HEADER VIRAL PROTEIN/IMMUNE SYSTEM 31-DEC-69 6MG7 TITLE Crystal structure of the RV144 C1-C2 specific antibody CH54 Fab in TITLE 2 complex with HIV-1 CLADE A/E GP120 and M48U1 COMPND MOL_ID: 2; COMPND 2 MOLECULE: M48U1 CD4 mimetic peptide; COMPND 3 CHAIN: N; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.91 ANGSTORMS DBREF 6MG7 N 1 28 PDB 6MG7 6MG7 1 28 SEQRES 1 N 28 MPT ASN LEU HIS PHE CYS GLN LEU ARG CYS LYS SER LEU SEQRES 2 N 28 GLY LEU LEU GLY ARG CYS ALA DPR THR U2X CYS ALA CYS SEQRES 3 N 28 VAL NH2 ATOM 1 CA MPT N 1 -67.105 42.528 -46.269 1.00115.39 ATOM 2 C MPT N 1 -66.155 43.313 -47.160 1.00122.38 ATOM 3 O MPT N 1 -65.721 44.403 -46.705 1.00134.27 ATOM 4 CB MPT N 1 -68.541 42.691 -46.664 1.00118.31 ATOM 5 SG MPT N 1 -69.549 43.647 -45.501 1.00128.00 ATOM 6 N ASN N 2 -65.672 42.703 -48.182 1.00116.81 ATOM 7 CA ASN N 2 -64.810 43.687 -48.913 1.00111.65 ATOM 8 C ASN N 2 -65.702 44.817 -49.433 1.00 99.81 ATOM 9 O ASN N 2 -66.453 44.601 -50.396 1.00 94.63 ATOM 10 CB ASN N 2 -63.998 43.037 -50.030 1.00118.69 ATOM 11 CG ASN N 2 -62.960 42.049 -49.533 1.00129.79 ATOM 12 OD1 ASN N 2 -62.379 42.220 -48.459 1.00133.72 ATOM 13 ND2 ASN N 2 -62.704 41.015 -50.319 1.00134.17 ATOM 14 N LEU N 3 -65.618 45.970 -48.776 1.00 94.41 ATOM 15 CA LEU N 3 -66.624 47.055 -48.843 1.00 94.98 ATOM 16 C LEU N 3 -66.661 47.627 -50.262 1.00 99.99 ATOM 17 O LEU N 3 -67.763 47.734 -50.827 1.00104.53 ATOM 18 CB LEU N 3 -66.250 48.120 -47.808 1.00 94.13 ATOM 19 CG LEU N 3 -67.175 49.333 -47.713 1.00 94.67 ATOM 20 CD1 LEU N 3 -68.618 48.915 -47.470 1.00 99.57 ATOM 21 CD2 LEU N 3 -66.707 50.271 -46.613 1.00 91.22 ATOM 22 N HIS N 4 -65.500 47.975 -50.815 1.00107.96 ATOM 23 CA HIS N 4 -65.391 48.592 -52.162 1.00112.21 ATOM 24 C HIS N 4 -65.862 47.575 -53.201 1.00113.16 ATOM 25 O HIS N 4 -66.338 47.989 -54.269 1.00126.75 ATOM 26 CB HIS N 4 -63.968 49.090 -52.448 1.00113.65 ATOM 27 CG HIS N 4 -63.683 49.263 -53.905 1.00116.75 ATOM 28 ND1 HIS N 4 -63.338 48.198 -54.722 1.00117.71 ATOM 29 CD2 HIS N 4 -63.719 50.352 -54.703 1.00119.89 ATOM 30 CE1 HIS N 4 -63.155 48.629 -55.953 1.00118.11 ATOM 31 NE2 HIS N 4 -63.386 49.948 -55.970 1.00122.92 ATOM 32 N PHE N 5 -65.713 46.290 -52.906 1.00109.69 ATOM 33 CA PHE N 5 -66.198 45.224 -53.807 1.00113.29 ATOM 34 C PHE N 5 -67.720 45.125 -53.670 1.00106.46 ATOM 35 O PHE N 5 -68.398 44.861 -54.671 1.00 99.73 ATOM 36 CB PHE N 5 -65.449 43.927 -53.524 1.00118.66 ATOM 37 CG PHE N 5 -66.089 42.702 -54.111 1.00126.93 ATOM 38 CD1 PHE N 5 -66.268 41.562 -53.341 1.00137.64 ATOM 39 CD2 PHE N 5 -66.517 42.694 -55.428 1.00131.65 ATOM 40 CE1 PHE N 5 -66.859 40.432 -53.881 1.00140.55 ATOM 41 CE2 PHE N 5 -67.118 41.569 -55.964 1.00138.80 ATOM 42 CZ PHE N 5 -67.289 40.442 -55.190 1.00144.02 ATOM 43 N CYS N 6 -68.248 45.335 -52.468 1.00105.58 ATOM 44 CA CYS N 6 -69.706 45.241 -52.197 1.00 98.96 ATOM 45 C CYS N 6 -70.446 46.359 -52.943 1.00 94.38 ATOM 46 O CYS N 6 -71.412 46.062 -53.688 1.00100.40 ATOM 47 CB CYS N 6 -69.986 45.320 -50.703 1.00 95.25 ATOM 48 SG CYS N 6 -71.754 45.349 -50.331 1.00 95.01 ATOM 49 N GLN N 7 -70.002 47.601 -52.753 1.00 89.61 ATOM 50 CA GLN N 7 -70.675 48.803 -53.307 1.00 90.53 ATOM 51 C GLN N 7 -70.929 48.611 -54.803 1.00 91.32 ATOM 52 O GLN N 7 -72.007 49.006 -55.269 1.00 98.61 ATOM 53 CB GLN N 7 -69.841 50.049 -53.027 1.00 90.14 ATOM 54 CG GLN N 7 -69.907 50.480 -51.571 1.00 90.10 ATOM 55 CD GLN N 7 -68.931 51.587 -51.271 1.00 92.92 ATOM 56 OE1 GLN N 7 -67.721 51.393 -51.325 1.00 92.07 ATOM 57 NE2 GLN N 7 -69.454 52.761 -50.953 1.00101.57 ATOM 58 N LEU N 8 -69.998 47.983 -55.517 1.00 93.57 ATOM 59 CA LEU N 8 -70.100 47.828 -56.990 1.00 97.48 ATOM 60 C LEU N 8 -71.179 46.800 -57.332 1.00 93.82 ATOM 61 O LEU N 8 -71.792 46.950 -58.396 1.00 98.62 ATOM 62 CB LEU N 8 -68.749 47.411 -57.573 1.00106.84 ATOM 63 CG LEU N 8 -67.539 48.083 -56.931 1.00118.42 ATOM 64 CD1 LEU N 8 -66.244 47.470 -57.440 1.00119.48 ATOM 65 CD2 LEU N 8 -67.562 49.592 -57.149 1.00117.36 ATOM 66 N ARG N 9 -71.398 45.785 -56.499 1.00 91.84 ATOM 67 CA ARG N 9 -72.443 44.773 -56.798 1.00 94.36 ATOM 68 C ARG N 9 -73.818 45.326 -56.459 1.00 92.06 ATOM 69 O ARG N 9 -74.790 44.902 -57.088 1.00 87.01 ATOM 70 CB ARG N 9 -72.230 43.488 -56.013 1.00 97.00 ATOM 71 CG ARG N 9 -71.055 42.691 -56.544 1.00100.15 ATOM 72 CD ARG N 9 -70.261 42.100 -55.410 1.00100.89 ATOM 73 NE ARG N 9 -70.548 40.682 -55.206 1.00103.74 ATOM 74 CZ ARG N 9 -70.944 40.127 -54.060 1.00106.35 ATOM 75 NH1 ARG N 9 -71.098 40.860 -52.970 1.00109.23 ATOM 76 NH2 ARG N 9 -71.176 38.827 -54.002 1.00106.81 ATOM 77 N CYS N 10 -73.907 46.205 -55.471 1.00 93.03 ATOM 78 CA CYS N 10 -75.194 46.866 -55.159 1.00 95.04 ATOM 79 C CYS N 10 -75.447 47.970 -56.187 1.00 91.57 ATOM 80 O CYS N 10 -76.610 48.341 -56.369 1.00 87.90 ATOM 81 CB CYS N 10 -75.233 47.403 -53.737 1.00 95.73 ATOM 82 SG CYS N 10 -75.159 46.111 -52.467 1.00 96.95 ATOM 83 N LYS N 11 -74.402 48.458 -56.852 1.00 96.05 ATOM 84 CA LYS N 11 -74.536 49.547 -57.853 1.00 94.83 ATOM 85 C LYS N 11 -75.474 49.104 -58.980 1.00 91.03 ATOM 86 O LYS N 11 -76.357 49.897 -59.344 1.00 95.85 ATOM 87 CB LYS N 11 -73.167 49.947 -58.406 1.00 97.14 ATOM 88 CG LYS N 11 -73.118 51.328 -59.042 1.00 98.72 ATOM 89 CD LYS N 11 -72.013 52.210 -58.490 1.00103.70 ATOM 90 CE LYS N 11 -72.303 52.728 -57.093 1.00108.54 ATOM 91 NZ LYS N 11 -71.113 53.348 -56.461 1.00113.38 ATOM 92 N SER N 12 -75.302 47.889 -59.501 1.00 87.82 ATOM 93 CA SER N 12 -76.094 47.372 -60.648 1.00 88.75 ATOM 94 C SER N 12 -77.563 47.229 -60.240 1.00 85.90 ATOM 95 O SER N 12 -78.435 47.529 -61.071 1.00 91.60 ATOM 96 CB SER N 12 -75.534 46.088 -61.193 1.00 91.82 ATOM 97 OG SER N 12 -75.022 45.263 -60.160 1.00 94.06 ATOM 98 N LEU N 13 -77.826 46.855 -58.992 1.00 82.01 ATOM 99 CA LEU N 13 -79.207 46.783 -58.448 1.00 82.31 ATOM 100 C LEU N 13 -79.741 48.192 -58.171 1.00 82.69 ATOM 101 O LEU N 13 -80.929 48.301 -57.859 1.00 81.75 ATOM 102 CB LEU N 13 -79.212 45.915 -57.188 1.00 79.41 ATOM 103 CG LEU N 13 -78.755 44.476 -57.410 1.00 79.23 ATOM 104 CD1 LEU N 13 -78.837 43.662 -56.129 1.00 77.34 ATOM 105 CD2 LEU N 13 -79.577 43.811 -58.499 1.00 85.32 ATOM 106 N GLY N 14 -78.913 49.229 -58.315 1.00 83.64 ATOM 107 CA GLY N 14 -79.315 50.625 -58.078 1.00 87.04 ATOM 108 C GLY N 14 -79.462 50.876 -56.592 1.00 91.09 ATOM 109 O GLY N 14 -80.135 51.845 -56.209 1.00 92.73 ATOM 110 N LEU N 15 -78.848 50.023 -55.775 1.00 91.67 ATOM 111 CA LEU N 15 -78.915 50.128 -54.298 1.00 91.62 ATOM 112 C LEU N 15 -77.520 50.422 -53.743 1.00 92.23 ATOM 113 O LEU N 15 -76.530 50.248 -54.483 1.00 96.32 ATOM 114 CB LEU N 15 -79.476 48.823 -53.733 1.00 89.17 ATOM 115 CG LEU N 15 -80.784 48.356 -54.364 1.00 86.54 ATOM 116 CD1 LEU N 15 -81.093 46.929 -53.961 1.00 84.95 ATOM 117 CD2 LEU N 15 -81.935 49.279 -53.991 1.00 87.78 ATOM 118 N LEU N 16 -77.443 50.836 -52.476 1.00 90.85 ATOM 119 CA LEU N 16 -76.154 51.163 -51.809 1.00 97.47 ATOM 120 C LEU N 16 -75.641 49.951 -51.027 1.00 99.41 ATOM 121 O LEU N 16 -76.457 49.089 -50.650 1.00 92.59 ATOM 122 CB LEU N 16 -76.330 52.386 -50.908 1.00 97.65 ATOM 123 CG LEU N 16 -75.758 53.679 -51.488 1.00 98.65 ATOM 124 CD1 LEU N 16 -76.804 54.780 -51.502 1.00 98.57 ATOM 125 CD2 LEU N 16 -74.512 54.119 -50.733 1.00100.57 ATOM 126 N GLY N 17 -74.325 49.916 -50.790 1.00103.83 ATOM 127 CA GLY N 17 -73.598 48.753 -50.241 1.00104.22 ATOM 128 C GLY N 17 -73.208 48.938 -48.787 1.00107.08 ATOM 129 O GLY N 17 -72.139 49.523 -48.523 1.00104.92 ATOM 130 N ARG N 18 -74.030 48.418 -47.875 1.00111.97 ATOM 131 CA ARG N 18 -73.732 48.347 -46.422 1.00113.12 ATOM 132 C ARG N 18 -72.739 47.199 -46.197 1.00110.70 ATOM 133 O ARG N 18 -72.332 46.540 -47.177 1.00112.55 ATOM 134 CB ARG N 18 -75.057 48.225 -45.652 1.00117.31 ATOM 135 CG ARG N 18 -75.065 47.264 -44.471 1.00121.98 ATOM 136 CD ARG N 18 -76.427 47.178 -43.801 1.00125.99 ATOM 137 NE ARG N 18 -76.701 48.341 -42.966 1.00128.42 ATOM 138 CZ ARG N 18 -77.072 48.313 -41.687 1.00125.41 ATOM 139 NH1 ARG N 18 -77.259 47.170 -41.042 1.00123.19 ATOM 140 NH2 ARG N 18 -77.278 49.449 -41.053 1.00122.29 ATOM 141 N CYS N 19 -72.319 46.990 -44.953 1.00110.08 ATOM 142 CA CYS N 19 -71.681 45.728 -44.511 1.00106.01 ATOM 143 C CYS N 19 -72.577 45.015 -43.500 1.00103.72 ATOM 144 O CYS N 19 -73.227 45.681 -42.680 1.00100.31 ATOM 145 CB CYS N 19 -70.295 45.983 -43.941 1.00104.27 ATOM 146 SG CYS N 19 -68.991 45.573 -45.127 1.00103.70 ATOM 147 N ALA N 20 -72.620 43.691 -43.569 1.00105.03 ATOM 148 CA ALA N 20 -73.340 42.859 -42.585 1.00103.39 ATOM 149 C ALA N 20 -72.332 41.939 -41.915 1.00 97.06 ATOM 150 O ALA N 20 -72.342 40.730 -42.098 1.00 89.96 ATOM 151 CB ALA N 20 -74.473 42.124 -43.232 1.00105.15 ATOM 152 N DPR N 21 -71.552 42.511 -40.984 1.00 93.50 ATOM 153 CA DPR N 21 -70.341 41.884 -40.474 1.00 90.98 ATOM 154 CB DPR N 21 -69.706 42.983 -39.621 1.00 91.69 ATOM 155 CG DPR N 21 -70.880 43.798 -39.152 1.00 92.28 ATOM 156 CD DPR N 21 -71.891 43.746 -40.273 1.00 93.06 ATOM 157 C DPR N 21 -69.445 41.522 -41.656 1.00 85.96 ATOM 158 O DPR N 21 -69.053 42.408 -42.364 1.00 80.70 ATOM 159 N THR N 22 -69.025 40.211 -41.889 1.00 83.07 ATOM 160 CA THR N 22 -68.254 39.708 -43.052 1.00 85.24 ATOM 161 C THR N 22 -69.133 39.783 -44.305 1.00 81.87 ATOM 162 O THR N 22 -68.753 39.252 -45.351 1.00 87.62 ATOM 163 CB THR N 22 -67.762 38.277 -42.811 1.00 87.54 ATOM 164 OG1 THR N 22 -67.567 38.128 -41.405 1.00 89.20 ATOM 165 CG2 THR N 22 -66.487 37.965 -43.562 1.00 90.61 ATOM 166 N U2X N 23 -70.398 40.089 -44.657 1.00 73.26 ATOM 167 C U2X N 23 -71.746 41.224 -46.382 1.00 75.67 ATOM 168 O U2X N 23 -72.072 42.164 -45.648 1.00 70.97 ATOM 169 CA U2X N 23 -71.374 39.879 -45.715 1.00 72.61 ATOM 170 CB U2X N 23 -72.644 39.180 -45.279 1.00 74.58 ATOM 171 CG U2X N 23 -72.457 37.776 -44.736 1.00 74.17 ATOM 172 CD1 U2X N 23 -71.846 36.780 -45.501 1.00 74.91 ATOM 173 CD2 U2X N 23 -72.919 37.487 -43.440 1.00 73.64 ATOM 174 CE1 U2X N 23 -71.692 35.479 -44.959 1.00 75.23 ATOM 175 CE2 U2X N 23 -72.769 36.191 -42.902 1.00 73.34 ATOM 176 CZ U2X N 23 -72.154 35.194 -43.665 1.00 74.22 ATOM 177 OH U2X N 23 -71.997 33.857 -43.131 1.00 77.25 ATOM 178 C7 U2X N 23 -73.243 33.249 -42.726 1.00 77.04 ATOM 179 C1 U2X N 23 -73.872 29.787 -41.181 1.00 70.96 ATOM 180 C2 U2X N 23 -74.033 31.260 -41.439 1.00 72.29 ATOM 181 C3 U2X N 23 -72.967 31.771 -42.380 1.00 75.01 ATOM 182 C4 U2X N 23 -72.901 30.974 -43.656 1.00 73.87 ATOM 183 C5 U2X N 23 -72.741 29.498 -43.378 1.00 73.79 ATOM 184 C6 U2X N 23 -73.832 29.007 -42.460 1.00 72.26 ATOM 185 N CYS N 24 -71.963 41.215 -47.635 1.00 92.09 ATOM 186 CA CYS N 24 -72.265 42.444 -48.423 1.00 94.90 ATOM 187 C CYS N 24 -73.778 42.610 -48.582 1.00 95.73 ATOM 188 O CYS N 24 -74.379 41.829 -49.341 1.00 99.70 ATOM 189 CB CYS N 24 -71.615 42.377 -49.796 1.00 93.19 ATOM 190 SG CYS N 24 -72.366 43.522 -50.979 1.00 93.29 ATOM 191 N ALA N 25 -74.361 43.613 -47.925 1.00 93.54 ATOM 192 CA ALA N 25 -75.815 43.882 -47.959 1.00 93.23 ATOM 193 C ALA N 25 -76.110 45.103 -48.829 1.00 94.58 ATOM 194 O ALA N 25 -75.339 46.082 -48.810 1.00 98.71 ATOM 195 CB ALA N 25 -76.334 44.066 -46.563 1.00 94.87 ATOM 196 N CYS N 26 -77.219 45.052 -49.560 1.00 95.48 ATOM 197 CA CYS N 26 -77.709 46.187 -50.379 1.00 97.19 ATOM 198 C CYS N 26 -78.861 46.868 -49.642 1.00 91.03 ATOM 199 O CYS N 26 -79.756 46.165 -49.152 1.00 92.76 ATOM 200 CB CYS N 26 -78.136 45.729 -51.766 1.00100.13 ATOM 201 SG CYS N 26 -76.815 44.937 -52.724 1.00100.63 ATOM 202 N VAL N 27 -78.843 48.193 -49.575 1.00 90.70 ATOM 203 CA VAL N 27 -79.867 48.977 -48.819 1.00 92.89 ATOM 204 C VAL N 27 -80.225 50.256 -49.585 1.00 95.08 ATOM 205 O VAL N 27 -80.438 50.205 -50.788 1.00 88.50 ATOM 206 CB VAL N 27 -79.355 49.301 -47.407 1.00 91.25 ATOM 207 CG1 VAL N 27 -79.328 48.068 -46.525 1.00 90.45 ATOM 208 CG2 VAL N 27 -77.988 49.961 -47.463 1.00 93.14 ATOM 209 N NH2 N 28 -80.473 51.473 -49.312 1.00107.62 TER