HEADER PHOTOSYNTHESIS 29-DEC-03 1RZZ TITLE PHOTOSYNTHETIC REACTION CENTER DOUBLE MUTANT FROM RHODOBACTER TITLE 2 SPHAEROIDES WITH ASP L213 REPLACED WITH ASN AND ARG M233 REPLACED TITLE 3 WITH CYS IN THE CHARGE-NEUTRAL DQAQB STATE (TETRAGONAL FORM) COMPND MOL_ID: 3; COMPND 2 MOLECULE: Reaction center protein H chain; COMPND 3 CHAIN: H, T; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 Reaction center protein M chain; COMPND 7 CHAIN: M, S; COMPND 8 MUTATION: YES; COMPND 9 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.40 ANGSTORMS DBREF 1RZZ H 1 260 UNP P11846 RCEH_RHOSH 1 260 DBREF 1RZZ 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 37.727 121.193 51.550 1.00 46.48 ATOM 2 CA ASP H 11 38.513 119.923 51.691 1.00 45.87 ATOM 3 C ASP H 11 40.007 120.141 51.447 1.00 43.20 ATOM 4 O ASP H 11 40.426 120.501 50.348 1.00 41.56 ATOM 5 CB ASP H 11 37.981 118.863 50.724 1.00 48.98 ATOM 6 CG ASP H 11 38.815 117.592 50.735 1.00 52.66 ATOM 7 OD1 ASP H 11 39.837 117.550 50.021 1.00 53.65 ATOM 8 OD2 ASP H 11 38.458 116.640 51.466 1.00 54.15 ATOM 9 N LEU H 12 40.804 119.903 52.481 1.00 40.35 ATOM 10 CA LEU H 12 42.244 120.090 52.406 1.00 40.45 ATOM 11 C LEU H 12 42.916 119.358 51.236 1.00 39.60 ATOM 12 O LEU H 12 43.812 119.898 50.596 1.00 39.02 ATOM 13 CB LEU H 12 42.881 119.673 53.736 1.00 41.60 ATOM 14 CG LEU H 12 44.353 120.024 53.977 1.00 44.49 ATOM 15 CD1 LEU H 12 45.241 119.062 53.216 1.00 46.03 ATOM 16 CD2 LEU H 12 44.627 121.473 53.559 1.00 43.69 ATOM 17 N ALA H 13 42.489 118.134 50.953 1.00 38.43 ATOM 18 CA ALA H 13 43.082 117.385 49.858 1.00 37.15 ATOM 19 C ALA H 13 42.781 118.056 48.517 1.00 37.17 ATOM 20 O ALA H 13 43.649 118.134 47.646 1.00 35.83 ATOM 21 CB ALA H 13 42.564 115.956 49.865 1.00 35.82 ATOM 22 N SER H 14 41.552 118.543 48.361 1.00 36.82 ATOM 23 CA SER H 14 41.126 119.208 47.132 1.00 38.04 ATOM 24 C SER H 14 41.907 120.499 46.920 1.00 38.11 ATOM 25 O SER H 14 42.203 120.882 45.789 1.00 38.53 ATOM 26 CB SER H 14 39.627 119.526 47.184 1.00 39.16 ATOM 27 OG SER H 14 38.859 118.345 47.344 1.00 44.36 ATOM 28 N LEU H 15 42.233 121.179 48.009 1.00 37.65 ATOM 29 CA LEU H 15 42.991 122.409 47.893 1.00 38.62 ATOM 30 C LEU H 15 44.422 122.070 47.504 1.00 37.97 ATOM 31 O LEU H 15 45.053 122.791 46.731 1.00 39.05 ATOM 32 CB LEU H 15 42.982 123.173 49.216 1.00 40.80 ATOM 33 CG LEU H 15 43.728 124.509 49.183 1.00 43.81 ATOM 34 CD1 LEU H 15 43.194 125.377 48.040 1.00 44.17 ATOM 35 CD2 LEU H 15 43.561 125.213 50.520 1.00 44.50 ATOM 36 N ALA H 16 44.924 120.960 48.034 1.00 36.51 ATOM 37 CA ALA H 16 46.285 120.523 47.747 1.00 35.98 ATOM 38 C ALA H 16 46.474 120.172 46.272 1.00 36.01 ATOM 39 O ALA H 16 47.443 120.593 45.648 1.00 37.52 ATOM 40 CB ALA H 16 46.643 119.320 48.615 1.00 33.89 ATOM 41 N ILE H 17 45.545 119.402 45.719 1.00 34.81 ATOM 42 CA ILE H 17 45.640 118.987 44.329 1.00 34.82 ATOM 43 C ILE H 17 45.447 120.179 43.415 1.00 35.85 ATOM 44 O ILE H 17 46.071 120.283 42.356 1.00 35.42 ATOM 45 CB ILE H 17 44.592 117.904 43.995 1.00 34.44 ATOM 46 CG1 ILE H 17 44.876 117.311 42.614 1.00 34.52 ATOM 47 CG2 ILE H 17 43.200 118.489 44.065 1.00 33.92 ATOM 48 CD1 ILE H 17 46.206 116.592 42.522 1.00 33.37 ATOM 49 N TYR H 18 44.577 121.087 43.835 1.00 36.82 ATOM 50 CA TYR H 18 44.315 122.281 43.057 1.00 36.20 ATOM 51 C TYR H 18 45.614 123.067 42.971 1.00 34.55 ATOM 52 O TYR H 18 46.046 123.453 41.889 1.00 33.65 ATOM 53 CB TYR H 18 43.226 123.118 43.736 1.00 39.03 ATOM 54 CG TYR H 18 43.021 124.473 43.109 1.00 41.80 ATOM 55 CD1 TYR H 18 42.434 124.604 41.847 1.00 43.45 ATOM 56 CD2 TYR H 18 43.463 125.626 43.758 1.00 42.92 ATOM 57 CE1 TYR H 18 42.300 125.859 41.241 1.00 45.88 ATOM 58 CE2 TYR H 18 43.336 126.882 43.169 1.00 46.93 ATOM 59 CZ TYR H 18 42.758 126.996 41.910 1.00 48.44 ATOM 60 OH TYR H 18 42.671 128.246 41.324 1.00 50.44 ATOM 61 N SER H 19 46.236 123.287 44.125 1.00 33.67 ATOM 62 CA SER H 19 47.490 124.027 44.205 1.00 34.36 ATOM 63 C SER H 19 48.634 123.382 43.430 1.00 34.38 ATOM 64 O SER H 19 49.398 124.073 42.748 1.00 33.58 ATOM 65 CB SER H 19 47.903 124.186 45.663 1.00 33.88 ATOM 66 OG SER H 19 46.906 124.901 46.362 1.00 36.08 ATOM 67 N PHE H 20 48.751 122.062 43.535 1.00 33.34 ATOM 68 CA PHE H 20 49.812 121.360 42.838 1.00 34.34 ATOM 69 C PHE H 20 49.842 121.680 41.344 1.00 34.15 ATOM 70 O PHE H 20 50.902 121.948 40.777 1.00 33.39 ATOM 71 CB PHE H 20 49.687 119.841 43.004 1.00 33.72 ATOM 72 CG PHE H 20 50.740 119.080 42.239 1.00 36.52 ATOM 73 CD1 PHE H 20 52.027 118.942 42.751 1.00 36.27 ATOM 74 CD2 PHE H 20 50.476 118.597 40.953 1.00 37.34 ATOM 75 CE1 PHE H 20 53.035 118.340 41.992 1.00 36.55 ATOM 76 CE2 PHE H 20 51.478 117.995 40.186 1.00 35.81 ATOM 77 CZ PHE H 20 52.757 117.868 40.706 1.00 36.38 ATOM 78 N TRP H 21 48.679 121.643 40.707 1.00 34.77 ATOM 79 CA TRP H 21 48.607 121.905 39.275 1.00 35.51 ATOM 80 C TRP H 21 49.048 123.317 38.918 1.00 35.38 ATOM 81 O TRP H 21 49.667 123.533 37.872 1.00 35.74 ATOM 82 CB TRP H 21 47.196 121.613 38.751 1.00 33.39 ATOM 83 CG TRP H 21 46.910 120.129 38.627 1.00 34.51 ATOM 84 CD1 TRP H 21 46.019 119.398 39.362 1.00 35.56 ATOM 85 CD2 TRP H 21 47.506 119.209 37.695 1.00 33.66 ATOM 86 NE1 TRP H 21 46.018 118.081 38.945 1.00 33.55 ATOM 87 CE2 TRP H 21 46.920 117.939 37.924 1.00 33.75 ATOM 88 CE3 TRP H 21 48.476 119.336 36.690 1.00 32.42 ATOM 89 CZ2 TRP H 21 47.271 116.801 37.182 1.00 34.32 ATOM 90 CZ3 TRP H 21 48.827 118.204 35.950 1.00 33.72 ATOM 91 CH2 TRP H 21 48.224 116.953 36.201 1.00 34.73 ATOM 92 N ILE H 22 48.735 124.275 39.783 1.00 35.32 ATOM 93 CA ILE H 22 49.144 125.652 39.552 1.00 34.76 ATOM 94 C ILE H 22 50.666 125.616 39.606 1.00 35.04 ATOM 95 O ILE H 22 51.351 126.088 38.694 1.00 35.53 ATOM 96 CB ILE H 22 48.606 126.601 40.665 1.00 36.55 ATOM 97 CG1 ILE H 22 47.073 126.625 40.631 1.00 36.12 ATOM 98 CG2 ILE H 22 49.164 128.017 40.488 1.00 31.66 ATOM 99 CD1 ILE H 22 46.496 127.099 39.323 1.00 38.38 ATOM 100 N PHE H 23 51.185 125.026 40.679 1.00 33.78 ATOM 101 CA PHE H 23 52.623 124.899 40.878 1.00 31.83 ATOM 102 C PHE H 23 53.312 124.228 39.697 1.00 30.82 ATOM 103 O PHE H 23 54.344 124.698 39.225 1.00 30.32 ATOM 104 CB PHE H 23 52.913 124.085 42.132 1.00 29.85 ATOM 105 CG PHE H 23 54.343 123.645 42.241 1.00 30.31 ATOM 106 CD1 PHE H 23 55.349 124.564 42.508 1.00 28.57 ATOM 107 CD2 PHE H 23 54.690 122.305 42.050 1.00 30.53 ATOM 108 CE1 PHE H 23 56.684 124.160 42.585 1.00 28.42 ATOM 109 CE2 PHE H 23 56.014 121.893 42.123 1.00 29.18 ATOM 110 CZ PHE H 23 57.015 122.826 42.393 1.00 28.91 ATOM 111 N LEU H 24 52.740 123.121 39.238 1.00 29.68 ATOM 112 CA LEU H 24 53.300 122.373 38.126 1.00 31.22 ATOM 113 C LEU H 24 53.338 123.193 36.837 1.00 31.50 ATOM 114 O LEU H 24 54.330 123.174 36.105 1.00 31.29 ATOM 115 CB LEU H 24 52.506 121.084 37.904 1.00 30.76 ATOM 116 CG LEU H 24 53.059 120.178 36.802 1.00 32.56 ATOM 117 CD1 LEU H 24 54.527 119.857 37.099 1.00 31.45 ATOM 118 CD2 LEU H 24 52.227 118.901 36.704 1.00 30.79 ATOM 119 N ALA H 25 52.260 123.912 36.556 1.00 30.44 ATOM 120 CA ALA H 25 52.216 124.733 35.354 1.00 29.65 ATOM 121 C ALA H 25 53.312 125.794 35.444 1.00 29.94 ATOM 122 O ALA H 25 53.941 126.152 34.441 1.00 30.45 ATOM 123 CB ALA H 25 50.856 125.397 35.226 1.00 27.47 ATOM 124 N GLY H 26 53.539 126.293 36.653 1.00 28.69 ATOM 125 CA GLY H 26 54.555 127.308 36.848 1.00 27.76 ATOM 126 C GLY H 26 55.957 126.745 36.720 1.00 29.03 ATOM 127 O GLY H 26 56.856 127.421 36.222 1.00 27.45 ATOM 128 N LEU H 27 56.144 125.504 37.169 1.00 29.67 ATOM 129 CA LEU H 27 57.447 124.851 37.099 1.00 29.39 ATOM 130 C LEU H 27 57.817 124.622 35.634 1.00 29.23 ATOM 131 O LEU H 27 58.920 124.944 35.196 1.00 28.30 ATOM 132 CB LEU H 27 57.403 123.510 37.842 1.00 30.29 ATOM 133 CG LEU H 27 58.704 122.708 37.908 1.00 29.71 ATOM 134 CD1 LEU H 27 59.736 123.476 38.710 1.00 29.66 ATOM 135 CD2 LEU H 27 58.442 121.358 38.545 1.00 31.92 ATOM 136 N ILE H 28 56.884 124.058 34.881 1.00 29.69 ATOM 137 CA ILE H 28 57.107 123.795 33.468 1.00 31.06 ATOM 138 C ILE H 28 57.477 125.096 32.770 1.00 32.15 ATOM 139 O ILE H 28 58.407 125.138 31.964 1.00 30.56 ATOM 140 CB ILE H 28 55.843 123.195 32.823 1.00 30.56 ATOM 141 CG1 ILE H 28 55.606 121.796 33.384 1.00 30.90 ATOM 142 CG2 ILE H 28 55.989 123.138 31.314 1.00 29.99 ATOM 143 CD1 ILE H 28 54.339 121.148 32.879 1.00 34.62 ATOM 144 N TYR H 29 56.749 126.159 33.096 1.00 32.98 ATOM 145 CA TYR H 29 57.003 127.468 32.507 1.00 33.94 ATOM 146 C TYR H 29 58.453 127.842 32.791 1.00 33.80 ATOM 147 O TYR H 29 59.205 128.220 31.894 1.00 33.77 ATOM 148 CB TYR H 29 56.065 128.503 33.126 1.00 36.67 ATOM 149 CG TYR H 29 56.300 129.910 32.646 1.00 41.33 ATOM 150 CD1 TYR H 29 55.829 130.337 31.401 1.00 43.81 ATOM 151 CD2 TYR H 29 57.006 130.821 33.430 1.00 42.96 ATOM 152 CE1 TYR H 29 56.056 131.642 30.950 1.00 43.55 ATOM 153 CE2 TYR H 29 57.241 132.125 32.989 1.00 43.74 ATOM 154 CZ TYR H 29 56.763 132.527 31.752 1.00 44.69 ATOM 155 OH TYR H 29 56.991 133.820 31.328 1.00 48.16 ATOM 156 N TYR H 30 58.832 127.728 34.059 1.00 32.44 ATOM 157 CA TYR H 30 60.183 128.033 34.502 1.00 30.30 ATOM 158 C TYR H 30 61.215 127.154 33.789 1.00 29.99 ATOM 159 O TYR H 30 62.220 127.652 33.276 1.00 29.68 ATOM 160 CB TYR H 30 60.278 127.823 36.014 1.00 28.90 ATOM 161 CG TYR H 30 61.677 127.547 36.502 1.00 27.12 ATOM 162 CD1 TYR H 30 62.640 128.549 36.518 1.00 26.53 ATOM 163 CD2 TYR H 30 62.048 126.268 36.917 1.00 27.22 ATOM 164 CE1 TYR H 30 63.948 128.286 36.938 1.00 27.89 ATOM 165 CE2 TYR H 30 63.350 125.992 37.336 1.00 27.29 ATOM 166 CZ TYR H 30 64.293 127.004 37.344 1.00 28.15 ATOM 167 OH TYR H 30 65.579 126.739 37.770 1.00 33.08 ATOM 168 N LEU H 31 60.963 125.848 33.770 1.00 28.62 ATOM 169 CA LEU H 31 61.869 124.908 33.127 1.00 28.67 ATOM 170 C LEU H 31 62.046 125.201 31.650 1.00 28.95 ATOM 171 O LEU H 31 63.167 125.212 31.154 1.00 29.56 ATOM 172 CB LEU H 31 61.378 123.467 33.306 1.00 26.84 ATOM 173 CG LEU H 31 61.500 122.903 34.728 1.00 27.85 ATOM 174 CD1 LEU H 31 60.896 121.511 34.791 1.00 25.36 ATOM 175 CD2 LEU H 31 62.973 122.866 35.138 1.00 25.17 ATOM 176 N GLN H 32 60.949 125.445 30.946 1.00 30.19 ATOM 177 CA GLN H 32 61.035 125.722 29.519 1.00 31.33 ATOM 178 C GLN H 32 61.867 126.966 29.223 1.00 31.56 ATOM 179 O GLN H 32 62.720 126.941 28.337 1.00 30.56 ATOM 180 CB GLN H 32 59.639 125.868 28.917 1.00 31.82 ATOM 181 CG GLN H 32 59.643 126.196 27.427 1.00 34.51 ATOM 182 CD GLN H 32 60.471 125.226 26.598 1.00 35.44 ATOM 183 OE1 GLN H 32 60.396 124.008 26.778 1.00 35.12 ATOM 184 NE2 GLN H 32 61.258 125.766 25.671 1.00 37.07 ATOM 185 N THR H 33 61.635 128.047 29.962 1.00 31.51 ATOM 186 CA THR H 33 62.404 129.266 29.731 1.00 33.14 ATOM 187 C THR H 33 63.894 129.028 29.998 1.00 33.95 ATOM 188 O THR H 33 64.742 129.505 29.243 1.00 35.53 ATOM 189 CB THR H 33 61.903 130.466 30.606 1.00 33.55 ATOM 190 OG1 THR H 33 62.046 130.159 31.999 1.00 35.66 ATOM 191 CG2 THR H 33 60.447 130.774 30.306 1.00 32.13 ATOM 192 N GLU H 34 64.222 128.289 31.057 1.00 31.70 ATOM 193 CA GLU H 34 65.627 128.019 31.350 1.00 31.47 ATOM 194 C GLU H 34 66.310 127.316 30.176 1.00 31.78 ATOM 195 O GLU H 34 67.501 127.504 29.932 1.00 33.67 ATOM 196 CB GLU H 34 65.771 127.164 32.619 1.00 30.58 ATOM 197 CG GLU H 34 65.683 127.965 33.914 1.00 29.75 ATOM 198 CD GLU H 34 66.796 128.992 34.025 1.00 31.53 ATOM 199 OE1 GLU H 34 66.516 130.132 34.455 1.00 31.50 ATOM 200 OE2 GLU H 34 67.952 128.659 33.680 1.00 31.34 ATOM 201 N ASN H 35 65.550 126.513 29.446 1.00 30.09 ATOM 202 CA ASN H 35 66.086 125.784 28.311 1.00 29.87 ATOM 203 C ASN H 35 66.088 126.598 27.021 1.00 30.89 ATOM 204 O ASN H 35 66.194 126.049 25.919 1.00 29.74 ATOM 205 CB ASN H 35 65.304 124.489 28.131 1.00 29.39 ATOM 206 CG ASN H 35 65.677 123.448 29.164 1.00 29.16 ATOM 207 OD1 ASN H 35 66.574 122.640 28.946 1.00 27.78 ATOM 208 ND2 ASN H 35 65.007 123.480 30.311 1.00 29.39 TER ATOM 1 N1 LDA M1012 59.222 126.157 20.491 1.00 65.49 ATOM 2 O1 LDA M1012 60.347 126.329 21.014 1.00 65.15 ATOM 3 CM1 LDA M1012 58.682 127.451 20.060 1.00 64.86 ATOM 4 CM2 LDA M1012 59.331 125.490 19.229 1.00 64.92 ATOM 5 C1 LDA M1012 58.146 125.629 21.397 1.00 64.84 ATOM 6 C2 LDA M1012 58.519 125.343 22.885 1.00 62.81 ATOM 7 C3 LDA M1012 57.227 124.812 23.598 1.00 62.42 ATOM 8 C4 LDA M1012 57.614 123.992 24.814 1.00 61.66 ATOM 9 C5 LDA M1012 56.496 123.070 25.255 1.00 60.78 ATOM 10 C6 LDA M1012 57.058 122.326 26.492 1.00 61.57 ATOM 11 C7 LDA M1012 55.920 121.510 27.122 1.00 62.63 ATOM 12 C8 LDA M1012 56.398 120.726 28.368 1.00 63.36 ATOM 13 C9 LDA M1012 56.059 119.285 28.010 1.00 62.51 ATOM 14 C10 LDA M1012 56.467 118.331 29.136 1.00 62.84 ATOM 15 C11 LDA M1012 55.223 118.130 29.994 1.00 63.11 ATOM 16 C12 LDA M1012 55.045 116.647 30.275 1.00 63.22 ATOM 17 N1 LDA M1014 45.493 112.377 37.687 1.00 60.02 ATOM 18 O1 LDA M1014 46.135 111.739 38.554 1.00 59.53 ATOM 19 CM1 LDA M1014 44.328 111.590 37.275 1.00 59.57 ATOM 20 CM2 LDA M1014 44.839 113.515 38.256 1.00 59.17 ATOM 21 C1 LDA M1014 46.211 112.633 36.383 1.00 59.54 ATOM 22 C2 LDA M1014 47.665 112.082 36.234 1.00 57.38 ATOM 23 C3 LDA M1014 48.230 112.477 34.816 1.00 56.63 ATOM 24 C4 LDA M1014 49.636 113.012 35.029 1.00 56.17 ATOM 25 C5 LDA M1014 50.296 113.649 33.813 1.00 55.33 ATOM 26 C6 LDA M1014 51.674 114.069 34.398 1.00 55.26 ATOM 27 C7 LDA M1014 52.672 114.493 33.311 1.00 55.76 ATOM 28 C8 LDA M1014 54.022 114.881 33.988 1.00 55.96 ATOM 29 C9 LDA M1014 54.074 116.399 33.872 1.00 55.34 ATOM 30 C10 LDA M1014 55.338 116.972 34.544 1.00 54.68 ATOM 31 C11 LDA M1014 56.514 116.849 33.589 1.00 51.85 ATOM 32 C12 LDA M1014 57.747 117.436 34.274 1.00 50.75 TER