HEADER CELL ADHESION/BLOOD CLOTTING 15-JUN-10 3NIG TITLE The Closed Headpiece of Integrin IIb 3 and its Complex with an IIb 3 TITLE 2 -Specific Antagonist That Does Not Induce Opening COMPND MOL_ID: 2; COMPND 2 MOLECULE: Integrin beta-3; COMPND 3 CHAIN: B, D; COMPND 4 FRAGMENT: Integrin beta-3, residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.25 ANGSTORMS DBREF 3NIG D 1 471 UNP P05106 ITB3_HUMAN 27 497 MODRES 3NIG ASN D 99 ASN GLYCOSYLATION SITE MODRES 3NIG ASN D 371 ASN GLYCOSYLATION SITE MODRES 3NIG 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 18.513 85.700 149.964 1.00 69.59 ATOM 2 CA ALA D 441 19.106 84.873 151.007 1.00 65.03 ATOM 3 C ALA D 441 18.951 85.538 152.365 1.00 70.90 ATOM 4 O ALA D 441 19.002 86.764 152.479 1.00 78.60 ATOM 5 CB ALA D 441 20.585 84.625 150.719 1.00 58.05 ATOM 6 N GLU D 442 18.791 84.722 153.399 1.00 65.38 ATOM 7 CA GLU D 442 18.643 85.230 154.754 1.00 62.94 ATOM 8 C GLU D 442 19.771 84.708 155.654 1.00 50.19 ATOM 9 O GLU D 442 19.771 83.547 156.047 1.00 52.44 ATOM 10 CB GLU D 442 17.269 84.842 155.307 1.00 63.78 ATOM 11 CG GLU D 442 16.983 85.412 156.683 1.00 82.56 ATOM 12 CD GLU D 442 15.634 84.977 157.253 1.00 90.75 ATOM 13 OE1 GLU D 442 14.910 84.174 156.604 1.00 75.75 ATOM 14 OE2 GLU D 442 15.309 85.449 158.368 1.00 92.46 ATOM 15 N PRO D 443 20.750 85.569 155.973 1.00 50.67 ATOM 16 CA PRO D 443 21.855 85.187 156.868 1.00 47.87 ATOM 17 C PRO D 443 21.389 85.002 158.307 1.00 51.12 ATOM 18 O PRO D 443 20.372 85.583 158.681 1.00 51.03 ATOM 19 CB PRO D 443 22.809 86.384 156.788 1.00 58.08 ATOM 20 CG PRO D 443 22.385 87.153 155.573 1.00 67.45 ATOM 21 CD PRO D 443 20.916 86.931 155.442 1.00 51.51 ATOM 22 N ASN D 444 22.120 84.217 159.097 1.00 51.59 ATOM 23 CA ASN D 444 21.795 84.032 160.512 1.00 55.18 ATOM 24 C ASN D 444 20.317 83.718 160.721 1.00 54.55 ATOM 25 O ASN D 444 19.674 84.237 161.640 1.00 53.92 ATOM 26 CB ASN D 444 22.186 85.275 161.303 1.00 49.68 ATOM 27 CG ASN D 444 23.645 85.638 161.108 1.00 60.81 ATOM 28 OD1 ASN D 444 24.532 84.788 161.239 1.00 47.09 ATOM 29 ND2 ASN D 444 23.901 86.898 160.772 1.00 57.30 ATOM 30 N SER D 445 19.794 82.863 159.849 1.00 51.69 ATOM 31 CA SER D 445 18.378 82.533 159.827 1.00 58.13 ATOM 32 C SER D 445 17.999 81.703 161.042 1.00 50.50 ATOM 33 O SER D 445 18.678 80.740 161.372 1.00 57.37 ATOM 34 CB SER D 445 18.048 81.762 158.547 1.00 56.98 ATOM 35 OG SER D 445 16.650 81.578 158.410 1.00 51.73 ATOM 36 N HIS D 446 16.918 82.090 161.710 1.00 61.14 ATOM 37 CA HIS D 446 16.333 81.284 162.786 1.00 66.65 ATOM 38 C HIS D 446 15.960 79.888 162.268 1.00 64.66 ATOM 39 O HIS D 446 15.752 78.959 163.042 1.00 59.00 ATOM 40 CB HIS D 446 15.067 81.957 163.301 1.00 75.74 ATOM 41 CG HIS D 446 13.880 81.749 162.410 1.00 91.98 ATOM 42 ND1 HIS D 446 12.823 80.934 162.755 1.00 94.13 ATOM 43 CD2 HIS D 446 13.599 82.224 161.172 1.00 93.57 ATOM 44 CE1 HIS D 446 11.934 80.930 161.776 1.00 90.41 ATOM 45 NE2 HIS D 446 12.380 81.706 160.804 1.00 90.08 ATOM 46 N ARG D 447 15.866 79.752 160.950 1.00 63.73 ATOM 47 CA ARG D 447 15.454 78.503 160.327 1.00 66.27 ATOM 48 C ARG D 447 16.611 77.494 160.202 1.00 63.66 ATOM 49 O ARG D 447 16.396 76.324 159.866 1.00 64.46 ATOM 50 CB ARG D 447 14.868 78.821 158.949 1.00 74.80 ATOM 51 CG ARG D 447 13.809 77.869 158.471 1.00 95.93 ATOM 52 CD ARG D 447 12.883 78.572 157.501 1.00111.31 ATOM 53 NE ARG D 447 12.050 77.636 156.751 1.00117.11 ATOM 54 CZ ARG D 447 11.134 78.008 155.863 1.00121.17 ATOM 55 NH1 ARG D 447 10.932 79.298 155.629 1.00128.69 ATOM 56 NH2 ARG D 447 10.420 77.094 155.213 1.00116.71 ATOM 57 N CYS D 448 17.833 77.945 160.482 1.00 54.44 ATOM 58 CA CYS D 448 19.031 77.141 160.233 1.00 55.42 ATOM 59 C CYS D 448 19.948 77.045 161.450 1.00 69.85 ATOM 60 O CYS D 448 20.746 77.950 161.688 1.00 78.68 ATOM 61 CB CYS D 448 19.823 77.764 159.086 1.00 52.08 ATOM 62 SG CYS D 448 18.899 77.858 157.555 1.00 69.37 ATOM 63 N ASN D 449 19.858 75.946 162.199 1.00 81.65 ATOM 64 CA ASN D 449 20.655 75.775 163.416 1.00 89.05 ATOM 65 C ASN D 449 20.407 76.916 164.388 1.00 93.91 ATOM 66 O ASN D 449 21.326 77.385 165.061 1.00 87.33 ATOM 67 CB ASN D 449 22.148 75.719 163.091 1.00 83.98 ATOM 68 CG ASN D 449 22.627 74.324 162.740 1.00 91.60 ATOM 69 OD1 ASN D 449 23.720 73.923 163.144 1.00101.03 ATOM 70 ND2 ASN D 449 21.827 73.582 161.978 1.00 84.45 ATOM 71 N ASN D 450 19.162 77.375 164.438 1.00 92.26 ATOM 72 CA ASN D 450 18.777 78.477 165.315 1.00101.87 ATOM 73 C ASN D 450 19.581 79.770 165.109 1.00 95.70 ATOM 74 O ASN D 450 19.644 80.618 166.000 1.00 98.69 ATOM 75 CB ASN D 450 18.887 78.047 166.776 1.00108.05 ATOM 76 CG ASN D 450 18.181 79.002 167.708 1.00113.74 ATOM 77 OD1 ASN D 450 17.082 79.474 167.410 1.00112.12 ATOM 78 ND2 ASN D 450 18.810 79.303 168.840 1.00113.57 ATOM 79 N GLY D 451 20.190 79.919 163.938 1.00 88.02 ATOM 80 CA GLY D 451 20.873 81.150 163.589 1.00 88.11 ATOM 81 C GLY D 451 22.309 80.971 163.141 1.00 84.26 ATOM 82 O GLY D 451 23.013 81.960 162.931 1.00 99.57 ATOM 83 N ASN D 452 22.754 79.726 162.993 1.00 75.64 ATOM 84 CA ASN D 452 24.129 79.464 162.560 1.00 77.58 ATOM 85 C ASN D 452 24.276 79.468 161.035 1.00 69.20 ATOM 86 O ASN D 452 25.352 79.737 160.512 1.00 64.41 ATOM 87 CB ASN D 452 24.649 78.134 163.137 1.00 84.92 ATOM 88 CG ASN D 452 24.997 78.215 164.639 1.00 92.40 ATOM 89 OD1 ASN D 452 25.387 77.212 165.246 1.00 89.97 ATOM 90 ND2 ASN D 452 24.861 79.401 165.234 1.00 89.24 ATOM 91 N GLY D 453 23.198 79.174 160.319 1.00 62.29 ATOM 92 CA GLY D 453 23.276 79.080 158.871 1.00 55.43 ATOM 93 C GLY D 453 22.548 80.190 158.130 1.00 52.11 ATOM 94 O GLY D 453 21.892 81.051 158.711 1.00 50.55 ATOM 95 N THR D 454 22.687 80.152 156.817 1.00 40.98 ATOM 96 CA THR D 454 21.990 81.036 155.911 1.00 49.67 ATOM 97 C THR D 454 20.878 80.228 155.239 1.00 62.35 ATOM 98 O THR D 454 21.106 79.105 154.772 1.00 46.31 ATOM 99 CB THR D 454 22.964 81.568 154.826 1.00 53.78 ATOM 100 OG1 THR D 454 23.985 82.373 155.447 1.00 48.37 ATOM 101 CG2 THR D 454 22.226 82.374 153.752 1.00 37.79 ATOM 102 N PHE D 455 19.673 80.790 155.211 1.00 65.97 ATOM 103 CA PHE D 455 18.566 80.186 154.480 1.00 63.63 ATOM 104 C PHE D 455 18.536 80.773 153.077 1.00 53.33 ATOM 105 O PHE D 455 18.248 81.949 152.892 1.00 56.12 ATOM 106 CB PHE D 455 17.240 80.440 155.204 1.00 71.23 ATOM 107 CG PHE D 455 16.067 79.722 154.597 1.00 71.05 ATOM 108 CD1 PHE D 455 16.043 78.335 154.535 1.00 66.94 ATOM 109 CD2 PHE D 455 14.984 80.428 154.106 1.00 80.70 ATOM 110 CE1 PHE D 455 14.967 77.669 153.978 1.00 61.57 ATOM 111 CE2 PHE D 455 13.902 79.769 153.555 1.00 81.81 ATOM 112 CZ PHE D 455 13.895 78.388 153.489 1.00 70.43 ATOM 113 N GLU D 456 18.843 79.945 152.088 1.00 47.65 ATOM 114 CA GLU D 456 18.935 80.400 150.710 1.00 52.58 ATOM 115 C GLU D 456 18.338 79.376 149.770 1.00 55.64 ATOM 116 O GLU D 456 18.699 78.197 149.807 1.00 50.99 ATOM 117 CB GLU D 456 20.394 80.627 150.336 1.00 54.15 ATOM 118 CG GLU D 456 20.696 80.586 148.845 1.00 59.80 ATOM 119 CD GLU D 456 22.181 80.409 148.586 1.00 69.47 ATOM 120 OE1 GLU D 456 22.978 81.133 149.214 1.00 69.33 ATOM 121 OE2 GLU D 456 22.554 79.543 147.767 1.00 81.27 ATOM 122 N CYS D 457 17.442 79.845 148.909 1.00 47.61 ATOM 123 CA CYS D 457 16.843 79.003 147.887 1.00 58.81 ATOM 124 C CYS D 457 16.225 77.740 148.475 1.00 57.70 ATOM 125 O CYS D 457 16.340 76.664 147.893 1.00 58.73 ATOM 126 CB CYS D 457 17.895 78.653 146.842 1.00 62.49 ATOM 127 SG CYS D 457 18.635 80.129 146.089 1.00 64.06 ATOM 128 N GLY D 458 15.592 77.879 149.640 1.00 53.19 ATOM 129 CA GLY D 458 14.811 76.797 150.233 1.00 62.65 ATOM 130 C GLY D 458 15.570 75.799 151.095 1.00 66.63 ATOM 131 O GLY D 458 14.960 74.914 151.698 1.00 61.66 ATOM 132 N VAL D 459 16.895 75.920 151.151 1.00 63.47 ATOM 133 CA VAL D 459 17.703 75.026 151.981 1.00 53.12 ATOM 134 C VAL D 459 18.668 75.804 152.863 1.00 63.06 ATOM 135 O VAL D 459 18.885 76.995 152.654 1.00 61.01 ATOM 136 CB VAL D 459 18.509 74.016 151.131 1.00 47.76 ATOM 137 CG1 VAL D 459 17.561 73.109 150.346 1.00 48.44 ATOM 138 CG2 VAL D 459 19.501 74.732 150.185 1.00 51.72 ATOM 139 N CYS D 460 19.248 75.120 153.844 1.00 60.21 ATOM 140 CA CYS D 460 20.195 75.742 154.766 1.00 54.59 ATOM 141 C CYS D 460 21.635 75.515 154.304 1.00 70.22 ATOM 142 O CYS D 460 22.016 74.397 153.944 1.00 70.45 ATOM 143 CB CYS D 460 19.970 75.213 156.193 1.00 54.70 ATOM 144 SG CYS D 460 18.487 75.921 156.997 1.00 85.88 ATOM 145 N ARG D 461 22.413 76.595 154.284 1.00 71.09 ATOM 146 CA ARG D 461 23.818 76.564 153.884 1.00 63.73 ATOM 147 C ARG D 461 24.655 77.004 155.081 1.00 62.31 ATOM 148 O ARG D 461 24.244 77.876 155.824 1.00 59.83 ATOM 149 CB ARG D 461 24.065 77.537 152.729 1.00 54.44 ATOM 150 CG ARG D 461 23.311 77.233 151.439 1.00 59.94 ATOM 151 CD ARG D 461 24.070 76.262 150.552 1.00 67.76 ATOM 152 NE ARG D 461 25.454 76.683 150.320 1.00 72.65 ATOM 153 CZ ARG D 461 25.849 77.497 149.344 1.00 76.84 ATOM 154 NH1 ARG D 461 24.976 77.998 148.480 1.00 86.86 ATOM 155 NH2 ARG D 461 27.129 77.809 149.229 1.00 83.90 ATOM 156 N CYS D 462 25.824 76.410 155.273 1.00 52.98 ATOM 157 CA CYS D 462 26.733 76.860 156.335 1.00 67.12 ATOM 158 C CYS D 462 27.095 78.329 156.109 1.00 62.97 ATOM 159 O CYS D 462 27.253 78.765 154.971 1.00 55.79 ATOM 160 CB CYS D 462 27.998 75.997 156.393 1.00 59.49 ATOM 161 SG CYS D 462 27.886 74.592 157.546 1.00119.40 ATOM 162 N GLY D 463 27.190 79.093 157.192 1.00 51.06 ATOM 163 CA GLY D 463 27.486 80.508 157.101 1.00 53.71 ATOM 164 C GLY D 463 28.982 80.745 156.981 1.00 48.62 ATOM 165 O GLY D 463 29.778 79.802 157.066 1.00 37.54 ATOM 166 N PRO D 464 29.374 82.006 156.778 1.00 47.77 ATOM 167 CA PRO D 464 30.784 82.384 156.625 1.00 41.92 ATOM 168 C PRO D 464 31.613 81.988 157.832 1.00 39.26 ATOM 169 O PRO D 464 31.184 82.207 158.964 1.00 50.20 ATOM 170 CB PRO D 464 30.726 83.904 156.519 1.00 49.44 ATOM 171 CG PRO D 464 29.336 84.218 156.091 1.00 52.95 ATOM 172 CD PRO D 464 28.472 83.165 156.685 1.00 52.48 ATOM 173 N GLY D 465 32.781 81.404 157.598 1.00 45.05 ATOM 174 CA GLY D 465 33.711 81.127 158.677 1.00 53.27 ATOM 175 C GLY D 465 33.470 79.838 159.435 1.00 57.83 ATOM 176 O GLY D 465 34.097 79.597 160.472 1.00 46.38 ATOM 177 N TRP D 466 32.551 79.017 158.938 1.00 68.55 ATOM 178 CA TRP D 466 32.368 77.669 159.458 1.00 81.48 ATOM 179 C TRP D 466 33.102 76.688 158.551 1.00 96.17 ATOM 180 O TRP D 466 33.374 76.991 157.385 1.00 95.99 ATOM 181 CB TRP D 466 30.885 77.315 159.515 1.00 92.78 ATOM 182 CG TRP D 466 30.086 78.182 160.446 1.00102.00 ATOM 183 CD1 TRP D 466 29.536 79.398 160.164 1.00107.46 ATOM 184 CD2 TRP D 466 29.739 77.893 161.803 1.00 99.20 ATOM 185 NE1 TRP D 466 28.873 79.886 161.262 1.00107.00 ATOM 186 CE2 TRP D 466 28.983 78.981 162.283 1.00104.00 ATOM 187 CE3 TRP D 466 29.997 76.820 162.661 1.00102.40 ATOM 188 CZ2 TRP D 466 28.483 79.029 163.580 1.00110.70 ATOM 189 CZ3 TRP D 466 29.499 76.868 163.950 1.00111.17 ATOM 190 CH2 TRP D 466 28.750 77.966 164.397 1.00115.09 ATOM 191 N LEU D 467 33.429 75.517 159.087 1.00104.25 ATOM 192 CA LEU D 467 34.102 74.482 158.311 1.00109.82 ATOM 193 C LEU D 467 33.282 73.201 158.287 1.00116.62 ATOM 194 O LEU D 467 32.462 72.960 159.173 1.00114.01 ATOM 195 CB LEU D 467 35.484 74.187 158.892 1.00108.28 ATOM 196 CG LEU D 467 36.600 75.189 158.594 1.00 96.57 ATOM 197 CD1 LEU D 467 37.875 74.770 159.319 1.00 90.21 ATOM 198 CD2 LEU D 467 36.838 75.319 157.095 1.00 84.62 ATOM 199 N GLY D 468 33.518 72.376 157.274 1.00125.69 ATOM 200 CA GLY D 468 32.829 71.106 157.149 1.00135.96 ATOM 201 C GLY D 468 31.549 71.246 156.352 1.00147.31 ATOM 202 O GLY D 468 30.957 72.326 156.300 1.00148.15 ATOM 203 N SER D 469 31.122 70.151 155.729 1.00155.64 ATOM 204 CA SER D 469 29.911 70.151 154.914 1.00160.09 ATOM 205 C SER D 469 28.690 70.486 155.766 1.00160.48 ATOM 206 O SER D 469 27.968 71.443 155.483 1.00159.64 ATOM 207 CB SER D 469 29.723 68.791 154.233 1.00159.63 ATOM 208 OG SER D 469 29.521 67.759 155.184 1.00158.28 ATOM 209 N GLN D 470 28.468 69.693 156.809 1.00158.47 ATOM 210 CA GLN D 470 27.372 69.938 157.735 1.00156.56 ATOM 211 C GLN D 470 27.921 70.478 159.052 1.00154.27 ATOM 212 O GLN D 470 27.269 70.389 160.092 1.00154.47 ATOM 213 CB GLN D 470 26.580 68.653 157.970 1.00157.04 ATOM 214 CG GLN D 470 26.107 67.987 156.686 1.00156.51 ATOM 215 CD GLN D 470 25.341 66.708 156.942 1.00155.72 ATOM 216 OE1 GLN D 470 25.293 66.216 158.069 1.00154.01 ATOM 217 NE2 GLN D 470 24.735 66.160 155.895 1.00155.49 ATOM 218 N CYS D 471 29.128 71.034 158.991 1.00150.91 ATOM 219 CA CYS D 471 29.766 71.640 160.153 1.00146.19 ATOM 220 C CYS D 471 29.994 70.613 161.254 1.00147.20 ATOM 221 O CYS D 471 29.072 70.265 161.991 1.00149.05 ATOM 222 CB CYS D 471 28.913 72.796 160.676 1.00143.62 ATOM 223 SG CYS D 471 28.472 74.012 159.406 1.00185.23 TER