HEADER IMMUNE SYSTEM 13-SEP-10 2XRC TITLE HUMAN COMPLEMENT FACTOR I COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN COMPLEMENT FACTOR I; COMPND 3 CHAIN: A, B, C, D; COMPND 4 EC: 3.4.21.45; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.69 ANGSTORMS DBREF 2XRC C 1 565 UNP P05156 CFAI_HUMAN 19 583 MODRES 2XRC ASN C 52 ASN GLYCOSYLATION SITE MODRES 2XRC ASN C 85 ASN GLYCOSYLATION SITE MODRES 2XRC ASN C 446 ASN GLYCOSYLATION SITE MODRES 2XRC ASN C 476 ASN GLYCOSYLATION SITE MODRES 2XRC ASN C 518 ASN GLYCOSYLATION SITE SEQRES 1 C 36 ASP GLN SER ASP GLU LEU CYS CYS LYS ALA CYS GLN GLY SEQRES 2 C 36 LYS GLY PHE HIS CYS LYS SER GLY VAL CYS ILE PRO SER SEQRES 3 C 36 GLN TYR GLN CYS ASN GLY GLU VAL ASP CYS ATOM 1 N ASP C 231 20.876 -54.449 -10.089 1.00 37.42 ATOM 2 CA ASP C 231 21.352 -53.068 -10.237 1.00 36.87 ATOM 3 C ASP C 231 21.521 -52.338 -8.893 1.00 36.35 ATOM 4 O ASP C 231 21.825 -51.147 -8.869 1.00 35.74 ATOM 5 CB ASP C 231 20.413 -52.271 -11.160 1.00 36.90 ATOM 6 CG ASP C 231 19.047 -51.981 -10.529 1.00 37.74 ATOM 7 OD1 ASP C 231 18.763 -52.459 -9.409 1.00 35.25 ATOM 8 OD2 ASP C 231 18.249 -51.257 -11.166 1.00 39.31 ATOM 9 N GLN C 232 21.285 -53.052 -7.792 1.00 36.62 ATOM 10 CA GLN C 232 21.530 -52.558 -6.430 1.00 35.11 ATOM 11 C GLN C 232 20.555 -51.483 -5.948 1.00 35.90 ATOM 12 O GLN C 232 20.776 -50.892 -4.894 1.00 37.46 ATOM 13 CB GLN C 232 22.964 -52.032 -6.299 1.00 34.59 ATOM 14 CG GLN C 232 23.570 -52.218 -4.913 1.00 34.28 ATOM 15 CD GLN C 232 24.761 -51.313 -4.660 1.00 33.89 ATOM 16 OE1 GLN C 232 25.312 -50.711 -5.585 1.00 32.88 ATOM 17 NE2 GLN C 232 25.168 -51.218 -3.398 1.00 33.81 ATOM 18 N SER C 233 19.472 -51.248 -6.685 1.00 36.31 ATOM 19 CA SER C 233 18.562 -50.132 -6.383 1.00 38.05 ATOM 20 C SER C 233 17.839 -50.260 -5.039 1.00 39.49 ATOM 21 O SER C 233 17.507 -49.252 -4.414 1.00 41.10 ATOM 22 CB SER C 233 17.526 -49.959 -7.495 1.00 38.73 ATOM 23 OG SER C 233 18.145 -49.544 -8.697 1.00 40.89 ATOM 24 N ASP C 234 17.602 -51.490 -4.596 1.00 39.94 ATOM 25 CA ASP C 234 16.849 -51.724 -3.360 1.00 41.60 ATOM 26 C ASP C 234 17.660 -51.474 -2.086 1.00 43.42 ATOM 27 O ASP C 234 17.107 -51.545 -0.984 1.00 46.69 ATOM 28 CB ASP C 234 16.243 -53.138 -3.335 1.00 42.08 ATOM 29 CG ASP C 234 17.290 -54.238 -3.384 1.00 42.86 ATOM 30 OD1 ASP C 234 17.213 -55.177 -2.558 1.00 43.68 ATOM 31 OD2 ASP C 234 18.187 -54.171 -4.250 1.00 43.34 ATOM 32 N GLU C 235 18.949 -51.166 -2.233 1.00 42.45 ATOM 33 CA GLU C 235 19.838 -50.934 -1.083 1.00 40.81 ATOM 34 C GLU C 235 20.525 -49.571 -1.115 1.00 39.65 ATOM 35 O GLU C 235 21.639 -49.430 -0.615 1.00 38.25 ATOM 36 CB GLU C 235 20.906 -52.027 -1.027 1.00 40.89 ATOM 37 CG GLU C 235 20.339 -53.422 -1.007 1.00 41.99 ATOM 38 CD GLU C 235 19.433 -53.643 0.180 1.00 43.07 ATOM 39 OE1 GLU C 235 19.925 -53.545 1.325 1.00 42.32 ATOM 40 OE2 GLU C 235 18.233 -53.922 -0.032 1.00 42.96 ATOM 41 N LEU C 236 19.863 -48.576 -1.701 1.00 40.04 ATOM 42 CA LEU C 236 20.428 -47.225 -1.818 1.00 41.46 ATOM 43 C LEU C 236 19.554 -46.115 -1.225 1.00 44.97 ATOM 44 O LEU C 236 20.025 -44.987 -1.043 1.00 45.42 ATOM 45 CB LEU C 236 20.728 -46.908 -3.284 1.00 39.53 ATOM 46 CG LEU C 236 21.705 -47.865 -3.967 1.00 38.46 ATOM 47 CD1 LEU C 236 21.957 -47.415 -5.394 1.00 39.27 ATOM 48 CD2 LEU C 236 23.015 -47.981 -3.199 1.00 37.77 ATOM 49 N CYS C 237 18.293 -46.431 -0.936 1.00 48.76 ATOM 50 CA CYS C 237 17.355 -45.484 -0.334 1.00 49.73 ATOM 51 C CYS C 237 16.930 -45.993 1.039 1.00 47.16 ATOM 52 O CYS C 237 15.756 -46.268 1.281 1.00 47.22 ATOM 53 CB CYS C 237 16.150 -45.294 -1.258 1.00 53.31 ATOM 54 SG CYS C 237 16.403 -43.997 -2.473 1.00 59.55 ATOM 55 N CYS C 238 17.901 -46.092 1.942 1.00 46.69 ATOM 56 CA CYS C 238 17.722 -46.818 3.200 1.00 47.45 ATOM 57 C CYS C 238 18.079 -46.028 4.461 1.00 48.47 ATOM 58 O CYS C 238 19.249 -45.749 4.731 1.00 44.49 ATOM 59 CB CYS C 238 18.536 -48.108 3.154 1.00 47.55 ATOM 60 SG CYS C 238 18.034 -49.192 1.809 1.00 46.29 ATOM 61 N LYS C 239 17.046 -45.693 5.233 1.00 51.87 ATOM 62 CA LYS C 239 17.195 -45.044 6.538 1.00 52.50 ATOM 63 C LYS C 239 17.886 -45.967 7.545 1.00 53.70 ATOM 64 O LYS C 239 18.598 -45.504 8.439 1.00 53.31 ATOM 65 CB LYS C 239 15.825 -44.642 7.089 1.00 53.19 ATOM 66 CG LYS C 239 15.054 -43.652 6.227 1.00 54.82 ATOM 67 CD LYS C 239 13.723 -43.281 6.881 1.00 56.19 ATOM 68 CE LYS C 239 13.076 -42.069 6.219 1.00 56.78 ATOM 69 NZ LYS C 239 11.956 -41.518 7.036 1.00 54.78 ATOM 70 N ALA C 240 17.656 -47.269 7.398 1.00 54.63 ATOM 71 CA ALA C 240 18.261 -48.279 8.266 1.00 55.98 ATOM 72 C ALA C 240 18.121 -49.664 7.641 1.00 57.53 ATOM 73 O ALA C 240 17.364 -49.847 6.689 1.00 62.84 ATOM 74 CB ALA C 240 17.619 -48.252 9.643 1.00 55.44 ATOM 75 N CYS C 241 18.845 -50.633 8.192 1.00 57.58 ATOM 76 CA CYS C 241 18.893 -51.986 7.640 1.00 56.43 ATOM 77 C CYS C 241 18.085 -52.977 8.480 1.00 59.61 ATOM 78 O CYS C 241 18.014 -52.846 9.705 1.00 57.24 ATOM 79 CB CYS C 241 20.347 -52.455 7.545 1.00 55.27 ATOM 80 SG CYS C 241 21.467 -51.265 6.751 1.00 54.26 ATOM 81 N GLN C 242 17.481 -53.964 7.812 1.00 61.66 ATOM 82 CA GLN C 242 16.749 -55.046 8.484 1.00 61.97 ATOM 83 C GLN C 242 17.400 -56.402 8.199 1.00 64.06 ATOM 84 O GLN C 242 17.146 -57.030 7.168 1.00 64.94 ATOM 85 CB GLN C 242 15.265 -55.060 8.080 1.00 63.57 ATOM 86 CG GLN C 242 14.981 -55.180 6.576 1.00 64.05 ATOM 87 CD GLN C 242 13.496 -55.148 6.249 1.00 64.07 ATOM 88 OE1 GLN C 242 12.645 -55.140 7.141 1.00 62.75 ATOM 89 NE2 GLN C 242 13.180 -55.135 4.958 1.00 63.39 ATOM 90 N GLY C 243 18.245 -56.845 9.124 1.00 63.82 ATOM 91 CA GLY C 243 18.938 -58.124 8.988 1.00 63.20 ATOM 92 C GLY C 243 20.223 -58.148 9.793 1.00 64.88 ATOM 93 O GLY C 243 20.230 -57.797 10.976 1.00 64.66 ATOM 94 N LYS C 244 21.309 -58.559 9.145 1.00 65.13 ATOM 95 CA LYS C 244 22.627 -58.635 9.788 1.00 64.10 ATOM 96 C LYS C 244 23.652 -57.742 9.084 1.00 61.29 ATOM 97 O LYS C 244 24.859 -57.909 9.265 1.00 63.45 ATOM 98 CB LYS C 244 23.119 -60.090 9.840 1.00 65.45 ATOM 99 CG LYS C 244 23.126 -60.820 8.496 1.00 65.16 ATOM 100 CD LYS C 244 23.684 -62.238 8.615 1.00 64.54 ATOM 101 CE LYS C 244 25.200 -62.248 8.775 1.00 65.33 ATOM 102 NZ LYS C 244 25.900 -61.566 7.647 1.00 64.30 ATOM 103 N GLY C 245 23.163 -56.785 8.298 1.00 56.97 ATOM 104 CA GLY C 245 24.024 -55.856 7.570 1.00 53.61 ATOM 105 C GLY C 245 24.353 -54.614 8.378 1.00 52.20 ATOM 106 O GLY C 245 24.126 -54.569 9.589 1.00 49.68 ATOM 107 N PHE C 246 24.885 -53.604 7.694 1.00 50.07 ATOM 108 CA PHE C 246 25.326 -52.365 8.326 1.00 48.02 ATOM 109 C PHE C 246 24.895 -51.151 7.511 1.00 43.95 ATOM 110 O PHE C 246 24.924 -51.171 6.284 1.00 41.61 ATOM 111 CB PHE C 246 26.846 -52.366 8.481 1.00 51.55 ATOM 112 CG PHE C 246 27.387 -51.149 9.180 1.00 54.49 ATOM 113 CD1 PHE C 246 27.046 -50.883 10.499 1.00 55.72 ATOM 114 CD2 PHE C 246 28.254 -50.281 8.525 1.00 57.49 ATOM 115 CE1 PHE C 246 27.551 -49.764 11.154 1.00 59.66 ATOM 116 CE2 PHE C 246 28.764 -49.159 9.169 1.00 57.90 ATOM 117 CZ PHE C 246 28.413 -48.900 10.486 1.00 59.95 ATOM 118 N HIS C 247 24.510 -50.092 8.215 1.00 41.13 ATOM 119 CA HIS C 247 24.004 -48.875 7.595 1.00 37.10 ATOM 120 C HIS C 247 25.138 -47.905 7.280 1.00 38.66 ATOM 121 O HIS C 247 25.967 -47.606 8.143 1.00 38.59 ATOM 122 CB HIS C 247 22.993 -48.208 8.526 1.00 33.42 ATOM 123 CG HIS C 247 22.322 -47.008 7.937 1.00 30.82 ATOM 124 ND1 HIS C 247 22.577 -45.723 8.369 1.00 29.35 ATOM 125 CD2 HIS C 247 21.397 -46.898 6.955 1.00 29.73 ATOM 126 CE1 HIS C 247 21.836 -44.874 7.679 1.00 29.36 ATOM 127 NE2 HIS C 247 21.112 -45.562 6.814 1.00 29.84 ATOM 128 N CYS C 248 25.175 -47.435 6.035 1.00 39.06 ATOM 129 CA CYS C 248 26.047 -46.334 5.648 1.00 39.93 ATOM 130 C CYS C 248 25.303 -45.035 5.900 1.00 40.21 ATOM 131 O CYS C 248 24.130 -44.904 5.546 1.00 39.20 ATOM 132 CB CYS C 248 26.423 -46.398 4.163 1.00 40.96 ATOM 133 SG CYS C 248 27.202 -47.926 3.597 1.00 41.11 ATOM 134 N LYS C 249 26.002 -44.073 6.491 1.00 42.31 ATOM 135 CA LYS C 249 25.468 -42.726 6.734 1.00 43.74 ATOM 136 C LYS C 249 24.897 -42.062 5.464 1.00 43.58 ATOM 137 O LYS C 249 24.050 -41.176 5.555 1.00 45.37 ATOM 138 CB LYS C 249 26.566 -41.869 7.379 1.00 44.70 ATOM 139 CG LYS C 249 26.391 -40.363 7.313 1.00 46.08 ATOM 140 CD LYS C 249 27.517 -39.677 8.084 1.00 45.80 ATOM 141 CE LYS C 249 28.155 -38.579 7.269 1.00 45.70 ATOM 142 NZ LYS C 249 29.330 -37.979 7.953 1.00 46.60 ATOM 143 N SER C 250 25.350 -42.512 4.294 1.00 42.65 ATOM 144 CA SER C 250 24.863 -42.012 2.996 1.00 40.85 ATOM 145 C SER C 250 23.426 -42.414 2.642 1.00 39.48 ATOM 146 O SER C 250 22.866 -41.911 1.664 1.00 38.68 ATOM 147 CB SER C 250 25.782 -42.509 1.882 1.00 40.20 ATOM 148 OG SER C 250 25.837 -43.924 1.887 1.00 41.50 ATOM 149 N GLY C 251 22.846 -43.327 3.416 1.00 38.76 ATOM 150 CA GLY C 251 21.512 -43.869 3.127 1.00 38.20 ATOM 151 C GLY C 251 21.574 -45.192 2.379 1.00 36.16 ATOM 152 O GLY C 251 20.709 -45.490 1.560 1.00 35.37 ATOM 153 N VAL C 252 22.590 -45.992 2.693 1.00 34.99 ATOM 154 CA VAL C 252 22.906 -47.219 1.964 1.00 34.39 ATOM 155 C VAL C 252 23.168 -48.343 2.965 1.00 35.17 ATOM 156 O VAL C 252 23.768 -48.115 4.013 1.00 36.00 ATOM 157 CB VAL C 252 24.162 -47.010 1.063 1.00 33.61 ATOM 158 CG1 VAL C 252 24.678 -48.333 0.496 1.00 32.95 ATOM 159 CG2 VAL C 252 23.863 -46.021 -0.055 1.00 31.55 ATOM 160 N CYS C 253 22.707 -49.549 2.651 1.00 37.20 ATOM 161 CA CYS C 253 22.964 -50.718 3.499 1.00 39.07 ATOM 162 C CYS C 253 24.027 -51.592 2.854 1.00 37.63 ATOM 163 O CYS C 253 24.125 -51.651 1.630 1.00 37.15 ATOM 164 CB CYS C 253 21.686 -51.530 3.731 1.00 41.91 ATOM 165 SG CYS C 253 20.569 -50.832 4.972 1.00 48.49 ATOM 166 N ILE C 254 24.836 -52.242 3.687 1.00 36.87 ATOM 167 CA ILE C 254 25.831 -53.205 3.227 1.00 39.48 ATOM 168 C ILE C 254 25.862 -54.399 4.188 1.00 40.52 ATOM 169 O ILE C 254 25.483 -54.257 5.346 1.00 42.71 ATOM 170 CB ILE C 254 27.246 -52.567 3.108 1.00 40.33 ATOM 171 CG1 ILE C 254 27.830 -52.223 4.479 1.00 40.92 ATOM 172 CG2 ILE C 254 27.203 -51.314 2.237 1.00 38.45 ATOM 173 CD1 ILE C 254 29.185 -51.535 4.398 1.00 42.02 ATOM 174 N PRO C 255 26.296 -55.581 3.713 1.00 41.63 ATOM 175 CA PRO C 255 26.440 -56.722 4.627 1.00 42.47 ATOM 176 C PRO C 255 27.558 -56.534 5.665 1.00 44.25 ATOM 177 O PRO C 255 28.532 -55.833 5.394 1.00 44.91 ATOM 178 CB PRO C 255 26.771 -57.891 3.688 1.00 42.96 ATOM 179 CG PRO C 255 26.322 -57.456 2.335 1.00 42.82 ATOM 180 CD PRO C 255 26.501 -55.971 2.306 1.00 43.26 ATOM 181 N SER C 256 27.402 -57.160 6.835 1.00 43.59 ATOM 182 CA SER C 256 28.388 -57.078 7.926 1.00 43.60 ATOM 183 C SER C 256 29.823 -57.302 7.459 1.00 45.62 ATOM 184 O SER C 256 30.726 -56.552 7.831 1.00 47.62 ATOM 185 CB SER C 256 28.073 -58.097 9.032 1.00 43.95 ATOM 186 OG SER C 256 27.277 -57.528 10.057 1.00 43.52 ATOM 187 N GLN C 257 30.025 -58.338 6.648 1.00 46.53 ATOM 188 CA GLN C 257 31.369 -58.720 6.188 1.00 47.19 ATOM 189 C GLN C 257 32.058 -57.645 5.327 1.00 48.51 ATOM 190 O GLN C 257 33.274 -57.694 5.120 1.00 50.85 ATOM 191 CB GLN C 257 31.339 -60.068 5.449 1.00 48.70 ATOM 192 CG GLN C 257 30.428 -60.139 4.211 1.00 49.36 ATOM 193 CD GLN C 257 29.035 -60.679 4.517 1.00 49.65 ATOM 194 OE1 GLN C 257 28.411 -60.296 5.509 1.00 50.28 ATOM 195 NE2 GLN C 257 28.541 -61.566 3.659 1.00 47.44 ATOM 196 N TYR C 258 31.284 -56.674 4.841 1.00 46.71 ATOM 197 CA TYR C 258 31.831 -55.534 4.102 1.00 45.51 ATOM 198 C TYR C 258 32.455 -54.475 5.040 1.00 44.45 ATOM 199 O TYR C 258 32.940 -53.439 4.579 1.00 42.03 ATOM 200 CB TYR C 258 30.741 -54.904 3.221 1.00 46.87 ATOM 201 CG TYR C 258 30.382 -55.701 1.976 1.00 47.09 ATOM 202 CD1 TYR C 258 29.882 -56.997 2.070 1.00 48.38 ATOM 203 CD2 TYR C 258 30.520 -55.148 0.702 1.00 47.58 ATOM 204 CE1 TYR C 258 29.546 -57.729 0.933 1.00 48.17 ATOM 205 CE2 TYR C 258 30.185 -55.873 -0.442 1.00 47.79 ATOM 206 CZ TYR C 258 29.699 -57.162 -0.317 1.00 48.21 ATOM 207 OH TYR C 258 29.365 -57.886 -1.439 1.00 48.01 ATOM 208 N GLN C 259 32.439 -54.734 6.348 1.00 42.86 ATOM 209 CA GLN C 259 33.128 -53.886 7.327 1.00 39.94 ATOM 210 C GLN C 259 34.584 -54.312 7.484 1.00 38.97 ATOM 211 O GLN C 259 34.894 -55.502 7.476 1.00 36.35 ATOM 212 CB GLN C 259 32.442 -53.972 8.689 1.00 39.66 ATOM 213 CG GLN C 259 31.006 -53.472 8.707 1.00 40.02 ATOM 214 CD GLN C 259 30.347 -53.655 10.060 1.00 40.61 ATOM 215 OE1 GLN C 259 30.604 -54.630 10.765 1.00 41.19 ATOM 216 NE2 GLN C 259 29.489 -52.716 10.429 1.00 41.32 ATOM 217 N CYS C 260 35.468 -53.329 7.625 1.00 41.83 ATOM 218 CA CYS C 260 36.891 -53.574 7.876 1.00 44.29 ATOM 219 C CYS C 260 37.436 -54.769 7.079 1.00 43.99 ATOM 220 O CYS C 260 37.859 -55.776 7.655 1.00 40.30 ATOM 221 CB CYS C 260 37.130 -53.771 9.378 1.00 46.60 ATOM 222 SG CYS C 260 36.601 -52.368 10.412 1.00 49.12 ATOM 223 N ASN C 261 37.408 -54.638 5.753 1.00 44.56 ATOM 224 CA ASN C 261 37.919 -55.669 4.840 1.00 44.70 ATOM 225 C ASN C 261 38.804 -55.094 3.724 1.00 45.90 ATOM 226 O ASN C 261 38.934 -55.694 2.651 1.00 47.41 ATOM 227 CB ASN C 261 36.757 -56.479 4.243 1.00 44.62 ATOM 228 CG ASN C 261 35.843 -55.639 3.358 1.00 45.13 ATOM 229 OD1 ASN C 261 35.790 -54.412 3.477 1.00 44.35 ATOM 230 ND2 ASN C 261 35.116 -56.300 2.467 1.00 44.46 ATOM 231 N GLY C 262 39.406 -53.933 3.982 1.00 45.14 ATOM 232 CA GLY C 262 40.369 -53.326 3.058 1.00 44.47 ATOM 233 C GLY C 262 39.786 -52.486 1.932 1.00 44.75 ATOM 234 O GLY C 262 40.536 -51.965 1.099 1.00 47.08 ATOM 235 N GLU C 263 38.461 -52.343 1.903 1.00 42.01 ATOM 236 CA GLU C 263 37.787 -51.542 0.874 1.00 39.00 ATOM 237 C GLU C 263 36.736 -50.631 1.490 1.00 36.09 ATOM 238 O GLU C 263 35.984 -51.052 2.372 1.00 34.73 ATOM 239 CB GLU C 263 37.116 -52.444 -0.167 1.00 39.80 ATOM 240 CG GLU C 263 36.548 -51.680 -1.368 1.00 40.01 ATOM 241 CD GLU C 263 35.838 -52.572 -2.366 1.00 41.51 ATOM 242 OE1 GLU C 263 35.369 -52.040 -3.398 1.00 41.65 ATOM 243 OE2 GLU C 263 35.747 -53.799 -2.126 1.00 41.76 ATOM 244 N VAL C 264 36.672 -49.396 0.998 1.00 32.37 ATOM 245 CA VAL C 264 35.700 -48.418 1.471 1.00 30.85 ATOM 246 C VAL C 264 34.420 -48.553 0.647 1.00 30.39 ATOM 247 O VAL C 264 34.336 -48.029 -0.469 1.00 30.02 ATOM 248 CB VAL C 264 36.256 -46.972 1.353 1.00 30.28 ATOM 249 CG1 VAL C 264 35.257 -45.959 1.900 1.00 28.94 ATOM 250 CG2 VAL C 264 37.589 -46.856 2.069 1.00 29.58 ATOM 251 N ASP C 265 33.429 -49.255 1.194 1.00 29.96 ATOM 252 CA ASP C 265 32.163 -49.485 0.485 1.00 29.89 ATOM 253 C ASP C 265 31.227 -48.281 0.569 1.00 32.35 ATOM 254 O ASP C 265 30.667 -47.857 -0.446 1.00 34.73 ATOM 255 CB ASP C 265 31.448 -50.717 1.023 1.00 29.16 ATOM 256 CG ASP C 265 32.323 -51.954 1.015 1.00 29.44 ATOM 257 OD1 ASP C 265 32.701 -52.436 -0.078 1.00 27.29 ATOM 258 OD2 ASP C 265 32.627 -52.452 2.118 1.00 30.31 ATOM 259 N CYS C 266 31.047 -47.738 1.771 1.00 34.04 ATOM 260 CA CYS C 266 30.231 -46.531 1.950 1.00 35.67 ATOM 261 C CYS C 266 31.018 -45.300 1.511 1.00 35.08 ATOM 262 O CYS C 266 32.188 -45.153 1.868 1.00 36.97 ATOM 263 CB CYS C 266 29.817 -46.347 3.414 1.00 37.64 ATOM 264 SG CYS C 266 29.128 -47.794 4.245 1.00 41.58 TER