HEADER PHOTOSYNTHESIS 07-JAN-00 1DS8 TITLE PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE TITLE 2 CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON TRANSFER INHIBITOR CD2+ COMPND MOL_ID: 3; COMPND 2 MOLECULE: REACTION CENTER PROTEIN H CHAIN; COMPND 3 CHAIN: H, T; COMPND 4 MOL_ID: 2; COMPND 5 REACTION CENTER PROTEIN M CHAIN; COMPND 6 CHAIN: M, S; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 1DS8 H 1 260 UNP P11846 RCEH_RHOSH 1 260 DBREF 1DS8 M 1 307 UNP P02953 RCEM_RHOSH 1 307 SEQRES 1 H 25 ASP LEU ALA SER LEU ALA ILE TYR SER PHE TRP ILE PHE SEQRES 2 H 25 LEU ALA GLY LEU ILE TYR TYR LEU GLN THR GLU ASN ATOM 1 N ASP H 11 37.749 121.769 51.438 1.00 52.09 ATOM 2 CA ASP H 11 38.464 120.450 51.378 1.00 52.28 ATOM 3 C ASP H 11 39.965 120.656 51.162 1.00 51.60 ATOM 4 O ASP H 11 40.381 121.168 50.127 1.00 51.28 ATOM 5 CB ASP H 11 37.905 119.598 50.236 1.00 53.11 ATOM 6 CG ASP H 11 38.609 118.255 50.109 1.00 53.98 ATOM 7 OD1 ASP H 11 38.667 117.726 48.978 1.00 54.25 ATOM 8 OD2 ASP H 11 39.094 117.721 51.134 1.00 54.38 ATOM 9 N LEU H 12 40.771 120.238 52.132 1.00 51.21 ATOM 10 CA LEU H 12 42.218 120.408 52.052 1.00 50.94 ATOM 11 C LEU H 12 42.845 119.678 50.865 1.00 50.65 ATOM 12 O LEU H 12 43.682 120.240 50.157 1.00 50.28 ATOM 13 CB LEU H 12 42.884 119.937 53.347 1.00 51.33 ATOM 14 CG LEU H 12 44.054 120.788 53.868 1.00 51.89 ATOM 15 CD1 LEU H 12 44.717 120.056 55.020 1.00 52.01 ATOM 16 CD2 LEU H 12 45.076 121.056 52.768 1.00 52.22 ATOM 17 N ALA H 13 42.449 118.429 50.649 1.00 50.20 ATOM 18 CA ALA H 13 42.990 117.657 49.537 1.00 49.86 ATOM 19 C ALA H 13 42.738 118.372 48.208 1.00 49.55 ATOM 20 O ALA H 13 43.625 118.449 47.358 1.00 49.02 ATOM 21 CB ALA H 13 42.373 116.264 49.515 1.00 49.53 ATOM 22 N SER H 14 41.529 118.900 48.042 1.00 49.37 ATOM 23 CA SER H 14 41.159 119.608 46.822 1.00 49.43 ATOM 24 C SER H 14 41.988 120.870 46.602 1.00 49.32 ATOM 25 O SER H 14 42.393 121.168 45.474 1.00 49.12 ATOM 26 CB SER H 14 39.672 119.977 46.852 1.00 49.57 ATOM 27 OG SER H 14 38.863 118.822 46.760 1.00 49.82 ATOM 28 N LEU H 15 42.230 121.620 47.672 1.00 48.83 ATOM 29 CA LEU H 15 43.019 122.836 47.553 1.00 48.94 ATOM 30 C LEU H 15 44.452 122.464 47.207 1.00 48.42 ATOM 31 O LEU H 15 45.105 123.140 46.418 1.00 48.41 ATOM 32 CB LEU H 15 42.997 123.633 48.859 1.00 49.09 ATOM 33 CG LEU H 15 43.911 124.861 48.864 1.00 49.57 ATOM 34 CD1 LEU H 15 43.475 125.833 47.776 1.00 49.75 ATOM 35 CD2 LEU H 15 43.872 125.533 50.223 1.00 49.99 ATOM 36 N ALA H 16 44.925 121.376 47.804 1.00 47.94 ATOM 37 CA ALA H 16 46.278 120.885 47.578 1.00 47.73 ATOM 38 C ALA H 16 46.504 120.527 46.114 1.00 47.69 ATOM 39 O ALA H 16 47.473 120.972 45.501 1.00 47.42 ATOM 40 CB ALA H 16 46.542 119.665 48.458 1.00 47.62 ATOM 41 N ILE H 17 45.601 119.727 45.556 1.00 47.47 ATOM 42 CA ILE H 17 45.724 119.310 44.172 1.00 47.80 ATOM 43 C ILE H 17 45.549 120.496 43.220 1.00 48.08 ATOM 44 O ILE H 17 46.222 120.586 42.190 1.00 47.91 ATOM 45 CB ILE H 17 44.697 118.201 43.829 1.00 47.72 ATOM 46 CG1 ILE H 17 45.064 117.544 42.499 1.00 47.52 ATOM 47 CG2 ILE H 17 43.298 118.778 43.768 1.00 47.86 ATOM 48 CD1 ILE H 17 46.384 116.804 42.533 1.00 47.56 ATOM 49 N TYR H 18 44.647 121.406 43.570 1.00 48.20 ATOM 50 CA TYR H 18 44.403 122.582 42.749 1.00 48.31 ATOM 51 C TYR H 18 45.678 123.413 42.724 1.00 47.86 ATOM 52 O TYR H 18 46.112 123.879 41.674 1.00 47.61 ATOM 53 CB TYR H 18 43.252 123.408 43.338 1.00 49.09 ATOM 54 CG TYR H 18 43.046 124.753 42.679 1.00 49.98 ATOM 55 CD1 TYR H 18 42.390 124.863 41.450 1.00 50.86 ATOM 56 CD2 TYR H 18 43.533 125.917 43.272 1.00 50.56 ATOM 57 CE1 TYR H 18 42.226 126.105 40.826 1.00 51.57 ATOM 58 CE2 TYR H 18 43.377 127.163 42.663 1.00 51.57 ATOM 59 CZ TYR H 18 42.725 127.253 41.441 1.00 52.14 ATOM 60 OH TYR H 18 42.577 128.488 40.838 1.00 53.00 ATOM 61 N SER H 19 46.275 123.594 43.896 1.00 47.47 ATOM 62 CA SER H 19 47.497 124.371 44.008 1.00 47.05 ATOM 63 C SER H 19 48.636 123.711 43.248 1.00 46.89 ATOM 64 O SER H 19 49.395 124.383 42.560 1.00 46.70 ATOM 65 CB SER H 19 47.881 124.533 45.474 1.00 46.83 ATOM 66 OG SER H 19 46.840 125.174 46.178 1.00 46.85 ATOM 67 N PHE H 20 48.751 122.393 43.363 1.00 46.80 ATOM 68 CA PHE H 20 49.818 121.690 42.671 1.00 46.85 ATOM 69 C PHE H 20 49.873 122.000 41.181 1.00 46.63 ATOM 70 O PHE H 20 50.939 122.303 40.652 1.00 46.65 ATOM 71 CB PHE H 20 49.701 120.178 42.835 1.00 47.07 ATOM 72 CG PHE H 20 50.739 119.428 42.058 1.00 47.33 ATOM 73 CD1 PHE H 20 52.059 119.393 42.501 1.00 47.43 ATOM 74 CD2 PHE H 20 50.425 118.848 40.829 1.00 47.35 ATOM 75 CE1 PHE H 20 53.051 118.800 41.731 1.00 47.52 ATOM 76 CE2 PHE H 20 51.409 118.250 40.049 1.00 47.37 ATOM 77 CZ PHE H 20 52.726 118.228 40.500 1.00 47.63 ATOM 78 N TRP H 21 48.732 121.900 40.504 1.00 46.19 ATOM 79 CA TRP H 21 48.678 122.175 39.075 1.00 45.87 ATOM 80 C TRP H 21 49.140 123.594 38.764 1.00 45.80 ATOM 81 O TRP H 21 49.789 123.830 37.747 1.00 45.86 ATOM 82 CB TRP H 21 47.261 121.950 38.536 1.00 45.83 ATOM 83 CG TRP H 21 46.877 120.503 38.479 1.00 46.05 ATOM 84 CD1 TRP H 21 45.894 119.889 39.192 1.00 46.04 ATOM 85 CD2 TRP H 21 47.479 119.482 37.665 1.00 46.06 ATOM 86 NE1 TRP H 21 45.844 118.550 38.877 1.00 46.31 ATOM 87 CE2 TRP H 21 46.805 118.274 37.944 1.00 45.92 ATOM 88 CE3 TRP H 21 48.523 119.474 36.728 1.00 45.74 ATOM 89 CZ2 TRP H 21 47.137 117.067 37.320 1.00 46.06 ATOM 90 CZ3 TRP H 21 48.854 118.274 36.108 1.00 46.00 ATOM 91 CH2 TRP H 21 48.161 117.086 36.407 1.00 45.95 ATOM 92 N ILE H 22 48.804 124.542 39.632 1.00 45.30 ATOM 93 CA ILE H 22 49.235 125.913 39.414 1.00 45.06 ATOM 94 C ILE H 22 50.758 125.853 39.418 1.00 44.87 ATOM 95 O ILE H 22 51.416 126.250 38.454 1.00 44.61 ATOM 96 CB ILE H 22 48.731 126.850 40.543 1.00 45.22 ATOM 97 CG1 ILE H 22 47.200 126.787 40.624 1.00 45.49 ATOM 98 CG2 ILE H 22 49.171 128.278 40.289 1.00 44.28 ATOM 99 CD1 ILE H 22 46.494 127.123 39.322 1.00 45.73 ATOM 100 N PHE H 23 51.308 125.327 40.507 1.00 44.67 ATOM 101 CA PHE H 23 52.747 125.175 40.654 1.00 44.47 ATOM 102 C PHE H 23 53.390 124.477 39.451 1.00 44.24 ATOM 103 O PHE H 23 54.387 124.953 38.920 1.00 44.14 ATOM 104 CB PHE H 23 53.060 124.375 41.918 1.00 44.39 ATOM 105 CG PHE H 23 54.486 123.903 42.000 1.00 43.99 ATOM 106 CD1 PHE H 23 55.510 124.786 42.311 1.00 44.08 ATOM 107 CD2 PHE H 23 54.806 122.579 41.726 1.00 43.92 ATOM 108 CE1 PHE H 23 56.835 124.359 42.347 1.00 43.96 ATOM 109 CE2 PHE H 23 56.120 122.144 41.758 1.00 44.03 ATOM 110 CZ PHE H 23 57.139 123.039 42.070 1.00 43.98 ATOM 111 N LEU H 24 52.817 123.354 39.027 1.00 44.08 ATOM 112 CA LEU H 24 53.363 122.600 37.906 1.00 44.44 ATOM 113 C LEU H 24 53.421 123.414 36.611 1.00 44.59 ATOM 114 O LEU H 24 54.390 123.330 35.849 1.00 44.38 ATOM 115 CB LEU H 24 52.557 121.315 37.676 1.00 44.56 ATOM 116 CG LEU H 24 53.151 120.379 36.612 1.00 44.91 ATOM 117 CD1 LEU H 24 54.565 119.985 37.024 1.00 44.97 ATOM 118 CD2 LEU H 24 52.286 119.144 36.438 1.00 44.92 ATOM 119 N ALA H 25 52.386 124.203 36.360 1.00 44.58 ATOM 120 CA ALA H 25 52.359 125.025 35.161 1.00 44.64 ATOM 121 C ALA H 25 53.459 126.079 35.268 1.00 44.66 ATOM 122 O ALA H 25 54.127 126.413 34.283 1.00 44.69 ATOM 123 CB ALA H 25 51.003 125.695 35.017 1.00 44.36 ATOM 124 N GLY H 26 53.640 126.598 36.476 1.00 44.46 ATOM 125 CA GLY H 26 54.658 127.604 36.694 1.00 44.42 ATOM 126 C GLY H 26 56.050 127.014 36.569 1.00 44.75 ATOM 127 O GLY H 26 56.963 127.666 36.061 1.00 44.49 ATOM 128 N LEU H 27 56.214 125.775 37.030 1.00 44.60 ATOM 129 CA LEU H 27 57.507 125.111 36.961 1.00 44.52 ATOM 130 C LEU H 27 57.864 124.839 35.504 1.00 44.39 ATOM 131 O LEU H 27 58.978 125.116 35.071 1.00 44.23 ATOM 132 CB LEU H 27 57.481 123.793 37.744 1.00 44.22 ATOM 133 CG LEU H 27 58.766 122.967 37.661 1.00 44.03 ATOM 134 CD1 LEU H 27 59.918 123.738 38.295 1.00 44.07 ATOM 135 CD2 LEU H 27 58.568 121.633 38.350 1.00 43.94 ATOM 136 N ILE H 28 56.912 124.294 34.755 1.00 44.56 ATOM 137 CA ILE H 28 57.130 123.996 33.349 1.00 44.85 ATOM 138 C ILE H 28 57.510 125.276 32.608 1.00 45.15 ATOM 139 O ILE H 28 58.389 125.266 31.749 1.00 44.98 ATOM 140 CB ILE H 28 55.868 123.381 32.721 1.00 44.80 ATOM 141 CG1 ILE H 28 55.569 122.043 33.393 1.00 45.20 ATOM 142 CG2 ILE H 28 56.057 123.184 31.233 1.00 44.58 ATOM 143 CD1 ILE H 28 54.373 121.309 32.812 1.00 45.65 ATOM 144 N TYR H 29 56.850 126.377 32.958 1.00 45.28 ATOM 145 CA TYR H 29 57.125 127.668 32.346 1.00 45.58 ATOM 146 C TYR H 29 58.582 128.026 32.610 1.00 45.26 ATOM 147 O TYR H 29 59.322 128.404 31.701 1.00 45.30 ATOM 148 CB TYR H 29 56.222 128.736 32.957 1.00 46.57 ATOM 149 CG TYR H 29 56.439 130.118 32.394 1.00 47.47 ATOM 150 CD1 TYR H 29 55.959 130.461 31.130 1.00 47.99 ATOM 151 CD2 TYR H 29 57.115 131.092 33.129 1.00 47.95 ATOM 152 CE1 TYR H 29 56.142 131.745 30.615 1.00 48.33 ATOM 153 CE2 TYR H 29 57.303 132.376 32.624 1.00 48.20 ATOM 154 CZ TYR H 29 56.811 132.696 31.370 1.00 48.36 ATOM 155 OH TYR H 29 56.966 133.975 30.886 1.00 48.95 ATOM 156 N TYR H 30 58.969 127.911 33.876 1.00 44.77 ATOM 157 CA TYR H 30 60.329 128.182 34.322 1.00 44.34 ATOM 158 C TYR H 30 61.342 127.289 33.605 1.00 43.87 ATOM 159 O TYR H 30 62.338 127.771 33.085 1.00 43.66 ATOM 160 CB TYR H 30 60.426 127.948 35.827 1.00 44.37 ATOM 161 CG TYR H 30 61.830 127.736 36.324 1.00 44.41 ATOM 162 CD1 TYR H 30 62.736 128.791 36.380 1.00 44.22 ATOM 163 CD2 TYR H 30 62.262 126.471 36.723 1.00 44.69 ATOM 164 CE1 TYR H 30 64.042 128.595 36.825 1.00 44.34 ATOM 165 CE2 TYR H 30 63.569 126.260 37.167 1.00 44.71 ATOM 166 CZ TYR H 30 64.453 127.329 37.216 1.00 44.75 ATOM 167 OH TYR H 30 65.743 127.134 37.661 1.00 44.91 ATOM 168 N LEU H 31 61.084 125.987 33.589 1.00 43.57 ATOM 169 CA LEU H 31 61.978 125.052 32.929 1.00 43.73 ATOM 170 C LEU H 31 62.188 125.403 31.459 1.00 43.97 ATOM 171 O LEU H 31 63.324 125.477 30.986 1.00 43.66 ATOM 172 CB LEU H 31 61.437 123.625 33.048 1.00 43.05 ATOM 173 CG LEU H 31 61.447 123.042 34.460 1.00 42.88 ATOM 174 CD1 LEU H 31 60.857 121.638 34.449 1.00 42.44 ATOM 175 CD2 LEU H 31 62.875 123.027 34.986 1.00 42.32 ATOM 176 N GLN H 32 61.092 125.635 30.748 1.00 44.31 ATOM 177 CA GLN H 32 61.161 125.961 29.331 1.00 44.99 ATOM 178 C GLN H 32 61.994 127.205 29.027 1.00 45.07 ATOM 179 O GLN H 32 62.885 127.165 28.175 1.00 44.89 ATOM 180 CB GLN H 32 59.753 126.138 28.763 1.00 45.35 ATOM 181 CG GLN H 32 59.723 126.372 27.262 1.00 45.82 ATOM 182 CD GLN H 32 60.486 125.305 26.487 1.00 46.54 ATOM 183 OE1 GLN H 32 60.512 124.136 26.882 1.00 46.11 ATOM 184 NE2 GLN H 32 61.096 125.703 25.366 1.00 46.57 ATOM 185 N THR H 33 61.706 128.305 29.715 1.00 44.79 ATOM 186 CA THR H 33 62.449 129.532 29.476 1.00 44.95 ATOM 187 C THR H 33 63.916 129.307 29.806 1.00 45.07 ATOM 188 O THR H 33 64.810 129.806 29.123 1.00 44.95 ATOM 189 CB THR H 33 61.910 130.712 30.332 1.00 44.94 ATOM 190 OG1 THR H 33 62.067 130.418 31.724 1.00 45.22 ATOM 191 CG2 THR H 33 60.437 130.959 30.032 1.00 45.07 ATOM 192 N GLU H 34 64.150 128.535 30.856 1.00 44.94 ATOM 193 CA GLU H 34 65.491 128.224 31.306 1.00 45.16 ATOM 194 C GLU H 34 66.248 127.460 30.212 1.00 45.13 ATOM 195 O GLU H 34 67.465 127.557 30.099 1.00 44.64 ATOM 196 CB GLU H 34 65.380 127.403 32.592 1.00 45.48 ATOM 197 CG GLU H 34 66.590 127.420 33.487 1.00 45.50 ATOM 198 CD GLU H 34 67.155 128.801 33.718 1.00 45.03 ATOM 199 OE1 GLU H 34 66.401 129.720 34.110 1.00 44.41 ATOM 200 OE2 GLU H 34 68.374 128.949 33.509 1.00 45.23 ATOM 201 N ASN H 35 65.512 126.717 29.393 1.00 45.32 ATOM 202 CA ASN H 35 66.112 125.951 28.311 1.00 45.44 ATOM 203 C ASN H 35 66.183 126.734 27.005 1.00 45.87 ATOM 204 O ASN H 35 66.307 126.161 25.927 1.00 45.40 ATOM 205 CB ASN H 35 65.339 124.647 28.115 1.00 45.00 ATOM 206 CG ASN H 35 65.765 123.573 29.100 1.00 44.73 ATOM 207 OD1 ASN H 35 66.695 122.809 28.843 1.00 43.98 ATOM 208 ND2 ASN H 35 65.098 123.525 30.243 1.00 44.56 TER ATOM 1 N1 LDA M1013 45.693 112.621 37.804 1.00 55.38 ATOM 2 O1 LDA M1013 44.892 112.030 37.080 1.00 55.59 ATOM 3 CM1 LDA M1013 45.013 113.700 38.509 1.00 54.82 ATOM 4 CM2 LDA M1013 45.982 111.813 38.975 1.00 55.23 ATOM 5 C1 LDA M1013 46.935 113.121 37.130 1.00 54.60 ATOM 6 C2 LDA M1013 47.856 112.022 36.489 1.00 53.48 ATOM 7 C3 LDA M1013 48.083 112.257 34.954 1.00 52.80 ATOM 8 C4 LDA M1013 49.083 113.421 34.862 1.00 51.90 ATOM 9 C5 LDA M1013 50.065 113.355 33.694 1.00 51.09 ATOM 10 C6 LDA M1013 50.910 114.654 33.869 1.00 50.63 ATOM 11 C7 LDA M1013 52.415 114.421 33.525 1.00 49.98 ATOM 12 C8 LDA M1013 53.169 115.770 33.731 1.00 49.88 ATOM 13 C9 LDA M1013 54.673 115.454 33.668 1.00 49.19 ATOM 14 C10 LDA M1013 55.465 116.746 33.402 1.00 48.56 ATOM 15 C11 LDA M1013 56.855 116.532 33.992 1.00 48.28 ATOM 16 C12 LDA M1013 57.495 117.875 34.334 1.00 47.49 TER