HEADER MEMBRANE PROTEIN 31-DEC-69 7PEE TITLE Crystal structure of extracellular part of human Trop2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Tumor-associated calcium signal transducer 2; COMPND 3 CHAIN: A, B, C, D; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.81 ANGSTORMS DBREF 7PEE A 31 274 UNP P09758 TACD2_HUMAN 31 274 SEQRES 1 A 38 ASP ASN CYS THR CYS PRO THR ASN LYS MET THR VAL CYS SEQRES 2 A 38 SER PRO ASP GLY PRO GLY GLY ARG CYS GLN CYS ARG ALA SEQRES 3 A 38 LEU GLY SER GLY MET ALA VAL ASP CYS SER THR LEU ATOM 1 N ASP A 32 0.263 80.370 -34.140 1.00102.22 ATOM 2 CA ASP A 32 -1.078 80.011 -34.603 1.00100.52 ATOM 3 C ASP A 32 -2.104 80.025 -33.461 1.00100.72 ATOM 4 O ASP A 32 -1.824 79.581 -32.340 1.00 94.09 ATOM 5 CB ASP A 32 -1.057 78.626 -35.281 1.00 96.82 ATOM 6 CG ASP A 32 -2.328 78.336 -36.106 1.00101.09 ATOM 7 OD1 ASP A 32 -3.240 79.195 -36.148 1.00 96.76 ATOM 8 OD2 ASP A 32 -2.412 77.244 -36.723 1.00 91.58 ATOM 9 N ASN A 33 -3.292 80.556 -33.766 1.00 98.50 ATOM 10 CA ASN A 33 -4.454 80.357 -32.905 1.00 95.34 ATOM 11 C ASN A 33 -4.787 78.872 -32.803 1.00 88.66 ATOM 12 O ASN A 33 -5.258 78.404 -31.759 1.00 85.71 ATOM 13 CB ASN A 33 -5.627 81.174 -33.479 1.00100.96 ATOM 14 CG ASN A 33 -6.920 81.094 -32.650 1.00104.71 ATOM 15 OD1 ASN A 33 -7.242 80.080 -32.026 1.00 98.00 ATOM 16 ND2 ASN A 33 -7.677 82.191 -32.664 1.00 95.73 ATOM 17 N CYS A 34 -4.501 78.122 -33.881 1.00 85.29 ATOM 18 CA CYS A 34 -4.863 76.681 -33.984 1.00 72.05 ATOM 19 C CYS A 34 -3.732 75.799 -33.475 1.00 66.02 ATOM 20 O CYS A 34 -2.795 75.549 -34.222 1.00 68.85 ATOM 21 CB CYS A 34 -5.196 76.360 -35.435 1.00 58.10 ATOM 22 SG CYS A 34 -5.701 74.670 -35.818 1.00 63.31 ATOM 23 N THR A 35 -3.843 75.354 -32.235 1.00 62.16 ATOM 24 CA THR A 35 -2.824 74.467 -31.643 1.00 61.91 ATOM 25 C THR A 35 -3.519 73.345 -30.897 1.00 60.06 ATOM 26 O THR A 35 -4.734 73.367 -30.786 1.00 60.28 ATOM 27 CB THR A 35 -1.887 75.200 -30.677 1.00 55.35 ATOM 28 OG1 THR A 35 -2.652 75.717 -29.591 1.00 64.43 ATOM 29 CG2 THR A 35 -1.102 76.315 -31.330 1.00 53.32 ATOM 30 N CYS A 36 -2.749 72.400 -30.420 1.00 57.66 ATOM 31 CA CYS A 36 -3.256 71.266 -29.652 1.00 53.89 ATOM 32 C CYS A 36 -2.462 71.205 -28.354 1.00 51.91 ATOM 33 O CYS A 36 -1.488 70.448 -28.246 1.00 52.89 ATOM 34 CB CYS A 36 -3.160 69.970 -30.449 1.00 44.97 ATOM 35 SG CYS A 36 -3.996 68.612 -29.657 1.00 42.87 ATOM 36 N PRO A 37 -2.850 71.992 -27.350 1.00 56.11 ATOM 37 CA PRO A 37 -1.947 72.233 -26.213 1.00 55.93 ATOM 38 C PRO A 37 -1.493 70.977 -25.485 1.00 55.28 ATOM 39 O PRO A 37 -0.333 70.917 -25.061 1.00 58.31 ATOM 40 CB PRO A 37 -2.799 73.115 -25.288 1.00 46.67 ATOM 41 CG PRO A 37 -3.825 73.713 -26.156 1.00 50.73 ATOM 42 CD PRO A 37 -4.136 72.685 -27.188 1.00 58.17 ATOM 43 N THR A 38 -2.346 69.965 -25.360 1.00 47.90 ATOM 44 CA THR A 38 -1.984 68.755 -24.632 1.00 45.66 ATOM 45 C THR A 38 -1.248 67.728 -25.489 1.00 49.21 ATOM 46 O THR A 38 -0.842 66.688 -24.959 1.00 48.71 ATOM 47 CB THR A 38 -3.227 68.098 -24.006 1.00 45.01 ATOM 48 OG1 THR A 38 -4.058 67.535 -25.026 1.00 43.85 ATOM 49 CG2 THR A 38 -4.031 69.105 -23.219 1.00 46.32 ATOM 50 N ASN A 39 -1.067 67.978 -26.791 1.00 44.58 ATOM 51 CA ASN A 39 -0.453 66.972 -27.660 1.00 43.30 ATOM 52 C ASN A 39 0.118 67.672 -28.894 1.00 47.81 ATOM 53 O ASN A 39 -0.625 67.963 -29.834 1.00 52.82 ATOM 54 CB ASN A 39 -1.469 65.908 -28.045 1.00 37.57 ATOM 55 CG ASN A 39 -0.886 64.829 -28.953 1.00 43.73 ATOM 56 OD1 ASN A 39 0.235 64.945 -29.455 1.00 40.57 ATOM 57 ND2 ASN A 39 -1.662 63.772 -29.176 1.00 41.99 ATOM 58 N LYS A 40 1.434 67.900 -28.899 1.00 47.00 ATOM 59 CA LYS A 40 2.056 68.472 -30.087 1.00 49.37 ATOM 60 C LYS A 40 2.363 67.429 -31.149 1.00 47.12 ATOM 61 O LYS A 40 2.817 67.797 -32.239 1.00 46.52 ATOM 62 CB LYS A 40 3.349 69.207 -29.747 1.00 51.03 ATOM 63 CG LYS A 40 4.321 68.414 -28.920 1.00 54.30 ATOM 64 CD LYS A 40 5.739 68.522 -29.454 1.00 61.92 ATOM 65 CE LYS A 40 6.683 67.908 -28.433 1.00 78.28 ATOM 66 NZ LYS A 40 8.083 67.567 -28.831 1.00 85.50 ATOM 67 N MET A 41 2.157 66.143 -30.859 1.00 45.49 ATOM 68 CA MET A 41 2.356 65.107 -31.869 1.00 51.47 ATOM 69 C MET A 41 1.129 65.046 -32.776 1.00 49.60 ATOM 70 O MET A 41 0.553 63.977 -33.015 1.00 44.77 ATOM 71 CB MET A 41 2.627 63.749 -31.216 1.00 50.00 ATOM 72 CG MET A 41 3.946 63.627 -30.438 1.00 57.12 ATOM 73 SD MET A 41 5.371 64.400 -31.222 1.00 71.52 ATOM 74 CE MET A 41 5.994 63.025 -32.188 1.00 75.27 ATOM 75 N THR A 42 0.729 66.203 -33.286 1.00 47.37 ATOM 76 CA THR A 42 -0.485 66.349 -34.067 1.00 49.42 ATOM 77 C THR A 42 -0.224 67.356 -35.170 1.00 48.76 ATOM 78 O THR A 42 0.723 68.142 -35.111 1.00 48.32 ATOM 79 CB THR A 42 -1.663 66.847 -33.220 1.00 47.81 ATOM 80 OG1 THR A 42 -1.292 68.074 -32.578 1.00 48.68 ATOM 81 CG2 THR A 42 -2.070 65.820 -32.163 1.00 44.79 ATOM 82 N VAL A 43 -1.080 67.335 -36.179 1.00 46.82 ATOM 83 CA VAL A 43 -1.128 68.421 -37.148 1.00 47.22 ATOM 84 C VAL A 43 -2.488 69.092 -37.028 1.00 44.67 ATOM 85 O VAL A 43 -3.518 68.414 -36.918 1.00 41.62 ATOM 86 CB VAL A 43 -0.838 67.931 -38.578 1.00 44.00 ATOM 87 CG1 VAL A 43 -1.902 66.979 -39.048 1.00 48.02 ATOM 88 CG2 VAL A 43 -0.690 69.116 -39.517 1.00 41.79 ATOM 89 N CYS A 44 -2.453 70.404 -36.897 1.00 48.38 ATOM 90 CA CYS A 44 -3.679 71.171 -36.642 1.00 51.61 ATOM 91 C CYS A 44 -3.762 72.276 -37.683 1.00 53.30 ATOM 92 O CYS A 44 -2.773 72.966 -37.885 1.00 52.48 ATOM 93 CB CYS A 44 -3.604 71.757 -35.241 1.00 43.85 ATOM 94 SG CYS A 44 -3.717 70.545 -33.915 1.00 51.01 ATOM 95 N SER A 45 -4.910 72.407 -38.330 1.00 54.95 ATOM 96 CA SER A 45 -5.093 73.425 -39.387 1.00 50.09 ATOM 97 C SER A 45 -6.417 74.133 -39.174 1.00 47.42 ATOM 98 O SER A 45 -7.370 73.488 -38.790 1.00 49.41 ATOM 99 CB SER A 45 -5.008 72.810 -40.734 1.00 43.22 ATOM 100 OG SER A 45 -3.695 72.367 -41.013 1.00 64.93 ATOM 101 N PRO A 46 -6.472 75.454 -39.375 1.00 46.71 ATOM 102 CA PRO A 46 -7.718 76.184 -39.258 1.00 42.74 ATOM 103 C PRO A 46 -8.582 76.040 -40.510 1.00 44.57 ATOM 104 O PRO A 46 -8.936 77.022 -41.064 1.00 47.42 ATOM 105 CB PRO A 46 -7.135 77.580 -39.120 1.00 38.54 ATOM 106 CG PRO A 46 -5.944 77.599 -40.017 1.00 46.72 ATOM 107 CD PRO A 46 -5.313 76.267 -39.723 1.00 47.23 ATOM 108 N ASP A 47 -8.954 74.822 -40.868 1.00 40.41 ATOM 109 CA ASP A 47 -9.646 74.570 -42.122 1.00 41.50 ATOM 110 C ASP A 47 -11.002 73.903 -41.919 1.00 42.42 ATOM 111 O ASP A 47 -11.554 73.332 -42.859 1.00 44.95 ATOM 112 CB ASP A 47 -8.769 73.737 -43.053 1.00 40.39 ATOM 113 CG ASP A 47 -8.426 72.389 -42.478 1.00 46.82 ATOM 114 OD1 ASP A 47 -8.690 72.172 -41.278 1.00 46.70 ATOM 115 OD2 ASP A 47 -7.902 71.539 -43.232 1.00 49.87 ATOM 116 N GLY A 48 -11.544 73.944 -40.711 1.00 48.81 ATOM 117 CA GLY A 48 -12.907 73.518 -40.504 1.00 45.27 ATOM 118 C GLY A 48 -13.886 74.615 -40.858 1.00 43.88 ATOM 119 O GLY A 48 -13.512 75.714 -41.298 1.00 41.77 ATOM 120 N PRO A 49 -15.173 74.330 -40.664 1.00 44.33 ATOM 121 CA PRO A 49 -16.187 75.366 -40.888 1.00 36.49 ATOM 122 C PRO A 49 -15.845 76.618 -40.102 1.00 38.40 ATOM 123 O PRO A 49 -15.557 76.563 -38.905 1.00 46.97 ATOM 124 CB PRO A 49 -17.472 74.714 -40.371 1.00 36.11 ATOM 125 CG PRO A 49 -17.250 73.249 -40.579 1.00 37.73 ATOM 126 CD PRO A 49 -15.775 73.015 -40.370 1.00 44.82 ATOM 127 N GLY A 50 -15.841 77.753 -40.793 1.00 36.50 ATOM 128 CA GLY A 50 -15.534 79.003 -40.135 1.00 38.93 ATOM 129 C GLY A 50 -14.094 79.156 -39.705 1.00 38.95 ATOM 130 O GLY A 50 -13.774 80.119 -39.003 1.00 39.06 ATOM 131 N GLY A 51 -13.244 78.179 -39.966 1.00 38.04 ATOM 132 CA GLY A 51 -11.862 78.282 -39.473 1.00 40.76 ATOM 133 C GLY A 51 -11.598 77.513 -38.203 1.00 45.57 ATOM 134 O GLY A 51 -10.590 77.780 -37.566 1.00 41.71 ATOM 135 N ARG A 52 -12.461 76.574 -37.878 1.00 42.71 ATOM 136 CA ARG A 52 -12.315 75.736 -36.683 1.00 40.17 ATOM 137 C ARG A 52 -10.991 75.001 -36.754 1.00 45.35 ATOM 138 O ARG A 52 -10.662 74.471 -37.802 1.00 50.68 ATOM 139 CB ARG A 52 -13.490 74.762 -36.633 1.00 42.91 ATOM 140 CG ARG A 52 -13.495 73.772 -35.484 1.00 43.45 ATOM 141 CD ARG A 52 -14.457 72.678 -35.885 1.00 42.95 ATOM 142 NE ARG A 52 -15.803 73.184 -36.078 1.00 52.10 ATOM 143 CZ ARG A 52 -16.804 72.470 -36.566 1.00 49.67 ATOM 144 NH1 ARG A 52 -16.606 71.220 -36.934 1.00 41.34 ATOM 145 NH2 ARG A 52 -17.998 73.010 -36.696 1.00 44.40 ATOM 146 N CYS A 53 -10.291 74.970 -35.640 1.00 45.13 ATOM 147 CA CYS A 53 -9.017 74.255 -35.597 1.00 50.42 ATOM 148 C CYS A 53 -9.348 72.780 -35.652 1.00 48.61 ATOM 149 O CYS A 53 -10.003 72.292 -34.747 1.00 49.49 ATOM 150 CB CYS A 53 -8.256 74.650 -34.345 1.00 46.90 ATOM 151 SG CYS A 53 -6.603 73.952 -34.204 1.00 64.58 ATOM 152 N GLN A 54 -8.950 72.139 -36.734 1.00 45.33 ATOM 153 CA GLN A 54 -9.142 70.688 -36.874 1.00 46.05 ATOM 154 C GLN A 54 -7.774 70.043 -36.686 1.00 46.47 ATOM 155 O GLN A 54 -6.847 70.446 -37.364 1.00 42.48 ATOM 156 CB GLN A 54 -9.811 70.391 -38.210 1.00 42.19 ATOM 157 CG GLN A 54 -11.271 70.794 -38.279 1.00 46.92 ATOM 158 CD GLN A 54 -11.894 70.399 -39.593 1.00 53.73 ATOM 159 OE1 GLN A 54 -13.054 70.016 -39.657 1.00 50.36 ATOM 160 NE2 GLN A 54 -11.121 70.489 -40.659 1.00 43.29 ATOM 161 N CYS A 55 -7.684 69.076 -35.777 1.00 46.70 ATOM 162 CA CYS A 55 -6.389 68.456 -35.429 1.00 44.47 ATOM 163 C CYS A 55 -6.450 66.950 -35.617 1.00 41.42 ATOM 164 O CYS A 55 -7.518 66.393 -35.433 1.00 48.43 ATOM 165 CB CYS A 55 -6.034 68.743 -33.976 1.00 41.14 ATOM 166 SG CYS A 55 -5.677 70.468 -33.583 1.00 51.95 ATOM 167 N ARG A 56 -5.331 66.342 -35.994 1.00 40.88 ATOM 168 CA ARG A 56 -5.273 64.891 -36.092 1.00 40.84 ATOM 169 C ARG A 56 -3.919 64.386 -35.602 1.00 47.55 ATOM 170 O ARG A 56 -2.887 65.053 -35.757 1.00 44.92 ATOM 171 CB ARG A 56 -5.556 64.405 -37.520 1.00 41.54 ATOM 172 CG ARG A 56 -4.449 64.630 -38.516 1.00 49.33 ATOM 173 CD ARG A 56 -4.888 64.241 -39.933 1.00 54.49 ATOM 174 NE ARG A 56 -3.739 64.209 -40.831 1.00 67.45 ATOM 175 CZ ARG A 56 -3.297 65.244 -41.536 1.00 69.22 ATOM 176 NH1 ARG A 56 -3.941 66.404 -41.548 1.00 57.82 ATOM 177 NH2 ARG A 56 -2.174 65.115 -42.239 1.00 69.07 ATOM 178 N ALA A 57 -3.949 63.204 -34.978 1.00 44.00 ATOM 179 CA ALA A 57 -2.743 62.578 -34.450 1.00 40.74 ATOM 180 C ALA A 57 -1.803 62.126 -35.565 1.00 42.75 ATOM 181 O ALA A 57 -2.230 61.480 -36.529 1.00 41.01 ATOM 182 CB ALA A 57 -3.127 61.378 -33.590 1.00 39.97 ATOM 183 N LEU A 58 -0.511 62.396 -35.400 1.00 38.53 ATOM 184 CA LEU A 58 0.477 61.828 -36.305 1.00 38.68 ATOM 185 C LEU A 58 0.539 60.318 -36.134 1.00 39.76 ATOM 186 O LEU A 58 0.363 59.792 -35.030 1.00 50.35 ATOM 187 CB LEU A 58 1.858 62.432 -36.061 1.00 40.69 ATOM 188 CG LEU A 58 1.939 63.945 -36.253 1.00 46.37 ATOM 189 CD1 LEU A 58 3.325 64.463 -35.915 1.00 46.67 ATOM 190 CD2 LEU A 58 1.569 64.290 -37.677 1.00 43.81 ATOM 191 N GLY A 59 0.750 59.622 -37.245 1.00 35.62 ATOM 192 CA GLY A 59 0.981 58.201 -37.247 1.00 35.87 ATOM 193 C GLY A 59 -0.259 57.346 -37.188 1.00 41.65 ATOM 194 O GLY A 59 -0.161 56.130 -37.400 1.00 52.68 ATOM 195 N SER A 60 -1.425 57.925 -36.929 1.00 37.85 ATOM 196 CA SER A 60 -2.634 57.131 -36.769 1.00 46.03 ATOM 197 C SER A 60 -3.845 57.749 -37.431 1.00 46.91 ATOM 198 O SER A 60 -4.784 57.017 -37.762 1.00 46.75 ATOM 199 CB SER A 60 -2.942 56.895 -35.277 1.00 45.31 ATOM 200 OG SER A 60 -3.259 58.095 -34.579 1.00 45.10 ATOM 201 N GLY A 61 -3.860 59.060 -37.626 1.00 42.66 ATOM 202 CA GLY A 61 -5.012 59.704 -38.202 1.00 39.61 ATOM 203 C GLY A 61 -6.153 59.868 -37.234 1.00 44.53 ATOM 204 O GLY A 61 -7.241 60.284 -37.648 1.00 45.90 ATOM 205 N MET A 62 -5.944 59.539 -35.961 1.00 46.29 ATOM 206 CA MET A 62 -7.027 59.497 -34.994 1.00 42.48 ATOM 207 C MET A 62 -7.351 60.895 -34.484 1.00 41.29 ATOM 208 O MET A 62 -6.502 61.795 -34.487 1.00 39.51 ATOM 209 CB MET A 62 -6.664 58.556 -33.845 1.00 40.63 ATOM 210 CG MET A 62 -6.702 57.116 -34.300 1.00 38.87 ATOM 211 SD MET A 62 -8.334 56.377 -34.073 1.00 49.69 ATOM 212 CE MET A 62 -8.705 56.922 -32.394 1.00 42.52 ATOM 213 N ALA A 63 -8.603 61.075 -34.068 1.00 39.08 ATOM 214 CA ALA A 63 -9.030 62.333 -33.472 1.00 44.82 ATOM 215 C ALA A 63 -8.414 62.504 -32.089 1.00 44.76 ATOM 216 O ALA A 63 -8.142 61.529 -31.385 1.00 47.49 ATOM 217 CB ALA A 63 -10.554 62.386 -33.369 1.00 42.38 ATOM 218 N VAL A 64 -8.206 63.761 -31.692 1.00 44.25 ATOM 219 CA VAL A 64 -7.570 64.065 -30.418 1.00 44.05 ATOM 220 C VAL A 64 -8.396 65.080 -29.639 1.00 44.24 ATOM 221 O VAL A 64 -9.064 65.947 -30.211 1.00 43.94 ATOM 222 CB VAL A 64 -6.129 64.582 -30.610 1.00 42.16 ATOM 223 CG1 VAL A 64 -5.292 63.541 -31.330 1.00 45.81 ATOM 224 CG2 VAL A 64 -6.135 65.880 -31.371 1.00 46.10 ATOM 225 N ASP A 65 -8.357 64.956 -28.316 1.00 47.16 ATOM 226 CA ASP A 65 -8.963 65.926 -27.413 1.00 42.44 ATOM 227 C ASP A 65 -7.837 66.784 -26.854 1.00 43.96 ATOM 228 O ASP A 65 -7.076 66.332 -25.996 1.00 50.74 ATOM 229 CB ASP A 65 -9.742 65.217 -26.309 1.00 36.83 ATOM 230 CG ASP A 65 -10.445 66.173 -25.367 1.00 43.05 ATOM 231 OD1 ASP A 65 -10.035 67.348 -25.270 1.00 45.52 ATOM 232 OD2 ASP A 65 -11.432 65.743 -24.728 1.00 48.69 ATOM 233 N CYS A 66 -7.731 68.019 -27.335 1.00 44.40 ATOM 234 CA CYS A 66 -6.603 68.864 -26.971 1.00 44.00 ATOM 235 C CYS A 66 -6.811 69.573 -25.644 1.00 44.47 ATOM 236 O CYS A 66 -6.054 70.493 -25.313 1.00 46.88 ATOM 237 CB CYS A 66 -6.324 69.874 -28.084 1.00 50.69 ATOM 238 SG CYS A 66 -5.978 69.091 -29.677 1.00 49.29 ATOM 239 N SER A 67 -7.842 69.188 -24.898 1.00 42.91 ATOM 240 CA SER A 67 -8.046 69.645 -23.534 1.00 47.91 ATOM 241 C SER A 67 -7.608 68.622 -22.488 1.00 52.36 ATOM 242 O SER A 67 -7.798 68.856 -21.290 1.00 62.34 ATOM 243 CB SER A 67 -9.515 70.009 -23.325 1.00 46.69 ATOM 244 OG SER A 67 -9.829 71.188 -24.035 1.00 53.63 ATOM 245 N THR A 68 -7.026 67.500 -22.905 1.00 49.36 ATOM 246 CA THR A 68 -6.734 66.413 -21.980 1.00 51.57 ATOM 247 C THR A 68 -5.646 65.531 -22.578 1.00 49.65 ATOM 248 O THR A 68 -5.357 65.604 -23.776 1.00 53.44 ATOM 249 CB THR A 68 -7.994 65.596 -21.666 1.00 46.57 ATOM 250 OG1 THR A 68 -7.740 64.734 -20.551 1.00 53.06 ATOM 251 CG2 THR A 68 -8.418 64.757 -22.871 1.00 41.24 ATOM 252 N LEU A 69 -5.033 64.709 -21.725 1.00 46.07 ATOM 253 CA LEU A 69 -3.922 63.873 -22.164 1.00 44.71 ATOM 254 C LEU A 69 -4.374 62.869 -23.216 1.00 43.64 ATOM 255 O LEU A 69 -5.445 62.267 -23.106 1.00 45.19 ATOM 256 CB LEU A 69 -3.308 63.123 -20.981 1.00 45.49 ATOM 257 CG LEU A 69 -2.811 63.904 -19.772 1.00 41.63 ATOM 258 CD1 LEU A 69 -2.077 62.954 -18.840 1.00 46.15 ATOM 259 CD2 LEU A 69 -1.911 65.039 -20.194 1.00 43.05 TER