HEADER TOXIN/Developmental Protein 31-DEC-69 7N97 TITLE State 2 of TcdB and FZD2 at pH5 COMPND MOL_ID: 2; COMPND 2 MOLECULE: Toxin B; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.-; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7N97 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 2 252.152 249.221 235.056 1.00255.83 ATOM 2 CA SER A 2 252.305 248.141 236.071 1.00255.83 ATOM 3 C SER A 2 253.680 247.496 235.972 1.00255.83 ATOM 4 N LEU A 3 254.664 248.121 236.610 1.00261.44 ATOM 5 CA LEU A 3 256.036 247.645 236.516 1.00261.44 ATOM 6 C LEU A 3 256.182 246.287 237.190 1.00261.44 ATOM 7 N VAL A 4 256.970 245.413 236.568 1.00263.73 ATOM 8 CA VAL A 4 257.307 244.105 237.118 1.00263.73 ATOM 9 C VAL A 4 258.812 243.925 236.977 1.00263.73 ATOM 10 N ASN A 5 259.450 243.389 238.015 1.00236.17 ATOM 11 CA ASN A 5 260.905 243.386 238.055 1.00236.17 ATOM 12 C ASN A 5 261.404 242.282 238.976 1.00236.17 ATOM 13 N ARG A 6 262.670 241.908 238.772 1.00246.95 ATOM 14 CA ARG A 6 263.355 240.998 239.684 1.00246.95 ATOM 15 C ARG A 6 263.093 241.380 241.132 1.00246.95 ATOM 16 N LYS A 7 263.403 242.631 241.478 1.00245.69 ATOM 17 CA LYS A 7 263.415 243.032 242.878 1.00245.69 ATOM 18 C LYS A 7 262.073 242.771 243.538 1.00245.69 ATOM 19 N GLN A 8 260.998 242.735 242.756 1.00237.28 ATOM 20 CA GLN A 8 259.687 242.361 243.267 1.00237.28 ATOM 21 C GLN A 8 259.306 240.927 242.944 1.00237.28 ATOM 22 N LEU A 9 259.640 240.440 241.748 1.00243.66 ATOM 23 CA LEU A 9 259.207 239.102 241.363 1.00243.66 ATOM 24 C LEU A 9 259.809 238.048 242.284 1.00243.66 ATOM 25 N GLU A 10 261.096 238.177 242.610 1.00248.96 ATOM 26 CA GLU A 10 261.696 237.258 243.570 1.00248.96 ATOM 27 C GLU A 10 261.014 237.363 244.927 1.00248.96 ATOM 28 N LYS A 11 260.748 238.587 245.387 1.00240.25 ATOM 29 CA LYS A 11 260.050 238.762 246.654 1.00240.25 ATOM 30 C LYS A 11 258.663 238.141 246.625 1.00240.25 ATOM 31 N MET A 12 258.095 237.944 245.437 1.00251.99 ATOM 32 CA MET A 12 256.892 237.128 245.332 1.00251.99 ATOM 33 C MET A 12 257.224 235.654 245.530 1.00251.99 ATOM 34 N ALA A 13 258.416 235.237 245.102 1.00246.68 ATOM 35 CA ALA A 13 258.814 233.837 245.084 1.00246.68 ATOM 36 C ALA A 13 259.580 233.413 246.333 1.00246.68 ATOM 37 N ASN A 14 259.373 234.087 247.465 1.00262.93 ATOM 38 CA ASN A 14 260.104 233.764 248.692 1.00262.93 ATOM 39 C ASN A 14 259.558 232.462 249.281 1.00262.93 ATOM 40 N VAL A 15 259.928 231.359 248.638 1.00246.87 ATOM 41 CA VAL A 15 259.545 230.021 249.075 1.00246.87 ATOM 42 C VAL A 15 260.759 229.402 249.757 1.00246.87 ATOM 43 N ARG A 16 260.742 229.398 251.086 1.00226.51 ATOM 44 CA ARG A 16 261.847 228.843 251.853 1.00226.51 ATOM 45 C ARG A 16 261.973 227.342 251.622 1.00226.51 ATOM 46 N PHE A 17 263.212 226.852 251.676 1.00223.28 ATOM 47 CA PHE A 17 263.551 225.433 251.617 1.00223.28 ATOM 48 C PHE A 17 263.453 224.838 250.219 1.00223.28 ATOM 49 N ARG A 18 263.312 225.649 249.174 1.00236.84 ATOM 50 CA ARG A 18 263.147 225.142 247.818 1.00236.84 ATOM 51 C ARG A 18 264.311 225.592 246.950 1.00236.84 ATOM 52 N THR A 19 264.955 224.629 246.296 1.00237.03 ATOM 53 CA THR A 19 266.069 224.933 245.411 1.00237.03 ATOM 54 C THR A 19 265.588 225.736 244.211 1.00237.03 ATOM 55 N GLN A 20 266.455 226.613 243.717 1.00242.71 ATOM 56 CA GLN A 20 266.103 227.446 242.580 1.00242.71 ATOM 57 C GLN A 20 265.908 226.584 241.336 1.00242.71 ATOM 58 N GLU A 21 265.030 227.044 240.448 1.00236.07 ATOM 59 CA GLU A 21 264.657 226.311 239.245 1.00236.07 ATOM 60 C GLU A 21 265.233 227.004 238.017 1.00236.07 ATOM 61 N ASP A 22 265.871 226.225 237.143 1.00258.84 ATOM 62 CA ASP A 22 266.439 226.783 235.919 1.00258.84 ATOM 63 C ASP A 22 265.394 227.553 235.116 1.00258.84 ATOM 64 N GLU A 23 264.216 226.957 234.916 1.00260.38 ATOM 65 CA GLU A 23 263.155 227.676 234.221 1.00260.38 ATOM 66 C GLU A 23 262.811 228.975 234.934 1.00260.38 ATOM 67 N TYR A 24 262.989 229.024 236.255 1.00253.16 ATOM 68 CA TYR A 24 262.742 230.265 236.977 1.00253.16 ATOM 69 C TYR A 24 263.733 231.346 236.555 1.00253.16 ATOM 70 N VAL A 25 265.012 230.987 236.404 1.00257.00 ATOM 71 CA VAL A 25 265.988 231.940 235.877 1.00257.00 ATOM 72 C VAL A 25 265.607 232.363 234.467 1.00257.00 ATOM 73 N ALA A 26 265.180 231.408 233.640 1.00260.93 ATOM 74 CA ALA A 26 264.771 231.752 232.282 1.00260.93 ATOM 75 C ALA A 26 263.661 232.794 232.302 1.00260.93 ATOM 76 N ILE A 27 262.631 232.558 233.112 1.00261.36 ATOM 77 CA ILE A 27 261.522 233.502 233.189 1.00261.36 ATOM 78 C ILE A 27 262.018 234.858 233.673 1.00261.36 ATOM 79 N LEU A 28 262.839 234.866 234.725 1.00255.93 ATOM 80 CA LEU A 28 263.295 236.128 235.296 1.00255.93 ATOM 81 C LEU A 28 264.085 236.944 234.282 1.00255.93 ATOM 82 N ASP A 29 265.094 236.331 233.660 1.00248.85 ATOM 83 CA ASP A 29 265.960 237.104 232.779 1.00248.85 ATOM 84 C ASP A 29 265.222 237.509 231.510 1.00248.85 ATOM 85 N ALA A 30 264.327 236.654 231.002 1.00264.40 ATOM 86 CA ALA A 30 263.515 237.057 229.860 1.00264.40 ATOM 87 C ALA A 30 262.655 238.266 230.209 1.00264.40 ATOM 88 N LEU A 31 262.009 238.229 231.377 1.00265.79 ATOM 89 CA LEU A 31 261.174 239.346 231.800 1.00265.79 ATOM 90 C LEU A 31 261.993 240.625 231.907 1.00265.79 ATOM 91 N GLU A 32 263.179 240.539 232.508 1.00247.77 ATOM 92 CA GLU A 32 263.979 241.744 232.701 1.00247.77 ATOM 93 C GLU A 32 264.481 242.296 231.375 1.00247.77 ATOM 94 N GLU A 33 265.049 241.441 230.523 1.00246.27 ATOM 95 CA GLU A 33 265.468 241.917 229.213 1.00246.27 ATOM 96 C GLU A 33 264.311 242.540 228.448 1.00246.27 ATOM 97 N TYR A 34 263.086 242.039 228.623 1.00247.93 ATOM 98 CA TYR A 34 261.935 242.772 228.104 1.00247.93 ATOM 99 C TYR A 34 261.777 244.118 228.798 1.00247.93 ATOM 100 N HIS A 35 262.113 244.184 230.086 1.00241.18 ATOM 101 CA HIS A 35 261.874 245.392 230.869 1.00241.18 ATOM 102 C HIS A 35 262.631 246.589 230.306 1.00241.18 ATOM 103 N ASN A 36 263.907 246.400 229.972 1.00230.32 ATOM 104 CA ASN A 36 264.793 247.545 229.784 1.00230.32 ATOM 105 C ASN A 36 264.424 248.357 228.545 1.00230.32 ATOM 106 N MET A 37 264.509 247.762 227.357 1.00233.52 ATOM 107 CA MET A 37 264.374 248.574 226.159 1.00233.52 ATOM 108 C MET A 37 262.928 249.014 225.966 1.00233.52 ATOM 109 N SER A 38 262.771 250.151 225.290 1.00260.17 ATOM 110 CA SER A 38 261.465 250.711 224.965 1.00260.17 ATOM 111 C SER A 38 261.457 251.224 223.532 1.00260.17 ATOM 112 N GLU A 39 262.019 250.445 222.611 1.00255.63 ATOM 113 CA GLU A 39 262.149 250.854 221.219 1.00255.63 ATOM 114 C GLU A 39 261.854 249.645 220.337 1.00255.63 ATOM 115 N ASN A 40 262.175 249.772 219.048 1.00249.92 ATOM 116 CA ASN A 40 261.988 248.703 218.073 1.00249.92 ATOM 117 C ASN A 40 260.507 248.441 217.830 1.00249.92 ATOM 118 N THR A 41 260.200 247.647 216.807 1.00241.64 ATOM 119 CA THR A 41 258.815 247.341 216.488 1.00241.64 ATOM 120 C THR A 41 258.174 246.532 217.610 1.00241.64 ATOM 121 N VAL A 42 256.843 246.613 217.681 1.00235.06 ATOM 122 CA VAL A 42 256.100 245.846 218.678 1.00235.06 ATOM 123 C VAL A 42 255.916 244.393 218.280 1.00235.06 ATOM 124 N VAL A 43 256.224 244.033 217.032 1.00234.66 ATOM 125 CA VAL A 43 256.076 242.644 216.604 1.00234.66 ATOM 126 C VAL A 43 257.010 241.745 217.403 1.00234.66 ATOM 127 N GLU A 44 258.284 242.131 217.489 1.00248.81 ATOM 128 CA GLU A 44 259.229 241.356 218.282 1.00248.81 ATOM 129 C GLU A 44 258.811 241.333 219.744 1.00248.81 ATOM 130 N LYS A 45 258.275 242.447 220.247 1.00246.47 ATOM 131 CA LYS A 45 257.817 242.475 221.631 1.00246.47 ATOM 132 C LYS A 45 256.715 241.452 221.863 1.00246.47 ATOM 133 N TYR A 46 255.741 241.383 220.955 1.00239.74 ATOM 134 CA TYR A 46 254.658 240.418 221.111 1.00239.74 ATOM 135 C TYR A 46 255.174 238.988 221.015 1.00239.74 ATOM 136 N LEU A 47 256.064 238.720 220.059 1.00239.75 ATOM 137 CA LEU A 47 256.601 237.369 219.927 1.00239.75 ATOM 138 C LEU A 47 257.379 236.970 221.175 1.00239.75 ATOM 139 N LYS A 48 258.155 237.899 221.725 1.00244.96 ATOM 140 CA LYS A 48 258.921 237.627 222.933 1.00244.96 ATOM 141 C LYS A 48 258.002 237.412 224.132 1.00244.96 ATOM 142 N LEU A 49 256.928 238.199 224.224 1.00245.45 ATOM 143 CA LEU A 49 255.968 238.015 225.305 1.00245.45 ATOM 144 C LEU A 49 255.295 236.650 225.220 1.00245.45 ATOM 145 N LYS A 50 254.884 236.234 224.021 1.00248.44 ATOM 146 CA LYS A 50 254.266 234.916 223.912 1.00248.44 ATOM 147 C LYS A 50 255.287 233.807 224.139 1.00248.44 ATOM 148 N ASP A 51 256.561 234.053 223.829 1.00259.12 ATOM 149 CA ASP A 51 257.593 233.071 224.148 1.00259.12 ATOM 150 C ASP A 51 257.729 232.891 225.657 1.00259.12 ATOM 151 N ILE A 52 257.758 233.998 226.402 1.00259.00 ATOM 152 CA ILE A 52 257.849 233.872 227.855 1.00259.00 ATOM 153 C ILE A 52 256.574 233.253 228.415 1.00259.00 ATOM 154 N ASN A 53 255.425 233.522 227.793 1.00266.95 ATOM 155 CA ASN A 53 254.197 232.847 228.201 1.00266.95 ATOM 156 C ASN A 53 254.305 231.342 227.988 1.00266.95 ATOM 157 N SER A 54 254.892 230.927 226.864 1.00255.44 ATOM 158 CA SER A 54 255.108 229.504 226.622 1.00255.44 ATOM 159 C SER A 54 256.022 228.908 227.683 1.00255.44 ATOM 160 N LEU A 55 257.077 229.634 228.052 1.00250.67 ATOM 161 CA LEU A 55 257.956 229.161 229.117 1.00250.67 ATOM 162 C LEU A 55 257.194 229.012 230.429 1.00250.67 ATOM 163 N THR A 56 256.334 229.982 230.745 1.00253.75 ATOM 164 CA THR A 56 255.527 229.898 231.958 1.00253.75 ATOM 165 C THR A 56 254.614 228.678 231.928 1.00253.75 ATOM 166 N ASP A 57 253.976 228.429 230.784 1.00257.50 ATOM 167 CA ASP A 57 253.101 227.269 230.662 1.00257.50 ATOM 168 C ASP A 57 253.887 225.976 230.826 1.00257.50 ATOM 169 N ILE A 58 255.094 225.922 230.263 1.00245.42 ATOM 170 CA ILE A 58 255.941 224.745 230.433 1.00245.42 ATOM 171 C ILE A 58 256.263 224.543 231.908 1.00245.42 ATOM 172 N TYR A 59 256.626 225.627 232.596 1.00253.62 ATOM 173 CA TYR A 59 256.895 225.543 234.028 1.00253.62 ATOM 174 C TYR A 59 255.700 224.960 234.767 1.00253.62 ATOM 175 N ILE A 60 254.508 225.489 234.494 1.00254.91 ATOM 176 CA ILE A 60 253.309 224.989 235.160 1.00254.91 ATOM 177 C ILE A 60 253.127 223.505 234.874 1.00254.91 ATOM 178 N ASP A 61 253.285 223.107 233.610 1.00265.73 ATOM 179 CA ASP A 61 253.096 221.708 233.243 1.00265.73 ATOM 180 C ASP A 61 254.055 220.804 234.005 1.00265.73 ATOM 181 N THR A 62 255.328 221.189 234.081 1.00245.05 ATOM 182 CA THR A 62 256.310 220.353 234.763 1.00245.05 ATOM 183 C THR A 62 256.159 220.447 236.277 1.00245.05 ATOM 184 N TYR A 63 256.315 221.647 236.829 1.00234.64 ATOM 185 CA TYR A 63 256.313 221.833 238.279 1.00234.64 ATOM 186 C TYR A 63 254.928 222.248 238.778 1.00234.64 ATOM 187 N LYS A 64 253.959 221.359 238.554 1.00210.31 ATOM 188 CA LYS A 64 252.708 221.459 239.293 1.00210.31 ATOM 189 C LYS A 64 252.968 221.359 240.787 1.00210.31 ATOM 190 N LYS A 65 254.050 220.684 241.165 1.00241.21 ATOM 191 CA LYS A 65 254.451 220.557 242.556 1.00241.21 ATOM 192 C LYS A 65 255.072 221.866 243.020 1.00241.21 ATOM 193 N SER A 66 254.275 222.932 243.054 1.00228.82 ATOM 194 CA SER A 66 254.791 224.250 243.394 1.00228.82 ATOM 195 C SER A 66 253.661 225.222 243.702 1.00228.82 ATOM 196 N GLY A 67 253.747 225.903 244.844 1.00237.24 ATOM 197 CA GLY A 67 252.767 226.907 245.207 1.00237.24 ATOM 198 C GLY A 67 252.997 228.274 244.607 1.00237.24 ATOM 199 N ARG A 68 254.161 228.497 243.993 1.00242.43 ATOM 200 CA ARG A 68 254.454 229.793 243.395 1.00242.43 ATOM 201 C ARG A 68 253.483 230.150 242.279 1.00242.43 ATOM 202 N ASN A 69 252.788 229.163 241.713 1.00243.12 ATOM 203 CA ASN A 69 252.018 229.401 240.500 1.00243.12 ATOM 204 C ASN A 69 250.894 230.409 240.703 1.00243.12 ATOM 205 N LYS A 70 250.508 230.698 241.947 1.00224.38 ATOM 206 CA LYS A 70 249.539 231.767 242.170 1.00224.38 ATOM 207 C LYS A 70 250.085 233.093 241.657 1.00224.38 ATOM 208 N ALA A 71 251.298 233.449 242.082 1.00228.45 ATOM 209 CA ALA A 71 251.937 234.639 241.545 1.00228.45 ATOM 210 C ALA A 71 252.199 234.487 240.057 1.00228.45 ATOM 211 N LEU A 72 252.318 233.251 239.572 1.00243.28 ATOM 212 CA LEU A 72 252.523 233.039 238.143 1.00243.28 ATOM 213 C LEU A 72 251.299 233.482 237.351 1.00243.28 ATOM 214 N LYS A 73 250.111 233.062 237.788 1.00233.51 ATOM 215 CA LYS A 73 248.885 233.530 237.152 1.00233.51 ATOM 216 C LYS A 73 248.724 235.033 237.330 1.00233.51 ATOM 217 N LYS A 74 249.077 235.546 238.510 1.00228.77 ATOM 218 CA LYS A 74 249.077 236.990 238.711 1.00228.77 ATOM 219 C LYS A 74 249.910 237.681 237.639 1.00228.77 ATOM 220 N PHE A 75 251.106 237.158 237.383 1.00246.11 ATOM 221 CA PHE A 75 251.998 237.766 236.404 1.00246.11 ATOM 222 C PHE A 75 251.431 237.649 234.996 1.00246.11 ATOM 223 N LYS A 76 250.834 236.503 234.667 1.00250.05 ATOM 224 CA LYS A 76 250.246 236.338 233.340 1.00250.05 ATOM 225 C LYS A 76 249.142 237.363 233.103 1.00250.05 ATOM 226 N GLU A 77 248.243 237.520 234.075 1.00244.21 ATOM 227 CA GLU A 77 247.183 238.512 233.926 1.00244.21 ATOM 228 C GLU A 77 247.729 239.938 233.939 1.00244.21 ATOM 229 N TYR A 78 248.776 240.209 234.721 1.00252.40 ATOM 230 CA TYR A 78 249.413 241.519 234.644 1.00252.40 ATOM 231 C TYR A 78 249.929 241.786 233.237 1.00252.40 ATOM 232 N LEU A 79 250.560 240.785 232.621 1.00259.22 ATOM 233 CA LEU A 79 251.069 240.947 231.263 1.00259.22 ATOM 234 C LEU A 79 249.934 241.200 230.280 1.00259.22 ATOM 235 N VAL A 80 248.829 240.469 230.428 1.00254.71 ATOM 236 CA VAL A 80 247.691 240.672 229.535 1.00254.71 ATOM 237 C VAL A 80 247.177 242.101 229.662 1.00254.71 ATOM 238 N THR A 81 247.025 242.577 230.900 1.00263.89 ATOM 239 CA THR A 81 246.581 243.951 231.106 1.00263.89 ATOM 240 C THR A 81 247.558 244.942 230.489 1.00263.89 ATOM 241 N GLU A 82 248.859 244.719 230.683 1.00276.21 ATOM 242 CA GLU A 82 249.857 245.612 230.106 1.00276.21 ATOM 243 C GLU A 82 249.701 245.697 228.595 1.00276.21 ATOM 244 N VAL A 83 249.657 244.543 227.924 1.00264.78 ATOM 245 CA VAL A 83 249.544 244.553 226.468 1.00264.78 ATOM 246 C VAL A 83 248.244 245.215 226.042 1.00264.78 ATOM 247 N LEU A 84 247.198 245.109 226.864 1.00255.64 ATOM 248 CA LEU A 84 245.956 245.808 226.553 1.00255.64 ATOM 249 C LEU A 84 246.202 247.304 226.393 1.00255.64 ATOM 250 N GLU A 85 246.932 247.904 227.334 1.00259.26 ATOM 251 CA GLU A 85 247.181 249.338 227.277 1.00259.26 ATOM 252 C GLU A 85 248.187 249.710 226.197 1.00259.26 ATOM 253 N LEU A 86 249.083 248.793 225.828 1.00253.04 ATOM 254 CA LEU A 86 250.134 249.123 224.870 1.00253.04 ATOM 255 C LEU A 86 249.546 249.687 223.583 1.00253.04 ATOM 256 N LYS A 87 248.563 248.993 223.011 1.00243.39 ATOM 257 CA LYS A 87 247.948 249.454 221.773 1.00243.39 ATOM 258 C LYS A 87 247.306 250.826 221.922 1.00243.39 ATOM 259 N ASN A 88 246.960 251.227 223.146 1.00249.41 ATOM 260 CA ASN A 88 246.260 252.489 223.347 1.00249.41 ATOM 261 C ASN A 88 247.187 253.694 223.245 1.00249.41 ATOM 262 N ASN A 89 248.440 253.560 223.674 1.00248.17 ATOM 263 CA ASN A 89 249.358 254.692 223.706 1.00248.17 ATOM 264 C ASN A 89 250.023 254.967 222.366 1.00248.17 ATOM 265 N ASN A 90 249.792 254.136 221.353 1.00249.06 ATOM 266 CA ASN A 90 250.409 254.309 220.045 1.00249.06 ATOM 267 C ASN A 90 249.328 254.343 218.978 1.00249.06 ATOM 268 N LEU A 91 249.296 255.428 218.209 1.00238.05 ATOM 269 CA LEU A 91 248.351 255.598 217.116 1.00238.05 ATOM 270 C LEU A 91 249.107 256.040 215.874 1.00238.05 TER