HEADER OXIDOREDUCTASE 03-MAY-12 4AT2 TITLE The crystal structure of 3-ketosteroid-delta4-(5alpha)-dehydrogenase TITLE 2 from Rhodococcus jostii RHA1 in complex with 4-androstene-3,17- dione COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3-KETOSTEROID-DELTA4-5ALPHA-DEHYDROGENASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.3.99.5; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.60 ANGSTORMS DBREF 4AT2 A 1 490 UNP Q0S4Q9 Q0S4Q9_RHOS 1 490 SEQRES 1 A 30 THR VAL GLU GLU LEU GLU SER ASP MET GLY LEU PRO ALA SEQRES 2 A 30 GLY ALA LEU GLN SER THR VAL GLU VAL TYR ASN LYS HIS SEQRES 3 A 30 ALA ALA GLU GLY ATOM 1 N THR A 367 33.541 -15.048 29.361 1.00 14.40 ATOM 2 CA THR A 367 35.003 -15.104 29.361 1.00 13.54 ATOM 3 C THR A 367 35.612 -13.784 28.886 1.00 12.98 ATOM 4 O THR A 367 34.964 -12.999 28.191 1.00 12.82 ATOM 5 CB THR A 367 35.539 -16.234 28.452 1.00 13.64 ATOM 6 OG1 THR A 367 35.214 -15.945 27.090 1.00 13.76 ATOM 7 CG2 THR A 367 34.950 -17.621 28.836 1.00 14.24 ATOM 8 N VAL A 368 36.867 -13.545 29.277 1.00 12.47 ATOM 9 CA VAL A 368 37.623 -12.391 28.795 1.00 12.36 ATOM 10 C VAL A 368 37.845 -12.463 27.289 1.00 12.61 ATOM 11 O VAL A 368 37.761 -11.447 26.593 1.00 11.93 ATOM 12 CB VAL A 368 38.969 -12.262 29.537 1.00 12.06 ATOM 13 CG1 VAL A 368 39.785 -11.075 29.020 1.00 11.66 ATOM 14 CG2 VAL A 368 38.719 -12.095 31.024 1.00 12.37 ATOM 15 N GLU A 369 38.114 -13.667 26.785 1.00 13.15 ATOM 16 CA GLU A 369 38.272 -13.864 25.348 1.00 14.46 ATOM 17 C GLU A 369 37.041 -13.348 24.581 1.00 14.37 ATOM 18 O GLU A 369 37.181 -12.637 23.591 1.00 14.01 ATOM 19 CB GLU A 369 38.525 -15.340 25.030 1.00 16.40 ATOM 20 CG GLU A 369 38.630 -15.628 23.536 1.00 18.99 ATOM 21 CD GLU A 369 38.981 -17.068 23.217 1.00 21.74 ATOM 22 OE1 GLU A 369 39.009 -17.923 24.130 1.00 24.32 ATOM 23 OE2 GLU A 369 39.227 -17.343 22.028 1.00 24.09 ATOM 24 N GLU A 370 35.841 -13.696 25.048 1.00 14.24 ATOM 25 CA GLU A 370 34.628 -13.202 24.395 1.00 14.51 ATOM 26 C GLU A 370 34.442 -11.702 24.574 1.00 13.33 ATOM 27 O GLU A 370 34.063 -11.014 23.632 1.00 12.95 ATOM 28 CB GLU A 370 33.389 -13.916 24.923 1.00 16.12 ATOM 29 CG GLU A 370 33.258 -15.356 24.489 1.00 18.75 ATOM 30 CD GLU A 370 32.262 -16.090 25.358 1.00 20.36 ATOM 31 OE1 GLU A 370 32.618 -16.458 26.493 1.00 21.52 ATOM 32 OE2 GLU A 370 31.112 -16.266 24.919 1.00 22.61 ATOM 33 N LEU A 371 34.712 -11.194 25.778 1.00 12.47 ATOM 34 CA LEU A 371 34.552 -9.766 26.040 1.00 11.95 ATOM 35 C LEU A 371 35.455 -8.968 25.101 1.00 11.67 ATOM 36 O LEU A 371 35.055 -7.939 24.546 1.00 11.29 ATOM 37 CB LEU A 371 34.881 -9.441 27.507 1.00 11.80 ATOM 38 CG LEU A 371 34.585 -8.010 27.959 1.00 11.71 ATOM 39 CD1 LEU A 371 33.087 -7.703 27.944 1.00 12.24 ATOM 40 CD2 LEU A 371 35.138 -7.798 29.361 1.00 11.38 ATOM 41 N GLU A 372 36.678 -9.469 24.934 1.00 11.58 ATOM 42 CA GLU A 372 37.679 -8.828 24.069 1.00 11.83 ATOM 43 C GLU A 372 37.170 -8.678 22.634 1.00 12.46 ATOM 44 O GLU A 372 37.259 -7.597 22.056 1.00 12.46 ATOM 45 CB GLU A 372 38.960 -9.654 24.098 1.00 11.59 ATOM 46 CG GLU A 372 40.096 -9.183 23.201 1.00 11.48 ATOM 47 CD GLU A 372 41.256 -10.145 23.305 1.00 11.27 ATOM 48 OE1 GLU A 372 41.200 -11.218 22.670 1.00 11.44 ATOM 49 OE2 GLU A 372 42.205 -9.845 24.060 1.00 11.07 ATOM 50 N SER A 373 36.644 -9.766 22.081 0.50 13.12 ATOM 51 CA SER A 373 36.069 -9.746 20.739 0.50 13.82 ATOM 52 C SER A 373 34.871 -8.796 20.668 0.50 14.12 ATOM 53 O SER A 373 34.766 -7.978 19.744 0.50 14.37 ATOM 54 CB SER A 373 35.670 -11.153 20.305 0.50 14.43 ATOM 55 OG SER A 373 35.099 -11.121 19.010 0.50 15.04 ATOM 56 N ASP A 374 33.993 -8.890 21.669 1.00 14.22 ATOM 57 CA ASP A 374 32.801 -8.030 21.770 1.00 14.44 ATOM 58 C ASP A 374 33.164 -6.550 21.688 1.00 14.57 ATOM 59 O ASP A 374 32.462 -5.757 21.064 1.00 14.95 ATOM 60 CB ASP A 374 32.057 -8.273 23.096 1.00 14.46 ATOM 61 CG ASP A 374 31.405 -9.655 23.189 1.00 14.63 ATOM 62 OD1 ASP A 374 31.269 -10.370 22.168 1.00 15.22 ATOM 63 OD2 ASP A 374 31.000 -10.025 24.316 1.00 14.72 ATOM 64 N MET A 375 34.267 -6.184 22.335 1.00 14.17 ATOM 65 CA MET A 375 34.720 -4.803 22.412 1.00 14.11 ATOM 66 C MET A 375 35.471 -4.361 21.158 1.00 14.45 ATOM 67 O MET A 375 35.833 -3.189 21.046 1.00 15.23 ATOM 68 CB MET A 375 35.639 -4.625 23.620 1.00 13.67 ATOM 69 CG MET A 375 34.938 -4.767 24.958 1.00 13.52 ATOM 70 SD MET A 375 36.134 -4.831 26.297 1.00 13.08 ATOM 71 CE MET A 375 36.650 -3.117 26.332 1.00 13.21 ATOM 72 N GLY A 376 35.727 -5.305 20.254 1.00 14.79 ATOM 73 CA GLY A 376 36.459 -5.023 19.012 1.00 15.27 ATOM 74 C GLY A 376 37.962 -4.868 19.198 1.00 15.24 ATOM 75 O GLY A 376 38.646 -4.276 18.345 1.00 15.96 ATOM 76 N LEU A 377 38.484 -5.385 20.307 1.00 14.83 ATOM 77 CA LEU A 377 39.932 -5.360 20.545 1.00 14.39 ATOM 78 C LEU A 377 40.608 -6.527 19.827 1.00 14.38 ATOM 79 O LEU A 377 40.019 -7.595 19.688 1.00 15.27 ATOM 80 CB LEU A 377 40.224 -5.410 22.056 1.00 14.14 ATOM 81 CG LEU A 377 39.828 -4.178 22.881 1.00 14.05 ATOM 82 CD1 LEU A 377 39.942 -4.427 24.391 1.00 14.08 ATOM 83 CD2 LEU A 377 40.668 -2.971 22.489 1.00 14.35 ATOM 84 N PRO A 378 41.870 -6.340 19.378 1.00 14.14 ATOM 85 CA PRO A 378 42.593 -7.430 18.704 1.00 14.02 ATOM 86 C PRO A 378 42.795 -8.642 19.612 1.00 13.49 ATOM 87 O PRO A 378 42.948 -8.472 20.830 1.00 13.46 ATOM 88 CB PRO A 378 43.948 -6.791 18.351 1.00 14.41 ATOM 89 CG PRO A 378 43.705 -5.321 18.382 1.00 14.53 ATOM 90 CD PRO A 378 42.668 -5.105 19.450 1.00 14.36 ATOM 91 N ALA A 379 42.818 -9.839 19.030 1.00 13.37 ATOM 92 CA ALA A 379 42.980 -11.070 19.804 1.00 13.23 ATOM 93 C ALA A 379 44.212 -10.980 20.692 1.00 12.95 ATOM 94 O ALA A 379 45.311 -10.705 20.204 1.00 13.08 ATOM 95 CB ALA A 379 43.081 -12.280 18.887 1.00 13.75 ATOM 96 N GLY A 380 44.007 -11.191 21.988 1.00 12.48 ATOM 97 CA GLY A 380 45.081 -11.207 22.967 1.00 11.96 ATOM 98 C GLY A 380 45.327 -9.895 23.705 1.00 11.35 ATOM 99 O GLY A 380 45.921 -9.905 24.777 1.00 11.08 ATOM 100 N ALA A 381 44.898 -8.763 23.140 1.00 11.18 ATOM 101 CA ALA A 381 45.198 -7.447 23.746 1.00 10.82 ATOM 102 C ALA A 381 44.638 -7.304 25.157 1.00 10.63 ATOM 103 O ALA A 381 45.352 -6.875 26.083 1.00 10.67 ATOM 104 CB ALA A 381 44.705 -6.303 22.860 1.00 11.18 ATOM 105 N LEU A 382 43.379 -7.691 25.336 1.00 10.43 ATOM 106 CA LEU A 382 42.765 -7.634 26.661 1.00 10.16 ATOM 107 C LEU A 382 43.060 -8.907 27.457 1.00 10.05 ATOM 108 O LEU A 382 43.317 -8.840 28.673 1.00 9.91 ATOM 109 CB LEU A 382 41.247 -7.395 26.569 1.00 10.43 ATOM 110 CG LEU A 382 40.491 -7.336 27.909 1.00 10.47 ATOM 111 CD1 LEU A 382 40.887 -6.120 28.745 1.00 10.68 ATOM 112 CD2 LEU A 382 38.989 -7.347 27.627 1.00 10.67 ATOM 113 N GLN A 383 43.040 -10.054 26.786 1.00 9.98 ATOM 114 CA GLN A 383 43.305 -11.319 27.474 1.00 10.45 ATOM 115 C GLN A 383 44.642 -11.282 28.197 1.00 10.33 ATOM 116 O GLN A 383 44.753 -11.725 29.339 1.00 10.38 ATOM 117 CB GLN A 383 43.292 -12.494 26.502 1.00 10.99 ATOM 118 CG GLN A 383 41.930 -12.793 25.888 1.00 11.70 ATOM 119 CD GLN A 383 41.994 -14.028 25.019 1.00 12.40 ATOM 120 OE1 GLN A 383 42.159 -15.150 25.519 1.00 13.37 ATOM 121 NE2 GLN A 383 41.877 -13.833 23.716 1.00 13.13 ATOM 122 N SER A 384 45.664 -10.771 27.519 1.00 10.36 ATOM 123 CA SER A 384 46.996 -10.732 28.115 1.00 10.47 ATOM 124 C SER A 384 47.058 -9.758 29.286 1.00 10.18 ATOM 125 O SER A 384 47.660 -10.077 30.305 1.00 10.21 ATOM 126 CB SER A 384 48.072 -10.408 27.076 1.00 10.84 ATOM 127 OG SER A 384 47.871 -9.128 26.503 1.00 11.60 ATOM 128 N THR A 385 46.433 -8.592 29.145 1.00 9.69 ATOM 129 CA THR A 385 46.355 -7.627 30.249 1.00 9.56 ATOM 130 C THR A 385 45.769 -8.279 31.497 1.00 9.56 ATOM 131 O THR A 385 46.304 -8.133 32.595 1.00 9.34 ATOM 132 CB THR A 385 45.512 -6.410 29.826 1.00 9.60 ATOM 133 OG1 THR A 385 46.280 -5.661 28.883 1.00 10.19 ATOM 134 CG2 THR A 385 45.128 -5.508 31.021 1.00 9.52 ATOM 135 N VAL A 386 44.675 -9.011 31.315 1.00 9.67 ATOM 136 CA VAL A 386 43.990 -9.623 32.448 1.00 9.75 ATOM 137 C VAL A 386 44.798 -10.803 33.004 1.00 10.16 ATOM 138 O VAL A 386 44.858 -10.995 34.226 1.00 9.97 ATOM 139 CB VAL A 386 42.540 -10.025 32.084 1.00 9.89 ATOM 140 CG1 VAL A 386 41.888 -10.817 33.218 1.00 10.03 ATOM 141 CG2 VAL A 386 41.725 -8.782 31.755 1.00 9.83 ATOM 142 N GLU A 387 45.436 -11.567 32.121 1.00 10.59 ATOM 143 CA GLU A 387 46.256 -12.711 32.576 1.00 11.55 ATOM 144 C GLU A 387 47.392 -12.232 33.493 1.00 10.77 ATOM 145 O GLU A 387 47.603 -12.794 34.576 1.00 10.79 ATOM 146 CB GLU A 387 46.830 -13.499 31.396 1.00 13.22 ATOM 147 CG GLU A 387 45.831 -14.435 30.736 1.00 16.12 ATOM 148 CD GLU A 387 46.285 -14.922 29.370 1.00 18.67 ATOM 149 OE1 GLU A 387 47.473 -14.739 29.010 1.00 20.30 ATOM 150 OE2 GLU A 387 45.434 -15.484 28.636 1.00 21.73 ATOM 151 N VAL A 388 48.103 -11.193 33.064 1.00 10.12 ATOM 152 CA VAL A 388 49.250 -10.673 33.823 1.00 9.53 ATOM 153 C VAL A 388 48.749 -10.027 35.118 1.00 9.31 ATOM 154 O VAL A 388 49.297 -10.276 36.202 1.00 9.21 ATOM 155 CB VAL A 388 50.095 -9.696 32.971 1.00 9.43 ATOM 156 CG1 VAL A 388 51.201 -9.025 33.803 1.00 9.27 ATOM 157 CG2 VAL A 388 50.692 -10.435 31.779 1.00 9.60 ATOM 158 N TYR A 389 47.670 -9.256 35.020 1.00 8.86 ATOM 159 CA TYR A 389 47.103 -8.622 36.204 1.00 8.73 ATOM 160 C TYR A 389 46.716 -9.681 37.222 1.00 8.88 ATOM 161 O TYR A 389 47.034 -9.565 38.410 1.00 8.87 ATOM 162 CB TYR A 389 45.876 -7.782 35.840 1.00 8.62 ATOM 163 CG TYR A 389 45.228 -7.132 37.044 1.00 8.47 ATOM 164 CD1 TYR A 389 45.732 -5.940 37.563 1.00 8.44 ATOM 165 CD2 TYR A 389 44.121 -7.714 37.667 1.00 8.41 ATOM 166 CE1 TYR A 389 45.148 -5.344 38.672 1.00 8.41 ATOM 167 CE2 TYR A 389 43.526 -7.120 38.772 1.00 8.55 ATOM 168 CZ TYR A 389 44.048 -5.935 39.263 1.00 8.47 ATOM 169 OH TYR A 389 43.477 -5.337 40.357 1.00 8.93 ATOM 170 N ASN A 390 46.030 -10.717 36.747 1.00 8.93 ATOM 171 CA ASN A 390 45.556 -11.765 37.640 1.00 9.33 ATOM 172 C ASN A 390 46.667 -12.582 38.267 1.00 9.74 ATOM 173 O ASN A 390 46.536 -13.008 39.416 1.00 9.98 ATOM 174 CB ASN A 390 44.587 -12.701 36.921 1.00 9.32 ATOM 175 CG ASN A 390 43.201 -12.111 36.792 1.00 9.32 ATOM 176 OD1 ASN A 390 42.943 -10.991 37.236 1.00 8.93 ATOM 177 ND2 ASN A 390 42.284 -12.886 36.200 1.00 9.53 ATOM 178 N LYS A 391 47.744 -12.823 37.521 1.00 10.24 ATOM 179 CA LYS A 391 48.865 -13.598 38.076 1.00 11.02 ATOM 180 C LYS A 391 49.415 -12.898 39.322 1.00 10.75 ATOM 181 O LYS A 391 49.630 -13.518 40.373 1.00 11.22 ATOM 182 CB LYS A 391 49.965 -13.772 37.018 1.00 12.49 ATOM 183 CG LYS A 391 51.204 -14.492 37.530 1.00 14.45 ATOM 184 CD LYS A 391 52.204 -14.735 36.407 1.00 16.90 ATOM 185 CE LYS A 391 53.053 -13.504 36.150 1.00 18.43 ATOM 186 NZ LYS A 391 52.639 -12.761 34.924 1.00 19.83 ATOM 187 N HIS A 392 49.607 -11.592 39.215 1.00 10.16 ATOM 188 CA HIS A 392 50.119 -10.820 40.346 1.00 9.72 ATOM 189 C HIS A 392 49.051 -10.541 41.366 1.00 9.49 ATOM 190 O HIS A 392 49.323 -10.530 42.564 1.00 9.34 ATOM 191 CB HIS A 392 50.783 -9.543 39.859 1.00 9.71 ATOM 192 CG HIS A 392 52.007 -9.798 39.019 1.00 9.97 ATOM 193 ND1 HIS A 392 53.197 -10.141 39.557 1.00 10.14 ATOM 194 CD2 HIS A 392 52.184 -9.791 37.640 1.00 9.97 ATOM 195 CE1 HIS A 392 54.103 -10.320 38.570 1.00 10.34 ATOM 196 NE2 HIS A 392 53.485 -10.112 37.395 1.00 10.25 ATOM 197 N ALA A 393 47.815 -10.353 40.916 1.00 9.31 ATOM 198 CA ALA A 393 46.722 -10.019 41.852 1.00 9.39 ATOM 199 C ALA A 393 46.392 -11.171 42.804 1.00 9.70 ATOM 200 O ALA A 393 45.877 -10.937 43.900 1.00 9.76 ATOM 201 CB ALA A 393 45.474 -9.596 41.092 1.00 9.27 ATOM 202 N ALA A 394 46.681 -12.398 42.387 1.00 9.93 ATOM 203 CA ALA A 394 46.487 -13.576 43.250 1.00 10.50 ATOM 204 C ALA A 394 47.432 -13.516 44.460 1.00 10.99 ATOM 205 O ALA A 394 47.218 -14.209 45.471 1.00 11.26 ATOM 206 CB ALA A 394 46.682 -14.868 42.458 1.00 10.42 ATOM 207 N GLU A 395 48.458 -12.672 44.349 1.00 11.59 ATOM 208 CA GLU A 395 49.415 -12.410 45.425 1.00 12.67 ATOM 209 C GLU A 395 49.181 -11.025 46.054 1.00 12.23 ATOM 210 O GLU A 395 50.033 -10.521 46.797 1.00 12.63 ATOM 211 CB GLU A 395 50.858 -12.546 44.893 1.00 14.60 ATOM 212 CG GLU A 395 51.139 -13.912 44.259 1.00 17.32 ATOM 213 CD GLU A 395 52.471 -14.015 43.534 1.00 19.32 ATOM 214 OE1 GLU A 395 53.311 -13.089 43.620 1.00 20.83 ATOM 215 OE2 GLU A 395 52.684 -15.052 42.861 1.00 21.26 ATOM 216 N GLY A 396 48.029 -10.418 45.758 1.00 11.52 ATOM 217 CA GLY A 396 47.678 -9.079 46.278 1.00 11.24 ATOM 218 C GLY A 396 48.602 -7.980 45.807 1.00 10.98 ATOM 219 O GLY A 396 48.729 -6.943 46.461 1.00 11.01 TER