HEADER PROTEIN BINDING 03-NOV-08 3F5H TITLE Crystal structure of fused docking domains from PikAIII and PikAIV of TITLE 2 the pikromycin polyketide synthase COMPND MOL_ID: 1; COMPND 2 MOLECULE: Type I polyketide synthase PikAIII, Type I polyketide COMPND 3 synthase PikAIV fusion protein; COMPND 4 CHAIN: A, B; COMPND 5 C-terminal domain of PikAIII fused to N-terminal domain of ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.75 ANGSTORMS DBREF 3F5H A 1534 1562 UNP Q9ZGI3 Q9ZGI3_9ACT 1534 1562 DBREF 3F5H A 1 37 UNP Q9ZGI2 Q9ZGI2_9ACT 1 37 SEQRES 1 A 20 SER ILE ASP ASP LEU ASP ALA GLU ALA LEU ILE ARG MET SEQRES 2 A 20 ALA LEU GLY PRO ARG ASN THR ATOM 1 N SER A1543 27.956 14.413 7.719 1.00 32.58 ATOM 2 CA SER A1543 28.566 14.585 6.365 1.00 31.88 ATOM 3 C SER A1543 29.716 15.587 6.390 1.00 31.13 ATOM 4 O SER A1543 29.541 16.729 6.825 1.00 30.26 ATOM 5 CB SER A1543 27.535 15.058 5.350 1.00 32.11 ATOM 6 OG SER A1543 28.186 15.268 4.102 1.00 35.50 ATOM 7 N ILE A1544 30.881 15.165 5.894 1.00 29.75 ATOM 8 CA ILE A1544 32.062 16.026 5.931 1.00 27.98 ATOM 9 C ILE A1544 31.852 17.324 5.143 1.00 27.56 ATOM 10 O ILE A1544 32.451 18.348 5.461 1.00 26.03 ATOM 11 CB ILE A1544 33.357 15.251 5.537 1.00 28.20 ATOM 12 CG1 ILE A1544 33.788 14.364 6.696 1.00 28.38 ATOM 13 CG2 ILE A1544 34.494 16.201 5.212 1.00 27.49 ATOM 14 CD1 ILE A1544 34.735 13.243 6.313 1.00 32.30 ATOM 15 N ASP A1545 30.967 17.303 4.142 1.00 28.23 ATOM 16 CA ASP A1545 30.690 18.511 3.364 1.00 28.68 ATOM 17 C ASP A1545 30.056 19.606 4.189 1.00 27.86 ATOM 18 O ASP A1545 30.095 20.776 3.819 1.00 27.63 ATOM 19 CB ASP A1545 29.761 18.194 2.194 1.00 30.40 ATOM 20 CG ASP A1545 30.450 17.406 1.130 1.00 33.86 ATOM 21 OD1 ASP A1545 31.594 17.800 0.787 1.00 37.40 ATOM 22 OD2 ASP A1545 29.857 16.399 0.665 1.00 37.87 ATOM 23 N ASP A1546 29.454 19.215 5.301 1.00 27.14 ATOM 24 CA ASP A1546 28.765 20.170 6.166 1.00 26.98 ATOM 25 C ASP A1546 29.669 20.797 7.211 1.00 26.59 ATOM 26 O ASP A1546 29.260 21.703 7.923 1.00 27.46 ATOM 27 CB ASP A1546 27.612 19.466 6.860 1.00 26.94 ATOM 28 CG ASP A1546 26.479 19.151 5.908 1.00 29.14 ATOM 29 OD1 ASP A1546 26.221 19.973 5.012 1.00 29.53 ATOM 30 OD2 ASP A1546 25.851 18.084 6.065 1.00 34.20 ATOM 31 N LEU A1547 30.903 20.320 7.306 1.00 25.43 ATOM 32 CA LEU A1547 31.815 20.807 8.323 1.00 24.91 ATOM 33 C LEU A1547 32.587 22.034 7.869 1.00 25.01 ATOM 34 O LEU A1547 33.031 22.119 6.710 1.00 25.25 ATOM 35 CB LEU A1547 32.808 19.708 8.687 1.00 24.59 ATOM 36 CG LEU A1547 32.209 18.424 9.257 1.00 24.10 ATOM 37 CD1 LEU A1547 33.286 17.369 9.471 1.00 23.37 ATOM 38 CD2 LEU A1547 31.506 18.738 10.551 1.00 22.50 ATOM 39 N ASP A1548 32.799 22.957 8.802 1.00 25.00 ATOM 40 CA ASP A1548 33.575 24.147 8.529 1.00 24.08 ATOM 41 C ASP A1548 35.048 23.870 8.722 1.00 22.75 ATOM 42 O ASP A1548 35.419 22.801 9.214 1.00 21.86 ATOM 43 CB ASP A1548 33.110 25.356 9.382 1.00 25.44 ATOM 44 CG ASP A1548 33.289 25.160 10.899 1.00 28.34 ATOM 45 OD1 ASP A1548 33.999 24.247 11.385 1.00 29.16 ATOM 46 OD2 ASP A1548 32.705 25.978 11.646 1.00 34.25 ATOM 47 N ALA A1549 35.873 24.834 8.327 1.00 20.86 ATOM 48 CA ALA A1549 37.324 24.696 8.406 1.00 20.58 ATOM 49 C ALA A1549 37.821 24.337 9.800 1.00 20.31 ATOM 50 O ALA A1549 38.690 23.480 9.949 1.00 19.95 ATOM 51 CB ALA A1549 38.030 25.980 7.891 1.00 20.08 ATOM 52 N GLU A1550 37.319 25.024 10.820 1.00 19.82 ATOM 53 CA GLU A1550 37.734 24.729 12.182 1.00 20.01 ATOM 54 C GLU A1550 37.564 23.252 12.536 1.00 18.80 ATOM 55 O GLU A1550 38.449 22.626 13.109 1.00 17.88 ATOM 56 CB GLU A1550 36.944 25.593 13.178 1.00 21.08 ATOM 57 CG GLU A1550 37.368 25.310 14.593 1.00 27.04 ATOM 58 CD GLU A1550 36.900 26.361 15.572 1.00 35.54 ATOM 59 OE1 GLU A1550 35.662 26.538 15.684 1.00 34.92 ATOM 60 OE2 GLU A1550 37.783 27.001 16.223 1.00 37.80 ATOM 61 N ALA A1551 36.438 22.668 12.159 1.00 18.18 ATOM 62 CA ALA A1551 36.186 21.274 12.492 1.00 18.06 ATOM 63 C ALA A1551 37.057 20.323 11.675 1.00 17.43 ATOM 64 O ALA A1551 37.505 19.296 12.189 1.00 18.79 ATOM 65 CB ALA A1551 34.703 20.944 12.269 1.00 18.83 ATOM 66 N LEU A1552 37.294 20.663 10.409 1.00 16.41 ATOM 67 CA LEU A1552 38.151 19.839 9.547 1.00 15.55 ATOM 68 C LEU A1552 39.558 19.831 10.112 1.00 15.27 ATOM 69 O LEU A1552 40.213 18.804 10.183 1.00 14.61 ATOM 70 CB LEU A1552 38.173 20.371 8.097 1.00 15.26 ATOM 71 CG LEU A1552 36.797 20.373 7.397 1.00 15.11 ATOM 72 CD1 LEU A1552 36.853 21.148 6.114 1.00 15.30 ATOM 73 CD2 LEU A1552 36.341 18.940 7.150 1.00 16.25 ATOM 74 N ILE A1553 40.018 21.005 10.505 1.00 15.46 ATOM 75 CA ILE A1553 41.371 21.125 11.014 1.00 15.71 ATOM 76 C ILE A1553 41.523 20.288 12.277 1.00 17.30 ATOM 77 O ILE A1553 42.548 19.602 12.488 1.00 17.31 ATOM 78 CB ILE A1553 41.694 22.585 11.311 1.00 15.83 ATOM 79 CG1 ILE A1553 41.745 23.380 9.995 1.00 15.66 ATOM 80 CG2 ILE A1553 42.979 22.665 12.099 1.00 15.32 ATOM 81 CD1 ILE A1553 41.698 24.906 10.209 1.00 18.60 ATOM 82 N ARG A1554 40.517 20.338 13.146 1.00 16.56 ATOM 83 CA ARG A1554 40.599 19.573 14.374 1.00 18.34 ATOM 84 C ARG A1554 40.609 18.077 14.095 1.00 17.79 ATOM 85 O ARG A1554 41.276 17.302 14.791 1.00 18.32 ATOM 86 CB ARG A1554 39.456 19.916 15.299 1.00 18.38 ATOM 87 CG ARG A1554 39.762 19.500 16.735 1.00 23.51 ATOM 88 CD ARG A1554 38.502 19.661 17.574 1.00 29.80 ATOM 89 NE ARG A1554 37.484 18.704 17.119 1.00 34.00 ATOM 90 CZ ARG A1554 36.287 19.030 16.617 1.00 34.31 ATOM 91 NH1 ARG A1554 35.917 20.301 16.519 1.00 33.55 ATOM 92 NH2 ARG A1554 35.463 18.064 16.223 1.00 35.52 ATOM 93 N MET A1555 39.902 17.665 13.058 1.00 16.82 ATOM 94 CA MET A1555 39.840 16.255 12.733 1.00 17.08 ATOM 95 C MET A1555 41.223 15.787 12.338 1.00 15.88 ATOM 96 O MET A1555 41.659 14.700 12.718 1.00 16.42 ATOM 97 CB MET A1555 38.859 15.994 11.603 1.00 17.38 ATOM 98 CG MET A1555 37.426 16.102 12.087 1.00 19.44 ATOM 99 SD MET A1555 36.216 16.120 10.755 1.00 26.53 ATOM 100 CE MET A1555 36.416 14.457 10.097 1.00 21.14 ATOM 101 N ALA A1556 41.915 16.634 11.591 1.00 15.70 ATOM 102 CA ALA A1556 43.188 16.249 11.032 1.00 15.76 ATOM 103 C ALA A1556 44.317 16.358 12.060 1.00 17.13 ATOM 104 O ALA A1556 45.257 15.559 12.030 1.00 17.03 ATOM 105 CB ALA A1556 43.505 17.132 9.804 1.00 15.36 ATOM 106 N LEU A1557 44.260 17.371 12.929 1.00 15.92 ATOM 107 CA LEU A1557 45.414 17.661 13.779 1.00 17.45 ATOM 108 C LEU A1557 45.205 17.278 15.228 1.00 17.87 ATOM 109 O LEU A1557 46.174 17.139 15.976 1.00 18.22 ATOM 110 CB LEU A1557 45.758 19.155 13.720 1.00 17.02 ATOM 111 CG LEU A1557 46.244 19.670 12.356 1.00 16.93 ATOM 112 CD1 LEU A1557 46.449 21.179 12.434 1.00 16.15 ATOM 113 CD2 LEU A1557 47.546 18.986 11.970 1.00 19.32 ATOM 114 N GLY A1558 43.942 17.139 15.636 1.00 18.25 ATOM 115 CA GLY A1558 43.626 16.779 17.014 1.00 18.61 ATOM 116 C GLY A1558 43.478 17.993 17.926 1.00 19.48 ATOM 117 O GLY A1558 44.083 19.065 17.676 1.00 19.38 ATOM 118 N PRO A1559 42.682 17.852 18.997 1.00 18.54 ATOM 119 CA PRO A1559 42.400 19.021 19.830 1.00 19.03 ATOM 120 C PRO A1559 43.611 19.539 20.603 1.00 19.16 ATOM 121 O PRO A1559 43.659 20.718 20.924 1.00 19.02 ATOM 122 CB PRO A1559 41.297 18.519 20.778 1.00 18.72 ATOM 123 CG PRO A1559 41.527 17.049 20.861 1.00 19.42 ATOM 124 CD PRO A1559 42.042 16.627 19.511 1.00 19.52 ATOM 125 N ARG A1560 44.615 18.707 20.878 1.00 19.56 ATOM 126 CA ARG A1560 45.732 19.259 21.614 1.00 20.49 ATOM 127 C ARG A1560 46.375 20.327 20.739 1.00 20.00 ATOM 128 O ARG A1560 46.634 21.465 21.179 1.00 20.12 ATOM 129 CB ARG A1560 46.740 18.196 22.041 1.00 20.11 ATOM 130 CG ARG A1560 47.792 18.785 23.012 1.00 24.53 ATOM 131 CD ARG A1560 48.965 17.830 23.266 1.00 27.24 ATOM 132 NE ARG A1560 48.504 16.498 23.671 1.00 33.25 ATOM 133 CZ ARG A1560 48.384 16.073 24.933 1.00 35.50 ATOM 134 NH1 ARG A1560 48.678 16.872 25.963 1.00 35.16 ATOM 135 NH2 ARG A1560 47.965 14.833 25.162 1.00 35.09 ATOM 136 N ASN A1561 46.604 19.964 19.483 1.00 19.00 ATOM 137 CA ASN A1561 47.189 20.884 18.525 1.00 18.90 ATOM 138 C ASN A1561 46.367 22.154 18.323 1.00 18.27 ATOM 139 O ASN A1561 46.909 23.281 18.353 1.00 18.30 ATOM 140 CB ASN A1561 47.380 20.166 17.188 1.00 18.49 ATOM 141 CG ASN A1561 47.905 21.092 16.096 1.00 22.28 ATOM 142 OD1 ASN A1561 47.227 22.037 15.682 1.00 23.89 ATOM 143 ND2 ASN A1561 49.108 20.816 15.620 1.00 20.48 ATOM 144 N THR A1562 45.060 22.000 18.111 1.00 17.89 ATOM 145 CA THR A1562 44.252 23.163 17.817 1.00 17.39 ATOM 146 C THR A1562 44.063 24.064 19.045 1.00 17.78 ATOM 147 O THR A1562 44.042 25.286 18.907 1.00 16.77 ATOM 148 CB THR A1562 42.919 22.794 17.225 1.00 17.44 ATOM 149 OG1 THR A1562 42.199 21.996 18.166 1.00 19.11 ATOM 150 CG2 THR A1562 43.130 21.986 15.926 1.00 17.64 TER