447 13.843 77.219 158.864 1.00 61.29 ATOM 52 CD ARG D 447 12.844 77.660 157.794 1.00 63.12 ATOM 53 NE ARG D 447 12.147 76.532 157.172 1.00 63.65 ATOM 54 CZ ARG D 447 11.235 76.652 156.208 1.00 61.94 ATOM 55 NH1 ARG D 447 10.896 77.852 155.751 1.00 59.88 ATOM 56 NH2 ARG D 447 10.659 75.569 155.700 1.00 63.17 ATOM 57 N CYS D 448 17.633 77.665 160.863 1.00 41.63 ATOM 58 CA CYS D 448 18.829 76.858 160.632 1.00 40.24 ATOM 59 C CYS D 448 19.741 76.803 161.854 1.00 46.49 ATOM 60 O CYS D 448 20.513 77.731 162.107 1.00 45.11 ATOM 61 CB CYS D 448 19.611 77.411 159.442 1.00 38.44 ATOM 62 SG CYS D 448 18.704 77.368 157.887 1.00 46.67 ATOM 63 N ASN D 449 19.660 75.705 162.598 1.00 58.45 ATOM 64 CA ASN D 449 20.477 75.522 163.794 1.00 63.90 ATOM 65 C ASN D 449 20.237 76.610 164.827 1.00 63.39 ATOM 66 O ASN D 449 21.153 77.004 165.550 1.00 63.62 ATOM 67 CB ASN D 449 21.958 75.491 163.424 1.00 65.91 ATOM 68 CG ASN D 449 22.312 74.306 162.564 1.00 67.94 ATOM 69 OD1 ASN D 449 21.862 73.188 162.813 1.00 69.27 ATOM 70 ND2 ASN D 449 23.115 74.543 161.534 1.00 69.26 ATOM 71 N ASN D 450 19.004 77.099 164.886 1.00 73.99 ATOM 72 CA ASN D 450 18.634 78.119 165.858 1.00 77.03 ATOM 73 C ASN D 450 19.245 79.484 165.531 1.00 73.76 ATOM 74 O ASN D 450 19.087 80.441 166.291 1.00 76.62 ATOM 75 CB ASN D 450 19.055 77.679 167.262 1.00 80.13 ATOM 76 CG ASN D 450 18.464 78.551 168.347 1.00 81.88 ATOM 77 OD1 ASN D 450 17.402 78.249 168.885 1.00 84.48 ATOM 78 ND2 ASN D 450 19.150 79.642 168.674 1.00 82.78 ATOM 79 N GLY D 451 19.938 79.573 164.400 1.00 47.75 ATOM 80 CA GLY D 451 20.520 80.830 163.966 1.00 46.77 ATOM 81 C GLY D 451 21.967 80.743 163.510 1.00 46.08 ATOM 82 O GLY D 451 22.595 81.771 163.273 1.00 47.29 ATOM 83 N ASN D 452 22.498 79.529 163.378 1.00 47.44 ATOM 84 CA ASN D 452 23.903 79.343 163.010 1.00 51.84 ATOM 85 C ASN D 452 24.148 79.228 161.505 1.00 48.91 ATOM 86 O ASN D 452 25.284 79.344 161.045 1.00 52.12 ATOM 87 CB ASN D 452 24.471 78.105 163.710 1.00 56.61 ATOM 88 CG ASN D 452 24.780 78.352 165.174 1.00 59.32 ATOM 89 OD1 ASN D 452 25.924 78.611 165.541 1.00 60.58 ATOM 90 ND2 ASN D 452 23.757 78.279 166.018 1.00 59.81 ATOM 91 N GLY D 453 23.088 78.992 160.741 1.00 30.60 ATOM 92 CA GLY D 453 23.217 78.794 159.311 1.00 25.31 ATOM 93 C GLY D 453 22.490 79.846 158.502 1.00 23.64 ATOM 94 O GLY D 453 21.892 80.772 159.052 1.00 26.03 ATOM 95 N THR D 454 22.546 79.701 157.183 1.00 25.53 ATOM 96 CA THR D 454 21.864 80.614 156.283 1.00 26.57 ATOM 97 C THR D 454 20.754 79.885 155.524 1.00 27.32 ATOM 98 O THR D 454 20.959 78.794 154.986 1.00 27.62 ATOM 99 CB THR D 454 22.851 81.247 155.282 1.00 24.96 ATOM 100 OG1 THR D 454 23.697 82.180 155.968 1.00 26.24 ATOM 101 CG2 THR D 454 22.108 81.969 154.165 1.00 23.80 ATOM 102 N PHE D 455 19.575 80.493 155.488 1.00 29.20 ATOM 103 CA PHE D 455 18.449 79.935 154.750 1.00 31.42 ATOM 104 C PHE D 455 18.403 80.558 153.363 1.00 31.68 ATOM 105 O PHE D 455 18.086 81.739 153.216 1.00 32.96 ATOM 106 CB PHE D 455 17.139 80.203 155.496 1.00 33.62 ATOM 107 CG PHE D 455 15.952 79.454 154.943 1.00 34.92 ATOM 108 CD1 PHE D 455 15.937 78.069 154.919 1.00 34.35 ATOM 109 CD2 PHE D 455 14.843 80.136 154.471 1.00 38.47 ATOM 110 CE1 PHE D 455 14.845 77.379 154.420 1.00 35.91 ATOM 111 CE2 PHE D 455 13.744 79.450 153.973 1.00 38.21 ATOM 112 CZ PHE D 455 13.748 78.070 153.947 1.00 37.29 ATOM 113 N GLU D 456 18.740 79.769 152.349 1.00 34.43 ATOM 114 CA GLU D 456 18.712 80.254 150.974 1.00 37.30 ATOM 115 C GLU D 456 18.127 79.206 150.034 1.00 35.98 ATOM 116 O GLU D 456 18.482 78.027 150.089 1.00 30.90 ATOM 117 CB GLU D 456 20.119 80.642 150.500 1.00 34.59 ATOM 118 CG GLU D 456 20.842 79.539 149.741 1.00 35.82 ATOM 119 CD GLU D 456 22.209 79.964 149.227 1.00 38.95 ATOM 120 OE1 GLU D 456 22.625 81.111 149.501 1.00 37.34 ATOM 121 OE2 GLU D 456 22.870 79.146 148.548 1.00 36.87 ATOM 122 N CYS D 457 17.234 79.654 149.161 1.00 36.35 ATOM 123 CA CYS D 457 16.669 78.786 148.140 1.00 40.64 ATOM 124 C CYS D 457 16.077 77.518 148.755 1.00 40.23 ATOM 125 O CYS D 457 16.177 76.432 148.182 1.00 38.58 ATOM 126 CB CYS D 457 17.740 78.438 147.104 1.00 38.67 ATOM 127 SG CYS D 457 18.457 79.896 146.286 1.00 42.82 ATOM 128 N GLY D 458 15.475 77.668 149.932 1.00 36.21 ATOM 129 CA GLY D 458 14.689 76.606 150.533 1.00 35.26 ATOM 130 C GLY D 458 15.468 75.605 151.363 1.00 35.97 ATOM 131 O GLY D 458 14.895 74.639 151.856 1.00 39.20 ATOM 132 N VAL D 459 16.770 75.815 151.524 1.00 27.63 ATOM 133 CA VAL D 459 17.561 74.916 152.360 1.00 30.03 ATOM 134 C VAL D 459 18.515 75.678 153.276 1.00 30.29 ATOM 135 O VAL D 459 18.672 76.893 153.155 1.00 30.32 ATOM 136 CB VAL D 459 18.365 73.900 151.519 1.00 33.21 ATOM 137 CG1 VAL D 459 17.425 73.078 150.646 1.00 30.74 ATOM 138 CG2 VAL D 459 19.437 74.607 150.679 1.00 27.32 ATOM 139 N CYS D 460 19.145 74.948 154.191 1.00 40.06 ATOM 140 CA CYS D 460 20.037 75.544 155.171 1.00 43.53 ATOM 141 C CYS D 460 21.488 75.304 154.779 1.00 45.95 ATOM 142 O CYS D 460 21.915 74.158 154.644 1.00 47.50 ATOM 143 CB CYS D 460 19.774 74.955 156.560 1.00 46.36 ATOM 144 SG CYS D 460 18.206 75.464 157.323 1.00 47.14 ATOM 145 N ARG D 461 22.236 76.389 154.596 1.00 44.37 ATOM 146 CA ARG D 461 23.662 76.311 154.304 1.00 44.56 ATOM 147 C ARG D 461 24.442 76.748 155.537 1.00 48.57 ATOM 148 O ARG D 461 24.007 77.637 156.266 1.00 49.18 ATOM 149 CB ARG D 461 24.023 77.241 153.145 1.00 41.71 ATOM 150 CG ARG D 461 23.214 77.052 151.868 1.00 42.44 ATOM 151 CD ARG D 461 23.856 76.048 150.918 1.00 45.65 ATOM 152 NE ARG D 461 25.299 76.251 150.772 1.00 48.30 ATOM 153 CZ ARG D 461 25.870 77.056 149.878 1.00 46.43 ATOM 154 NH1 ARG D 461 25.131 77.756 149.024 1.00 44.03 ATOM 155 NH2 ARG D 461 27.193 77.159 149.838 1.00 45.14 ATOM 156 N CYS D 462 25.594 76.133 155.779 1.00 30.46 ATOM 157 CA CYS D 462 26.469 76.602 156.847 1.00 34.55 ATOM 158 C CYS D 462 26.914 78.024 156.530 1.00 33.08 ATOM 159 O CYS D 462 27.168 78.359 155.373 1.00 31.35 ATOM 160 CB CYS D 462 27.677 75.684 157.020 1.00 36.57 ATOM 161 SG CYS D 462 27.394 74.340 158.197 1.00 72.74 ATOM 162 N GLY D 463 26.976 78.862 157.558 1.00 29.29 ATOM 163 CA GLY D 463 27.337 80.256 157.387 1.00 29.67 ATOM 164 C GLY D 463 28.837 80.435 157.290 1.00 24.09 ATOM 165 O GLY D 463 29.597 79.483 157.469 1.00 19.97 ATOM 166 N PRO D 464 29.278 81.661 156.997 1.00 22.53 ATOM 167 CA PRO D 464 30.713 81.928 156.867 1.00 17.73 ATOM 168 C PRO D 464 31.455 81.659 158.167 1.00 21.68 ATOM 169 O PRO D 464 30.965 82.025 159.234 1.00 33.99 ATOM 170 CB PRO D 464 30.762 83.417 156.510 1.00 26.51 ATOM 171 CG PRO D 464 29.459 83.968 156.949 1.00 26.69 ATOM 172 CD PRO D 464 28.465 82.871 156.803 1.00 25.51 ATOM 173 N GLY D 465 32.609 81.007 158.083 1.00 20.81 ATOM 174 CA GLY D 465 33.439 80.793 159.255 1.00 21.45 ATOM 175 C GLY D 465 33.314 79.398 159.829 1.00 35.11 ATOM 176 O GLY D 465 34.087 79.008 160.707 1.00 27.67 ATOM 177 N TRP D 466 32.332 78.647 159.342 1.00 45.33 ATOM 178 CA TRP D 466 32.128 77.277 159.791 1.00 50.42 ATOM 179 C TRP D 466 32.825 76.313 158.844 1.00 63.03 ATOM 180 O TRP D 466 32.943 76.581 157.649 1.00 67.21 ATOM 181 CB TRP D 466 30.636 76.952 159.855 1.00 50.80 ATOM 182 CG TRP D 466 29.876 77.793 160.839 1.00 55.10 ATOM 183 CD1 TRP D 466 29.202 78.951 160.581 1.00 53.48 ATOM 184 CD2 TRP D 466 29.713 77.540 162.237 1.00 57.40 ATOM 185 NE1 TRP D 466 28.629 79.434 161.732 1.00 47.39 ATOM 186 CE2 TRP D 466 28.929 78.586 162.764 1.00 55.87 ATOM 187 CE3 TRP D 466 30.152 76.529 163.096 1.00 66.66 ATOM 188 CZ2 TRP D 466 28.577 78.651 164.110 1.00 67.52 ATOM 189 CZ3 TRP D 466 29.800 76.595 164.433 1.00 73.49 ATOM 190 CH2 TRP D 466 29.021 77.648 164.927 1.00 74.77 ATOM 191 N LEU D 467 33.294 75.194 159.385 1.00 75.85 ATOM 192 CA LEU D 467 33.911 74.155 158.571 1.00 84.08 ATOM 193 C LEU D 467 33.015 72.925 158.492 1.00 94.15 ATOM 194 O LEU D 467 32.346 72.566 159.463 1.00 94.01 ATOM 195 CB LEU D 467 35.277 73.770 159.137 1.00 77.32 ATOM 196 CG LEU D 467 36.409 74.756 158.851 1.00 67.19 ATOM 197 CD1 LEU D 467 37.669 74.356 159.608 1.00 63.42 ATOM 198 CD2 LEU D 467 36.673 74.845 157.354 1.00 54.59 ATOM 199 N GLY D 468 33.009 72.283 157.328 1.00102.74 ATOM 200 CA GLY D 468 32.200 71.099 157.112 1.00113.58 ATOM 201 C GLY D 468 30.928 71.420 156.353 1.00125.66 ATOM 202 O GLY D 468 30.485 72.568 156.323 1.00125.99 ATOM 203 N SER D 469 30.342 70.400 155.735 1.00136.12 ATOM 204 CA SER D 469 29.101 70.564 154.988 1.00141.87 ATOM 205 C SER D 469 27.894 70.465 155.916 1.00140.89 ATOM 206 O SER D 469 26.780 70.836 155.543 1.00140.63 ATOM 207 CB SER D 469 28.999 69.508 153.885 1.00145.06 ATOM 208 OG SER D 469 28.991 68.200 154.431 1.00146.29 ATOM 209 N GLN D 470 28.120 69.957 157.124 1.00137.76 ATOM 210 CA GLN D 470 27.059 69.843 158.118 1.00136.64 ATOM 211 C GLN D 470 27.490 70.416 159.466 1.00136.45 ATOM 212 O GLN D 470 26.718 70.407 160.424 1.00136.81 ATOM 213 CB GLN D 470 26.649 68.380 158.283 1.00137.32 ATOM 214 CG GLN D 470 26.189 67.720 156.994 1.00138.29 ATOM 215 CD GLN D 470 25.778 66.277 157.195 1.00138.96 ATOM 216 OE1 GLN D 470 25.621 65.816 158.326 1.00139.58 ATOM 217 NE2 GLN D 470 25.604 65.552 156.096 1.00138.31 ATOM 218 N CYS D 471 28.721 70.915 159.533 1.00134.52 ATOM 219 CA CYS D 471 29.251 71.486 160.766 1.00131.34 ATOM 220 C CYS D 471 29.156 70.486 161.912 1.00132.14 ATOM 221 O CYS D 471 28.229 70.540 162.720 1.00131.79 ATOM 222 CB CYS D 471 28.493 72.763 161.133 1.00129.64 ATOM 223 SG CYS D 471 28.530 74.040 159.855 1.00185.74 TER