HEADER PHOTOSYNTHESIS 31-DEC-69 1RVJ TITLE PHOTOSYNTHETIC REACTION CENTER DOUBLE MUTANT FROM RHODOBACTER TITLE 2 SPHAEROIDES WITH ASP L213 REPLACED WITH ASN AND ARG H177 REPLACED COMPND MOL_ID: 3; COMPND 2 MOLECULE: Reaction center protein H chain; COMPND 3 CHAIN: H; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.75 ANGSTORMS DBREF 1RVJ H 1 260 UNP P11846 RCEH_RHOSH 1 260 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 14.973 37.736 50.153 1.00 69.87 ATOM 2 CA ASP H 11 14.253 37.793 51.463 1.00 68.94 ATOM 3 C ASP H 11 12.737 37.900 51.305 1.00 68.36 ATOM 4 O ASP H 11 12.233 38.703 50.521 1.00 67.20 ATOM 5 CB ASP H 11 14.742 38.985 52.278 1.00 70.72 ATOM 6 CG ASP H 11 13.963 39.161 53.567 1.00 72.93 ATOM 7 OD1 ASP H 11 13.837 40.315 54.022 1.00 73.56 ATOM 8 OD2 ASP H 11 13.483 38.148 54.126 1.00 73.56 ATOM 9 N LEU H 12 12.019 37.099 52.086 1.00 66.99 ATOM 10 CA LEU H 12 10.565 37.077 52.047 1.00 66.83 ATOM 11 C LEU H 12 9.946 38.433 52.388 1.00 67.40 ATOM 12 O LEU H 12 9.035 38.895 51.696 1.00 68.44 ATOM 13 CB LEU H 12 10.042 36.010 53.010 1.00 67.21 ATOM 14 CG LEU H 12 8.718 35.316 52.684 1.00 68.63 ATOM 15 CD1 LEU H 12 7.553 36.257 52.930 1.00 70.58 ATOM 16 CD2 LEU H 12 8.744 34.824 51.236 1.00 68.33 ATOM 17 N ALA H 13 10.426 39.070 53.451 1.00 66.69 ATOM 18 CA ALA H 13 9.890 40.371 53.834 1.00 65.89 ATOM 19 C ALA H 13 10.156 41.370 52.719 1.00 65.52 ATOM 20 O ALA H 13 9.307 42.198 52.393 1.00 64.36 ATOM 21 CB ALA H 13 10.527 40.843 55.133 1.00 65.96 ATOM 22 N SER H 14 11.339 41.283 52.128 1.00 66.24 ATOM 23 CA SER H 14 11.709 42.184 51.044 1.00 67.29 ATOM 24 C SER H 14 10.816 41.961 49.831 1.00 66.21 ATOM 25 O SER H 14 10.513 42.900 49.101 1.00 66.31 ATOM 26 CB SER H 14 13.172 41.968 50.660 1.00 68.27 ATOM 27 OG SER H 14 14.003 42.162 51.790 1.00 71.03 ATOM 28 N LEU H 15 10.401 40.714 49.620 1.00 65.41 ATOM 29 CA LEU H 15 9.531 40.386 48.498 1.00 64.23 ATOM 30 C LEU H 15 8.145 40.986 48.746 1.00 62.92 ATOM 31 O LEU H 15 7.553 41.612 47.866 1.00 62.07 ATOM 32 CB LEU H 15 9.410 38.863 48.334 1.00 64.60 ATOM 33 CG LEU H 15 8.410 38.416 47.255 1.00 66.33 ATOM 34 CD1 LEU H 15 8.876 38.933 45.900 1.00 64.81 ATOM 35 CD2 LEU H 15 8.278 36.899 47.233 1.00 65.73 ATOM 36 N ALA H 16 7.647 40.796 49.965 1.00 60.73 ATOM 37 CA ALA H 16 6.342 41.294 50.354 1.00 58.66 ATOM 38 C ALA H 16 6.222 42.811 50.259 1.00 58.70 ATOM 39 O ALA H 16 5.245 43.328 49.721 1.00 59.33 ATOM 40 CB ALA H 16 6.016 40.835 51.764 1.00 57.18 ATOM 41 N ILE H 17 7.207 43.534 50.778 1.00 57.77 ATOM 42 CA ILE H 17 7.140 44.988 50.741 1.00 57.51 ATOM 43 C ILE H 17 7.258 45.528 49.319 1.00 58.37 ATOM 44 O ILE H 17 6.576 46.488 48.944 1.00 57.58 ATOM 45 CB ILE H 17 8.234 45.628 51.638 1.00 55.88 ATOM 46 CG1 ILE H 17 7.948 47.117 51.809 1.00 54.37 ATOM 47 CG2 ILE H 17 9.606 45.434 51.024 1.00 54.67 ATOM 48 CD1 ILE H 17 6.644 47.405 52.498 1.00 53.94 ATOM 49 N TYR H 18 8.122 44.898 48.532 1.00 59.74 ATOM 50 CA TYR H 18 8.341 45.290 47.144 1.00 61.55 ATOM 51 C TYR H 18 7.045 45.060 46.367 1.00 60.61 ATOM 52 O TYR H 18 6.605 45.912 45.597 1.00 59.61 ATOM 53 CB TYR H 18 9.483 44.450 46.557 1.00 64.74 ATOM 54 CG TYR H 18 9.663 44.577 45.061 1.00 69.11 ATOM 55 CD1 TYR H 18 9.980 45.805 44.477 1.00 72.13 ATOM 56 CD2 TYR H 18 9.515 43.467 44.227 1.00 71.00 ATOM 57 CE1 TYR H 18 10.145 45.924 43.090 1.00 74.20 ATOM 58 CE2 TYR H 18 9.678 43.573 42.843 1.00 72.81 ATOM 59 CZ TYR H 18 9.992 44.802 42.281 1.00 74.22 ATOM 60 OH TYR H 18 10.155 44.912 40.916 1.00 75.09 ATOM 61 N SER H 19 6.438 43.901 46.598 1.00 59.57 ATOM 62 CA SER H 19 5.190 43.534 45.946 1.00 59.56 ATOM 63 C SER H 19 4.062 44.502 46.307 1.00 58.31 ATOM 64 O SER H 19 3.337 44.977 45.430 1.00 56.78 ATOM 65 CB SER H 19 4.788 42.115 46.353 1.00 60.87 ATOM 66 OG SER H 19 5.789 41.178 45.982 1.00 63.64 ATOM 67 N PHE H 20 3.926 44.788 47.600 1.00 57.26 ATOM 68 CA PHE H 20 2.887 45.689 48.085 1.00 55.69 ATOM 69 C PHE H 20 2.905 47.038 47.381 1.00 55.45 ATOM 70 O PHE H 20 1.849 47.568 47.022 1.00 55.85 ATOM 71 CB PHE H 20 3.004 45.927 49.590 1.00 54.82 ATOM 72 CG PHE H 20 1.923 46.814 50.127 1.00 53.95 ATOM 73 CD1 PHE H 20 0.663 46.298 50.404 1.00 54.27 ATOM 74 CD2 PHE H 20 2.123 48.188 50.233 1.00 53.43 ATOM 75 CE1 PHE H 20 -0.384 47.137 50.771 1.00 54.18 ATOM 76 CE2 PHE H 20 1.083 49.034 50.598 1.00 52.49 ATOM 77 CZ PHE H 20 -0.174 48.510 50.864 1.00 54.18 ATOM 78 N TRP H 21 4.095 47.606 47.197 1.00 55.02 ATOM 79 CA TRP H 21 4.209 48.892 46.516 1.00 55.60 ATOM 80 C TRP H 21 3.731 48.785 45.075 1.00 56.24 ATOM 81 O TRP H 21 3.135 49.727 44.552 1.00 55.90 ATOM 82 CB TRP H 21 5.649 49.403 46.539 1.00 55.82 ATOM 83 CG TRP H 21 6.020 50.035 47.836 1.00 56.70 ATOM 84 CD1 TRP H 21 6.845 49.522 48.795 1.00 56.20 ATOM 85 CD2 TRP H 21 5.547 51.289 48.336 1.00 56.43 ATOM 86 NE1 TRP H 21 6.913 50.381 49.868 1.00 55.88 ATOM 87 CE2 TRP H 21 6.128 51.471 49.614 1.00 55.80 ATOM 88 CE3 TRP H 21 4.689 52.275 47.833 1.00 54.82 ATOM 89 CZ2 TRP H 21 5.875 52.607 50.394 1.00 54.20 ATOM 90 CZ3 TRP H 21 4.441 53.403 48.610 1.00 53.90 ATOM 91 CH2 TRP H 21 5.033 53.556 49.876 1.00 53.12 ATOM 92 N ILE H 22 3.994 47.647 44.432 1.00 56.59 ATOM 93 CA ILE H 22 3.546 47.450 43.055 1.00 56.99 ATOM 94 C ILE H 22 2.026 47.503 43.113 1.00 56.58 ATOM 95 O ILE H 22 1.372 48.224 42.358 1.00 56.60 ATOM 96 CB ILE H 22 3.959 46.061 42.487 1.00 58.04 ATOM 97 CG1 ILE H 22 5.483 45.859 42.585 1.00 59.13 ATOM 98 CG2 ILE H 22 3.491 45.936 41.033 1.00 56.33 ATOM 99 CD1 ILE H 22 6.304 46.764 41.689 1.00 56.67 ATOM 100 N PHE H 23 1.472 46.729 44.038 1.00 55.43 ATOM 101 CA PHE H 23 0.034 46.671 44.233 1.00 55.40 ATOM 102 C PHE H 23 -0.533 48.064 44.510 1.00 55.57 ATOM 103 O PHE H 23 -1.450 48.516 43.826 1.00 55.72 ATOM 104 CB PHE H 23 -0.281 45.743 45.406 1.00 55.66 ATOM 105 CG PHE H 23 -1.700 45.811 45.867 1.00 57.64 ATOM 106 CD1 PHE H 23 -2.717 45.214 45.128 1.00 57.65 ATOM 107 CD2 PHE H 23 -2.028 46.492 47.037 1.00 57.25 ATOM 108 CE1 PHE H 23 -4.046 45.295 45.547 1.00 57.43 ATOM 109 CE2 PHE H 23 -3.353 46.580 47.465 1.00 56.29 ATOM 110 CZ PHE H 23 -4.363 45.981 46.720 1.00 57.01 ATOM 111 N LEU H 24 0.017 48.744 45.508 1.00 55.20 ATOM 112 CA LEU H 24 -0.463 50.074 45.863 1.00 53.52 ATOM 113 C LEU H 24 -0.471 51.051 44.690 1.00 52.82 ATOM 114 O LEU H 24 -1.350 51.904 44.600 1.00 52.86 ATOM 115 CB LEU H 24 0.372 50.635 47.009 1.00 53.08 ATOM 116 CG LEU H 24 0.024 52.028 47.538 1.00 53.72 ATOM 117 CD1 LEU H 24 -1.355 52.033 48.187 1.00 53.12 ATOM 118 CD2 LEU H 24 1.087 52.435 48.540 1.00 53.37 ATOM 119 N ALA H 25 0.501 50.932 43.790 1.00 53.00 ATOM 120 CA ALA H 25 0.572 51.826 42.633 1.00 53.37 ATOM 121 C ALA H 25 -0.557 51.511 41.660 1.00 54.03 ATOM 122 O ALA H 25 -1.204 52.417 41.124 1.00 54.12 ATOM 123 CB ALA H 25 1.920 51.681 41.936 1.00 53.07 ATOM 124 N GLY H 26 -0.786 50.219 41.433 1.00 53.41 ATOM 125 CA GLY H 26 -1.853 49.808 40.543 1.00 53.28 ATOM 126 C GLY H 26 -3.202 50.154 41.150 1.00 53.51 ATOM 127 O GLY H 26 -4.134 50.497 40.433 1.00 54.39 ATOM 128 N LEU H 27 -3.299 50.069 42.476 1.00 53.20 ATOM 129 CA LEU H 27 -4.532 50.381 43.184 1.00 53.72 ATOM 130 C LEU H 27 -4.862 51.870 43.043 1.00 54.46 ATOM 131 O LEU H 27 -6.021 52.242 42.807 1.00 54.56 ATOM 132 CB LEU H 27 -4.409 50.017 44.671 1.00 53.42 ATOM 133 CG LEU H 27 -5.578 50.428 45.587 1.00 53.81 ATOM 134 CD1 LEU H 27 -6.806 49.576 45.285 1.00 53.51 ATOM 135 CD2 LEU H 27 -5.175 50.269 47.042 1.00 52.93 ATOM 136 N ILE H 28 -3.848 52.720 43.191 1.00 53.15 ATOM 137 CA ILE H 28 -4.051 54.157 43.067 1.00 53.26 ATOM 138 C ILE H 28 -4.466 54.466 41.636 1.00 53.74 ATOM 139 O ILE H 28 -5.332 55.299 41.391 1.00 53.04 ATOM 140 CB ILE H 28 -2.759 54.934 43.443 1.00 52.85 ATOM 141 CG1 ILE H 28 -2.622 54.952 44.968 1.00 51.55 ATOM 142 CG2 ILE H 28 -2.785 56.355 42.866 1.00 50.19 ATOM 143 CD1 ILE H 28 -1.413 55.675 45.471 1.00 49.43 ATOM 144 N TYR H 29 -3.853 53.773 40.693 1.00 54.66 ATOM 145 CA TYR H 29 -4.179 53.966 39.296 1.00 55.68 ATOM 146 C TYR H 29 -5.677 53.668 39.148 1.00 56.10 ATOM 147 O TYR H 29 -6.466 54.519 38.710 1.00 56.55 ATOM 148 CB TYR H 29 -3.353 53.001 38.466 1.00 56.75 ATOM 149 CG TYR H 29 -3.611 53.076 36.992 1.00 58.23 ATOM 150 CD1 TYR H 29 -3.182 54.169 36.241 1.00 58.88 ATOM 151 CD2 TYR H 29 -4.277 52.047 36.344 1.00 58.89 ATOM 152 CE1 TYR H 29 -3.410 54.228 34.872 1.00 60.03 ATOM 153 CE2 TYR H 29 -4.516 52.092 34.986 1.00 60.53 ATOM 154 CZ TYR H 29 -4.080 53.178 34.253 1.00 61.73 ATOM 155 OH TYR H 29 -4.313 53.189 32.898 1.00 63.92 ATOM 156 N TYR H 30 -6.055 52.453 39.531 1.00 53.95 ATOM 157 CA TYR H 30 -7.436 52.017 39.480 1.00 53.00 ATOM 158 C TYR H 30 -8.344 53.050 40.163 1.00 52.23 ATOM 159 O TYR H 30 -9.321 53.510 39.576 1.00 51.07 ATOM 160 CB TYR H 30 -7.543 50.651 40.171 1.00 54.57 ATOM 161 CG TYR H 30 -8.927 50.277 40.649 1.00 56.33 ATOM 162 CD1 TYR H 30 -9.926 49.899 39.752 1.00 56.34 ATOM 163 CD2 TYR H 30 -9.243 50.320 42.008 1.00 56.11 ATOM 164 CE1 TYR H 30 -11.210 49.575 40.200 1.00 56.76 ATOM 165 CE2 TYR H 30 -10.515 50.003 42.462 1.00 56.67 ATOM 166 CZ TYR H 30 -11.496 49.632 41.552 1.00 57.74 ATOM 167 OH TYR H 30 -12.760 49.326 42.003 1.00 60.42 ATOM 168 N LEU H 31 -8.007 53.430 41.392 1.00 51.00 ATOM 169 CA LEU H 31 -8.818 54.397 42.120 1.00 49.77 ATOM 170 C LEU H 31 -8.964 55.723 41.379 1.00 49.91 ATOM 171 O LEU H 31 -10.059 56.291 41.320 1.00 49.28 ATOM 172 CB LEU H 31 -8.248 54.631 43.520 1.00 47.69 ATOM 173 CG LEU H 31 -8.505 53.474 44.506 1.00 46.60 ATOM 174 CD1 LEU H 31 -7.876 53.783 45.850 1.00 43.94 ATOM 175 CD2 LEU H 31 -10.004 53.262 44.669 1.00 45.09 ATOM 176 N GLN H 32 -7.875 56.213 40.797 1.00 49.79 ATOM 177 CA GLN H 32 -7.950 57.468 40.077 1.00 49.98 ATOM 178 C GLN H 32 -8.827 57.337 38.846 1.00 50.54 ATOM 179 O GLN H 32 -9.560 58.267 38.506 1.00 49.85 ATOM 180 CB GLN H 32 -6.557 57.959 39.675 1.00 50.60 ATOM 181 CG GLN H 32 -6.541 59.377 39.078 1.00 50.05 ATOM 182 CD GLN H 32 -7.392 60.381 39.867 1.00 51.39 ATOM 183 OE1 GLN H 32 -7.440 60.350 41.101 1.00 51.40 ATOM 184 NE2 GLN H 32 -8.047 61.287 39.150 1.00 50.74 ATOM 185 N THR H 33 -8.772 56.190 38.175 1.00 50.49 ATOM 186 CA THR H 33 -9.597 56.024 36.987 1.00 51.46 ATOM 187 C THR H 33 -11.060 55.911 37.380 1.00 51.79 ATOM 188 O THR H 33 -11.931 56.487 36.722 1.00 52.95 ATOM 189 CB THR H 33 -9.195 54.792 36.162 1.00 51.74 ATOM 190 OG1 THR H 33 -9.303 53.610 36.963 1.00 53.08 ATOM 191 CG2 THR H 33 -7.772 54.947 35.654 1.00 52.38 ATOM 192 N GLU H 34 -11.338 55.180 38.454 1.00 50.69 ATOM 193 CA GLU H 34 -12.715 55.049 38.897 1.00 50.27 ATOM 194 C GLU H 34 -13.325 56.416 39.142 1.00 50.32 ATOM 195 O GLU H 34 -14.492 56.638 38.848 1.00 51.52 ATOM 196 CB GLU H 34 -12.814 54.239 40.187 1.00 51.01 ATOM 197 CG GLU H 34 -12.770 52.751 39.973 1.00 51.55 ATOM 198 CD GLU H 34 -13.690 52.311 38.857 1.00 52.08 ATOM 199 OE1 GLU H 34 -13.208 51.601 37.954 1.00 52.89 ATOM 200 OE2 GLU H 34 -14.890 52.668 38.872 1.00 51.44 ATOM 201 N ASN H 35 -12.535 57.336 39.676 1.00 49.79 ATOM 202 CA ASN H 35 -13.038 58.662 39.975 1.00 50.69 ATOM 203 C ASN H 35 -13.072 59.609 38.797 1.00 51.91 ATOM 204 O ASN H 35 -13.220 60.823 38.957 1.00 51.17 ATOM 205 CB ASN H 35 -12.235 59.266 41.120 1.00 52.04 ATOM 206 CG ASN H 35 -12.650 58.708 42.451 1.00 51.13 ATOM 207 OD1 ASN H 35 -13.456 59.303 43.154 1.00 51.98 ATOM 208 ND2 ASN H 35 -12.128 57.536 42.793 1.00 52.45 TER