HEADER PHOTOSYNTHESIS 31-DEC-69 7ZYV TITLE Cryo-EM structure of catalytically active Spinacia oleracea TITLE 2 cytochrome b6f in complex with endogenous plastoquinones at 2.13 A COMPND MOL_ID: 8; COMPND 2 MOLECULE: Cytochrome b6-f complex subunit 8; COMPND 3 CHAIN: H, P; EXPDTA ELECTRON MICROSCOPY DBREF 7ZYV P 1 29 UNP P61045 PETN_SPIOL 1 29 SEQRES 1 P 29 MET ASP ILE VAL SER LEU ALA TRP ALA ALA LEU MET VAL SEQRES 2 P 29 VAL PHE THR PHE SER LEU SER LEU VAL VAL TRP GLY ARG SEQRES 3 P 29 SER GLY LEU ATOM 1 N MET P 1 122.454 129.830 141.772 1.00 95.25 ATOM 2 CA MET P 1 122.485 130.856 142.808 1.00 95.25 ATOM 3 C MET P 1 123.395 132.013 142.410 1.00 95.25 ATOM 4 O MET P 1 124.407 131.816 141.738 1.00 95.25 ATOM 5 CB MET P 1 122.947 130.260 144.139 1.00 95.25 ATOM 6 CG MET P 1 124.264 129.508 144.056 1.00 95.25 ATOM 7 SD MET P 1 124.860 128.962 145.668 1.00 95.25 ATOM 8 CE MET P 1 123.345 129.000 146.622 1.00 95.25 ATOM 9 N ASP P 2 123.027 133.220 142.829 1.00 82.13 ATOM 10 CA ASP P 2 123.806 134.417 142.542 1.00 82.13 ATOM 11 C ASP P 2 124.804 134.642 143.672 1.00 82.13 ATOM 12 O ASP P 2 124.408 134.888 144.816 1.00 82.13 ATOM 13 CB ASP P 2 122.887 135.625 142.375 1.00 82.13 ATOM 14 CG ASP P 2 123.594 136.814 141.761 1.00 82.13 ATOM 15 OD1 ASP P 2 124.635 136.613 141.100 1.00 82.13 ATOM 16 OD2 ASP P 2 123.106 137.949 141.935 1.00 82.13 ATOM 17 N ILE P 3 126.094 134.561 143.350 1.00 76.11 ATOM 18 CA ILE P 3 127.126 134.612 144.382 1.00 76.11 ATOM 19 C ILE P 3 127.442 136.047 144.802 1.00 76.11 ATOM 20 O ILE P 3 127.866 136.285 145.942 1.00 76.11 ATOM 21 CB ILE P 3 128.381 133.875 143.889 1.00 76.11 ATOM 22 CG1 ILE P 3 128.608 134.150 142.402 1.00 76.11 ATOM 23 CG2 ILE P 3 128.246 132.383 144.129 1.00 76.11 ATOM 24 CD1 ILE P 3 130.013 133.867 141.934 1.00 76.11 ATOM 25 N VAL P 4 127.242 137.021 143.913 1.00 72.91 ATOM 26 CA VAL P 4 127.527 138.410 144.261 1.00 72.91 ATOM 27 C VAL P 4 126.590 138.886 145.367 1.00 72.91 ATOM 28 O VAL P 4 126.993 139.635 146.270 1.00 72.91 ATOM 29 CB VAL P 4 127.434 139.297 143.007 1.00 72.91 ATOM 30 CG1 VAL P 4 127.846 140.721 143.329 1.00 72.91 ATOM 31 CG2 VAL P 4 128.296 138.730 141.891 1.00 72.91 ATOM 32 N SER P 5 125.327 138.460 145.316 1.00 72.86 ATOM 33 CA SER P 5 124.395 138.775 146.392 1.00 72.86 ATOM 34 C SER P 5 124.884 138.206 147.717 1.00 72.86 ATOM 35 O SER P 5 124.809 138.870 148.760 1.00 72.86 ATOM 36 CB SER P 5 123.009 138.227 146.053 1.00 72.86 ATOM 37 OG SER P 5 122.246 139.175 145.332 1.00 72.86 ATOM 38 N LEU P 6 125.391 136.972 147.690 1.00 69.86 ATOM 39 CA LEU P 6 125.945 136.368 148.894 1.00 69.86 ATOM 40 C LEU P 6 127.103 137.193 149.435 1.00 69.86 ATOM 41 O LEU P 6 127.220 137.391 150.650 1.00 69.86 ATOM 42 CB LEU P 6 126.400 134.940 148.596 1.00 69.86 ATOM 43 CG LEU P 6 125.310 133.896 148.354 1.00 69.86 ATOM 44 CD1 LEU P 6 125.933 132.537 148.097 1.00 69.86 ATOM 45 CD2 LEU P 6 124.343 133.832 149.520 1.00 69.86 ATOM 46 N ALA P 7 127.977 137.676 148.549 1.00 67.04 ATOM 47 CA ALA P 7 129.106 138.484 149.001 1.00 67.04 ATOM 48 C ALA P 7 128.637 139.776 149.665 1.00 67.04 ATOM 49 O ALA P 7 129.160 140.172 150.719 1.00 67.04 ATOM 50 CB ALA P 7 130.033 138.786 147.826 1.00 67.04 ATOM 51 N TRP P 8 127.654 140.450 149.063 1.00 66.00 ATOM 52 CA TRP P 8 127.141 141.680 149.664 1.00 66.00 ATOM 53 C TRP P 8 126.552 141.410 151.046 1.00 66.00 ATOM 54 O TRP P 8 126.815 142.150 152.011 1.00 66.00 ATOM 55 CB TRP P 8 126.090 142.311 148.749 1.00 66.00 ATOM 56 CG TRP P 8 126.656 143.107 147.609 1.00 66.00 ATOM 57 CD1 TRP P 8 126.648 142.761 146.290 1.00 66.00 ATOM 58 CD2 TRP P 8 127.299 144.386 147.682 1.00 66.00 ATOM 59 NE1 TRP P 8 127.251 143.738 145.540 1.00 66.00 ATOM 60 CE2 TRP P 8 127.659 144.747 146.370 1.00 66.00 ATOM 61 CE3 TRP P 8 127.609 145.257 148.729 1.00 66.00 ATOM 62 CZ2 TRP P 8 128.312 145.940 146.078 1.00 66.00 ATOM 63 CZ3 TRP P 8 128.257 146.442 148.436 1.00 66.00 ATOM 64 CH2 TRP P 8 128.601 146.772 147.122 1.00 66.00 ATOM 65 N ALA P 9 125.762 140.339 151.163 1.00 64.81 ATOM 66 CA ALA P 9 125.174 139.996 152.452 1.00 64.81 ATOM 67 C ALA P 9 126.251 139.697 153.487 1.00 64.81 ATOM 68 O ALA P 9 126.138 140.103 154.651 1.00 64.81 ATOM 69 CB ALA P 9 124.230 138.806 152.296 1.00 64.81 ATOM 70 N ALA P 10 127.305 138.984 153.083 1.00 62.53 ATOM 71 CA ALA P 10 128.382 138.664 154.013 1.00 62.53 ATOM 72 C ALA P 10 129.077 139.925 154.512 1.00 62.53 ATOM 73 O ALA P 10 129.409 140.031 155.699 1.00 62.53 ATOM 74 CB ALA P 10 129.384 137.722 153.350 1.00 62.53 ATOM 75 N LEU P 11 129.316 140.889 153.621 1.00 63.27 ATOM 76 CA LEU P 11 129.940 142.139 154.054 1.00 63.27 ATOM 77 C LEU P 11 129.070 142.863 155.081 1.00 63.27 ATOM 78 O LEU P 11 129.565 143.335 156.122 1.00 63.27 ATOM 79 CB LEU P 11 130.208 143.030 152.842 1.00 63.27 ATOM 80 CG LEU P 11 130.691 144.461 153.082 1.00 63.27 ATOM 81 CD1 LEU P 11 132.069 144.468 153.716 1.00 63.27 ATOM 82 CD2 LEU P 11 130.697 145.243 151.783 1.00 63.27 ATOM 83 N MET P 12 127.763 142.944 154.814 1.00 65.79 ATOM 84 CA MET P 12 126.870 143.596 155.769 1.00 65.79 ATOM 85 C MET P 12 126.894 142.883 157.119 1.00 65.79 ATOM 86 O MET P 12 126.924 143.528 158.181 1.00 65.79 ATOM 87 CB MET P 12 125.451 143.643 155.205 1.00 65.79 ATOM 88 CG MET P 12 125.281 144.597 154.035 1.00 65.79 ATOM 89 SD MET P 12 123.557 144.893 153.604 1.00 65.79 ATOM 90 CE MET P 12 123.212 143.457 152.596 1.00 65.79 ATOM 91 N VAL P 13 126.890 141.548 157.096 1.00 62.93 ATOM 92 CA VAL P 13 126.918 140.778 158.335 1.00 62.93 ATOM 93 C VAL P 13 128.204 141.049 159.104 1.00 62.93 ATOM 94 O VAL P 13 128.199 141.141 160.337 1.00 62.93 ATOM 95 CB VAL P 13 126.747 139.278 158.037 1.00 62.93 ATOM 96 CG1 VAL P 13 127.217 138.449 159.217 1.00 62.93 ATOM 97 CG2 VAL P 13 125.301 138.965 157.702 1.00 62.93 ATOM 98 N VAL P 14 129.328 141.158 158.395 1.00 62.07 ATOM 99 CA VAL P 14 130.596 141.432 159.066 1.00 62.07 ATOM 100 C VAL P 14 130.515 142.750 159.823 1.00 62.07 ATOM 101 O VAL P 14 130.876 142.836 161.005 1.00 62.07 ATOM 102 CB VAL P 14 131.753 141.438 158.050 1.00 62.07 ATOM 103 CG1 VAL P 14 132.965 142.145 158.629 1.00 62.07 ATOM 104 CG2 VAL P 14 132.107 140.021 157.642 1.00 62.07 ATOM 105 N PHE P 15 130.019 143.794 159.156 1.00 63.92 ATOM 106 CA PHE P 15 129.880 145.091 159.822 1.00 63.92 ATOM 107 C PHE P 15 129.028 144.975 161.089 1.00 63.92 ATOM 108 O PHE P 15 129.449 145.370 162.196 1.00 63.92 ATOM 109 CB PHE P 15 129.275 146.092 158.834 1.00 63.92 ATOM 110 CG PHE P 15 129.024 147.457 159.406 1.00 63.92 ATOM 111 CD1 PHE P 15 130.050 148.376 159.522 1.00 63.92 ATOM 112 CD2 PHE P 15 127.752 147.832 159.800 1.00 63.92 ATOM 113 CE1 PHE P 15 129.814 149.635 160.036 1.00 63.92 ATOM 114 CE2 PHE P 15 127.513 149.088 160.316 1.00 63.92 ATOM 115 CZ PHE P 15 128.546 149.990 160.435 1.00 63.92 ATOM 116 N THR P 16 127.832 144.395 160.947 1.00 63.12 ATOM 117 CA THR P 16 126.902 144.337 162.072 1.00 63.12 ATOM 118 C THR P 16 127.487 143.550 163.241 1.00 63.12 ATOM 119 O THR P 16 127.418 143.984 164.400 1.00 63.12 ATOM 120 CB THR P 16 125.578 143.721 161.622 1.00 63.12 ATOM 121 OG1 THR P 16 124.965 144.568 160.644 1.00 63.12 ATOM 122 CG2 THR P 16 124.638 143.564 162.800 1.00 63.12 ATOM 123 N PHE P 17 128.070 142.384 162.961 1.00 63.55 ATOM 124 CA PHE P 17 128.529 141.544 164.057 1.00 63.55 ATOM 125 C PHE P 17 129.796 142.093 164.696 1.00 63.55 ATOM 126 O PHE P 17 130.040 141.842 165.880 1.00 63.55 ATOM 127 CB PHE P 17 128.741 140.108 163.588 1.00 63.55 ATOM 128 CG PHE P 17 128.526 139.093 164.671 1.00 63.55 ATOM 129 CD1 PHE P 17 127.312 139.023 165.331 1.00 63.55 ATOM 130 CD2 PHE P 17 129.533 138.223 165.042 1.00 63.55 ATOM 131 CE1 PHE P 17 127.104 138.101 166.333 1.00 63.55 ATOM 132 CE2 PHE P 17 129.329 137.297 166.045 1.00 63.55 ATOM 133 CZ PHE P 17 128.113 137.237 166.691 1.00 63.55 ATOM 134 N SER P 18 130.609 142.848 163.954 1.00 63.10 ATOM 135 CA SER P 18 131.712 143.544 164.606 1.00 63.10 ATOM 136 C SER P 18 131.185 144.525 165.644 1.00 63.10 ATOM 137 O SER P 18 131.677 144.568 166.784 1.00 63.10 ATOM 138 CB SER P 18 132.572 144.261 163.568 1.00 63.10 ATOM 139 OG SER P 18 133.527 145.097 164.191 1.00 63.10 ATOM 140 N LEU P 19 130.158 145.302 165.281 1.00 63.69 ATOM 141 CA LEU P 19 129.558 146.190 166.279 1.00 63.69 ATOM 142 C LEU P 19 129.044 145.398 167.481 1.00 63.69 ATOM 143 O LEU P 19 129.268 145.778 168.640 1.00 63.69 ATOM 144 CB LEU P 19 128.428 147.009 165.658 1.00 63.69 ATOM 145 CG LEU P 19 128.819 148.254 164.865 1.00 63.69 ATOM 146 CD1 LEU P 19 127.587 148.900 164.263 1.00 63.69 ATOM 147 CD2 LEU P 19 129.555 149.237 165.754 1.00 63.69 ATOM 148 N SER P 20 128.346 144.291 167.218 1.00 63.40 ATOM 149 CA SER P 20 127.756 143.513 168.306 1.00 63.40 ATOM 150 C SER P 20 128.822 142.971 169.253 1.00 63.40 ATOM 151 O SER P 20 128.662 143.024 170.479 1.00 63.40 ATOM 152 CB SER P 20 126.919 142.369 167.739 1.00 63.40 ATOM 153 OG SER P 20 125.786 142.861 167.050 1.00 63.40 ATOM 154 N LEU P 21 129.909 142.425 168.703 1.00 60.72 ATOM 155 CA LEU P 21 130.964 141.877 169.547 1.00 60.72 ATOM 156 C LEU P 21 131.637 142.965 170.369 1.00 60.72 ATOM 157 O LEU P 21 131.955 142.750 171.545 1.00 60.72 ATOM 158 CB LEU P 21 131.994 141.134 168.699 1.00 60.72 ATOM 159 CG LEU P 21 131.574 139.753 168.201 1.00 60.72 ATOM 160 CD1 LEU P 21 132.667 139.145 167.345 1.00 60.72 ATOM 161 CD2 LEU P 21 131.241 138.845 169.370 1.00 60.72 ATOM 162 N VAL P 22 131.868 144.140 169.778 1.00 61.14 ATOM 163 CA VAL P 22 132.468 145.212 170.567 1.00 61.14 ATOM 164 C VAL P 22 131.553 145.594 171.722 1.00 61.14 ATOM 165 O VAL P 22 132.014 145.827 172.845 1.00 61.14 ATOM 166 CB VAL P 22 132.803 146.428 169.686 1.00 61.14 ATOM 167 CG1 VAL P 22 133.104 147.630 170.560 1.00 61.14 ATOM 168 CG2 VAL P 22 133.989 146.120 168.797 1.00 61.14 ATOM 169 N VAL P 23 130.243 145.661 171.474 1.00 62.89 ATOM 170 CA VAL P 23 129.325 146.010 172.557 1.00 62.89 ATOM 171 C VAL P 23 129.348 144.944 173.648 1.00 62.89 ATOM 172 O VAL P 23 129.359 145.260 174.843 1.00 62.89 ATOM 173 CB VAL P 23 127.901 146.232 172.018 1.00 62.89 ATOM 174 CG1 VAL P 23 126.889 146.078 173.137 1.00 62.89 ATOM 175 CG2 VAL P 23 127.786 147.606 171.390 1.00 62.89 ATOM 176 N TRP P 24 129.353 143.668 173.257 1.00 65.62 ATOM 177 CA TRP P 24 129.358 142.596 174.251 1.00 65.62 ATOM 178 C TRP P 24 130.633 142.610 175.085 1.00 65.62 ATOM 179 O TRP P 24 130.591 142.367 176.296 1.00 65.62 ATOM 180 CB TRP P 24 129.183 141.241 173.566 1.00 65.62 ATOM 181 CG TRP P 24 129.092 140.083 174.520 1.00 65.62 ATOM 182 CD1 TRP P 24 128.509 140.079 175.752 1.00 65.62 ATOM 183 CD2 TRP P 24 129.588 138.755 174.309 1.00 65.62 ATOM 184 NE1 TRP P 24 128.617 138.836 176.324 1.00 65.62 ATOM 185 CE2 TRP P 24 129.275 138.005 175.458 1.00 65.62 ATOM 186 CE3 TRP P 24 130.269 138.129 173.261 1.00 65.62 ATOM 187 CZ2 TRP P 24 129.618 136.663 175.589 1.00 65.62 ATOM 188 CZ3 TRP P 24 130.609 136.796 173.393 1.00 65.62 ATOM 189 CH2 TRP P 24 130.283 136.078 174.548 1.00 65.62 ATOM 190 N GLY P 25 131.777 142.890 174.459 1.00 63.97 ATOM 191 CA GLY P 25 133.039 142.814 175.172 1.00 63.97 ATOM 192 C GLY P 25 133.173 143.812 176.305 1.00 63.97 ATOM 193 O GLY P 25 133.763 143.498 177.342 1.00 63.97 ATOM 194 N ARG P 26 132.637 145.017 176.133 1.00 65.40 ATOM 195 CA ARG P 26 132.797 146.087 177.109 1.00 65.40 ATOM 196 C ARG P 26 131.644 146.178 178.099 1.00 65.40 ATOM 197 O ARG P 26 131.619 147.105 178.913 1.00 65.40 ATOM 198 CB ARG P 26 132.974 147.428 176.391 1.00 65.40 ATOM 199 CG ARG P 26 134.211 147.490 175.510 1.00 65.40 ATOM 200 CD ARG P 26 134.500 148.903 175.038 1.00 65.40 ATOM 201 NE ARG P 26 135.305 149.645 176.001 1.00 65.40 ATOM 202 CZ ARG P 26 134.873 150.704 176.676 1.00 65.40 ATOM 203 NH1 ARG P 26 133.640 151.152 176.492 1.00 65.40 ATOM 204 NH2 ARG P 26 135.674 151.317 177.534 1.00 65.40 ATOM 205 N SER P 27 130.691 145.248 178.051 1.00 69.70 ATOM 206 CA SER P 27 129.606 145.175 179.026 1.00 69.70 ATOM 207 C SER P 27 128.644 146.354 178.919 1.00 69.70 ATOM 208 O SER P 27 128.099 146.808 179.927 1.00 69.70 ATOM 209 CB SER P 27 130.152 145.074 180.453 1.00 69.70 ATOM 210 OG SER P 27 130.396 143.727 180.812 1.00 69.70 ATOM 211 N GLY P 28 128.423 146.859 177.720 1.00 73.05 ATOM 212 CA GLY P 28 127.471 147.934 177.520 1.00 73.05 ATOM 213 C GLY P 28 127.907 148.844 176.394 1.00 73.05 ATOM 214 O GLY P 28 129.026 148.773 175.895 1.00 73.05 ATOM 215 N LEU P 29 126.987 149.717 175.998 1.00 77.70 ATOM 216 CA LEU P 29 127.260 150.684 174.944 1.00 77.70 ATOM 217 C LEU P 29 128.375 151.629 175.374 1.00 77.70 ATOM 218 O LEU P 29 128.382 152.132 176.497 1.00 77.70 ATOM 219 CB LEU P 29 125.997 151.474 174.595 1.00 77.70 ATOM 220 CG LEU P 29 125.986 152.246 173.274 1.00 77.70 ATOM 221 CD1 LEU P 29 124.573 152.675 172.929 1.00 77.70 ATOM 222 CD2 LEU P 29 126.903 153.454 173.334 1.00 77.70 ATOM 223 OXT LEU P 29 129.293 151.915 174.607 1.00 77.70 TER