HEADER GENE REGULATION/DNA 22-JUL-99 1C0W TITLE CRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN TITLE 2 REPRESSOR-DNA COMPLEX REVEALS A METAL BINDING SH-LIKE DOMAIN COMPND MOL_ID: 3; COMPND 2 MOLECULE: DIPHTHERIA TOXIN REPRESSOR; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.20 ANGSTORMS DBREF 1C0W A 2 226 UNP P33120 DTXR_CORDI 2 226 SEQRES 1 A 34 ILE VAL GLN ILE ASN GLU ILE PHE GLN VAL GLU THR ASP SEQRES 2 A 34 GLN PHE THR GLN LEU LEU ASP ALA VAL GLU LEU LEU ASP SEQRES 3 A 34 ASP LEU ALA HIS THR ILE ARG ILE ATOM 1 N ILE A 164 24.705 149.451 12.036 1.00 83.96 ATOM 2 CA ILE A 164 24.772 148.094 12.662 1.00 83.96 ATOM 3 C ILE A 164 24.367 146.960 11.713 1.00 83.96 ATOM 4 O ILE A 164 23.277 146.987 11.131 1.00 90.11 ATOM 5 CB ILE A 164 23.899 148.024 13.935 1.00 90.11 ATOM 6 CG1 ILE A 164 24.390 146.874 14.813 1.00 90.11 ATOM 7 CG2 ILE A 164 22.419 147.858 13.573 1.00 90.11 ATOM 8 CD1 ILE A 164 25.912 146.727 14.840 1.00 90.11 ATOM 9 N VAL A 165 25.238 145.957 11.577 1.00 99.46 ATOM 10 CA VAL A 165 24.987 144.822 10.677 1.00 99.46 ATOM 11 C VAL A 165 24.150 143.664 11.248 1.00 99.46 ATOM 12 O VAL A 165 23.275 143.130 10.562 1.00 67.44 ATOM 13 CB VAL A 165 26.334 144.248 10.116 1.00 67.44 ATOM 14 CG1 VAL A 165 26.820 143.079 10.950 1.00 67.44 ATOM 15 CG2 VAL A 165 26.155 143.805 8.681 1.00 67.44 ATOM 16 N GLN A 166 24.414 143.278 12.493 1.00 81.65 ATOM 17 CA GLN A 166 23.682 142.180 13.116 1.00 81.65 ATOM 18 C GLN A 166 24.166 141.862 14.529 1.00 81.65 ATOM 19 O GLN A 166 25.355 141.985 14.837 1.00 72.40 ATOM 20 CB GLN A 166 23.811 140.929 12.254 1.00 72.40 ATOM 21 CG GLN A 166 25.243 140.467 12.062 1.00 72.40 ATOM 22 CD GLN A 166 25.380 138.957 12.122 1.00 72.40 ATOM 23 OE1 GLN A 166 25.482 138.377 13.202 1.00 72.40 ATOM 24 NE2 GLN A 166 25.379 138.317 10.966 1.00 72.40 ATOM 25 N ILE A 167 23.230 141.446 15.378 1.00 96.09 ATOM 26 CA ILE A 167 23.525 141.088 16.764 1.00 96.09 ATOM 27 C ILE A 167 23.556 139.560 16.876 1.00 96.09 ATOM 28 O ILE A 167 22.506 138.908 16.866 1.00 88.38 ATOM 29 CB ILE A 167 22.443 141.644 17.724 1.00 88.38 ATOM 30 CG1 ILE A 167 22.327 143.163 17.565 1.00 88.38 ATOM 31 CG2 ILE A 167 22.786 141.297 19.161 1.00 88.38 ATOM 32 CD1 ILE A 167 21.231 143.785 18.423 1.00 88.38 ATOM 33 N ASN A 168 24.760 138.999 16.985 1.00 57.38 ATOM 34 CA ASN A 168 24.938 137.550 17.066 1.00 57.38 ATOM 35 C ASN A 168 23.910 136.838 17.951 1.00 57.38 ATOM 36 O ASN A 168 23.361 137.412 18.893 1.00 92.70 ATOM 37 CB ASN A 168 26.362 137.220 17.540 1.00 92.70 ATOM 38 CG ASN A 168 27.260 136.720 16.411 1.00 92.70 ATOM 39 OD1 ASN A 168 28.378 137.210 16.222 1.00 92.70 ATOM 40 ND2 ASN A 168 26.772 135.738 15.659 1.00 92.70 ATOM 41 N GLU A 169 23.660 135.578 17.622 1.00 96.72 ATOM 42 CA GLU A 169 22.706 134.763 18.349 1.00 96.72 ATOM 43 C GLU A 169 23.038 134.719 19.836 1.00 96.72 ATOM 44 O GLU A 169 22.132 134.701 20.673 1.00 37.84 ATOM 45 CB GLU A 169 22.694 133.346 17.767 1.00 37.84 ATOM 46 CG GLU A 169 21.862 133.207 16.507 1.00 37.84 ATOM 47 CD GLU A 169 20.410 133.533 16.746 1.00 37.84 ATOM 48 OE1 GLU A 169 19.929 133.281 17.869 1.00 37.84 ATOM 49 OE2 GLU A 169 19.754 134.041 15.813 1.00 37.84 ATOM 50 N ILE A 170 24.331 134.714 20.160 1.00 55.76 ATOM 51 CA ILE A 170 24.770 134.668 21.559 1.00 55.76 ATOM 52 C ILE A 170 24.382 135.923 22.357 1.00 55.76 ATOM 53 O ILE A 170 24.177 135.851 23.565 1.00 44.72 ATOM 54 CB ILE A 170 26.315 134.440 21.663 1.00 44.72 ATOM 55 CG1 ILE A 170 26.614 133.275 22.610 1.00 44.72 ATOM 56 CG2 ILE A 170 27.010 135.686 22.180 1.00 44.72 ATOM 57 CD1 ILE A 170 26.450 133.609 24.078 1.00 44.72 ATOM 58 N PHE A 171 24.285 137.069 21.688 1.00 70.47 ATOM 59 CA PHE A 171 23.909 138.304 22.371 1.00 70.47 ATOM 60 C PHE A 171 22.408 138.315 22.634 1.00 70.47 ATOM 61 O PHE A 171 21.952 138.744 23.692 1.00 60.79 ATOM 62 CB PHE A 171 24.283 139.530 21.530 1.00 60.79 ATOM 63 CG PHE A 171 24.458 140.798 22.335 1.00 60.79 ATOM 64 CD1 PHE A 171 23.352 141.560 22.710 1.00 60.79 ATOM 65 CD2 PHE A 171 25.731 141.234 22.703 1.00 60.79 ATOM 66 CE1 PHE A 171 23.507 142.733 23.437 1.00 60.79 ATOM 67 CE2 PHE A 171 25.896 142.405 23.430 1.00 60.79 ATOM 68 CZ PHE A 171 24.778 143.157 23.797 1.00 60.79 ATOM 69 N GLN A 172 21.645 137.835 21.661 1.00 67.77 ATOM 70 CA GLN A 172 20.197 137.800 21.784 1.00 67.77 ATOM 71 C GLN A 172 19.766 137.092 23.067 1.00 67.77 ATOM 72 O GLN A 172 18.668 137.333 23.582 1.00 71.08 ATOM 73 CB GLN A 172 19.594 137.106 20.563 1.00 71.08 ATOM 74 CG GLN A 172 20.411 137.256 19.289 1.00 71.08 ATOM 75 CD GLN A 172 19.793 136.508 18.125 1.00 71.08 ATOM 76 OE1 GLN A 172 18.921 135.663 18.316 1.00 71.08 ATOM 77 NE2 GLN A 172 20.231 136.823 16.912 1.00 71.08 ATOM 78 N VAL A 173 20.640 136.229 23.582 1.00 96.46 ATOM 79 CA VAL A 173 20.357 135.480 24.802 1.00 96.46 ATOM 80 C VAL A 173 20.639 136.297 26.063 1.00 96.46 ATOM 81 O VAL A 173 19.905 136.205 27.051 1.00 90.45 ATOM 82 CB VAL A 173 21.185 134.187 24.872 1.00 90.45 ATOM 83 CG1 VAL A 173 20.481 133.181 25.757 1.00 90.45 ATOM 84 CG2 VAL A 173 21.384 133.619 23.483 1.00 90.45 ATOM 85 N GLU A 174 21.711 137.086 26.029 1.00 98.62 ATOM 86 CA GLU A 174 22.080 137.932 27.160 1.00 98.62 ATOM 87 C GLU A 174 20.962 138.952 27.389 1.00 98.62 ATOM 88 O GLU A 174 21.031 140.083 26.910 1.00100.00 ATOM 89 CB GLU A 174 23.403 138.644 26.864 1.00100.00 ATOM 90 CG GLU A 174 23.839 139.625 27.929 1.00100.00 ATOM 91 CD GLU A 174 23.583 139.118 29.330 1.00100.00 ATOM 92 OE1 GLU A 174 24.399 138.304 29.814 1.00100.00 ATOM 93 OE2 GLU A 174 22.570 139.528 29.945 1.00100.00 ATOM 94 N THR A 175 19.937 138.540 28.133 1.00 71.41 ATOM 95 CA THR A 175 18.775 139.387 28.407 1.00 71.41 ATOM 96 C THR A 175 19.109 140.765 28.949 1.00 71.41 ATOM 97 O THR A 175 18.846 141.772 28.296 1.00 91.05 ATOM 98 CB THR A 175 17.814 138.709 29.398 1.00 91.05 ATOM 99 OG1 THR A 175 18.535 137.736 30.167 1.00 91.05 ATOM 100 CG2 THR A 175 16.667 138.031 28.651 1.00 91.05 ATOM 101 N ASP A 176 19.683 140.804 30.146 1.00100.00 ATOM 102 CA ASP A 176 20.043 142.065 30.779 1.00100.00 ATOM 103 C ASP A 176 20.823 142.999 29.843 1.00100.00 ATOM 104 O ASP A 176 20.393 144.124 29.586 1.00100.00 ATOM 105 CB ASP A 176 20.850 141.793 32.054 1.00100.00 ATOM 106 N GLN A 177 21.960 142.535 29.328 1.00 98.04 ATOM 107 CA GLN A 177 22.786 143.354 28.441 1.00 98.04 ATOM 108 C GLN A 177 22.129 143.661 27.093 1.00 98.04 ATOM 109 O GLN A 177 22.465 144.651 26.447 1.00 86.44 ATOM 110 CB GLN A 177 24.147 142.678 28.230 1.00 86.44 ATOM 111 CG GLN A 177 24.933 143.195 27.037 1.00 86.44 ATOM 112 CD GLN A 177 26.210 143.917 27.433 1.00 86.44 ATOM 113 OE1 GLN A 177 27.304 143.548 27.009 1.00 86.44 ATOM 114 NE2 GLN A 177 26.074 144.954 28.247 1.00 86.44 ATOM 115 N PHE A 178 21.189 142.818 26.675 1.00 83.28 ATOM 116 CA PHE A 178 20.492 143.023 25.405 1.00 83.28 ATOM 117 C PHE A 178 19.402 144.079 25.540 1.00 83.28 ATOM 118 O PHE A 178 19.230 144.914 24.657 1.00 81.83 ATOM 119 CB PHE A 178 19.859 141.715 24.907 1.00 81.83 ATOM 120 CG PHE A 178 18.938 141.892 23.719 1.00 81.83 ATOM 121 CD1 PHE A 178 19.450 141.918 22.423 1.00 81.83 ATOM 122 CD2 PHE A 178 17.561 142.036 23.897 1.00 81.83 ATOM 123 CE1 PHE A 178 18.607 142.085 21.323 1.00 81.83 ATOM 124 CE2 PHE A 178 16.711 142.203 22.805 1.00 81.83 ATOM 125 CZ PHE A 178 17.234 142.228 21.517 1.00 81.83 ATOM 126 N THR A 179 18.655 144.031 26.639 1.00 83.03 ATOM 127 CA THR A 179 17.588 144.999 26.860 1.00 83.03 ATOM 128 C THR A 179 18.198 146.379 27.092 1.00 83.03 ATOM 129 O THR A 179 17.546 147.397 26.869 1.00 93.13 ATOM 130 CB THR A 179 16.700 144.604 28.064 1.00 93.13 ATOM 131 OG1 THR A 179 17.511 144.452 29.234 1.00 93.13 ATOM 132 CG2 THR A 179 15.977 143.288 27.782 1.00 93.13 ATOM 133 N GLN A 180 19.452 146.405 27.542 1.00100.00 ATOM 134 CA GLN A 180 20.162 147.663 27.767 1.00100.00 ATOM 135 C GLN A 180 20.486 148.172 26.370 1.00100.00 ATOM 136 O GLN A 180 20.560 149.376 26.122 1.00 81.87 ATOM 137 CB GLN A 180 21.460 147.424 28.562 1.00 81.87 ATOM 138 N LEU A 181 20.668 147.220 25.463 1.00100.00 ATOM 139 CA LEU A 181 20.975 147.496 24.068 1.00100.00 ATOM 140 C LEU A 181 19.696 147.946 23.360 1.00100.00 ATOM 141 O LEU A 181 19.741 148.734 22.413 1.00 73.07 ATOM 142 CB LEU A 181 21.527 146.224 23.410 1.00 73.07 ATOM 143 CG LEU A 181 22.226 146.282 22.052 1.00 73.07 ATOM 144 CD1 LEU A 181 21.194 146.290 20.944 1.00 73.07 ATOM 145 CD2 LEU A 181 23.099 147.511 21.981 1.00 73.07 ATOM 146 N LEU A 182 18.559 147.436 23.827 1.00 78.92 ATOM 147 CA LEU A 182 17.264 147.777 23.248 1.00 78.92 ATOM 148 C LEU A 182 16.814 149.113 23.816 1.00 78.92 ATOM 149 O LEU A 182 16.074 149.862 23.174 1.00 71.08 ATOM 150 CB LEU A 182 16.240 146.692 23.571 1.00 71.08 ATOM 151 N ASP A 183 17.273 149.408 25.028 1.00100.00 ATOM 152 CA ASP A 183 16.933 150.663 25.676 1.00100.00 ATOM 153 C ASP A 183 17.561 151.774 24.841 1.00100.00 ATOM 154 O ASP A 183 17.387 152.959 25.131 1.00 82.84 ATOM 155 CB ASP A 183 17.481 150.685 27.101 1.00 82.84 ATOM 156 N ALA A 184 18.279 151.362 23.792 1.00 98.76 ATOM 157 CA ALA A 184 18.959 152.269 22.865 1.00 98.76 ATOM 158 C ALA A 184 18.608 152.001 21.385 1.00 98.76 ATOM 159 O ALA A 184 17.728 152.713 20.845 1.00 83.78 ATOM 160 CB ALA A 184 20.470 152.163 23.070 1.00 83.78 ATOM 161 N VAL A 210 25.852 152.437 25.557 1.00 69.20 ATOM 162 CA VAL A 210 26.032 151.221 26.409 1.00 69.20 ATOM 163 C VAL A 210 27.390 150.543 26.180 1.00 69.20 ATOM 164 O VAL A 210 27.972 150.620 25.094 1.00 92.15 ATOM 165 CB VAL A 210 24.903 150.178 26.157 1.00 92.15 ATOM 166 CG1 VAL A 210 25.036 149.001 27.127 1.00 92.15 ATOM 167 CG2 VAL A 210 23.546 150.835 26.322 1.00 92.15 ATOM 168 N GLU A 211 27.884 149.890 27.230 1.00100.00 ATOM 169 CA GLU A 211 29.159 149.184 27.203 1.00100.00 ATOM 170 C GLU A 211 28.877 147.692 27.283 1.00100.00 ATOM 171 O GLU A 211 28.117 147.249 28.140 1.00 92.02 ATOM 172 CB GLU A 211 30.011 149.614 28.384 1.00 92.02 ATOM 173 N LEU A 212 29.489 146.917 26.396 1.00 94.10 ATOM 174 CA LEU A 212 29.269 145.475 26.390 1.00 94.10 ATOM 175 C LEU A 212 30.413 144.690 27.010 1.00 94.10 ATOM 176 O LEU A 212 31.583 145.027 26.829 1.00 76.63 ATOM 177 CB LEU A 212 29.037 144.977 24.965 1.00 76.63 ATOM 178 CG LEU A 212 29.530 145.870 23.829 1.00 76.63 ATOM 179 CD1 LEU A 212 30.320 145.038 22.832 1.00 76.63 ATOM 180 CD2 LEU A 212 28.336 146.535 23.160 1.00 76.63 ATOM 181 N LEU A 213 30.062 143.634 27.734 1.00 74.65 ATOM 182 CA LEU A 213 31.051 142.785 28.388 1.00 74.65 ATOM 183 C LEU A 213 32.114 142.379 27.380 1.00 74.65 ATOM 184 O LEU A 213 31.805 142.084 26.229 1.00 77.58 ATOM 185 CB LEU A 213 30.381 141.536 28.979 1.00 77.58 ATOM 186 CG LEU A 213 28.857 141.557 29.187 1.00 77.58 ATOM 187 CD1 LEU A 213 28.415 140.232 29.790 1.00 77.58 ATOM 188 CD2 LEU A 213 28.449 142.710 30.093 1.00 77.58 ATOM 189 N ASP A 214 33.369 142.378 27.817 1.00100.00 ATOM 190 CA ASP A 214 34.477 142.014 26.946 1.00100.00 ATOM 191 C ASP A 214 34.173 140.721 26.183 1.00100.00 ATOM 192 O ASP A 214 34.588 140.555 25.035 1.00 94.02 ATOM 193 CB ASP A 214 35.761 141.866 27.769 1.00 94.02 ATOM 194 N ASP A 215 33.440 139.809 26.816 1.00100.00 ATOM 195 CA ASP A 215 33.088 138.545 26.174 1.00100.00 ATOM 196 C ASP A 215 32.093 138.773 25.033 1.00100.00 ATOM 197 O ASP A 215 32.231 138.191 23.957 1.00 95.30 ATOM 198 CB ASP A 215 32.499 137.580 27.204 1.00 95.30 ATOM 199 N LEU A 216 31.101 139.630 25.278 1.00 75.89 ATOM 200 CA LEU A 216 30.067 139.955 24.291 1.00 75.89 ATOM 201 C LEU A 216 30.532 140.976 23.256 1.00 75.89 ATOM 202 O LEU A 216 29.749 141.414 22.410 1.00 84.80 ATOM 203 CB LEU A 216 28.823 140.509 24.990 1.00 84.80 ATOM 204 CG LEU A 216 27.905 139.499 25.675 1.00 84.80 ATOM 205 CD1 LEU A 216 26.842 140.226 26.479 1.00 84.80 ATOM 206 CD2 LEU A 216 27.266 138.613 24.627 1.00 84.80 ATOM 207 N ALA A 217 31.803 141.351 23.334 1.00 68.78 ATOM 208 CA ALA A 217 32.387 142.327 22.423 1.00 68.78 ATOM 209 C ALA A 217 32.298 141.894 20.962 1.00 68.78 ATOM 210 O ALA A 217 31.685 142.573 20.139 1.00 90.63 ATOM 211 CB ALA A 217 33.833 142.569 22.802 1.00 90.63 ATOM 212 N HIS A 218 32.919 140.760 20.650 1.00 61.46 ATOM 213 CA HIS A 218 32.931 140.212 19.294 1.00 61.46 ATOM 214 C HIS A 218 31.551 139.688 18.883 1.00 61.46 ATOM 215 O HIS A 218 31.418 138.953 17.906 1.00 75.30 ATOM 216 CB HIS A 218 33.937 139.063 19.222 1.00 75.30 ATOM 217 CG HIS A 218 33.418 137.785 19.799 1.00 75.30 ATOM 218 ND1 HIS A 218 32.578 137.756 20.891 1.00 75.30 ATOM 219 CD2 HIS A 218 33.565 136.500 19.404 1.00 75.30 ATOM 220 CE1 HIS A 218 32.229 136.509 21.142 1.00 75.30 ATOM 221 NE2 HIS A 218 32.813 135.726 20.254 1.00 75.30 ATOM 222 N THR A 219 30.526 140.070 19.631 1.00 63.95 ATOM 223 CA THR A 219 29.175 139.612 19.359 1.00 63.95 ATOM 224 C THR A 219 28.393 140.440 18.353 1.00 63.95 ATOM 225 O THR A 219 27.685 139.887 17.516 1.00 99.96 ATOM 226 CB THR A 219 28.365 139.545 20.647 1.00 99.96 ATOM 227 OG1 THR A 219 29.090 138.784 21.619 1.00 99.96 ATOM 228 CG2 THR A 219 27.037 138.887 20.393 1.00 99.96 ATOM 229 N ILE A 220 28.502 141.760 18.436 1.00 56.56 ATOM 230 CA ILE A 220 27.779 142.621 17.509 1.00 56.56 ATOM 231 C ILE A 220 28.657 143.087 16.350 1.00 56.56 ATOM 232 O ILE A 220 29.579 143.882 16.538 1.00 73.93 ATOM 233 CB ILE A 220 27.214 143.848 18.223 1.00 73.93 ATOM 234 CG1 ILE A 220 26.533 143.414 19.516 1.00 73.93 ATOM 235 CG2 ILE A 220 26.230 144.561 17.319 1.00 73.93 ATOM 236 CD1 ILE A 220 26.464 144.497 20.553 1.00 73.93 ATOM 237 N ARG A 221 28.363 142.588 15.151 1.00 63.73 ATOM 238 CA ARG A 221 29.124 142.940 13.956 1.00 63.73 ATOM 239 C ARG A 221 28.492 144.142 13.273 1.00 63.73 ATOM 240 O ARG A 221 27.390 144.564 13.631 1.00 29.09 ATOM 241 CB ARG A 221 29.152 141.754 12.993 1.00 29.09 ATOM 242 N ILE A 222 29.206 144.701 12.304 1.00100.00 ATOM 243 CA ILE A 222 28.720 145.834 11.517 1.00100.00 ATOM 244 C ILE A 222 29.786 146.218 10.498 1.00100.00 ATOM 245 O ILE A 222 30.887 145.611 10.581 1.00 61.85 ATOM 246 CB ILE A 222 28.372 147.077 12.381 1.00 61.85 ATOM 247 CG1 ILE A 222 27.473 148.021 11.558 1.00 61.85 ATOM 248 CG2 ILE A 222 29.642 147.741 12.879 1.00 61.85 ATOM 249 CD1 ILE A 222 27.919 149.485 11.433 1.00 61.85 TER