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; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.40 ANGSTORMS DBREF 1RZZ 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 N ASP T 11 -2.218 41.354 11.142 1.00 54.11 ATOM 2 CA ASP T 11 -1.448 42.127 12.165 1.00 53.79 ATOM 3 C ASP T 11 0.046 41.811 12.065 1.00 52.33 ATOM 4 O ASP T 11 0.463 40.667 12.242 1.00 52.24 ATOM 5 CB ASP T 11 -1.974 41.799 13.567 1.00 55.11 ATOM 6 CG ASP T 11 -1.172 42.472 14.666 1.00 57.34 ATOM 7 OD1 ASP T 11 -0.046 42.015 14.947 1.00 58.70 ATOM 8 OD2 ASP T 11 -1.662 43.463 15.248 1.00 57.69 ATOM 9 N LEU T 12 0.847 42.833 11.781 1.00 51.03 ATOM 10 CA LEU T 12 2.289 42.665 11.634 1.00 49.90 ATOM 11 C LEU T 12 2.950 42.019 12.858 1.00 49.15 ATOM 12 O LEU T 12 3.777 41.115 12.718 1.00 48.10 ATOM 13 CB LEU T 12 2.938 44.020 11.334 1.00 50.56 ATOM 14 CG LEU T 12 4.301 44.036 10.630 1.00 52.00 ATOM 15 CD1 LEU T 12 5.403 43.560 11.565 1.00 52.99 ATOM 16 CD2 LEU T 12 4.234 43.162 9.388 1.00 52.56 ATOM 17 N ALA T 13 2.589 42.475 14.054 1.00 47.94 ATOM 18 CA ALA T 13 3.165 41.918 15.275 1.00 46.76 ATOM 19 C ALA T 13 2.878 40.424 15.400 1.00 46.72 ATOM 20 O ALA T 13 3.719 39.667 15.874 1.00 45.63 ATOM 21 CB ALA T 13 2.634 42.654 16.493 1.00 45.62 ATOM 22 N SER T 14 1.690 40.000 14.976 1.00 47.09 ATOM 23 CA SER T 14 1.318 38.588 15.041 1.00 47.04 ATOM 24 C SER T 14 2.161 37.767 14.072 1.00 45.85 ATOM 25 O SER T 14 2.574 36.649 14.383 1.00 44.13 ATOM 26 CB SER T 14 -0.167 38.406 14.705 1.00 48.75 ATOM 27 OG SER T 14 -0.994 38.991 15.697 1.00 52.31 ATOM 28 N LEU T 15 2.409 38.322 12.892 1.00 45.32 ATOM 29 CA LEU T 15 3.216 37.628 11.905 1.00 45.77 ATOM 30 C LEU T 15 4.632 37.499 12.447 1.00 45.85 ATOM 31 O LEU T 15 5.274 36.456 12.300 1.00 47.39 ATOM 32 CB LEU T 15 3.246 38.402 10.586 1.00 46.32 ATOM 33 CG LEU T 15 4.269 37.860 9.578 1.00 47.74 ATOM 34 CD1 LEU T 15 3.855 36.458 9.138 1.00 46.66 ATOM 35 CD2 LEU T 15 4.374 38.798 8.381 1.00 48.05 ATOM 36 N ALA T 16 5.112 38.567 13.079 1.00 44.30 ATOM 37 CA ALA T 16 6.455 38.586 13.645 1.00 42.77 ATOM 38 C ALA T 16 6.633 37.511 14.712 1.00 42.07 ATOM 39 O ALA T 16 7.601 36.752 14.675 1.00 41.49 ATOM 40 CB ALA T 16 6.757 39.961 14.235 1.00 41.51 ATOM 41 N ILE T 17 5.696 37.442 15.656 1.00 40.89 ATOM 42 CA ILE T 17 5.784 36.463 16.729 1.00 40.90 ATOM 43 C ILE T 17 5.612 35.051 16.193 1.00 43.50 ATOM 44 O ILE T 17 6.265 34.120 16.661 1.00 43.77 ATOM 45 CB ILE T 17 4.734 36.729 17.833 1.00 39.11 ATOM 46 CG1 ILE T 17 4.956 35.770 19.005 1.00 38.53 ATOM 47 CG2 ILE T 17 3.335 36.547 17.292 1.00 38.72 ATOM 48 CD1 ILE T 17 6.296 35.921 19.689 1.00 34.20 ATOM 49 N TYR T 18 4.736 34.894 15.207 1.00 46.12 ATOM 50 CA TYR T 18 4.502 33.590 14.597 1.00 47.26 ATOM 51 C TYR T 18 5.779 33.147 13.893 1.00 46.09 ATOM 52 O TYR T 18 6.208 32.002 14.016 1.00 46.70 ATOM 53 CB TYR T 18 3.353 33.675 13.581 1.00 50.49 ATOM 54 CG TYR T 18 3.250 32.476 12.651 1.00 53.38 ATOM 55 CD1 TYR T 18 2.904 31.214 13.140 1.00 55.21 ATOM 56 CD2 TYR T 18 3.526 32.601 11.286 1.00 53.94 ATOM 57 CE1 TYR T 18 2.839 30.104 12.296 1.00 55.72 ATOM 58 CE2 TYR T 18 3.463 31.500 10.433 1.00 55.16 ATOM 59 CZ TYR T 18 3.120 30.253 10.946 1.00 56.62 ATOM 60 OH TYR T 18 3.062 29.153 10.112 1.00 58.01 ATOM 61 N SER T 19 6.386 34.065 13.154 1.00 45.63 ATOM 62 CA SER T 19 7.609 33.755 12.427 1.00 45.71 ATOM 63 C SER T 19 8.773 33.472 13.367 1.00 45.88 ATOM 64 O SER T 19 9.618 32.624 13.075 1.00 45.79 ATOM 65 CB SER T 19 7.974 34.909 11.493 1.00 45.27 ATOM 66 OG SER T 19 6.970 35.091 10.518 1.00 44.88 ATOM 67 N PHE T 20 8.823 34.176 14.495 1.00 45.89 ATOM 68 CA PHE T 20 9.911 33.965 15.439 1.00 45.68 ATOM 69 C PHE T 20 9.916 32.548 15.998 1.00 44.50 ATOM 70 O PHE T 20 10.974 31.942 16.152 1.00 44.17 ATOM 71 CB PHE T 20 9.853 34.945 16.610 1.00 47.24 ATOM 72 CG PHE T 20 10.963 34.735 17.596 1.00 48.07 ATOM 73 CD1 PHE T 20 12.246 35.183 17.314 1.00 47.07 ATOM 74 CD2 PHE T 20 10.751 33.989 18.752 1.00 48.51 ATOM 75 CE1 PHE T 20 13.303 34.887 18.159 1.00 48.39 ATOM 76 CE2 PHE T 20 11.804 33.686 19.605 1.00 50.60 ATOM 77 CZ PHE T 20 13.085 34.135 19.308 1.00 49.37 ATOM 78 N TRP T 21 8.743 32.027 16.325 1.00 43.86 ATOM 79 CA TRP T 21 8.672 30.674 16.849 1.00 44.86 ATOM 80 C TRP T 21 9.112 29.685 15.776 1.00 45.10 ATOM 81 O TRP T 21 9.664 28.629 16.083 1.00 45.44 ATOM 82 CB TRP T 21 7.259 30.359 17.333 1.00 45.09 ATOM 83 CG TRP T 21 6.955 30.982 18.661 1.00 47.17 ATOM 84 CD1 TRP T 21 5.994 31.911 18.931 1.00 48.17 ATOM 85 CD2 TRP T 21 7.625 30.726 19.904 1.00 48.28 ATOM 86 NE1 TRP T 21 6.021 32.250 20.264 1.00 47.38 ATOM 87 CE2 TRP T 21 7.012 31.537 20.884 1.00 47.92 ATOM 88 CE3 TRP T 21 8.684 29.889 20.284 1.00 48.47 ATOM 89 CZ2 TRP T 21 7.422 31.537 22.224 1.00 48.37 ATOM 90 CZ3 TRP T 21 9.092 29.888 21.619 1.00 48.25 ATOM 91 CH2 TRP T 21 8.460 30.708 22.570 1.00 48.56 ATOM 92 N ILE T 22 8.878 30.030 14.515 1.00 45.50 ATOM 93 CA ILE T 22 9.297 29.171 13.413 1.00 45.13 ATOM 94 C ILE T 22 10.826 29.187 13.386 1.00 45.38 ATOM 95 O ILE T 22 11.469 28.169 13.149 1.00 45.99 ATOM 96 CB ILE T 22 8.767 29.690 12.053 1.00 45.61 ATOM 97 CG1 ILE T 22 7.236 29.755 12.069 1.00 44.66 ATOM 98 CG2 ILE T 22 9.253 28.794 10.935 1.00 45.23 ATOM 99 CD1 ILE T 22 6.560 28.444 12.396 1.00 43.43 ATOM 100 N PHE T 23 11.404 30.357 13.638 1.00 45.65 ATOM 101 CA PHE T 23 12.854 30.504 13.649 1.00 45.70 ATOM 102 C PHE T 23 13.494 29.726 14.804 1.00 45.85 ATOM 103 O PHE T 23 14.375 28.897 14.588 1.00 45.30 ATOM 104 CB PHE T 23 13.230 31.985 13.760 1.00 46.25 ATOM 105 CG PHE T 23 14.710 32.228 13.915 1.00 46.74 ATOM 106 CD1 PHE T 23 15.587 31.968 12.865 1.00 46.73 ATOM 107 CD2 PHE T 23 15.228 32.701 15.120 1.00 45.78 ATOM 108 CE1 PHE T 23 16.961 32.173 13.010 1.00 46.04 ATOM 109 CE2 PHE T 23 16.597 32.908 15.275 1.00 46.15 ATOM 110 CZ PHE T 23 17.466 32.644 14.217 1.00 46.32 ATOM 111 N LEU T 24 13.039 29.996 16.026 1.00 46.14 ATOM 112 CA LEU T 24 13.571 29.344 17.219 1.00 45.44 ATOM 113 C LEU T 24 13.607 27.824 17.095 1.00 46.06 ATOM 114 O LEU T 24 14.616 27.192 17.413 1.00 45.32 ATOM 115 CB LEU T 24 12.754 29.750 18.453 1.00 45.06 ATOM 116 CG LEU T 24 13.283 29.280 19.818 1.00 45.29 ATOM 117 CD1 LEU T 24 14.755 29.652 19.961 1.00 45.07 ATOM 118 CD2 LEU T 24 12.460 29.910 20.943 1.00 44.50 ATOM 119 N ALA T 25 12.508 27.239 16.635 1.00 46.64 ATOM 120 CA ALA T 25 12.435 25.791 16.468 1.00 46.91 ATOM 121 C ALA T 25 13.513 25.341 15.487 1.00 46.80 ATOM 122 O ALA T 25 14.105 24.272 15.643 1.00 47.53 ATOM 123 CB ALA T 25 11.050 25.386 15.959 1.00 46.61 ATOM 124 N GLY T 26 13.767 26.167 14.477 1.00 46.12 ATOM 125 CA GLY T 26 14.783 25.840 13.495 1.00 45.13 ATOM 126 C GLY T 26 16.173 26.031 14.069 1.00 45.14 ATOM 127 O GLY T 26 17.086 25.251 13.789 1.00 45.30 ATOM 128 N LEU T 27 16.337 27.078 14.874 1.00 44.72 ATOM 129 CA LEU T 27 17.623 27.372 15.503 1.00 44.15 ATOM 130 C LEU T 27 18.008 26.227 16.439 1.00 44.23 ATOM 131 O LEU T 27 19.151 25.781 16.450 1.00 44.01 ATOM 132 CB LEU T 27 17.536 28.680 16.297 1.00 41.01 ATOM 133 CG LEU T 27 18.794 29.137 17.040 1.00 39.59 ATOM 134 CD1 LEU T 27 19.903 29.415 16.044 1.00 38.52 ATOM 135 CD2 LEU T 27 18.483 30.389 17.850 1.00 39.09 ATOM 136 N ILE T 28 17.038 25.758 17.217 1.00 45.27 ATOM 137 CA ILE T 28 17.258 24.668 18.156 1.00 46.44 ATOM 138 C ILE T 28 17.603 23.398 17.399 1.00 47.28 ATOM 139 O ILE T 28 18.563 22.710 17.735 1.00 47.99 ATOM 140 CB ILE T 28 16.007 24.435 19.023 1.00 47.19 ATOM 141 CG1 ILE T 28 15.726 25.695 19.853 1.00 48.36 ATOM 142 CG2 ILE T 28 16.216 23.227 19.928 1.00 46.35 ATOM 143 CD1 ILE T 28 14.417 25.670 20.610 1.00 48.85 ATOM 144 N TYR T 29 16.815 23.089 16.374 1.00 48.25 ATOM 145 CA TYR T 29 17.064 21.910 15.554 1.00 48.11 ATOM 146 C TYR T 29 18.511 21.973 15.071 1.00 47.29 ATOM 147 O TYR T 29 19.227 20.967 15.048 1.00 46.80 ATOM 148 CB TYR T 29 16.129 21.910 14.347 1.00 51.21 ATOM 149 CG TYR T 29 16.372 20.771 13.387 1.00 53.86 ATOM 150 CD1 TYR T 29 15.919 19.482 13.674 1.00 55.01 ATOM 151 CD2 TYR T 29 17.078 20.975 12.198 1.00 55.09 ATOM 152 CE1 TYR T 29 16.162 18.420 12.801 1.00 56.21 ATOM 153 CE2 TYR T 29 17.327 19.921 11.316 1.00 56.36 ATOM 154 CZ TYR T 29 16.866 18.648 11.627 1.00 56.57 ATOM 155 OH TYR T 29 17.112 17.603 10.768 1.00 57.95 ATOM 156 N TYR T 30 18.924 23.177 14.689 1.00 46.51 ATOM 157 CA TYR T 30 20.274 23.437 14.199 1.00 45.76 ATOM 158 C TYR T 30 21.346 23.223 15.274 1.00 45.51 ATOM 159 O TYR T 30 22.384 22.608 15.012 1.00 44.56 ATOM 160 CB TYR T 30 20.357 24.873 13.667 1.00 44.63 ATOM 161 CG TYR T 30 21.766 25.413 13.575 1.00 44.72 ATOM 162 CD1 TYR T 30 22.641 24.980 12.576 1.00 44.65 ATOM 163 CD2 TYR T 30 22.244 26.323 14.522 1.00 44.38 ATOM 164 CE1 TYR T 30 23.957 25.439 12.525 1.00 43.30 ATOM 165 CE2 TYR T 30 23.556 26.786 14.482 1.00 43.13 ATOM 166 CZ TYR T 30 24.406 26.340 13.483 1.00 43.88 ATOM 167 OH TYR T 30 25.709 26.785 13.453 1.00 45.46 ATOM 168 N LEU T 31 21.101 23.741 16.474 1.00 44.72 ATOM 169 CA LEU T 31 22.065 23.606 17.558 1.00 46.04 ATOM 170 C LEU T 31 22.235 22.151 17.980 1.00 47.11 ATOM 171 O LEU T 31 23.354 21.653 18.102 1.00 47.01 ATOM 172 CB LEU T 31 21.645 24.457 18.768 1.00 44.16 ATOM 173 CG LEU T 31 21.762 25.977 18.602 1.00 44.05 ATOM 174 CD1 LEU T 31 21.322 26.674 19.872 1.00 41.34 ATOM 175 CD2 LEU T 31 23.194 26.350 18.268 1.00 42.09 ATOM 176 N GLN T 32 21.119 21.469 18.197 1.00 48.94 ATOM 177 CA GLN T 32 21.158 20.080 18.613 1.00 50.12 ATOM 178 C GLN T 32 22.000 19.232 17.661 1.00 50.41 ATOM 179 O GLN T 32 22.885 18.495 18.101 1.00 51.76 ATOM 180 CB GLN T 32 19.740 19.526 18.705 1.00 50.37 ATOM 181 CG GLN T 32 19.676 18.120 19.255 1.00 51.70 ATOM 182 CD GLN T 32 20.506 17.949 20.512 1.00 51.90 ATOM 183 OE1 GLN T 32 20.347 18.689 21.483 1.00 52.74 ATOM 184 NE2 GLN T 32 21.397 16.964 20.500 1.00 51.72 ATOM 185 N THR T 33 21.743 19.340 16.361 1.00 49.43 ATOM 186 CA THR T 33 22.508 18.567 15.392 1.00 48.50 ATOM 187 C THR T 33 23.982 18.941 15.463 1.00 48.53 ATOM 188 O THR T 33 24.848 18.066 15.445 1.00 49.11 ATOM 189 CB THR T 33 21.996 18.780 13.952 1.00 47.93 ATOM 190 OG1 THR T 33 22.126 20.159 13.592 1.00 48.73 ATOM 191 CG2 THR T 33 20.536 18.370 13.847 1.00 46.82 ATOM 192 N GLU T 34 24.275 20.235 15.547 1.00 48.61 ATOM 193 CA GLU T 34 25.665 20.668 15.642 1.00 48.69 ATOM 194 C GLU T 34 26.353 19.993 16.823 1.00 48.24 ATOM 195 O GLU T 34 27.525 19.637 16.740 1.00 47.32 ATOM 196 CB GLU T 34 25.764 22.187 15.802 1.00 49.62 ATOM 197 CG GLU T 34 25.923 22.948 14.494 1.00 50.10 ATOM 198 CD GLU T 34 26.968 22.326 13.594 1.00 50.77 ATOM 199 OE1 GLU T 34 26.656 21.299 12.959 1.00 53.34 ATOM 200 OE2 GLU T 34 28.104 22.845 13.528 1.00 52.16 ATOM 201 N ASN T 35 25.613 19.808 17.913 1.00 48.36 ATOM 202 CA ASN T 35 26.150 19.179 19.117 1.00 48.87 ATOM 203 C ASN T 35 26.107 17.658 19.075 1.00 49.19 ATOM 204 O ASN T 35 26.087 16.993 20.116 1.00 48.27 ATOM 205 CB ASN T 35 25.404 19.692 20.351 1.00 48.77 ATOM 206 CG ASN T 35 25.824 21.093 20.730 1.00 48.17 ATOM 207 OD1 ASN T 35 26.813 21.285 21.437 1.00 47.24 ATOM 208 ND2 ASN T 35 25.090 22.086 20.239 1.00 47.40 TER