HEADER PHOTOSYNTHETIC REACTION CENTER 09-MAR-98 1MPS TITLE PHOTOSYNTHETIC REACTION CENTER MUTANT WITH PHE M 197 REPLACED WITH TITLE 2 ARG AND TYR M 177 REPLACED WITH PHE (CHAIN M, Y177F, F197R) COMPND MOL_ID: 3; COMPND 2 MOLECULE: PHOTOSYNTHETIC REACTION CENTER; COMPND 3 CHAIN: H; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.55 ANGSTORMS DBREF 1MPS 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 43.959 89.443 41.668 1.00 48.65 ATOM 2 CA ASP H 11 44.513 90.705 41.101 1.00 53.48 ATOM 3 C ASP H 11 43.541 91.864 41.337 1.00 52.20 ATOM 4 O ASP H 11 42.594 91.736 42.113 1.00 51.09 ATOM 5 CB ASP H 11 44.772 90.544 39.596 1.00 55.96 ATOM 6 CG ASP H 11 43.486 90.358 38.794 1.00 56.18 ATOM 7 OD1 ASP H 11 42.540 89.712 39.308 1.00 44.46 ATOM 8 OD2 ASP H 11 43.424 90.865 37.651 1.00 57.29 ATOM 9 N LEU H 12 43.753 92.963 40.613 1.00 50.96 ATOM 10 CA LEU H 12 42.927 94.170 40.715 1.00 54.55 ATOM 11 C LEU H 12 41.442 93.955 40.416 1.00 53.01 ATOM 12 O LEU H 12 40.580 94.515 41.096 1.00 54.46 ATOM 13 CB LEU H 12 43.474 95.268 39.793 1.00 55.31 ATOM 14 CG LEU H 12 44.725 96.058 40.199 1.00 65.68 ATOM 15 CD1 LEU H 12 44.400 96.945 41.388 1.00 68.41 ATOM 16 CD2 LEU H 12 45.905 95.134 40.506 1.00 66.10 ATOM 17 N ALA H 13 41.150 93.155 39.394 1.00 49.12 ATOM 18 CA ALA H 13 39.770 92.874 39.007 1.00 46.49 ATOM 19 C ALA H 13 38.983 92.166 40.112 1.00 44.30 ATOM 20 O ALA H 13 37.888 92.602 40.478 1.00 42.35 ATOM 21 CB ALA H 13 39.735 92.057 37.716 1.00 45.68 ATOM 22 N SER H 14 39.533 91.072 40.636 1.00 45.20 ATOM 23 CA SER H 14 38.865 90.327 41.699 1.00 47.93 ATOM 24 C SER H 14 38.726 91.212 42.934 1.00 45.81 ATOM 25 O SER H 14 37.766 91.083 43.692 1.00 46.51 ATOM 26 CB SER H 14 39.615 89.027 42.015 1.00 41.47 ATOM 27 OG SER H 14 41.012 89.165 41.799 1.00 54.66 ATOM 28 N LEU H 15 39.664 92.138 43.109 1.00 42.41 ATOM 29 CA LEU H 15 39.608 93.054 44.236 1.00 46.32 ATOM 30 C LEU H 15 38.439 94.019 44.016 1.00 45.14 ATOM 31 O LEU H 15 37.616 94.232 44.911 1.00 43.73 ATOM 32 CB LEU H 15 40.914 93.842 44.369 1.00 48.79 ATOM 33 CG LEU H 15 41.045 94.576 45.707 1.00 51.65 ATOM 34 CD1 LEU H 15 41.132 93.535 46.818 1.00 51.95 ATOM 35 CD2 LEU H 15 42.264 95.499 45.723 1.00 50.08 ATOM 36 N ALA H 16 38.343 94.554 42.803 1.00 39.73 ATOM 37 CA ALA H 16 37.291 95.490 42.448 1.00 34.31 ATOM 38 C ALA H 16 35.887 94.897 42.591 1.00 36.80 ATOM 39 O ALA H 16 35.018 95.497 43.220 1.00 37.36 ATOM 40 CB ALA H 16 37.504 96.001 41.038 1.00 28.95 ATOM 41 N ILE H 17 35.666 93.705 42.050 1.00 37.62 ATOM 42 CA ILE H 17 34.341 93.103 42.133 1.00 40.19 ATOM 43 C ILE H 17 33.956 92.778 43.567 1.00 41.74 ATOM 44 O ILE H 17 32.792 92.914 43.949 1.00 45.52 ATOM 45 CB ILE H 17 34.211 91.841 41.229 1.00 41.42 ATOM 46 CG1 ILE H 17 32.737 91.443 41.082 1.00 39.87 ATOM 47 CG2 ILE H 17 35.012 90.679 41.796 1.00 49.96 ATOM 48 CD1 ILE H 17 31.891 92.474 40.354 1.00 42.25 ATOM 49 N TYR H 18 34.946 92.375 44.359 1.00 44.81 ATOM 50 CA TYR H 18 34.748 92.031 45.762 1.00 43.27 ATOM 51 C TYR H 18 34.380 93.311 46.523 1.00 39.32 ATOM 52 O TYR H 18 33.435 93.335 47.316 1.00 35.76 ATOM 53 CB TYR H 18 36.030 91.395 46.317 1.00 54.88 ATOM 54 CG TYR H 18 35.936 90.896 47.745 1.00 70.80 ATOM 55 CD1 TYR H 18 35.245 89.723 48.054 1.00 77.01 ATOM 56 CD2 TYR H 18 36.542 91.600 48.794 1.00 75.60 ATOM 57 CE1 TYR H 18 35.158 89.261 49.374 1.00 80.37 ATOM 58 CE2 TYR H 18 36.462 91.148 50.115 1.00 77.25 ATOM 59 CZ TYR H 18 35.769 89.980 50.396 1.00 80.53 ATOM 60 OH TYR H 18 35.686 89.530 51.697 1.00 82.76 ATOM 61 N SER H 19 35.091 94.392 46.235 1.00 33.56 ATOM 62 CA SER H 19 34.808 95.665 46.881 1.00 34.44 ATOM 63 C SER H 19 33.402 96.120 46.498 1.00 35.48 ATOM 64 O SER H 19 32.606 96.531 47.351 1.00 35.74 ATOM 65 CB SER H 19 35.820 96.716 46.432 1.00 35.26 ATOM 66 OG SER H 19 37.140 96.279 46.691 1.00 45.19 ATOM 67 N PHE H 20 33.087 96.001 45.213 1.00 35.84 ATOM 68 CA PHE H 20 31.789 96.409 44.716 1.00 34.58 ATOM 69 C PHE H 20 30.624 95.723 45.416 1.00 34.02 ATOM 70 O PHE H 20 29.618 96.371 45.723 1.00 33.60 ATOM 71 CB PHE H 20 31.669 96.208 43.208 1.00 37.32 ATOM 72 CG PHE H 20 30.383 96.724 42.661 1.00 39.70 ATOM 73 CD1 PHE H 20 30.239 98.078 42.371 1.00 43.09 ATOM 74 CD2 PHE H 20 29.275 95.887 42.549 1.00 35.59 ATOM 75 CE1 PHE H 20 29.009 98.591 41.990 1.00 45.36 ATOM 76 CE2 PHE H 20 28.042 96.389 42.170 1.00 41.11 ATOM 77 CZ PHE H 20 27.906 97.743 41.892 1.00 46.63 ATOM 78 N TRP H 21 30.728 94.418 45.636 1.00 32.91 ATOM 79 CA TRP H 21 29.657 93.703 46.320 1.00 37.63 ATOM 80 C TRP H 21 29.447 94.179 47.761 1.00 37.96 ATOM 81 O TRP H 21 28.331 94.114 48.280 1.00 40.45 ATOM 82 CB TRP H 21 29.899 92.201 46.290 1.00 37.27 ATOM 83 CG TRP H 21 29.490 91.593 45.010 1.00 42.25 ATOM 84 CD1 TRP H 21 30.305 91.090 44.045 1.00 44.42 ATOM 85 CD2 TRP H 21 28.149 91.410 44.546 1.00 42.69 ATOM 86 NE1 TRP H 21 29.555 90.598 43.005 1.00 48.14 ATOM 87 CE2 TRP H 21 28.227 90.783 43.286 1.00 43.48 ATOM 88 CE3 TRP H 21 26.890 91.713 45.074 1.00 41.27 ATOM 89 CZ2 TRP H 21 27.095 90.449 42.542 1.00 43.91 ATOM 90 CZ3 TRP H 21 25.761 91.380 44.335 1.00 41.62 ATOM 91 CH2 TRP H 21 25.874 90.754 43.082 1.00 43.33 ATOM 92 N ILE H 22 30.514 94.650 48.405 1.00 37.60 ATOM 93 CA ILE H 22 30.416 95.155 49.772 1.00 40.10 ATOM 94 C ILE H 22 29.724 96.521 49.729 1.00 36.44 ATOM 95 O ILE H 22 28.843 96.812 50.544 1.00 35.57 ATOM 96 CB ILE H 22 31.807 95.281 50.439 1.00 45.21 ATOM 97 CG1 ILE H 22 32.510 93.920 50.453 1.00 42.72 ATOM 98 CG2 ILE H 22 31.661 95.778 51.871 1.00 46.47 ATOM 99 CD1 ILE H 22 33.910 93.973 51.013 1.00 41.15 ATOM 100 N PHE H 23 30.123 97.351 48.772 1.00 34.62 ATOM 101 CA PHE H 23 29.517 98.668 48.599 1.00 37.25 ATOM 102 C PHE H 23 28.014 98.512 48.366 1.00 38.22 ATOM 103 O PHE H 23 27.204 99.248 48.933 1.00 39.04 ATOM 104 CB PHE H 23 30.155 99.399 47.403 1.00 40.34 ATOM 105 CG PHE H 23 29.242 100.409 46.734 1.00 41.61 ATOM 106 CD1 PHE H 23 29.109 101.701 47.241 1.00 39.92 ATOM 107 CD2 PHE H 23 28.515 100.063 45.592 1.00 37.92 ATOM 108 CE1 PHE H 23 28.266 102.631 46.621 1.00 34.58 ATOM 109 CE2 PHE H 23 27.673 100.984 44.970 1.00 36.69 ATOM 110 CZ PHE H 23 27.549 102.271 45.487 1.00 37.36 ATOM 111 N LEU H 24 27.649 97.546 47.531 1.00 35.98 ATOM 112 CA LEU H 24 26.252 97.302 47.198 1.00 34.73 ATOM 113 C LEU H 24 25.403 96.940 48.421 1.00 33.09 ATOM 114 O LEU H 24 24.290 97.452 48.588 1.00 33.11 ATOM 115 CB LEU H 24 26.160 96.226 46.117 1.00 33.91 ATOM 116 CG LEU H 24 24.857 96.152 45.338 1.00 34.42 ATOM 117 CD1 LEU H 24 24.512 97.515 44.758 1.00 30.33 ATOM 118 CD2 LEU H 24 25.018 95.129 44.237 1.00 42.79 ATOM 119 N ALA H 25 25.934 96.081 49.286 1.00 34.83 ATOM 120 CA ALA H 25 25.223 95.676 50.500 1.00 32.71 ATOM 121 C ALA H 25 24.993 96.903 51.381 1.00 31.15 ATOM 122 O ALA H 25 23.914 97.077 51.940 1.00 31.68 ATOM 123 CB ALA H 25 26.015 94.616 51.255 1.00 22.17 ATOM 124 N GLY H 26 26.005 97.760 51.486 1.00 30.65 ATOM 125 CA GLY H 26 25.869 98.971 52.279 1.00 30.68 ATOM 126 C GLY H 26 24.820 99.908 51.692 1.00 34.20 ATOM 127 O GLY H 26 24.058 100.543 52.423 1.00 33.91 ATOM 128 N LEU H 27 24.768 99.970 50.364 1.00 35.69 ATOM 129 CA LEU H 27 23.816 100.814 49.659 1.00 32.70 ATOM 130 C LEU H 27 22.384 100.332 49.901 1.00 31.73 ATOM 131 O LEU H 27 21.522 101.122 50.283 1.00 35.59 ATOM 132 CB LEU H 27 24.129 100.833 48.161 1.00 29.22 ATOM 133 CG LEU H 27 23.215 101.698 47.290 1.00 34.65 ATOM 134 CD1 LEU H 27 23.439 103.177 47.602 1.00 29.57 ATOM 135 CD2 LEU H 27 23.474 101.405 45.818 1.00 32.60 ATOM 136 N ILE H 28 22.126 99.046 49.678 1.00 28.76 ATOM 137 CA ILE H 28 20.792 98.484 49.898 1.00 24.58 ATOM 138 C ILE H 28 20.342 98.743 51.340 1.00 29.91 ATOM 139 O ILE H 28 19.181 99.068 51.590 1.00 28.40 ATOM 140 CB ILE H 28 20.771 96.969 49.599 1.00 25.16 ATOM 141 CG1 ILE H 28 20.961 96.741 48.092 1.00 26.40 ATOM 142 CG2 ILE H 28 19.482 96.323 50.131 1.00 16.53 ATOM 143 CD1 ILE H 28 20.978 95.271 47.682 1.00 26.67 ATOM 144 N TYR H 29 21.270 98.616 52.284 1.00 32.90 ATOM 145 CA TYR H 29 20.972 98.866 53.690 1.00 35.34 ATOM 146 C TYR H 29 20.530 100.330 53.862 1.00 33.88 ATOM 147 O TYR H 29 19.455 100.616 54.406 1.00 31.42 ATOM 148 CB TYR H 29 22.213 98.565 54.533 1.00 39.00 ATOM 149 CG TYR H 29 22.017 98.753 56.020 1.00 41.40 ATOM 150 CD1 TYR H 29 21.290 97.831 56.775 1.00 39.62 ATOM 151 CD2 TYR H 29 22.556 99.860 56.670 1.00 40.10 ATOM 152 CE1 TYR H 29 21.107 98.011 58.140 1.00 43.94 ATOM 153 CE2 TYR H 29 22.378 100.050 58.028 1.00 45.63 ATOM 154 CZ TYR H 29 21.656 99.125 58.758 1.00 45.35 ATOM 155 OH TYR H 29 21.496 99.327 60.107 1.00 54.42 ATOM 156 N TYR H 30 21.357 101.245 53.364 1.00 29.89 ATOM 157 CA TYR H 30 21.086 102.678 53.414 1.00 28.65 ATOM 158 C TYR H 30 19.736 103.031 52.770 1.00 31.88 ATOM 159 O TYR H 30 18.960 103.810 53.326 1.00 34.16 ATOM 160 CB TYR H 30 22.228 103.435 52.715 1.00 32.51 ATOM 161 CG TYR H 30 21.862 104.817 52.209 1.00 39.73 ATOM 162 CD1 TYR H 30 21.819 105.912 53.072 1.00 38.45 ATOM 163 CD2 TYR H 30 21.538 105.023 50.867 1.00 36.60 ATOM 164 CE1 TYR H 30 21.459 107.183 52.612 1.00 36.24 ATOM 165 CE2 TYR H 30 21.177 106.288 50.397 1.00 43.91 ATOM 166 CZ TYR H 30 21.137 107.367 51.274 1.00 44.73 ATOM 167 OH TYR H 30 20.769 108.615 50.804 1.00 41.36 ATOM 168 N LEU H 31 19.453 102.445 51.612 1.00 29.86 ATOM 169 CA LEU H 31 18.207 102.711 50.898 1.00 29.87 ATOM 170 C LEU H 31 16.959 102.209 51.621 1.00 28.93 ATOM 171 O LEU H 31 15.926 102.888 51.629 1.00 33.19 ATOM 172 CB LEU H 31 18.252 102.125 49.477 1.00 27.95 ATOM 173 CG LEU H 31 19.125 102.827 48.431 1.00 24.57 ATOM 174 CD1 LEU H 31 19.279 101.938 47.203 1.00 22.41 ATOM 175 CD2 LEU H 31 18.516 104.166 48.058 1.00 17.57 ATOM 176 N GLN H 32 17.039 101.027 52.224 1.00 27.04 ATOM 177 CA GLN H 32 15.885 100.482 52.922 1.00 27.17 ATOM 178 C GLN H 32 15.563 101.324 54.142 1.00 26.17 ATOM 179 O GLN H 32 14.404 101.666 54.365 1.00 22.78 ATOM 180 CB GLN H 32 16.110 99.023 53.311 1.00 26.31 ATOM 181 CG GLN H 32 14.905 98.373 54.004 1.00 27.40 ATOM 182 CD GLN H 32 13.610 98.414 53.181 1.00 34.46 ATOM 183 OE1 GLN H 32 13.625 98.395 51.950 1.00 36.58 ATOM 184 NE2 GLN H 32 12.486 98.454 53.871 1.00 33.62 ATOM 185 N THR H 33 16.588 101.706 54.900 1.00 29.62 ATOM 186 CA THR H 33 16.374 102.529 56.096 1.00 33.35 ATOM 187 C THR H 33 15.761 103.886 55.723 1.00 31.13 ATOM 188 O THR H 33 14.868 104.385 56.416 1.00 28.01 ATOM 189 CB THR H 33 17.671 102.713 56.923 1.00 30.78 ATOM 190 OG1 THR H 33 18.684 103.332 56.118 1.00 35.16 ATOM 191 CG2 THR H 33 18.173 101.361 57.408 1.00 23.58 ATOM 192 N GLU H 34 16.195 104.452 54.599 1.00 24.02 ATOM 193 CA GLU H 34 15.644 105.720 54.145 1.00 21.24 ATOM 194 C GLU H 34 14.176 105.554 53.803 1.00 20.52 ATOM 195 O GLU H 34 13.401 106.493 53.932 1.00 23.36 ATOM 196 CB GLU H 34 16.392 106.249 52.924 1.00 22.58 ATOM 197 CG GLU H 34 17.725 106.874 53.242 1.00 23.52 ATOM 198 CD GLU H 34 17.601 108.092 54.135 1.00 27.51 ATOM 199 OE1 GLU H 34 16.753 108.967 53.850 1.00 22.00 ATOM 200 OE2 GLU H 34 18.359 108.174 55.123 1.00 24.80 ATOM 201 N ASN H 35 13.786 104.356 53.378 1.00 26.52 ATOM 202 CA ASN H 35 12.385 104.098 53.024 1.00 27.23 ATOM 203 C ASN H 35 11.521 103.646 54.201 1.00 29.13 ATOM 204 O ASN H 35 10.407 103.135 54.030 1.00 30.59 ATOM 205 CB ASN H 35 12.291 103.126 51.840 1.00 17.70 ATOM 206 CG ASN H 35 12.495 103.828 50.502 1.00 24.59 ATOM 207 OD1 ASN H 35 11.545 104.376 49.929 1.00 17.59 ATOM 208 ND2 ASN H 35 13.745 103.888 50.037 1.00 17.10 TER