HEADER LECTIN (AGGLUTININ) 20-APR-90 9WGA TITLE 2.2 ANGSTROMS RESOLUTION STRUCTURE ANALYSIS OF TWO REFINED TITLE 2 N-ACETYLNEURAMINYLLACTOSE-WHEAT GERM AGGLUTININ ISOLECTIN COMPLEXES COMPND MOL_ID: 1; COMPND 2 MOLECULE: WHEAT GERM LECTIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.80 ANGSTORMS DBREF 9WGA A 2 171 UNP P02876 AGI2_WHEAT 29 198 MODRES 9WGA PCA A 1 GLU PYROGLUTAMIC ACID SEQRES 1 A 33 ALA THR CYS PRO ASN ASN HIS CYS CYS SER GLN TYR GLY SEQRES 2 A 33 HIS CYS GLY PHE GLY ALA GLU TYR CYS GLY ALA GLY CYS SEQRES 3 A 33 GLN GLY GLY PRO CYS ARG ALA ATOM 1 N ALA A 53 -5.140 2.224 15.439 1.00 29.34 ATOM 2 CA ALA A 53 -5.140 1.354 14.261 1.00 27.81 ATOM 3 C ALA A 53 -4.712 2.132 13.016 1.00 28.63 ATOM 4 O ALA A 53 -5.233 3.213 12.714 1.00 28.85 ATOM 5 CB ALA A 53 -6.562 0.810 14.113 1.00 26.94 ATOM 6 N THR A 54 -3.769 1.575 12.288 1.00 27.36 ATOM 7 CA THR A 54 -3.168 2.009 11.042 1.00 26.17 ATOM 8 C THR A 54 -4.003 1.468 9.880 1.00 23.25 ATOM 9 O THR A 54 -4.680 0.417 10.005 1.00 21.62 ATOM 10 CB THR A 54 -1.723 1.485 10.990 1.00 29.74 ATOM 11 OG1 THR A 54 -0.944 2.619 10.655 1.00 33.08 ATOM 12 CG2 THR A 54 -1.428 0.424 9.939 1.00 31.58 ATOM 13 N CYS A 55 -3.969 2.154 8.746 1.00 18.52 ATOM 14 CA CYS A 55 -4.693 1.763 7.561 1.00 15.46 ATOM 15 C CYS A 55 -3.808 0.785 6.760 1.00 15.85 ATOM 16 O CYS A 55 -2.605 1.061 6.575 1.00 16.68 ATOM 17 CB CYS A 55 -5.122 2.855 6.565 1.00 11.54 ATOM 18 SG CYS A 55 -6.251 4.036 7.315 1.00 13.14 ATOM 19 N PRO A 56 -4.470 -0.235 6.275 1.00 13.72 ATOM 20 CA PRO A 56 -3.765 -1.234 5.426 1.00 14.83 ATOM 21 C PRO A 56 -3.568 -0.570 4.058 1.00 12.65 ATOM 22 O PRO A 56 -4.361 0.326 3.745 1.00 12.66 ATOM 23 CB PRO A 56 -4.785 -2.379 5.301 1.00 14.02 ATOM 24 CG PRO A 56 -6.143 -1.926 5.777 1.00 11.51 ATOM 25 CD PRO A 56 -5.886 -0.620 6.538 1.00 15.07 ATOM 26 N ASN A 57 -2.671 -1.072 3.247 1.00 9.71 ATOM 27 CA ASN A 57 -2.369 -0.657 1.911 1.00 8.89 ATOM 28 C ASN A 57 -1.830 0.822 1.846 1.00 8.60 ATOM 29 O ASN A 57 -1.911 1.378 0.718 1.00 11.80 ATOM 30 CB ASN A 57 -3.535 -0.788 0.955 1.00 10.02 ATOM 31 CG ASN A 57 -4.308 -2.114 0.962 1.00 8.89 ATOM 32 OD1 ASN A 57 -5.118 -2.273 1.858 1.00 10.31 ATOM 33 ND2 ASN A 57 -4.138 -2.876 -0.108 1.00 9.21 ATOM 34 N ASN A 58 -1.365 1.263 2.967 1.00 9.93 ATOM 35 CA ASN A 58 -0.820 2.650 3.067 1.00 11.80 ATOM 36 C ASN A 58 -1.902 3.736 2.861 1.00 10.45 ATOM 37 O ASN A 58 -1.516 4.793 2.287 1.00 10.36 ATOM 38 CB ASN A 58 0.339 2.911 2.103 1.00 9.38 ATOM 39 CG ASN A 58 1.627 2.265 2.584 1.00 8.90 ATOM 40 OD1 ASN A 58 1.981 2.531 3.740 1.00 9.58 ATOM 41 ND2 ASN A 58 2.186 1.472 1.643 1.00 7.94 ATOM 42 N HIS A 59 -3.135 3.463 3.118 1.00 11.70 ATOM 43 CA HIS A 59 -4.207 4.436 2.976 1.00 10.32 ATOM 44 C HIS A 59 -4.003 5.496 4.068 1.00 11.53 ATOM 45 O HIS A 59 -3.410 5.297 5.120 1.00 9.32 ATOM 46 CB HIS A 59 -5.601 3.858 3.009 1.00 11.10 ATOM 47 CG HIS A 59 -5.950 2.971 1.846 1.00 11.43 ATOM 48 ND1 HIS A 59 -7.156 2.299 1.760 1.00 11.51 ATOM 49 CD2 HIS A 59 -5.191 2.676 0.749 1.00 13.35 ATOM 50 CE1 HIS A 59 -7.114 1.694 0.609 1.00 10.63 ATOM 51 NE2 HIS A 59 -5.922 1.799 -0.022 1.00 12.43 ATOM 52 N CYS A 60 -4.495 6.709 3.744 1.00 12.62 ATOM 53 CA CYS A 60 -4.469 7.836 4.697 1.00 10.44 ATOM 54 C CYS A 60 -5.693 7.648 5.576 1.00 10.18 ATOM 55 O CYS A 60 -6.739 7.293 5.014 1.00 9.85 ATOM 56 CB CYS A 60 -4.706 9.174 3.950 1.00 11.40 ATOM 57 SG CYS A 60 -3.305 9.716 2.979 1.00 10.82 ATOM 58 N CYS A 61 -5.493 7.913 6.831 1.00 11.46 ATOM 59 CA CYS A 61 -6.507 7.952 7.886 1.00 13.91 ATOM 60 C CYS A 61 -6.956 9.449 8.030 1.00 15.29 ATOM 61 O CYS A 61 -6.149 10.265 8.527 1.00 15.88 ATOM 62 CB CYS A 61 -5.880 7.504 9.216 1.00 14.81 ATOM 63 SG CYS A 61 -7.068 7.339 10.568 1.00 16.78 ATOM 64 N SER A 62 -8.131 9.704 7.518 1.00 14.47 ATOM 65 CA SER A 62 -8.768 11.023 7.519 1.00 18.71 ATOM 66 C SER A 62 -8.988 11.418 8.974 1.00 20.01 ATOM 67 O SER A 62 -8.832 10.621 9.896 1.00 20.25 ATOM 68 CB SER A 62 -10.181 10.876 6.943 1.00 18.23 ATOM 69 OG SER A 62 -10.927 10.488 8.131 1.00 21.10 ATOM 70 N GLN A 63 -9.396 12.663 9.171 1.00 24.85 ATOM 71 CA GLN A 63 -9.633 13.204 10.526 1.00 23.97 ATOM 72 C GLN A 63 -10.765 12.527 11.267 1.00 22.69 ATOM 73 O GLN A 63 -10.704 12.580 12.489 1.00 24.00 ATOM 74 CB GLN A 63 -9.734 14.716 10.568 1.00 25.75 ATOM 75 CG GLN A 63 -10.980 15.233 9.870 1.00 28.35 ATOM 76 CD GLN A 63 -10.880 16.760 9.799 1.00 31.51 ATOM 77 OE1 GLN A 63 -11.119 17.368 8.768 1.00 32.82 ATOM 78 NE2 GLN A 63 -10.426 17.320 10.933 1.00 32.94 ATOM 79 N TYR A 64 -11.724 11.902 10.654 1.00 24.19 ATOM 80 CA TYR A 64 -12.824 11.175 11.263 1.00 25.47 ATOM 81 C TYR A 64 -12.524 9.701 11.585 1.00 25.34 ATOM 82 O TYR A 64 -13.440 8.952 12.003 1.00 21.75 ATOM 83 CB TYR A 64 -13.989 11.217 10.241 1.00 29.23 ATOM 84 CG TYR A 64 -14.423 12.657 10.065 1.00 33.20 ATOM 85 CD1 TYR A 64 -14.075 13.401 8.934 1.00 35.98 ATOM 86 CD2 TYR A 64 -15.144 13.279 11.082 1.00 35.52 ATOM 87 CE1 TYR A 64 -14.479 14.732 8.803 1.00 37.57 ATOM 88 CE2 TYR A 64 -15.556 14.610 10.959 1.00 37.82 ATOM 89 CZ TYR A 64 -15.217 15.328 9.822 1.00 37.90 ATOM 90 OH TYR A 64 -15.622 16.635 9.765 1.00 39.34 ATOM 91 N GLY A 65 -11.267 9.335 11.367 1.00 23.10 ATOM 92 CA GLY A 65 -10.812 7.970 11.635 1.00 24.02 ATOM 93 C GLY A 65 -11.280 6.938 10.617 1.00 22.79 ATOM 94 O GLY A 65 -11.522 5.775 11.041 1.00 25.34 ATOM 95 N HIS A 66 -11.429 7.288 9.373 1.00 19.39 ATOM 96 CA HIS A 66 -11.776 6.452 8.236 1.00 20.06 ATOM 97 C HIS A 66 -10.573 6.343 7.286 1.00 18.88 ATOM 98 O HIS A 66 -9.840 7.399 7.164 1.00 14.13 ATOM 99 CB HIS A 66 -12.877 7.078 7.383 1.00 22.00 ATOM 100 CG HIS A 66 -14.157 6.986 8.187 1.00 27.11 ATOM 101 ND1 HIS A 66 -15.040 5.952 7.989 1.00 27.15 ATOM 102 CD2 HIS A 66 -14.562 7.804 9.226 1.00 26.75 ATOM 103 CE1 HIS A 66 -15.993 6.175 8.868 1.00 26.60 ATOM 104 NE2 HIS A 66 -15.753 7.247 9.647 1.00 27.86 ATOM 105 N CYS A 67 -10.492 5.217 6.565 1.00 14.51 ATOM 106 CA CYS A 67 -9.377 5.033 5.620 1.00 13.14 ATOM 107 C CYS A 67 -9.640 5.343 4.155 1.00 11.99 ATOM 108 O CYS A 67 -10.685 4.910 3.623 1.00 14.36 ATOM 109 CB CYS A 67 -8.760 3.604 5.702 1.00 13.58 ATOM 110 SG CYS A 67 -8.080 3.222 7.300 1.00 12.49 ATOM 111 N GLY A 68 -8.715 6.071 3.502 1.00 7.96 ATOM 112 CA GLY A 68 -8.966 6.376 2.075 1.00 8.52 ATOM 113 C GLY A 68 -7.845 7.181 1.437 1.00 6.74 ATOM 114 O GLY A 68 -6.716 7.257 1.988 1.00 9.71 ATOM 115 N PHE A 69 -8.117 7.676 0.265 1.00 6.80 ATOM 116 CA PHE A 69 -7.163 8.554 -0.469 1.00 9.99 ATOM 117 C PHE A 69 -7.944 9.849 -0.868 1.00 8.59 ATOM 118 O PHE A 69 -9.175 9.866 -0.897 1.00 8.80 ATOM 119 CB PHE A 69 -6.487 7.914 -1.647 1.00 9.02 ATOM 120 CG PHE A 69 -5.332 6.988 -1.329 1.00 12.65 ATOM 121 CD1 PHE A 69 -4.389 7.328 -0.354 1.00 12.19 ATOM 122 CD2 PHE A 69 -5.207 5.782 -2.046 1.00 13.38 ATOM 123 CE1 PHE A 69 -3.291 6.529 -0.098 1.00 15.55 ATOM 124 CE2 PHE A 69 -4.109 4.943 -1.784 1.00 15.55 ATOM 125 CZ PHE A 69 -3.149 5.346 -0.830 1.00 16.78 ATOM 126 N GLY A 70 -7.230 10.837 -1.330 1.00 11.85 ATOM 127 CA GLY A 70 -7.800 12.119 -1.789 1.00 12.24 ATOM 128 C GLY A 70 -7.746 13.186 -0.708 1.00 13.31 ATOM 129 O GLY A 70 -7.346 12.971 0.447 1.00 12.74 ATOM 130 N ALA A 71 -8.165 14.410 -1.123 1.00 13.79 ATOM 131 CA ALA A 71 -8.186 15.580 -0.198 1.00 12.80 ATOM 132 C ALA A 71 -8.817 15.304 1.131 1.00 11.23 ATOM 133 O ALA A 71 -8.185 15.552 2.190 1.00 10.97 ATOM 134 CB ALA A 71 -8.788 16.752 -1.005 1.00 11.07 ATOM 135 N GLU A 72 -10.041 14.724 1.171 1.00 10.95 ATOM 136 CA GLU A 72 -10.673 14.423 2.463 1.00 11.79 ATOM 137 C GLU A 72 -9.925 13.499 3.420 1.00 12.29 ATOM 138 O GLU A 72 -10.092 13.549 4.681 1.00 9.83 ATOM 139 CB GLU A 72 -12.111 13.952 2.271 1.00 12.44 ATOM 140 CG GLU A 72 -13.091 14.949 1.585 1.00 13.58 ATOM 141 CD GLU A 72 -12.928 15.127 0.145 1.00 10.00 ATOM 142 OE1 GLU A 72 -11.986 14.834 -0.508 1.00 10.25 ATOM 143 OE2 GLU A 72 -13.966 15.531 -0.554 1.00 13.92 ATOM 144 N TYR A 73 -9.038 12.624 2.882 1.00 10.87 ATOM 145 CA TYR A 73 -8.297 11.674 3.736 1.00 9.10 ATOM 146 C TYR A 73 -6.832 12.039 3.923 1.00 4.31 ATOM 147 O TYR A 73 -6.406 11.915 5.047 1.00 6.58 ATOM 148 CB TYR A 73 -8.290 10.232 3.080 1.00 8.86 ATOM 149 CG TYR A 73 -9.709 9.716 3.064 1.00 4.45 ATOM 150 CD1 TYR A 73 -10.280 9.041 4.147 1.00 5.71 ATOM 151 CD2 TYR A 73 -10.525 10.011 2.002 1.00 6.87 ATOM 152 CE1 TYR A 73 -11.648 8.695 4.121 1.00 2.00 ATOM 153 CE2 TYR A 73 -11.883 9.663 1.953 1.00 7.35 ATOM 154 CZ TYR A 73 -12.389 8.960 3.037 1.00 4.59 ATOM 155 OH TYR A 73 -13.757 8.698 2.951 1.00 9.54 ATOM 156 N CYS A 74 -6.263 12.496 2.829 1.00 6.91 ATOM 157 CA CYS A 74 -4.798 12.839 2.984 1.00 10.57 ATOM 158 C CYS A 74 -4.599 14.330 3.339 1.00 9.34 ATOM 159 O CYS A 74 -3.509 14.708 3.773 1.00 8.54 ATOM 160 CB CYS A 74 -3.957 12.421 1.818 1.00 10.30 ATOM 161 SG CYS A 74 -4.072 10.624 1.342 1.00 13.00 ATOM 162 N GLY A 75 -5.664 15.094 3.203 1.00 13.91 ATOM 163 CA GLY A 75 -5.507 16.557 3.487 1.00 13.41 ATOM 164 C GLY A 75 -5.501 16.888 4.934 1.00 15.65 ATOM 165 O GLY A 75 -4.852 16.279 5.826 1.00 15.06 ATOM 166 N ALA A 76 -6.170 18.023 5.206 1.00 16.01 ATOM 167 CA ALA A 76 -6.289 18.509 6.604 1.00 17.71 ATOM 168 C ALA A 76 -6.958 17.516 7.552 1.00 16.92 ATOM 169 O ALA A 76 -8.047 16.945 7.390 1.00 21.33 ATOM 170 CB ALA A 76 -7.131 19.811 6.609 1.00 17.75 ATOM 171 N GLY A 77 -6.320 17.391 8.701 1.00 16.09 ATOM 172 CA GLY A 77 -6.636 16.576 9.844 1.00 14.77 ATOM 173 C GLY A 77 -6.109 15.132 9.728 1.00 16.10 ATOM 174 O GLY A 77 -6.325 14.397 10.715 1.00 17.69 ATOM 175 N CYS A 78 -5.517 14.808 8.610 1.00 15.87 ATOM 176 CA CYS A 78 -5.025 13.452 8.323 1.00 15.09 ATOM 177 C CYS A 78 -4.311 12.891 9.516 1.00 17.70 ATOM 178 O CYS A 78 -3.324 13.545 9.910 1.00 20.85 ATOM 179 CB CYS A 78 -4.195 13.452 7.051 1.00 14.06 ATOM 180 SG CYS A 78 -3.391 11.854 6.609 1.00 12.32 ATOM 181 N GLN A 79 -4.663 11.696 9.990 1.00 19.65 ATOM 182 CA GLN A 79 -3.931 11.177 11.171 1.00 17.63 ATOM 183 C GLN A 79 -2.884 10.134 10.840 1.00 17.84 ATOM 184 O GLN A 79 -2.047 9.955 11.771 1.00 20.96 ATOM 185 CB GLN A 79 -4.840 10.649 12.256 1.00 18.25 ATOM 186 CG GLN A 79 -6.215 11.219 12.344 1.00 18.14 ATOM 187 CD GLN A 79 -7.148 10.396 13.194 1.00 20.86 ATOM 188 OE1 GLN A 79 -6.794 9.887 14.253 1.00 23.04 ATOM 189 NE2 GLN A 79 -8.376 10.235 12.753 1.00 21.33 ATOM 190 N GLY A 80 -2.876 9.491 9.676 1.00 17.28 ATOM 191 CA GLY A 80 -1.885 8.460 9.373 1.00 12.14 ATOM 192 C GLY A 80 -1.801 8.121 7.906 1.00 8.83 ATOM 193 O GLY A 80 -2.728 8.385 7.139 1.00 10.98 ATOM 194 N GLY A 81 -0.657 7.513 7.522 1.00 7.92 ATOM 195 CA GLY A 81 -0.568 7.240 6.024 1.00 8.25 ATOM 196 C GLY A 81 0.198 8.355 5.376 1.00 12.57 ATOM 197 O GLY A 81 0.862 9.142 6.117 1.00 17.25 ATOM 198 N PRO A 82 0.242 8.388 4.063 1.00 11.87 ATOM 199 CA PRO A 82 0.956 9.373 3.245 1.00 13.35 ATOM 200 C PRO A 82 0.150 10.725 3.166 1.00 10.84 ATOM 201 O PRO A 82 -0.364 11.177 2.139 1.00 11.37 ATOM 202 CB PRO A 82 1.067 8.678 1.877 1.00 12.38 ATOM 203 CG PRO A 82 -0.330 8.029 1.773 1.00 14.91 ATOM 204 CD PRO A 82 -0.503 7.437 3.192 1.00 12.08 ATOM 205 N CYS A 83 -0.034 11.225 4.350 1.00 12.08 ATOM 206 CA CYS A 83 -0.746 12.519 4.632 1.00 15.04 ATOM 207 C CYS A 83 -0.041 13.629 3.846 1.00 13.45 ATOM 208 O CYS A 83 1.210 13.540 3.698 1.00 17.23 ATOM 209 CB CYS A 83 -0.530 12.813 6.090 1.00 11.12 ATOM 210 SG CYS A 83 -1.512 12.088 7.304 1.00 14.71 ATOM 211 N ARG A 84 -0.792 14.625 3.466 1.00 16.56 ATOM 212 CA ARG A 84 -0.229 15.729 2.634 1.00 16.94 ATOM 213 C ARG A 84 0.775 16.621 3.314 1.00 16.18 ATOM 214 O ARG A 84 1.687 17.116 2.630 1.00 18.01 ATOM 215 CB ARG A 84 -1.303 16.411 1.842 1.00 17.71 ATOM 216 CG ARG A 84 -1.867 15.607 0.658 1.00 17.39 ATOM 217 CD ARG A 84 -3.109 16.333 0.172 1.00 16.90 ATOM 218 NE ARG A 84 -3.732 15.526 -0.835 1.00 17.70 ATOM 219 CZ ARG A 84 -4.680 15.815 -1.693 1.00 18.00 ATOM 220 NH1 ARG A 84 -5.210 17.027 -1.720 1.00 18.88 ATOM 221 NH2 ARG A 84 -5.047 14.959 -2.627 1.00 18.37 ATOM 222 N ALA A 85 0.780 16.698 4.605 1.00 15.40 ATOM 223 CA ALA A 85 1.714 17.389 5.459 1.00 17.02 ATOM 224 C ALA A 85 2.857 16.476 5.956 1.00 17.21 ATOM 225 O ALA A 85 2.527 15.384 6.438 1.00 18.72 ATOM 226 CB ALA A 85 0.983 17.675 6.800 1.00 14.32 TER