HEADER HYDROLASE/DNA 22-APR-04 1T2T TITLE Crystal structure of the DNA-binding domain of intron endonuclease TITLE 2 I-TevI with operator site COMPND MOL_ID: 3; COMPND 2 MOLECULE: Intron-associated endonuclease 1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.-.-; COMPND 5 FRAGMENT: DNA-binding domain (residues ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 1T2T A 130 245 UNP P13299 TEV1_BPT4 130 245 SEQRES 1 A 33 LYS PHE CYS LYS CYS GLY VAL ARG ILE GLN THR SER ALA SEQRES 2 A 33 TYR THR CYS SER LYS CYS ARG ASN ARG SER GLY GLU ASN SEQRES 3 A 33 ASN SER PHE PHE ASN HIS LYS ATOM 1 N LYS A 149 29.574 18.476 54.480 1.00 47.16 ATOM 2 CA LYS A 149 28.901 19.373 53.490 1.00 48.16 ATOM 3 C LYS A 149 27.371 19.203 53.553 1.00 49.03 ATOM 4 O LYS A 149 26.857 18.109 53.854 1.00 48.88 ATOM 5 CB LYS A 149 29.424 19.065 52.078 1.00 47.61 ATOM 6 CG LYS A 149 28.675 19.756 50.943 1.00 47.28 ATOM 7 CD LYS A 149 29.026 19.125 49.587 1.00 47.47 ATOM 8 CE LYS A 149 28.428 19.917 48.429 1.00 47.80 ATOM 9 NZ LYS A 149 28.503 19.213 47.108 1.00 47.48 ATOM 10 N PHE A 150 26.652 20.293 53.272 1.00 49.83 ATOM 11 CA PHE A 150 25.197 20.278 53.295 1.00 49.73 ATOM 12 C PHE A 150 24.598 20.396 51.906 1.00 50.50 ATOM 13 O PHE A 150 25.113 21.134 51.049 1.00 50.95 ATOM 14 CB PHE A 150 24.651 21.414 54.163 1.00 48.77 ATOM 15 CG PHE A 150 24.995 21.282 55.620 1.00 48.36 ATOM 16 CD1 PHE A 150 26.106 21.929 56.147 1.00 47.96 ATOM 17 CD2 PHE A 150 24.233 20.475 56.456 1.00 47.66 ATOM 18 CE1 PHE A 150 26.455 21.771 57.475 1.00 47.65 ATOM 19 CE2 PHE A 150 24.580 20.311 57.793 1.00 48.14 ATOM 20 CZ PHE A 150 25.694 20.960 58.302 1.00 47.47 ATOM 21 N CYS A 151 23.507 19.667 51.692 1.00 51.07 ATOM 22 CA CYS A 151 22.800 19.673 50.416 1.00 51.01 ATOM 23 C CYS A 151 21.824 20.864 50.411 1.00 51.08 ATOM 24 O CYS A 151 21.501 21.423 51.477 1.00 51.40 ATOM 25 CB CYS A 151 22.033 18.354 50.252 1.00 50.18 ATOM 26 SG CYS A 151 20.896 18.311 48.820 1.00 49.82 ATOM 27 N LYS A 152 21.345 21.244 49.229 1.00 50.59 ATOM 28 CA LYS A 152 20.425 22.366 49.131 1.00 50.53 ATOM 29 C LYS A 152 19.154 22.158 49.985 1.00 51.43 ATOM 30 O LYS A 152 18.592 23.131 50.515 1.00 50.46 ATOM 31 CB LYS A 152 20.035 22.627 47.664 1.00 48.44 ATOM 32 CG LYS A 152 18.999 21.693 47.078 0.50 47.43 ATOM 33 CD LYS A 152 18.579 22.168 45.693 0.50 46.69 ATOM 34 CE LYS A 152 17.454 21.326 45.116 0.50 45.92 ATOM 35 NZ LYS A 152 17.842 19.902 44.985 0.50 45.67 ATOM 36 N CYS A 153 18.709 20.901 50.108 1.00 52.04 ATOM 37 CA CYS A 153 17.510 20.579 50.898 1.00 52.73 ATOM 38 C CYS A 153 17.796 20.695 52.401 1.00 53.31 ATOM 39 O CYS A 153 16.860 20.709 53.213 1.00 53.03 ATOM 40 CB CYS A 153 17.034 19.145 50.616 1.00 52.37 ATOM 41 SG CYS A 153 18.059 17.879 51.481 1.00 53.66 ATOM 42 N GLY A 154 19.083 20.750 52.756 1.00 52.61 ATOM 43 CA GLY A 154 19.465 20.851 54.153 1.00 52.80 ATOM 44 C GLY A 154 20.262 19.678 54.725 1.00 53.46 ATOM 45 O GLY A 154 21.125 19.882 55.586 1.00 53.11 ATOM 46 N VAL A 155 19.985 18.455 54.264 1.00 53.98 ATOM 47 CA VAL A 155 20.687 17.277 54.779 1.00 54.31 ATOM 48 C VAL A 155 22.153 17.243 54.352 1.00 54.58 ATOM 49 O VAL A 155 22.523 17.740 53.262 1.00 54.15 ATOM 50 CB VAL A 155 20.052 15.942 54.311 1.00 54.66 ATOM 51 CG1 VAL A 155 18.555 15.931 54.631 1.00 54.44 ATOM 52 CG2 VAL A 155 20.339 15.724 52.811 1.00 53.76 ATOM 53 N ARG A 156 22.970 16.599 55.183 1.00 54.30 ATOM 54 CA ARG A 156 24.392 16.477 54.918 1.00 54.23 ATOM 55 C ARG A 156 24.715 15.357 53.924 1.00 53.58 ATOM 56 O ARG A 156 24.322 14.196 54.093 1.00 52.96 ATOM 57 CB ARG A 156 25.161 16.265 56.232 1.00 54.60 ATOM 58 CG ARG A 156 24.359 15.565 57.352 1.00 55.84 ATOM 59 CD ARG A 156 25.178 15.579 58.660 1.00 56.69 ATOM 60 NE ARG A 156 25.735 16.911 58.925 1.00 57.03 ATOM 61 CZ ARG A 156 26.681 17.178 59.819 1.00 56.06 ATOM 62 NH1 ARG A 156 27.199 16.199 60.574 1.00 56.25 ATOM 63 NH2 ARG A 156 27.128 18.420 59.941 1.00 55.54 ATOM 64 N ILE A 157 25.438 15.743 52.880 1.00 53.01 ATOM 65 CA ILE A 157 25.866 14.839 51.824 1.00 50.96 ATOM 66 C ILE A 157 27.399 14.836 51.788 1.00 50.69 ATOM 67 O ILE A 157 28.039 15.684 52.420 1.00 48.89 ATOM 68 CB ILE A 157 25.340 15.308 50.445 1.00 49.87 ATOM 69 CG1 ILE A 157 25.647 16.808 50.253 1.00 49.17 ATOM 70 CG2 ILE A 157 23.869 15.004 50.321 1.00 49.45 ATOM 71 CD1 ILE A 157 25.315 17.357 48.870 1.00 46.27 ATOM 72 N GLN A 158 27.966 13.874 51.055 1.00 51.32 ATOM 73 CA GLN A 158 29.414 13.762 50.898 1.00 51.96 ATOM 74 C GLN A 158 29.888 14.966 50.091 1.00 51.07 ATOM 75 O GLN A 158 29.208 15.393 49.148 1.00 50.29 ATOM 76 CB GLN A 158 29.788 12.432 50.217 1.00 54.08 ATOM 77 CG GLN A 158 28.586 11.725 49.531 1.00 57.72 ATOM 78 CD GLN A 158 28.940 10.390 48.824 1.00 58.07 ATOM 79 OE1 GLN A 158 28.440 10.112 47.711 1.00 57.87 ATOM 80 NE2 GLN A 158 29.790 9.564 49.475 1.00 56.34 ATOM 81 N THR A 159 31.035 15.518 50.472 1.00 50.33 ATOM 82 CA THR A 159 31.587 16.684 49.790 1.00 50.16 ATOM 83 C THR A 159 31.568 16.511 48.279 1.00 50.38 ATOM 84 O THR A 159 31.385 17.480 47.540 1.00 50.49 ATOM 85 CB THR A 159 33.044 16.958 50.218 1.00 50.32 ATOM 86 OG1 THR A 159 33.939 16.174 49.412 1.00 48.08 ATOM 87 CG2 THR A 159 33.234 16.634 51.725 1.00 50.00 ATOM 88 N SER A 160 31.753 15.273 47.822 1.00 50.98 ATOM 89 CA SER A 160 31.759 14.965 46.391 1.00 50.67 ATOM 90 C SER A 160 30.377 14.875 45.747 1.00 50.80 ATOM 91 O SER A 160 30.244 15.018 44.522 1.00 50.24 ATOM 92 CB SER A 160 32.520 13.660 46.148 1.00 51.35 ATOM 93 OG SER A 160 32.328 12.748 47.219 1.00 51.61 ATOM 94 N ALA A 161 29.348 14.636 46.564 1.00 51.05 ATOM 95 CA ALA A 161 27.966 14.524 46.071 1.00 50.23 ATOM 96 C ALA A 161 27.419 15.898 45.685 1.00 50.43 ATOM 97 O ALA A 161 27.471 16.844 46.483 1.00 51.02 ATOM 98 CB ALA A 161 27.086 13.908 47.152 1.00 48.77 ATOM 99 N TYR A 162 26.889 16.015 44.472 1.00 50.32 ATOM 100 CA TYR A 162 26.343 17.287 44.013 1.00 50.59 ATOM 101 C TYR A 162 24.977 17.570 44.665 1.00 50.46 ATOM 102 O TYR A 162 24.506 18.719 44.665 1.00 49.13 ATOM 103 CB TYR A 162 26.182 17.300 42.481 1.00 51.59 ATOM 104 CG TYR A 162 25.693 18.639 41.936 1.00 52.22 ATOM 105 CD1 TYR A 162 26.458 19.801 42.107 1.00 52.31 ATOM 106 CD2 TYR A 162 24.452 18.754 41.309 1.00 52.11 ATOM 107 CE1 TYR A 162 26.001 21.050 41.677 1.00 52.82 ATOM 108 CE2 TYR A 162 23.968 20.002 40.867 1.00 53.15 ATOM 109 CZ TYR A 162 24.753 21.149 41.065 1.00 53.88 ATOM 110 OH TYR A 162 24.256 22.409 40.722 1.00 53.26 ATOM 111 N THR A 163 24.344 16.523 45.190 1.00 49.34 ATOM 112 CA THR A 163 23.039 16.661 45.842 1.00 49.20 ATOM 113 C THR A 163 22.721 15.346 46.539 1.00 49.57 ATOM 114 O THR A 163 23.311 14.314 46.216 1.00 49.55 ATOM 115 CB THR A 163 21.905 16.900 44.842 1.00 48.54 ATOM 116 OG1 THR A 163 22.354 17.716 43.758 1.00 50.85 ATOM 117 CG2 THR A 163 20.770 17.610 45.525 1.00 48.78 ATOM 118 N CYS A 164 21.802 15.371 47.499 1.00 49.06 ATOM 119 CA CYS A 164 21.463 14.138 48.182 1.00 49.55 ATOM 120 C CYS A 164 20.749 13.279 47.135 1.00 49.08 ATOM 121 O CYS A 164 20.351 13.788 46.080 1.00 49.49 ATOM 122 CB CYS A 164 20.562 14.423 49.395 1.00 49.13 ATOM 123 SG CYS A 164 18.809 14.672 49.018 1.00 51.63 ATOM 124 N SER A 165 20.600 11.986 47.404 1.00 48.27 ATOM 125 CA SER A 165 19.927 11.110 46.450 1.00 48.01 ATOM 126 C SER A 165 18.479 11.524 46.294 1.00 47.99 ATOM 127 O SER A 165 17.863 11.294 45.254 1.00 47.64 ATOM 128 CB SER A 165 19.949 9.663 46.928 1.00 48.11 ATOM 129 OG SER A 165 18.856 9.415 47.798 1.00 47.41 ATOM 130 N LYS A 166 17.938 12.129 47.349 1.00 48.70 ATOM 131 CA LYS A 166 16.551 12.559 47.371 1.00 48.63 ATOM 132 C LYS A 166 16.283 13.802 46.542 1.00 48.17 ATOM 133 O LYS A 166 15.176 13.974 46.031 1.00 48.86 ATOM 134 CB LYS A 166 16.089 12.766 48.819 1.00 50.58 ATOM 135 CG LYS A 166 14.597 13.124 48.941 1.00 52.12 ATOM 136 CD LYS A 166 13.710 12.027 48.327 1.00 52.83 ATOM 137 CE LYS A 166 12.268 12.507 48.171 1.00 52.80 ATOM 138 NZ LYS A 166 12.157 13.639 47.192 1.00 52.95 ATOM 139 N CYS A 167 17.287 14.659 46.379 1.00 47.33 ATOM 140 CA CYS A 167 17.097 15.876 45.577 1.00 47.04 ATOM 141 C CYS A 167 17.505 15.714 44.110 1.00 45.41 ATOM 142 O CYS A 167 17.144 16.546 43.264 1.00 45.18 ATOM 143 CB CYS A 167 17.882 17.043 46.178 1.00 46.98 ATOM 144 SG CYS A 167 17.314 17.539 47.783 1.00 47.81 ATOM 145 N ARG A 168 18.254 14.655 43.818 1.00 43.84 ATOM 146 CA ARG A 168 18.717 14.397 42.464 1.00 42.18 ATOM 147 C ARG A 168 17.649 14.478 41.391 1.00 40.94 ATOM 148 O ARG A 168 16.674 13.732 41.417 1.00 42.32 ATOM 149 CB ARG A 168 19.380 13.030 42.381 1.00 42.03 ATOM 150 CG ARG A 168 19.794 12.674 40.977 1.00 42.45 ATOM 151 CD ARG A 168 20.589 11.391 40.964 1.00 44.74 ATOM 152 NE ARG A 168 20.979 11.001 39.609 1.00 45.20 ATOM 153 CZ ARG A 168 21.738 9.941 39.342 1.00 45.60 ATOM 154 NH1 ARG A 168 22.176 9.171 40.342 1.00 45.27 ATOM 155 NH2 ARG A 168 22.074 9.669 38.087 1.00 45.68 ATOM 156 N ASN A 169 17.845 15.381 40.436 1.00 38.78 ATOM 157 CA ASN A 169 16.909 15.535 39.336 1.00 36.64 ATOM 158 C ASN A 169 17.286 14.495 38.301 1.00 35.29 ATOM 159 O ASN A 169 18.446 14.395 37.909 1.00 35.53 ATOM 160 CB ASN A 169 17.030 16.918 38.718 1.00 36.92 ATOM 161 CG ASN A 169 15.765 17.341 37.982 1.00 38.89 ATOM 162 OD1 ASN A 169 15.257 16.629 37.103 1.00 37.26 ATOM 163 ND2 ASN A 169 15.255 18.523 38.328 1.00 41.10 ATOM 164 N ARG A 170 16.306 13.722 37.857 1.00 33.82 ATOM 165 CA ARG A 170 16.537 12.677 36.867 1.00 32.88 ATOM 166 C ARG A 170 15.564 12.826 35.711 1.00 31.27 ATOM 167 O ARG A 170 15.375 11.901 34.942 1.00 30.80 ATOM 168 CB ARG A 170 16.354 11.302 37.507 1.00 34.06 ATOM 169 CG ARG A 170 17.279 11.018 38.658 1.00 35.87 ATOM 170 CD ARG A 170 16.725 9.897 39.528 1.00 39.15 ATOM 171 NE ARG A 170 17.756 9.353 40.421 1.00 40.58 ATOM 172 CZ ARG A 170 18.514 8.304 40.132 1.00 39.78 ATOM 173 NH1 ARG A 170 18.366 7.665 38.983 1.00 38.26 ATOM 174 NH2 ARG A 170 19.426 7.913 40.991 1.00 39.97 ATOM 175 N SER A 171 14.960 14.002 35.611 1.00 31.90 ATOM 176 CA SER A 171 13.980 14.300 34.570 1.00 31.39 ATOM 177 C SER A 171 14.564 15.061 33.398 1.00 30.05 ATOM 178 O SER A 171 15.437 15.899 33.574 1.00 31.34 ATOM 179 CB SER A 171 12.832 15.108 35.172 1.00 30.85 ATOM 180 OG SER A 171 12.228 14.371 36.204 1.00 32.69 ATOM 181 N GLY A 172 14.039 14.790 32.210 1.00 29.61 ATOM 182 CA GLY A 172 14.511 15.457 31.012 1.00 29.15 ATOM 183 C GLY A 172 16.011 15.368 30.856 1.00 29.32 ATOM 184 O GLY A 172 16.586 14.307 31.026 1.00 29.14 ATOM 185 N GLU A 173 16.640 16.493 30.546 1.00 30.45 ATOM 186 CA GLU A 173 18.077 16.546 30.354 1.00 31.39 ATOM 187 C GLU A 173 18.905 16.026 31.520 1.00 31.76 ATOM 188 O GLU A 173 20.105 15.783 31.368 1.00 33.52 ATOM 189 CB GLU A 173 18.508 17.980 30.036 1.00 32.51 ATOM 190 CG GLU A 173 17.990 19.029 31.005 1.00 31.53 ATOM 191 CD GLU A 173 18.547 20.419 30.721 1.00 32.71 ATOM 192 OE1 GLU A 173 18.953 20.692 29.561 1.00 31.56 ATOM 193 OE2 GLU A 173 18.563 21.252 31.655 1.00 32.28 ATOM 194 N ASN A 174 18.271 15.860 32.676 1.00 30.80 ATOM 195 CA ASN A 174 18.950 15.389 33.882 1.00 29.43 ATOM 196 C ASN A 174 19.076 13.889 33.993 1.00 28.69 ATOM 197 O ASN A 174 19.812 13.391 34.836 1.00 28.38 ATOM 198 CB ASN A 174 18.219 15.898 35.123 1.00 30.33 ATOM 199 CG ASN A 174 18.105 17.398 35.135 1.00 31.76 ATOM 200 OD1 ASN A 174 19.107 18.096 35.279 1.00 29.03 ATOM 201 ND2 ASN A 174 16.896 17.910 34.888 1.00 32.80 ATOM 202 N ASN A 175 18.335 13.166 33.163 1.00 29.09 ATOM 203 CA ASN A 175 18.386 11.716 33.187 1.00 29.69 ATOM 204 C ASN A 175 19.718 11.245 32.619 1.00 31.06 ATOM 205 O ASN A 175 20.216 11.779 31.620 1.00 31.98 ATOM 206 CB ASN A 175 17.228 11.143 32.381 1.00 29.95 ATOM 207 CG ASN A 175 16.951 9.675 32.706 1.00 30.76 ATOM 208 OD1 ASN A 175 17.537 8.763 32.107 1.00 30.41 ATOM 209 ND2 ASN A 175 16.056 9.441 33.662 1.00 27.82 ATOM 210 N SER A 176 20.300 10.248 33.263 1.00 31.23 ATOM 211 CA SER A 176 21.573 9.706 32.822 1.00 31.09 ATOM 212 C SER A 176 21.529 9.040 31.444 1.00 30.61 ATOM 213 O SER A 176 22.566 8.735 30.878 1.00 30.50 ATOM 214 CB SER A 176 22.094 8.716 33.854 1.00 32.13 ATOM 215 OG SER A 176 22.250 9.351 35.117 0.50 33.05 ATOM 216 N PHE A 177 20.335 8.823 30.903 1.00 29.05 ATOM 217 CA PHE A 177 20.200 8.195 29.598 1.00 27.87 ATOM 218 C PHE A 177 19.491 9.145 28.646 1.00 26.78 ATOM 219 O PHE A 177 18.991 8.748 27.595 1.00 25.04 ATOM 220 CB PHE A 177 19.431 6.873 29.698 1.00 28.64 ATOM 221 CG PHE A 177 19.555 5.993 28.466 1.00 29.39 ATOM 222 CD1 PHE A 177 20.753 5.330 28.181 1.00 30.00 ATOM 223 CD2 PHE A 177 18.479 5.811 27.600 1.00 28.73 ATOM 224 CE1 PHE A 177 20.872 4.502 27.053 1.00 28.48 ATOM 225 CE2 PHE A 177 18.595 4.995 26.478 1.00 28.89 ATOM 226 CZ PHE A 177 19.789 4.339 26.205 1.00 29.29 ATOM 227 N PHE A 178 19.468 10.416 29.022 1.00 26.01 ATOM 228 CA PHE A 178 18.842 11.431 28.198 1.00 24.93 ATOM 229 C PHE A 178 19.626 11.583 26.887 1.00 25.61 ATOM 230 O PHE A 178 20.860 11.533 26.870 1.00 25.83 ATOM 231 CB PHE A 178 18.813 12.766 28.948 1.00 24.19 ATOM 232 CG PHE A 178 18.402 13.932 28.094 1.00 23.19 ATOM 233 CD1 PHE A 178 17.116 13.998 27.558 1.00 22.35 ATOM 234 CD2 PHE A 178 19.314 14.937 27.783 1.00 21.36 ATOM 235 CE1 PHE A 178 16.748 15.044 26.721 1.00 22.77 ATOM 236 CE2 PHE A 178 18.958 15.979 26.950 1.00 20.50 ATOM 237 CZ PHE A 178 17.670 16.036 26.413 1.00 22.77 ATOM 238 N ASN A 179 18.897 11.781 25.799 1.00 26.80 ATOM 239 CA ASN A 179 19.486 11.966 24.479 1.00 29.81 ATOM 240 C ASN A 179 20.257 10.780 23.902 1.00 30.87 ATOM 241 O ASN A 179 20.899 10.905 22.864 1.00 31.15 ATOM 242 CB ASN A 179 20.383 13.205 24.454 1.00 29.73 ATOM 243 CG ASN A 179 19.673 14.419 23.891 1.00 30.57 ATOM 244 OD1 ASN A 179 20.253 15.499 23.797 1.00 31.01 ATOM 245 ND2 ASN A 179 18.406 14.248 23.514 1.00 29.51 ATOM 246 N HIS A 180 20.201 9.637 24.574 1.00 31.03 ATOM 247 CA HIS A 180 20.855 8.451 24.066 1.00 29.73 ATOM 248 C HIS A 180 19.889 7.736 23.133 1.00 30.68 ATOM 249 O HIS A 180 18.698 8.035 23.092 1.00 29.17 ATOM 250 CB HIS A 180 21.240 7.508 25.203 1.00 29.06 ATOM 251 CG HIS A 180 22.391 7.987 26.026 1.00 28.91 ATOM 252 ND1 HIS A 180 23.519 7.223 26.238 1.00 29.32 ATOM 253 CD2 HIS A 180 22.585 9.141 26.706 1.00 29.34 ATOM 254 CE1 HIS A 180 24.356 7.884 27.017 1.00 29.14 ATOM 255 NE2 HIS A 180 23.814 9.051 27.315 1.00 30.11 ATOM 256 N LYS A 181 20.423 6.808 22.352 1.00 33.08 ATOM 257 CA LYS A 181 19.612 6.006 21.443 1.00 33.19 ATOM 258 C LYS A 181 19.893 4.548 21.766 1.00 32.82 ATOM 259 O LYS A 181 20.984 4.225 22.216 1.00 34.25 ATOM 260 CB LYS A 181 19.977 6.323 19.998 1.00 33.88 ATOM 261 CG LYS A 181 19.348 7.613 19.499 1.00 36.55 ATOM 262 CD LYS A 181 17.824 7.521 19.562 1.00 39.99 ATOM 263 CE LYS A 181 17.152 8.835 19.180 1.00 40.98 ATOM 264 NZ LYS A 181 15.681 8.652 18.915 1.00 42.75 TER