HEADER TRANSPORT PROTEIN 31-DEC-69 4FZ1 TITLE Crystal structure of acid-sensing ion channel in complex with TITLE 2 psalmotoxin 1 at high pH COMPND MOL_ID: 2; COMPND 2 MOLECULE: Pi-theraphotoxin-Pc1a; COMPND 3 CHAIN: D; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.36 ANGSTORMS 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 GLU D 1 REMARK 465 HIS D 14 REMARK 465 GLY D 15 DBREF 4FZ1 D 1 40 UNP P60514 TXP1_PSACA 1 40 SEQRES 1 D 37 GLU ASP CYS ILE PRO LYS TRP LYS GLY CYS VAL ASN ARG SEQRES 2 D 37 HIS GLY ASP CYS CYS GLU GLY LEU GLU CYS TRP LYS ARG SEQRES 3 D 37 ARG ARG SER PHE GLU VAL CYS VAL PRO LYS THR ATOM 1 N ASP D 2 19.258 -46.630 63.268 1.00204.51 ATOM 2 CA ASP D 2 18.189 -46.964 62.329 1.00207.99 ATOM 3 C ASP D 2 17.757 -45.728 61.555 1.00210.51 ATOM 4 O ASP D 2 17.576 -44.662 62.140 1.00212.45 ATOM 5 CB ASP D 2 16.994 -47.568 63.068 1.00206.54 ATOM 6 N CYS D 3 17.566 -45.873 60.246 1.00209.20 ATOM 7 CA CYS D 3 17.177 -44.738 59.409 1.00207.58 ATOM 8 C CYS D 3 15.818 -44.145 59.824 1.00207.92 ATOM 9 O CYS D 3 14.993 -44.829 60.437 1.00209.49 ATOM 10 CB CYS D 3 17.174 -45.128 57.923 1.00204.03 ATOM 11 SG CYS D 3 15.670 -45.953 57.314 1.00257.98 ATOM 12 N ILE D 4 15.613 -42.860 59.521 1.00200.77 ATOM 13 CA ILE D 4 14.332 -42.184 59.766 1.00186.74 ATOM 14 C ILE D 4 13.599 -41.903 58.456 1.00183.00 ATOM 15 O ILE D 4 14.135 -41.251 57.568 1.00179.07 ATOM 16 CB ILE D 4 14.538 -40.895 60.548 1.00177.62 ATOM 17 N PRO D 5 12.359 -42.397 58.339 1.00186.83 ATOM 18 CA PRO D 5 11.576 -42.305 57.100 1.00187.34 ATOM 19 C PRO D 5 11.190 -40.874 56.746 1.00179.49 ATOM 20 O PRO D 5 11.259 -39.984 57.584 1.00173.82 ATOM 21 CB PRO D 5 10.311 -43.108 57.429 1.00190.65 ATOM 22 CG PRO D 5 10.172 -42.997 58.906 1.00190.66 ATOM 23 CD PRO D 5 11.581 -42.983 59.445 1.00189.34 ATOM 24 N LYS D 6 10.781 -40.660 55.503 1.00182.05 ATOM 25 CA LYS D 6 10.264 -39.361 55.109 1.00188.38 ATOM 26 C LYS D 6 9.057 -39.054 55.992 1.00193.84 ATOM 27 O LYS D 6 8.389 -39.972 56.487 1.00191.79 ATOM 28 CB LYS D 6 9.882 -39.345 53.616 1.00183.96 ATOM 29 N TRP D 7 8.814 -37.763 56.211 1.00193.47 ATOM 30 CA TRP D 7 7.628 -37.308 56.919 1.00187.70 ATOM 31 C TRP D 7 7.764 -37.329 58.448 1.00190.68 ATOM 32 O TRP D 7 6.934 -36.770 59.163 1.00191.17 ATOM 33 CB TRP D 7 6.438 -38.152 56.466 1.00183.67 ATOM 34 CG TRP D 7 5.920 -37.777 55.121 1.00184.52 ATOM 35 CD1 TRP D 7 4.678 -38.040 54.630 1.00192.82 ATOM 36 CD2 TRP D 7 6.610 -37.044 54.097 1.00182.27 ATOM 37 NE1 TRP D 7 4.545 -37.525 53.362 1.00195.99 ATOM 38 CE2 TRP D 7 5.715 -36.907 53.011 1.00191.54 ATOM 39 CE3 TRP D 7 7.887 -36.488 53.991 1.00174.37 ATOM 40 CZ2 TRP D 7 6.064 -36.242 51.834 1.00187.84 ATOM 41 CZ3 TRP D 7 8.229 -35.828 52.828 1.00177.50 ATOM 42 CH2 TRP D 7 7.321 -35.710 51.763 1.00182.79 ATOM 43 N LYS D 8 8.819 -37.961 58.946 1.00192.36 ATOM 44 CA LYS D 8 9.002 -38.116 60.387 1.00195.06 ATOM 45 C LYS D 8 9.920 -37.053 60.999 1.00195.50 ATOM 46 O LYS D 8 10.885 -36.619 60.365 1.00197.82 ATOM 47 CB LYS D 8 9.511 -39.511 60.702 1.00197.39 ATOM 48 N GLY D 9 9.616 -36.633 62.226 1.00191.19 ATOM 49 CA GLY D 9 10.403 -35.608 62.895 1.00187.44 ATOM 50 C GLY D 9 11.845 -36.004 63.176 1.00183.48 ATOM 51 O GLY D 9 12.118 -36.979 63.878 1.00180.97 ATOM 52 N CYS D 10 12.769 -35.212 62.642 1.00181.97 ATOM 53 CA CYS D 10 14.197 -35.514 62.704 1.00177.46 ATOM 54 C CYS D 10 14.917 -34.845 63.878 1.00174.03 ATOM 55 O CYS D 10 16.145 -34.898 63.971 1.00162.46 ATOM 56 CB CYS D 10 14.880 -35.174 61.373 1.00174.75 ATOM 57 SG CYS D 10 14.685 -33.478 60.813 1.00326.23 ATOM 58 N VAL D 11 14.145 -34.215 64.762 1.00178.06 ATOM 59 CA VAL D 11 14.687 -33.408 65.857 1.00173.24 ATOM 60 C VAL D 11 15.786 -34.147 66.629 1.00184.95 ATOM 61 O VAL D 11 15.655 -35.335 66.915 1.00187.51 ATOM 62 CB VAL D 11 13.560 -33.002 66.799 1.00152.99 ATOM 63 N ASN D 12 16.867 -33.441 66.959 1.00188.71 ATOM 64 CA ASN D 12 18.048 -34.051 67.586 1.00195.01 ATOM 65 C ASN D 12 18.734 -35.115 66.712 1.00192.20 ATOM 66 O ASN D 12 19.083 -36.204 67.186 1.00184.25 ATOM 67 CB ASN D 12 17.694 -34.633 68.960 1.00202.34 ATOM 68 CG ASN D 12 17.877 -33.636 70.085 1.00206.51 ATOM 69 OD1 ASN D 12 18.971 -33.107 70.291 1.00206.91 ATOM 70 ND2 ASN D 12 16.803 -33.375 70.823 1.00208.46 ATOM 71 N ARG D 13 18.930 -34.783 65.438 1.00192.52 ATOM 72 CA ARG D 13 19.556 -35.694 64.486 1.00186.83 ATOM 73 C ARG D 13 20.339 -34.939 63.410 1.00187.10 ATOM 74 O ARG D 13 19.960 -34.930 62.236 1.00187.75 ATOM 75 CB ARG D 13 18.509 -36.599 63.849 1.00181.66 ATOM 76 N ASP D 16 20.441 -38.937 60.259 1.00196.21 ATOM 77 CA ASP D 16 19.703 -40.142 60.629 1.00198.06 ATOM 78 C ASP D 16 18.403 -40.300 59.836 1.00203.58 ATOM 79 O ASP D 16 17.453 -40.923 60.308 1.00202.23 ATOM 80 CB ASP D 16 19.431 -40.167 62.137 1.00194.28 ATOM 81 N CYS D 17 18.358 -39.711 58.645 1.00211.29 ATOM 82 CA CYS D 17 17.225 -39.889 57.742 1.00218.01 ATOM 83 C CYS D 17 17.364 -41.192 56.967 1.00220.66 ATOM 84 O CYS D 17 18.475 -41.686 56.776 1.00220.82 ATOM 85 CB CYS D 17 17.109 -38.716 56.755 1.00219.70 ATOM 86 SG CYS D 17 16.881 -37.083 57.486 1.00309.80 ATOM 87 N CYS D 18 16.240 -41.738 56.510 1.00222.86 ATOM 88 CA CYS D 18 16.266 -42.885 55.610 1.00224.06 ATOM 89 C CYS D 18 16.866 -42.469 54.270 1.00226.81 ATOM 90 O CYS D 18 16.901 -41.290 53.936 1.00227.60 ATOM 91 CB CYS D 18 14.870 -43.489 55.427 1.00221.16 ATOM 92 SG CYS D 18 14.298 -44.501 56.826 1.00449.75 ATOM 93 N GLU D 19 17.348 -43.448 53.515 1.00230.45 ATOM 94 CA GLU D 19 18.054 -43.197 52.266 1.00231.64 ATOM 95 C GLU D 19 17.253 -42.313 51.317 1.00224.95 ATOM 96 O GLU D 19 16.090 -42.597 51.026 1.00224.91 ATOM 97 CB GLU D 19 18.369 -44.532 51.585 1.00238.75 ATOM 98 CG GLU D 19 18.814 -44.423 50.137 1.00243.96 ATOM 99 CD GLU D 19 18.338 -45.595 49.300 1.00247.85 ATOM 100 OE1 GLU D 19 17.187 -46.040 49.508 1.00251.89 ATOM 101 OE2 GLU D 19 19.108 -46.072 48.438 1.00245.62 ATOM 102 N GLY D 20 17.888 -41.246 50.835 1.00219.55 ATOM 103 CA GLY D 20 17.288 -40.367 49.843 1.00214.18 ATOM 104 C GLY D 20 16.761 -39.040 50.366 1.00206.07 ATOM 105 O GLY D 20 16.319 -38.196 49.589 1.00207.19 ATOM 106 N LEU D 21 16.813 -38.853 51.680 1.00197.61 ATOM 107 CA LEU D 21 16.175 -37.713 52.322 1.00185.21 ATOM 108 C LEU D 21 17.178 -36.853 53.074 1.00190.34 ATOM 109 O LEU D 21 18.226 -37.338 53.501 1.00197.69 ATOM 110 CB LEU D 21 15.127 -38.198 53.321 1.00171.41 ATOM 111 CG LEU D 21 14.213 -39.336 52.887 1.00169.27 ATOM 112 CD1 LEU D 21 13.568 -39.946 54.120 1.00171.21 ATOM 113 CD2 LEU D 21 13.173 -38.863 51.883 1.00164.09 ATOM 114 N GLU D 22 16.850 -35.576 53.238 1.00186.87 ATOM 115 CA GLU D 22 17.648 -34.684 54.067 1.00186.58 ATOM 116 C GLU D 22 16.751 -34.078 55.148 1.00186.64 ATOM 117 O GLU D 22 15.580 -33.787 54.891 1.00186.83 ATOM 118 CB GLU D 22 18.293 -33.597 53.211 1.00189.03 ATOM 119 CG GLU D 22 17.309 -32.572 52.689 1.00199.22 ATOM 120 CD GLU D 22 17.833 -31.850 51.471 1.00209.16 ATOM 121 OE1 GLU D 22 18.669 -32.453 50.756 1.00213.76 ATOM 122 OE2 GLU D 22 17.413 -30.690 51.236 1.00206.21 ATOM 123 N CYS D 23 17.295 -33.907 56.355 1.00184.75 ATOM 124 CA CYS D 23 16.523 -33.390 57.488 1.00181.73 ATOM 125 C CYS D 23 16.507 -31.868 57.517 1.00175.09 ATOM 126 O CYS D 23 17.542 -31.228 57.721 1.00176.57 ATOM 127 CB CYS D 23 17.068 -33.936 58.811 1.00186.27 ATOM 128 SG CYS D 23 16.609 -32.990 60.308 1.00156.98 ATOM 129 N TRP D 24 15.308 -31.310 57.367 1.00166.76 ATOM 130 CA TRP D 24 15.119 -29.906 57.046 1.00156.53 ATOM 131 C TRP D 24 14.246 -29.181 58.037 1.00149.34 ATOM 132 O TRP D 24 13.147 -29.630 58.339 1.00143.95 ATOM 133 CB TRP D 24 14.443 -29.810 55.698 1.00158.08 ATOM 134 CG TRP D 24 13.722 -28.529 55.490 1.00157.17 ATOM 135 CD1 TRP D 24 14.201 -27.279 55.729 1.00159.68 ATOM 136 CD2 TRP D 24 12.402 -28.360 54.952 1.00157.17 ATOM 137 NE1 TRP D 24 13.258 -26.342 55.385 1.00164.79 ATOM 138 CE2 TRP D 24 12.146 -26.983 54.902 1.00161.09 ATOM 139 CE3 TRP D 24 11.411 -29.241 54.511 1.00153.23 ATOM 140 CZ2 TRP D 24 10.940 -26.466 54.430 1.00154.54 ATOM 141 CZ3 TRP D 24 10.209 -28.716 54.042 1.00145.39 ATOM 142 CH2 TRP D 24 9.991 -27.353 54.004 1.00144.08 ATOM 143 N LYS D 25 14.726 -28.033 58.503 1.00153.26 ATOM 144 CA LYS D 25 14.002 -27.230 59.474 1.00149.84 ATOM 145 C LYS D 25 12.932 -26.406 58.778 1.00151.83 ATOM 146 O LYS D 25 13.252 -25.536 57.974 1.00154.59 ATOM 147 CB LYS D 25 14.982 -26.312 60.202 1.00144.62 ATOM 148 CG LYS D 25 14.337 -25.127 60.850 1.00152.45 ATOM 149 CD LYS D 25 13.280 -25.530 61.862 1.00159.80 ATOM 150 CE LYS D 25 12.612 -24.285 62.437 1.00169.19 ATOM 151 NZ LYS D 25 11.450 -24.612 63.308 1.00175.54 ATOM 152 N ARG D 26 11.668 -26.666 59.115 1.00155.42 ATOM 153 CA ARG D 26 10.536 -25.961 58.506 1.00164.62 ATOM 154 C ARG D 26 10.341 -24.586 59.135 1.00161.07 ATOM 155 O ARG D 26 10.693 -24.369 60.293 1.00158.03 ATOM 156 CB ARG D 26 9.233 -26.768 58.633 1.00168.04 ATOM 157 CG ARG D 26 9.177 -28.078 57.839 1.00167.02 ATOM 158 CD ARG D 26 7.882 -28.830 58.114 1.00162.96 ATOM 159 NE ARG D 26 7.878 -29.418 59.451 1.00161.62 ATOM 160 CZ ARG D 26 6.785 -29.732 60.142 1.00157.95 ATOM 161 NH1 ARG D 26 5.580 -29.511 59.636 1.00154.01 ATOM 162 NH2 ARG D 26 6.901 -30.268 61.350 1.00154.81 ATOM 163 N ARG D 27 9.764 -23.664 58.374 1.00156.91 ATOM 164 CA ARG D 27 9.551 -22.314 58.866 1.00161.33 ATOM 165 C ARG D 27 8.746 -22.273 60.165 1.00163.30 ATOM 166 O ARG D 27 9.259 -21.838 61.194 1.00164.89 ATOM 167 CB ARG D 27 8.888 -21.444 57.797 1.00172.81 ATOM 168 CG ARG D 27 9.727 -21.211 56.546 1.00177.14 ATOM 169 CD ARG D 27 9.122 -20.105 55.690 1.00175.11 ATOM 170 NE ARG D 27 9.895 -19.834 54.479 1.00177.23 ATOM 171 CZ ARG D 27 9.648 -18.829 53.640 1.00182.13 ATOM 172 NH1 ARG D 27 8.645 -17.984 53.870 1.00183.99 ATOM 173 NH2 ARG D 27 10.408 -18.665 52.566 1.00182.68 ATOM 174 N ARG D 28 7.495 -22.729 60.121 1.00165.40 ATOM 175 CA ARG D 28 6.587 -22.589 61.263 1.00165.75 ATOM 176 C ARG D 28 6.640 -23.739 62.267 1.00163.10 ATOM 177 O ARG D 28 5.864 -23.762 63.214 1.00166.31 ATOM 178 CB ARG D 28 5.138 -22.384 60.807 1.00166.98 ATOM 179 CG ARG D 28 4.876 -21.081 60.075 1.00167.80 ATOM 180 CD ARG D 28 3.483 -20.556 60.358 1.00173.84 ATOM 181 NE ARG D 28 3.555 -19.256 61.024 1.00184.19 ATOM 182 CZ ARG D 28 2.514 -18.460 61.261 1.00186.77 ATOM 183 NH1 ARG D 28 1.291 -18.821 60.888 1.00192.31 ATOM 184 NH2 ARG D 28 2.699 -17.297 61.873 1.00179.48 ATOM 185 N SER D 29 7.546 -24.691 62.080 1.00157.63 ATOM 186 CA SER D 29 7.559 -25.850 62.962 1.00151.54 ATOM 187 C SER D 29 8.833 -26.674 62.886 1.00154.39 ATOM 188 O SER D 29 9.723 -26.400 62.090 1.00153.48 ATOM 189 CB SER D 29 6.374 -26.751 62.642 1.00149.06 ATOM 190 OG SER D 29 6.041 -27.569 63.740 1.00144.81 ATOM 191 N PHE D 30 8.879 -27.718 63.707 1.00160.43 ATOM 192 CA PHE D 30 10.064 -28.561 63.890 1.00162.80 ATOM 193 C PHE D 30 10.600 -29.196 62.596 1.00164.49 ATOM 194 O PHE D 30 9.859 -29.447 61.641 1.00158.56 ATOM 195 CB PHE D 30 9.775 -29.667 64.922 1.00157.02 ATOM 196 CG PHE D 30 8.627 -30.570 64.534 1.00154.90 ATOM 197 CD1 PHE D 30 8.835 -31.675 63.730 1.00148.51 ATOM 198 CD2 PHE D 30 7.333 -30.295 64.953 1.00154.97 ATOM 199 CE1 PHE D 30 7.777 -32.496 63.359 1.00143.36 ATOM 200 CE2 PHE D 30 6.269 -31.118 64.580 1.00148.66 ATOM 201 CZ PHE D 30 6.497 -32.216 63.778 1.00141.94 ATOM 202 N GLU D 31 11.905 -29.434 62.588 1.00170.78 ATOM 203 CA GLU D 31 12.604 -30.042 61.465 1.00178.93 ATOM 204 C GLU D 31 12.158 -31.480 61.236 1.00182.88 ATOM 205 O GLU D 31 11.846 -32.194 62.189 1.00185.70 ATOM 206 CB GLU D 31 14.114 -29.991 61.709 1.00181.35 ATOM 207 CG GLU D 31 14.509 -30.227 63.157 1.00186.23 ATOM 208 CD GLU D 31 13.927 -29.186 64.096 1.00195.66 ATOM 209 OE1 GLU D 31 13.136 -29.564 64.985 1.00197.61 ATOM 210 OE2 GLU D 31 14.245 -27.987 63.936 1.00199.92 ATOM 211 N VAL D 32 12.138 -31.897 59.969 1.00180.48 ATOM 212 CA VAL D 32 11.697 -33.239 59.587 1.00174.60 ATOM 213 C VAL D 32 12.439 -33.740 58.351 1.00179.75 ATOM 214 O VAL D 32 12.868 -32.932 57.521 1.00187.56 ATOM 215 CB VAL D 32 10.210 -33.245 59.255 1.00165.89 ATOM 216 CG1 VAL D 32 9.409 -32.789 60.449 1.00165.50 ATOM 217 CG2 VAL D 32 9.944 -32.351 58.059 1.00160.06 ATOM 218 N CYS D 33 12.575 -35.064 58.219 1.00173.64 ATOM 219 CA CYS D 33 13.245 -35.659 57.050 1.00169.24 ATOM 220 C CYS D 33 12.367 -35.664 55.795 1.00167.40 ATOM 221 O CYS D 33 11.195 -36.047 55.840 1.00165.74 ATOM 222 CB CYS D 33 13.757 -37.074 57.336 1.00163.92 ATOM 223 SG CYS D 33 15.116 -37.153 58.527 1.00185.45 ATOM 224 N VAL D 34 12.948 -35.226 54.680 1.00162.88 ATOM 225 CA VAL D 34 12.220 -35.083 53.428 1.00157.12 ATOM 226 C VAL D 34 13.198 -35.318 52.276 1.00159.57 ATOM 227 O VAL D 34 14.396 -35.420 52.513 1.00140.50 ATOM 228 CB VAL D 34 11.616 -33.665 53.324 1.00154.10 ATOM 229 CG1 VAL D 34 10.966 -33.262 54.642 1.00147.88 ATOM 230 CG2 VAL D 34 12.691 -32.648 52.947 1.00156.56 ATOM 231 N PRO D 35 12.694 -35.359 51.025 1.00161.95 ATOM 232 CA PRO D 35 13.462 -35.678 49.810 1.00166.95 ATOM 233 C PRO D 35 14.627 -34.748 49.499 1.00179.25 ATOM 234 O PRO D 35 14.462 -33.532 49.497 1.00181.46 ATOM 235 CB PRO D 35 12.418 -35.547 48.702 1.00161.88 ATOM 236 CG PRO D 35 11.159 -35.872 49.350 1.00160.85 ATOM 237 CD PRO D 35 11.252 -35.293 50.735 1.00161.76 ATOM 238 N LYS D 36 15.788 -35.330 49.216 1.00192.58 ATOM 239 CA LYS D 36 16.960 -34.563 48.832 1.00207.18 ATOM 240 C LYS D 36 16.591 -33.656 47.661 1.00230.46 ATOM 241 O LYS D 36 15.840 -34.053 46.762 1.00232.69 ATOM 242 CB LYS D 36 18.105 -35.497 48.459 1.00206.26 ATOM 243 N THR D 37 17.120 -32.436 47.681 1.00249.32 ATOM 244 CA THR D 37 16.712 -31.401 46.739 1.00266.50 ATOM 245 C THR D 37 17.906 -30.813 45.993 1.00291.15 ATOM 246 O THR D 37 18.983 -30.655 46.569 1.00292.59 ATOM 247 CB THR D 37 15.990 -30.254 47.478 1.00256.25 ATOM 248 OG1 THR D 37 15.296 -30.775 48.618 1.00249.08 ATOM 249 CG2 THR D 37 15.001 -29.548 46.554 1.00256.79 TER