HEADER SUGAR BINDING PROTEIN 05-FEB-10 2X52 TITLE CRYSTAL STRUCTURE OF WHEAT GERM AGGLUTININ ISOLECTIN 3 IN COMPLEX TITLE 2 WITH A SYNTHETIC DIVALENT CARBOHYDRATE LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: AGGLUTININ ISOLECTIN 3; COMPND 3 CHAIN: A, B; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 ANGSTORMS DBREF 2X52 A 1 171 UNP P10969 AGI3_WHEAT 1 171 MODRES 2X52 PCA A 1 GLN PYROGLUTAMIC ACID SEQRES 1 A 39 GLY SER GLN ALA GLY GLY LYS THR CYS PRO ASN ASN HIS SEQRES 2 A 39 CYS CYS SER GLN TYR GLY HIS CYS GLY PHE GLY ALA GLU SEQRES 3 A 39 TYR CYS GLY ALA GLY CYS GLN GLY GLY PRO CYS ARG ALA ATOM 1 N GLY A 47 38.052 32.325 -4.467 1.00 19.62 ATOM 2 CA GLY A 47 37.846 33.439 -5.393 1.00 20.75 ATOM 3 C GLY A 47 39.118 34.129 -5.846 1.00 21.16 ATOM 4 O GLY A 47 40.213 33.549 -5.787 1.00 21.35 ATOM 5 N SER A 48 38.959 35.377 -6.291 1.00 21.97 ATOM 6 CA SER A 48 40.059 36.197 -6.801 1.00 22.40 ATOM 7 C SER A 48 41.222 36.275 -5.807 1.00 22.58 ATOM 8 O SER A 48 42.379 36.242 -6.214 1.00 22.58 ATOM 9 CB SER A 48 39.559 37.607 -7.136 1.00 22.59 ATOM 10 OG SER A 48 39.391 38.367 -5.947 1.00 23.81 ATOM 11 N GLN A 49 40.901 36.352 -4.511 1.00 22.38 ATOM 12 CA GLN A 49 41.906 36.405 -3.436 1.00 22.56 ATOM 13 C GLN A 49 42.791 35.153 -3.364 1.00 22.62 ATOM 14 O GLN A 49 43.860 35.185 -2.751 1.00 22.67 ATOM 15 CB GLN A 49 41.243 36.632 -2.069 1.00 22.39 ATOM 16 CG GLN A 49 40.615 38.012 -1.872 1.00 22.35 ATOM 17 CD GLN A 49 39.250 38.159 -2.523 1.00 21.08 ATOM 18 OE1 GLN A 49 38.675 37.190 -3.036 1.00 20.49 ATOM 19 NE2 GLN A 49 38.722 39.380 -2.512 1.00 20.92 ATOM 20 N ALA A 50 42.344 34.056 -3.975 1.00 22.81 ATOM 21 CA ALA A 50 43.060 32.777 -3.889 1.00 23.16 ATOM 22 C ALA A 50 43.145 32.042 -5.232 1.00 23.18 ATOM 23 O ALA A 50 42.931 30.821 -5.314 1.00 23.50 ATOM 24 CB ALA A 50 42.426 31.885 -2.815 1.00 22.78 ATOM 25 N GLY A 51 43.447 32.796 -6.286 1.00 23.19 ATOM 26 CA GLY A 51 43.659 32.229 -7.623 1.00 23.66 ATOM 27 C GLY A 51 42.443 31.617 -8.300 1.00 23.79 ATOM 28 O GLY A 51 42.591 30.835 -9.233 1.00 24.48 ATOM 29 N GLY A 52 41.246 31.967 -7.834 1.00 23.89 ATOM 30 CA GLY A 52 40.000 31.433 -8.402 1.00 23.38 ATOM 31 C GLY A 52 39.575 30.088 -7.827 1.00 23.24 ATOM 32 O GLY A 52 38.683 29.426 -8.375 1.00 23.72 ATOM 33 N LYS A 53 40.210 29.683 -6.727 1.00 23.10 ATOM 34 CA LYS A 53 39.894 28.415 -6.071 1.00 22.86 ATOM 35 C LYS A 53 38.457 28.467 -5.572 1.00 22.39 ATOM 36 O LYS A 53 38.006 29.505 -5.101 1.00 22.47 ATOM 37 CB LYS A 53 40.866 28.150 -4.915 1.00 22.68 ATOM 38 CG LYS A 53 40.709 26.790 -4.229 1.00 24.15 ATOM 39 CD LYS A 53 41.871 26.518 -3.277 1.00 25.00 ATOM 40 CE LYS A 53 41.745 25.149 -2.619 1.00 23.77 ATOM 41 NZ LYS A 53 43.083 24.499 -2.459 1.00 26.04 ATOM 42 N THR A 54 37.735 27.357 -5.715 1.00 22.28 ATOM 43 CA THR A 54 36.350 27.279 -5.259 1.00 22.04 ATOM 44 C THR A 54 36.277 26.662 -3.858 1.00 21.19 ATOM 45 O THR A 54 37.144 25.882 -3.456 1.00 21.13 ATOM 46 CB THR A 54 35.443 26.502 -6.260 1.00 22.05 ATOM 47 OG1 THR A 54 35.966 25.185 -6.472 1.00 24.22 ATOM 48 CG2 THR A 54 35.361 27.229 -7.598 1.00 22.97 ATOM 49 N CYS A 55 35.242 27.027 -3.110 1.00 20.54 ATOM 50 CA CYS A 55 35.049 26.485 -1.774 1.00 19.54 ATOM 51 C CYS A 55 34.591 25.031 -1.840 1.00 19.24 ATOM 52 O CYS A 55 33.720 24.699 -2.649 1.00 18.80 ATOM 53 CB CYS A 55 34.029 27.329 -0.999 1.00 19.73 ATOM 54 SG CYS A 55 34.563 29.015 -0.695 1.00 19.04 ATOM 55 N PRO A 56 35.183 24.155 -0.999 1.00 18.88 ATOM 56 CA PRO A 56 34.662 22.797 -0.867 1.00 18.76 ATOM 57 C PRO A 56 33.336 22.810 -0.104 1.00 18.66 ATOM 58 O PRO A 56 32.989 23.837 0.483 1.00 18.29 ATOM 59 CB PRO A 56 35.748 22.081 -0.065 1.00 18.96 ATOM 60 CG PRO A 56 36.385 23.135 0.738 1.00 19.18 ATOM 61 CD PRO A 56 36.302 24.407 -0.071 1.00 19.03 ATOM 62 N ASN A 57 32.604 21.693 -0.139 1.00 18.42 ATOM 63 CA ASN A 57 31.321 21.527 0.587 1.00 18.75 ATOM 64 C ASN A 57 30.192 22.439 0.090 1.00 17.98 ATOM 65 O ASN A 57 29.196 22.644 0.786 1.00 18.20 ATOM 66 CB ASN A 57 31.480 21.731 2.101 1.00 18.62 ATOM 67 CG ASN A 57 32.609 20.920 2.705 1.00 18.75 ATOM 68 OD1 ASN A 57 33.778 21.283 2.591 1.00 19.21 ATOM 69 ND2 ASN A 57 32.255 19.851 3.414 1.00 18.18 ATOM 70 N ASN A 58 30.375 23.014 -1.094 1.00 17.88 ATOM 71 CA ASN A 58 29.428 23.980 -1.657 1.00 17.18 ATOM 72 C ASN A 58 29.197 25.181 -0.752 1.00 16.66 ATOM 73 O ASN A 58 28.090 25.700 -0.678 1.00 16.12 ATOM 74 CB ASN A 58 28.073 23.315 -1.980 1.00 17.61 ATOM 75 CG ASN A 58 28.107 22.514 -3.257 1.00 18.85 ATOM 76 OD1 ASN A 58 28.648 22.960 -4.272 1.00 18.56 ATOM 77 ND2 ASN A 58 27.532 21.321 -3.214 1.00 19.31 ATOM 78 N HIS A 59 30.236 25.620 -0.046 1.00 15.75 ATOM 79 CA HIS A 59 30.130 26.837 0.746 1.00 15.98 ATOM 80 C HIS A 59 30.180 28.062 -0.179 1.00 16.27 ATOM 81 O HIS A 59 30.642 27.970 -1.326 1.00 15.93 ATOM 82 CB HIS A 59 31.262 26.886 1.770 1.00 15.59 ATOM 83 CG HIS A 59 31.122 25.893 2.881 1.00 15.77 ATOM 84 ND1 HIS A 59 31.953 25.890 3.982 1.00 17.07 ATOM 85 CD2 HIS A 59 30.238 24.887 3.073 1.00 15.94 ATOM 86 CE1 HIS A 59 31.602 24.905 4.792 1.00 15.53 ATOM 87 NE2 HIS A 59 30.556 24.290 4.270 1.00 14.90 ATOM 88 N CYS A 60 29.689 29.198 0.304 1.00 16.72 ATOM 89 CA CYS A 60 29.756 30.441 -0.466 1.00 17.53 ATOM 90 C CYS A 60 31.107 31.145 -0.342 1.00 18.06 ATOM 91 O CYS A 60 31.665 31.246 0.757 1.00 17.57 ATOM 92 CB CYS A 60 28.645 31.391 -0.023 1.00 17.69 ATOM 93 SG CYS A 60 26.987 30.911 -0.521 1.00 18.64 ATOM 94 N CYS A 61 31.621 31.632 -1.472 1.00 18.27 ATOM 95 CA CYS A 61 32.827 32.463 -1.475 1.00 19.16 ATOM 96 C CYS A 61 32.445 33.931 -1.353 1.00 19.25 ATOM 97 O CYS A 61 31.919 34.527 -2.298 1.00 19.27 ATOM 98 CB CYS A 61 33.643 32.239 -2.751 1.00 18.97 ATOM 99 SG CYS A 61 35.271 33.020 -2.693 1.00 19.70 ATOM 100 N SER A 62 32.703 34.509 -0.184 1.00 19.27 ATOM 101 CA SER A 62 32.391 35.908 0.084 1.00 19.50 ATOM 102 C SER A 62 33.165 36.838 -0.830 1.00 19.39 ATOM 103 O SER A 62 34.125 36.428 -1.478 1.00 19.17 ATOM 104 CB SER A 62 32.746 36.264 1.521 1.00 19.40 ATOM 105 OG SER A 62 34.142 36.507 1.648 1.00 20.81 ATOM 106 N GLN A 63 32.758 38.104 -0.832 1.00 19.53 ATOM 107 CA GLN A 63 33.448 39.148 -1.591 1.00 20.58 ATOM 108 C GLN A 63 34.919 39.313 -1.200 1.00 20.27 ATOM 109 O GLN A 63 35.724 39.821 -1.987 1.00 20.62 ATOM 110 CB GLN A 63 32.710 40.482 -1.444 1.00 20.92 ATOM 111 CG GLN A 63 32.647 41.031 -0.025 1.00 23.11 ATOM 112 CD GLN A 63 31.875 42.333 0.057 1.00 25.90 ATOM 113 OE1 GLN A 63 31.964 43.184 -0.833 1.00 28.07 ATOM 114 NE2 GLN A 63 31.103 42.492 1.126 1.00 28.06 ATOM 115 N TYR A 64 35.256 38.877 0.011 1.00 20.02 ATOM 116 CA TYR A 64 36.605 39.006 0.542 1.00 19.66 ATOM 117 C TYR A 64 37.431 37.741 0.338 1.00 19.53 ATOM 118 O TYR A 64 38.607 37.697 0.698 1.00 19.47 ATOM 119 CB TYR A 64 36.557 39.368 2.024 1.00 19.73 ATOM 120 CG TYR A 64 35.764 40.612 2.345 1.00 19.63 ATOM 121 CD1 TYR A 64 35.852 41.761 1.542 1.00 21.18 ATOM 122 CD2 TYR A 64 34.938 40.648 3.460 1.00 21.67 ATOM 123 CE1 TYR A 64 35.119 42.908 1.854 1.00 20.97 ATOM 124 CE2 TYR A 64 34.208 41.789 3.781 1.00 21.67 ATOM 125 CZ TYR A 64 34.302 42.909 2.973 1.00 21.19 ATOM 126 OH TYR A 64 33.583 44.032 3.298 1.00 22.91 ATOM 127 N GLY A 65 36.806 36.719 -0.245 1.00 19.34 ATOM 128 CA GLY A 65 37.476 35.464 -0.578 1.00 19.43 ATOM 129 C GLY A 65 37.629 34.472 0.558 1.00 19.01 ATOM 130 O GLY A 65 38.622 33.747 0.618 1.00 19.12 ATOM 131 N HIS A 66 36.638 34.424 1.449 1.00 18.71 ATOM 132 CA HIS A 66 36.616 33.435 2.529 1.00 18.21 ATOM 133 C HIS A 66 35.371 32.563 2.402 1.00 18.18 ATOM 134 O HIS A 66 34.303 33.057 2.039 1.00 18.45 ATOM 135 CB HIS A 66 36.618 34.126 3.901 1.00 17.98 ATOM 136 CG HIS A 66 37.838 34.952 4.161 1.00 17.87 ATOM 137 ND1 HIS A 66 38.888 34.504 4.933 1.00 18.47 ATOM 138 CD2 HIS A 66 38.183 36.192 3.738 1.00 18.60 ATOM 139 CE1 HIS A 66 39.817 35.443 4.993 1.00 17.49 ATOM 140 NE2 HIS A 66 39.419 36.471 4.266 1.00 19.22 ATOM 141 N CYS A 67 35.504 31.282 2.728 1.00 18.00 ATOM 142 CA CYS A 67 34.406 30.319 2.571 1.00 17.98 ATOM 143 C CYS A 67 33.497 30.266 3.791 1.00 18.29 ATOM 144 O CYS A 67 33.974 30.190 4.919 1.00 18.46 ATOM 145 CB CYS A 67 34.959 28.923 2.274 1.00 18.40 ATOM 146 SG CYS A 67 35.951 28.826 0.769 1.00 18.09 ATOM 147 N GLY A 68 32.185 30.297 3.557 1.00 17.98 ATOM 148 CA GLY A 68 31.212 30.185 4.650 1.00 18.30 ATOM 149 C GLY A 68 29.773 30.261 4.177 1.00 18.50 ATOM 150 O GLY A 68 29.490 30.064 2.991 1.00 17.90 ATOM 151 N PHE A 69 28.866 30.537 5.112 1.00 18.48 ATOM 152 CA PHE A 69 27.431 30.657 4.816 1.00 18.71 ATOM 153 C PHE A 69 26.842 31.863 5.530 1.00 18.86 ATOM 154 O PHE A 69 27.427 32.362 6.489 1.00 19.00 ATOM 155 CB PHE A 69 26.672 29.409 5.272 1.00 18.91 ATOM 156 CG PHE A 69 26.775 28.243 4.330 1.00 18.52 ATOM 157 CD1 PHE A 69 26.527 28.399 2.969 1.00 19.44 ATOM 158 CD2 PHE A 69 27.077 26.971 4.820 1.00 17.27 ATOM 159 CE1 PHE A 69 26.612 27.312 2.091 1.00 18.66 ATOM 160 CE2 PHE A 69 27.149 25.867 3.956 1.00 17.57 ATOM 161 CZ PHE A 69 26.916 26.044 2.586 1.00 18.53 ATOM 162 N GLY A 70 25.665 32.300 5.084 1.00 18.42 ATOM 163 CA GLY A 70 25.005 33.468 5.659 1.00 18.53 ATOM 164 C GLY A 70 25.081 34.627 4.688 1.00 17.80 ATOM 165 O GLY A 70 25.796 34.549 3.683 1.00 18.41 ATOM 166 N ALA A 71 24.352 35.698 4.983 1.00 17.98 ATOM 167 CA ALA A 71 24.322 36.885 4.115 1.00 17.93 ATOM 168 C ALA A 71 25.708 37.439 3.793 1.00 18.39 ATOM 169 O ALA A 71 25.958 37.873 2.671 1.00 17.77 ATOM 170 CB ALA A 71 23.436 37.972 4.717 1.00 18.54 ATOM 171 N GLU A 72 26.604 37.435 4.782 1.00 18.13 ATOM 172 CA GLU A 72 27.975 37.932 4.606 1.00 18.55 ATOM 173 C GLU A 72 28.779 37.177 3.547 1.00 18.72 ATOM 174 O GLU A 72 29.729 37.728 2.961 1.00 19.20 ATOM 175 CB GLU A 72 28.731 37.852 5.936 1.00 18.37 ATOM 176 CG GLU A 72 28.362 38.939 6.953 1.00 17.54 ATOM 177 CD GLU A 72 27.164 38.599 7.827 1.00 17.66 ATOM 178 OE1 GLU A 72 26.344 37.713 7.482 1.00 15.63 ATOM 179 OE2 GLU A 72 27.029 39.255 8.875 1.00 17.22 ATOM 180 N TYR A 73 28.423 35.912 3.335 1.00 18.46 ATOM 181 CA TYR A 73 29.152 35.031 2.417 1.00 18.19 ATOM 182 C TYR A 73 28.399 34.818 1.102 1.00 18.59 ATOM 183 O TYR A 73 28.996 34.925 0.031 1.00 19.14 ATOM 184 CB TYR A 73 29.505 33.702 3.107 1.00 18.00 ATOM 185 CG TYR A 73 30.512 33.897 4.232 1.00 17.32 ATOM 186 CD1 TYR A 73 31.881 33.764 4.002 1.00 16.48 ATOM 187 CD2 TYR A 73 30.094 34.261 5.511 1.00 16.28 ATOM 188 CE1 TYR A 73 32.810 33.970 5.032 1.00 17.42 ATOM 189 CE2 TYR A 73 31.004 34.475 6.533 1.00 16.70 ATOM 190 CZ TYR A 73 32.351 34.326 6.295 1.00 15.12 ATOM 191 OH TYR A 73 33.243 34.525 7.322 1.00 14.37 ATOM 192 N CYS A 74 27.098 34.547 1.182 1.00 19.04 ATOM 193 CA CYS A 74 26.302 34.268 -0.024 1.00 19.28 ATOM 194 C CYS A 74 25.657 35.509 -0.642 1.00 19.60 ATOM 195 O CYS A 74 25.223 35.468 -1.796 1.00 19.97 ATOM 196 CB CYS A 74 25.224 33.221 0.260 1.00 19.12 ATOM 197 SG CYS A 74 25.829 31.678 0.972 1.00 19.17 ATOM 198 N GLY A 75 25.572 36.595 0.128 1.00 20.37 ATOM 199 CA GLY A 75 24.957 37.843 -0.354 1.00 20.59 ATOM 200 C GLY A 75 25.830 38.671 -1.278 1.00 21.29 ATOM 201 O GLY A 75 26.522 38.136 -2.153 1.00 21.18 ATOM 202 N ALA A 76 25.793 39.988 -1.079 1.00 21.69 ATOM 203 CA ALA A 76 26.504 40.942 -1.937 1.00 21.56 ATOM 204 C ALA A 76 27.984 40.607 -2.114 1.00 21.79 ATOM 205 O ALA A 76 28.714 40.406 -1.144 1.00 21.86 ATOM 206 CB ALA A 76 26.341 42.359 -1.404 1.00 22.01 ATOM 207 N GLY A 77 28.413 40.538 -3.369 1.00 21.41 ATOM 208 CA GLY A 77 29.807 40.286 -3.691 1.00 21.87 ATOM 209 C GLY A 77 30.227 38.828 -3.721 1.00 21.50 ATOM 210 O GLY A 77 31.382 38.517 -4.026 1.00 21.80 ATOM 211 N CYS A 78 29.298 37.932 -3.405 1.00 21.68 ATOM 212 CA CYS A 78 29.577 36.498 -3.423 1.00 21.46 ATOM 213 C CYS A 78 30.234 36.100 -4.753 1.00 21.68 ATOM 214 O CYS A 78 29.740 36.457 -5.829 1.00 22.10 ATOM 215 CB CYS A 78 28.288 35.710 -3.167 1.00 21.68 ATOM 216 SG CYS A 78 28.452 33.926 -3.219 1.00 20.90 ATOM 217 N GLN A 79 31.364 35.396 -4.664 1.00 21.35 ATOM 218 CA GLN A 79 32.166 35.021 -5.839 1.00 21.47 ATOM 219 C GLN A 79 31.979 33.581 -6.295 1.00 21.70 ATOM 220 O GLN A 79 32.461 33.213 -7.370 1.00 21.70 ATOM 221 CB GLN A 79 33.658 35.211 -5.566 1.00 21.32 ATOM 222 CG GLN A 79 34.109 36.600 -5.204 1.00 21.05 ATOM 223 CD GLN A 79 35.608 36.666 -5.038 1.00 21.90 ATOM 224 OE1 GLN A 79 36.359 36.550 -6.006 1.00 23.22 ATOM 225 NE2 GLN A 79 36.053 36.844 -3.809 1.00 20.54 ATOM 226 N GLY A 80 31.329 32.756 -5.473 1.00 21.29 ATOM 227 CA GLY A 80 31.161 31.339 -5.800 1.00 21.46 ATOM 228 C GLY A 80 30.298 30.592 -4.806 1.00 21.25 ATOM 229 O GLY A 80 29.975 31.110 -3.741 1.00 20.96 ATOM 230 N GLY A 81 29.940 29.361 -5.163 1.00 21.24 ATOM 231 CA GLY A 81 29.023 28.555 -4.371 1.00 20.93 ATOM 232 C GLY A 81 27.589 29.021 -4.546 1.00 21.01 ATOM 233 O GLY A 81 27.280 29.750 -5.495 1.00 21.22 ATOM 234 N PRO A 82 26.700 28.625 -3.616 1.00 20.86 ATOM 235 CA PRO A 82 25.295 29.018 -3.704 1.00 20.75 ATOM 236 C PRO A 82 25.040 30.500 -3.370 1.00 20.75 ATOM 237 O PRO A 82 24.377 30.815 -2.373 1.00 20.65 ATOM 238 CB PRO A 82 24.605 28.076 -2.705 1.00 20.57 ATOM 239 CG PRO A 82 25.685 27.711 -1.725 1.00 20.83 ATOM 240 CD PRO A 82 26.943 27.655 -2.529 1.00 20.94 ATOM 241 N CYS A 83 25.558 31.394 -4.211 1.00 21.12 ATOM 242 CA CYS A 83 25.311 32.832 -4.076 1.00 21.40 ATOM 243 C CYS A 83 23.817 33.128 -4.189 1.00 21.40 ATOM 244 O CYS A 83 23.086 32.443 -4.908 1.00 20.97 ATOM 245 CB CYS A 83 26.080 33.636 -5.135 1.00 21.76 ATOM 246 SG CYS A 83 27.890 33.465 -5.128 1.00 22.83 ATOM 247 N ARG A 84 23.371 34.148 -3.470 1.00 21.50 ATOM 248 CA ARG A 84 21.961 34.534 -3.465 1.00 21.67 ATOM 249 C ARG A 84 21.500 35.105 -4.812 1.00 22.06 ATOM 250 O ARG A 84 20.348 34.927 -5.200 1.00 22.16 ATOM 251 CB ARG A 84 21.689 35.517 -2.329 1.00 21.74 ATOM 252 CG ARG A 84 21.828 34.897 -0.936 1.00 20.86 ATOM 253 CD ARG A 84 21.626 35.919 0.161 1.00 21.60 ATOM 254 NE ARG A 84 21.651 35.285 1.474 1.00 21.49 ATOM 255 CZ ARG A 84 21.198 35.842 2.595 1.00 19.39 ATOM 256 NH1 ARG A 84 20.661 37.053 2.579 1.00 21.13 ATOM 257 NH2 ARG A 84 21.264 35.168 3.730 1.00 21.17 ATOM 258 N ALA A 85 22.416 35.754 -5.530 1.00 22.55 ATOM 259 CA ALA A 85 22.123 36.319 -6.849 1.00 22.76 ATOM 260 C ALA A 85 22.049 35.217 -7.899 1.00 22.67 ATOM 261 O ALA A 85 22.819 34.258 -7.841 1.00 23.04 ATOM 262 CB ALA A 85 23.182 37.340 -7.230 1.00 23.16 TER