HEADER METAL BINDING PROTEIN 05-OCT-07 2RGT TITLE Crystal Structure of Lhx3 LIM domains 1 and 2 with the binding domain TITLE 2 of Isl1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Fusion of LIM/homeobox protein Lhx3, linker, Insulin gene COMPND 3 enhancer protein ISL-1; COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES; COMPND 6 Fusion of Lhx3 residues 28-153 to Isl1 residues 262-291 via a glycine COMPND 7 OTHER_DETAILS: rich linker with sequence GGSGGHMGSGG; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.05 ANGSTORMS DBREF 2RGT A 28 153 UNP P50481 LHX3_MOUSE 28 153 DBREF 2RGT A 262 291 UNP P61372 ISL1_MOUSE 262 291 DBREF 2RGT A 154 164 PDB 2RGT 2RGT 154 164 SEQRES 1 A 31 LYS CYS SER ASP CYS HIS VAL PRO LEU ALA GLU ARG CYS SEQRES 2 A 31 PHE SER ARG GLY GLU SER VAL TYR CYS LYS ASP ASP PHE SEQRES 3 A 31 PHE LYS ARG PHE GLY ATOM 1 N LYS A 60 -23.631 42.052 0.125 1.00 44.53 ATOM 2 CA LYS A 60 -23.075 43.191 0.820 1.00 44.51 ATOM 3 C LYS A 60 -22.031 42.674 1.820 1.00 44.08 ATOM 4 O LYS A 60 -22.004 41.459 2.156 1.00 42.21 ATOM 5 CB LYS A 60 -24.194 43.936 1.549 1.00 44.89 ATOM 6 CG LYS A 60 -24.717 43.164 2.737 1.00 47.26 ATOM 7 CD LYS A 60 -25.968 43.775 3.295 1.00 51.92 ATOM 8 CE LYS A 60 -26.763 42.729 4.032 1.00 53.22 ATOM 9 NZ LYS A 60 -28.051 43.291 4.520 1.00 54.98 ATOM 10 N CYS A 61 -21.162 43.586 2.268 1.00 43.39 ATOM 11 CA CYS A 61 -20.132 43.266 3.232 1.00 43.95 ATOM 12 C CYS A 61 -20.744 42.730 4.531 1.00 44.77 ATOM 13 O CYS A 61 -21.636 43.338 5.116 1.00 44.77 ATOM 14 CB CYS A 61 -19.255 44.485 3.514 1.00 43.77 ATOM 15 SG CYS A 61 -17.884 44.141 4.663 1.00 42.83 ATOM 16 N SER A 62 -20.279 41.558 4.953 1.00 46.24 ATOM 17 CA SER A 62 -20.710 40.964 6.217 1.00 47.68 ATOM 18 C SER A 62 -20.594 41.971 7.376 1.00 48.56 ATOM 19 O SER A 62 -21.484 42.020 8.227 1.00 49.49 ATOM 20 CB SER A 62 -19.904 39.683 6.500 1.00 47.77 ATOM 21 OG SER A 62 -20.310 39.039 7.701 1.00 50.53 ATOM 22 N ASP A 63 -19.541 42.799 7.376 1.00 48.96 ATOM 23 CA ASP A 63 -19.244 43.717 8.475 1.00 49.55 ATOM 24 C ASP A 63 -19.762 45.155 8.329 1.00 50.06 ATOM 25 O ASP A 63 -20.186 45.733 9.318 1.00 50.88 ATOM 26 CB ASP A 63 -17.738 43.762 8.788 1.00 49.27 ATOM 27 CG ASP A 63 -17.190 42.435 9.320 1.00 49.73 ATOM 28 OD1 ASP A 63 -17.987 41.593 9.801 1.00 48.02 ATOM 29 OD2 ASP A 63 -15.950 42.234 9.240 1.00 51.02 ATOM 30 N CYS A 64 -19.697 45.767 7.144 1.00 49.94 ATOM 31 CA CYS A 64 -20.236 47.136 6.997 1.00 49.46 ATOM 32 C CYS A 64 -21.548 47.213 6.235 1.00 49.43 ATOM 33 O CYS A 64 -22.109 48.281 6.064 1.00 49.60 ATOM 34 CB CYS A 64 -19.202 48.107 6.410 1.00 49.20 ATOM 35 SG CYS A 64 -18.640 47.824 4.686 1.00 49.12 ATOM 36 N HIS A 65 -22.030 46.061 5.779 1.00 49.83 ATOM 37 CA HIS A 65 -23.264 46.000 5.005 1.00 50.37 ATOM 38 C HIS A 65 -23.247 47.004 3.858 1.00 50.23 ATOM 39 O HIS A 65 -24.252 47.656 3.576 1.00 50.57 ATOM 40 CB HIS A 65 -24.474 46.251 5.907 1.00 51.07 ATOM 41 CG HIS A 65 -24.727 45.159 6.899 1.00 51.84 ATOM 42 ND1 HIS A 65 -25.896 45.065 7.622 1.00 54.34 ATOM 43 CD2 HIS A 65 -23.960 44.113 7.287 1.00 51.41 ATOM 44 CE1 HIS A 65 -25.839 44.009 8.413 1.00 54.50 ATOM 45 NE2 HIS A 65 -24.674 43.414 8.230 1.00 53.74 ATOM 46 N VAL A 66 -22.099 47.123 3.199 1.00 49.76 ATOM 47 CA VAL A 66 -22.013 47.839 1.932 1.00 49.45 ATOM 48 C VAL A 66 -22.052 46.877 0.750 1.00 49.84 ATOM 49 O VAL A 66 -21.417 45.823 0.774 1.00 48.88 ATOM 50 CB VAL A 66 -20.730 48.687 1.850 1.00 49.54 ATOM 51 CG1 VAL A 66 -19.500 47.796 1.926 1.00 48.26 ATOM 52 CG2 VAL A 66 -20.720 49.512 0.572 1.00 49.43 ATOM 53 N PRO A 67 -22.802 47.247 -0.283 1.00 50.12 ATOM 54 CA PRO A 67 -23.058 46.346 -1.411 1.00 50.50 ATOM 55 C PRO A 67 -21.789 46.058 -2.205 1.00 50.33 ATOM 56 O PRO A 67 -21.008 46.972 -2.471 1.00 50.21 ATOM 57 CB PRO A 67 -24.046 47.139 -2.268 1.00 51.32 ATOM 58 CG PRO A 67 -23.738 48.563 -1.967 1.00 51.58 ATOM 59 CD PRO A 67 -23.339 48.599 -0.519 1.00 50.34 ATOM 60 N LEU A 68 -21.591 44.798 -2.577 1.00 50.00 ATOM 61 CA LEU A 68 -20.355 44.376 -3.245 1.00 49.37 ATOM 62 C LEU A 68 -20.529 44.339 -4.759 1.00 50.14 ATOM 63 O LEU A 68 -21.518 43.766 -5.250 1.00 50.26 ATOM 64 CB LEU A 68 -19.916 43.015 -2.695 1.00 48.42 ATOM 65 CG LEU A 68 -19.608 43.117 -1.197 1.00 45.93 ATOM 66 CD1 LEU A 68 -19.319 41.772 -0.558 1.00 44.49 ATOM 67 CD2 LEU A 68 -18.463 44.031 -1.004 1.00 46.46 ATOM 68 N ALA A 69 -19.578 44.960 -5.480 1.00 50.68 ATOM 69 CA ALA A 69 -19.555 45.011 -6.954 1.00 51.13 ATOM 70 C ALA A 69 -18.207 44.560 -7.566 1.00 51.61 ATOM 71 O ALA A 69 -17.167 44.688 -6.944 1.00 50.95 ATOM 72 CB ALA A 69 -19.907 46.403 -7.419 1.00 51.69 ATOM 73 N GLU A 70 -18.284 43.970 -8.751 1.00 52.35 ATOM 74 CA GLU A 70 -17.130 43.478 -9.490 1.00 53.39 ATOM 75 C GLU A 70 -16.336 42.311 -8.901 1.00 52.75 ATOM 76 O GLU A 70 -16.213 41.264 -9.520 1.00 52.35 ATOM 77 CB GLU A 70 -16.238 44.625 -9.960 1.00 53.57 ATOM 78 CG GLU A 70 -16.516 45.088 -11.393 1.00 56.62 ATOM 79 CD GLU A 70 -17.961 45.527 -11.628 1.00 61.39 ATOM 80 OE1 GLU A 70 -18.327 46.649 -11.222 1.00 62.46 ATOM 81 OE2 GLU A 70 -18.728 44.752 -12.233 1.00 61.01 ATOM 82 N ARG A 71 -15.799 42.500 -7.706 1.00 52.91 ATOM 83 CA ARG A 71 -15.142 41.429 -6.941 1.00 53.07 ATOM 84 C ARG A 71 -15.500 41.540 -5.479 1.00 52.35 ATOM 85 O ARG A 71 -15.913 42.601 -5.000 1.00 52.46 ATOM 86 CB ARG A 71 -13.614 41.496 -7.057 1.00 54.14 ATOM 87 CG ARG A 71 -12.970 40.513 -8.044 1.00 57.14 ATOM 88 CD ARG A 71 -11.626 41.047 -8.539 1.00 61.95 ATOM 89 NE ARG A 71 -11.881 42.179 -9.428 1.00 67.19 ATOM 90 CZ ARG A 71 -11.857 43.460 -9.060 1.00 67.39 ATOM 91 NH1 ARG A 71 -11.537 43.805 -7.807 1.00 66.18 ATOM 92 NH2 ARG A 71 -12.142 44.394 -9.969 1.00 66.62 ATOM 93 N CYS A 72 -15.322 40.433 -4.774 1.00 51.52 ATOM 94 CA CYS A 72 -15.413 40.417 -3.331 1.00 50.83 ATOM 95 C CYS A 72 -14.510 39.338 -2.731 1.00 51.03 ATOM 96 O CYS A 72 -14.097 38.392 -3.399 1.00 50.54 ATOM 97 CB CYS A 72 -16.870 40.236 -2.877 1.00 50.05 ATOM 98 SG CYS A 72 -17.512 38.694 -3.368 1.00 48.02 ATOM 99 N PHE A 73 -14.269 39.475 -1.438 1.00 52.21 ATOM 100 CA PHE A 73 -13.332 38.633 -0.727 1.00 52.89 ATOM 101 C PHE A 73 -14.079 37.834 0.310 1.00 53.28 ATOM 102 O PHE A 73 -15.047 38.307 0.874 1.00 52.97 ATOM 103 CB PHE A 73 -12.260 39.506 -0.089 1.00 52.66 ATOM 104 CG PHE A 73 -11.687 40.504 -1.035 1.00 54.55 ATOM 105 CD1 PHE A 73 -10.464 40.293 -1.621 1.00 54.83 ATOM 106 CD2 PHE A 73 -12.403 41.622 -1.389 1.00 55.43 ATOM 107 CE1 PHE A 73 -9.954 41.195 -2.507 1.00 55.48 ATOM 108 CE2 PHE A 73 -11.890 42.524 -2.277 1.00 55.81 ATOM 109 CZ PHE A 73 -10.668 42.308 -2.836 1.00 54.47 ATOM 110 N SER A 74 -13.634 36.608 0.536 1.00 54.38 ATOM 111 CA SER A 74 -14.404 35.654 1.299 1.00 55.69 ATOM 112 C SER A 74 -13.512 34.751 2.125 1.00 56.89 ATOM 113 O SER A 74 -12.412 34.412 1.715 1.00 56.70 ATOM 114 CB SER A 74 -15.281 34.818 0.373 1.00 55.96 ATOM 115 OG SER A 74 -14.565 33.724 -0.158 1.00 55.00 ATOM 116 N ARG A 75 -13.997 34.370 3.302 1.00 58.39 ATOM 117 CA ARG A 75 -13.156 33.749 4.318 1.00 59.85 ATOM 118 C ARG A 75 -13.630 32.331 4.616 1.00 60.19 ATOM 119 O ARG A 75 -13.559 31.866 5.753 1.00 60.96 ATOM 120 CB ARG A 75 -11.695 33.731 3.866 1.00 60.04 ATOM 121 CG ARG A 75 -10.700 34.059 4.967 1.00 61.93 ATOM 122 CD ARG A 75 -9.888 35.298 4.627 1.00 63.96 ATOM 123 NE ARG A 75 -8.573 35.282 5.260 1.00 64.59 ATOM 124 CZ ARG A 75 -8.304 34.670 6.409 1.00 67.49 ATOM 125 NH1 ARG A 75 -9.262 34.020 7.056 1.00 66.86 ATOM 126 NH2 ARG A 75 -7.078 34.707 6.912 1.00 67.79 ATOM 127 N GLY A 76 -14.114 31.651 3.582 1.00 60.47 ATOM 128 CA GLY A 76 -15.022 30.530 3.755 1.00 60.99 ATOM 129 C GLY A 76 -16.433 30.807 3.261 1.00 60.77 ATOM 130 O GLY A 76 -16.734 30.665 2.076 1.00 60.94 ATOM 131 N GLU A 77 -17.295 31.205 4.189 1.00 60.29 ATOM 132 CA GLU A 77 -18.732 31.318 3.970 1.00 59.66 ATOM 133 C GLU A 77 -19.145 32.771 3.756 1.00 58.66 ATOM 134 O GLU A 77 -20.072 33.057 2.999 1.00 58.42 ATOM 135 CB GLU A 77 -19.502 30.721 5.150 1.00 60.21 ATOM 136 CG GLU A 77 -20.166 29.388 4.846 1.00 62.13 ATOM 137 CD GLU A 77 -21.658 29.520 4.612 1.00 66.34 ATOM 138 OE1 GLU A 77 -22.174 30.656 4.679 1.00 67.67 ATOM 139 OE2 GLU A 77 -22.316 28.489 4.360 1.00 67.37 ATOM 140 N SER A 78 -18.450 33.683 4.428 1.00 57.06 ATOM 141 CA SER A 78 -18.882 35.075 4.501 1.00 54.74 ATOM 142 C SER A 78 -18.163 35.927 3.455 1.00 53.52 ATOM 143 O SER A 78 -17.095 35.561 2.994 1.00 53.64 ATOM 144 CB SER A 78 -18.587 35.624 5.891 1.00 54.68 ATOM 145 OG SER A 78 -19.661 35.400 6.777 1.00 54.72 ATOM 146 N VAL A 79 -18.752 37.058 3.083 1.00 51.15 ATOM 147 CA VAL A 79 -18.139 37.937 2.095 1.00 49.48 ATOM 148 C VAL A 79 -17.891 39.284 2.735 1.00 47.89 ATOM 149 O VAL A 79 -18.660 39.736 3.602 1.00 46.81 ATOM 150 CB VAL A 79 -19.003 38.128 0.810 1.00 49.61 ATOM 151 CG1 VAL A 79 -19.125 36.840 0.051 1.00 50.66 ATOM 152 CG2 VAL A 79 -20.402 38.631 1.146 1.00 50.29 ATOM 153 N TYR A 80 -16.807 39.915 2.285 1.00 46.68 ATOM 154 CA TYR A 80 -16.297 41.178 2.819 1.00 45.31 ATOM 155 C TYR A 80 -15.916 42.088 1.667 1.00 44.41 ATOM 156 O TYR A 80 -15.481 41.624 0.608 1.00 42.70 ATOM 157 CB TYR A 80 -15.071 40.942 3.708 1.00 45.03 ATOM 158 CG TYR A 80 -15.342 39.970 4.849 1.00 45.77 ATOM 159 CD1 TYR A 80 -15.918 40.406 6.046 1.00 46.62 ATOM 160 CD2 TYR A 80 -15.073 38.588 4.702 1.00 45.65 ATOM 161 CE1 TYR A 80 -16.205 39.474 7.103 1.00 43.99 ATOM 162 CE2 TYR A 80 -15.344 37.668 5.733 1.00 45.70 ATOM 163 CZ TYR A 80 -15.901 38.114 6.926 1.00 45.55 ATOM 164 OH TYR A 80 -16.149 37.201 7.932 1.00 43.69 ATOM 165 N CYS A 81 -16.169 43.369 1.857 1.00 44.03 ATOM 166 CA CYS A 81 -15.452 44.400 1.137 1.00 45.82 ATOM 167 C CYS A 81 -13.965 44.391 1.541 1.00 46.11 ATOM 168 O CYS A 81 -13.612 43.949 2.625 1.00 46.45 ATOM 169 CB CYS A 81 -16.054 45.757 1.466 1.00 45.87 ATOM 170 SG CYS A 81 -15.355 46.510 2.988 1.00 49.10 ATOM 171 N LYS A 82 -13.109 44.911 0.673 1.00 46.50 ATOM 172 CA LYS A 82 -11.656 44.957 0.892 1.00 47.08 ATOM 173 C LYS A 82 -11.166 45.549 2.231 1.00 46.88 ATOM 174 O LYS A 82 -10.329 44.957 2.886 1.00 47.25 ATOM 175 CB LYS A 82 -11.017 45.709 -0.296 1.00 46.09 ATOM 176 CG LYS A 82 -9.530 45.498 -0.499 1.00 47.87 ATOM 177 CD LYS A 82 -9.043 46.330 -1.711 1.00 48.51 ATOM 178 CE LYS A 82 -7.763 45.735 -2.292 1.00 52.00 ATOM 179 NZ LYS A 82 -7.606 45.909 -3.764 1.00 52.71 ATOM 180 N ASP A 83 -11.604 46.752 2.591 1.00 47.51 ATOM 181 CA ASP A 83 -11.249 47.357 3.879 1.00 48.48 ATOM 182 C ASP A 83 -11.434 46.306 4.989 1.00 47.87 ATOM 183 O ASP A 83 -10.480 45.907 5.674 1.00 46.94 ATOM 184 CB ASP A 83 -12.109 48.617 4.196 1.00 48.89 ATOM 185 CG ASP A 83 -11.821 49.833 3.252 1.00 52.09 ATOM 186 OD1 ASP A 83 -10.698 49.941 2.702 1.00 54.02 ATOM 187 OD2 ASP A 83 -12.729 50.697 3.049 1.00 54.60 ATOM 188 N ASP A 84 -12.677 45.851 5.150 1.00 47.45 ATOM 189 CA ASP A 84 -13.037 45.018 6.279 1.00 47.32 ATOM 190 C ASP A 84 -12.345 43.665 6.262 1.00 46.96 ATOM 191 O ASP A 84 -12.097 43.090 7.328 1.00 46.38 ATOM 192 CB ASP A 84 -14.552 44.852 6.396 1.00 47.68 ATOM 193 CG ASP A 84 -15.229 46.089 7.003 1.00 47.56 ATOM 194 OD1 ASP A 84 -16.238 46.563 6.422 1.00 46.32 ATOM 195 OD2 ASP A 84 -14.784 46.577 8.070 1.00 45.70 ATOM 196 N PHE A 85 -12.012 43.175 5.068 1.00 46.52 ATOM 197 CA PHE A 85 -11.277 41.899 4.940 1.00 46.12 ATOM 198 C PHE A 85 -9.882 42.035 5.555 1.00 46.11 ATOM 199 O PHE A 85 -9.393 41.101 6.166 1.00 46.06 ATOM 200 CB PHE A 85 -11.174 41.449 3.476 1.00 45.76 ATOM 201 CG PHE A 85 -10.460 40.129 3.288 1.00 45.60 ATOM 202 CD1 PHE A 85 -11.153 38.924 3.409 1.00 45.73 ATOM 203 CD2 PHE A 85 -9.092 40.097 2.991 1.00 46.70 ATOM 204 CE1 PHE A 85 -10.510 37.703 3.270 1.00 45.85 ATOM 205 CE2 PHE A 85 -8.431 38.897 2.833 1.00 47.63 ATOM 206 CZ PHE A 85 -9.147 37.673 2.967 1.00 47.75 ATOM 207 N PHE A 86 -9.264 43.199 5.383 1.00 46.04 ATOM 208 CA PHE A 86 -7.890 43.409 5.822 1.00 46.12 ATOM 209 C PHE A 86 -7.834 43.772 7.302 1.00 45.85 ATOM 210 O PHE A 86 -6.852 43.482 7.986 1.00 46.22 ATOM 211 CB PHE A 86 -7.222 44.503 4.987 1.00 46.73 ATOM 212 CG PHE A 86 -6.631 44.007 3.699 1.00 47.50 ATOM 213 CD1 PHE A 86 -5.897 42.833 3.665 1.00 47.11 ATOM 214 CD2 PHE A 86 -6.809 44.714 2.521 1.00 49.85 ATOM 215 CE1 PHE A 86 -5.352 42.373 2.481 1.00 48.89 ATOM 216 CE2 PHE A 86 -6.266 44.259 1.335 1.00 51.44 ATOM 217 CZ PHE A 86 -5.537 43.087 1.315 1.00 50.14 ATOM 218 N LYS A 87 -8.879 44.455 7.759 1.00 44.97 ATOM 219 CA LYS A 87 -9.091 44.783 9.159 1.00 45.03 ATOM 220 C LYS A 87 -9.304 43.516 9.962 1.00 44.53 ATOM 221 O LYS A 87 -8.889 43.415 11.101 1.00 45.92 ATOM 222 CB LYS A 87 -10.333 45.658 9.304 1.00 44.64 ATOM 223 CG LYS A 87 -10.092 47.136 9.183 1.00 47.59 ATOM 224 CD LYS A 87 -11.208 47.817 8.430 1.00 51.88 ATOM 225 CE LYS A 87 -12.119 48.582 9.357 1.00 52.13 ATOM 226 NZ LYS A 87 -12.244 50.006 8.983 1.00 53.38 ATOM 227 N ARG A 88 -9.963 42.554 9.343 1.00 43.76 ATOM 228 CA ARG A 88 -10.366 41.327 10.021 1.00 42.02 ATOM 229 C ARG A 88 -9.281 40.260 9.922 1.00 42.41 ATOM 230 O ARG A 88 -8.892 39.662 10.925 1.00 41.87 ATOM 231 CB ARG A 88 -11.678 40.800 9.437 1.00 42.55 ATOM 232 CG ARG A 88 -12.295 39.658 10.229 1.00 41.82 ATOM 233 CD ARG A 88 -13.737 39.415 9.814 1.00 43.99 ATOM 234 NE ARG A 88 -14.670 40.254 10.561 1.00 41.78 ATOM 235 CZ ARG A 88 -15.077 39.999 11.800 1.00 44.64 ATOM 236 NH1 ARG A 88 -14.634 38.924 12.437 1.00 42.82 ATOM 237 NH2 ARG A 88 -15.928 40.818 12.402 1.00 39.88 ATOM 238 N PHE A 89 -8.798 40.026 8.706 1.00 41.61 ATOM 239 CA PHE A 89 -7.882 38.939 8.450 1.00 41.90 ATOM 240 C PHE A 89 -6.475 39.401 8.221 1.00 41.56 ATOM 241 O PHE A 89 -5.581 38.571 8.135 1.00 41.75 ATOM 242 CB PHE A 89 -8.401 38.079 7.317 1.00 42.71 ATOM 243 CG PHE A 89 -9.790 37.564 7.562 1.00 43.42 ATOM 244 CD1 PHE A 89 -10.022 36.572 8.510 1.00 45.31 ATOM 245 CD2 PHE A 89 -10.866 38.082 6.876 1.00 42.89 ATOM 246 CE1 PHE A 89 -11.294 36.082 8.725 1.00 42.49 ATOM 247 CE2 PHE A 89 -12.140 37.588 7.119 1.00 42.55 ATOM 248 CZ PHE A 89 -12.344 36.604 8.034 1.00 42.18 ATOM 249 N GLY A 90 -6.262 40.721 8.141 1.00 39.88 ATOM 250 CA GLY A 90 -4.904 41.254 7.973 1.00 39.85 ATOM 251 C GLY A 90 -3.976 41.149 9.183 1.00 39.70 ATOM 252 O GLY A 90 -4.358 40.714 10.276 1.00 37.77 ATOM 253 ZN ZN A 206 -17.100 46.186 4.522 1.00 51.90 TER