HEADER TRANSPORT PROTEIN 31-DEC-69 4COF TITLE Crystal structure of a human gamma-aminobutyric acid receptor, the TITLE 2 GABA(A)R-beta3 homopentamer COMPND MOL_ID: 1; COMPND 2 MOLECULE: GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT BETA-3; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 FRAGMENT: RESIDUES ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.97 ANGSTORMS DBREF 4COF E 1 307 UNP P28472 GBRB3_HUMAN 26 312 DBREF 4COF E 422 448 UNP P28472 GBRB3_HUMAN 447 473 MODRES 4COF ASN E 83 ASN GLYCOSYLATION SITE MODRES 4COF ASN E 152 ASN GLYCOSYLATION SITE SEQRES 1 E 90 ILE GLY TYR PHE ILE LEU GLN THR TYR MET PRO SER ILE SEQRES 2 E 90 LEU ILE THR ILE LEU SER TRP VAL SER PHE TRP ILE ASN SEQRES 3 E 90 TYR ASP ALA SER ALA ALA ARG VAL ALA LEU GLY ILE THR SEQRES 4 E 90 THR VAL LEU THR MET THR THR ILE ASN THR HIS LEU ARG SEQRES 5 E 90 GLU THR LEU PRO LYS ILE PRO TYR VAL LYS ALA ILE ASP SEQRES 6 E 90 MET TYR LEU MET GLY CYS PHE VAL PHE VAL PHE LEU ALA SEQRES 7 E 90 LEU LEU GLU TYR ALA PHE VAL ASN TYR ILE PHE PHE SEQRES 1 E 26 ALA ILE ASP ARG TRP SER ARG ILE VAL PHE PRO PHE THR SEQRES 2 E 26 PHE SER LEU PHE ASN LEU VAL TYR TRP LEU TYR TYR VAL ATOM 1 N ALA E 318 0.728 -1.972 197.741 1.00 80.39 ATOM 2 CA ALA E 318 -0.721 -2.087 197.572 1.00 79.96 ATOM 3 C ALA E 318 -1.178 -1.694 196.156 1.00 86.55 ATOM 4 O ALA E 318 -1.988 -2.415 195.550 1.00 87.90 ATOM 5 CB ALA E 318 -1.425 -1.228 198.579 1.00 81.33 ATOM 6 N ILE E 319 -0.648 -0.572 195.612 1.00 81.22 ATOM 7 CA ILE E 319 -1.034 -0.128 194.281 1.00 79.22 ATOM 8 C ILE E 319 -0.665 -1.213 193.257 1.00 85.38 ATOM 9 O ILE E 319 -1.497 -1.504 192.403 1.00 86.83 ATOM 10 CB ILE E 319 -0.469 1.274 193.935 1.00 80.08 ATOM 11 CG1 ILE E 319 -1.163 2.325 194.790 1.00 79.64 ATOM 12 CG2 ILE E 319 -0.664 1.603 192.434 1.00 79.48 ATOM 13 CD1 ILE E 319 -0.374 3.398 195.130 1.00 84.83 ATOM 14 N ASP E 320 0.522 -1.851 193.378 1.00 81.85 ATOM 15 CA ASP E 320 0.916 -2.935 192.471 1.00 81.91 ATOM 16 C ASP E 320 0.021 -4.143 192.664 1.00 88.51 ATOM 17 O ASP E 320 -0.383 -4.760 191.668 1.00 89.72 ATOM 18 CB ASP E 320 2.372 -3.355 192.663 1.00 84.45 ATOM 19 CG ASP E 320 3.414 -2.528 191.946 1.00 95.01 ATOM 20 OD1 ASP E 320 3.079 -1.932 190.906 1.00 94.48 ATOM 21 OD2 ASP E 320 4.589 -2.528 192.400 1.00100.11 ATOM 22 N ARG E 321 -0.341 -4.435 193.933 1.00 85.52 ATOM 23 CA ARG E 321 -1.206 -5.546 194.301 1.00 86.61 ATOM 24 C ARG E 321 -2.588 -5.422 193.641 1.00 93.12 ATOM 25 O ARG E 321 -3.074 -6.409 193.078 1.00 93.07 ATOM 26 CB ARG E 321 -1.341 -5.651 195.826 1.00 86.88 ATOM 27 CG ARG E 321 -1.069 -7.056 196.353 1.00 98.22 ATOM 28 CD ARG E 321 -1.141 -7.177 197.865 1.00118.46 ATOM 29 NE ARG E 321 -0.071 -6.438 198.555 1.00125.26 ATOM 30 CZ ARG E 321 -0.276 -5.428 199.403 1.00133.70 ATOM 31 NH1 ARG E 321 -1.513 -5.030 199.691 1.00114.11 ATOM 32 NH2 ARG E 321 0.752 -4.814 199.972 1.00119.65 ATOM 33 N TRP E 322 -3.186 -4.210 193.670 1.00 92.32 ATOM 34 CA TRP E 322 -4.515 -3.927 193.105 1.00 94.07 ATOM 35 C TRP E 322 -4.508 -3.887 191.590 1.00 94.94 ATOM 36 O TRP E 322 -5.448 -4.390 190.970 1.00 95.10 ATOM 37 CB TRP E 322 -5.057 -2.608 193.643 1.00 95.09 ATOM 38 CG TRP E 322 -5.687 -2.778 194.989 1.00 99.27 ATOM 39 CD1 TRP E 322 -5.145 -2.456 196.200 1.00102.91 ATOM 40 CD2 TRP E 322 -6.937 -3.428 195.265 1.00101.51 ATOM 41 NE1 TRP E 322 -5.999 -2.826 197.213 1.00104.54 ATOM 42 CE2 TRP E 322 -7.109 -3.424 196.668 1.00106.81 ATOM 43 CE3 TRP E 322 -7.948 -3.992 194.455 1.00103.37 ATOM 44 CZ2 TRP E 322 -8.244 -3.966 197.282 1.00107.88 ATOM 45 CZ3 TRP E 322 -9.079 -4.513 195.066 1.00106.53 ATOM 46 CH2 TRP E 322 -9.211 -4.511 196.464 1.00108.66 ATOM 47 N SER E 323 -3.441 -3.302 190.995 1.00 87.37 ATOM 48 CA SER E 323 -3.264 -3.190 189.560 1.00 84.53 ATOM 49 C SER E 323 -3.310 -4.562 188.904 1.00 89.78 ATOM 50 O SER E 323 -3.876 -4.699 187.819 1.00 88.62 ATOM 51 CB SER E 323 -1.955 -2.494 189.248 1.00 83.90 ATOM 52 OG SER E 323 -2.096 -1.123 189.558 1.00 84.50 ATOM 53 N ARG E 324 -2.799 -5.593 189.603 1.00 87.74 ATOM 54 CA ARG E 324 -2.801 -6.981 189.140 1.00 87.57 ATOM 55 C ARG E 324 -4.197 -7.537 188.883 1.00 94.32 ATOM 56 O ARG E 324 -4.314 -8.482 188.108 1.00 94.31 ATOM 57 CB ARG E 324 -2.109 -7.872 190.168 1.00 84.22 ATOM 58 CG ARG E 324 -0.626 -7.667 190.230 1.00 79.46 ATOM 59 CD ARG E 324 -0.114 -8.297 191.468 1.00 85.51 ATOM 60 NE ARG E 324 1.285 -7.955 191.680 1.00 92.84 ATOM 61 CZ ARG E 324 1.920 -8.147 192.821 1.00101.61 ATOM 62 NH1 ARG E 324 1.282 -8.655 193.864 1.00 92.11 ATOM 63 NH2 ARG E 324 3.199 -7.833 192.935 1.00 93.21 ATOM 64 N ILE E 325 -5.240 -6.994 189.544 1.00 93.02 ATOM 65 CA ILE E 325 -6.604 -7.499 189.365 1.00 94.68 ATOM 66 C ILE E 325 -7.469 -6.460 188.638 1.00 96.42 ATOM 67 O ILE E 325 -8.212 -6.839 187.722 1.00 96.70 ATOM 68 CB ILE E 325 -7.264 -8.018 190.682 1.00100.22 ATOM 69 CG1 ILE E 325 -7.482 -6.909 191.725 1.00101.79 ATOM 70 CG2 ILE E 325 -6.459 -9.205 191.269 1.00101.63 ATOM 71 CD1 ILE E 325 -8.502 -7.230 192.758 1.00114.82 ATOM 72 N VAL E 326 -7.341 -5.158 189.001 1.00 89.93 ATOM 73 CA VAL E 326 -8.127 -4.082 188.379 1.00 88.46 ATOM 74 C VAL E 326 -7.883 -4.018 186.869 1.00 92.35 ATOM 75 O VAL E 326 -8.859 -4.045 186.130 1.00 93.07 ATOM 76 CB VAL E 326 -7.921 -2.707 189.039 1.00 90.18 ATOM 77 CG1 VAL E 326 -8.562 -1.591 188.219 1.00 88.63 ATOM 78 CG2 VAL E 326 -8.440 -2.716 190.483 1.00 91.38 ATOM 79 N PHE E 327 -6.610 -3.971 186.410 1.00 88.23 ATOM 80 CA PHE E 327 -6.293 -3.891 184.974 1.00 86.58 ATOM 81 C PHE E 327 -6.908 -5.064 184.170 1.00 94.97 ATOM 82 O PHE E 327 -7.727 -4.755 183.291 1.00 95.01 ATOM 83 CB PHE E 327 -4.783 -3.760 184.712 1.00 85.22 ATOM 84 CG PHE E 327 -4.274 -2.346 184.837 1.00 84.23 ATOM 85 CD1 PHE E 327 -4.006 -1.793 186.081 1.00 86.79 ATOM 86 CD2 PHE E 327 -4.051 -1.568 183.710 1.00 84.18 ATOM 87 CE1 PHE E 327 -3.513 -0.485 186.195 1.00 86.72 ATOM 88 CE2 PHE E 327 -3.564 -0.255 183.827 1.00 86.59 ATOM 89 CZ PHE E 327 -3.302 0.278 185.067 1.00 84.49 ATOM 90 N PRO E 328 -6.640 -6.375 184.474 1.00 94.13 ATOM 91 CA PRO E 328 -7.276 -7.456 183.676 1.00 95.06 ATOM 92 C PRO E 328 -8.806 -7.416 183.700 1.00100.68 ATOM 93 O PRO E 328 -9.443 -7.671 182.680 1.00 99.40 ATOM 94 CB PRO E 328 -6.756 -8.739 184.328 1.00 97.30 ATOM 95 CG PRO E 328 -5.500 -8.335 185.017 1.00100.64 ATOM 96 CD PRO E 328 -5.722 -6.938 185.491 1.00 95.58 ATOM 97 N PHE E 329 -9.390 -7.039 184.851 1.00 99.78 ATOM 98 CA PHE E 329 -10.838 -6.949 185.008 1.00101.05 ATOM 99 C PHE E 329 -11.409 -5.861 184.105 1.00102.60 ATOM 100 O PHE E 329 -12.342 -6.143 183.364 1.00103.61 ATOM 101 CB PHE E 329 -11.216 -6.701 186.483 1.00104.33 ATOM 102 CG PHE E 329 -12.701 -6.561 186.727 1.00108.24 ATOM 103 CD1 PHE E 329 -13.517 -7.683 186.825 1.00112.92 ATOM 104 CD2 PHE E 329 -13.282 -5.303 186.875 1.00110.90 ATOM 105 CE1 PHE E 329 -14.887 -7.550 187.061 1.00115.70 ATOM 106 CE2 PHE E 329 -14.654 -5.171 187.099 1.00115.46 ATOM 107 CZ PHE E 329 -15.445 -6.294 187.192 1.00115.08 ATOM 108 N THR E 330 -10.838 -4.640 184.145 1.00 96.52 ATOM 109 CA THR E 330 -11.294 -3.483 183.371 1.00 95.83 ATOM 110 C THR E 330 -11.106 -3.721 181.849 1.00100.62 ATOM 111 O THR E 330 -11.945 -3.280 181.047 1.00102.06 ATOM 112 CB THR E 330 -10.588 -2.221 183.861 1.00 98.35 ATOM 113 OG1 THR E 330 -10.748 -2.150 185.274 1.00 99.50 ATOM 114 CG2 THR E 330 -11.180 -0.961 183.281 1.00 97.91 ATOM 115 N PHE E 331 -10.035 -4.439 181.459 1.00 94.25 ATOM 116 CA PHE E 331 -9.785 -4.740 180.059 1.00 91.76 ATOM 117 C PHE E 331 -10.817 -5.754 179.551 1.00 96.83 ATOM 118 O PHE E 331 -11.331 -5.593 178.441 1.00 95.70 ATOM 119 CB PHE E 331 -8.347 -5.232 179.863 1.00 91.72 ATOM 120 CG PHE E 331 -7.958 -5.384 178.412 1.00 91.71 ATOM 121 CD1 PHE E 331 -7.905 -4.276 177.567 1.00 92.87 ATOM 122 CD2 PHE E 331 -7.665 -6.632 177.883 1.00 92.60 ATOM 123 CE1 PHE E 331 -7.580 -4.424 176.224 1.00 92.64 ATOM 124 CE2 PHE E 331 -7.330 -6.775 176.535 1.00 94.27 ATOM 125 CZ PHE E 331 -7.290 -5.672 175.717 1.00 91.72 ATOM 126 N SER E 332 -11.160 -6.766 180.381 1.00 95.54 ATOM 127 CA SER E 332 -12.200 -7.749 180.048 1.00 96.44 ATOM 128 C SER E 332 -13.542 -7.029 179.909 1.00102.83 ATOM 129 O SER E 332 -14.269 -7.262 178.941 1.00103.09 ATOM 130 CB SER E 332 -12.275 -8.844 181.103 1.00 98.69 ATOM 131 OG SER E 332 -10.999 -9.434 181.284 1.00102.33 ATOM 132 N LEU E 333 -13.810 -6.073 180.820 1.00100.80 ATOM 133 CA LEU E 333 -15.016 -5.251 180.801 1.00102.80 ATOM 134 C LEU E 333 -15.065 -4.366 179.550 1.00105.89 ATOM 135 O LEU E 333 -16.143 -4.211 178.976 1.00107.61 ATOM 136 CB LEU E 333 -15.091 -4.394 182.072 1.00103.63 ATOM 137 CG LEU E 333 -16.501 -4.056 182.594 1.00111.09 ATOM 138 CD1 LEU E 333 -17.281 -5.322 182.973 1.00113.02 ATOM 139 CD2 LEU E 333 -16.417 -3.160 183.826 1.00113.77 ATOM 140 N PHE E 334 -13.902 -3.822 179.109 1.00 99.17 ATOM 141 CA PHE E 334 -13.804 -2.978 177.912 1.00 97.39 ATOM 142 C PHE E 334 -14.123 -3.805 176.671 1.00102.21 ATOM 143 O PHE E 334 -14.873 -3.340 175.816 1.00101.55 ATOM 144 CB PHE E 334 -12.418 -2.314 177.809 1.00 96.87 ATOM 145 CG PHE E 334 -12.103 -1.665 176.481 1.00 97.46 ATOM 146 CD1 PHE E 334 -12.510 -0.362 176.210 1.00100.30 ATOM 147 CD2 PHE E 334 -11.377 -2.348 175.508 1.00 98.55 ATOM 148 CE1 PHE E 334 -12.200 0.246 174.985 1.00100.07 ATOM 149 CE2 PHE E 334 -11.092 -1.747 174.275 1.00100.37 ATOM 150 CZ PHE E 334 -11.504 -0.455 174.023 1.00 98.17 ATOM 151 N ASN E 335 -13.560 -5.025 176.581 1.00100.45 ATOM 152 CA ASN E 335 -13.777 -5.952 175.465 1.00101.27 ATOM 153 C ASN E 335 -15.235 -6.349 175.373 1.00109.10 ATOM 154 O ASN E 335 -15.805 -6.325 174.285 1.00108.67 ATOM 155 CB ASN E 335 -12.895 -7.184 175.611 1.00100.66 ATOM 156 CG ASN E 335 -11.539 -6.957 175.026 1.00115.78 ATOM 157 OD1 ASN E 335 -11.281 -7.343 173.885 1.00111.76 ATOM 158 ND2 ASN E 335 -10.685 -6.238 175.747 1.00103.87 ATOM 159 N LEU E 336 -15.853 -6.646 176.528 1.00109.07 ATOM 160 CA LEU E 336 -17.266 -6.984 176.638 1.00111.37 ATOM 161 C LEU E 336 -18.138 -5.818 176.135 1.00114.91 ATOM 162 O LEU E 336 -18.992 -6.057 175.294 1.00114.97 ATOM 163 CB LEU E 336 -17.601 -7.344 178.093 1.00112.92 ATOM 164 CG LEU E 336 -19.057 -7.717 178.390 1.00121.08 ATOM 165 CD1 LEU E 336 -19.433 -9.079 177.795 1.00122.89 ATOM 166 CD2 LEU E 336 -19.336 -7.662 179.862 1.00125.21 ATOM 167 N VAL E 337 -17.877 -4.566 176.586 1.00110.81 ATOM 168 CA VAL E 337 -18.639 -3.389 176.157 1.00111.90 ATOM 169 C VAL E 337 -18.444 -3.130 174.647 1.00118.87 ATOM 170 O VAL E 337 -19.436 -2.956 173.941 1.00121.28 ATOM 171 CB VAL E 337 -18.323 -2.140 177.007 1.00114.77 ATOM 172 CG1 VAL E 337 -18.807 -0.857 176.327 1.00114.98 ATOM 173 CG2 VAL E 337 -18.932 -2.272 178.398 1.00115.74 ATOM 174 N TYR E 338 -17.191 -3.132 174.156 1.00114.27 ATOM 175 CA TYR E 338 -16.864 -2.921 172.745 1.00113.51 ATOM 176 C TYR E 338 -17.552 -3.948 171.820 1.00120.58 ATOM 177 O TYR E 338 -18.277 -3.542 170.911 1.00120.50 ATOM 178 CB TYR E 338 -15.341 -2.985 172.554 1.00112.33 ATOM 179 CG TYR E 338 -14.872 -2.990 171.113 1.00113.05 ATOM 180 CD1 TYR E 338 -14.640 -1.802 170.432 1.00114.68 ATOM 181 CD2 TYR E 338 -14.605 -4.190 170.448 1.00113.19 ATOM 182 CE1 TYR E 338 -14.178 -1.801 169.118 1.00115.58 ATOM 183 CE2 TYR E 338 -14.161 -4.201 169.127 1.00113.33 ATOM 184 CZ TYR E 338 -13.953 -3.001 168.462 1.00119.94 ATOM 185 OH TYR E 338 -13.462 -2.983 167.177 1.00117.69 ATOM 186 N TRP E 339 -17.295 -5.259 172.028 1.00119.25 ATOM 187 CA TRP E 339 -17.822 -6.323 171.177 1.00121.89 ATOM 188 C TRP E 339 -19.345 -6.405 171.223 1.00129.78 ATOM 189 O TRP E 339 -19.930 -6.665 170.181 1.00130.19 ATOM 190 CB TRP E 339 -17.185 -7.679 171.495 1.00121.27 ATOM 191 CG TRP E 339 -15.740 -7.767 171.076 1.00121.35 ATOM 192 CD1 TRP E 339 -14.647 -7.799 171.896 1.00122.91 ATOM 193 CD2 TRP E 339 -15.232 -7.808 169.731 1.00120.75 ATOM 194 NE1 TRP E 339 -13.490 -7.850 171.149 1.00120.93 ATOM 195 CE2 TRP E 339 -13.819 -7.868 169.817 1.00123.12 ATOM 196 CE3 TRP E 339 -15.833 -7.809 168.455 1.00122.70 ATOM 197 CZ2 TRP E 339 -12.999 -7.934 168.680 1.00121.71 ATOM 198 CZ3 TRP E 339 -15.017 -7.859 167.332 1.00123.20 ATOM 199 CH2 TRP E 339 -13.617 -7.924 167.450 1.00122.25 ATOM 200 N LEU E 340 -19.992 -6.120 172.374 1.00129.18 ATOM 201 CA LEU E 340 -21.457 -6.127 172.443 1.00132.20 ATOM 202 C LEU E 340 -22.028 -4.943 171.676 1.00139.52 ATOM 203 O LEU E 340 -22.961 -5.139 170.889 1.00141.10 ATOM 204 CB LEU E 340 -22.003 -6.135 173.877 1.00133.37 ATOM 205 CG LEU E 340 -21.819 -7.412 174.694 1.00138.01 ATOM 206 CD1 LEU E 340 -22.423 -7.256 176.063 1.00139.19 ATOM 207 CD2 LEU E 340 -22.396 -8.634 173.994 1.00141.17 ATOM 208 N TYR E 341 -21.449 -3.729 171.863 1.00136.80 ATOM 209 CA TYR E 341 -21.877 -2.524 171.146 1.00138.25 ATOM 210 C TYR E 341 -21.772 -2.704 169.613 1.00143.97 ATOM 211 O TYR E 341 -22.662 -2.254 168.891 1.00146.04 ATOM 212 CB TYR E 341 -21.079 -1.284 171.592 1.00138.27 ATOM 213 CG TYR E 341 -21.271 -0.090 170.678 1.00140.90 ATOM 214 CD1 TYR E 341 -22.384 0.739 170.804 1.00144.77 ATOM 215 CD2 TYR E 341 -20.373 0.178 169.645 1.00140.38 ATOM 216 CE1 TYR E 341 -22.585 1.820 169.942 1.00145.71 ATOM 217 CE2 TYR E 341 -20.566 1.252 168.775 1.00141.60 ATOM 218 CZ TYR E 341 -21.673 2.072 168.929 1.00150.44 ATOM 219 OH TYR E 341 -21.868 3.138 168.083 1.00151.21 ATOM 220 N TYR E 342 -20.697 -3.325 169.116 1.00139.42 ATOM 221 CA TYR E 342 -20.573 -3.473 167.675 1.00139.63 ATOM 222 C TYR E 342 -21.375 -4.648 167.117 1.00146.76 ATOM 223 O TYR E 342 -21.828 -4.544 165.979 1.00148.02 ATOM 224 CB TYR E 342 -19.118 -3.539 167.231 1.00138.71 ATOM 225 CG TYR E 342 -18.504 -2.159 167.138 1.00139.87 ATOM 226 CD1 TYR E 342 -18.954 -1.233 166.201 1.00142.81 ATOM 227 CD2 TYR E 342 -17.483 -1.770 167.999 1.00138.97 ATOM 228 CE1 TYR E 342 -18.400 0.044 166.120 1.00142.99 ATOM 229 CE2 TYR E 342 -16.913 -0.499 167.918 1.00138.86 ATOM 230 CZ TYR E 342 -17.376 0.405 166.978 1.00148.00 ATOM 231 OH TYR E 342 -16.807 1.651 166.885 1.00149.13 ATOM 232 N VAL E 343 -21.626 -5.714 167.897 1.00144.15 ATOM 233 CA VAL E 343 -22.423 -6.833 167.366 1.00163.87 ATOM 234 C VAL E 343 -23.880 -6.740 167.892 1.00171.46 ATOM 235 O VAL E 343 -24.576 -5.747 167.657 1.00120.37 ATOM 236 CB VAL E 343 -21.794 -8.239 167.604 1.00166.83 ATOM 237 CG1 VAL E 343 -20.317 -8.281 167.199 1.00163.88 ATOM 238 CG2 VAL E 343 -21.994 -8.728 169.037 1.00167.26 TER