HEADER MEMBRANE PROTEIN 31-DEC-69 7NEZ TITLE Structure of topotecan-bound ABCG2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ATP-binding cassette sub-family G member 2; COMPND 3 CHAIN: A, B; COMPND 4 EC: 7.6.2.2; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 LYS B 47 REMARK 465 LEU B 48 REMARK 465 LYS B 49 REMARK 465 SER B 50 REMARK 465 GLY B 51 REMARK 465 PHE B 52 REMARK 465 LEU B 53 REMARK 465 PRO B 54 REMARK 465 CYS B 55 REMARK 465 ARG B 56 REMARK 465 LYS B 57 REMARK 465 PRO B 58 REMARK 465 VAL B 59 REMARK 465 GLU B 60 REMARK 465 GLY B 355 REMARK 465 GLU B 356 REMARK 465 LYS B 357 REMARK 465 LYS B 358 REMARK 465 LYS B 359 REMARK 465 LYS B 360 REMARK 465 ILE B 361 REMARK 465 THR B 362 REMARK 465 VAL B 363 REMARK 465 PHE B 364 REMARK 465 LYS B 365 REMARK 465 GLU B 366 REMARK 465 ILE B 367 REMARK 465 SER B 368 REMARK 465 TYR B 369 REMARK 465 THR B 370 REMARK 465 THR B 371 DBREF 7NEZ B 1 655 UNP Q9UNQ0 ABCG2_HUMAN 1 655 SEQRES 1 B 267 ALA VAL LEU SER PHE HIS ASN ILE CYS TYR ARG VAL LYS SEQRES 2 B 267 LEU LYS SER GLY PHE LEU PRO CYS ARG LYS PRO VAL GLU SEQRES 3 B 267 LYS GLU ILE LEU SER ASN ILE ASN GLY ILE MET LYS PRO SEQRES 4 B 267 GLY LEU ASN ALA ILE LEU GLY PRO THR GLY GLY GLY LYS SEQRES 5 B 267 SER SER LEU LEU ASP VAL LEU ALA ALA ARG LYS ASP PRO SEQRES 6 B 267 SER GLY LEU SER GLY ASP VAL LEU ILE ASN GLY ALA PRO SEQRES 7 B 267 ARG PRO ALA ASN PHE LYS CYS ASN SER GLY TYR VAL VAL SEQRES 8 B 267 GLN ASP ASP VAL VAL MET GLY THR LEU THR VAL ARG GLU SEQRES 9 B 267 ASN LEU GLN PHE SER ALA ALA LEU ARG LEU ALA THR THR SEQRES 10 B 267 MET THR ASN HIS GLU LYS ASN GLU ARG ILE ASN ARG VAL SEQRES 11 B 267 ILE GLN GLU LEU GLY LEU ASP LYS VAL ALA ASP SER LYS SEQRES 12 B 267 VAL GLY THR GLN PHE ILE ARG GLY VAL SER GLY GLY GLU SEQRES 13 B 267 ARG LYS ARG THR SER ILE GLY MET GLU LEU ILE THR ASP SEQRES 14 B 267 PRO SER ILE LEU PHE LEU ASP GLU PRO THR THR GLY LEU SEQRES 15 B 267 ASP SER SER THR ALA ASN ALA VAL LEU LEU LEU LEU LYS SEQRES 16 B 267 ARG MET SER LYS GLN GLY ARG THR ILE ILE PHE SER ILE SEQRES 17 B 267 HIS GLN PRO ARG TYR SER ILE PHE LYS LEU PHE ASP SER SEQRES 18 B 267 LEU THR LEU LEU ALA SER GLY ARG LEU MET PHE HIS GLY SEQRES 19 B 267 PRO ALA GLN GLU ALA LEU GLY TYR PHE GLU SER ALA GLY SEQRES 20 B 267 TYR HIS CYS GLU ALA TYR ASN ASN PRO ALA ASP PHE PHE SEQRES 21 B 267 LEU ASP ILE ILE ASN GLY ASP SEQRES 1 B 45 LEU ILE GLU LYS LEU ALA GLU ILE TYR VAL ASN SER SER SEQRES 2 B 45 PHE TYR LYS GLU THR LYS ALA GLU LEU HIS GLN LEU SER SEQRES 3 B 45 GLY GLY GLU LYS LYS LYS LYS ILE THR VAL PHE LYS GLU SEQRES 4 B 45 ILE SER TYR THR THR SER ATOM 1 N LEU B 328 141.153 146.820 70.980 1.00203.27 ATOM 2 CA LEU B 328 140.237 145.910 70.302 1.00203.27 ATOM 3 C LEU B 328 138.787 146.312 70.551 1.00203.27 ATOM 4 O LEU B 328 137.996 146.433 69.617 1.00203.27 ATOM 5 CB LEU B 328 140.474 144.470 70.761 1.00203.27 ATOM 6 CG LEU B 328 139.602 143.405 70.096 1.00203.27 ATOM 7 CD1 LEU B 328 139.802 143.416 68.588 1.00203.27 ATOM 8 CD2 LEU B 328 139.901 142.029 70.670 1.00203.27 ATOM 9 N ILE B 329 138.445 146.509 71.825 1.00204.24 ATOM 10 CA ILE B 329 137.107 146.978 72.176 1.00204.24 ATOM 11 C ILE B 329 136.867 148.370 71.600 1.00204.24 ATOM 12 O ILE B 329 135.797 148.660 71.041 1.00204.24 ATOM 13 CB ILE B 329 136.930 146.948 73.707 1.00204.24 ATOM 14 CG1 ILE B 329 137.151 145.527 74.235 1.00204.24 ATOM 15 CG2 ILE B 329 135.560 147.472 74.104 1.00204.24 ATOM 16 CD1 ILE B 329 137.201 145.426 75.745 1.00204.24 ATOM 17 N GLU B 330 137.870 149.245 71.710 1.00206.33 ATOM 18 CA GLU B 330 137.750 150.601 71.188 1.00206.33 ATOM 19 C GLU B 330 137.543 150.605 69.675 1.00206.33 ATOM 20 O GLU B 330 136.755 151.408 69.158 1.00206.33 ATOM 21 CB GLU B 330 138.994 151.409 71.571 1.00206.33 ATOM 22 CG GLU B 330 139.246 151.481 73.080 1.00206.33 ATOM 23 CD GLU B 330 140.568 152.144 73.438 1.00206.33 ATOM 24 OE1 GLU B 330 141.411 152.328 72.535 1.00206.33 ATOM 25 OE2 GLU B 330 140.762 152.478 74.625 1.00206.33 ATOM 26 N LYS B 331 138.224 149.709 68.955 1.00207.56 ATOM 27 CA LYS B 331 138.094 149.652 67.501 1.00207.56 ATOM 28 C LYS B 331 136.675 149.274 67.079 1.00207.56 ATOM 29 O LYS B 331 136.078 149.920 66.203 1.00207.56 ATOM 30 CB LYS B 331 139.117 148.657 66.948 1.00207.56 ATOM 31 CG LYS B 331 139.266 148.634 65.438 1.00207.56 ATOM 32 CD LYS B 331 140.448 147.757 65.039 1.00207.56 ATOM 33 CE LYS B 331 140.625 147.694 63.531 1.00207.56 ATOM 34 NZ LYS B 331 139.503 146.975 62.869 1.00207.56 ATOM 35 N LEU B 332 136.109 148.236 67.699 1.00207.89 ATOM 36 CA LEU B 332 134.754 147.819 67.353 1.00207.89 ATOM 37 C LEU B 332 133.727 148.878 67.740 1.00207.89 ATOM 38 O LEU B 332 132.755 149.108 67.002 1.00207.89 ATOM 39 CB LEU B 332 134.442 146.480 68.021 1.00207.89 ATOM 40 CG LEU B 332 135.439 145.359 67.709 1.00207.89 ATOM 41 CD1 LEU B 332 135.114 144.098 68.496 1.00207.89 ATOM 42 CD2 LEU B 332 135.474 145.068 66.214 1.00207.89 ATOM 43 N ALA B 333 133.923 149.545 68.882 1.00207.51 ATOM 44 CA ALA B 333 133.017 150.636 69.227 1.00207.51 ATOM 45 C ALA B 333 133.082 151.763 68.202 1.00207.51 ATOM 46 O ALA B 333 132.047 152.349 67.858 1.00207.51 ATOM 47 CB ALA B 333 133.329 151.161 70.626 1.00207.51 ATOM 48 N GLU B 334 134.282 152.086 67.709 1.00207.09 ATOM 49 CA GLU B 334 134.388 153.095 66.658 1.00207.09 ATOM 50 C GLU B 334 133.677 152.656 65.387 1.00207.09 ATOM 51 O GLU B 334 133.141 153.497 64.655 1.00207.09 ATOM 52 CB GLU B 334 135.854 153.404 66.366 1.00207.09 ATOM 53 CG GLU B 334 136.567 154.093 67.509 1.00207.09 ATOM 54 CD GLU B 334 138.024 154.361 67.205 1.00207.09 ATOM 55 OE1 GLU B 334 138.495 153.936 66.128 1.00207.09 ATOM 56 OE2 GLU B 334 138.698 154.996 68.041 1.00207.09 ATOM 57 N ILE B 335 133.675 151.354 65.099 1.00206.74 ATOM 58 CA ILE B 335 132.852 150.868 63.994 1.00206.74 ATOM 59 C ILE B 335 131.382 151.179 64.253 1.00206.74 ATOM 60 O ILE B 335 130.656 151.619 63.352 1.00206.74 ATOM 61 CB ILE B 335 133.073 149.363 63.769 1.00206.74 ATOM 62 CG1 ILE B 335 134.528 149.085 63.400 1.00206.74 ATOM 63 CG2 ILE B 335 132.132 148.847 62.688 1.00206.74 ATOM 64 CD1 ILE B 335 134.855 147.614 63.309 1.00206.74 ATOM 65 N TYR B 336 130.918 150.949 65.484 1.00206.94 ATOM 66 CA TYR B 336 129.505 151.191 65.780 1.00206.94 ATOM 67 C TYR B 336 129.146 152.674 65.715 1.00206.94 ATOM 68 O TYR B 336 128.006 153.016 65.379 1.00206.94 ATOM 69 CB TYR B 336 129.129 150.627 67.150 1.00206.94 ATOM 70 CG TYR B 336 127.668 150.831 67.498 1.00206.94 ATOM 71 CD1 TYR B 336 126.676 150.074 66.889 1.00206.94 ATOM 72 CD2 TYR B 336 127.281 151.783 68.434 1.00206.94 ATOM 73 CE1 TYR B 336 125.342 150.257 67.201 1.00206.94 ATOM 74 CE2 TYR B 336 125.949 151.972 68.753 1.00206.94 ATOM 75 CZ TYR B 336 124.984 151.206 68.133 1.00206.94 ATOM 76 OH TYR B 336 123.658 151.391 68.448 1.00206.94 ATOM 77 N VAL B 337 130.087 153.564 66.042 1.00205.38 ATOM 78 CA VAL B 337 129.791 154.993 65.960 1.00205.38 ATOM 79 C VAL B 337 129.475 155.391 64.523 1.00205.38 ATOM 80 O VAL B 337 128.625 156.256 64.279 1.00205.38 ATOM 81 CB VAL B 337 130.953 155.824 66.533 1.00205.38 ATOM 82 CG1 VAL B 337 130.675 157.313 66.361 1.00205.38 ATOM 83 CG2 VAL B 337 131.169 155.487 67.998 1.00205.38 ATOM 84 N ASN B 338 130.148 154.771 63.553 1.00205.98 ATOM 85 CA ASN B 338 129.897 155.009 62.137 1.00205.98 ATOM 86 C ASN B 338 128.957 153.968 61.538 1.00205.98 ATOM 87 O ASN B 338 129.096 153.601 60.367 1.00205.98 ATOM 88 CB ASN B 338 131.216 155.047 61.366 1.00205.98 ATOM 89 CG ASN B 338 132.056 156.261 61.711 1.00205.98 ATOM 90 OD1 ASN B 338 131.538 157.370 61.844 1.00205.98 ATOM 91 ND2 ASN B 338 133.360 156.057 61.864 1.00205.98 ATOM 92 N SER B 339 128.006 153.479 62.328 1.00207.25 ATOM 93 CA SER B 339 127.006 152.535 61.850 1.00207.25 ATOM 94 C SER B 339 125.753 153.279 61.409 1.00207.25 ATOM 95 O SER B 339 125.260 154.159 62.122 1.00207.25 ATOM 96 CB SER B 339 126.655 151.524 62.943 1.00207.25 ATOM 97 OG SER B 339 125.550 150.723 62.564 1.00207.25 ATOM 98 N SER B 340 125.239 152.921 60.230 1.00209.14 ATOM 99 CA SER B 340 123.990 153.506 59.756 1.00209.14 ATOM 100 C SER B 340 122.810 153.120 60.639 1.00209.14 ATOM 101 O SER B 340 121.858 153.907 60.775 1.00209.14 ATOM 102 CB SER B 340 123.735 153.082 58.309 1.00209.14 ATOM 103 OG SER B 340 122.550 153.670 57.805 1.00209.14 ATOM 104 N PHE B 341 122.857 151.928 61.240 1.00209.76 ATOM 105 CA PHE B 341 121.856 151.558 62.231 1.00209.76 ATOM 106 C PHE B 341 121.835 152.548 63.384 1.00209.76 ATOM 107 O PHE B 341 120.771 152.805 63.961 1.00209.76 ATOM 108 CB PHE B 341 122.123 150.146 62.753 1.00209.76 ATOM 109 CG PHE B 341 121.922 149.067 61.727 1.00209.76 ATOM 110 CD1 PHE B 341 121.169 149.304 60.590 1.00209.76 ATOM 111 CD2 PHE B 341 122.484 147.813 61.904 1.00209.76 ATOM 112 CE1 PHE B 341 120.982 148.311 59.645 1.00209.76 ATOM 113 CE2 PHE B 341 122.300 146.816 60.964 1.00209.76 ATOM 114 CZ PHE B 341 121.548 147.066 59.833 1.00209.76 ATOM 115 N TYR B 342 122.994 153.106 63.737 1.00209.74 ATOM 116 CA TYR B 342 123.025 154.155 64.746 1.00209.74 ATOM 117 C TYR B 342 122.553 155.491 64.196 1.00209.74 ATOM 118 O TYR B 342 122.001 156.293 64.947 1.00209.74 ATOM 119 CB TYR B 342 124.429 154.316 65.325 1.00209.74 ATOM 120 CG TYR B 342 124.514 155.420 66.358 1.00209.74 ATOM 121 CD1 TYR B 342 124.103 155.203 67.665 1.00209.74 ATOM 122 CD2 TYR B 342 124.993 156.681 66.023 1.00209.74 ATOM 123 CE1 TYR B 342 124.171 156.206 68.613 1.00209.74 ATOM 124 CE2 TYR B 342 125.065 157.691 66.965 1.00209.74 ATOM 125 CZ TYR B 342 124.653 157.448 68.258 1.00209.74 ATOM 126 OH TYR B 342 124.721 158.448 69.202 1.00209.74 ATOM 127 N LYS B 343 122.768 155.762 62.907 1.00208.72 ATOM 128 CA LYS B 343 122.386 157.063 62.367 1.00208.72 ATOM 129 C LYS B 343 120.873 157.210 62.254 1.00208.72 ATOM 130 O LYS B 343 120.331 158.291 62.529 1.00208.72 ATOM 131 CB LYS B 343 123.059 157.286 61.014 1.00208.72 ATOM 132 CG LYS B 343 124.576 157.339 61.103 1.00208.72 ATOM 133 CD LYS B 343 125.026 158.406 62.089 1.00208.72 ATOM 134 CE LYS B 343 126.538 158.427 62.235 1.00208.72 ATOM 135 NZ LYS B 343 126.987 159.490 63.177 1.00208.72 ATOM 136 N GLU B 344 120.167 156.145 61.867 1.00210.01 ATOM 137 CA GLU B 344 118.707 156.223 61.892 1.00210.01 ATOM 138 C GLU B 344 118.198 156.440 63.315 1.00210.01 ATOM 139 O GLU B 344 117.274 157.231 63.544 1.00210.01 ATOM 140 CB GLU B 344 118.095 154.962 61.281 1.00210.01 ATOM 141 CG GLU B 344 116.572 154.969 61.239 1.00210.01 ATOM 142 CD GLU B 344 116.009 156.036 60.316 1.00210.01 ATOM 143 OE1 GLU B 344 116.722 156.451 59.378 1.00210.01 ATOM 144 OE2 GLU B 344 114.853 156.459 60.529 1.00210.01 ATOM 145 N THR B 345 118.800 155.758 64.290 1.00214.25 ATOM 146 CA THR B 345 118.406 155.959 65.680 1.00214.25 ATOM 147 C THR B 345 118.777 157.356 66.164 1.00214.25 ATOM 148 O THR B 345 118.121 157.905 67.053 1.00214.25 ATOM 149 CB THR B 345 119.050 154.894 66.564 1.00214.25 ATOM 150 OG1 THR B 345 118.701 153.593 66.074 1.00214.25 ATOM 151 CG2 THR B 345 118.573 155.034 67.999 1.00214.25 ATOM 152 N LYS B 346 119.842 157.934 65.611 1.00210.31 ATOM 153 CA LYS B 346 120.199 159.311 65.930 1.00210.31 ATOM 154 C LYS B 346 119.150 160.275 65.398 1.00210.31 ATOM 155 O LYS B 346 118.842 161.290 66.035 1.00210.31 ATOM 156 CB LYS B 346 121.577 159.634 65.350 1.00210.31 ATOM 157 CG LYS B 346 122.061 161.056 65.590 1.00210.31 ATOM 158 CD LYS B 346 122.537 161.251 67.019 1.00210.31 ATOM 159 CE LYS B 346 123.153 162.629 67.205 1.00210.31 ATOM 160 NZ LYS B 346 123.662 162.834 68.589 1.00210.31 ATOM 161 N ALA B 347 118.593 159.973 64.226 1.00211.49 ATOM 162 CA ALA B 347 117.505 160.753 63.653 1.00211.49 ATOM 163 C ALA B 347 116.139 160.361 64.219 1.00211.49 ATOM 164 O ALA B 347 115.117 160.901 63.781 1.00211.49 ATOM 165 CB ALA B 347 117.506 160.620 62.128 1.00211.49 ATOM 166 N GLU B 348 116.100 159.404 65.135 1.00212.46 ATOM 167 CA GLU B 348 114.866 159.055 65.841 1.00212.46 ATOM 168 C GLU B 348 114.824 159.543 67.287 1.00212.46 ATOM 169 O GLU B 348 113.830 160.152 67.706 1.00212.46 ATOM 170 CB GLU B 348 114.675 157.529 65.805 1.00212.46 ATOM 171 CG GLU B 348 113.366 157.050 66.398 1.00212.46 ATOM 172 CD GLU B 348 112.165 157.523 65.605 1.00212.46 ATOM 173 OE1 GLU B 348 112.308 157.765 64.388 1.00212.46 ATOM 174 OE2 GLU B 348 111.075 157.656 66.201 1.00212.46 ATOM 175 N LEU B 349 115.881 159.294 68.064 1.00209.73 ATOM 176 CA LEU B 349 115.899 159.694 69.467 1.00209.73 ATOM 177 C LEU B 349 115.811 161.206 69.617 1.00209.73 ATOM 178 O LEU B 349 115.100 161.706 70.496 1.00209.73 ATOM 179 CB LEU B 349 117.160 159.168 70.148 1.00209.73 ATOM 180 CG LEU B 349 117.196 157.683 70.506 1.00209.73 ATOM 181 CD1 LEU B 349 118.573 157.301 71.019 1.00209.73 ATOM 182 CD2 LEU B 349 116.131 157.369 71.543 1.00209.73 ATOM 183 N HIS B 350 116.531 161.950 68.781 1.00207.03 ATOM 184 CA HIS B 350 116.489 163.402 68.869 1.00207.03 ATOM 185 C HIS B 350 115.195 163.985 68.322 1.00207.03 ATOM 186 O HIS B 350 114.916 165.165 68.562 1.00207.03 ATOM 187 CB HIS B 350 117.701 164.003 68.160 1.00207.03 ATOM 188 CG HIS B 350 118.993 163.725 68.862 1.00207.03 ATOM 189 ND1 HIS B 350 119.399 164.429 69.976 1.00207.03 ATOM 190 CD2 HIS B 350 119.956 162.802 68.629 1.00207.03 ATOM 191 CE1 HIS B 350 120.562 163.960 70.390 1.00207.03 ATOM 192 NE2 HIS B 350 120.922 162.973 69.590 1.00207.03 ATOM 193 N GLN B 351 114.405 163.195 67.594 1.00206.77 ATOM 194 CA GLN B 351 112.998 163.538 67.432 1.00206.77 ATOM 195 C GLN B 351 112.236 163.282 68.723 1.00206.77 ATOM 196 O GLN B 351 111.313 164.030 69.064 1.00206.77 ATOM 197 CB GLN B 351 112.381 162.746 66.280 1.00206.77 ATOM 198 CG GLN B 351 110.901 163.028 66.068 1.00206.77 ATOM 199 CD GLN B 351 110.308 162.220 64.931 1.00206.77 ATOM 200 OE1 GLN B 351 110.997 161.418 64.300 1.00206.77 ATOM 201 NE2 GLN B 351 109.023 162.427 64.664 1.00206.77 ATOM 202 N LEU B 352 112.618 162.234 69.459 1.00206.12 ATOM 203 CA LEU B 352 111.986 161.962 70.747 1.00206.12 ATOM 204 C LEU B 352 112.523 162.879 71.842 1.00206.12 ATOM 205 O LEU B 352 111.751 163.567 72.519 1.00206.12 ATOM 206 CB LEU B 352 112.186 160.496 71.131 1.00206.12 ATOM 207 CG LEU B 352 111.507 159.472 70.223 1.00206.12 ATOM 208 CD1 LEU B 352 111.848 158.061 70.669 1.00206.12 ATOM 209 CD2 LEU B 352 110.000 159.686 70.211 1.00206.12 ATOM 210 N SER B 353 113.844 162.896 72.036 1.00204.12 ATOM 211 CA SER B 353 114.437 163.735 73.072 1.00204.12 ATOM 212 C SER B 353 114.337 165.220 72.752 1.00204.12 ATOM 213 O SER B 353 114.533 166.047 73.650 1.00204.12 ATOM 214 CB SER B 353 115.901 163.350 73.291 1.00204.12 ATOM 215 OG SER B 353 116.007 162.039 73.817 1.00204.12 ATOM 216 N GLY B 354 114.044 165.576 71.507 1.00204.62 ATOM 217 CA GLY B 354 113.843 166.964 71.140 1.00204.62 ATOM 218 C GLY B 354 112.400 167.387 71.321 1.00204.62 ATOM 219 O GLY B 354 111.538 166.558 71.615 1.00204.62 ATOM 220 N SER B 372 94.940 148.603 99.914 1.00148.99 ATOM 221 CA SER B 372 94.624 149.086 101.253 1.00148.99 ATOM 222 C SER B 372 95.356 148.270 102.314 1.00148.99 ATOM 223 O SER B 372 95.615 147.081 102.128 1.00148.99 ATOM 224 CB SER B 372 93.115 149.047 101.496 1.00148.99 ATOM 225 OG SER B 372 92.609 147.733 101.346 1.00148.99 TER