HEADER TRANSFERASE 31-DEC-69 2HG4 TITLE Structure of the ketosynthase-acyltransferase didomain of module 5 TITLE 2 from DEBS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: 6-Deoxyerythronolide B Synthase; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 EC: 2.3.1.94; COMPND 5 FRAGMENT: ketosynthase-acyltransferase didomain of didomain module ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.73 ANGSTORMS DBREF 2HG4 A 1 917 UNP Q5UNP4 Q5UNP4_SACE 1 917 MODRES 2HG4 MSE A 46 MET SELENOMETHIONINE MODRES 2HG4 MSE A 91 MET SELENOMETHIONINE MODRES 2HG4 MSE A 113 MET SELENOMETHIONINE MODRES 2HG4 MSE A 120 MET SELENOMETHIONINE MODRES 2HG4 MSE A 193 MET SELENOMETHIONINE MODRES 2HG4 MSE A 210 MET SELENOMETHIONINE MODRES 2HG4 MSE A 229 MET SELENOMETHIONINE MODRES 2HG4 MSE A 385 MET SELENOMETHIONINE MODRES 2HG4 MSE A 396 MET SELENOMETHIONINE MODRES 2HG4 MSE A 480 MET SELENOMETHIONINE MODRES 2HG4 MSE A 555 MET SELENOMETHIONINE MODRES 2HG4 MSE A 567 MET SELENOMETHIONINE MODRES 2HG4 MSE A 621 MET SELENOMETHIONINE MODRES 2HG4 MSE A 680 MET SELENOMETHIONINE MODRES 2HG4 MSE A 786 MET SELENOMETHIONINE SEQRES 1 A 31 GLU GLU LYS LEU ARG ARG TYR LEU LYS ARG THR VAL THR SEQRES 2 A 31 GLU LEU ASP SER VAL THR ALA ARG LEU ARG GLU VAL GLU SEQRES 3 A 31 HIS ARG ALA GLY GLU ATOM 1 N GLU A 9 96.763 75.936 51.364 1.00 34.00 ATOM 2 CA GLU A 9 96.456 76.594 50.063 1.00 34.14 ATOM 3 C GLU A 9 95.344 77.621 50.215 1.00 34.69 ATOM 4 O GLU A 9 94.818 77.840 51.312 1.00 34.60 ATOM 5 CB GLU A 9 96.016 75.538 49.034 1.00 33.99 ATOM 6 CG GLU A 9 97.127 74.763 48.412 1.00 34.18 ATOM 7 CD GLU A 9 98.109 75.670 47.761 1.00 33.76 ATOM 8 OE1 GLU A 9 97.685 76.545 46.969 1.00 32.69 ATOM 9 OE2 GLU A 9 99.302 75.523 48.077 1.00 34.90 ATOM 10 N GLU A 10 94.974 78.229 49.086 1.00 35.03 ATOM 11 CA GLU A 10 93.678 78.900 48.932 1.00 34.96 ATOM 12 C GLU A 10 92.550 77.896 49.144 1.00 34.93 ATOM 13 O GLU A 10 91.374 78.257 49.113 1.00 34.94 ATOM 14 CB GLU A 10 93.524 79.490 47.520 1.00 34.89 ATOM 15 CG GLU A 10 94.476 80.613 47.169 1.00 35.50 ATOM 16 CD GLU A 10 95.789 80.122 46.513 1.00 37.31 ATOM 17 OE1 GLU A 10 96.618 79.438 47.192 1.00 37.78 ATOM 18 OE2 GLU A 10 95.986 80.436 45.312 1.00 36.82 ATOM 19 N LYS A 11 92.920 76.625 49.271 1.00 35.13 ATOM 20 CA LYS A 11 92.024 75.551 49.653 1.00 35.53 ATOM 21 C LYS A 11 91.127 76.005 50.778 1.00 36.16 ATOM 22 O LYS A 11 89.918 75.940 50.672 1.00 35.64 ATOM 23 CB LYS A 11 92.824 74.312 50.092 1.00 35.34 ATOM 24 N LEU A 12 91.739 76.483 51.850 1.00 37.30 ATOM 25 CA LEU A 12 90.999 76.803 53.044 1.00 38.42 ATOM 26 C LEU A 12 90.251 78.096 52.725 1.00 39.24 ATOM 27 O LEU A 12 89.078 78.278 53.131 1.00 38.89 ATOM 28 CB LEU A 12 91.911 76.923 54.285 1.00 37.99 ATOM 29 CG LEU A 12 93.317 76.267 54.364 1.00 37.87 ATOM 30 CD1 LEU A 12 93.729 76.135 55.829 1.00 37.17 ATOM 31 CD2 LEU A 12 93.498 74.908 53.638 1.00 37.24 ATOM 32 N ARG A 13 90.916 78.968 51.957 1.00 40.33 ATOM 33 CA ARG A 13 90.302 80.222 51.476 1.00 41.16 ATOM 34 C ARG A 13 88.910 79.968 50.906 1.00 41.88 ATOM 35 O ARG A 13 87.935 80.584 51.329 1.00 42.49 ATOM 36 CB ARG A 13 91.215 80.942 50.422 1.00 41.02 ATOM 37 N ARG A 14 88.816 79.039 49.961 1.00 42.98 ATOM 38 CA ARG A 14 87.533 78.699 49.355 1.00 43.54 ATOM 39 C ARG A 14 86.540 78.376 50.448 1.00 45.27 ATOM 40 O ARG A 14 85.383 78.763 50.371 1.00 44.77 ATOM 41 CB ARG A 14 87.666 77.498 48.418 1.00 43.64 ATOM 42 CG ARG A 14 87.019 77.692 47.039 1.00 43.39 ATOM 43 CD ARG A 14 87.388 76.558 46.115 1.00 43.29 ATOM 44 NE ARG A 14 88.783 76.143 46.339 1.00 44.41 ATOM 45 CZ ARG A 14 89.870 76.796 45.915 1.00 43.23 ATOM 46 NH1 ARG A 14 89.772 77.924 45.209 1.00 42.82 ATOM 47 NH2 ARG A 14 91.069 76.313 46.202 1.00 42.99 ATOM 48 N TYR A 15 87.014 77.682 51.481 1.00 47.33 ATOM 49 CA TYR A 15 86.113 77.167 52.502 1.00 49.13 ATOM 50 C TYR A 15 85.526 78.154 53.466 1.00 49.02 ATOM 51 O TYR A 15 84.393 77.976 53.903 1.00 48.95 ATOM 52 CB TYR A 15 86.668 75.890 53.186 1.00 50.48 ATOM 53 CG TYR A 15 86.101 74.788 52.359 1.00 52.42 ATOM 54 CD1 TYR A 15 84.686 74.559 52.362 1.00 53.82 ATOM 55 CD2 TYR A 15 86.893 74.118 51.421 1.00 51.96 ATOM 56 CE1 TYR A 15 84.103 73.609 51.512 1.00 53.23 ATOM 57 CE2 TYR A 15 86.332 73.162 50.567 1.00 52.65 ATOM 58 CZ TYR A 15 84.941 72.912 50.615 1.00 53.97 ATOM 59 OH TYR A 15 84.406 71.965 49.767 1.00 54.06 ATOM 60 N LEU A 16 86.260 79.216 53.761 1.00 49.16 ATOM 61 CA LEU A 16 85.666 80.300 54.493 1.00 49.35 ATOM 62 C LEU A 16 84.549 80.859 53.643 1.00 49.52 ATOM 63 O LEU A 16 83.478 81.145 54.170 1.00 48.91 ATOM 64 CB LEU A 16 86.676 81.376 54.888 1.00 49.10 ATOM 65 CG LEU A 16 86.922 81.381 56.400 1.00 49.20 ATOM 66 CD1 LEU A 16 88.085 82.294 56.736 1.00 49.31 ATOM 67 CD2 LEU A 16 85.649 81.780 57.215 1.00 49.50 ATOM 68 N LYS A 17 84.786 80.967 52.329 1.00 49.93 ATOM 69 CA LYS A 17 83.749 81.472 51.399 1.00 50.04 ATOM 70 C LYS A 17 82.424 80.674 51.494 1.00 50.00 ATOM 71 O LYS A 17 81.337 81.270 51.585 1.00 49.96 ATOM 72 CB LYS A 17 84.279 81.512 49.946 1.00 50.10 ATOM 73 CG LYS A 17 83.562 82.529 49.030 1.00 50.25 ATOM 74 CD LYS A 17 82.230 81.997 48.471 1.00 50.58 ATOM 75 CE LYS A 17 81.258 83.112 48.141 1.00 50.87 ATOM 76 NZ LYS A 17 81.770 83.926 47.006 1.00 51.22 ATOM 77 N ARG A 18 82.541 79.341 51.462 1.00 50.08 ATOM 78 CA ARG A 18 81.411 78.414 51.611 1.00 50.25 ATOM 79 C ARG A 18 80.788 78.614 52.962 1.00 50.41 ATOM 80 O ARG A 18 79.634 79.020 53.045 1.00 50.36 ATOM 81 CB ARG A 18 81.852 76.942 51.499 1.00 50.28 ATOM 82 CG ARG A 18 81.316 76.161 50.305 1.00 50.42 ATOM 83 CD ARG A 18 82.447 75.386 49.588 1.00 51.18 ATOM 84 NE ARG A 18 82.875 76.080 48.374 1.00 51.76 ATOM 85 CZ ARG A 18 83.732 75.602 47.480 1.00 50.97 ATOM 86 NH1 ARG A 18 84.279 74.413 47.664 1.00 51.86 ATOM 87 NH2 ARG A 18 84.032 76.317 46.392 1.00 50.40 ATOM 88 N THR A 19 81.567 78.344 54.016 1.00 50.62 ATOM 89 CA THR A 19 81.052 78.303 55.397 1.00 50.92 ATOM 90 C THR A 19 80.184 79.517 55.748 1.00 51.24 ATOM 91 O THR A 19 79.088 79.371 56.292 1.00 51.31 ATOM 92 CB THR A 19 82.188 78.194 56.411 1.00 50.58 ATOM 93 OG1 THR A 19 83.194 77.339 55.880 1.00 51.03 ATOM 94 CG2 THR A 19 81.694 77.609 57.718 1.00 50.22 ATOM 95 N VAL A 20 80.681 80.704 55.412 1.00 51.68 ATOM 96 CA VAL A 20 79.933 81.950 55.555 1.00 52.11 ATOM 97 C VAL A 20 78.538 81.871 54.907 1.00 52.42 ATOM 98 O VAL A 20 77.557 82.263 55.516 1.00 52.00 ATOM 99 CB VAL A 20 80.754 83.138 54.978 1.00 52.02 ATOM 100 CG1 VAL A 20 79.865 84.366 54.690 1.00 52.44 ATOM 101 CG2 VAL A 20 81.901 83.488 55.939 1.00 51.80 ATOM 102 N THR A 21 78.475 81.348 53.686 1.00 52.99 ATOM 103 CA THR A 21 77.234 81.238 52.936 1.00 53.47 ATOM 104 C THR A 21 76.224 80.322 53.630 1.00 54.06 ATOM 105 O THR A 21 75.034 80.667 53.745 1.00 54.21 ATOM 106 CB THR A 21 77.490 80.693 51.510 1.00 53.44 ATOM 107 OG1 THR A 21 78.700 81.257 50.964 1.00 54.09 ATOM 108 CG2 THR A 21 76.306 80.993 50.597 1.00 53.16 ATOM 109 N GLU A 22 76.687 79.155 54.080 1.00 54.72 ATOM 110 CA GLU A 22 75.807 78.222 54.791 1.00 55.36 ATOM 111 C GLU A 22 75.507 78.702 56.194 1.00 55.89 ATOM 112 O GLU A 22 74.414 78.469 56.675 1.00 56.26 ATOM 113 CB GLU A 22 76.354 76.796 54.822 1.00 55.32 ATOM 114 CG GLU A 22 76.240 76.083 53.479 1.00 56.37 ATOM 115 CD GLU A 22 77.588 75.942 52.766 1.00 58.16 ATOM 116 OE1 GLU A 22 78.448 75.217 53.307 1.00 59.18 ATOM 117 OE2 GLU A 22 77.798 76.525 51.670 1.00 59.02 ATOM 118 N LEU A 23 76.463 79.379 56.836 1.00 56.57 ATOM 119 CA LEU A 23 76.219 80.072 58.113 1.00 56.86 ATOM 120 C LEU A 23 75.024 80.995 57.961 1.00 57.85 ATOM 121 O LEU A 23 74.116 81.019 58.799 1.00 57.93 ATOM 122 CB LEU A 23 77.420 80.936 58.511 1.00 57.07 ATOM 123 CG LEU A 23 77.759 81.198 59.984 1.00 57.05 ATOM 124 CD1 LEU A 23 78.532 82.518 60.085 1.00 57.79 ATOM 125 CD2 LEU A 23 76.562 81.223 60.894 1.00 56.97 ATOM 126 N ASP A 24 75.036 81.749 56.870 1.00 58.75 ATOM 127 CA ASP A 24 74.042 82.767 56.649 1.00 59.68 ATOM 128 C ASP A 24 72.711 82.132 56.356 1.00 60.53 ATOM 129 O ASP A 24 71.734 82.453 57.025 1.00 60.51 ATOM 130 CB ASP A 24 74.477 83.725 55.541 1.00 59.56 ATOM 131 CG ASP A 24 75.698 84.542 55.939 1.00 60.28 ATOM 132 OD1 ASP A 24 76.188 84.366 57.083 1.00 60.81 ATOM 133 OD2 ASP A 24 76.190 85.344 55.117 1.00 61.70 ATOM 134 N SER A 25 72.674 81.207 55.401 1.00 61.68 ATOM 135 CA SER A 25 71.400 80.601 55.007 1.00 62.73 ATOM 136 C SER A 25 70.799 79.710 56.135 1.00 63.47 ATOM 137 O SER A 25 69.576 79.734 56.355 1.00 63.45 ATOM 138 CB SER A 25 71.519 79.861 53.666 1.00 62.23 ATOM 139 OG SER A 25 72.058 78.577 53.838 1.00 61.58 ATOM 140 N VAL A 26 71.644 78.967 56.861 1.00 64.29 ATOM 141 CA VAL A 26 71.189 78.188 58.027 1.00 64.84 ATOM 142 C VAL A 26 70.559 79.082 59.078 1.00 66.40 ATOM 143 O VAL A 26 69.657 78.673 59.790 1.00 66.26 ATOM 144 CB VAL A 26 72.341 77.449 58.719 1.00 64.88 ATOM 145 CG1 VAL A 26 71.927 76.934 60.090 1.00 63.90 ATOM 146 CG2 VAL A 26 72.845 76.293 57.846 1.00 65.79 ATOM 147 N THR A 27 71.060 80.298 59.188 1.00 68.19 ATOM 148 CA THR A 27 70.570 81.229 60.181 1.00 69.28 ATOM 149 C THR A 27 69.275 81.905 59.740 1.00 70.26 ATOM 150 O THR A 27 68.471 82.303 60.572 1.00 70.08 ATOM 151 CB THR A 27 71.626 82.267 60.464 1.00 69.39 ATOM 152 OG1 THR A 27 72.738 81.639 61.122 1.00 69.19 ATOM 153 CG2 THR A 27 71.073 83.353 61.333 1.00 69.62 ATOM 154 N ALA A 28 69.087 82.032 58.434 1.00 71.56 ATOM 155 CA ALA A 28 67.824 82.476 57.882 1.00 72.82 ATOM 156 C ALA A 28 66.730 81.460 58.180 1.00 73.42 ATOM 157 O ALA A 28 65.618 81.852 58.534 1.00 73.84 ATOM 158 CB ALA A 28 67.934 82.680 56.374 1.00 72.76 ATOM 159 N ARG A 29 67.026 80.167 58.009 1.00 74.19 ATOM 160 CA ARG A 29 66.018 79.129 58.236 1.00 74.73 ATOM 161 C ARG A 29 65.678 79.094 59.728 1.00 74.89 ATOM 162 O ARG A 29 64.506 79.141 60.111 1.00 75.08 ATOM 163 CB ARG A 29 66.452 77.736 57.721 1.00 75.39 ATOM 164 CG ARG A 29 65.297 76.928 57.052 1.00 77.32 ATOM 165 CD ARG A 29 63.997 76.928 57.896 1.00 80.35 ATOM 166 NE ARG A 29 62.929 76.035 57.440 1.00 80.79 ATOM 167 CZ ARG A 29 62.962 74.698 57.495 1.00 83.58 ATOM 168 NH1 ARG A 29 64.036 74.023 57.938 1.00 84.00 ATOM 169 NH2 ARG A 29 61.904 74.015 57.067 1.00 84.05 ATOM 170 N LEU A 30 66.702 79.045 60.566 1.00 74.92 ATOM 171 CA LEU A 30 66.507 79.032 62.010 1.00 75.01 ATOM 172 C LEU A 30 65.704 80.236 62.472 1.00 75.29 ATOM 173 O LEU A 30 64.710 80.089 63.173 1.00 75.69 ATOM 174 CB LEU A 30 67.857 78.993 62.712 1.00 75.11 ATOM 175 CG LEU A 30 67.926 79.082 64.237 1.00 74.90 ATOM 176 CD1 LEU A 30 67.837 80.525 64.715 1.00 75.21 ATOM 177 CD2 LEU A 30 66.863 78.214 64.880 1.00 74.89 ATOM 178 N ARG A 31 66.140 81.424 62.082 1.00 75.42 ATOM 179 CA ARG A 31 65.359 82.633 62.298 1.00 75.75 ATOM 180 C ARG A 31 63.871 82.489 61.919 1.00 75.11 ATOM 181 O ARG A 31 63.005 82.936 62.658 1.00 74.77 ATOM 182 CB ARG A 31 65.954 83.756 61.468 1.00 75.89 ATOM 183 CG ARG A 31 64.984 84.867 61.133 1.00 77.51 ATOM 184 CD ARG A 31 65.596 85.881 60.165 1.00 78.83 ATOM 185 NE ARG A 31 65.299 87.259 60.568 1.00 81.87 ATOM 186 CZ ARG A 31 65.777 87.849 61.670 1.00 82.90 ATOM 187 NH1 ARG A 31 66.579 87.189 62.515 1.00 83.62 ATOM 188 NH2 ARG A 31 65.440 89.107 61.942 1.00 82.65 ATOM 189 N GLU A 32 63.598 81.906 60.749 1.00 74.76 ATOM 190 CA GLU A 32 62.244 81.824 60.195 1.00 74.52 ATOM 191 C GLU A 32 61.375 80.781 60.896 1.00 74.35 ATOM 192 O GLU A 32 60.151 80.948 60.946 1.00 74.62 ATOM 193 CB GLU A 32 62.284 81.554 58.697 1.00 74.21 ATOM 194 N VAL A 33 61.985 79.719 61.426 1.00 73.97 ATOM 195 CA VAL A 33 61.251 78.728 62.224 1.00 73.94 ATOM 196 C VAL A 33 60.860 79.329 63.580 1.00 73.92 ATOM 197 O VAL A 33 59.692 79.262 64.005 1.00 73.53 ATOM 198 CB VAL A 33 62.053 77.418 62.411 1.00 73.76 ATOM 199 CG1 VAL A 33 61.458 76.559 63.502 1.00 73.70 ATOM 200 CG2 VAL A 33 62.087 76.624 61.111 1.00 73.92 ATOM 201 N GLU A 34 61.841 79.931 64.241 1.00 73.82 ATOM 202 CA GLU A 34 61.613 80.615 65.515 1.00 74.05 ATOM 203 C GLU A 34 60.635 81.791 65.462 1.00 73.80 ATOM 204 O GLU A 34 59.935 82.043 66.433 1.00 74.01 ATOM 205 CB GLU A 34 62.938 81.092 66.092 1.00 73.86 ATOM 206 CG GLU A 34 63.681 79.996 66.804 1.00 74.61 ATOM 207 CD GLU A 34 65.028 80.446 67.331 1.00 75.27 ATOM 208 OE1 GLU A 34 65.488 81.533 66.909 1.00 77.56 ATOM 209 OE2 GLU A 34 65.635 79.707 68.151 1.00 76.73 ATOM 210 N HIS A 35 60.592 82.517 64.351 1.00 73.97 ATOM 211 CA HIS A 35 59.645 83.632 64.207 1.00 74.08 ATOM 212 C HIS A 35 58.194 83.097 64.155 1.00 74.02 ATOM 213 O HIS A 35 57.402 83.324 65.079 1.00 73.62 ATOM 214 CB HIS A 35 59.982 84.486 62.970 1.00 74.07 ATOM 215 CG HIS A 35 58.992 85.582 62.707 1.00 74.33 ATOM 216 ND1 HIS A 35 58.098 85.544 61.655 1.00 74.38 ATOM 217 CD2 HIS A 35 58.739 86.732 63.376 1.00 74.41 ATOM 218 CE1 HIS A 35 57.345 86.628 61.682 1.00 74.44 ATOM 219 NE2 HIS A 35 57.714 87.366 62.715 1.00 74.77 ATOM 220 N ARG A 36 57.882 82.392 63.068 1.00 73.95 ATOM 221 CA ARG A 36 56.720 81.523 62.967 1.00 74.07 ATOM 222 C ARG A 36 56.258 80.998 64.322 1.00 73.76 ATOM 223 O ARG A 36 55.100 81.165 64.705 1.00 74.09 ATOM 224 CB ARG A 36 57.080 80.314 62.094 1.00 74.70 ATOM 225 CG ARG A 36 56.619 80.372 60.653 1.00 75.83 ATOM 226 CD ARG A 36 55.420 79.427 60.457 1.00 78.40 ATOM 227 NE ARG A 36 54.784 79.550 59.137 1.00 79.95 ATOM 228 CZ ARG A 36 53.990 80.554 58.738 1.00 81.08 ATOM 229 NH1 ARG A 36 53.726 81.582 59.538 1.00 81.24 ATOM 230 NH2 ARG A 36 53.471 80.536 57.509 1.00 81.16 ATOM 231 N ALA A 37 57.171 80.356 65.043 1.00 73.19 ATOM 232 CA ALA A 37 56.832 79.684 66.289 1.00 72.43 ATOM 233 C ALA A 37 56.204 80.617 67.315 1.00 72.22 ATOM 234 O ALA A 37 55.225 80.245 67.957 1.00 72.12 ATOM 235 CB ALA A 37 58.056 79.026 66.869 1.00 72.70 ATOM 236 N GLY A 38 56.766 81.817 67.467 1.00 71.62 ATOM 237 CA GLY A 38 56.265 82.784 68.460 1.00 71.16 ATOM 238 C GLY A 38 55.869 84.116 67.868 1.00 70.13 ATOM 239 O GLY A 38 56.006 85.146 68.507 1.00 70.06 ATOM 240 N GLU A 39 55.366 84.092 66.646 1.00 69.41 ATOM 241 CA GLU A 39 55.036 85.318 65.918 1.00 68.97 ATOM 242 C GLU A 39 53.905 86.086 66.588 1.00 68.11 ATOM 243 O GLU A 39 52.974 85.472 67.052 1.00 67.83 ATOM 244 CB GLU A 39 54.599 84.961 64.492 1.00 69.31 ATOM 245 CG GLU A 39 53.976 86.118 63.714 1.00 69.70 ATOM 246 CD GLU A 39 53.479 85.715 62.338 1.00 70.05 ATOM 247 OE1 GLU A 39 53.740 84.573 61.901 1.00 70.35 ATOM 248 OE2 GLU A 39 52.815 86.555 61.696 1.00 71.97 TER