HEADER DNA BINDING PROTEIN 31-DEC-69 7EWC TITLE Mycobacterium tuberculosis HigA2 (Form I) COMPND MOL_ID: 1; COMPND 2 MOLECULE: Putative antitoxin HigA2; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.05 ANGSTORMS DBREF 7EWC C 1 101 UNP O53467 HIGA2_MYCTU 1 101 SEQRES 1 C 69 PHE ARG LEU ARG GLU LEU ARG ALA ALA GLN SER LEU THR SEQRES 2 C 69 GLN VAL GLN VAL ALA ALA LEU ALA HIS ILE ARG GLN SER SEQRES 3 C 69 ARG VAL SER SER ILE GLU ASN GLY ASP ILE GLY SER ALA SEQRES 4 C 69 GLN VAL ASN THR LEU ARG LYS TYR VAL SER ALA LEU GLY SEQRES 5 C 69 GLY GLU LEU ASP ILE THR VAL ARG LEU GLY ASP GLU THR SEQRES 6 C 69 PHE THR LEU ALA ATOM 1 N PHE C 33 -16.395 17.127 -13.278 1.00 64.18 ATOM 2 CA PHE C 33 -15.943 16.821 -14.652 1.00 61.87 ATOM 3 C PHE C 33 -14.421 16.993 -14.765 1.00 57.73 ATOM 4 O PHE C 33 -13.821 17.764 -13.994 1.00 64.52 ATOM 5 CB PHE C 33 -16.647 17.741 -15.646 1.00 63.69 ATOM 6 CG PHE C 33 -16.418 17.357 -17.082 1.00 65.62 ATOM 7 CD1 PHE C 33 -15.585 18.104 -17.900 1.00 61.75 ATOM 8 CD2 PHE C 33 -17.007 16.219 -17.601 1.00 63.31 ATOM 9 CE1 PHE C 33 -15.364 17.724 -19.210 1.00 56.70 ATOM 10 CE2 PHE C 33 -16.801 15.853 -18.919 1.00 56.51 ATOM 11 CZ PHE C 33 -15.968 16.600 -19.715 1.00 59.93 ATOM 12 N ARG C 34 -13.814 16.307 -15.727 1.00 49.49 ATOM 13 CA ARG C 34 -12.351 16.311 -15.959 1.00 45.45 ATOM 14 C ARG C 34 -12.112 15.914 -17.416 1.00 39.42 ATOM 15 O ARG C 34 -12.590 14.862 -17.812 1.00 43.27 ATOM 16 CB ARG C 34 -11.740 15.386 -14.908 1.00 53.13 ATOM 17 CG ARG C 34 -10.252 15.154 -15.052 1.00 63.20 ATOM 18 CD ARG C 34 -9.533 15.581 -13.792 1.00 73.55 ATOM 19 NE ARG C 34 -8.237 14.925 -13.727 1.00 83.84 ATOM 20 CZ ARG C 34 -7.605 14.559 -12.614 1.00 84.10 ATOM 21 NH1 ARG C 34 -8.146 14.765 -11.423 1.00 82.32 ATOM 22 NH2 ARG C 34 -6.427 13.966 -12.702 1.00 83.54 ATOM 23 N LEU C 35 -11.402 16.745 -18.172 1.00 29.46 ATOM 24 CA LEU C 35 -11.193 16.586 -19.618 1.00 30.38 ATOM 25 C LEU C 35 -10.410 15.318 -19.875 1.00 29.49 ATOM 26 O LEU C 35 -10.699 14.634 -20.896 1.00 28.12 ATOM 27 CB LEU C 35 -10.448 17.791 -20.199 1.00 31.45 ATOM 28 CG LEU C 35 -11.302 18.940 -20.713 1.00 32.84 ATOM 29 CD1 LEU C 35 -10.412 19.996 -21.348 1.00 36.71 ATOM 30 CD2 LEU C 35 -12.341 18.487 -21.729 1.00 36.41 ATOM 31 N ARG C 36 -9.464 14.983 -19.004 1.00 29.55 ATOM 32 CA ARG C 36 -8.500 13.913 -19.351 1.00 31.46 ATOM 33 C ARG C 36 -9.219 12.545 -19.395 1.00 29.64 ATOM 34 O ARG C 36 -8.675 11.608 -20.043 1.00 25.84 ATOM 35 CB ARG C 36 -7.301 13.906 -18.399 1.00 38.48 ATOM 36 CG ARG C 36 -7.615 13.389 -17.006 1.00 48.75 ATOM 37 CD ARG C 36 -6.365 13.176 -16.153 1.00 56.14 ATOM 38 NE ARG C 36 -5.332 14.202 -16.322 1.00 55.07 ATOM 39 CZ ARG C 36 -4.131 14.000 -16.879 1.00 57.97 ATOM 40 NH1 ARG C 36 -3.792 12.798 -17.313 1.00 57.65 ATOM 41 NH2 ARG C 36 -3.266 14.997 -16.995 1.00 53.85 ATOM 42 N GLU C 37 -10.353 12.401 -18.706 1.00 29.46 ATOM 43 CA GLU C 37 -11.141 11.140 -18.694 1.00 27.47 ATOM 44 C GLU C 37 -11.628 10.843 -20.104 1.00 21.99 ATOM 45 O GLU C 37 -11.787 9.674 -20.389 1.00 20.55 ATOM 46 CB GLU C 37 -12.367 11.167 -17.779 1.00 35.23 ATOM 47 CG GLU C 37 -12.197 10.303 -16.546 1.00 49.41 ATOM 48 CD GLU C 37 -11.393 10.987 -15.445 1.00 60.21 ATOM 49 OE1 GLU C 37 -11.744 12.137 -15.111 1.00 77.81 ATOM 50 OE2 GLU C 37 -10.413 10.384 -14.924 1.00 64.03 ATOM 51 N LEU C 38 -11.952 11.870 -20.893 1.00 21.28 ATOM 52 CA LEU C 38 -12.376 11.756 -22.305 1.00 23.31 ATOM 53 C LEU C 38 -11.286 10.995 -23.035 1.00 19.38 ATOM 54 O LEU C 38 -11.621 10.133 -23.864 1.00 21.75 ATOM 55 CB LEU C 38 -12.589 13.128 -22.963 1.00 25.05 ATOM 56 CG LEU C 38 -14.010 13.666 -23.013 1.00 30.80 ATOM 57 CD1 LEU C 38 -14.585 13.811 -21.642 1.00 34.20 ATOM 58 CD2 LEU C 38 -14.042 15.023 -23.695 1.00 32.32 ATOM 59 N ARG C 39 -10.015 11.371 -22.824 1.00 17.97 ATOM 60 CA ARG C 39 -8.908 10.695 -23.539 1.00 16.29 ATOM 61 C ARG C 39 -8.730 9.286 -22.958 1.00 15.92 ATOM 62 O ARG C 39 -8.607 8.332 -23.719 1.00 18.10 ATOM 63 CB ARG C 39 -7.620 11.508 -23.424 1.00 17.44 ATOM 64 CG ARG C 39 -6.417 10.722 -23.883 1.00 18.03 ATOM 65 CD ARG C 39 -5.211 11.587 -24.137 1.00 20.75 ATOM 66 NE ARG C 39 -4.634 12.105 -22.897 1.00 18.46 ATOM 67 CZ ARG C 39 -3.868 11.417 -22.071 1.00 23.27 ATOM 68 NH1 ARG C 39 -3.385 12.020 -20.999 1.00 23.53 ATOM 69 NH2 ARG C 39 -3.653 10.120 -22.256 1.00 20.87 ATOM 70 N ALA C 40 -8.782 9.127 -21.646 1.00 16.72 ATOM 71 CA ALA C 40 -8.490 7.811 -21.029 1.00 18.91 ATOM 72 C ALA C 40 -9.544 6.778 -21.440 1.00 17.30 ATOM 73 O ALA C 40 -9.196 5.582 -21.596 1.00 18.61 ATOM 74 CB ALA C 40 -8.398 7.969 -19.533 1.00 20.24 ATOM 75 N ALA C 41 -10.784 7.211 -21.605 1.00 19.07 ATOM 76 CA ALA C 41 -11.916 6.382 -22.052 1.00 18.66 ATOM 77 C ALA C 41 -11.556 5.725 -23.388 1.00 18.15 ATOM 78 O ALA C 41 -12.033 4.599 -23.688 1.00 16.73 ATOM 79 CB ALA C 41 -13.137 7.241 -22.168 1.00 18.44 ATOM 80 N GLN C 42 -10.765 6.415 -24.211 1.00 17.12 ATOM 81 CA GLN C 42 -10.372 5.912 -25.544 1.00 17.17 ATOM 82 C GLN C 42 -9.036 5.190 -25.506 1.00 16.49 ATOM 83 O GLN C 42 -8.655 4.699 -26.588 1.00 17.58 ATOM 84 CB GLN C 42 -10.315 7.043 -26.573 1.00 17.45 ATOM 85 CG GLN C 42 -11.648 7.752 -26.814 1.00 17.11 ATOM 86 CD GLN C 42 -12.798 6.815 -27.121 1.00 17.39 ATOM 87 OE1 GLN C 42 -13.896 6.866 -26.488 1.00 20.83 ATOM 88 NE2 GLN C 42 -12.486 5.856 -27.948 1.00 12.96 ATOM 89 N SER C 43 -8.320 5.209 -24.380 1.00 17.35 ATOM 90 CA SER C 43 -6.988 4.571 -24.208 1.00 19.36 ATOM 91 C SER C 43 -5.963 5.176 -25.175 1.00 21.54 ATOM 92 O SER C 43 -5.030 4.420 -25.572 1.00 18.50 ATOM 93 CB SER C 43 -7.076 3.050 -24.423 1.00 21.28 ATOM 94 OG SER C 43 -7.935 2.465 -23.467 1.00 21.68 ATOM 95 N LEU C 44 -6.072 6.465 -25.511 1.00 19.26 ATOM 96 CA LEU C 44 -5.077 7.139 -26.377 1.00 19.34 ATOM 97 C LEU C 44 -4.110 7.974 -25.512 1.00 18.52 ATOM 98 O LEU C 44 -4.472 8.395 -24.437 1.00 15.44 ATOM 99 CB LEU C 44 -5.797 8.026 -27.393 1.00 21.75 ATOM 100 CG LEU C 44 -6.710 7.294 -28.355 1.00 22.47 ATOM 101 CD1 LEU C 44 -7.274 8.238 -29.388 1.00 24.67 ATOM 102 CD2 LEU C 44 -5.948 6.167 -29.035 1.00 24.85 ATOM 103 N THR C 45 -2.895 8.143 -26.010 1.00 20.14 ATOM 104 CA THR C 45 -1.836 8.959 -25.392 1.00 21.53 ATOM 105 C THR C 45 -2.121 10.413 -25.705 1.00 20.89 ATOM 106 O THR C 45 -2.848 10.745 -26.668 1.00 18.24 ATOM 107 CB THR C 45 -0.426 8.564 -25.853 1.00 23.41 ATOM 108 OG1 THR C 45 -0.324 8.936 -27.226 1.00 21.00 ATOM 109 CG2 THR C 45 -0.118 7.087 -25.678 1.00 23.62 ATOM 110 N GLN C 46 -1.549 11.268 -24.886 1.00 20.61 ATOM 111 CA GLN C 46 -1.602 12.717 -25.109 1.00 22.94 ATOM 112 C GLN C 46 -1.073 13.076 -26.492 1.00 19.84 ATOM 113 O GLN C 46 -1.670 13.927 -27.154 1.00 23.15 ATOM 114 CB GLN C 46 -0.834 13.354 -23.975 1.00 23.63 ATOM 115 CG GLN C 46 -1.242 14.756 -23.734 1.00 25.75 ATOM 116 CD GLN C 46 -0.324 15.282 -22.654 1.00 29.90 ATOM 117 OE1 GLN C 46 -0.724 15.372 -21.499 1.00 27.75 ATOM 118 NE2 GLN C 46 0.896 15.586 -23.073 1.00 26.73 ATOM 119 N VAL C 47 -0.040 12.396 -26.950 1.00 23.60 ATOM 120 CA VAL C 47 0.581 12.610 -28.287 1.00 21.26 ATOM 121 C VAL C 47 -0.458 12.274 -29.351 1.00 24.14 ATOM 122 O VAL C 47 -0.602 13.057 -30.324 1.00 23.01 ATOM 123 CB VAL C 47 1.824 11.725 -28.425 1.00 23.41 ATOM 124 CG1 VAL C 47 2.239 11.587 -29.876 1.00 26.46 ATOM 125 CG2 VAL C 47 2.967 12.226 -27.536 1.00 27.65 ATOM 126 N GLN C 48 -1.110 11.115 -29.220 1.00 23.44 ATOM 127 CA GLN C 48 -2.143 10.650 -30.193 1.00 23.25 ATOM 128 C GLN C 48 -3.292 11.665 -30.268 1.00 20.68 ATOM 129 O GLN C 48 -3.707 11.979 -31.368 1.00 25.02 ATOM 130 CB GLN C 48 -2.623 9.239 -29.854 1.00 22.05 ATOM 131 CG GLN C 48 -1.625 8.149 -30.215 1.00 22.06 ATOM 132 CD GLN C 48 -2.054 6.787 -29.714 1.00 20.85 ATOM 133 OE1 GLN C 48 -1.839 5.783 -30.357 1.00 27.01 ATOM 134 NE2 GLN C 48 -2.611 6.717 -28.531 1.00 15.00 ATOM 135 N VAL C 49 -3.705 12.279 -29.172 1.00 21.92 ATOM 136 CA VAL C 49 -4.843 13.230 -29.176 1.00 20.99 ATOM 137 C VAL C 49 -4.395 14.564 -29.763 1.00 24.18 ATOM 138 O VAL C 49 -5.195 15.140 -30.500 1.00 19.88 ATOM 139 CB VAL C 49 -5.467 13.410 -27.793 1.00 25.43 ATOM 140 CG1 VAL C 49 -6.481 14.544 -27.834 1.00 25.11 ATOM 141 CG2 VAL C 49 -6.118 12.097 -27.350 1.00 26.46 ATOM 142 N ALA C 50 -3.216 15.071 -29.381 1.00 23.40 ATOM 143 CA ALA C 50 -2.649 16.282 -30.001 1.00 24.93 ATOM 144 C ALA C 50 -2.685 16.085 -31.514 1.00 24.71 ATOM 145 O ALA C 50 -3.179 16.994 -32.191 1.00 28.18 ATOM 146 CB ALA C 50 -1.261 16.566 -29.507 1.00 26.86 ATOM 147 N ALA C 51 -2.282 14.928 -32.030 1.00 27.92 ATOM 148 CA ALA C 51 -2.260 14.666 -33.496 1.00 28.61 ATOM 149 C ALA C 51 -3.696 14.592 -34.056 1.00 33.20 ATOM 150 O ALA C 51 -4.014 15.314 -35.023 1.00 29.01 ATOM 151 CB ALA C 51 -1.478 13.411 -33.782 1.00 31.37 ATOM 152 N LEU C 52 -4.570 13.790 -33.433 1.00 30.83 ATOM 153 CA LEU C 52 -5.980 13.589 -33.873 1.00 29.30 ATOM 154 C LEU C 52 -6.722 14.927 -33.867 1.00 26.55 ATOM 155 O LEU C 52 -7.400 15.191 -34.808 1.00 28.55 ATOM 156 CB LEU C 52 -6.661 12.600 -32.919 1.00 30.74 ATOM 157 CG LEU C 52 -7.808 11.741 -33.429 1.00 36.82 ATOM 158 CD1 LEU C 52 -8.711 11.352 -32.261 1.00 33.87 ATOM 159 CD2 LEU C 52 -8.608 12.391 -34.537 1.00 39.63 ATOM 160 N ALA C 53 -6.631 15.731 -32.817 1.00 24.36 ATOM 161 CA ALA C 53 -7.386 17.003 -32.684 1.00 25.62 ATOM 162 C ALA C 53 -6.709 18.203 -33.395 1.00 27.09 ATOM 163 O ALA C 53 -7.331 19.265 -33.385 1.00 26.25 ATOM 164 CB ALA C 53 -7.538 17.335 -31.217 1.00 24.46 ATOM 165 N HIS C 54 -5.449 18.097 -33.821 1.00 29.62 ATOM 166 CA HIS C 54 -4.622 19.188 -34.423 1.00 29.41 ATOM 167 C HIS C 54 -4.391 20.310 -33.427 1.00 29.77 ATOM 168 O HIS C 54 -4.702 21.466 -33.745 1.00 26.91 ATOM 169 CB HIS C 54 -5.244 19.741 -35.715 1.00 36.81 ATOM 170 CG HIS C 54 -5.752 18.672 -36.621 1.00 40.74 ATOM 171 ND1 HIS C 54 -4.915 17.809 -37.287 1.00 48.79 ATOM 172 CD2 HIS C 54 -7.014 18.300 -36.944 1.00 45.96 ATOM 173 CE1 HIS C 54 -5.633 16.965 -38.012 1.00 46.30 ATOM 174 NE2 HIS C 54 -6.923 17.248 -37.817 1.00 49.98 ATOM 175 N ILE C 55 -3.882 19.960 -32.255 1.00 27.57 ATOM 176 CA ILE C 55 -3.624 20.850 -31.093 1.00 31.27 ATOM 177 C ILE C 55 -2.170 20.627 -30.680 1.00 31.89 ATOM 178 O ILE C 55 -1.798 19.461 -30.567 1.00 26.43 ATOM 179 CB ILE C 55 -4.551 20.530 -29.902 1.00 32.53 ATOM 180 CG1 ILE C 55 -6.036 20.703 -30.223 1.00 36.43 ATOM 181 CG2 ILE C 55 -4.179 21.372 -28.690 1.00 32.74 ATOM 182 CD1 ILE C 55 -6.913 20.115 -29.128 1.00 38.30 ATOM 183 N ARG C 56 -1.400 21.699 -30.499 1.00 35.03 ATOM 184 CA ARG C 56 -0.067 21.655 -29.832 1.00 39.33 ATOM 185 C ARG C 56 -0.166 20.739 -28.617 1.00 32.24 ATOM 186 O ARG C 56 -1.071 20.973 -27.788 1.00 31.80 ATOM 187 CB ARG C 56 0.321 23.012 -29.218 1.00 42.52 ATOM 188 CG ARG C 56 0.552 24.145 -30.196 1.00 48.65 ATOM 189 CD ARG C 56 1.336 25.297 -29.563 1.00 50.20 ATOM 190 NE ARG C 56 1.890 26.044 -30.675 1.00 53.21 ATOM 191 CZ ARG C 56 3.032 25.761 -31.286 1.00 54.21 ATOM 192 NH1 ARG C 56 3.816 24.787 -30.848 1.00 50.40 ATOM 193 NH2 ARG C 56 3.396 26.484 -32.328 1.00 53.79 ATOM 194 N GLN C 57 0.807 19.871 -28.378 1.00 28.24 ATOM 195 CA GLN C 57 0.709 18.960 -27.208 1.00 25.25 ATOM 196 C GLN C 57 0.798 19.756 -25.906 1.00 25.92 ATOM 197 O GLN C 57 0.146 19.353 -24.899 1.00 23.67 ATOM 198 CB GLN C 57 1.765 17.863 -27.280 1.00 30.49 ATOM 199 CG GLN C 57 1.475 16.776 -26.277 1.00 30.21 ATOM 200 CD GLN C 57 2.539 15.713 -26.229 1.00 32.39 ATOM 201 OE1 GLN C 57 2.678 14.989 -25.237 1.00 32.51 ATOM 202 NE2 GLN C 57 3.342 15.668 -27.264 1.00 27.73 ATOM 203 N SER C 58 1.501 20.905 -25.879 1.00 24.01 ATOM 204 CA SER C 58 1.528 21.722 -24.643 1.00 28.25 ATOM 205 C SER C 58 0.110 22.154 -24.319 1.00 24.80 ATOM 206 O SER C 58 -0.234 22.189 -23.120 1.00 27.51 ATOM 207 CB SER C 58 2.452 22.925 -24.711 1.00 30.29 ATOM 208 OG SER C 58 2.164 23.712 -25.852 1.00 28.84 ATOM 209 N ARG C 59 -0.689 22.480 -25.333 1.00 28.61 ATOM 210 CA ARG C 59 -2.078 22.974 -25.080 1.00 29.73 ATOM 211 C ARG C 59 -2.932 21.815 -24.557 1.00 26.09 ATOM 212 O ARG C 59 -3.721 22.025 -23.647 1.00 28.02 ATOM 213 CB ARG C 59 -2.625 23.678 -26.317 1.00 31.15 ATOM 214 CG ARG C 59 -1.900 24.984 -26.596 1.00 40.29 ATOM 215 CD ARG C 59 -2.585 25.899 -27.596 1.00 49.13 ATOM 216 NE ARG C 59 -1.593 26.856 -28.059 1.00 56.99 ATOM 217 CZ ARG C 59 -1.683 27.616 -29.138 1.00 66.61 ATOM 218 NH1 ARG C 59 -2.749 27.568 -29.923 1.00 71.12 ATOM 219 NH2 ARG C 59 -0.674 28.418 -29.431 1.00 74.59 ATOM 220 N VAL C 60 -2.666 20.589 -25.005 1.00 29.80 ATOM 221 CA VAL C 60 -3.376 19.369 -24.503 1.00 23.55 ATOM 222 C VAL C 60 -3.029 19.176 -23.029 1.00 22.54 ATOM 223 O VAL C 60 -3.968 18.963 -22.232 1.00 23.03 ATOM 224 CB VAL C 60 -3.027 18.119 -25.316 1.00 24.17 ATOM 225 CG1 VAL C 60 -3.698 16.872 -24.732 1.00 22.66 ATOM 226 CG2 VAL C 60 -3.418 18.298 -26.776 1.00 28.05 ATOM 227 N SER C 61 -1.747 19.256 -22.626 1.00 24.55 ATOM 228 CA SER C 61 -1.394 19.066 -21.186 1.00 24.68 ATOM 229 C SER C 61 -2.008 20.175 -20.344 1.00 25.04 ATOM 230 O SER C 61 -2.600 19.835 -19.283 1.00 25.76 ATOM 231 CB SER C 61 0.088 18.947 -20.908 1.00 28.99 ATOM 232 OG SER C 61 0.841 19.354 -22.022 1.00 37.55 ATOM 233 N SER C 62 -1.943 21.452 -20.780 1.00 28.80 ATOM 234 CA SER C 62 -2.489 22.553 -19.936 1.00 28.81 ATOM 235 C SER C 62 -3.953 22.266 -19.697 1.00 25.70 ATOM 236 O SER C 62 -4.359 22.311 -18.530 1.00 28.87 ATOM 237 CB SER C 62 -2.313 23.976 -20.495 1.00 29.94 ATOM 238 OG SER C 62 -2.381 23.942 -21.892 1.00 36.56 ATOM 239 N ILE C 63 -4.727 21.963 -20.745 1.00 28.61 ATOM 240 CA ILE C 63 -6.196 21.779 -20.538 1.00 29.89 ATOM 241 C ILE C 63 -6.436 20.486 -19.758 1.00 28.47 ATOM 242 O ILE C 63 -7.355 20.459 -18.954 1.00 28.82 ATOM 243 CB ILE C 63 -7.029 21.858 -21.840 1.00 33.16 ATOM 244 CG1 ILE C 63 -6.831 20.659 -22.756 1.00 35.58 ATOM 245 CG2 ILE C 63 -6.791 23.181 -22.567 1.00 33.77 ATOM 246 CD1 ILE C 63 -7.779 20.662 -23.929 1.00 39.74 ATOM 247 N GLU C 64 -5.616 19.456 -19.928 1.00 29.26 ATOM 248 CA GLU C 64 -5.810 18.225 -19.100 1.00 27.94 ATOM 249 C GLU C 64 -5.389 18.498 -17.647 1.00 35.46 ATOM 250 O GLU C 64 -5.933 17.847 -16.736 1.00 32.54 ATOM 251 CB GLU C 64 -5.040 17.062 -19.714 1.00 27.63 ATOM 252 CG GLU C 64 -5.649 16.557 -21.020 1.00 31.73 ATOM 253 CD GLU C 64 -5.133 15.198 -21.498 1.00 34.64 ATOM 254 OE1 GLU C 64 -4.115 14.753 -20.962 1.00 29.02 ATOM 255 OE2 GLU C 64 -5.756 14.595 -22.427 1.00 31.87 ATOM 256 N ASN C 65 -4.440 19.419 -17.447 1.00 37.89 ATOM 257 CA ASN C 65 -3.985 19.873 -16.109 1.00 41.73 ATOM 258 C ASN C 65 -5.052 20.786 -15.514 1.00 42.52 ATOM 259 O ASN C 65 -4.876 21.183 -14.377 1.00 42.26 ATOM 260 CB ASN C 65 -2.645 20.613 -16.170 1.00 41.03 ATOM 261 CG ASN C 65 -1.459 19.701 -16.406 1.00 47.70 ATOM 262 OD1 ASN C 65 -1.540 18.482 -16.235 1.00 44.48 ATOM 263 ND2 ASN C 65 -0.343 20.288 -16.805 1.00 52.94 ATOM 264 N GLY C 66 -6.134 21.060 -16.243 1.00 39.19 ATOM 265 CA GLY C 66 -7.270 21.848 -15.737 1.00 38.73 ATOM 266 C GLY C 66 -7.030 23.340 -15.928 1.00 38.33 ATOM 267 O GLY C 66 -7.653 24.106 -15.235 1.00 41.35 ATOM 268 N ASP C 67 -6.153 23.744 -16.846 1.00 39.33 ATOM 269 CA ASP C 67 -5.982 25.173 -17.214 1.00 37.92 ATOM 270 C ASP C 67 -6.880 25.522 -18.419 1.00 35.32 ATOM 271 O ASP C 67 -6.373 25.627 -19.558 1.00 38.21 ATOM 272 CB ASP C 67 -4.514 25.480 -17.470 1.00 40.87 ATOM 273 CG ASP C 67 -4.269 26.974 -17.647 1.00 49.82 ATOM 274 OD1 ASP C 67 -3.111 27.322 -17.996 1.00 49.46 ATOM 275 OD2 ASP C 67 -5.241 27.780 -17.421 1.00 44.76 ATOM 276 N ILE C 68 -8.162 25.736 -18.155 1.00 40.60 ATOM 277 CA ILE C 68 -9.213 26.087 -19.159 1.00 45.83 ATOM 278 C ILE C 68 -9.123 27.583 -19.507 1.00 47.53 ATOM 279 O ILE C 68 -9.322 27.930 -20.685 1.00 44.58 ATOM 280 CB ILE C 68 -10.594 25.724 -18.591 1.00 50.36 ATOM 281 CG1 ILE C 68 -10.588 24.367 -17.872 1.00 58.98 ATOM 282 CG2 ILE C 68 -11.661 25.779 -19.670 1.00 47.02 ATOM 283 CD1 ILE C 68 -9.990 23.236 -18.692 1.00 56.99 ATOM 284 N GLY C 69 -8.831 28.431 -18.517 1.00 50.95 ATOM 285 CA GLY C 69 -8.725 29.900 -18.663 1.00 47.66 ATOM 286 C GLY C 69 -7.954 30.295 -19.906 1.00 46.39 ATOM 287 O GLY C 69 -8.442 31.132 -20.667 1.00 41.86 ATOM 288 N SER C 70 -6.793 29.689 -20.137 1.00 41.75 ATOM 289 CA SER C 70 -5.796 30.176 -21.119 1.00 40.25 ATOM 290 C SER C 70 -6.077 29.611 -22.494 1.00 38.92 ATOM 291 O SER C 70 -5.455 30.076 -23.456 1.00 42.96 ATOM 292 CB SER C 70 -4.401 29.808 -20.679 1.00 48.92 ATOM 293 OG SER C 70 -4.332 29.846 -19.263 1.00 47.68 ATOM 294 N ALA C 71 -6.945 28.613 -22.601 1.00 44.51 ATOM 295 CA ALA C 71 -7.202 27.943 -23.897 1.00 42.13 ATOM 296 C ALA C 71 -8.064 28.831 -24.800 1.00 39.10 ATOM 297 O ALA C 71 -8.975 29.503 -24.297 1.00 36.08 ATOM 298 CB ALA C 71 -7.862 26.606 -23.650 1.00 42.59 ATOM 299 N GLN C 72 -7.823 28.758 -26.100 1.00 30.92 ATOM 300 CA GLN C 72 -8.795 29.157 -27.129 1.00 37.68 ATOM 301 C GLN C 72 -9.985 28.176 -27.205 1.00 43.84 ATOM 302 O GLN C 72 -9.787 26.929 -27.210 1.00 33.69 ATOM 303 CB GLN C 72 -8.047 29.276 -28.444 1.00 46.31 ATOM 304 CG GLN C 72 -6.841 30.203 -28.316 1.00 54.78 ATOM 305 CD GLN C 72 -6.753 31.212 -29.429 1.00 58.72 ATOM 306 OE1 GLN C 72 -7.143 30.954 -30.570 1.00 60.12 ATOM 307 NE2 GLN C 72 -6.236 32.386 -29.088 1.00 68.08 ATOM 308 N VAL C 73 -11.192 28.728 -27.309 1.00 33.98 ATOM 309 CA VAL C 73 -12.456 27.970 -27.486 1.00 32.72 ATOM 310 C VAL C 73 -12.210 26.839 -28.471 1.00 38.16 ATOM 311 O VAL C 73 -12.663 25.673 -28.175 1.00 28.15 ATOM 312 CB VAL C 73 -13.605 28.872 -27.967 1.00 30.28 ATOM 313 CG1 VAL C 73 -14.706 28.099 -28.635 1.00 30.24 ATOM 314 CG2 VAL C 73 -14.147 29.714 -26.819 1.00 31.73 ATOM 315 N ASN C 74 -11.612 27.145 -29.630 1.00 37.46 ATOM 316 CA ASN C 74 -11.505 26.102 -30.681 1.00 41.03 ATOM 317 C ASN C 74 -10.579 24.963 -30.236 1.00 29.69 ATOM 318 O ASN C 74 -10.746 23.857 -30.770 1.00 27.71 ATOM 319 CB ASN C 74 -11.148 26.614 -32.072 1.00 45.84 ATOM 320 CG ASN C 74 -12.290 26.234 -32.986 1.00 50.31 ATOM 321 OD1 ASN C 74 -12.299 25.148 -33.562 1.00 50.25 ATOM 322 ND2 ASN C 74 -13.321 27.061 -33.015 1.00 51.32 ATOM 323 N THR C 75 -9.679 25.219 -29.298 1.00 31.17 ATOM 324 CA THR C 75 -8.783 24.214 -28.677 1.00 35.08 ATOM 325 C THR C 75 -9.645 23.246 -27.862 1.00 32.26 ATOM 326 O THR C 75 -9.494 22.025 -28.047 1.00 29.26 ATOM 327 CB THR C 75 -7.680 24.853 -27.818 1.00 37.92 ATOM 328 OG1 THR C 75 -6.744 25.430 -28.727 1.00 42.69 ATOM 329 CG2 THR C 75 -6.957 23.884 -26.906 1.00 37.53 ATOM 330 N LEU C 76 -10.484 23.781 -26.985 1.00 30.17 ATOM 331 CA LEU C 76 -11.467 22.989 -26.201 1.00 29.65 ATOM 332 C LEU C 76 -12.353 22.200 -27.154 1.00 27.35 ATOM 333 O LEU C 76 -12.545 20.962 -26.943 1.00 20.37 ATOM 334 CB LEU C 76 -12.327 23.907 -25.347 1.00 32.09 ATOM 335 CG LEU C 76 -11.809 24.244 -23.961 1.00 38.20 ATOM 336 CD1 LEU C 76 -10.327 24.496 -23.958 1.00 43.49 ATOM 337 CD2 LEU C 76 -12.564 25.434 -23.403 1.00 39.10 ATOM 338 N ARG C 77 -12.891 22.879 -28.169 1.00 26.74 ATOM 339 CA ARG C 77 -13.835 22.293 -29.137 1.00 26.26 ATOM 340 C ARG C 77 -13.168 21.111 -29.851 1.00 26.44 ATOM 341 O ARG C 77 -13.787 20.018 -29.973 1.00 21.36 ATOM 342 CB ARG C 77 -14.264 23.374 -30.132 1.00 32.90 ATOM 343 CG ARG C 77 -15.429 22.991 -31.029 1.00 45.25 ATOM 344 CD ARG C 77 -16.108 24.247 -31.593 1.00 55.33 ATOM 345 NE ARG C 77 -16.894 24.922 -30.558 1.00 61.42 ATOM 346 CZ ARG C 77 -18.078 24.498 -30.090 1.00 66.99 ATOM 347 NH1 ARG C 77 -18.645 23.401 -30.571 1.00 68.32 ATOM 348 NH2 ARG C 77 -18.690 25.165 -29.123 1.00 64.81 ATOM 349 N LYS C 78 -11.952 21.309 -30.344 1.00 21.83 ATOM 350 CA LYS C 78 -11.263 20.293 -31.176 1.00 22.57 ATOM 351 C LYS C 78 -10.926 19.078 -30.299 1.00 18.85 ATOM 352 O LYS C 78 -11.091 17.994 -30.769 1.00 17.37 ATOM 353 CB LYS C 78 -10.014 20.881 -31.813 1.00 26.01 ATOM 354 CG LYS C 78 -10.296 21.730 -33.048 1.00 32.39 ATOM 355 CD LYS C 78 -9.047 22.080 -33.808 1.00 35.69 ATOM 356 CE LYS C 78 -8.131 22.963 -33.007 1.00 39.77 ATOM 357 NZ LYS C 78 -6.802 23.027 -33.665 1.00 49.42 ATOM 358 N TYR C 79 -10.520 19.283 -29.058 1.00 18.79 ATOM 359 CA TYR C 79 -10.145 18.187 -28.123 1.00 18.14 ATOM 360 C TYR C 79 -11.402 17.342 -27.813 1.00 17.97 ATOM 361 O TYR C 79 -11.393 16.123 -28.008 1.00 17.29 ATOM 362 CB TYR C 79 -9.606 18.783 -26.831 1.00 17.18 ATOM 363 CG TYR C 79 -9.247 17.769 -25.781 1.00 18.11 ATOM 364 CD1 TYR C 79 -7.992 17.188 -25.750 1.00 18.99 ATOM 365 CD2 TYR C 79 -10.155 17.373 -24.824 1.00 18.96 ATOM 366 CE1 TYR C 79 -7.622 16.308 -24.743 1.00 19.63 ATOM 367 CE2 TYR C 79 -9.834 16.404 -23.890 1.00 20.11 ATOM 368 CZ TYR C 79 -8.543 15.912 -23.806 1.00 19.75 ATOM 369 OH TYR C 79 -8.200 15.013 -22.831 1.00 19.66 ATOM 370 N VAL C 80 -12.483 18.005 -27.427 1.00 18.01 ATOM 371 CA VAL C 80 -13.777 17.366 -27.051 1.00 18.89 ATOM 372 C VAL C 80 -14.352 16.626 -28.250 1.00 19.95 ATOM 373 O VAL C 80 -14.722 15.412 -28.135 1.00 18.00 ATOM 374 CB VAL C 80 -14.753 18.393 -26.477 1.00 20.41 ATOM 375 CG1 VAL C 80 -16.141 17.789 -26.326 1.00 23.02 ATOM 376 CG2 VAL C 80 -14.250 18.888 -25.135 1.00 21.91 ATOM 377 N SER C 81 -14.382 17.282 -29.393 1.00 18.98 ATOM 378 CA SER C 81 -14.959 16.675 -30.607 1.00 23.98 ATOM 379 C SER C 81 -14.110 15.479 -31.107 1.00 23.64 ATOM 380 O SER C 81 -14.696 14.445 -31.474 1.00 21.25 ATOM 381 CB SER C 81 -15.225 17.764 -31.628 1.00 26.74 ATOM 382 OG SER C 81 -14.825 17.273 -32.852 1.00 32.50 ATOM 383 N ALA C 82 -12.782 15.529 -31.033 1.00 21.68 ATOM 384 CA ALA C 82 -11.934 14.378 -31.414 1.00 20.74 ATOM 385 C ALA C 82 -12.239 13.166 -30.539 1.00 19.75 ATOM 386 O ALA C 82 -11.977 12.039 -31.015 1.00 19.78 ATOM 387 CB ALA C 82 -10.473 14.721 -31.299 1.00 23.41 ATOM 388 N LEU C 83 -12.657 13.370 -29.292 1.00 18.33 ATOM 389 CA LEU C 83 -12.880 12.264 -28.346 1.00 18.33 ATOM 390 C LEU C 83 -14.379 11.964 -28.219 1.00 17.80 ATOM 391 O LEU C 83 -14.707 11.252 -27.296 1.00 19.87 ATOM 392 CB LEU C 83 -12.202 12.604 -27.028 1.00 17.47 ATOM 393 CG LEU C 83 -10.672 12.716 -27.164 1.00 17.74 ATOM 394 CD1 LEU C 83 -10.058 13.385 -25.941 1.00 17.12 ATOM 395 CD2 LEU C 83 -10.060 11.356 -27.388 1.00 19.28 ATOM 396 N GLY C 84 -15.185 12.439 -29.158 1.00 17.90 ATOM 397 CA GLY C 84 -16.595 12.017 -29.394 1.00 19.66 ATOM 398 C GLY C 84 -17.584 12.869 -28.616 1.00 22.15 ATOM 399 O GLY C 84 -18.736 12.467 -28.516 1.00 20.06 ATOM 400 N GLY C 85 -17.151 13.972 -27.990 1.00 18.12 ATOM 401 CA GLY C 85 -18.090 14.828 -27.255 1.00 21.66 ATOM 402 C GLY C 85 -18.537 15.977 -28.117 1.00 20.20 ATOM 403 O GLY C 85 -18.044 16.087 -29.257 1.00 20.51 ATOM 404 N GLU C 86 -19.362 16.839 -27.557 1.00 21.75 ATOM 405 CA GLU C 86 -19.710 18.162 -28.136 1.00 24.62 ATOM 406 C GLU C 86 -19.578 19.212 -27.050 1.00 22.56 ATOM 407 O GLU C 86 -19.967 18.936 -25.899 1.00 21.92 ATOM 408 CB GLU C 86 -21.148 18.161 -28.669 1.00 28.66 ATOM 409 CG GLU C 86 -21.289 17.251 -29.868 1.00 37.78 ATOM 410 CD GLU C 86 -22.498 17.489 -30.768 1.00 47.74 ATOM 411 OE1 GLU C 86 -23.575 17.880 -30.241 1.00 54.59 ATOM 412 OE2 GLU C 86 -22.357 17.266 -31.996 1.00 53.72 ATOM 413 N LEU C 87 -19.046 20.360 -27.421 1.00 21.95 ATOM 414 CA LEU C 87 -18.810 21.495 -26.509 1.00 24.84 ATOM 415 C LEU C 87 -19.913 22.507 -26.784 1.00 22.90 ATOM 416 O LEU C 87 -20.140 22.782 -27.960 1.00 24.16 ATOM 417 CB LEU C 87 -17.449 22.111 -26.823 1.00 28.51 ATOM 418 CG LEU C 87 -17.024 23.211 -25.845 1.00 32.31 ATOM 419 CD1 LEU C 87 -16.470 22.616 -24.567 1.00 32.74 ATOM 420 CD2 LEU C 87 -15.986 24.122 -26.477 1.00 37.07 ATOM 421 N ASP C 88 -20.634 22.933 -25.764 1.00 23.27 ATOM 422 CA ASP C 88 -21.657 24.000 -25.887 1.00 25.29 ATOM 423 C ASP C 88 -21.234 25.185 -25.031 1.00 25.24 ATOM 424 O ASP C 88 -20.873 25.001 -23.860 1.00 28.13 ATOM 425 CB ASP C 88 -23.019 23.545 -25.385 1.00 30.00 ATOM 426 CG ASP C 88 -23.762 22.619 -26.324 1.00 35.54 ATOM 427 OD1 ASP C 88 -23.280 22.408 -27.459 1.00 36.95 ATOM 428 OD2 ASP C 88 -24.814 22.116 -25.900 1.00 37.02 ATOM 429 N ILE C 89 -21.299 26.368 -25.609 1.00 27.08 ATOM 430 CA ILE C 89 -20.986 27.648 -24.923 1.00 26.09 ATOM 431 C ILE C 89 -22.277 28.459 -24.912 1.00 25.38 ATOM 432 O ILE C 89 -22.829 28.740 -25.971 1.00 21.04 ATOM 433 CB ILE C 89 -19.852 28.365 -25.678 1.00 27.77 ATOM 434 CG1 ILE C 89 -18.615 27.463 -25.702 1.00 32.42 ATOM 435 CG2 ILE C 89 -19.577 29.726 -25.064 1.00 33.95 ATOM 436 CD1 ILE C 89 -17.472 27.987 -26.472 1.00 31.15 ATOM 437 N THR C 90 -22.762 28.821 -23.752 1.00 26.30 ATOM 438 CA THR C 90 -24.033 29.557 -23.661 1.00 29.03 ATOM 439 C THR C 90 -23.784 30.740 -22.738 1.00 29.32 ATOM 440 O THR C 90 -22.933 30.606 -21.825 1.00 27.09 ATOM 441 CB THR C 90 -25.165 28.653 -23.166 1.00 32.38 ATOM 442 OG1 THR C 90 -24.819 28.289 -21.841 1.00 38.03 ATOM 443 CG2 THR C 90 -25.346 27.400 -23.980 1.00 33.35 ATOM 444 N VAL C 91 -24.497 31.833 -22.980 1.00 29.54 ATOM 445 CA VAL C 91 -24.510 33.020 -22.095 1.00 32.10 ATOM 446 C VAL C 91 -25.903 33.172 -21.494 1.00 36.95 ATOM 447 O VAL C 91 -26.865 33.226 -22.284 1.00 39.19 ATOM 448 CB VAL C 91 -24.133 34.297 -22.851 1.00 30.91 ATOM 449 CG1 VAL C 91 -24.532 35.536 -22.054 1.00 34.50 ATOM 450 CG2 VAL C 91 -22.665 34.302 -23.194 1.00 31.73 ATOM 451 N ARG C 92 -25.968 33.333 -20.170 1.00 34.73 ATOM 452 CA ARG C 92 -27.200 33.752 -19.457 1.00 37.97 ATOM 453 C ARG C 92 -27.086 35.263 -19.180 1.00 35.31 ATOM 454 O ARG C 92 -26.153 35.671 -18.502 1.00 32.10 ATOM 455 CB ARG C 92 -27.411 32.920 -18.189 1.00 38.03 ATOM 456 CG ARG C 92 -27.716 31.446 -18.441 1.00 49.07 ATOM 457 CD ARG C 92 -27.772 30.579 -17.182 1.00 50.09 ATOM 458 NE ARG C 92 -26.443 30.286 -16.617 1.00 56.47 ATOM 459 CZ ARG C 92 -25.862 30.904 -15.570 1.00 53.69 ATOM 460 NH1 ARG C 92 -26.481 31.880 -14.925 1.00 62.70 ATOM 461 NH2 ARG C 92 -24.655 30.540 -15.165 1.00 44.34 ATOM 462 N LEU C 93 -27.999 36.044 -19.750 1.00 36.77 ATOM 463 CA LEU C 93 -28.159 37.502 -19.511 1.00 40.39 ATOM 464 C LEU C 93 -29.582 37.716 -18.980 1.00 44.98 ATOM 465 O LEU C 93 -30.533 37.577 -19.766 1.00 43.43 ATOM 466 CB LEU C 93 -27.920 38.208 -20.842 1.00 40.22 ATOM 467 CG LEU C 93 -27.345 39.619 -20.808 1.00 47.19 ATOM 468 CD1 LEU C 93 -26.138 39.711 -19.893 1.00 49.47 ATOM 469 CD2 LEU C 93 -26.971 40.039 -22.221 1.00 45.25 ATOM 470 N GLY C 94 -29.700 37.979 -17.677 1.00 51.70 ATOM 471 CA GLY C 94 -30.980 38.117 -16.964 1.00 54.09 ATOM 472 C GLY C 94 -31.681 36.777 -16.889 1.00 55.42 ATOM 473 O GLY C 94 -31.108 35.832 -16.278 1.00 49.99 ATOM 474 N ASP C 95 -32.845 36.682 -17.532 1.00 58.67 ATOM 475 CA ASP C 95 -33.683 35.454 -17.579 1.00 67.31 ATOM 476 C ASP C 95 -33.379 34.681 -18.874 1.00 67.96 ATOM 477 O ASP C 95 -33.751 33.482 -18.937 1.00 69.62 ATOM 478 CB ASP C 95 -35.171 35.811 -17.445 1.00 73.97 ATOM 479 CG ASP C 95 -35.817 36.364 -18.714 1.00 77.61 ATOM 480 OD1 ASP C 95 -36.647 37.291 -18.588 1.00 73.09 ATOM 481 OD2 ASP C 95 -35.505 35.853 -19.822 1.00 76.26 ATOM 482 N GLU C 96 -32.737 35.332 -19.859 1.00 66.52 ATOM 483 CA GLU C 96 -32.565 34.801 -21.240 1.00 65.24 ATOM 484 C GLU C 96 -31.278 33.976 -21.337 1.00 59.71 ATOM 485 O GLU C 96 -30.332 34.237 -20.583 1.00 57.04 ATOM 486 CB GLU C 96 -32.511 35.917 -22.281 1.00 61.33 ATOM 487 CG GLU C 96 -33.752 36.779 -22.339 1.00 65.54 ATOM 488 CD GLU C 96 -33.849 37.605 -23.613 1.00 71.86 ATOM 489 OE1 GLU C 96 -33.507 37.061 -24.685 1.00 72.12 ATOM 490 OE2 GLU C 96 -34.263 38.784 -23.538 1.00 74.38 ATOM 491 N THR C 97 -31.250 33.021 -22.266 1.00 55.39 ATOM 492 CA THR C 97 -30.091 32.137 -22.540 1.00 46.31 ATOM 493 C THR C 97 -29.753 32.230 -24.024 1.00 45.03 ATOM 494 O THR C 97 -30.684 32.152 -24.833 1.00 41.68 ATOM 495 CB THR C 97 -30.411 30.714 -22.090 1.00 49.93 ATOM 496 OG1 THR C 97 -30.905 30.920 -20.776 1.00 56.34 ATOM 497 CG2 THR C 97 -29.229 29.771 -22.065 1.00 48.02 ATOM 498 N PHE C 98 -28.482 32.457 -24.367 1.00 39.34 ATOM 499 CA PHE C 98 -28.009 32.567 -25.771 1.00 35.69 ATOM 500 C PHE C 98 -26.967 31.474 -25.989 1.00 37.98 ATOM 501 O PHE C 98 -26.077 31.342 -25.125 1.00 36.56 ATOM 502 CB PHE C 98 -27.434 33.965 -26.024 1.00 35.60 ATOM 503 CG PHE C 98 -28.413 35.054 -25.686 1.00 38.05 ATOM 504 CD1 PHE C 98 -29.291 35.525 -26.646 1.00 39.51 ATOM 505 CD2 PHE C 98 -28.519 35.537 -24.391 1.00 40.76 ATOM 506 CE1 PHE C 98 -30.230 36.491 -26.326 1.00 43.97 ATOM 507 CE2 PHE C 98 -29.443 36.520 -24.076 1.00 39.69 ATOM 508 CZ PHE C 98 -30.295 36.997 -25.046 1.00 44.10 ATOM 509 N THR C 99 -27.044 30.707 -27.071 1.00 34.12 ATOM 510 CA THR C 99 -25.916 29.807 -27.416 1.00 39.41 ATOM 511 C THR C 99 -25.034 30.578 -28.393 1.00 40.09 ATOM 512 O THR C 99 -25.562 31.307 -29.242 1.00 40.78 ATOM 513 CB THR C 99 -26.322 28.355 -27.734 1.00 42.30 ATOM 514 OG1 THR C 99 -25.513 27.900 -28.826 1.00 42.24 ATOM 515 CG2 THR C 99 -27.788 28.168 -28.011 1.00 38.18 ATOM 516 N LEU C 100 -23.744 30.598 -28.066 1.00 37.08 ATOM 517 CA LEU C 100 -22.654 31.248 -28.833 1.00 37.49 ATOM 518 C LEU C 100 -22.090 30.167 -29.748 1.00 41.40 ATOM 519 O LEU C 100 -21.736 30.465 -30.891 1.00 44.69 ATOM 520 CB LEU C 100 -21.560 31.701 -27.865 1.00 33.93 ATOM 521 CG LEU C 100 -21.530 33.145 -27.395 1.00 33.82 ATOM 522 CD1 LEU C 100 -22.891 33.758 -27.209 1.00 36.42 ATOM 523 CD2 LEU C 100 -20.714 33.258 -26.116 1.00 34.67 ATOM 524 N ALA C 101 -22.006 28.954 -29.198 1.00 48.79 ATOM 525 CA ALA C 101 -21.373 27.763 -29.797 1.00 48.64 ATOM 526 C ALA C 101 -21.803 26.528 -28.999 1.00 48.03 ATOM 527 O ALA C 101 -21.839 25.501 -29.658 1.00 57.20 ATOM 528 CB ALA C 101 -19.877 27.936 -29.791 1.00 52.56 TER