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 28 PRO MET CYS ALA GLY CYS ASP GLN HIS ILE LEU ASP ARG SEQRES 2 A 28 PHE ILE LEU LYS ALA LEU ASP ARG HIS TRP HIS SER LYS SEQRES 3 A 28 CYS LEU ATOM 1 N PRO A 32 -34.399 30.529 -7.915 1.00 50.06 ATOM 2 CA PRO A 32 -33.140 31.197 -7.505 1.00 50.19 ATOM 3 C PRO A 32 -33.144 31.610 -6.019 1.00 50.22 ATOM 4 O PRO A 32 -33.679 32.661 -5.675 1.00 50.43 ATOM 5 CB PRO A 32 -33.094 32.422 -8.416 1.00 49.84 ATOM 6 CG PRO A 32 -33.769 31.968 -9.675 1.00 49.35 ATOM 7 CD PRO A 32 -34.799 30.902 -9.284 1.00 50.66 ATOM 8 N MET A 33 -32.586 30.780 -5.143 1.00 50.10 ATOM 9 CA MET A 33 -32.522 31.124 -3.713 1.00 50.43 ATOM 10 C MET A 33 -31.311 32.020 -3.392 1.00 50.28 ATOM 11 O MET A 33 -30.147 31.654 -3.638 1.00 50.92 ATOM 12 CB MET A 33 -32.571 29.861 -2.818 1.00 51.09 ATOM 13 CG MET A 33 -32.069 30.040 -1.373 1.00 51.94 ATOM 14 SD MET A 33 -33.145 31.008 -0.273 1.00 56.55 ATOM 15 CE MET A 33 -34.506 29.883 0.039 1.00 54.16 ATOM 16 N CYS A 34 -31.563 33.194 -2.821 1.00 48.45 ATOM 17 CA CYS A 34 -30.489 34.163 -2.586 1.00 47.95 ATOM 18 C CYS A 34 -29.836 33.811 -1.246 1.00 48.28 ATOM 19 O CYS A 34 -30.521 33.410 -0.306 1.00 48.78 ATOM 20 CB CYS A 34 -31.014 35.592 -2.740 1.00 47.98 ATOM 21 SG CYS A 34 -30.320 36.774 -1.561 1.00 44.69 ATOM 22 N ALA A 35 -28.507 33.796 -1.256 1.00 47.42 ATOM 23 CA ALA A 35 -27.826 33.000 -0.246 1.00 47.59 ATOM 24 C ALA A 35 -27.635 34.007 0.855 1.00 48.02 ATOM 25 O ALA A 35 -27.105 33.717 1.928 1.00 47.99 ATOM 26 CB ALA A 35 -26.481 32.520 -0.767 1.00 47.06 ATOM 27 N GLY A 36 -28.079 35.231 0.588 1.00 47.96 ATOM 28 CA GLY A 36 -27.939 36.318 1.539 1.00 48.28 ATOM 29 C GLY A 36 -29.065 36.349 2.554 1.00 48.78 ATOM 30 O GLY A 36 -28.827 36.469 3.756 1.00 48.91 ATOM 31 N CYS A 37 -30.275 36.290 2.020 1.00 48.38 ATOM 32 CA CYS A 37 -31.504 36.371 2.771 1.00 48.87 ATOM 33 C CYS A 37 -32.373 35.359 2.100 1.00 49.65 ATOM 34 O CYS A 37 -32.792 35.553 0.964 1.00 49.99 ATOM 35 CB CYS A 37 -32.162 37.724 2.559 1.00 48.55 ATOM 36 SG CYS A 37 -33.264 37.793 1.131 1.00 47.73 ATOM 37 N ASP A 38 -32.623 34.253 2.767 1.00 50.47 ATOM 38 CA ASP A 38 -33.224 33.145 2.063 1.00 51.17 ATOM 39 C ASP A 38 -34.480 33.355 1.222 1.00 50.42 ATOM 40 O ASP A 38 -34.957 32.443 0.563 1.00 50.79 ATOM 41 CB ASP A 38 -32.952 31.840 2.801 1.00 51.12 ATOM 42 CG ASP A 38 -31.465 31.601 3.020 1.00 52.49 ATOM 43 OD1 ASP A 38 -30.716 31.551 2.029 1.00 51.16 ATOM 44 OD2 ASP A 38 -31.048 31.467 4.185 1.00 53.57 ATOM 45 N GLN A 39 -35.001 34.578 1.255 1.00 49.72 ATOM 46 CA GLN A 39 -35.942 34.696 0.146 1.00 48.74 ATOM 47 C GLN A 39 -35.285 34.409 -1.203 1.00 48.44 ATOM 48 O GLN A 39 -34.147 34.807 -1.451 1.00 48.62 ATOM 49 CB GLN A 39 -36.584 36.085 0.133 1.00 48.08 ATOM 50 CG GLN A 39 -37.123 36.532 1.482 1.00 47.76 ATOM 51 CD GLN A 39 -38.213 37.578 1.356 1.00 46.84 ATOM 52 OE1 GLN A 39 -38.753 37.802 0.273 1.00 46.86 ATOM 53 NE2 GLN A 39 -38.542 38.227 2.468 1.00 46.00 ATOM 54 N HIS A 40 -36.018 33.715 -2.068 1.00 48.52 ATOM 55 CA HIS A 40 -35.678 33.615 -3.495 1.00 48.65 ATOM 56 C HIS A 40 -35.692 34.964 -4.232 1.00 48.86 ATOM 57 O HIS A 40 -36.097 35.978 -3.664 1.00 49.13 ATOM 58 CB HIS A 40 -36.605 32.623 -4.199 1.00 48.13 ATOM 59 CG HIS A 40 -36.600 31.255 -3.590 1.00 48.26 ATOM 60 ND1 HIS A 40 -37.254 30.962 -2.413 1.00 48.33 ATOM 61 CD2 HIS A 40 -36.020 30.101 -3.995 1.00 48.54 ATOM 62 CE1 HIS A 40 -37.077 29.686 -2.119 1.00 47.58 ATOM 63 NE2 HIS A 40 -36.332 29.141 -3.063 1.00 49.32 ATOM 64 N ILE A 41 -35.249 34.973 -5.492 1.00 49.20 ATOM 65 CA ILE A 41 -34.885 36.250 -6.177 1.00 49.26 ATOM 66 C ILE A 41 -35.697 36.548 -7.437 1.00 49.14 ATOM 67 O ILE A 41 -35.563 35.860 -8.447 1.00 48.86 ATOM 68 CB ILE A 41 -33.372 36.327 -6.552 1.00 49.21 ATOM 69 CG1 ILE A 41 -32.492 35.824 -5.411 1.00 49.05 ATOM 70 CG2 ILE A 41 -32.970 37.751 -6.930 1.00 49.39 ATOM 71 CD1 ILE A 41 -31.146 35.326 -5.875 1.00 49.73 ATOM 72 N LEU A 42 -36.505 37.604 -7.370 1.00 49.22 ATOM 73 CA LEU A 42 -37.355 38.024 -8.489 1.00 49.34 ATOM 74 C LEU A 42 -36.806 39.198 -9.302 1.00 49.13 ATOM 75 O LEU A 42 -37.220 39.414 -10.443 1.00 49.48 ATOM 76 CB LEU A 42 -38.768 38.353 -7.985 1.00 49.46 ATOM 77 CG LEU A 42 -39.944 37.454 -8.374 1.00 48.71 ATOM 78 CD1 LEU A 42 -39.621 35.979 -8.194 1.00 47.43 ATOM 79 CD2 LEU A 42 -41.164 37.869 -7.555 1.00 49.35 ATOM 80 N ASP A 43 -35.870 39.941 -8.713 1.00 49.10 ATOM 81 CA ASP A 43 -35.320 41.181 -9.293 1.00 48.41 ATOM 82 C ASP A 43 -34.949 41.126 -10.782 1.00 48.36 ATOM 83 O ASP A 43 -34.590 40.058 -11.329 1.00 47.87 ATOM 84 CB ASP A 43 -34.115 41.699 -8.471 1.00 48.09 ATOM 85 CG ASP A 43 -34.447 41.913 -6.990 1.00 47.77 ATOM 86 OD1 ASP A 43 -35.617 41.712 -6.556 1.00 44.63 ATOM 87 OD2 ASP A 43 -33.512 42.264 -6.243 1.00 47.62 ATOM 88 N ARG A 44 -35.060 42.297 -11.419 1.00 48.26 ATOM 89 CA ARG A 44 -34.587 42.527 -12.787 1.00 48.57 ATOM 90 C ARG A 44 -33.160 41.987 -12.993 1.00 48.01 ATOM 91 O ARG A 44 -32.892 41.277 -13.969 1.00 47.87 ATOM 92 CB ARG A 44 -34.626 44.029 -13.120 1.00 48.84 ATOM 93 CG ARG A 44 -35.674 44.475 -13.911 1.00 67.23 ATOM 94 CD ARG A 44 -35.647 45.996 -14.065 1.00 74.09 ATOM 95 NE ARG A 44 -36.422 46.661 -13.022 1.00 77.06 ATOM 96 CZ ARG A 44 -37.455 47.470 -13.241 1.00 80.24 ATOM 97 NH1 ARG A 44 -37.864 47.731 -14.480 1.00 79.71 ATOM 98 NH2 ARG A 44 -38.082 48.019 -12.212 1.00 80.26 ATOM 99 N PHE A 45 -32.267 42.297 -12.053 1.00 47.68 ATOM 100 CA PHE A 45 -30.879 41.861 -12.155 1.00 47.11 ATOM 101 C PHE A 45 -30.478 40.968 -11.020 1.00 46.63 ATOM 102 O PHE A 45 -30.812 41.253 -9.871 1.00 47.12 ATOM 103 CB PHE A 45 -29.968 43.062 -12.218 1.00 47.69 ATOM 104 CG PHE A 45 -30.358 44.037 -13.273 1.00 47.32 ATOM 105 CD1 PHE A 45 -30.013 43.804 -14.601 1.00 48.43 ATOM 106 CD2 PHE A 45 -31.090 45.177 -12.943 1.00 45.82 ATOM 107 CE1 PHE A 45 -30.385 44.697 -15.587 1.00 49.30 ATOM 108 CE2 PHE A 45 -31.464 46.083 -13.906 1.00 47.02 ATOM 109 CZ PHE A 45 -31.117 45.844 -15.238 1.00 48.80 ATOM 110 N ILE A 46 -29.769 39.887 -11.361 1.00 45.78 ATOM 111 CA ILE A 46 -29.334 38.843 -10.418 1.00 45.22 ATOM 112 C ILE A 46 -27.808 38.852 -10.353 1.00 45.00 ATOM 113 O ILE A 46 -27.155 38.966 -11.388 1.00 43.45 ATOM 114 CB ILE A 46 -29.811 37.403 -10.872 1.00 45.41 ATOM 115 CG1 ILE A 46 -31.263 37.414 -11.355 1.00 44.36 ATOM 116 CG2 ILE A 46 -29.617 36.362 -9.758 1.00 46.26 ATOM 117 CD1 ILE A 46 -32.257 37.197 -10.281 1.00 43.67 ATOM 118 N LEU A 47 -27.259 38.727 -9.149 1.00 44.63 ATOM 119 CA LEU A 47 -25.816 38.629 -8.967 1.00 45.38 ATOM 120 C LEU A 47 -25.360 37.176 -8.888 1.00 44.96 ATOM 121 O LEU A 47 -26.004 36.346 -8.246 1.00 45.20 ATOM 122 CB LEU A 47 -25.381 39.386 -7.711 1.00 45.02 ATOM 123 CG LEU A 47 -25.343 40.912 -7.817 1.00 46.23 ATOM 124 CD1 LEU A 47 -24.497 41.508 -6.703 1.00 45.83 ATOM 125 CD2 LEU A 47 -24.823 41.343 -9.180 1.00 47.05 ATOM 126 N LYS A 48 -24.245 36.877 -9.546 1.00 45.53 ATOM 127 CA LYS A 48 -23.575 35.587 -9.392 1.00 46.21 ATOM 128 C LYS A 48 -22.225 35.767 -8.679 1.00 45.98 ATOM 129 O LYS A 48 -21.350 36.493 -9.163 1.00 46.31 ATOM 130 CB LYS A 48 -23.384 34.928 -10.769 1.00 46.98 ATOM 131 CG LYS A 48 -23.948 33.483 -10.890 1.00 47.73 ATOM 132 CD LYS A 48 -22.916 32.364 -10.569 1.00 50.08 ATOM 133 CE LYS A 48 -23.616 31.111 -9.976 1.00 50.52 ATOM 134 NZ LYS A 48 -22.972 29.792 -10.287 1.00 51.73 ATOM 135 N ALA A 49 -22.069 35.121 -7.522 1.00 45.49 ATOM 136 CA ALA A 49 -20.829 35.201 -6.736 1.00 45.09 ATOM 137 C ALA A 49 -20.687 33.999 -5.821 1.00 44.96 ATOM 138 O ALA A 49 -21.647 33.599 -5.165 1.00 43.64 ATOM 139 CB ALA A 49 -20.771 36.488 -5.923 1.00 44.81 ATOM 140 N LEU A 50 -19.468 33.458 -5.781 1.00 45.61 ATOM 141 CA LEU A 50 -19.099 32.275 -4.982 1.00 46.23 ATOM 142 C LEU A 50 -19.972 31.104 -5.375 1.00 47.37 ATOM 143 O LEU A 50 -20.370 30.269 -4.537 1.00 47.24 ATOM 144 CB LEU A 50 -19.183 32.533 -3.468 1.00 46.09 ATOM 145 CG LEU A 50 -18.522 33.743 -2.829 1.00 44.41 ATOM 146 CD1 LEU A 50 -18.774 33.647 -1.337 1.00 47.44 ATOM 147 CD2 LEU A 50 -17.038 33.778 -3.075 1.00 42.97 ATOM 148 N ASP A 51 -20.206 31.004 -6.680 1.00 48.23 ATOM 149 CA ASP A 51 -21.234 30.131 -7.212 1.00 49.40 ATOM 150 C ASP A 51 -22.431 30.181 -6.285 1.00 49.57 ATOM 151 O ASP A 51 -22.863 29.155 -5.760 1.00 49.92 ATOM 152 CB ASP A 51 -20.714 28.696 -7.322 1.00 49.74 ATOM 153 CG ASP A 51 -20.287 28.338 -8.732 1.00 52.06 ATOM 154 OD1 ASP A 51 -19.321 28.948 -9.235 1.00 53.36 ATOM 155 OD2 ASP A 51 -20.917 27.445 -9.337 1.00 52.38 ATOM 156 N ARG A 52 -22.968 31.380 -6.083 1.00 48.97 ATOM 157 CA ARG A 52 -24.238 31.542 -5.384 1.00 49.07 ATOM 158 C ARG A 52 -25.033 32.714 -5.950 1.00 48.38 ATOM 159 O ARG A 52 -24.486 33.567 -6.650 1.00 48.93 ATOM 160 CB ARG A 52 -24.003 31.741 -3.886 1.00 49.24 ATOM 161 CG ARG A 52 -23.688 30.459 -3.131 1.00 51.45 ATOM 162 CD ARG A 52 -23.970 30.610 -1.645 1.00 56.72 ATOM 163 NE ARG A 52 -25.399 30.547 -1.351 1.00 57.78 ATOM 164 CZ ARG A 52 -26.133 29.443 -1.447 1.00 57.68 ATOM 165 NH1 ARG A 52 -25.574 28.304 -1.831 1.00 55.88 ATOM 166 NH2 ARG A 52 -27.427 29.478 -1.159 1.00 56.72 ATOM 167 N HIS A 53 -26.325 32.749 -5.643 1.00 47.71 ATOM 168 CA HIS A 53 -27.237 33.695 -6.275 1.00 46.95 ATOM 169 C HIS A 53 -27.777 34.700 -5.263 1.00 45.82 ATOM 170 O HIS A 53 -28.255 34.322 -4.193 1.00 45.70 ATOM 171 CB HIS A 53 -28.393 32.956 -6.950 1.00 47.25 ATOM 172 CG HIS A 53 -28.112 32.559 -8.366 1.00 48.14 ATOM 173 ND1 HIS A 53 -28.131 31.248 -8.790 1.00 47.90 ATOM 174 CD2 HIS A 53 -27.805 33.302 -9.456 1.00 48.06 ATOM 175 CE1 HIS A 53 -27.848 31.200 -10.080 1.00 48.98 ATOM 176 NE2 HIS A 53 -27.646 32.433 -10.508 1.00 49.99 ATOM 177 N TRP A 54 -27.698 35.981 -5.608 1.00 45.22 ATOM 178 CA TRP A 54 -27.942 37.053 -4.644 1.00 44.61 ATOM 179 C TRP A 54 -28.879 38.134 -5.207 1.00 44.70 ATOM 180 O TRP A 54 -28.741 38.521 -6.380 1.00 44.14 ATOM 181 CB TRP A 54 -26.603 37.750 -4.265 1.00 44.53 ATOM 182 CG TRP A 54 -25.475 36.837 -3.842 1.00 44.44 ATOM 183 CD1 TRP A 54 -24.642 36.114 -4.658 1.00 43.19 ATOM 184 CD2 TRP A 54 -25.062 36.560 -2.501 1.00 44.11 ATOM 185 NE1 TRP A 54 -23.754 35.386 -3.903 1.00 42.02 ATOM 186 CE2 TRP A 54 -23.992 35.634 -2.576 1.00 44.08 ATOM 187 CE3 TRP A 54 -25.500 36.997 -1.238 1.00 45.32 ATOM 188 CZ2 TRP A 54 -23.319 35.164 -1.433 1.00 44.42 ATOM 189 CZ3 TRP A 54 -24.849 36.505 -0.087 1.00 44.81 ATOM 190 CH2 TRP A 54 -23.756 35.612 -0.201 1.00 45.29 ATOM 191 N HIS A 55 -29.792 38.644 -4.370 1.00 44.58 ATOM 192 CA HIS A 55 -30.287 40.019 -4.547 1.00 44.99 ATOM 193 C HIS A 55 -29.050 40.891 -4.423 1.00 45.90 ATOM 194 O HIS A 55 -28.179 40.580 -3.615 1.00 45.87 ATOM 195 CB HIS A 55 -31.212 40.463 -3.412 1.00 44.63 ATOM 196 CG HIS A 55 -32.463 39.657 -3.279 1.00 43.74 ATOM 197 ND1 HIS A 55 -32.676 38.791 -2.227 1.00 40.27 ATOM 198 CD2 HIS A 55 -33.562 39.581 -4.065 1.00 41.86 ATOM 199 CE1 HIS A 55 -33.853 38.212 -2.378 1.00 42.85 ATOM 200 NE2 HIS A 55 -34.407 38.672 -3.486 1.00 41.99 ATOM 201 N SER A 56 -28.982 41.997 -5.163 1.00 47.19 ATOM 202 CA SER A 56 -27.836 42.923 -5.052 1.00 48.15 ATOM 203 C SER A 56 -27.779 43.710 -3.714 1.00 48.73 ATOM 204 O SER A 56 -26.709 44.175 -3.298 1.00 48.94 ATOM 205 CB SER A 56 -27.745 43.840 -6.282 1.00 48.47 ATOM 206 OG SER A 56 -28.843 44.727 -6.385 1.00 50.00 ATOM 207 N LYS A 57 -28.932 43.839 -3.054 1.00 48.73 ATOM 208 CA LYS A 57 -29.043 44.391 -1.697 1.00 48.99 ATOM 209 C LYS A 57 -28.391 43.455 -0.653 1.00 48.48 ATOM 210 O LYS A 57 -27.894 43.919 0.389 1.00 49.16 ATOM 211 CB LYS A 57 -30.531 44.630 -1.350 1.00 50.40 ATOM 212 CG LYS A 57 -31.373 45.395 -2.437 1.00 52.77 ATOM 213 CD LYS A 57 -30.687 46.743 -2.832 1.00 55.65 ATOM 214 CE LYS A 57 -31.612 47.784 -3.489 1.00 55.15 ATOM 215 NZ LYS A 57 -30.806 48.997 -3.926 1.00 54.61 ATOM 216 N CYS A 58 -28.356 42.154 -0.975 1.00 47.16 ATOM 217 CA CYS A 58 -27.884 41.067 -0.102 1.00 46.14 ATOM 218 C CYS A 58 -26.440 40.610 -0.276 1.00 44.99 ATOM 219 O CYS A 58 -25.900 39.921 0.608 1.00 43.55 ATOM 220 CB CYS A 58 -28.769 39.847 -0.284 1.00 45.37 ATOM 221 SG CYS A 58 -30.411 40.181 0.252 1.00 49.47 ATOM 222 N LEU A 59 -25.841 40.929 -1.430 1.00 44.59 ATOM 223 CA LEU A 59 -24.429 40.691 -1.622 1.00 44.20 ATOM 224 C LEU A 59 -23.828 41.999 -1.188 1.00 44.52 ATOM 225 O LEU A 59 -23.606 42.932 -1.987 1.00 44.15 ATOM 226 CB LEU A 59 -24.062 40.317 -3.057 1.00 44.04 ATOM 227 CG LEU A 59 -22.590 39.924 -3.272 1.00 45.16 ATOM 228 CD1 LEU A 59 -22.287 38.537 -2.748 1.00 42.19 ATOM 229 CD2 LEU A 59 -22.219 39.982 -4.747 1.00 45.22 ATOM 230 ZN ZN A 205 -31.468 38.337 -0.716 1.00 60.72 TER