HEADER HYDROLASE 31-DEC-69 7N9Q TITLE State 3 of TcdB and FZD2 at pH5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Toxin B; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.-; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7N9Q A 2 2366 UNP P18177 TCDB_CLODI 2 2366 SEQRES 1 A 90 SER LEU VAL ASN ARG LYS GLN LEU GLU LYS MET ALA ASN SEQRES 2 A 90 VAL ARG PHE ARG THR GLN GLU ASP GLU TYR VAL ALA ILE SEQRES 3 A 90 LEU ASP ALA LEU GLU GLU TYR HIS ASN MET SER GLU ASN SEQRES 4 A 90 THR VAL VAL GLU LYS TYR LEU LYS LEU LYS ASP ILE ASN SEQRES 5 A 90 SER LEU THR ASP ILE TYR ILE ASP THR TYR LYS LYS SER SEQRES 6 A 90 GLY ARG ASN LYS ALA LEU LYS LYS PHE LYS GLU TYR LEU SEQRES 7 A 90 VAL THR GLU VAL LEU GLU LEU LYS ASN ASN ASN LEU ATOM 1 N SER A 2 255.378 245.274 231.910 1.00171.84 ATOM 2 CA SER A 2 255.145 244.416 233.065 1.00171.84 ATOM 3 C SER A 2 255.076 245.240 234.343 1.00171.84 ATOM 4 N LEU A 3 253.917 245.225 234.992 1.00193.75 ATOM 5 CA LEU A 3 253.719 245.980 236.220 1.00193.75 ATOM 6 C LEU A 3 254.406 245.343 237.420 1.00193.75 ATOM 7 N VAL A 4 255.186 244.286 237.208 1.00189.78 ATOM 8 CA VAL A 4 255.839 243.576 238.299 1.00189.78 ATOM 9 C VAL A 4 257.340 243.806 238.212 1.00189.78 ATOM 10 N ASN A 5 258.079 243.316 239.204 1.00189.24 ATOM 11 CA ASN A 5 259.526 243.455 239.208 1.00189.24 ATOM 12 C ASN A 5 260.153 242.253 239.897 1.00189.24 ATOM 13 N ARG A 6 261.421 242.015 239.560 1.00178.09 ATOM 14 CA ARG A 6 262.147 240.827 239.990 1.00178.09 ATOM 15 C ARG A 6 262.077 240.618 241.498 1.00178.09 ATOM 16 N LYS A 7 262.630 241.583 242.239 1.00163.54 ATOM 17 CA LYS A 7 262.928 241.392 243.654 1.00163.54 ATOM 18 C LYS A 7 261.691 240.989 244.448 1.00163.54 ATOM 19 N GLN A 8 260.558 241.648 244.211 1.00187.47 ATOM 20 CA GLN A 8 259.334 241.178 244.847 1.00187.47 ATOM 21 C GLN A 8 258.933 239.791 244.368 1.00187.47 ATOM 22 N LEU A 9 259.027 239.528 243.061 1.00174.41 ATOM 23 CA LEU A 9 258.553 238.251 242.538 1.00174.41 ATOM 24 C LEU A 9 259.294 237.072 243.146 1.00174.41 ATOM 25 N GLU A 10 260.546 237.254 243.568 1.00183.46 ATOM 26 CA GLU A 10 261.127 236.208 244.407 1.00183.46 ATOM 27 C GLU A 10 260.347 236.046 245.703 1.00183.46 ATOM 28 N LYS A 11 260.278 237.095 246.528 1.00197.85 ATOM 29 CA LYS A 11 259.740 236.898 247.872 1.00197.85 ATOM 30 C LYS A 11 258.286 236.441 247.853 1.00197.85 ATOM 31 N MET A 12 257.559 236.677 246.757 1.00196.15 ATOM 32 CA MET A 12 256.334 235.901 246.589 1.00196.15 ATOM 33 C MET A 12 256.643 234.430 246.335 1.00196.15 ATOM 34 N ALA A 13 257.596 234.142 245.453 1.00194.16 ATOM 35 CA ALA A 13 257.872 232.761 245.057 1.00194.16 ATOM 36 C ALA A 13 259.000 232.160 245.899 1.00194.16 ATOM 37 N ASN A 14 258.799 232.168 247.216 1.00220.49 ATOM 38 CA ASN A 14 259.690 231.465 248.131 1.00220.49 ATOM 39 C ASN A 14 258.884 230.650 249.127 1.00220.49 ATOM 40 N VAL A 15 259.346 229.429 249.383 1.00230.47 ATOM 41 CA VAL A 15 258.809 228.585 250.442 1.00230.47 ATOM 42 C VAL A 15 259.908 227.614 250.858 1.00230.47 ATOM 43 N ARG A 16 259.890 227.200 252.122 1.00209.09 ATOM 44 CA ARG A 16 260.967 226.410 252.699 1.00209.09 ATOM 45 C ARG A 16 261.081 225.055 251.997 1.00209.09 ATOM 46 N PHE A 17 262.256 224.435 252.142 1.00195.47 ATOM 47 CA PHE A 17 262.566 223.116 251.590 1.00195.47 ATOM 48 C PHE A 17 262.619 223.128 250.069 1.00195.47 ATOM 49 N ARG A 18 262.925 224.275 249.474 1.00189.07 ATOM 50 CA ARG A 18 262.931 224.406 248.028 1.00189.07 ATOM 51 C ARG A 18 264.207 225.097 247.574 1.00189.07 ATOM 52 N THR A 19 264.562 224.854 246.315 1.00208.09 ATOM 53 CA THR A 19 265.738 225.442 245.694 1.00208.09 ATOM 54 C THR A 19 265.363 225.990 244.324 1.00208.09 ATOM 55 N GLN A 20 266.200 226.894 243.823 1.00205.26 ATOM 56 CA GLN A 20 265.963 227.488 242.514 1.00205.26 ATOM 57 C GLN A 20 266.085 226.434 241.420 1.00205.26 ATOM 58 N GLU A 21 265.378 226.656 240.314 1.00217.57 ATOM 59 CA GLU A 21 265.341 225.717 239.204 1.00217.57 ATOM 60 C GLU A 21 265.834 226.387 237.928 1.00217.57 ATOM 61 N ASP A 22 266.419 225.576 237.043 1.00211.06 ATOM 62 CA ASP A 22 266.984 226.099 235.803 1.00211.06 ATOM 63 C ASP A 22 265.914 226.772 234.952 1.00211.06 ATOM 64 N GLU A 23 264.756 226.129 234.818 1.00191.92 ATOM 65 CA GLU A 23 263.648 226.772 234.125 1.00191.92 ATOM 66 C GLU A 23 263.135 227.970 234.911 1.00191.92 ATOM 67 N TYR A 24 263.177 227.894 236.242 1.00196.73 ATOM 68 CA TYR A 24 262.772 229.033 237.058 1.00196.73 ATOM 69 C TYR A 24 263.695 230.225 236.838 1.00196.73 ATOM 70 N VAL A 25 265.009 229.993 236.850 1.00191.13 ATOM 71 CA VAL A 25 265.920 231.104 236.608 1.00191.13 ATOM 72 C VAL A 25 265.825 231.562 235.160 1.00191.13 ATOM 73 N ALA A 26 265.431 230.674 234.245 1.00197.56 ATOM 74 CA ALA A 26 265.141 231.112 232.883 1.00197.56 ATOM 75 C ALA A 26 263.955 232.066 232.863 1.00197.56 ATOM 76 N ILE A 27 262.927 231.754 233.650 1.00201.28 ATOM 77 CA ILE A 27 261.804 232.668 233.823 1.00201.28 ATOM 78 C ILE A 27 262.315 234.018 234.298 1.00201.28 ATOM 79 N LEU A 28 263.184 233.996 235.308 1.00192.68 ATOM 80 CA LEU A 28 263.724 235.243 235.839 1.00192.68 ATOM 81 C LEU A 28 264.491 236.012 234.773 1.00192.68 ATOM 82 N ASP A 29 265.299 235.306 233.977 1.00216.04 ATOM 83 CA ASP A 29 266.093 235.955 232.940 1.00216.04 ATOM 84 C ASP A 29 265.194 236.637 231.921 1.00216.04 ATOM 85 N ALA A 30 264.141 235.935 231.489 1.00205.21 ATOM 86 CA ALA A 30 263.134 236.560 230.641 1.00205.21 ATOM 87 C ALA A 30 262.574 237.799 231.317 1.00205.21 ATOM 88 N LEU A 31 262.391 237.720 232.635 1.00209.67 ATOM 89 CA LEU A 31 261.811 238.831 233.373 1.00209.67 ATOM 90 C LEU A 31 262.673 240.081 233.256 1.00209.67 ATOM 91 N GLU A 32 263.978 239.979 233.543 1.00200.54 ATOM 92 CA GLU A 32 264.761 241.213 233.432 1.00200.54 ATOM 93 C GLU A 32 264.855 241.652 231.978 1.00200.54 ATOM 94 N GLU A 33 265.092 240.710 231.053 1.00197.97 ATOM 95 CA GLU A 33 265.317 241.139 229.675 1.00197.97 ATOM 96 C GLU A 33 264.094 241.850 229.116 1.00197.97 ATOM 97 N TYR A 34 262.904 241.533 229.628 1.00209.10 ATOM 98 CA TYR A 34 261.773 242.427 229.412 1.00209.10 ATOM 99 C TYR A 34 261.964 243.745 230.149 1.00209.10 ATOM 100 N HIS A 35 262.281 243.674 231.443 1.00201.38 ATOM 101 CA HIS A 35 262.147 244.844 232.303 1.00201.38 ATOM 102 C HIS A 35 263.198 245.905 232.010 1.00201.38 ATOM 103 N ASN A 36 264.385 245.503 231.571 1.00201.45 ATOM 104 CA ASN A 36 265.504 246.425 231.450 1.00201.45 ATOM 105 C ASN A 36 265.475 247.234 230.162 1.00201.45 ATOM 106 N MET A 37 264.504 246.995 229.287 1.00215.06 ATOM 107 CA MET A 37 264.497 247.632 227.980 1.00215.06 ATOM 108 C MET A 37 263.137 248.256 227.714 1.00215.06 ATOM 109 N SER A 38 263.149 249.391 227.015 1.00239.08 ATOM 110 CA SER A 38 261.920 250.077 226.625 1.00239.08 ATOM 111 C SER A 38 261.916 250.569 225.187 1.00239.08 ATOM 112 N GLU A 39 263.055 250.612 224.506 1.00229.73 ATOM 113 CA GLU A 39 263.117 251.049 223.123 1.00229.73 ATOM 114 C GLU A 39 262.597 249.936 222.212 1.00229.73 ATOM 115 N ASN A 40 262.268 250.323 220.972 1.00223.01 ATOM 116 CA ASN A 40 261.707 249.505 219.893 1.00223.01 ATOM 117 C ASN A 40 260.187 249.578 219.909 1.00223.01 ATOM 118 N THR A 41 259.550 248.941 218.933 1.00198.65 ATOM 119 CA THR A 41 258.103 248.975 218.823 1.00198.65 ATOM 120 C THR A 41 257.465 248.055 219.856 1.00198.65 ATOM 121 N VAL A 42 256.133 248.089 219.900 1.00191.87 ATOM 122 CA VAL A 42 255.402 247.215 220.803 1.00191.87 ATOM 123 C VAL A 42 255.387 245.777 220.309 1.00191.87 ATOM 124 N VAL A 43 255.653 245.553 219.021 1.00191.24 ATOM 125 CA VAL A 43 255.501 244.216 218.451 1.00191.24 ATOM 126 C VAL A 43 256.480 243.241 219.092 1.00191.24 ATOM 127 N GLU A 44 257.745 243.644 219.222 1.00211.33 ATOM 128 CA GLU A 44 258.728 242.775 219.858 1.00211.33 ATOM 129 C GLU A 44 258.380 242.535 221.320 1.00211.33 ATOM 130 N LYS A 45 257.885 243.568 222.004 1.00201.74 ATOM 131 CA LYS A 45 257.442 243.398 223.383 1.00201.74 ATOM 132 C LYS A 45 256.345 242.349 223.468 1.00201.74 ATOM 133 N TYR A 46 255.391 242.411 222.545 1.00206.34 ATOM 134 CA TYR A 46 254.275 241.474 222.540 1.00206.34 ATOM 135 C TYR A 46 254.766 240.057 222.259 1.00206.34 ATOM 136 N LEU A 47 255.712 239.923 221.329 1.00188.47 ATOM 137 CA LEU A 47 256.275 238.611 221.033 1.00188.47 ATOM 138 C LEU A 47 256.990 238.025 222.245 1.00188.47 ATOM 139 N LYS A 48 257.782 238.831 222.954 1.00192.85 ATOM 140 CA LYS A 48 258.424 238.274 224.137 1.00192.85 ATOM 141 C LYS A 48 257.445 238.084 225.287 1.00192.85 ATOM 142 N LEU A 49 256.296 238.761 225.269 1.00188.58 ATOM 143 CA LEU A 49 255.221 238.366 226.172 1.00188.58 ATOM 144 C LEU A 49 254.770 236.942 225.885 1.00188.58 ATOM 145 N LYS A 50 254.569 236.609 224.605 1.00201.39 ATOM 146 CA LYS A 50 254.283 235.213 224.268 1.00201.39 ATOM 147 C LYS A 50 255.381 234.297 224.782 1.00201.39 ATOM 148 N ASP A 51 256.636 234.697 224.580 1.00218.01 ATOM 149 CA ASP A 51 257.752 233.853 224.999 1.00218.01 ATOM 150 C ASP A 51 257.721 233.607 226.504 1.00218.01 ATOM 151 N ILE A 52 257.508 234.668 227.283 1.00187.82 ATOM 152 CA ILE A 52 257.477 234.549 228.736 1.00187.82 ATOM 153 C ILE A 52 256.332 233.647 229.168 1.00187.82 ATOM 154 N ASN A 53 255.148 233.862 228.595 1.00190.13 ATOM 155 CA ASN A 53 254.001 233.051 228.981 1.00190.13 ATOM 156 C ASN A 53 254.222 231.585 228.634 1.00190.13 ATOM 157 N SER A 54 254.795 231.319 227.458 1.00196.11 ATOM 158 CA SER A 54 255.045 229.946 227.037 1.00196.11 ATOM 159 C SER A 54 256.033 229.259 227.968 1.00196.11 ATOM 160 N LEU A 55 257.142 229.928 228.280 1.00196.21 ATOM 161 CA LEU A 55 258.097 229.313 229.192 1.00196.21 ATOM 162 C LEU A 55 257.473 229.089 230.564 1.00196.21 ATOM 163 N THR A 56 256.633 230.022 231.017 1.00189.41 ATOM 164 CA THR A 56 256.011 229.864 232.326 1.00189.41 ATOM 165 C THR A 56 255.103 228.642 232.368 1.00189.41 ATOM 166 N ASP A 57 254.212 228.484 231.382 1.00199.69 ATOM 167 CA ASP A 57 253.275 227.369 231.524 1.00199.69 ATOM 168 C ASP A 57 253.940 226.040 231.189 1.00199.69 ATOM 169 N ILE A 58 255.009 226.044 230.385 1.00196.94 ATOM 170 CA ILE A 58 255.797 224.821 230.264 1.00196.94 ATOM 171 C ILE A 58 256.406 224.451 231.610 1.00196.94 ATOM 172 N TYR A 59 256.923 225.441 232.344 1.00201.73 ATOM 173 CA TYR A 59 257.440 225.151 233.677 1.00201.73 ATOM 174 C TYR A 59 256.336 224.625 234.587 1.00201.73 ATOM 175 N ILE A 60 255.137 225.197 234.478 1.00197.99 ATOM 176 CA ILE A 60 253.991 224.687 235.228 1.00197.99 ATOM 177 C ILE A 60 253.779 223.212 234.925 1.00197.99 ATOM 178 N ASP A 61 253.792 222.863 233.640 1.00201.41 ATOM 179 CA ASP A 61 253.562 221.479 233.245 1.00201.41 ATOM 180 C ASP A 61 254.636 220.560 233.811 1.00201.41 ATOM 181 N THR A 62 255.896 220.996 233.768 1.00208.24 ATOM 182 CA THR A 62 256.990 220.133 234.206 1.00208.24 ATOM 183 C THR A 62 256.890 219.817 235.694 1.00208.24 ATOM 184 N TYR A 63 256.781 220.849 236.531 1.00204.91 ATOM 185 CA TYR A 63 256.719 220.671 237.983 1.00204.91 ATOM 186 C TYR A 63 255.292 220.912 238.461 1.00204.91 ATOM 187 N LYS A 64 254.546 219.820 238.583 1.00179.44 ATOM 188 CA LYS A 64 253.249 219.867 239.232 1.00179.44 ATOM 189 C LYS A 64 253.429 219.850 240.748 1.00179.44 ATOM 190 N LYS A 65 252.342 220.148 241.459 1.00157.92 ATOM 191 CA LYS A 65 252.350 220.183 242.921 1.00157.92 ATOM 192 C LYS A 65 253.408 221.153 243.438 1.00157.92 ATOM 193 N SER A 66 253.499 222.310 242.797 1.00154.19 ATOM 194 CA SER A 66 254.461 223.330 243.178 1.00154.19 ATOM 195 C SER A 66 253.785 224.370 244.056 1.00154.19 ATOM 196 N GLY A 67 254.462 224.749 245.136 1.00160.19 ATOM 197 CA GLY A 67 253.913 225.736 246.043 1.00160.19 ATOM 198 C GLY A 67 253.997 227.162 245.557 1.00160.19 ATOM 199 N ARG A 68 254.693 227.398 244.453 1.00178.09 ATOM 200 CA ARG A 68 254.828 228.731 243.889 1.00178.09 ATOM 201 C ARG A 68 253.732 229.061 242.888 1.00178.09 ATOM 202 N ASN A 69 252.780 228.151 242.676 1.00159.61 ATOM 203 CA ASN A 69 251.815 228.325 241.597 1.00159.61 ATOM 204 C ASN A 69 250.980 229.585 241.769 1.00159.61 ATOM 205 N LYS A 70 250.671 229.961 243.011 1.00160.60 ATOM 206 CA LYS A 70 249.781 231.094 243.241 1.00160.60 ATOM 207 C LYS A 70 250.346 232.364 242.626 1.00160.60 ATOM 208 N ALA A 71 251.599 232.683 242.955 1.00185.56 ATOM 209 CA ALA A 71 252.227 233.875 242.400 1.00185.56 ATOM 210 C ALA A 71 252.303 233.791 240.886 1.00185.56 ATOM 211 N LEU A 72 252.423 232.579 240.349 1.00169.18 ATOM 212 CA LEU A 72 252.510 232.416 238.905 1.00169.18 ATOM 213 C LEU A 72 251.190 232.774 238.233 1.00169.18 ATOM 214 N LYS A 73 250.078 232.267 238.762 1.00152.38 ATOM 215 CA LYS A 73 248.776 232.653 238.226 1.00152.38 ATOM 216 C LYS A 73 248.526 234.144 238.401 1.00152.38 ATOM 217 N LYS A 74 248.880 234.696 239.565 1.00173.74 ATOM 218 CA LYS A 74 248.712 236.134 239.739 1.00173.74 ATOM 219 C LYS A 74 249.524 236.908 238.708 1.00173.74 ATOM 220 N PHE A 75 250.764 236.489 238.464 1.00170.92 ATOM 221 CA PHE A 75 251.580 237.091 237.421 1.00170.92 ATOM 222 C PHE A 75 250.899 236.967 236.071 1.00170.92 ATOM 223 N LYS A 76 250.182 235.864 235.856 1.00156.22 ATOM 224 CA LYS A 76 249.410 235.707 234.631 1.00156.22 ATOM 225 C LYS A 76 248.394 236.828 234.474 1.00156.22 ATOM 226 N GLU A 77 247.570 237.068 235.499 1.00183.63 ATOM 227 CA GLU A 77 246.586 238.122 235.239 1.00183.63 ATOM 228 C GLU A 77 247.215 239.510 235.247 1.00183.63 ATOM 229 N TYR A 78 248.321 239.734 235.964 1.00196.40 ATOM 230 CA TYR A 78 248.967 241.036 235.807 1.00196.40 ATOM 231 C TYR A 78 249.494 241.215 234.391 1.00196.40 ATOM 232 N LEU A 79 249.999 240.141 233.782 1.00190.44 ATOM 233 CA LEU A 79 250.385 240.215 232.378 1.00190.44 ATOM 234 C LEU A 79 249.188 240.551 231.502 1.00190.44 ATOM 235 N VAL A 80 248.038 239.938 231.785 1.00170.99 ATOM 236 CA VAL A 80 246.834 240.233 231.011 1.00170.99 ATOM 237 C VAL A 80 246.465 241.705 231.148 1.00170.99 ATOM 238 N THR A 81 246.505 242.221 232.374 1.00183.82 ATOM 239 CA THR A 81 246.185 243.627 232.592 1.00183.82 ATOM 240 C THR A 81 247.160 244.534 231.857 1.00183.82 ATOM 241 N GLU A 82 248.451 244.207 231.899 1.00185.32 ATOM 242 CA GLU A 82 249.437 245.034 231.214 1.00185.32 ATOM 243 C GLU A 82 249.215 245.028 229.709 1.00185.32 ATOM 244 N VAL A 83 248.953 243.853 229.132 1.00174.24 ATOM 245 CA VAL A 83 248.763 243.791 227.687 1.00174.24 ATOM 246 C VAL A 83 247.489 244.523 227.293 1.00174.24 ATOM 247 N LEU A 84 246.455 244.459 228.133 1.00181.24 ATOM 248 CA LEU A 84 245.287 245.298 227.895 1.00181.24 ATOM 249 C LEU A 84 245.664 246.772 227.938 1.00181.24 ATOM 250 N GLU A 85 246.508 247.151 228.897 1.00181.51 ATOM 251 CA GLU A 85 246.850 248.556 229.081 1.00181.51 ATOM 252 C GLU A 85 247.607 249.105 227.881 1.00181.51 ATOM 253 N LEU A 86 248.526 248.311 227.323 1.00176.87 ATOM 254 CA LEU A 86 249.507 248.866 226.395 1.00176.87 ATOM 255 C LEU A 86 248.850 249.499 225.176 1.00176.87 ATOM 256 N LYS A 87 247.747 248.929 224.689 1.00199.95 ATOM 257 CA LYS A 87 247.089 249.532 223.535 1.00199.95 ATOM 258 C LYS A 87 246.482 250.886 223.874 1.00199.95 ATOM 259 N ASN A 88 246.102 251.099 225.136 1.00196.72 ATOM 260 CA ASN A 88 245.353 252.299 225.493 1.00196.72 ATOM 261 C ASN A 88 246.170 253.564 225.268 1.00196.72 ATOM 262 N ASN A 89 247.417 253.574 225.720 1.00197.50 ATOM 263 CA ASN A 89 248.264 254.753 225.631 1.00197.50 ATOM 264 C ASN A 89 249.112 254.791 224.366 1.00197.50 ATOM 265 N ASN A 90 248.841 253.916 223.398 1.00211.64 ATOM 266 CA ASN A 90 249.613 253.859 222.164 1.00211.64 ATOM 267 C ASN A 90 248.793 254.124 220.909 1.00211.64 ATOM 268 N LEU A 91 247.501 254.411 221.036 1.00254.52 ATOM 269 CA LEU A 91 246.672 254.644 219.861 1.00254.52 ATOM 270 C LEU A 91 247.117 255.903 219.126 1.00254.52 TER