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: 2; COMPND 2 MOLECULE: REACTION CENTER PROTEIN M CHAIN; COMPND 3 CHAIN: M, S; COMPND 4 MOL_ID: 3; COMPND 5 REACTION CENTER PROTEIN H CHAIN; COMPND 6 CHAIN: H, T; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 1DS8 S 1 307 UNP P02953 RCEM_RHOSH 1 307 DBREF 1DS8 T 1 260 UNP P11846 RCEH_RHOSH 1 260 SEQRES 1 T 25 ASP LEU ALA SER LEU ALA ILE TYR SER PHE TRP ILE PHE SEQRES 2 T 25 LEU ALA GLY LEU ILE TYR TYR LEU GLN THR GLU ASN ATOM 1 N1 LDA S2014 6.134 34.250 25.137 1.00 60.14 ATOM 2 O1 LDA S2014 6.114 35.467 25.188 1.00 60.28 ATOM 3 CM1 LDA S2014 4.896 33.735 25.716 1.00 60.37 ATOM 4 CM2 LDA S2014 5.876 33.836 23.766 1.00 60.09 ATOM 5 C1 LDA S2014 7.388 33.628 25.710 1.00 59.81 ATOM 6 C2 LDA S2014 7.337 32.097 26.055 1.00 59.24 ATOM 7 C3 LDA S2014 8.576 31.667 26.904 1.00 58.56 ATOM 8 C4 LDA S2014 9.485 30.955 25.900 1.00 58.07 ATOM 9 C5 LDA S2014 10.550 30.057 26.526 1.00 57.66 ATOM 10 C6 LDA S2014 11.333 29.464 25.305 1.00 57.27 ATOM 11 C7 LDA S2014 12.864 29.434 25.619 1.00 56.89 ATOM 12 C8 LDA S2014 13.665 28.838 24.413 1.00 56.54 ATOM 13 C9 LDA S2014 15.136 29.163 24.726 1.00 56.08 ATOM 14 C10 LDA S2014 16.071 27.980 24.433 1.00 55.67 ATOM 15 C11 LDA S2014 16.665 28.223 23.039 1.00 55.33 ATOM 16 C12 LDA S2014 18.115 28.692 23.148 1.00 54.91 TER ATOM 1 N ASP T 11 -1.742 41.223 10.436 1.00 52.78 ATOM 2 CA ASP T 11 -1.040 41.853 11.600 1.00 52.86 ATOM 3 C ASP T 11 0.461 41.568 11.527 1.00 52.34 ATOM 4 O ASP T 11 0.878 40.412 11.589 1.00 52.52 ATOM 5 CB ASP T 11 -1.601 41.297 12.913 1.00 53.36 ATOM 6 CG ASP T 11 -0.921 41.891 14.136 1.00 54.21 ATOM 7 OD1 ASP T 11 -0.876 41.202 15.173 1.00 54.76 ATOM 8 OD2 ASP T 11 -0.441 43.045 14.067 1.00 54.38 ATOM 9 N LEU T 12 1.267 42.619 11.411 1.00 51.66 ATOM 10 CA LEU T 12 2.713 42.454 11.314 1.00 51.24 ATOM 11 C LEU T 12 3.327 41.804 12.554 1.00 51.01 ATOM 12 O LEU T 12 4.156 40.902 12.437 1.00 50.87 ATOM 13 CB LEU T 12 3.378 43.805 11.064 1.00 51.52 ATOM 14 CG LEU T 12 4.551 43.816 10.078 1.00 51.86 ATOM 15 CD1 LEU T 12 5.214 45.187 10.122 1.00 52.20 ATOM 16 CD2 LEU T 12 5.566 42.737 10.428 1.00 52.35 ATOM 17 N ALA T 13 2.927 42.258 13.738 1.00 50.62 ATOM 18 CA ALA T 13 3.460 41.694 14.974 1.00 50.52 ATOM 19 C ALA T 13 3.210 40.187 15.033 1.00 50.51 ATOM 20 O ALA T 13 4.095 39.416 15.403 1.00 50.33 ATOM 21 CB ALA T 13 2.827 42.375 16.176 1.00 50.29 ATOM 22 N SER T 14 2.005 39.775 14.655 1.00 50.39 ATOM 23 CA SER T 14 1.636 38.361 14.669 1.00 50.32 ATOM 24 C SER T 14 2.468 37.525 13.711 1.00 50.06 ATOM 25 O SER T 14 2.858 36.403 14.033 1.00 49.97 ATOM 26 CB SER T 14 0.153 38.194 14.325 1.00 50.41 ATOM 27 OG SER T 14 -0.663 38.699 15.364 1.00 50.75 ATOM 28 N LEU T 15 2.726 38.062 12.525 1.00 49.87 ATOM 29 CA LEU T 15 3.518 37.335 11.545 1.00 49.82 ATOM 30 C LEU T 15 4.947 37.231 12.050 1.00 49.75 ATOM 31 O LEU T 15 5.606 36.202 11.869 1.00 50.11 ATOM 32 CB LEU T 15 3.503 38.051 10.193 1.00 50.02 ATOM 33 CG LEU T 15 4.433 37.435 9.143 1.00 50.20 ATOM 34 CD1 LEU T 15 4.010 35.999 8.870 1.00 50.54 ATOM 35 CD2 LEU T 15 4.399 38.261 7.865 1.00 50.44 ATOM 36 N ALA T 16 5.412 38.303 12.686 1.00 49.25 ATOM 37 CA ALA T 16 6.762 38.363 13.229 1.00 48.85 ATOM 38 C ALA T 16 6.979 37.284 14.282 1.00 48.71 ATOM 39 O ALA T 16 7.950 36.524 14.217 1.00 48.56 ATOM 40 CB ALA T 16 7.014 39.738 13.838 1.00 48.71 ATOM 41 N ILE T 17 6.069 37.215 15.248 1.00 48.49 ATOM 42 CA ILE T 17 6.184 36.237 16.319 1.00 48.61 ATOM 43 C ILE T 17 6.016 34.814 15.790 1.00 48.94 ATOM 44 O ILE T 17 6.689 33.883 16.251 1.00 48.98 ATOM 45 CB ILE T 17 5.142 36.507 17.441 1.00 48.49 ATOM 46 CG1 ILE T 17 5.502 35.702 18.695 1.00 48.48 ATOM 47 CG2 ILE T 17 3.747 36.140 16.973 1.00 48.13 ATOM 48 CD1 ILE T 17 6.824 36.105 19.326 1.00 48.15 ATOM 49 N TYR T 18 5.121 34.650 14.820 1.00 49.01 ATOM 50 CA TYR T 18 4.879 33.347 14.221 1.00 49.09 ATOM 51 C TYR T 18 6.153 32.907 13.520 1.00 48.62 ATOM 52 O TYR T 18 6.580 31.763 13.641 1.00 48.76 ATOM 53 CB TYR T 18 3.739 33.434 13.203 1.00 50.13 ATOM 54 CG TYR T 18 3.541 32.175 12.379 1.00 50.79 ATOM 55 CD1 TYR T 18 2.879 31.062 12.905 1.00 51.48 ATOM 56 CD2 TYR T 18 4.038 32.093 11.077 1.00 51.29 ATOM 57 CE1 TYR T 18 2.716 29.892 12.149 1.00 52.14 ATOM 58 CE2 TYR T 18 3.886 30.936 10.316 1.00 52.12 ATOM 59 CZ TYR T 18 3.226 29.840 10.854 1.00 52.53 ATOM 60 OH TYR T 18 3.081 28.701 10.088 1.00 53.51 ATOM 61 N SER T 19 6.757 33.830 12.784 1.00 48.24 ATOM 62 CA SER T 19 7.986 33.533 12.065 1.00 48.18 ATOM 63 C SER T 19 9.125 33.215 13.020 1.00 47.96 ATOM 64 O SER T 19 9.904 32.292 12.780 1.00 48.25 ATOM 65 CB SER T 19 8.376 34.712 11.178 1.00 48.10 ATOM 66 OG SER T 19 7.336 35.002 10.264 1.00 48.08 ATOM 67 N PHE T 20 9.224 33.973 14.108 1.00 47.83 ATOM 68 CA PHE T 20 10.291 33.734 15.070 1.00 47.50 ATOM 69 C PHE T 20 10.336 32.291 15.561 1.00 47.04 ATOM 70 O PHE T 20 11.399 31.672 15.570 1.00 46.93 ATOM 71 CB PHE T 20 10.167 34.646 16.285 1.00 47.78 ATOM 72 CG PHE T 20 11.198 34.361 17.330 1.00 47.73 ATOM 73 CD1 PHE T 20 12.520 34.756 17.141 1.00 47.70 ATOM 74 CD2 PHE T 20 10.872 33.609 18.453 1.00 47.97 ATOM 75 CE1 PHE T 20 13.509 34.402 18.050 1.00 47.86 ATOM 76 CE2 PHE T 20 11.854 33.245 19.375 1.00 48.44 ATOM 77 CZ PHE T 20 13.180 33.643 19.171 1.00 48.24 ATOM 78 N TRP T 21 9.189 31.762 15.979 1.00 46.53 ATOM 79 CA TRP T 21 9.132 30.392 16.471 1.00 46.34 ATOM 80 C TRP T 21 9.604 29.395 15.420 1.00 46.35 ATOM 81 O TRP T 21 10.252 28.399 15.743 1.00 46.09 ATOM 82 CB TRP T 21 7.718 30.044 16.928 1.00 46.41 ATOM 83 CG TRP T 21 7.325 30.738 18.204 1.00 46.86 ATOM 84 CD1 TRP T 21 6.333 31.665 18.363 1.00 46.90 ATOM 85 CD2 TRP T 21 7.919 30.561 19.500 1.00 46.80 ATOM 86 NE1 TRP T 21 6.272 32.074 19.675 1.00 47.08 ATOM 87 CE2 TRP T 21 7.234 31.413 20.394 1.00 46.78 ATOM 88 CE3 TRP T 21 8.964 29.764 19.991 1.00 46.68 ATOM 89 CZ2 TRP T 21 7.559 31.493 21.754 1.00 46.56 ATOM 90 CZ3 TRP T 21 9.286 29.844 21.346 1.00 46.56 ATOM 91 CH2 TRP T 21 8.583 30.703 22.209 1.00 46.47 ATOM 92 N ILE T 22 9.281 29.660 14.159 1.00 46.17 ATOM 93 CA ILE T 22 9.722 28.778 13.094 1.00 45.98 ATOM 94 C ILE T 22 11.248 28.818 13.152 1.00 46.01 ATOM 95 O ILE T 22 11.911 27.790 13.291 1.00 46.19 ATOM 96 CB ILE T 22 9.231 29.279 11.713 1.00 46.12 ATOM 97 CG1 ILE T 22 7.704 29.394 11.722 1.00 46.38 ATOM 98 CG2 ILE T 22 9.675 28.323 10.614 1.00 45.54 ATOM 99 CD1 ILE T 22 6.991 28.100 12.098 1.00 46.81 ATOM 100 N PHE T 23 11.796 30.023 13.068 1.00 45.85 ATOM 101 CA PHE T 23 13.236 30.220 13.122 1.00 45.70 ATOM 102 C PHE T 23 13.869 29.542 14.339 1.00 45.67 ATOM 103 O PHE T 23 14.870 28.840 14.212 1.00 45.93 ATOM 104 CB PHE T 23 13.549 31.716 13.159 1.00 45.70 ATOM 105 CG PHE T 23 14.970 32.028 13.539 1.00 45.52 ATOM 106 CD1 PHE T 23 16.006 31.842 12.626 1.00 44.94 ATOM 107 CD2 PHE T 23 15.278 32.472 14.829 1.00 45.04 ATOM 108 CE1 PHE T 23 17.326 32.092 12.991 1.00 44.67 ATOM 109 CE2 PHE T 23 16.598 32.722 15.202 1.00 44.73 ATOM 110 CZ PHE T 23 17.623 32.532 14.282 1.00 44.67 ATOM 111 N LEU T 24 13.286 29.752 15.517 1.00 45.59 ATOM 112 CA LEU T 24 13.828 29.170 16.744 1.00 45.46 ATOM 113 C LEU T 24 13.888 27.648 16.698 1.00 45.54 ATOM 114 O LEU T 24 14.858 27.039 17.156 1.00 45.94 ATOM 115 CB LEU T 24 13.012 29.618 17.961 1.00 45.15 ATOM 116 CG LEU T 24 13.599 29.198 19.317 1.00 45.29 ATOM 117 CD1 LEU T 24 15.015 29.756 19.455 1.00 45.35 ATOM 118 CD2 LEU T 24 12.720 29.698 20.457 1.00 45.05 ATOM 119 N ALA T 25 12.851 27.027 16.151 1.00 45.39 ATOM 120 CA ALA T 25 12.827 25.572 16.052 1.00 45.23 ATOM 121 C ALA T 25 13.936 25.130 15.095 1.00 45.09 ATOM 122 O ALA T 25 14.613 24.123 15.320 1.00 45.12 ATOM 123 CB ALA T 25 11.466 25.107 15.540 1.00 45.05 ATOM 124 N GLY T 26 14.121 25.903 14.031 1.00 44.64 ATOM 125 CA GLY T 26 15.149 25.584 13.063 1.00 44.80 ATOM 126 C GLY T 26 16.536 25.778 13.644 1.00 44.99 ATOM 127 O GLY T 26 17.454 25.014 13.348 1.00 44.72 ATOM 128 N LEU T 27 16.693 26.808 14.474 1.00 45.16 ATOM 129 CA LEU T 27 17.982 27.082 15.097 1.00 45.21 ATOM 130 C LEU T 27 18.329 25.971 16.078 1.00 45.21 ATOM 131 O LEU T 27 19.450 25.463 16.081 1.00 45.10 ATOM 132 CB LEU T 27 17.949 28.421 15.832 1.00 45.04 ATOM 133 CG LEU T 27 19.233 28.758 16.590 1.00 44.78 ATOM 134 CD1 LEU T 27 20.382 28.908 15.605 1.00 44.80 ATOM 135 CD2 LEU T 27 19.032 30.034 17.393 1.00 45.08 ATOM 136 N ILE T 28 17.362 25.598 16.910 1.00 45.39 ATOM 137 CA ILE T 28 17.574 24.541 17.888 1.00 45.97 ATOM 138 C ILE T 28 17.960 23.247 17.174 1.00 46.55 ATOM 139 O ILE T 28 18.827 22.499 17.637 1.00 46.90 ATOM 140 CB ILE T 28 16.306 24.314 18.731 1.00 45.93 ATOM 141 CG1 ILE T 28 16.011 25.578 19.547 1.00 46.13 ATOM 142 CG2 ILE T 28 16.487 23.109 19.646 1.00 45.64 ATOM 143 CD1 ILE T 28 14.805 25.469 20.454 1.00 46.40 ATOM 144 N TYR T 29 17.313 22.990 16.040 1.00 46.84 ATOM 145 CA TYR T 29 17.596 21.801 15.245 1.00 46.95 ATOM 146 C TYR T 29 19.058 21.851 14.815 1.00 46.73 ATOM 147 O TYR T 29 19.803 20.879 14.950 1.00 47.34 ATOM 148 CB TYR T 29 16.706 21.787 14.005 1.00 47.77 ATOM 149 CG TYR T 29 16.931 20.596 13.106 1.00 48.55 ATOM 150 CD1 TYR T 29 16.445 19.331 13.454 1.00 48.94 ATOM 151 CD2 TYR T 29 17.619 20.731 11.899 1.00 48.90 ATOM 152 CE1 TYR T 29 16.635 18.228 12.616 1.00 48.92 ATOM 153 CE2 TYR T 29 17.815 19.636 11.056 1.00 48.94 ATOM 154 CZ TYR T 29 17.318 18.392 11.422 1.00 49.06 ATOM 155 OH TYR T 29 17.487 17.316 10.582 1.00 49.72 ATOM 156 N TYR T 30 19.448 23.001 14.284 1.00 46.18 ATOM 157 CA TYR T 30 20.812 23.240 13.833 1.00 45.62 ATOM 158 C TYR T 30 21.825 23.079 14.972 1.00 45.26 ATOM 159 O TYR T 30 22.845 22.406 14.823 1.00 44.97 ATOM 160 CB TYR T 30 20.914 24.654 13.269 1.00 45.30 ATOM 161 CG TYR T 30 22.326 25.181 13.212 1.00 45.51 ATOM 162 CD1 TYR T 30 23.239 24.690 12.277 1.00 45.15 ATOM 163 CD2 TYR T 30 22.752 26.176 14.098 1.00 45.24 ATOM 164 CE1 TYR T 30 24.540 25.179 12.222 1.00 45.31 ATOM 165 CE2 TYR T 30 24.050 26.670 14.051 1.00 45.43 ATOM 166 CZ TYR T 30 24.940 26.169 13.109 1.00 45.51 ATOM 167 OH TYR T 30 26.225 26.662 13.048 1.00 45.90 ATOM 168 N LEU T 31 21.547 23.718 16.103 1.00 44.90 ATOM 169 CA LEU T 31 22.443 23.641 17.244 1.00 44.70 ATOM 170 C LEU T 31 22.643 22.190 17.685 1.00 45.08 ATOM 171 O LEU T 31 23.774 21.724 17.844 1.00 44.69 ATOM 172 CB LEU T 31 21.889 24.474 18.402 1.00 44.03 ATOM 173 CG LEU T 31 21.897 25.992 18.179 1.00 43.86 ATOM 174 CD1 LEU T 31 21.308 26.706 19.390 1.00 43.29 ATOM 175 CD2 LEU T 31 23.323 26.461 17.927 1.00 43.30 ATOM 176 N GLN T 32 21.542 21.471 17.861 1.00 45.37 ATOM 177 CA GLN T 32 21.609 20.084 18.291 1.00 46.05 ATOM 178 C GLN T 32 22.455 19.191 17.383 1.00 46.19 ATOM 179 O GLN T 32 23.344 18.476 17.858 1.00 46.25 ATOM 180 CB GLN T 32 20.202 19.505 18.402 1.00 46.10 ATOM 181 CG GLN T 32 20.168 18.098 18.968 1.00 46.91 ATOM 182 CD GLN T 32 20.914 17.974 20.293 1.00 47.53 ATOM 183 OE1 GLN T 32 20.919 18.899 21.106 1.00 47.63 ATOM 184 NE2 GLN T 32 21.530 16.815 20.521 1.00 47.84 ATOM 185 N THR T 33 22.178 19.222 16.082 1.00 46.06 ATOM 186 CA THR T 33 22.926 18.390 15.151 1.00 46.21 ATOM 187 C THR T 33 24.392 18.785 15.191 1.00 46.12 ATOM 188 O THR T 33 25.286 17.942 15.131 1.00 46.19 ATOM 189 CB THR T 33 22.395 18.534 13.702 1.00 46.19 ATOM 190 OG1 THR T 33 22.547 19.889 13.259 1.00 46.72 ATOM 191 CG2 THR T 33 20.927 18.145 13.640 1.00 46.02 ATOM 192 N GLU T 34 24.623 20.083 15.309 1.00 46.31 ATOM 193 CA GLU T 34 25.969 20.633 15.362 1.00 46.28 ATOM 194 C GLU T 34 26.709 20.082 16.585 1.00 46.11 ATOM 195 O GLU T 34 27.926 19.930 16.573 1.00 45.81 ATOM 196 CB GLU T 34 25.868 22.157 15.416 1.00 46.42 ATOM 197 CG GLU T 34 27.100 22.902 14.964 1.00 46.36 ATOM 198 CD GLU T 34 27.656 22.402 13.642 1.00 46.27 ATOM 199 OE1 GLU T 34 26.894 22.279 12.659 1.00 46.20 ATOM 200 OE2 GLU T 34 28.876 22.142 13.587 1.00 46.49 ATOM 201 N ASN T 35 25.960 19.753 17.628 1.00 46.39 ATOM 202 CA ASN T 35 26.552 19.216 18.848 1.00 46.97 ATOM 203 C ASN T 35 26.621 17.691 18.835 1.00 47.55 ATOM 204 O ASN T 35 26.727 17.048 19.887 1.00 47.41 ATOM 205 CB ASN T 35 25.777 19.710 20.074 1.00 46.21 ATOM 206 CG ASN T 35 26.201 21.105 20.503 1.00 46.42 ATOM 207 OD1 ASN T 35 27.135 21.267 21.293 1.00 46.28 ATOM 208 ND2 ASN T 35 25.529 22.122 19.970 1.00 45.88 TER