HEADER TRANSFERASE/OXIDOREDUCTASE/LYASE 03-JUN-03 1PJT TITLE The structure of the Ser128Ala point-mutant variant of CysG, the TITLE 2 multifunctional methyltransferase/dehydrogenase/ferrochelatase for TITLE 3 siroheme synthesis COMPND MOL_ID: 1; COMPND 2 MOLECULE: Siroheme synthase; COMPND 3 CHAIN: A, B; COMPND 4 MUTATION: YES; COMPND 5 EC: 2.1.1.107, 1.-.-.-, 4.99.1.-; COMPND 6 ENGINEERED: YES; COMPND 7 RESIDUES 1-212 (CYSGB) ARE A DEHYDROGENASE/FERROCHELATASE, RESIDUES COMPND 8 OTHER_DETAILS: 213-457 (CYSGA) ARE A BISMETHYLTRANSFERASE; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.80 ANGSTORMS DBREF 1PJT A 1 457 UNP P25924 CYSG_SALTY 1 457 SEQRES 1 A 34 PRO SER ILE ILE ASP ARG SER PRO LEU MET VAL ALA VAL SEQRES 2 A 34 SER ALA GLY GLY THR SER PRO VAL LEU ALA ARG LEU LEU SEQRES 3 A 34 ARG GLU LYS LEU GLU SER LEU LEU ATOM 1 N PRO A 114 -48.789 141.839 21.190 1.00 18.64 ATOM 2 CA PRO A 114 -47.647 142.412 21.902 1.00 16.82 ATOM 3 C PRO A 114 -47.012 143.454 21.029 1.00 16.64 ATOM 4 O PRO A 114 -47.333 143.536 19.848 1.00 19.49 ATOM 5 CB PRO A 114 -46.741 141.213 22.085 1.00 15.12 ATOM 6 CG PRO A 114 -46.922 140.509 20.771 1.00 14.87 ATOM 7 CD PRO A 114 -48.421 140.557 20.557 1.00 16.82 ATOM 8 N SER A 115 -46.122 144.257 21.592 1.00 16.94 ATOM 9 CA SER A 115 -45.422 145.255 20.786 1.00 18.20 ATOM 10 C SER A 115 -44.342 144.490 20.020 1.00 19.95 ATOM 11 O SER A 115 -43.695 143.595 20.568 1.00 20.56 ATOM 12 CB SER A 115 -44.788 146.316 21.676 1.00 17.14 ATOM 13 OG SER A 115 -45.760 146.886 22.530 1.00 17.69 ATOM 14 N ILE A 116 -44.133 144.844 18.760 1.00 21.24 ATOM 15 CA ILE A 116 -43.160 144.133 17.941 1.00 22.92 ATOM 16 C ILE A 116 -41.901 144.885 17.539 1.00 21.86 ATOM 17 O ILE A 116 -41.944 146.077 17.276 1.00 22.96 ATOM 18 CB ILE A 116 -43.848 143.617 16.669 1.00 24.14 ATOM 19 CG1 ILE A 116 -44.784 142.475 17.033 1.00 22.66 ATOM 20 CG2 ILE A 116 -42.824 143.186 15.637 1.00 25.66 ATOM 21 CD1 ILE A 116 -45.724 142.142 15.920 1.00 26.67 ATOM 22 N ILE A 117 -40.786 144.160 17.498 1.00 22.73 ATOM 23 CA ILE A 117 -39.491 144.706 17.101 1.00 25.11 ATOM 24 C ILE A 117 -39.016 143.806 15.972 1.00 26.80 ATOM 25 O ILE A 117 -38.383 142.779 16.192 1.00 27.59 ATOM 26 CB ILE A 117 -38.497 144.678 18.264 1.00 24.22 ATOM 27 CG1 ILE A 117 -38.941 145.691 19.311 1.00 25.04 ATOM 28 CG2 ILE A 117 -37.115 145.024 17.784 1.00 22.69 ATOM 29 CD1 ILE A 117 -38.662 145.280 20.709 1.00 25.18 ATOM 30 N ASP A 118 -39.348 144.219 14.755 1.00 27.97 ATOM 31 CA ASP A 118 -39.054 143.477 13.542 1.00 27.14 ATOM 32 C ASP A 118 -37.615 143.546 13.043 1.00 27.31 ATOM 33 O ASP A 118 -37.025 144.612 12.935 1.00 28.85 ATOM 34 CB ASP A 118 -40.027 143.950 12.453 1.00 28.29 ATOM 35 CG ASP A 118 -39.890 143.184 11.153 1.00 31.24 ATOM 36 OD1 ASP A 118 -38.835 143.297 10.492 1.00 35.56 ATOM 37 OD2 ASP A 118 -40.845 142.472 10.785 1.00 30.02 ATOM 38 N ARG A 119 -37.068 142.377 12.746 1.00 26.92 ATOM 39 CA ARG A 119 -35.723 142.217 12.209 1.00 27.48 ATOM 40 C ARG A 119 -35.776 140.844 11.524 1.00 27.76 ATOM 41 O ARG A 119 -34.925 139.973 11.735 1.00 27.30 ATOM 42 CB ARG A 119 -34.683 142.231 13.331 1.00 25.82 ATOM 43 CG ARG A 119 -33.677 143.362 13.244 1.00 26.05 ATOM 44 CD ARG A 119 -34.353 144.701 13.378 1.00 26.54 ATOM 45 NE ARG A 119 -33.571 145.663 14.144 1.00 25.94 ATOM 46 CZ ARG A 119 -34.117 146.601 14.913 1.00 27.60 ATOM 47 NH1 ARG A 119 -35.438 146.698 15.014 1.00 27.09 ATOM 48 NH2 ARG A 119 -33.350 147.444 15.584 1.00 28.31 ATOM 49 N SER A 120 -36.816 140.672 10.714 1.00 27.42 ATOM 50 CA SER A 120 -37.060 139.438 9.990 1.00 27.15 ATOM 51 C SER A 120 -35.795 138.844 9.415 1.00 26.21 ATOM 52 O SER A 120 -34.954 139.552 8.863 1.00 25.91 ATOM 53 CB SER A 120 -38.067 139.677 8.867 1.00 28.32 ATOM 54 OG SER A 120 -38.968 140.709 9.223 1.00 29.80 ATOM 55 N PRO A 121 -35.655 137.519 9.531 1.00 25.03 ATOM 56 CA PRO A 121 -36.649 136.656 10.172 1.00 23.69 ATOM 57 C PRO A 121 -36.654 136.692 11.702 1.00 23.21 ATOM 58 O PRO A 121 -37.429 135.968 12.338 1.00 22.96 ATOM 59 CB PRO A 121 -36.281 135.281 9.647 1.00 24.07 ATOM 60 CG PRO A 121 -34.794 135.365 9.599 1.00 25.96 ATOM 61 CD PRO A 121 -34.583 136.709 8.932 1.00 25.77 ATOM 62 N LEU A 122 -35.798 137.524 12.288 1.00 22.17 ATOM 63 CA LEU A 122 -35.704 137.623 13.740 1.00 22.74 ATOM 64 C LEU A 122 -36.715 138.597 14.319 1.00 23.13 ATOM 65 O LEU A 122 -36.830 139.731 13.864 1.00 23.99 ATOM 66 CB LEU A 122 -34.290 138.050 14.143 1.00 24.38 ATOM 67 CG LEU A 122 -33.876 137.998 15.620 1.00 23.24 ATOM 68 CD1 LEU A 122 -34.268 139.254 16.322 1.00 24.92 ATOM 69 CD2 LEU A 122 -34.504 136.795 16.284 1.00 23.10 ATOM 70 N MET A 123 -37.450 138.158 15.331 1.00 23.15 ATOM 71 CA MET A 123 -38.439 139.025 15.935 1.00 24.74 ATOM 72 C MET A 123 -38.482 138.958 17.446 1.00 23.91 ATOM 73 O MET A 123 -38.262 137.902 18.041 1.00 24.73 ATOM 74 CB MET A 123 -39.815 138.717 15.358 1.00 28.70 ATOM 75 CG MET A 123 -39.973 139.156 13.916 1.00 33.60 ATOM 76 SD MET A 123 -41.679 138.991 13.398 1.00 44.70 ATOM 77 CE MET A 123 -42.340 140.610 13.847 1.00 39.88 ATOM 78 N VAL A 124 -38.752 140.107 18.057 1.00 22.83 ATOM 79 CA VAL A 124 -38.843 140.221 19.506 1.00 22.38 ATOM 80 C VAL A 124 -40.175 140.876 19.851 1.00 22.92 ATOM 81 O VAL A 124 -40.526 141.919 19.281 1.00 24.02 ATOM 82 CB VAL A 124 -37.693 141.078 20.079 1.00 20.86 ATOM 83 CG1 VAL A 124 -37.707 141.023 21.575 1.00 22.06 ATOM 84 CG2 VAL A 124 -36.373 140.563 19.586 1.00 20.84 ATOM 85 N ALA A 125 -40.912 140.250 20.772 1.00 22.43 ATOM 86 CA ALA A 125 -42.218 140.740 21.219 1.00 21.04 ATOM 87 C ALA A 125 -42.189 141.036 22.722 1.00 21.61 ATOM 88 O ALA A 125 -41.566 140.312 23.496 1.00 22.42 ATOM 89 CB ALA A 125 -43.295 139.705 20.909 1.00 17.13 ATOM 90 N VAL A 126 -42.864 142.104 23.133 1.00 21.12 ATOM 91 CA VAL A 126 -42.895 142.473 24.540 1.00 21.28 ATOM 92 C VAL A 126 -44.288 142.952 24.919 1.00 20.81 ATOM 93 O VAL A 126 -44.951 143.609 24.133 1.00 18.34 ATOM 94 CB VAL A 126 -41.839 143.579 24.839 1.00 21.83 ATOM 95 CG1 VAL A 126 -42.055 144.760 23.935 1.00 22.91 ATOM 96 CG2 VAL A 126 -41.920 144.012 26.288 1.00 23.67 ATOM 97 N SER A 127 -44.730 142.605 26.124 1.00 22.56 ATOM 98 CA SER A 127 -46.056 142.997 26.592 1.00 25.29 ATOM 99 C SER A 127 -46.202 142.903 28.096 1.00 25.45 ATOM 100 O SER A 127 -45.410 142.256 28.767 1.00 25.01 ATOM 101 CB SER A 127 -47.126 142.113 25.945 1.00 27.02 ATOM 102 OG SER A 127 -48.427 142.611 26.208 1.00 28.06 ATOM 103 N ALA A 128 -47.241 143.539 28.619 1.00 28.14 ATOM 104 CA ALA A 128 -47.494 143.505 30.051 1.00 30.93 ATOM 105 C ALA A 128 -48.903 143.015 30.359 1.00 32.32 ATOM 106 O ALA A 128 -49.345 143.081 31.495 1.00 32.78 ATOM 107 CB ALA A 128 -47.270 144.883 30.648 1.00 30.64 ATOM 108 N GLY A 129 -49.602 142.516 29.346 1.00 34.73 ATOM 109 CA GLY A 129 -50.951 142.025 29.559 1.00 39.34 ATOM 110 C GLY A 129 -51.959 143.146 29.727 1.00 42.63 ATOM 111 O GLY A 129 -53.113 142.900 30.087 1.00 43.00 ATOM 112 N GLY A 130 -51.519 144.377 29.471 1.00 44.84 ATOM 113 CA GLY A 130 -52.398 145.527 29.598 1.00 46.45 ATOM 114 C GLY A 130 -52.277 146.187 30.953 1.00 47.47 ATOM 115 O GLY A 130 -52.980 147.154 31.250 1.00 47.42 ATOM 116 N THR A 131 -51.367 145.664 31.767 1.00 48.02 ATOM 117 CA THR A 131 -51.139 146.171 33.114 1.00 48.86 ATOM 118 C THR A 131 -50.180 147.350 33.150 1.00 48.38 ATOM 119 O THR A 131 -50.312 148.249 33.992 1.00 48.24 ATOM 120 CB THR A 131 -50.567 145.066 34.018 1.00 49.74 ATOM 121 OG1 THR A 131 -51.514 143.995 34.113 1.00 51.68 ATOM 122 CG2 THR A 131 -50.273 145.606 35.414 1.00 51.03 ATOM 123 N SER A 132 -49.213 147.339 32.239 1.00 47.43 ATOM 124 CA SER A 132 -48.211 148.392 32.190 1.00 46.99 ATOM 125 C SER A 132 -47.849 148.793 30.772 1.00 47.61 ATOM 126 O SER A 132 -46.694 148.679 30.368 1.00 46.28 ATOM 127 CB SER A 132 -46.940 147.942 32.915 1.00 47.35 ATOM 128 OG SER A 132 -47.062 148.061 34.321 1.00 46.00 ATOM 129 N PRO A 133 -48.833 149.273 29.994 1.00 48.87 ATOM 130 CA PRO A 133 -48.582 149.692 28.609 1.00 48.11 ATOM 131 C PRO A 133 -47.389 150.648 28.434 1.00 47.04 ATOM 132 O PRO A 133 -46.775 150.685 27.368 1.00 47.10 ATOM 133 CB PRO A 133 -49.917 150.316 28.188 1.00 48.40 ATOM 134 CG PRO A 133 -50.591 150.670 29.501 1.00 49.42 ATOM 135 CD PRO A 133 -50.244 149.487 30.356 1.00 48.73 ATOM 136 N VAL A 134 -47.066 151.417 29.472 1.00 45.53 ATOM 137 CA VAL A 134 -45.937 152.344 29.409 1.00 43.76 ATOM 138 C VAL A 134 -44.649 151.572 29.610 1.00 43.01 ATOM 139 O VAL A 134 -43.569 152.039 29.256 1.00 43.15 ATOM 140 CB VAL A 134 -46.006 153.403 30.513 1.00 44.43 ATOM 141 CG1 VAL A 134 -44.781 154.313 30.447 1.00 43.36 ATOM 142 CG2 VAL A 134 -47.275 154.199 30.374 1.00 46.13 ATOM 143 N LEU A 135 -44.775 150.389 30.199 1.00 41.48 ATOM 144 CA LEU A 135 -43.629 149.536 30.457 1.00 38.87 ATOM 145 C LEU A 135 -43.235 148.866 29.148 1.00 37.99 ATOM 146 O LEU A 135 -42.057 148.738 28.841 1.00 38.06 ATOM 147 CB LEU A 135 -43.997 148.487 31.502 1.00 38.63 ATOM 148 CG LEU A 135 -42.898 147.908 32.383 1.00 37.96 ATOM 149 CD1 LEU A 135 -43.459 146.706 33.116 1.00 37.87 ATOM 150 CD2 LEU A 135 -41.704 147.504 31.542 1.00 40.23 ATOM 151 N ALA A 136 -44.231 148.454 28.373 1.00 37.28 ATOM 152 CA ALA A 136 -43.986 147.808 27.096 1.00 37.63 ATOM 153 C ALA A 136 -43.399 148.796 26.089 1.00 38.67 ATOM 154 O ALA A 136 -42.432 148.479 25.398 1.00 39.06 ATOM 155 CB ALA A 136 -45.278 147.219 26.557 1.00 37.82 ATOM 156 N ARG A 137 -43.975 149.994 26.010 1.00 39.49 ATOM 157 CA ARG A 137 -43.495 151.002 25.070 1.00 41.13 ATOM 158 C ARG A 137 -42.046 151.366 25.337 1.00 39.68 ATOM 159 O ARG A 137 -41.235 151.472 24.415 1.00 38.93 ATOM 160 CB ARG A 137 -44.350 152.267 25.141 1.00 44.84 ATOM 161 CG ARG A 137 -43.835 153.405 24.257 1.00 49.11 ATOM 162 CD ARG A 137 -44.775 154.590 24.307 1.00 55.18 ATOM 163 NE ARG A 137 -44.251 155.770 23.626 1.00 60.47 ATOM 164 CZ ARG A 137 -43.093 156.355 23.925 1.00 63.93 ATOM 165 NH1 ARG A 137 -42.700 157.435 23.258 1.00 65.91 ATOM 166 NH2 ARG A 137 -42.318 155.851 24.880 1.00 64.43 ATOM 167 N LEU A 138 -41.723 151.571 26.604 1.00 37.39 ATOM 168 CA LEU A 138 -40.362 151.915 26.963 1.00 36.22 ATOM 169 C LEU A 138 -39.454 150.764 26.582 1.00 35.40 ATOM 170 O LEU A 138 -38.345 150.968 26.093 1.00 35.46 ATOM 171 CB LEU A 138 -40.266 152.189 28.463 1.00 36.44 ATOM 172 CG LEU A 138 -41.024 153.425 28.941 1.00 35.78 ATOM 173 CD1 LEU A 138 -41.011 153.484 30.453 1.00 34.92 ATOM 174 CD2 LEU A 138 -40.387 154.665 28.344 1.00 35.89 ATOM 175 N LEU A 139 -39.927 149.545 26.802 1.00 34.26 ATOM 176 CA LEU A 139 -39.119 148.393 26.463 1.00 34.28 ATOM 177 C LEU A 139 -38.907 148.273 24.966 1.00 34.56 ATOM 178 O LEU A 139 -37.779 148.055 24.525 1.00 34.63 ATOM 179 CB LEU A 139 -39.742 147.117 27.012 1.00 33.67 ATOM 180 CG LEU A 139 -39.458 146.951 28.499 1.00 35.10 ATOM 181 CD1 LEU A 139 -40.010 145.638 28.990 1.00 35.39 ATOM 182 CD2 LEU A 139 -37.949 147.023 28.731 1.00 36.93 ATOM 183 N ARG A 140 -39.978 148.416 24.184 1.00 34.44 ATOM 184 CA ARG A 140 -39.845 148.319 22.735 1.00 35.16 ATOM 185 C ARG A 140 -38.799 149.334 22.308 1.00 34.48 ATOM 186 O ARG A 140 -37.912 149.032 21.507 1.00 35.70 ATOM 187 CB ARG A 140 -41.180 148.594 22.019 1.00 36.75 ATOM 188 CG ARG A 140 -41.025 148.749 20.494 1.00 41.03 ATOM 189 CD ARG A 140 -42.342 148.853 19.724 1.00 43.12 ATOM 190 NE ARG A 140 -43.281 149.813 20.303 1.00 47.50 ATOM 191 CZ ARG A 140 -42.997 151.085 20.573 1.00 49.74 ATOM 192 NH1 ARG A 140 -41.784 151.572 20.318 1.00 51.50 ATOM 193 NH2 ARG A 140 -43.929 151.871 21.104 1.00 49.09 ATOM 194 N GLU A 141 -38.889 150.534 22.864 1.00 33.14 ATOM 195 CA GLU A 141 -37.933 151.573 22.538 1.00 32.66 ATOM 196 C GLU A 141 -36.509 151.094 22.806 1.00 30.41 ATOM 197 O GLU A 141 -35.687 151.066 21.903 1.00 29.76 ATOM 198 CB GLU A 141 -38.245 152.842 23.337 1.00 35.07 ATOM 199 CG GLU A 141 -39.430 153.630 22.769 1.00 39.85 ATOM 200 CD GLU A 141 -39.872 154.794 23.649 1.00 42.24 ATOM 201 OE1 GLU A 141 -40.331 155.811 23.090 1.00 42.96 ATOM 202 OE2 GLU A 141 -39.779 154.693 24.892 1.00 43.65 ATOM 203 N LYS A 142 -36.225 150.688 24.037 1.00 29.92 ATOM 204 CA LYS A 142 -34.888 150.224 24.382 1.00 30.48 ATOM 205 C LYS A 142 -34.441 149.069 23.484 1.00 31.07 ATOM 206 O LYS A 142 -33.258 148.945 23.138 1.00 30.56 ATOM 207 CB LYS A 142 -34.835 149.798 25.857 1.00 31.34 ATOM 208 CG LYS A 142 -35.107 150.942 26.838 1.00 33.22 ATOM 209 CD LYS A 142 -34.691 150.606 28.269 1.00 33.88 ATOM 210 CE LYS A 142 -34.863 151.808 29.205 1.00 34.05 ATOM 211 NZ LYS A 142 -34.461 151.504 30.620 1.00 35.02 ATOM 212 N LEU A 143 -35.395 148.233 23.095 1.00 30.29 ATOM 213 CA LEU A 143 -35.096 147.093 22.249 1.00 29.89 ATOM 214 C LEU A 143 -34.833 147.500 20.807 1.00 30.32 ATOM 215 O LEU A 143 -33.990 146.910 20.133 1.00 30.54 ATOM 216 CB LEU A 143 -36.239 146.091 22.320 1.00 29.30 ATOM 217 CG LEU A 143 -36.391 145.423 23.693 1.00 31.87 ATOM 218 CD1 LEU A 143 -37.746 144.738 23.821 1.00 30.05 ATOM 219 CD2 LEU A 143 -35.259 144.419 23.885 1.00 31.46 ATOM 220 N GLU A 144 -35.548 148.510 20.328 1.00 30.59 ATOM 221 CA GLU A 144 -35.350 148.970 18.958 1.00 30.92 ATOM 222 C GLU A 144 -33.913 149.386 18.729 1.00 30.90 ATOM 223 O GLU A 144 -33.321 149.061 17.700 1.00 29.37 ATOM 224 CB GLU A 144 -36.243 150.164 18.657 1.00 31.99 ATOM 225 CG GLU A 144 -37.659 149.820 18.299 1.00 33.37 ATOM 226 CD GLU A 144 -37.749 149.067 17.004 1.00 33.99 ATOM 227 OE1 GLU A 144 -36.936 149.347 16.099 1.00 34.23 ATOM 228 OE2 GLU A 144 -38.644 148.205 16.889 1.00 36.88 ATOM 229 N SER A 145 -33.358 150.121 19.688 1.00 31.50 ATOM 230 CA SER A 145 -31.983 150.588 19.566 1.00 34.10 ATOM 231 C SER A 145 -30.954 149.501 19.896 1.00 34.56 ATOM 232 O SER A 145 -29.844 149.500 19.356 1.00 34.71 ATOM 233 CB SER A 145 -31.755 151.806 20.467 1.00 33.80 ATOM 234 OG SER A 145 -31.654 151.415 21.825 1.00 36.04 ATOM 235 N LEU A 146 -31.330 148.572 20.770 1.00 35.11 ATOM 236 CA LEU A 146 -30.427 147.505 21.173 1.00 35.41 ATOM 237 C LEU A 146 -30.153 146.467 20.096 1.00 34.32 ATOM 238 O LEU A 146 -29.095 145.852 20.103 1.00 34.22 ATOM 239 CB LEU A 146 -30.964 146.823 22.429 1.00 37.77 ATOM 240 CG LEU A 146 -30.152 145.660 23.007 1.00 39.80 ATOM 241 CD1 LEU A 146 -30.312 145.644 24.519 1.00 42.37 ATOM 242 CD2 LEU A 146 -30.614 144.331 22.404 1.00 40.26 ATOM 243 N LEU A 147 -31.094 146.269 19.175 1.00 33.48 ATOM 244 CA LEU A 147 -30.919 145.292 18.098 1.00 33.12 ATOM 245 C LEU A 147 -30.432 145.967 16.836 1.00 32.71 ATOM 246 O LEU A 147 -31.078 146.873 16.339 1.00 34.78 ATOM 247 CB LEU A 147 -32.238 144.580 17.783 1.00 33.40 ATOM 248 CG LEU A 147 -32.845 143.662 18.846 1.00 33.41 ATOM 249 CD1 LEU A 147 -34.108 143.043 18.298 1.00 32.26 ATOM 250 CD2 LEU A 147 -31.854 142.578 19.237 1.00 32.66 TER