HEADER TRANSFERASE 13-APR-13 4BIU TITLE Crystal structure of CpxAHDC (orthorhombic form 1) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SENSOR PROTEIN CPXA; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 EC: 2.7.13.3; COMPND 5 FRAGMENT: CYTOPLASMIC REGION, RESIDUES ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.65 ANGSTORMS DBREF 4BIU F 188 457 UNP P0AE82 CPXA_ECOLI 188 457 SEQRES 1 F 70 LEU GLU ARG MET MET THR SER GLN GLN ARG LEU LEU SER SEQRES 2 F 70 ASP ILE SER HIS GLU LEU ARG THR PRO LEU THR ARG LEU SEQRES 3 F 70 GLN LEU GLY THR ALA LEU LEU ARG ARG ARG SER GLY GLU SEQRES 4 F 70 SER LYS GLU LEU GLU ARG ILE GLU THR GLU ALA GLN ARG SEQRES 5 F 70 LEU ASP SER MET ILE ASN ASP LEU LEU VAL MET SER ARG SEQRES 6 F 70 ASN GLN GLN LYS ASN ATOM 1 N LEU F 232 46.831 51.424 61.337 1.00235.01 ATOM 2 CA LEU F 232 46.925 50.132 60.653 1.00238.10 ATOM 3 C LEU F 232 45.895 49.160 61.177 1.00225.26 ATOM 4 O LEU F 232 45.295 48.469 60.362 1.00198.49 ATOM 5 CB LEU F 232 48.303 49.498 60.764 1.00240.93 ATOM 6 CG LEU F 232 49.361 50.066 59.830 1.00237.12 ATOM 7 CD1 LEU F 232 50.730 49.789 60.375 1.00232.32 ATOM 8 CD2 LEU F 232 49.202 49.535 58.391 1.00237.13 ATOM 9 N GLU F 233 45.673 49.112 62.521 1.00230.79 ATOM 10 CA GLU F 233 44.659 48.273 63.155 1.00226.39 ATOM 11 C GLU F 233 43.283 48.636 62.597 1.00221.49 ATOM 12 O GLU F 233 42.600 47.729 62.146 1.00224.77 ATOM 13 CB GLU F 233 44.687 48.397 64.682 1.00239.28 ATOM 14 CG GLU F 233 43.823 47.350 65.371 1.00250.52 ATOM 15 CD GLU F 233 43.192 47.794 66.676 1.00267.80 ATOM 16 OE1 GLU F 233 43.941 47.995 67.659 1.00279.42 ATOM 17 OE2 GLU F 233 41.948 47.928 66.721 1.00267.15 ATOM 18 N ARG F 234 42.923 49.943 62.543 1.00221.59 ATOM 19 CA ARG F 234 41.653 50.431 61.987 1.00222.72 ATOM 20 C ARG F 234 41.512 50.124 60.481 1.00220.74 ATOM 21 O ARG F 234 40.393 49.917 60.009 1.00207.85 ATOM 22 CB ARG F 234 41.480 51.936 62.221 1.00226.44 ATOM 23 CG ARG F 234 40.991 52.269 63.625 1.00236.45 ATOM 24 CD ARG F 234 40.754 53.754 63.793 1.00251.18 ATOM 25 NE ARG F 234 39.961 54.043 64.989 1.00259.45 ATOM 26 CZ ARG F 234 40.471 54.420 66.157 1.00259.34 ATOM 27 NH1 ARG F 234 41.780 54.565 66.301 1.00248.23 ATOM 28 NH2 ARG F 234 39.674 54.664 67.187 1.00264.85 ATOM 29 N MET F 235 42.640 50.074 59.743 1.00229.53 ATOM 30 CA MET F 235 42.681 49.799 58.300 1.00228.17 ATOM 31 C MET F 235 42.594 48.306 57.958 1.00224.77 ATOM 32 O MET F 235 41.999 47.956 56.938 1.00217.32 ATOM 33 CB MET F 235 43.937 50.398 57.668 1.00226.71 ATOM 34 CG MET F 235 43.807 51.884 57.459 1.00230.37 ATOM 35 SD MET F 235 45.120 52.596 56.459 1.00286.79 ATOM 36 CE MET F 235 46.350 52.903 57.726 1.00233.40 ATOM 37 N MET F 236 43.194 47.435 58.786 1.00224.54 ATOM 38 CA MET F 236 43.179 46.000 58.547 1.00216.70 ATOM 39 C MET F 236 41.915 45.351 59.073 1.00211.77 ATOM 40 O MET F 236 41.348 44.506 58.384 1.00217.91 ATOM 41 CB MET F 236 44.407 45.324 59.159 1.00221.84 ATOM 42 CG MET F 236 45.628 45.378 58.275 1.00222.90 ATOM 43 SD MET F 236 46.098 43.766 57.590 1.00300.00 ATOM 44 CE MET F 236 46.395 42.808 59.120 1.00204.53 ATOM 45 N THR F 237 41.463 45.745 60.280 1.00213.34 ATOM 46 CA THR F 237 40.266 45.196 60.932 1.00225.62 ATOM 47 C THR F 237 38.996 45.556 60.172 1.00228.34 ATOM 48 O THR F 237 38.030 44.815 60.291 1.00229.81 ATOM 49 CB THR F 237 40.148 45.611 62.392 1.00235.05 ATOM 50 OG1 THR F 237 40.197 47.046 62.468 1.00242.47 ATOM 51 CG2 THR F 237 41.218 44.932 63.280 1.00236.45 ATOM 52 N SER F 238 38.996 46.645 59.381 1.00227.99 ATOM 53 CA SER F 238 37.838 47.028 58.566 1.00222.77 ATOM 54 C SER F 238 37.582 45.974 57.452 1.00212.94 ATOM 55 O SER F 238 36.441 45.551 57.240 1.00205.76 ATOM 56 CB SER F 238 38.046 48.419 57.968 1.00225.93 ATOM 57 OG SER F 238 39.100 48.410 57.018 1.00225.25 ATOM 58 N GLN F 239 38.668 45.540 56.774 1.00214.31 ATOM 59 CA GLN F 239 38.655 44.507 55.730 1.00214.49 ATOM 60 C GLN F 239 38.316 43.135 56.328 1.00204.98 ATOM 61 O GLN F 239 37.544 42.395 55.728 1.00163.09 ATOM 62 CB GLN F 239 40.003 44.416 55.007 1.00228.96 ATOM 63 CG GLN F 239 40.390 45.670 54.241 1.00253.96 ATOM 64 CD GLN F 239 41.807 45.651 53.730 1.00276.77 ATOM 65 OE1 GLN F 239 42.722 45.049 54.310 1.00280.82 ATOM 66 NE2 GLN F 239 42.056 46.409 52.680 1.00287.38 ATOM 67 N GLN F 240 38.864 42.816 57.529 1.00199.22 ATOM 68 CA GLN F 240 38.605 41.545 58.217 1.00194.51 ATOM 69 C GLN F 240 37.177 41.469 58.732 1.00197.36 ATOM 70 O GLN F 240 36.585 40.390 58.672 1.00201.18 ATOM 71 CB GLN F 240 39.578 41.292 59.365 1.00204.06 ATOM 72 CG GLN F 240 40.975 40.902 58.887 1.00222.31 ATOM 73 CD GLN F 240 42.010 40.951 59.978 1.00245.86 ATOM 74 OE1 GLN F 240 41.725 41.203 61.157 1.00257.62 ATOM 75 NE2 GLN F 240 43.261 40.749 59.606 1.00250.65 ATOM 76 N ARG F 241 36.609 42.610 59.206 1.00198.27 ATOM 77 CA ARG F 241 35.223 42.702 59.679 1.00202.32 ATOM 78 C ARG F 241 34.292 42.422 58.532 1.00188.29 ATOM 79 O ARG F 241 33.256 41.776 58.718 1.00171.49 ATOM 80 CB ARG F 241 34.910 44.079 60.278 1.00215.89 ATOM 81 CG ARG F 241 33.612 44.096 61.085 1.00223.68 ATOM 82 CD ARG F 241 33.749 44.861 62.382 1.00234.28 ATOM 83 NE ARG F 241 34.772 44.282 63.255 1.00237.51 ATOM 84 CZ ARG F 241 34.819 44.442 64.572 1.00243.14 ATOM 85 NH1 ARG F 241 33.898 45.166 65.193 1.00243.72 ATOM 86 NH2 ARG F 241 35.786 43.877 65.281 1.00248.84 ATOM 87 N LEU F 242 34.680 42.893 57.331 1.00190.03 ATOM 88 CA LEU F 242 33.919 42.618 56.127 1.00176.20 ATOM 89 C LEU F 242 33.723 41.109 55.987 1.00162.51 ATOM 90 O LEU F 242 32.579 40.696 55.843 1.00155.28 ATOM 91 CB LEU F 242 34.596 43.209 54.866 1.00175.63 ATOM 92 CG LEU F 242 33.947 42.865 53.531 1.00172.04 ATOM 93 CD1 LEU F 242 32.595 43.500 53.414 1.00170.12 ATOM 94 CD2 LEU F 242 34.824 43.279 52.389 1.00172.95 ATOM 95 N LEU F 243 34.818 40.300 56.088 1.00163.96 ATOM 96 CA LEU F 243 34.801 38.829 56.015 1.00170.52 ATOM 97 C LEU F 243 33.909 38.213 57.063 1.00172.74 ATOM 98 O LEU F 243 33.091 37.365 56.715 1.00178.96 ATOM 99 CB LEU F 243 36.211 38.226 56.172 1.00186.32 ATOM 100 CG LEU F 243 37.121 38.295 54.958 1.00196.65 ATOM 101 CD1 LEU F 243 38.533 37.974 55.345 1.00206.61 ATOM 102 CD2 LEU F 243 36.672 37.324 53.894 1.00186.01 ATOM 103 N SER F 244 34.057 38.641 58.342 1.00167.52 ATOM 104 CA SER F 244 33.242 38.109 59.434 1.00171.84 ATOM 105 C SER F 244 31.776 38.465 59.259 1.00177.04 ATOM 106 O SER F 244 30.921 37.647 59.597 1.00169.42 ATOM 107 CB SER F 244 33.733 38.598 60.795 1.00165.77 ATOM 108 OG SER F 244 33.334 39.925 61.079 1.00170.02 ATOM 109 N ASP F 245 31.471 39.658 58.692 1.00184.17 ATOM 110 CA ASP F 245 30.083 40.063 58.480 1.00185.77 ATOM 111 C ASP F 245 29.455 39.264 57.351 1.00174.68 ATOM 112 O ASP F 245 28.343 38.773 57.533 1.00174.42 ATOM 113 CB ASP F 245 29.948 41.568 58.258 1.00193.76 ATOM 114 CG ASP F 245 30.232 42.353 59.521 1.00198.64 ATOM 115 OD1 ASP F 245 29.933 41.835 60.630 1.00195.24 ATOM 116 OD2 ASP F 245 30.760 43.477 59.412 1.00201.33 ATOM 117 N ILE F 246 30.181 39.056 56.234 1.00152.30 ATOM 118 CA ILE F 246 29.691 38.232 55.118 1.00168.03 ATOM 119 C ILE F 246 29.447 36.817 55.643 1.00159.03 ATOM 120 O ILE F 246 28.404 36.242 55.353 1.00151.54 ATOM 121 CB ILE F 246 30.678 38.240 53.919 1.00163.35 ATOM 122 CG1 ILE F 246 30.732 39.607 53.213 1.00148.71 ATOM 123 CG2 ILE F 246 30.385 37.087 52.934 1.00143.60 ATOM 124 CD1 ILE F 246 32.003 39.819 52.491 1.00149.39 ATOM 125 N SER F 247 30.399 36.292 56.437 1.00156.75 ATOM 126 CA SER F 247 30.314 34.955 57.017 1.00162.89 ATOM 127 C SER F 247 29.101 34.802 57.933 1.00170.90 ATOM 128 O SER F 247 28.401 33.807 57.794 1.00179.09 ATOM 129 CB SER F 247 31.580 34.604 57.777 1.00174.08 ATOM 130 OG SER F 247 32.757 34.820 57.026 1.00181.00 ATOM 131 N HIS F 248 28.786 35.798 58.795 1.00170.35 ATOM 132 CA HIS F 248 27.607 35.729 59.671 1.00172.26 ATOM 133 C HIS F 248 26.309 35.835 58.880 1.00171.96 ATOM 134 O HIS F 248 25.338 35.142 59.218 1.00169.86 ATOM 135 CB HIS F 248 27.655 36.808 60.749 1.00176.02 ATOM 136 CG HIS F 248 28.625 36.504 61.845 1.00188.47 ATOM 137 ND1 HIS F 248 29.981 36.665 61.646 1.00194.01 ATOM 138 CD2 HIS F 248 28.419 36.090 63.113 1.00198.04 ATOM 139 CE1 HIS F 248 30.561 36.348 62.807 1.00196.67 ATOM 140 NE2 HIS F 248 29.637 35.979 63.714 1.00199.53 ATOM 141 N GLU F 249 26.312 36.659 57.798 1.00168.83 ATOM 142 CA GLU F 249 25.149 36.815 56.911 1.00170.88 ATOM 143 C GLU F 249 24.896 35.562 56.076 1.00168.42 ATOM 144 O GLU F 249 23.744 35.286 55.741 1.00166.28 ATOM 145 CB GLU F 249 25.291 38.024 55.995 1.00179.97 ATOM 146 CG GLU F 249 25.020 39.344 56.708 1.00194.13 ATOM 147 CD GLU F 249 23.665 39.554 57.362 1.00206.56 ATOM 148 OE1 GLU F 249 22.678 38.895 56.955 1.00210.79 ATOM 149 OE2 GLU F 249 23.593 40.386 58.293 1.00208.32 ATOM 150 N LEU F 250 25.960 34.794 55.777 1.00172.35 ATOM 151 CA LEU F 250 25.894 33.515 55.046 1.00171.44 ATOM 152 C LEU F 250 25.417 32.372 55.924 1.00171.37 ATOM 153 O LEU F 250 24.742 31.487 55.411 1.00156.81 ATOM 154 CB LEU F 250 27.263 33.141 54.451 1.00138.69 ATOM 155 CG LEU F 250 27.662 33.914 53.202 1.00137.50 ATOM 156 CD1 LEU F 250 29.097 33.647 52.832 1.00137.28 ATOM 157 CD2 LEU F 250 26.770 33.570 52.029 1.00134.50 ATOM 158 N ARG F 251 25.762 32.398 57.232 1.00183.22 ATOM 159 CA ARG F 251 25.437 31.390 58.252 1.00181.98 ATOM 160 C ARG F 251 23.957 31.107 58.374 1.00169.01 ATOM 161 O ARG F 251 23.532 29.954 58.311 1.00164.13 ATOM 162 CB ARG F 251 25.911 31.869 59.634 1.00196.06 ATOM 163 CG ARG F 251 27.162 31.211 60.165 1.00204.26 ATOM 164 CD ARG F 251 27.285 31.605 61.620 1.00220.31 ATOM 165 NE ARG F 251 28.558 31.229 62.229 1.00232.87 ATOM 166 CZ ARG F 251 29.027 31.757 63.356 1.00247.94 ATOM 167 NH1 ARG F 251 28.341 32.694 63.995 1.00254.67 ATOM 168 NH2 ARG F 251 30.199 31.368 63.841 1.00252.93 ATOM 169 N THR F 252 23.183 32.180 58.582 1.00169.42 ATOM 170 CA THR F 252 21.757 32.146 58.856 1.00178.14 ATOM 171 C THR F 252 20.894 31.456 57.784 1.00178.91 ATOM 172 O THR F 252 20.136 30.596 58.230 1.00183.25 ATOM 173 CB THR F 252 21.186 33.519 59.185 1.00216.12 ATOM 174 OG1 THR F 252 21.598 34.464 58.197 1.00214.12 ATOM 175 CG2 THR F 252 21.607 34.005 60.570 1.00218.89 ATOM 176 N PRO F 253 20.907 31.750 56.449 1.00178.06 ATOM 177 CA PRO F 253 19.975 31.044 55.540 1.00173.50 ATOM 178 C PRO F 253 20.344 29.578 55.341 1.00171.41 ATOM 179 O PRO F 253 19.457 28.744 55.162 1.00166.84 ATOM 180 CB PRO F 253 20.093 31.824 54.237 1.00168.68 ATOM 181 CG PRO F 253 21.438 32.377 54.270 1.00177.16 ATOM 182 CD PRO F 253 21.711 32.727 55.693 1.00181.51 ATOM 183 N LEU F 254 21.652 29.279 55.396 1.00173.01 ATOM 184 CA LEU F 254 22.182 27.926 55.277 1.00165.25 ATOM 185 C LEU F 254 21.659 27.056 56.416 1.00162.97 ATOM 186 O LEU F 254 21.326 25.905 56.173 1.00167.86 ATOM 187 CB LEU F 254 23.728 28.007 55.296 1.00170.24 ATOM 188 CG LEU F 254 24.578 26.810 54.983 1.00169.96 ATOM 189 CD1 LEU F 254 25.038 26.127 56.239 1.00177.89 ATOM 190 CD2 LEU F 254 23.990 25.915 53.918 1.00167.49 ATOM 191 N THR F 255 21.552 27.622 57.635 1.00161.09 ATOM 192 CA THR F 255 21.023 26.931 58.815 1.00165.86 ATOM 193 C THR F 255 19.531 26.647 58.620 1.00174.86 ATOM 194 O THR F 255 19.074 25.553 58.952 1.00174.71 ATOM 195 CB THR F 255 21.288 27.728 60.090 1.00164.39 ATOM 196 OG1 THR F 255 22.686 28.014 60.164 1.00168.94 ATOM 197 CG2 THR F 255 20.864 26.966 61.353 1.00163.15 ATOM 198 N ARG F 256 18.785 27.616 58.053 1.00180.46 ATOM 199 CA ARG F 256 17.354 27.464 57.773 1.00184.26 ATOM 200 C ARG F 256 17.152 26.388 56.718 1.00180.76 ATOM 201 O ARG F 256 16.192 25.624 56.808 1.00178.37 ATOM 202 CB ARG F 256 16.710 28.774 57.324 1.00181.65 ATOM 203 CG ARG F 256 16.710 29.872 58.381 1.00190.26 ATOM 204 CD ARG F 256 15.866 31.043 57.929 1.00197.17 ATOM 205 NE ARG F 256 16.474 31.763 56.807 1.00201.31 ATOM 206 CZ ARG F 256 17.001 32.974 56.904 1.00201.98 ATOM 207 NH1 ARG F 256 16.973 33.625 58.058 1.00196.75 ATOM 208 NH2 ARG F 256 17.530 33.562 55.840 1.00200.77 ATOM 209 N LEU F 257 18.089 26.314 55.739 1.00174.96 ATOM 210 CA LEU F 257 18.106 25.315 54.674 1.00159.71 ATOM 211 C LEU F 257 18.331 23.936 55.281 1.00156.69 ATOM 212 O LEU F 257 17.586 23.009 54.964 1.00151.94 ATOM 213 CB LEU F 257 19.197 25.637 53.622 1.00155.50 ATOM 214 CG LEU F 257 19.168 24.801 52.337 1.00158.80 ATOM 215 CD1 LEU F 257 19.556 25.636 51.145 1.00169.53 ATOM 216 CD2 LEU F 257 20.056 23.568 52.455 1.00148.57 ATOM 217 N GLN F 258 19.348 23.817 56.166 1.00171.53 ATOM 218 CA GLN F 258 19.708 22.576 56.856 1.00186.75 ATOM 219 C GLN F 258 18.564 22.111 57.748 1.00190.15 ATOM 220 O GLN F 258 18.385 20.906 57.920 1.00191.63 ATOM 221 CB GLN F 258 20.990 22.742 57.677 1.00197.58 ATOM 222 CG GLN F 258 22.261 22.803 56.833 1.00189.81 ATOM 223 CD GLN F 258 23.484 23.062 57.677 1.00189.17 ATOM 224 OE1 GLN F 258 23.568 24.036 58.419 1.00189.87 ATOM 225 NE2 GLN F 258 24.471 22.188 57.586 1.00185.07 ATOM 226 N LEU F 259 17.760 23.061 58.267 1.00191.39 ATOM 227 CA LEU F 259 16.588 22.763 59.081 1.00200.47 ATOM 228 C LEU F 259 15.482 22.186 58.205 1.00202.16 ATOM 229 O LEU F 259 14.839 21.215 58.605 1.00199.58 ATOM 230 CB LEU F 259 16.100 24.010 59.832 1.00204.62 ATOM 231 CG LEU F 259 14.816 23.838 60.680 1.00218.12 ATOM 232 CD1 LEU F 259 15.009 22.843 61.829 1.00222.10 ATOM 233 CD2 LEU F 259 14.317 25.160 61.187 1.00229.43 ATOM 234 N GLY F 260 15.292 22.778 57.017 1.00203.32 ATOM 235 CA GLY F 260 14.299 22.358 56.039 1.00205.09 ATOM 236 C GLY F 260 14.491 20.923 55.596 1.00199.11 ATOM 237 O GLY F 260 13.548 20.127 55.615 1.00206.46 ATOM 238 N THR F 261 15.742 20.580 55.256 1.00188.33 ATOM 239 CA THR F 261 16.124 19.237 54.821 1.00185.85 ATOM 240 C THR F 261 15.893 18.218 55.937 1.00207.60 ATOM 241 O THR F 261 15.441 17.116 55.642 1.00214.52 ATOM 242 CB THR F 261 17.579 19.187 54.362 1.00181.11 ATOM 243 OG1 THR F 261 18.424 19.468 55.481 1.00172.78 ATOM 244 CG2 THR F 261 17.880 20.141 53.202 1.00187.09 ATOM 245 N ALA F 262 16.198 18.597 57.200 1.00216.77 ATOM 246 CA ALA F 262 16.011 17.761 58.394 1.00221.88 ATOM 247 C ALA F 262 14.539 17.434 58.596 1.00229.82 ATOM 248 O ALA F 262 14.213 16.309 58.972 1.00238.29 ATOM 249 CB ALA F 262 16.565 18.462 59.626 1.00215.07 ATOM 250 N LEU F 263 13.652 18.401 58.292 1.00227.54 ATOM 251 CA LEU F 263 12.204 18.241 58.398 1.00223.57 ATOM 252 C LEU F 263 11.672 17.340 57.289 1.00211.14 ATOM 253 O LEU F 263 10.665 16.668 57.496 1.00207.43 ATOM 254 CB LEU F 263 11.489 19.597 58.401 1.00229.85 ATOM 255 CG LEU F 263 11.671 20.397 59.692 1.00241.22 ATOM 256 CD1 LEU F 263 11.543 21.885 59.463 1.00245.18 ATOM 257 CD2 LEU F 263 10.726 19.919 60.767 1.00242.36 ATOM 258 N LEU F 264 12.379 17.287 56.141 1.00208.98 ATOM 259 CA LEU F 264 12.018 16.433 55.010 1.00215.91 ATOM 260 C LEU F 264 12.343 14.986 55.293 1.00221.83 ATOM 261 O LEU F 264 11.515 14.133 54.994 1.00236.15 ATOM 262 CB LEU F 264 12.689 16.863 53.710 1.00224.41 ATOM 263 CG LEU F 264 11.806 17.606 52.712 1.00231.15 ATOM 264 CD1 LEU F 264 12.574 17.935 51.480 1.00237.74 ATOM 265 CD2 LEU F 264 10.550 16.807 52.345 1.00224.91 ATOM 266 N ARG F 265 13.503 14.706 55.940 1.00256.85 ATOM 267 CA ARG F 265 13.898 13.345 56.322 1.00246.10 ATOM 268 C ARG F 265 12.949 12.783 57.395 1.00244.71 ATOM 269 O ARG F 265 12.882 11.569 57.589 1.00243.89 ATOM 270 CB ARG F 265 15.350 13.290 56.805 1.00239.43 ATOM 271 CG ARG F 265 15.925 11.877 56.749 1.00236.15 ATOM 272 CD ARG F 265 17.283 11.776 57.389 1.00232.79 ATOM 273 NE ARG F 265 18.337 11.982 56.400 1.00231.32 ATOM 274 CZ ARG F 265 18.922 13.149 56.167 1.00235.50 ATOM 275 NH1 ARG F 265 18.576 14.224 56.864 1.00244.36 ATOM 276 NH2 ARG F 265 19.870 13.250 55.244 1.00228.27 ATOM 277 N ARG F 266 12.193 13.669 58.055 1.00245.61 ATOM 278 CA ARG F 266 11.223 13.294 59.069 1.00248.58 ATOM 279 C ARG F 266 9.845 13.076 58.433 1.00255.28 ATOM 280 O ARG F 266 9.279 11.995 58.580 1.00261.26 ATOM 281 CB ARG F 266 11.153 14.370 60.157 1.00244.59 ATOM 282 CG ARG F 266 10.545 13.877 61.460 1.00247.09 ATOM 283 CD ARG F 266 10.374 15.009 62.444 1.00251.14 ATOM 284 NE ARG F 266 9.271 15.897 62.071 1.00258.95 ATOM 285 CZ ARG F 266 9.069 17.097 62.597 1.00266.51 ATOM 286 NH1 ARG F 266 9.894 17.573 63.521 1.00264.30 ATOM 287 NH2 ARG F 266 8.042 17.834 62.205 1.00273.55 ATOM 288 N ARG F 267 9.355 14.083 57.675 1.00255.41 ATOM 289 CA ARG F 267 8.039 14.115 57.026 1.00253.47 ATOM 290 C ARG F 267 7.985 13.313 55.708 1.00241.98 ATOM 291 O ARG F 267 7.029 13.412 54.936 1.00235.99 ATOM 292 CB ARG F 267 7.596 15.561 56.795 1.00256.74 ATOM 293 CG ARG F 267 7.483 16.314 58.112 1.00263.41 ATOM 294 CD ARG F 267 7.049 17.742 57.951 1.00266.66 ATOM 295 NE ARG F 267 6.942 18.379 59.262 1.00271.06 ATOM 296 CZ ARG F 267 6.581 19.640 59.460 1.00268.69 ATOM 297 NH1 ARG F 267 6.285 20.423 58.431 1.00264.17 ATOM 298 NH2 ARG F 267 6.511 20.130 60.689 1.00270.48 ATOM 299 N SER F 268 9.007 12.484 55.505 1.00239.84 ATOM 300 CA SER F 268 9.231 11.525 54.421 1.00238.84 ATOM 301 C SER F 268 10.321 10.606 54.949 1.00238.43 ATOM 302 O SER F 268 10.810 10.832 56.048 1.00235.54 ATOM 303 CB SER F 268 9.578 12.214 53.105 1.00242.01 ATOM 304 OG SER F 268 10.956 12.519 53.001 1.00245.29 ATOM 305 N GLY F 269 10.676 9.574 54.204 1.00247.44 ATOM 306 CA GLY F 269 11.655 8.629 54.701 1.00260.97 ATOM 307 C GLY F 269 13.091 8.768 54.243 1.00267.23 ATOM 308 O GLY F 269 13.910 9.427 54.888 1.00257.11 ATOM 309 N GLU F 270 13.393 8.068 53.153 1.00279.26 ATOM 310 CA GLU F 270 14.727 7.897 52.614 1.00279.74 ATOM 311 C GLU F 270 15.236 9.029 51.747 1.00269.25 ATOM 312 O GLU F 270 14.659 9.362 50.709 1.00264.84 ATOM 313 CB GLU F 270 14.814 6.601 51.823 1.00288.19 ATOM 314 CG GLU F 270 14.816 5.369 52.706 1.00296.18 ATOM 315 CD GLU F 270 14.611 4.057 51.975 1.00296.95 ATOM 316 OE1 GLU F 270 14.287 4.087 50.764 1.00294.27 ATOM 317 OE2 GLU F 270 14.763 2.995 52.621 1.00299.05 ATOM 318 N SER F 271 16.396 9.545 52.155 1.00267.27 ATOM 319 CA SER F 271 17.127 10.586 51.464 1.00270.51 ATOM 320 C SER F 271 17.857 9.982 50.270 1.00256.38 ATOM 321 O SER F 271 18.514 8.950 50.417 1.00263.85 ATOM 322 CB SER F 271 18.113 11.253 52.425 1.00284.00 ATOM 323 OG SER F 271 19.034 10.327 52.974 1.00292.37 ATOM 324 N LYS F 272 17.676 10.570 49.073 1.00235.57 ATOM 325 CA LYS F 272 18.324 10.139 47.828 1.00218.21 ATOM 326 C LYS F 272 19.002 11.373 47.253 1.00202.46 ATOM 327 O LYS F 272 20.227 11.477 47.318 1.00181.35 ATOM 328 CB LYS F 272 17.316 9.482 46.864 1.00225.91 ATOM 329 CG LYS F 272 16.780 8.150 47.359 1.00235.12 ATOM 330 CD LYS F 272 15.593 7.679 46.544 1.00233.64 ATOM 331 CE LYS F 272 15.023 6.415 47.137 1.00226.29 ATOM 332 NZ LYS F 272 13.767 6.005 46.461 1.00222.66 ATOM 333 N GLU F 273 18.198 12.343 46.784 1.00207.35 ATOM 334 CA GLU F 273 18.654 13.677 46.380 1.00199.35 ATOM 335 C GLU F 273 18.881 14.490 47.645 1.00190.08 ATOM 336 O GLU F 273 19.765 15.339 47.663 1.00201.40 ATOM 337 CB GLU F 273 17.653 14.371 45.454 1.00199.56 ATOM 338 CG GLU F 273 17.431 13.626 44.148 1.00217.88 ATOM 339 CD GLU F 273 16.271 12.648 44.146 1.00244.47 ATOM 340 OE1 GLU F 273 16.099 11.902 45.138 1.00256.15 ATOM 341 OE2 GLU F 273 15.533 12.625 43.135 1.00256.25 ATOM 342 N LEU F 274 18.115 14.187 48.718 1.00176.89 ATOM 343 CA LEU F 274 18.270 14.795 50.050 1.00180.61 ATOM 344 C LEU F 274 19.664 14.568 50.592 1.00177.55 ATOM 345 O LEU F 274 20.212 15.459 51.237 1.00158.57 ATOM 346 CB LEU F 274 17.256 14.243 51.052 1.00192.88 ATOM 347 CG LEU F 274 15.891 14.888 51.089 1.00208.05 ATOM 348 CD1 LEU F 274 14.900 13.975 51.777 1.00215.92 ATOM 349 CD2 LEU F 274 15.955 16.196 51.791 1.00208.59 ATOM 350 N GLU F 275 20.246 13.382 50.297 1.00183.18 ATOM 351 CA GLU F 275 21.616 12.999 50.635 1.00194.79 ATOM 352 C GLU F 275 22.592 13.957 50.023 1.00191.74 ATOM 353 O GLU F 275 23.513 14.382 50.709 1.00198.73 ATOM 354 CB GLU F 275 21.966 11.599 50.127 1.00211.61 ATOM 355 CG GLU F 275 21.466 10.438 50.957 1.00240.43 ATOM 356 CD GLU F 275 21.653 9.091 50.283 1.00271.88 ATOM 357 OE1 GLU F 275 22.080 9.061 49.104 1.00279.42 ATOM 358 OE2 GLU F 275 21.350 8.061 50.929 1.00288.20 ATOM 359 N ARG F 276 22.402 14.290 48.727 1.00184.44 ATOM 360 CA ARG F 276 23.271 15.205 48.004 1.00176.79 ATOM 361 C ARG F 276 23.097 16.636 48.491 1.00165.45 ATOM 362 O ARG F 276 24.101 17.305 48.722 1.00177.80 ATOM 363 CB ARG F 276 23.028 15.132 46.497 1.00185.25 ATOM 364 CG ARG F 276 24.244 15.570 45.697 1.00191.65 ATOM 365 CD ARG F 276 23.916 15.702 44.233 1.00211.88 ATOM 366 NE ARG F 276 23.644 14.404 43.614 1.00226.34 ATOM 367 CZ ARG F 276 22.782 14.214 42.620 1.00231.41 ATOM 368 NH1 ARG F 276 22.094 15.232 42.126 1.00230.48 ATOM 369 NH2 ARG F 276 22.599 13.001 42.116 1.00230.58 ATOM 370 N ILE F 277 21.836 17.109 48.667 1.00154.55 ATOM 371 CA ILE F 277 21.578 18.486 49.112 1.00158.97 ATOM 372 C ILE F 277 22.199 18.710 50.490 1.00163.81 ATOM 373 O ILE F 277 22.898 19.701 50.677 1.00178.53 ATOM 374 CB ILE F 277 20.095 18.887 49.028 1.00166.73 ATOM 375 CG1 ILE F 277 19.176 18.241 50.087 1.00179.62 ATOM 376 CG2 ILE F 277 19.586 18.682 47.580 1.00161.29 ATOM 377 CD1 ILE F 277 17.799 18.795 50.042 1.00182.83 ATOM 378 N GLU F 278 22.042 17.739 51.401 1.00158.24 ATOM 379 CA GLU F 278 22.629 17.807 52.731 1.00164.94 ATOM 380 C GLU F 278 24.138 17.709 52.673 1.00164.34 ATOM 381 O GLU F 278 24.794 18.377 53.465 1.00170.97 ATOM 382 CB GLU F 278 22.059 16.755 53.664 1.00178.96 ATOM 383 CG GLU F 278 20.766 17.266 54.260 1.00187.09 ATOM 384 CD GLU F 278 20.094 16.330 55.231 1.00200.75 ATOM 385 OE1 GLU F 278 20.817 15.724 56.053 1.00207.19 ATOM 386 OE2 GLU F 278 18.845 16.220 55.199 1.00207.89 ATOM 387 N THR F 279 24.696 16.916 51.731 1.00150.56 ATOM 388 CA THR F 279 26.145 16.784 51.580 1.00169.48 ATOM 389 C THR F 279 26.736 18.133 51.220 1.00168.04 ATOM 390 O THR F 279 27.672 18.568 51.890 1.00174.36 ATOM 391 CB THR F 279 26.523 15.711 50.550 1.00177.02 ATOM 392 OG1 THR F 279 25.920 14.473 50.921 1.00198.95 ATOM 393 CG2 THR F 279 28.035 15.509 50.449 1.00168.31 ATOM 394 N GLU F 280 26.175 18.799 50.179 1.00160.18 ATOM 395 CA GLU F 280 26.627 20.106 49.694 1.00143.36 ATOM 396 C GLU F 280 26.410 21.178 50.740 1.00178.29 ATOM 397 O GLU F 280 27.249 22.067 50.884 1.00182.35 ATOM 398 CB GLU F 280 25.941 20.485 48.373 1.00157.12 ATOM 399 CG GLU F 280 26.157 19.467 47.261 1.00164.04 ATOM 400 CD GLU F 280 27.580 19.056 46.911 1.00161.71 ATOM 401 OE1 GLU F 280 28.538 19.782 47.266 1.00159.38 ATOM 402 OE2 GLU F 280 27.732 18.008 46.245 1.00163.48 ATOM 403 N ALA F 281 25.306 21.062 51.495 1.00145.98 ATOM 404 CA ALA F 281 24.977 21.985 52.569 1.00164.41 ATOM 405 C ALA F 281 26.033 21.918 53.676 1.00161.53 ATOM 406 O ALA F 281 26.447 22.967 54.165 1.00163.91 ATOM 407 CB ALA F 281 23.596 21.683 53.123 1.00171.73 ATOM 408 N GLN F 282 26.509 20.698 54.025 1.00165.43 ATOM 409 CA GLN F 282 27.532 20.512 55.057 1.00178.39 ATOM 410 C GLN F 282 28.869 21.005 54.542 1.00172.08 ATOM 411 O GLN F 282 29.632 21.569 55.323 1.00180.36 ATOM 412 CB GLN F 282 27.623 19.050 55.515 1.00199.64 ATOM 413 CG GLN F 282 26.610 18.695 56.606 1.00223.72 ATOM 414 CD GLN F 282 26.288 17.215 56.666 1.00247.75 ATOM 415 OE1 GLN F 282 26.538 16.464 55.718 1.00249.88 ATOM 416 NE2 GLN F 282 25.625 16.754 57.733 1.00263.12 ATOM 417 N ARG F 283 29.112 20.846 53.221 1.00162.36 ATOM 418 CA ARG F 283 30.296 21.295 52.486 1.00164.46 ATOM 419 C ARG F 283 30.467 22.811 52.616 1.00152.06 ATOM 420 O ARG F 283 31.562 23.271 52.939 1.00140.61 ATOM 421 CB ARG F 283 30.209 20.892 51.007 1.00183.15 ATOM 422 CG ARG F 283 30.859 19.545 50.693 1.00195.62 ATOM 423 CD ARG F 283 31.270 19.431 49.229 1.00197.57 ATOM 424 NE ARG F 283 31.976 20.624 48.748 1.00200.75 ATOM 425 CZ ARG F 283 33.270 20.869 48.936 1.00201.54 ATOM 426 NH1 ARG F 283 34.031 20.001 49.590 1.00202.35 ATOM 427 NH2 ARG F 283 33.815 21.986 48.470 1.00198.86 ATOM 428 N LEU F 284 29.371 23.566 52.410 1.00150.18 ATOM 429 CA LEU F 284 29.286 25.023 52.548 1.00149.92 ATOM 430 C LEU F 284 29.369 25.430 54.009 1.00159.13 ATOM 431 O LEU F 284 30.063 26.393 54.336 1.00143.90 ATOM 432 CB LEU F 284 27.958 25.543 51.944 1.00142.49 ATOM 433 CG LEU F 284 27.822 25.444 50.432 1.00174.15 ATOM 434 CD1 LEU F 284 26.365 25.339 50.013 1.00142.47 ATOM 435 CD2 LEU F 284 28.434 26.628 49.764 1.00140.13 ATOM 436 N ASP F 285 28.700 24.654 54.886 1.00164.36 ATOM 437 CA ASP F 285 28.666 24.893 56.322 1.00174.61 ATOM 438 C ASP F 285 30.065 24.931 56.913 1.00157.08 ATOM 439 O ASP F 285 30.414 25.919 57.564 1.00154.05 ATOM 440 CB ASP F 285 27.825 23.834 57.054 1.00203.58 ATOM 441 CG ASP F 285 27.760 24.050 58.551 1.00221.23 ATOM 442 OD1 ASP F 285 27.677 25.223 58.983 1.00215.84 ATOM 443 OD2 ASP F 285 27.789 23.051 59.292 1.00235.05 ATOM 444 N SER F 286 30.866 23.858 56.675 1.00147.11 ATOM 445 CA SER F 286 32.237 23.743 57.170 1.00157.16 ATOM 446 C SER F 286 33.075 24.898 56.674 1.00145.53 ATOM 447 O SER F 286 33.834 25.450 57.463 1.00154.21 ATOM 448 CB SER F 286 32.875 22.411 56.753 1.00175.37 ATOM 449 OG SER F 286 33.563 22.496 55.515 1.00189.69 ATOM 450 N MET F 287 32.903 25.285 55.384 1.00146.04 ATOM 451 CA MET F 287 33.613 26.381 54.742 1.00158.68 ATOM 452 C MET F 287 33.358 27.685 55.441 1.00144.04 ATOM 453 O MET F 287 34.326 28.366 55.741 1.00144.53 ATOM 454 CB MET F 287 33.247 26.503 53.261 1.00167.88 ATOM 455 CG MET F 287 34.097 25.648 52.401 1.00176.41 ATOM 456 SD MET F 287 34.058 26.239 50.701 1.00204.36 ATOM 457 CE MET F 287 32.640 25.347 50.114 1.00297.99 ATOM 458 N ILE F 288 32.088 28.001 55.764 1.00145.52 ATOM 459 CA ILE F 288 31.716 29.242 56.451 1.00147.98 ATOM 460 C ILE F 288 32.346 29.273 57.833 1.00175.60 ATOM 461 O ILE F 288 32.974 30.273 58.186 1.00152.01 ATOM 462 CB ILE F 288 30.160 29.429 56.523 1.00171.40 ATOM 463 CG1 ILE F 288 29.479 29.363 55.155 1.00147.42 ATOM 464 CG2 ILE F 288 29.736 30.681 57.320 1.00152.49 ATOM 465 CD1 ILE F 288 29.989 30.331 54.115 1.00149.77 ATOM 466 N ASN F 289 32.208 28.161 58.583 1.00169.23 ATOM 467 CA ASN F 289 32.745 28.012 59.932 1.00163.35 ATOM 468 C ASN F 289 34.237 28.243 59.952 1.00153.99 ATOM 469 O ASN F 289 34.718 29.007 60.788 1.00160.82 ATOM 470 CB ASN F 289 32.417 26.638 60.510 1.00164.81 ATOM 471 CG ASN F 289 30.990 26.446 60.878 1.00194.54 ATOM 472 OD1 ASN F 289 30.258 27.402 61.172 1.00202.06 ATOM 473 ND2 ASN F 289 30.566 25.193 60.945 1.00213.00 ATOM 474 N ASP F 290 34.953 27.641 58.976 1.00160.55 ATOM 475 CA ASP F 290 36.396 27.753 58.881 1.00155.20 ATOM 476 C ASP F 290 36.820 29.133 58.425 1.00156.37 ATOM 477 O ASP F 290 37.852 29.621 58.891 1.00154.42 ATOM 478 CB ASP F 290 37.003 26.636 58.056 1.00150.79 ATOM 479 CG ASP F 290 36.888 25.293 58.794 1.00168.18 ATOM 480 OD1 ASP F 290 37.078 25.262 60.040 1.00173.03 ATOM 481 OD2 ASP F 290 36.665 24.264 58.135 1.00175.69 ATOM 482 N LEU F 291 35.976 29.816 57.632 1.00148.48 ATOM 483 CA LEU F 291 36.244 31.190 57.228 1.00166.96 ATOM 484 C LEU F 291 36.163 32.087 58.441 1.00168.63 ATOM 485 O LEU F 291 36.997 32.982 58.586 1.00154.09 ATOM 486 CB LEU F 291 35.255 31.657 56.144 1.00147.33 ATOM 487 CG LEU F 291 35.618 31.325 54.716 1.00170.95 ATOM 488 CD1 LEU F 291 34.471 31.647 53.821 1.00143.67 ATOM 489 CD2 LEU F 291 36.908 32.039 54.266 1.00143.65 ATOM 490 N LEU F 292 35.164 31.819 59.315 1.00168.53 ATOM 491 CA LEU F 292 34.925 32.538 60.557 1.00158.80 ATOM 492 C LEU F 292 36.093 32.369 61.492 1.00180.77 ATOM 493 O LEU F 292 36.548 33.366 62.022 1.00193.32 ATOM 494 CB LEU F 292 33.608 32.110 61.202 1.00178.96 ATOM 495 CG LEU F 292 32.418 32.830 60.569 1.00176.29 ATOM 496 CD1 LEU F 292 31.159 32.113 60.785 1.00173.55 ATOM 497 CD2 LEU F 292 32.341 34.299 61.054 1.00164.07 ATOM 498 N VAL F 293 36.624 31.137 61.631 1.00169.26 ATOM 499 CA VAL F 293 37.828 30.810 62.428 1.00161.31 ATOM 500 C VAL F 293 39.003 31.660 61.935 1.00169.63 ATOM 501 O VAL F 293 39.685 32.273 62.760 1.00163.91 ATOM 502 CB VAL F 293 38.186 29.300 62.411 1.00159.75 ATOM 503 CG1 VAL F 293 39.529 29.016 63.095 1.00172.72 ATOM 504 CG2 VAL F 293 37.072 28.472 63.042 1.00161.37 ATOM 505 N MET F 294 39.189 31.756 60.605 1.00160.42 ATOM 506 CA MET F 294 40.224 32.582 59.968 1.00166.48 ATOM 507 C MET F 294 40.061 34.075 60.294 1.00174.53 ATOM 508 O MET F 294 41.040 34.819 60.271 1.00173.77 ATOM 509 CB MET F 294 40.195 32.392 58.463 1.00157.93 ATOM 510 CG MET F 294 41.004 31.231 58.014 1.00149.57 ATOM 511 SD MET F 294 42.476 31.726 57.122 1.00197.13 ATOM 512 CE MET F 294 41.728 32.295 55.615 1.00164.82 ATOM 513 N SER F 295 38.830 34.494 60.612 1.00180.30 ATOM 514 CA SER F 295 38.532 35.862 61.003 1.00193.28 ATOM 515 C SER F 295 38.267 35.921 62.518 1.00217.42 ATOM 516 O SER F 295 38.005 36.994 63.045 1.00233.78 ATOM 517 CB SER F 295 37.347 36.412 60.205 1.00188.30 ATOM 518 OG SER F 295 36.117 35.886 60.661 1.00186.46 ATOM 519 N ARG F 296 38.325 34.769 63.220 1.00223.28 ATOM 520 CA ARG F 296 38.157 34.715 64.680 1.00229.78 ATOM 521 C ARG F 296 39.499 34.939 65.328 1.00229.25 ATOM 522 O ARG F 296 39.582 35.586 66.370 1.00230.60 ATOM 523 CB ARG F 296 37.542 33.384 65.163 1.00234.57 ATOM 524 CG ARG F 296 36.036 33.274 64.972 1.00238.98 ATOM 525 CD ARG F 296 35.566 31.880 65.325 1.00241.57 ATOM 526 NE ARG F 296 34.450 31.417 64.495 1.00239.38 ATOM 527 CZ ARG F 296 33.817 30.263 64.679 1.00239.70 ATOM 528 NH1 ARG F 296 34.174 29.451 65.666 1.00246.81 ATOM 529 NH2 ARG F 296 32.820 29.912 63.880 1.00233.60 ATOM 530 N ASN F 297 40.558 34.418 64.701 1.00238.07 ATOM 531 CA ASN F 297 41.911 34.578 65.201 1.00260.41 ATOM 532 C ASN F 297 42.470 35.927 64.752 1.00282.61 ATOM 533 O ASN F 297 43.008 36.657 65.579 1.00288.12 ATOM 534 CB ASN F 297 42.781 33.412 64.748 1.00248.63 ATOM 535 CG ASN F 297 42.428 32.096 65.405 1.00241.90 ATOM 536 OD1 ASN F 297 41.699 32.024 66.411 1.00255.05 ATOM 537 ND2 ASN F 297 42.929 31.007 64.846 1.00221.35 ATOM 538 N GLN F 298 42.253 36.294 63.484 1.00245.98 ATOM 539 CA GLN F 298 42.771 37.537 62.915 1.00257.12 ATOM 540 C GLN F 298 42.061 38.809 63.388 1.00273.93 ATOM 541 O GLN F 298 42.754 39.776 63.693 1.00278.80 ATOM 542 CB GLN F 298 42.736 37.499 61.392 1.00251.60 ATOM 543 CG GLN F 298 43.907 36.728 60.798 1.00245.58 ATOM 544 CD GLN F 298 43.876 36.744 59.300 1.00244.97 ATOM 545 OE1 GLN F 298 42.964 36.209 58.660 1.00254.13 ATOM 546 NE2 GLN F 298 44.892 37.340 58.697 1.00232.76 ATOM 547 N GLN F 299 40.707 38.831 63.423 1.00277.29 ATOM 548 CA GLN F 299 39.902 40.010 63.774 1.00277.71 ATOM 549 C GLN F 299 40.077 40.498 65.211 1.00282.48 ATOM 550 O GLN F 299 40.173 41.710 65.420 1.00287.44 ATOM 551 CB GLN F 299 38.429 39.723 63.537 1.00269.85 ATOM 552 CG GLN F 299 37.524 40.931 63.422 1.00271.11 ATOM 553 CD GLN F 299 36.105 40.495 63.202 1.00276.64 ATOM 554 OE1 GLN F 299 35.762 39.306 63.232 1.00275.25 ATOM 555 NE2 GLN F 299 35.229 41.452 62.985 1.00282.28 ATOM 556 N LYS F 300 40.082 39.580 66.198 1.00278.44 ATOM 557 CA LYS F 300 40.244 39.946 67.608 1.00268.01 ATOM 558 C LYS F 300 41.730 40.154 67.956 1.00259.91 ATOM 559 O LYS F 300 42.059 40.439 69.111 1.00250.71 ATOM 560 CB LYS F 300 39.593 38.903 68.533 1.00257.56 ATOM 561 CG LYS F 300 39.206 39.480 69.888 1.00250.87 ATOM 562 CD LYS F 300 38.307 38.568 70.670 1.00246.58 ATOM 563 CE LYS F 300 37.718 39.306 71.842 1.00250.93 ATOM 564 NZ LYS F 300 36.693 38.493 72.540 1.00254.31 ATOM 565 N ASN F 301 42.619 40.025 66.940 1.00263.54 ATOM 566 CA ASN F 301 44.076 40.203 67.041 1.00270.72 ATOM 567 C ASN F 301 44.655 39.372 68.188 1.00277.90 ATOM 568 O ASN F 301 45.615 39.808 68.823 1.00278.38 ATOM 569 CB ASN F 301 44.416 41.698 67.222 1.00271.84 ATOM 570 CG ASN F 301 44.000 42.562 66.064 1.00265.50 ATOM 571 OD1 ASN F 301 43.942 42.122 64.910 1.00258.91 ATOM 572 ND2 ASN F 301 43.743 43.834 66.329 1.00264.87 TER