HEADER PHOTOSYNTHESIS 22-AUG-03 1Q90 TITLE Structure of the cytochrome b6f (plastohydroquinone : plastocyanin TITLE 2 oxidoreductase) from Chlamydomonas reinhardtii COMPND MOL_ID: 9; COMPND 2 MOLECULE: Cytochrome b6f complex subunit PETN; COMPND 3 CHAIN: N; COMPND 4 FRAGMENT: Residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.10 ANGSTORMS DBREF 1Q90 N 68 98 UNP P50369 PETL_CHLRE 68 98 SEQRES 1 N 31 GLY GLU PRO ALA ILE VAL GLN ILE GLY TRP ALA ALA THR SEQRES 2 N 31 CYS VAL MET PHE SER PHE SER LEU SER LEU VAL VAL TRP SEQRES 3 N 31 GLY ARG SER GLY LEU ATOM 1 N GLY N 1 54.067 129.310 118.563 1.00 46.52 ATOM 2 CA GLY N 1 55.516 128.839 118.445 1.00 46.52 ATOM 3 C GLY N 1 56.538 129.968 118.368 1.00 46.52 ATOM 4 O GLY N 1 57.230 130.160 117.364 1.00 46.52 ATOM 5 N GLU N 2 56.654 130.718 119.453 1.00 68.29 ATOM 6 CA GLU N 2 57.562 131.849 119.495 1.00 68.29 ATOM 7 C GLU N 2 58.964 131.422 119.845 1.00 68.29 ATOM 8 O GLU N 2 59.162 130.360 120.428 1.00 68.29 ATOM 9 CB GLU N 2 57.082 132.864 120.531 1.00 67.91 ATOM 10 CG GLU N 2 55.630 133.312 120.368 1.00 67.91 ATOM 11 CD GLU N 2 54.637 132.199 120.646 1.00 67.91 ATOM 12 OE1 GLU N 2 55.058 131.163 121.210 1.00 67.91 ATOM 13 OE2 GLU N 2 53.441 132.365 120.320 1.00 67.91 ATOM 14 N PRO N 3 59.961 132.250 119.492 1.00 51.91 ATOM 15 CA PRO N 3 61.365 131.955 119.784 1.00 52.32 ATOM 16 C PRO N 3 61.535 131.725 121.271 1.00 52.83 ATOM 17 O PRO N 3 60.651 132.055 122.049 1.00 53.56 ATOM 18 CB PRO N 3 62.097 133.206 119.292 1.00 45.90 ATOM 19 CG PRO N 3 61.059 134.266 119.303 1.00 46.36 ATOM 20 CD PRO N 3 59.840 133.545 118.806 1.00 47.17 ATOM 21 N ALA N 4 62.662 131.162 121.676 1.00 69.29 ATOM 22 CA ALA N 4 62.867 130.894 123.090 1.00 69.53 ATOM 23 C ALA N 4 63.066 132.169 123.890 1.00 70.16 ATOM 24 O ALA N 4 62.425 132.371 124.930 1.00 70.52 ATOM 25 CB ALA N 4 64.057 129.982 123.278 1.00 43.81 ATOM 26 N ILE N 5 63.960 133.025 123.404 1.00 66.50 ATOM 27 CA ILE N 5 64.256 134.271 124.092 1.00 66.36 ATOM 28 C ILE N 5 62.944 134.895 124.535 1.00 66.49 ATOM 29 O ILE N 5 62.768 135.248 125.703 1.00 66.70 ATOM 30 CB ILE N 5 65.027 135.244 123.167 1.00 49.32 ATOM 31 CG1 ILE N 5 65.427 136.499 123.943 1.00 49.42 ATOM 32 CG2 ILE N 5 64.188 135.585 121.940 1.00 48.45 ATOM 33 CD1 ILE N 5 66.247 136.203 125.176 1.00 50.75 ATOM 34 N VAL N 6 62.016 134.991 123.591 1.00 51.58 ATOM 35 CA VAL N 6 60.709 135.555 123.854 1.00 51.80 ATOM 36 C VAL N 6 59.959 134.843 124.967 1.00 52.26 ATOM 37 O VAL N 6 59.440 135.480 125.878 1.00 51.89 ATOM 38 CB VAL N 6 59.856 135.520 122.604 1.00 38.85 ATOM 39 CG1 VAL N 6 58.379 135.663 122.981 1.00 38.36 ATOM 40 CG2 VAL N 6 60.300 136.638 121.664 1.00 38.97 ATOM 41 N GLN N 7 59.887 133.523 124.893 1.00 53.84 ATOM 42 CA GLN N 7 59.187 132.776 125.921 1.00 53.98 ATOM 43 C GLN N 7 59.888 132.903 127.268 1.00 53.83 ATOM 44 O GLN N 7 59.237 133.000 128.311 1.00 54.42 ATOM 45 CB GLN N 7 59.074 131.319 125.512 1.00 89.57 ATOM 46 CG GLN N 7 58.201 131.133 124.300 1.00 90.15 ATOM 47 CD GLN N 7 58.040 129.686 123.945 1.00 90.45 ATOM 48 OE1 GLN N 7 59.009 129.019 123.576 1.00 88.37 ATOM 49 NE2 GLN N 7 56.816 129.179 124.063 1.00 89.93 ATOM 50 N ILE N 8 61.214 132.899 127.256 1.00 58.32 ATOM 51 CA ILE N 8 61.942 133.045 128.501 1.00 57.50 ATOM 52 C ILE N 8 61.569 134.419 129.032 1.00 57.59 ATOM 53 O ILE N 8 61.274 134.580 130.217 1.00 57.62 ATOM 54 CB ILE N 8 63.451 132.966 128.268 1.00 63.17 ATOM 55 CG1 ILE N 8 63.809 131.555 127.798 1.00 64.07 ATOM 56 CG2 ILE N 8 64.203 133.330 129.545 1.00 61.30 ATOM 57 CD1 ILE N 8 65.265 131.387 127.410 1.00 63.94 ATOM 58 N GLY N 9 61.561 135.400 128.131 1.00 60.56 ATOM 59 CA GLY N 9 61.204 136.758 128.504 1.00 60.31 ATOM 60 C GLY N 9 59.882 136.791 129.253 1.00 60.87 ATOM 61 O GLY N 9 59.796 137.315 130.368 1.00 60.76 ATOM 62 N TRP N 10 58.840 136.235 128.646 1.00 47.38 ATOM 63 CA TRP N 10 57.551 136.204 129.304 1.00 46.96 ATOM 64 C TRP N 10 57.688 135.561 130.680 1.00 46.88 ATOM 65 O TRP N 10 57.267 136.133 131.695 1.00 47.17 ATOM 66 CB TRP N 10 56.540 135.435 128.461 1.00 59.67 ATOM 67 CG TRP N 10 56.047 136.244 127.329 1.00 59.29 ATOM 68 CD1 TRP N 10 56.446 136.168 126.028 1.00 59.58 ATOM 69 CD2 TRP N 10 55.127 137.335 127.404 1.00 58.62 ATOM 70 NE1 TRP N 10 55.835 137.152 125.285 1.00 58.30 ATOM 71 CE2 TRP N 10 55.021 137.883 126.107 1.00 58.61 ATOM 72 CE3 TRP N 10 54.385 137.907 128.445 1.00 59.29 ATOM 73 CZ2 TRP N 10 54.207 138.973 125.822 1.00 60.39 ATOM 74 CZ3 TRP N 10 53.574 138.992 128.164 1.00 59.67 ATOM 75 CH2 TRP N 10 53.491 139.516 126.860 1.00 59.75 ATOM 76 N ALA N 11 58.291 134.378 130.714 1.00 51.00 ATOM 77 CA ALA N 11 58.478 133.666 131.966 1.00 51.27 ATOM 78 C ALA N 11 59.137 134.565 133.007 1.00 51.59 ATOM 79 O ALA N 11 58.617 134.741 134.120 1.00 51.61 ATOM 80 CB ALA N 11 59.322 132.433 131.733 1.00 61.68 ATOM 81 N ALA N 12 60.281 135.137 132.640 1.00 39.49 ATOM 82 CA ALA N 12 61.016 136.018 133.548 1.00 39.83 ATOM 83 C ALA N 12 60.049 137.014 134.173 1.00 40.20 ATOM 84 O ALA N 12 59.960 137.150 135.396 1.00 39.90 ATOM 85 CB ALA N 12 62.110 136.755 132.785 1.00 43.81 ATOM 86 N THR N 13 59.318 137.699 133.304 1.00 46.37 ATOM 87 CA THR N 13 58.343 138.675 133.735 1.00 46.74 ATOM 88 C THR N 13 57.339 138.043 134.671 1.00 46.52 ATOM 89 O THR N 13 57.049 138.585 135.730 1.00 46.60 ATOM 90 CB THR N 13 57.622 139.260 132.549 1.00 44.35 ATOM 91 OG1 THR N 13 58.594 139.806 131.650 1.00 46.14 ATOM 92 CG2 THR N 13 56.675 140.352 132.994 1.00 43.58 ATOM 93 N CYS N 14 56.805 136.891 134.299 1.00 38.71 ATOM 94 CA CYS N 14 55.849 136.244 135.183 1.00 39.22 ATOM 95 C CYS N 14 56.464 135.961 136.546 1.00 39.83 ATOM 96 O CYS N 14 55.763 135.887 137.555 1.00 40.34 ATOM 97 CB CYS N 14 55.339 134.960 134.559 1.00 61.81 ATOM 98 SG CYS N 14 54.161 135.319 133.286 1.00 60.49 ATOM 99 N VAL N 15 57.782 135.813 136.580 1.00 48.55 ATOM 100 CA VAL N 15 58.446 135.548 137.843 1.00 48.21 ATOM 101 C VAL N 15 58.530 136.833 138.653 1.00 47.79 ATOM 102 O VAL N 15 58.190 136.847 139.836 1.00 47.62 ATOM 103 CB VAL N 15 59.854 134.957 137.617 1.00 49.74 ATOM 104 CG1 VAL N 15 60.567 134.760 138.955 1.00 50.33 ATOM 105 CG2 VAL N 15 59.735 133.631 136.879 1.00 48.80 ATOM 106 N MET N 16 58.967 137.914 138.017 1.00 48.54 ATOM 107 CA MET N 16 59.065 139.194 138.710 1.00 48.49 ATOM 108 C MET N 16 57.756 139.489 139.435 1.00 48.30 ATOM 109 O MET N 16 57.754 139.825 140.619 1.00 48.60 ATOM 110 CB MET N 16 59.391 140.317 137.727 1.00 57.05 ATOM 111 CG MET N 16 60.783 140.206 137.133 1.00 58.11 ATOM 112 SD MET N 16 62.037 140.046 138.419 1.00 61.16 ATOM 113 CE MET N 16 62.429 141.764 138.767 1.00 57.43 ATOM 114 N PHE N 17 56.641 139.355 138.727 1.00 47.54 ATOM 115 CA PHE N 17 55.343 139.585 139.342 1.00 46.63 ATOM 116 C PHE N 17 55.245 138.738 140.601 1.00 46.31 ATOM 117 O PHE N 17 55.149 139.254 141.709 1.00 46.23 ATOM 118 CB PHE N 17 54.222 139.172 138.398 1.00 52.93 ATOM 119 CG PHE N 17 52.861 139.178 139.037 1.00 53.19 ATOM 120 CD1 PHE N 17 52.118 140.351 139.121 1.00 51.98 ATOM 121 CD2 PHE N 17 52.319 138.007 139.558 1.00 53.32 ATOM 122 CE1 PHE N 17 50.844 140.357 139.717 1.00 49.40 ATOM 123 CE2 PHE N 17 51.051 138.002 140.155 1.00 52.88 ATOM 124 CZ PHE N 17 50.313 139.181 140.232 1.00 50.19 ATOM 125 N SER N 18 55.281 137.424 140.408 1.00 52.39 ATOM 126 CA SER N 18 55.177 136.459 141.495 1.00 51.99 ATOM 127 C SER N 18 56.137 136.636 142.658 1.00 52.06 ATOM 128 O SER N 18 55.713 136.815 143.801 1.00 51.46 ATOM 129 CB SER N 18 55.343 135.041 140.952 1.00 47.82 ATOM 130 OG SER N 18 54.224 134.655 140.188 1.00 47.20 ATOM 131 N PHE N 19 57.432 136.575 142.374 1.00 56.66 ATOM 132 CA PHE N 19 58.404 136.674 143.440 1.00 57.20 ATOM 133 C PHE N 19 58.310 138.001 144.167 1.00 57.60 ATOM 134 O PHE N 19 58.700 138.107 145.336 1.00 57.63 ATOM 135 CB PHE N 19 59.815 136.448 142.910 1.00 44.55 ATOM 136 CG PHE N 19 60.782 135.976 143.963 1.00 44.94 ATOM 137 CD1 PHE N 19 60.568 134.769 144.626 1.00 44.06 ATOM 138 CD2 PHE N 19 61.888 136.753 144.321 1.00 44.52 ATOM 139 CE1 PHE N 19 61.446 134.344 145.640 1.00 44.28 ATOM 140 CE2 PHE N 19 62.765 136.340 145.325 1.00 44.32 ATOM 141 CZ PHE N 19 62.544 135.134 145.987 1.00 44.09 ATOM 142 N SER N 20 57.788 139.018 143.490 1.00 44.42 ATOM 143 CA SER N 20 57.642 140.308 144.145 1.00 44.59 ATOM 144 C SER N 20 56.676 140.121 145.301 1.00 44.40 ATOM 145 O SER N 20 56.959 140.517 146.427 1.00 44.10 ATOM 146 CB SER N 20 57.122 141.365 143.174 1.00 40.22 ATOM 147 OG SER N 20 58.191 141.949 142.452 1.00 41.20 ATOM 148 N LEU N 21 55.540 139.498 145.033 1.00 44.26 ATOM 149 CA LEU N 21 54.590 139.264 146.103 1.00 44.39 ATOM 150 C LEU N 21 55.333 138.512 147.200 1.00 44.89 ATOM 151 O LEU N 21 55.238 138.857 148.377 1.00 45.05 ATOM 152 CB LEU N 21 53.408 138.434 145.603 1.00 53.85 ATOM 153 CG LEU N 21 52.590 139.073 144.483 1.00 52.67 ATOM 154 CD1 LEU N 21 51.542 138.103 143.993 1.00 54.27 ATOM 155 CD2 LEU N 21 51.939 140.343 144.993 1.00 49.32 ATOM 156 N SER N 22 56.091 137.494 146.798 1.00 64.88 ATOM 157 CA SER N 22 56.860 136.678 147.737 1.00 64.84 ATOM 158 C SER N 22 57.695 137.549 148.666 1.00 64.74 ATOM 159 O SER N 22 57.561 137.477 149.893 1.00 64.92 ATOM 160 CB SER N 22 57.791 135.724 146.979 1.00 64.34 ATOM 161 OG SER N 22 57.067 134.854 146.131 1.00 63.89 ATOM 162 N LEU N 23 58.556 138.368 148.069 1.00 51.99 ATOM 163 CA LEU N 23 59.418 139.243 148.840 1.00 51.83 ATOM 164 C LEU N 23 58.618 140.145 149.770 1.00 52.17 ATOM 165 O LEU N 23 59.017 140.386 150.908 1.00 52.80 ATOM 166 CB LEU N 23 60.297 140.065 147.905 1.00 44.03 ATOM 167 CG LEU N 23 61.309 139.194 147.157 1.00 44.11 ATOM 168 CD1 LEU N 23 62.332 140.047 146.426 1.00 44.39 ATOM 169 CD2 LEU N 23 62.019 138.324 148.158 1.00 44.23 ATOM 170 N VAL N 24 57.483 140.634 149.296 1.00 56.24 ATOM 171 CA VAL N 24 56.640 141.487 150.115 1.00 56.08 ATOM 172 C VAL N 24 56.073 140.697 151.296 1.00 56.52 ATOM 173 O VAL N 24 56.169 141.122 152.447 1.00 56.87 ATOM 174 CB VAL N 24 55.489 142.050 149.284 1.00 41.65 ATOM 175 CG1 VAL N 24 54.483 142.757 150.176 1.00 41.14 ATOM 176 CG2 VAL N 24 56.043 143.005 148.248 1.00 42.49 ATOM 177 N VAL N 25 55.476 139.545 151.008 1.00 36.48 ATOM 178 CA VAL N 25 54.906 138.704 152.057 1.00 36.27 ATOM 179 C VAL N 25 55.971 138.361 153.089 1.00 36.53 ATOM 180 O VAL N 25 55.703 138.317 154.290 1.00 36.62 ATOM 181 CB VAL N 25 54.334 137.383 151.472 1.00 35.20 ATOM 182 CG1 VAL N 25 53.850 136.459 152.604 1.00 34.73 ATOM 183 CG2 VAL N 25 53.183 137.698 150.536 1.00 35.61 ATOM 184 N TRP N 26 57.183 138.120 152.605 1.00 40.66 ATOM 185 CA TRP N 26 58.284 137.775 153.480 1.00 41.14 ATOM 186 C TRP N 26 58.688 138.996 154.289 1.00 41.65 ATOM 187 O TRP N 26 58.676 138.966 155.521 1.00 41.77 ATOM 188 CB TRP N 26 59.467 137.254 152.648 1.00 50.06 ATOM 189 CG TRP N 26 60.628 136.738 153.466 1.00 50.83 ATOM 190 CD1 TRP N 26 60.563 136.137 154.688 1.00 52.24 ATOM 191 CD2 TRP N 26 62.014 136.769 153.108 1.00 50.91 ATOM 192 NE1 TRP N 26 61.820 135.795 155.115 1.00 52.54 ATOM 193 CE2 TRP N 26 62.731 136.170 154.166 1.00 52.07 ATOM 194 CE3 TRP N 26 62.720 137.246 151.996 1.00 50.68 ATOM 195 CZ2 TRP N 26 64.121 136.033 154.150 1.00 51.89 ATOM 196 CZ3 TRP N 26 64.106 137.113 151.977 1.00 51.42 ATOM 197 CH2 TRP N 26 64.791 136.510 153.051 1.00 51.46 ATOM 198 N GLY N 27 59.025 140.071 153.584 1.00 50.25 ATOM 199 CA GLY N 27 59.439 141.301 154.232 1.00 50.73 ATOM 200 C GLY N 27 58.460 141.835 155.260 1.00 51.57 ATOM 201 O GLY N 27 58.871 142.407 156.270 1.00 52.25 ATOM 202 N ARG N 28 57.166 141.649 155.019 1.00 51.54 ATOM 203 CA ARG N 28 56.139 142.125 155.947 1.00 51.70 ATOM 204 C ARG N 28 55.593 141.044 156.893 1.00 52.11 ATOM 205 O ARG N 28 54.762 141.322 157.763 1.00 52.20 ATOM 206 CB ARG N 28 54.999 142.771 155.159 1.00 46.67 ATOM 207 CG ARG N 28 55.346 144.148 154.625 1.00 46.16 ATOM 208 CD ARG N 28 54.215 144.670 153.785 1.00 47.64 ATOM 209 NE ARG N 28 52.960 144.625 154.526 1.00 47.00 ATOM 210 CZ ARG N 28 52.575 145.553 155.391 1.00 49.67 ATOM 211 NH1 ARG N 28 53.344 146.613 155.626 1.00 49.64 ATOM 212 NH2 ARG N 28 51.425 145.407 156.033 1.00 52.12 ATOM 213 N SER N 29 56.070 139.816 156.719 1.00 59.64 ATOM 214 CA SER N 29 55.666 138.693 157.558 1.00 60.24 ATOM 215 C SER N 29 54.226 138.234 157.424 1.00 60.66 ATOM 216 O SER N 29 53.622 137.844 158.421 1.00 60.88 ATOM 217 CB SER N 29 55.931 139.005 159.030 1.00 48.18 ATOM 218 OG SER N 29 57.312 139.216 159.261 1.00 48.43 ATOM 219 N GLY N 30 53.669 138.277 156.213 1.00 49.62 ATOM 220 CA GLY N 30 52.303 137.808 156.038 1.00 50.16 ATOM 221 C GLY N 30 51.506 138.440 154.919 1.00 50.51 ATOM 222 O GLY N 30 52.078 139.041 154.013 1.00 50.04 ATOM 223 N LEU N 31 50.182 138.279 155.001 1.00 57.94 ATOM 224 CA LEU N 31 49.199 138.830 154.057 1.00 59.18 ATOM 225 C LEU N 31 48.820 137.851 152.943 1.00 59.50 ATOM 226 O LEU N 31 47.612 137.745 152.610 1.00 59.49 ATOM 227 CB LEU N 31 49.701 140.160 153.466 1.00117.26 ATOM 228 CG LEU N 31 50.141 141.196 154.511 1.00119.40 ATOM 229 CD1 LEU N 31 50.688 142.449 153.846 1.00117.94 ATOM 230 CD2 LEU N 31 48.969 141.516 155.413 1.00119.68 ATOM 231 OXT LEU N 31 49.746 137.202 152.410 1.00112.97 TER