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 C 1 917 UNP Q5UNP4 Q5UNP4_SACE 1 917 MODRES 2HG4 MSE C 46 MET SELENOMETHIONINE MODRES 2HG4 MSE C 91 MET SELENOMETHIONINE MODRES 2HG4 MSE C 113 MET SELENOMETHIONINE MODRES 2HG4 MSE C 120 MET SELENOMETHIONINE MODRES 2HG4 MSE C 193 MET SELENOMETHIONINE MODRES 2HG4 MSE C 210 MET SELENOMETHIONINE MODRES 2HG4 MSE C 229 MET SELENOMETHIONINE MODRES 2HG4 MSE C 385 MET SELENOMETHIONINE MODRES 2HG4 MSE C 396 MET SELENOMETHIONINE MODRES 2HG4 MSE C 480 MET SELENOMETHIONINE MODRES 2HG4 MSE C 555 MET SELENOMETHIONINE MODRES 2HG4 MSE C 567 MET SELENOMETHIONINE MODRES 2HG4 MSE C 621 MET SELENOMETHIONINE MODRES 2HG4 MSE C 680 MET SELENOMETHIONINE MODRES 2HG4 MSE C 786 MET SELENOMETHIONINE SEQRES 1 C 31 GLU GLU LYS LEU ARG ARG TYR LEU LYS ARG THR VAL THR SEQRES 2 C 31 GLU LEU ASP SER VAL THR ALA ARG LEU ARG GLU VAL GLU SEQRES 3 C 31 HIS ARG ALA GLY GLU ATOM 1 N GLU C 9 31.826 151.577 7.788 1.00 48.48 ATOM 2 CA GLU C 9 32.505 152.174 8.970 1.00 48.63 ATOM 3 C GLU C 9 33.700 153.050 8.554 1.00 48.85 ATOM 4 O GLU C 9 34.265 152.876 7.468 1.00 48.23 ATOM 5 CB GLU C 9 32.975 151.062 9.917 1.00 48.37 ATOM 6 CG GLU C 9 31.932 150.514 10.846 1.00 47.98 ATOM 7 CD GLU C 9 31.694 151.386 12.062 1.00 47.50 ATOM 8 OE1 GLU C 9 32.689 151.809 12.696 1.00 45.23 ATOM 9 OE2 GLU C 9 30.503 151.623 12.393 1.00 46.33 ATOM 10 N GLU C 10 34.061 153.985 9.443 1.00 49.36 ATOM 11 CA GLU C 10 35.339 154.725 9.387 1.00 49.58 ATOM 12 C GLU C 10 36.465 153.795 9.798 1.00 50.08 ATOM 13 O GLU C 10 37.626 154.197 9.942 1.00 49.74 ATOM 14 CB GLU C 10 35.351 156.007 10.252 1.00 49.74 ATOM 15 CG GLU C 10 34.305 156.136 11.387 1.00 50.11 ATOM 16 CD GLU C 10 34.595 155.292 12.625 1.00 50.51 ATOM 17 OE1 GLU C 10 35.774 154.921 12.858 1.00 48.40 ATOM 18 OE2 GLU C 10 33.620 155.025 13.378 1.00 50.13 ATOM 19 N LYS C 11 36.073 152.557 10.071 1.00 50.68 ATOM 20 CA LYS C 11 36.894 151.412 9.789 1.00 51.26 ATOM 21 C LYS C 11 37.838 151.808 8.668 1.00 51.38 ATOM 22 O LYS C 11 39.039 151.856 8.871 1.00 51.89 ATOM 23 CB LYS C 11 36.000 150.224 9.373 1.00 50.99 ATOM 24 N LEU C 12 37.286 152.120 7.499 1.00 51.89 ATOM 25 CA LEU C 12 38.076 152.450 6.301 1.00 52.29 ATOM 26 C LEU C 12 39.019 153.621 6.537 1.00 52.70 ATOM 27 O LEU C 12 40.214 153.539 6.247 1.00 52.17 ATOM 28 CB LEU C 12 37.153 152.821 5.133 1.00 52.27 ATOM 29 CG LEU C 12 36.242 151.759 4.512 1.00 51.93 ATOM 30 CD1 LEU C 12 35.147 152.404 3.675 1.00 51.81 ATOM 31 CD2 LEU C 12 37.047 150.814 3.665 1.00 51.65 ATOM 32 N ARG C 13 38.446 154.715 7.043 1.00 53.50 ATOM 33 CA ARG C 13 39.204 155.901 7.424 1.00 53.77 ATOM 34 C ARG C 13 40.532 155.457 8.010 1.00 54.77 ATOM 35 O ARG C 13 41.595 155.936 7.600 1.00 54.99 ATOM 36 CB ARG C 13 38.409 156.778 8.433 1.00 53.66 ATOM 37 N ARG C 14 40.481 154.511 8.941 1.00 55.83 ATOM 38 CA ARG C 14 41.699 154.039 9.580 1.00 57.11 ATOM 39 C ARG C 14 42.733 153.507 8.574 1.00 57.68 ATOM 40 O ARG C 14 43.895 153.875 8.653 1.00 57.31 ATOM 41 CB ARG C 14 41.408 153.016 10.699 1.00 56.85 ATOM 42 CG ARG C 14 41.646 153.570 12.115 1.00 56.97 ATOM 43 CD ARG C 14 41.723 152.482 13.178 1.00 56.79 ATOM 44 NE ARG C 14 40.831 151.362 12.883 1.00 56.83 ATOM 45 CZ ARG C 14 39.496 151.399 12.974 1.00 56.75 ATOM 46 NH1 ARG C 14 38.852 152.502 13.348 1.00 56.13 ATOM 47 NH2 ARG C 14 38.790 150.317 12.681 1.00 56.77 ATOM 48 N TYR C 15 42.320 152.681 7.613 1.00 59.03 ATOM 49 CA TYR C 15 43.311 152.011 6.746 1.00 59.63 ATOM 50 C TYR C 15 43.871 152.884 5.655 1.00 60.06 ATOM 51 O TYR C 15 44.905 152.532 5.075 1.00 60.57 ATOM 52 CB TYR C 15 42.836 150.632 6.241 1.00 60.66 ATOM 53 CG TYR C 15 42.806 149.681 7.433 1.00 62.06 ATOM 54 CD1 TYR C 15 44.010 149.338 8.138 1.00 62.69 ATOM 55 CD2 TYR C 15 41.585 149.195 7.932 1.00 61.61 ATOM 56 CE1 TYR C 15 43.969 148.490 9.300 1.00 62.45 ATOM 57 CE2 TYR C 15 41.539 148.354 9.081 1.00 61.34 ATOM 58 CZ TYR C 15 42.705 148.005 9.758 1.00 62.51 ATOM 59 OH TYR C 15 42.568 147.183 10.873 1.00 61.90 ATOM 60 N LEU C 16 43.246 154.033 5.408 1.00 59.99 ATOM 61 CA LEU C 16 43.961 155.098 4.716 1.00 60.20 ATOM 62 C LEU C 16 45.193 155.489 5.553 1.00 60.42 ATOM 63 O LEU C 16 46.322 155.216 5.162 1.00 60.38 ATOM 64 CB LEU C 16 43.060 156.296 4.431 1.00 59.93 ATOM 65 CG LEU C 16 42.502 156.291 3.010 1.00 59.47 ATOM 66 CD1 LEU C 16 41.351 157.251 2.876 1.00 59.03 ATOM 67 CD2 LEU C 16 43.591 156.621 1.997 1.00 59.01 ATOM 68 N LYS C 17 44.969 156.076 6.726 1.00 60.84 ATOM 69 CA LYS C 17 46.061 156.434 7.645 1.00 60.97 ATOM 70 C LYS C 17 47.219 155.402 7.579 1.00 61.23 ATOM 71 O LYS C 17 48.379 155.757 7.287 1.00 61.21 ATOM 72 CB LYS C 17 45.499 156.592 9.076 1.00 60.90 ATOM 73 CG LYS C 17 46.377 157.345 10.081 1.00 61.00 ATOM 74 CD LYS C 17 45.507 158.132 11.100 1.00 61.28 ATOM 75 CE LYS C 17 46.120 158.207 12.520 1.00 60.95 ATOM 76 NZ LYS C 17 47.603 158.221 12.523 1.00 59.83 ATOM 77 N ARG C 18 46.893 154.128 7.808 1.00 61.25 ATOM 78 CA ARG C 18 47.901 153.063 7.785 1.00 61.34 ATOM 79 C ARG C 18 48.679 153.069 6.491 1.00 61.37 ATOM 80 O ARG C 18 49.903 153.088 6.508 1.00 60.90 ATOM 81 CB ARG C 18 47.262 151.680 7.978 1.00 61.30 ATOM 82 CG ARG C 18 47.586 151.014 9.313 1.00 61.65 ATOM 83 CD ARG C 18 47.372 151.950 10.501 1.00 61.89 ATOM 84 NE ARG C 18 46.539 151.347 11.546 1.00 62.57 ATOM 85 CZ ARG C 18 45.223 151.114 11.443 1.00 61.69 ATOM 86 NH1 ARG C 18 44.566 151.410 10.327 1.00 60.14 ATOM 87 NH2 ARG C 18 44.561 150.572 12.465 1.00 61.57 ATOM 88 N THR C 19 47.940 153.068 5.381 1.00 61.61 ATOM 89 CA THR C 19 48.504 152.854 4.051 1.00 61.81 ATOM 90 C THR C 19 49.245 154.079 3.486 1.00 61.89 ATOM 91 O THR C 19 50.266 153.930 2.808 1.00 62.24 ATOM 92 CB THR C 19 47.417 152.357 3.057 1.00 61.78 ATOM 93 OG1 THR C 19 48.043 151.755 1.924 1.00 62.67 ATOM 94 CG2 THR C 19 46.536 153.475 2.569 1.00 61.71 ATOM 95 N VAL C 20 48.737 155.278 3.764 1.00 61.87 ATOM 96 CA VAL C 20 49.416 156.520 3.376 1.00 61.78 ATOM 97 C VAL C 20 50.804 156.560 4.006 1.00 61.65 ATOM 98 O VAL C 20 51.788 156.826 3.335 1.00 60.91 ATOM 99 CB VAL C 20 48.577 157.783 3.770 1.00 61.75 ATOM 100 CG1 VAL C 20 49.468 158.940 4.282 1.00 61.90 ATOM 101 CG2 VAL C 20 47.683 158.230 2.591 1.00 61.23 ATOM 102 N THR C 21 50.858 156.267 5.301 1.00 62.00 ATOM 103 CA THR C 21 52.104 156.247 6.047 1.00 62.22 ATOM 104 C THR C 21 53.148 155.386 5.356 1.00 62.79 ATOM 105 O THR C 21 54.338 155.713 5.376 1.00 63.53 ATOM 106 CB THR C 21 51.899 155.714 7.478 1.00 62.17 ATOM 107 OG1 THR C 21 50.683 156.243 8.031 1.00 62.67 ATOM 108 CG2 THR C 21 53.070 156.088 8.363 1.00 61.63 ATOM 109 N GLU C 22 52.725 154.289 4.746 1.00 63.15 ATOM 110 CA GLU C 22 53.670 153.466 4.009 1.00 63.76 ATOM 111 C GLU C 22 53.986 154.059 2.662 1.00 63.65 ATOM 112 O GLU C 22 55.138 154.074 2.261 1.00 63.78 ATOM 113 CB GLU C 22 53.132 152.077 3.809 1.00 64.21 ATOM 114 CG GLU C 22 53.218 151.246 5.038 1.00 65.55 ATOM 115 CD GLU C 22 52.241 150.099 5.006 1.00 67.99 ATOM 116 OE1 GLU C 22 51.510 149.945 3.990 1.00 68.19 ATOM 117 OE2 GLU C 22 52.200 149.353 6.012 1.00 70.74 ATOM 118 N LEU C 23 52.965 154.529 1.955 1.00 63.67 ATOM 119 CA LEU C 23 53.179 155.225 0.690 1.00 63.80 ATOM 120 C LEU C 23 54.344 156.238 0.845 1.00 64.07 ATOM 121 O LEU C 23 55.275 156.270 0.032 1.00 64.00 ATOM 122 CB LEU C 23 51.886 155.911 0.258 1.00 63.55 ATOM 123 CG LEU C 23 51.676 156.427 -1.170 1.00 63.79 ATOM 124 CD1 LEU C 23 52.709 157.472 -1.562 1.00 64.58 ATOM 125 CD2 LEU C 23 51.654 155.308 -2.187 1.00 64.26 ATOM 126 N ASP C 24 54.307 157.029 1.914 1.00 64.37 ATOM 127 CA ASP C 24 55.355 158.007 2.196 1.00 64.49 ATOM 128 C ASP C 24 56.654 157.279 2.445 1.00 65.00 ATOM 129 O ASP C 24 57.653 157.516 1.771 1.00 64.98 ATOM 130 CB ASP C 24 54.997 158.848 3.429 1.00 64.60 ATOM 131 CG ASP C 24 53.624 159.530 3.308 1.00 64.84 ATOM 132 OD1 ASP C 24 53.066 159.575 2.180 1.00 63.69 ATOM 133 OD2 ASP C 24 53.105 160.014 4.348 1.00 65.24 ATOM 134 N SER C 25 56.626 156.373 3.411 1.00 65.56 ATOM 135 CA SER C 25 57.809 155.612 3.774 1.00 66.16 ATOM 136 C SER C 25 58.456 154.883 2.616 1.00 66.50 ATOM 137 O SER C 25 59.673 154.830 2.514 1.00 66.64 ATOM 138 CB SER C 25 57.478 154.559 4.818 1.00 66.33 ATOM 139 OG SER C 25 58.535 153.605 4.868 1.00 66.94 ATOM 140 N VAL C 26 57.647 154.270 1.774 1.00 67.16 ATOM 141 CA VAL C 26 58.185 153.447 0.710 1.00 67.81 ATOM 142 C VAL C 26 58.780 154.382 -0.326 1.00 68.66 ATOM 143 O VAL C 26 59.768 154.064 -0.973 1.00 69.13 ATOM 144 CB VAL C 26 57.112 152.520 0.120 1.00 67.70 ATOM 145 CG1 VAL C 26 57.648 151.737 -1.058 1.00 67.03 ATOM 146 CG2 VAL C 26 56.601 151.553 1.203 1.00 68.36 ATOM 147 N THR C 27 58.210 155.569 -0.437 1.00 69.54 ATOM 148 CA THR C 27 58.741 156.570 -1.337 1.00 70.06 ATOM 149 C THR C 27 60.073 157.109 -0.840 1.00 70.66 ATOM 150 O THR C 27 60.950 157.403 -1.634 1.00 70.15 ATOM 151 CB THR C 27 57.781 157.734 -1.452 1.00 70.11 ATOM 152 OG1 THR C 27 56.551 157.293 -2.038 1.00 69.56 ATOM 153 CG2 THR C 27 58.377 158.804 -2.297 1.00 70.13 ATOM 154 N ALA C 28 60.197 157.254 0.475 1.00 71.74 ATOM 155 CA ALA C 28 61.449 157.648 1.078 1.00 72.92 ATOM 156 C ALA C 28 62.539 156.725 0.592 1.00 73.58 ATOM 157 O ALA C 28 63.459 157.188 -0.075 1.00 74.07 ATOM 158 CB ALA C 28 61.378 157.607 2.610 1.00 72.89 ATOM 159 N ARG C 29 62.437 155.427 0.908 1.00 74.35 ATOM 160 CA ARG C 29 63.542 154.495 0.642 1.00 74.85 ATOM 161 C ARG C 29 63.835 154.528 -0.866 1.00 74.95 ATOM 162 O ARG C 29 64.998 154.536 -1.299 1.00 74.68 ATOM 163 CB ARG C 29 63.271 153.061 1.182 1.00 75.43 ATOM 164 CG ARG C 29 64.474 152.420 1.948 1.00 77.26 ATOM 165 CD ARG C 29 65.843 152.702 1.256 1.00 80.01 ATOM 166 NE ARG C 29 66.923 151.784 1.608 1.00 80.46 ATOM 167 CZ ARG C 29 66.995 150.498 1.243 1.00 83.51 ATOM 168 NH1 ARG C 29 66.023 149.893 0.536 1.00 84.19 ATOM 169 NH2 ARG C 29 68.053 149.786 1.624 1.00 84.10 ATOM 170 N LEU C 30 62.769 154.622 -1.656 1.00 75.18 ATOM 171 CA LEU C 30 62.890 154.712 -3.122 1.00 75.37 ATOM 172 C LEU C 30 63.593 155.987 -3.603 1.00 75.66 ATOM 173 O LEU C 30 64.360 155.952 -4.554 1.00 75.77 ATOM 174 CB LEU C 30 61.507 154.590 -3.780 1.00 75.33 ATOM 175 CG LEU C 30 61.360 154.428 -5.313 1.00 75.20 ATOM 176 CD1 LEU C 30 61.300 155.753 -6.014 1.00 75.58 ATOM 177 CD2 LEU C 30 62.439 153.538 -5.948 1.00 74.98 ATOM 178 N ARG C 31 63.329 157.114 -2.963 1.00 75.90 ATOM 179 CA ARG C 31 64.049 158.312 -3.310 1.00 76.36 ATOM 180 C ARG C 31 65.521 158.150 -2.959 1.00 75.36 ATOM 181 O ARG C 31 66.378 158.382 -3.795 1.00 74.89 ATOM 182 CB ARG C 31 63.506 159.501 -2.552 1.00 76.52 ATOM 183 CG ARG C 31 64.382 160.758 -2.756 1.00 78.58 ATOM 184 CD ARG C 31 64.087 161.884 -1.732 1.00 79.55 ATOM 185 NE ARG C 31 63.839 163.171 -2.397 1.00 82.01 ATOM 186 CZ ARG C 31 62.799 163.400 -3.204 1.00 82.60 ATOM 187 NH1 ARG C 31 61.914 162.438 -3.456 1.00 83.67 ATOM 188 NH2 ARG C 31 62.641 164.588 -3.773 1.00 82.25 ATOM 189 N GLU C 32 65.796 157.784 -1.710 1.00 74.82 ATOM 190 CA GLU C 32 67.163 157.694 -1.227 1.00 74.65 ATOM 191 C GLU C 32 67.972 156.760 -2.129 1.00 74.65 ATOM 192 O GLU C 32 69.052 157.144 -2.584 1.00 75.13 ATOM 193 CB GLU C 32 67.229 157.255 0.254 1.00 74.31 ATOM 194 N VAL C 33 67.453 155.566 -2.420 1.00 74.32 ATOM 195 CA VAL C 33 68.191 154.593 -3.247 1.00 74.14 ATOM 196 C VAL C 33 68.554 155.183 -4.619 1.00 74.02 ATOM 197 O VAL C 33 69.716 155.130 -5.050 1.00 73.75 ATOM 198 CB VAL C 33 67.446 153.215 -3.362 1.00 74.06 ATOM 199 CG1 VAL C 33 67.583 152.578 -4.751 1.00 73.83 ATOM 200 CG2 VAL C 33 67.962 152.247 -2.291 1.00 74.26 ATOM 201 N GLU C 34 67.561 155.757 -5.287 1.00 74.02 ATOM 202 CA GLU C 34 67.776 156.391 -6.587 1.00 74.09 ATOM 203 C GLU C 34 68.671 157.591 -6.474 1.00 73.77 ATOM 204 O GLU C 34 69.452 157.855 -7.367 1.00 73.69 ATOM 205 CB GLU C 34 66.459 156.821 -7.216 1.00 73.96 ATOM 206 CG GLU C 34 65.722 155.677 -7.857 1.00 74.74 ATOM 207 CD GLU C 34 64.525 156.130 -8.656 1.00 75.06 ATOM 208 OE1 GLU C 34 63.774 157.027 -8.197 1.00 77.44 ATOM 209 OE2 GLU C 34 64.327 155.574 -9.748 1.00 76.39 ATOM 210 N HIS C 35 68.552 158.327 -5.379 1.00 73.93 ATOM 211 CA HIS C 35 69.390 159.491 -5.193 1.00 73.98 ATOM 212 C HIS C 35 70.853 159.080 -5.174 1.00 73.68 ATOM 213 O HIS C 35 71.647 159.598 -5.944 1.00 73.52 ATOM 214 CB HIS C 35 69.060 160.260 -3.917 1.00 74.04 ATOM 215 CG HIS C 35 70.072 161.318 -3.610 1.00 74.78 ATOM 216 ND1 HIS C 35 71.059 161.150 -2.659 1.00 75.46 ATOM 217 CD2 HIS C 35 70.305 162.519 -4.190 1.00 74.59 ATOM 218 CE1 HIS C 35 71.824 162.226 -2.633 1.00 75.33 ATOM 219 NE2 HIS C 35 71.391 163.069 -3.555 1.00 75.23 ATOM 220 N ARG C 36 71.204 158.157 -4.296 1.00 73.53 ATOM 221 CA ARG C 36 72.554 157.660 -4.276 1.00 74.13 ATOM 222 C ARG C 36 73.009 157.247 -5.652 1.00 73.25 ATOM 223 O ARG C 36 74.001 157.755 -6.150 1.00 73.58 ATOM 224 CB ARG C 36 72.690 156.496 -3.319 1.00 74.01 ATOM 225 CG ARG C 36 72.990 156.974 -1.927 1.00 75.98 ATOM 226 CD ARG C 36 73.626 155.875 -1.070 1.00 77.42 ATOM 227 NE ARG C 36 73.259 155.999 0.357 1.00 81.11 ATOM 228 CZ ARG C 36 72.031 155.778 0.870 1.00 81.46 ATOM 229 NH1 ARG C 36 71.002 155.443 0.093 1.00 81.45 ATOM 230 NH2 ARG C 36 71.823 155.914 2.180 1.00 81.21 ATOM 231 N ALA C 37 72.265 156.353 -6.279 1.00 72.66 ATOM 232 CA ALA C 37 72.664 155.792 -7.564 1.00 71.97 ATOM 233 C ALA C 37 73.038 156.834 -8.619 1.00 71.65 ATOM 234 O ALA C 37 73.949 156.607 -9.408 1.00 71.86 ATOM 235 CB ALA C 37 71.583 154.896 -8.088 1.00 72.14 ATOM 236 N GLY C 38 72.344 157.964 -8.637 1.00 71.12 ATOM 237 CA GLY C 38 72.607 159.020 -9.628 1.00 70.88 ATOM 238 C GLY C 38 73.073 160.335 -9.029 1.00 70.08 ATOM 239 O GLY C 38 72.892 161.399 -9.631 1.00 69.99 ATOM 240 N GLU C 39 73.694 160.264 -7.859 1.00 69.26 ATOM 241 CA GLU C 39 74.011 161.460 -7.078 1.00 68.84 ATOM 242 C GLU C 39 74.949 162.464 -7.799 1.00 68.14 ATOM 243 O GLU C 39 75.847 162.054 -8.493 1.00 68.07 ATOM 244 CB GLU C 39 74.642 161.024 -5.744 1.00 69.06 ATOM 245 CG GLU C 39 75.037 162.200 -4.845 1.00 69.67 ATOM 246 CD GLU C 39 75.549 161.794 -3.491 1.00 70.07 ATOM 247 OE1 GLU C 39 75.563 160.568 -3.195 1.00 71.05 ATOM 248 OE2 GLU C 39 75.927 162.726 -2.724 1.00 72.24 TER