HEADER RNA-BINDING PROTEIN/RNA 04-SEP-03 1UN6 TITLE THE CRYSTAL STRUCTURE OF A ZINC FINGER - RNA COMPLEX REVEALS TWO TITLE 2 MODES OF MOLECULAR RECOGNITION COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTION FACTOR IIIA; COMPND 3 CHAIN: B, C, D; COMPND 4 FRAGMENT: FINGERS 4,5 AND 6, RESIDUES 127 - 212 UNDER SWISSPROT NUMBERING FOR COMPND 5 SOMATIC ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.10 ANGSTORMS DBREF 1UN6 D 104 104 PDB 1UN6 1UN6 104 104 DBREF 1UN6 D 105 190 UNP P03001 TF3A_XENLA 127 212 SEQRES 1 D 28 GLY TYR PRO CYS LYS LYS ASP ASP SER CYS SER PHE VAL SEQRES 2 D 28 GLY LYS THR TRP THR LEU TYR LEU LYS HIS VAL ALA GLU SEQRES 3 D 28 CYS HIS ATOM 1 N GLY D 161 31.931 82.533 28.096 1.00 91.27 ATOM 2 CA GLY D 161 31.608 81.442 27.188 1.00 90.39 ATOM 3 C GLY D 161 30.446 80.479 27.389 1.00 88.83 ATOM 4 O GLY D 161 29.579 80.652 28.243 1.00 87.88 ATOM 5 N TYR D 162 30.462 79.425 26.582 1.00 88.34 ATOM 6 CA TYR D 162 29.400 78.429 26.584 1.00 88.41 ATOM 7 C TYR D 162 29.861 77.090 27.164 1.00 90.19 ATOM 8 O TYR D 162 30.869 76.533 26.741 1.00 88.95 ATOM 9 CB TYR D 162 28.877 78.272 25.135 1.00 84.12 ATOM 10 CG TYR D 162 28.717 79.613 24.417 1.00 78.13 ATOM 11 CD1 TYR D 162 27.627 80.443 24.669 1.00 75.21 ATOM 12 CD2 TYR D 162 29.726 80.103 23.589 1.00 75.71 ATOM 13 CE1 TYR D 162 27.553 81.727 24.124 1.00 72.36 ATOM 14 CE2 TYR D 162 29.661 81.386 23.047 1.00 72.69 ATOM 15 CZ TYR D 162 28.577 82.193 23.320 1.00 71.54 ATOM 16 OH TYR D 162 28.539 83.475 22.812 1.00 67.44 ATOM 17 N PRO D 163 29.117 76.566 28.154 1.00 93.06 ATOM 18 CA PRO D 163 29.389 75.298 28.841 1.00 95.54 ATOM 19 C PRO D 163 28.934 74.066 28.057 1.00 98.59 ATOM 20 O PRO D 163 27.762 73.957 27.676 1.00 99.25 ATOM 21 CB PRO D 163 28.611 75.452 30.134 1.00 94.79 ATOM 22 CG PRO D 163 27.368 76.163 29.651 1.00 94.15 ATOM 23 CD PRO D 163 27.951 77.241 28.759 1.00 93.53 ATOM 24 N CYS D 164 29.856 73.133 27.839 1.00101.08 ATOM 25 CA CYS D 164 29.552 71.912 27.103 1.00103.71 ATOM 26 C CYS D 164 28.449 71.061 27.710 1.00106.66 ATOM 27 O CYS D 164 28.724 70.066 28.381 1.00106.18 ATOM 28 CB CYS D 164 30.796 71.039 26.965 1.00102.75 ATOM 29 SG CYS D 164 30.385 69.331 26.530 1.00101.86 ATOM 30 N LYS D 165 27.199 71.437 27.480 1.00111.14 ATOM 31 CA LYS D 165 26.111 70.634 28.005 1.00116.04 ATOM 32 C LYS D 165 25.960 69.379 27.149 1.00118.85 ATOM 33 O LYS D 165 24.843 68.947 26.852 1.00118.82 ATOM 34 CB LYS D 165 24.796 71.421 28.037 1.00116.46 ATOM 35 CG LYS D 165 24.531 72.102 29.374 1.00117.11 ATOM 36 CD LYS D 165 23.036 72.244 29.649 1.00118.13 ATOM 37 CE LYS D 165 22.372 73.278 28.745 1.00119.25 ATOM 38 NZ LYS D 165 22.803 74.673 29.058 1.00119.41 ATOM 39 N LYS D 166 27.097 68.811 26.744 1.00122.16 ATOM 40 CA LYS D 166 27.109 67.589 25.944 1.00126.16 ATOM 41 C LYS D 166 27.252 66.440 26.933 1.00129.29 ATOM 42 O LYS D 166 26.945 66.610 28.113 1.00130.30 ATOM 43 CB LYS D 166 28.283 67.585 24.959 1.00125.16 ATOM 44 CG LYS D 166 27.904 67.113 23.563 1.00124.58 ATOM 45 CD LYS D 166 26.859 68.050 22.946 1.00124.36 ATOM 46 CE LYS D 166 26.419 67.605 21.555 1.00123.77 ATOM 47 NZ LYS D 166 25.424 68.539 20.947 1.00121.79 ATOM 48 N ASP D 167 27.717 65.280 26.473 1.00132.41 ATOM 49 CA ASP D 167 27.874 64.130 27.366 1.00135.23 ATOM 50 C ASP D 167 28.521 64.561 28.686 1.00136.48 ATOM 51 O ASP D 167 29.723 64.835 28.739 1.00136.52 ATOM 52 CB ASP D 167 28.727 63.048 26.699 1.00136.48 ATOM 53 CG ASP D 167 28.737 61.749 27.485 1.00137.70 ATOM 54 OD1 ASP D 167 27.653 61.144 27.653 1.00138.32 ATOM 55 OD2 ASP D 167 29.828 61.335 27.936 1.00137.99 ATOM 56 N ASP D 168 27.710 64.616 29.744 1.00137.85 ATOM 57 CA ASP D 168 28.168 65.036 31.072 1.00138.73 ATOM 58 C ASP D 168 29.288 64.182 31.670 1.00138.58 ATOM 59 O ASP D 168 29.061 63.087 32.191 1.00138.12 ATOM 60 CB ASP D 168 26.981 65.097 32.045 1.00139.74 ATOM 61 CG ASP D 168 25.912 66.095 31.608 1.00140.32 ATOM 62 OD1 ASP D 168 25.267 65.857 30.563 1.00140.67 ATOM 63 OD2 ASP D 168 25.720 67.116 32.305 1.00140.15 ATOM 64 N SER D 169 30.498 64.723 31.588 1.00138.67 ATOM 65 CA SER D 169 31.716 64.097 32.089 1.00138.58 ATOM 66 C SER D 169 32.856 65.024 31.669 1.00138.20 ATOM 67 O SER D 169 33.991 64.897 32.136 1.00138.13 ATOM 68 CB SER D 169 31.907 62.708 31.473 1.00139.04 ATOM 69 OG SER D 169 31.965 62.776 30.059 1.00140.62 ATOM 70 N CYS D 170 32.523 65.955 30.775 1.00137.38 ATOM 71 CA CYS D 170 33.464 66.947 30.267 1.00136.07 ATOM 72 C CYS D 170 33.389 68.198 31.140 1.00134.77 ATOM 73 O CYS D 170 32.364 68.477 31.769 1.00134.43 ATOM 74 CB CYS D 170 33.127 67.312 28.814 1.00136.38 ATOM 75 SG CYS D 170 34.026 68.761 28.139 1.00137.92 ATOM 76 N SER D 171 34.484 68.946 31.174 1.00133.22 ATOM 77 CA SER D 171 34.554 70.163 31.966 1.00131.19 ATOM 78 C SER D 171 35.003 71.341 31.108 1.00129.79 ATOM 79 O SER D 171 35.603 72.290 31.625 1.00130.16 ATOM 80 CB SER D 171 35.535 69.976 33.130 1.00131.55 ATOM 81 OG SER D 171 36.860 69.757 32.665 1.00130.61 ATOM 82 N PHE D 172 34.725 71.285 29.803 1.00127.06 ATOM 83 CA PHE D 172 35.128 72.374 28.916 1.00123.84 ATOM 84 C PHE D 172 34.038 73.380 28.609 1.00120.62 ATOM 85 O PHE D 172 33.008 73.042 28.023 1.00120.55 ATOM 86 CB PHE D 172 35.692 71.853 27.585 1.00124.70 ATOM 87 CG PHE D 172 35.988 72.955 26.578 1.00125.82 ATOM 88 CD1 PHE D 172 36.469 74.200 26.997 1.00126.40 ATOM 89 CD2 PHE D 172 35.776 72.756 25.219 1.00125.20 ATOM 90 CE1 PHE D 172 36.725 75.220 26.074 1.00126.42 ATOM 91 CE2 PHE D 172 36.029 73.767 24.290 1.00124.91 ATOM 92 CZ PHE D 172 36.502 75.000 24.718 1.00125.84 ATOM 93 N VAL D 173 34.289 74.623 29.012 1.00116.31 ATOM 94 CA VAL D 173 33.375 75.721 28.759 1.00112.23 ATOM 95 C VAL D 173 34.026 76.530 27.647 1.00109.46 ATOM 96 O VAL D 173 35.144 77.027 27.797 1.00109.16 ATOM 97 CB VAL D 173 33.178 76.614 30.004 1.00111.87 ATOM 98 CG1 VAL D 173 32.343 77.832 29.645 1.00112.05 ATOM 99 CG2 VAL D 173 32.475 75.833 31.093 1.00111.38 ATOM 100 N GLY D 174 33.324 76.634 26.524 1.00106.13 ATOM 101 CA GLY D 174 33.839 77.363 25.382 1.00101.23 ATOM 102 C GLY D 174 33.869 78.858 25.589 1.00 97.24 ATOM 103 O GLY D 174 32.858 79.473 25.904 1.00 94.97 ATOM 104 N LYS D 175 35.045 79.438 25.399 1.00 94.67 ATOM 105 CA LYS D 175 35.235 80.865 25.565 1.00 92.14 ATOM 106 C LYS D 175 34.430 81.618 24.503 1.00 90.08 ATOM 107 O LYS D 175 34.006 82.754 24.724 1.00 90.07 ATOM 108 CB LYS D 175 36.733 81.193 25.457 1.00 93.44 ATOM 109 CG LYS D 175 37.646 80.256 26.277 1.00 94.37 ATOM 110 CD LYS D 175 37.284 80.264 27.770 1.00 95.72 ATOM 111 CE LYS D 175 37.923 79.103 28.550 1.00 95.93 ATOM 112 NZ LYS D 175 39.405 79.192 28.720 1.00 95.83 ATOM 113 N THR D 176 34.226 80.974 23.353 1.00 87.57 ATOM 114 CA THR D 176 33.463 81.553 22.244 1.00 83.54 ATOM 115 C THR D 176 32.655 80.502 21.478 1.00 79.84 ATOM 116 O THR D 176 32.972 79.310 21.510 1.00 78.25 ATOM 117 CB THR D 176 34.378 82.278 21.230 1.00 84.83 ATOM 118 OG1 THR D 176 33.612 82.608 20.062 1.00 88.02 ATOM 119 CG2 THR D 176 35.552 81.396 20.819 1.00 84.27 ATOM 120 N TRP D 177 31.617 80.963 20.782 1.00 75.76 ATOM 121 CA TRP D 177 30.739 80.094 19.998 1.00 71.13 ATOM 122 C TRP D 177 31.532 79.304 18.968 1.00 69.11 ATOM 123 O TRP D 177 31.269 78.126 18.745 1.00 67.26 ATOM 124 CB TRP D 177 29.666 80.935 19.297 1.00 70.40 ATOM 125 CG TRP D 177 28.572 80.135 18.644 1.00 68.96 ATOM 126 CD1 TRP D 177 28.164 80.220 17.349 1.00 67.95 ATOM 127 CD2 TRP D 177 27.756 79.127 19.253 1.00 68.50 ATOM 128 NE1 TRP D 177 27.150 79.333 17.109 1.00 66.22 ATOM 129 CE2 TRP D 177 26.877 78.647 18.260 1.00 67.45 ATOM 130 CE3 TRP D 177 27.681 78.581 20.540 1.00 69.37 ATOM 131 CZ2 TRP D 177 25.933 77.642 18.511 1.00 67.76 ATOM 132 CZ3 TRP D 177 26.737 77.576 20.791 1.00 69.48 ATOM 133 CH2 TRP D 177 25.878 77.120 19.778 1.00 68.44 ATOM 134 N THR D 178 32.505 79.956 18.339 1.00 68.06 ATOM 135 CA THR D 178 33.344 79.293 17.342 1.00 67.01 ATOM 136 C THR D 178 34.180 78.217 18.017 1.00 68.60 ATOM 137 O THR D 178 34.254 77.076 17.556 1.00 67.83 ATOM 138 CB THR D 178 34.301 80.275 16.687 1.00 65.07 ATOM 139 OG1 THR D 178 33.591 81.469 16.341 1.00 63.29 ATOM 140 CG2 THR D 178 34.914 79.654 15.448 1.00 62.37 ATOM 141 N LEU D 179 34.810 78.600 19.123 1.00 70.07 ATOM 142 CA LEU D 179 35.639 77.680 19.880 1.00 71.05 ATOM 143 C LEU D 179 34.786 76.585 20.524 1.00 70.16 ATOM 144 O LEU D 179 35.226 75.436 20.656 1.00 69.17 ATOM 145 CB LEU D 179 36.419 78.438 20.957 1.00 72.79 ATOM 146 CG LEU D 179 37.410 77.560 21.722 1.00 74.56 ATOM 147 CD1 LEU D 179 38.524 77.111 20.773 1.00 73.13 ATOM 148 CD2 LEU D 179 37.959 78.326 22.916 1.00 74.50 ATOM 149 N TYR D 180 33.575 76.948 20.936 1.00 69.48 ATOM 150 CA TYR D 180 32.665 75.989 21.547 1.00 69.67 ATOM 151 C TYR D 180 32.091 75.060 20.470 1.00 69.86 ATOM 152 O TYR D 180 31.812 73.888 20.721 1.00 67.76 ATOM 153 CB TYR D 180 31.520 76.705 22.267 1.00 68.85 ATOM 154 CG TYR D 180 30.362 75.778 22.541 1.00 70.28 ATOM 155 CD1 TYR D 180 30.401 74.863 23.589 1.00 70.61 ATOM 156 CD2 TYR D 180 29.267 75.738 21.681 1.00 72.13 ATOM 157 CE1 TYR D 180 29.383 73.929 23.769 1.00 69.61 ATOM 158 CE2 TYR D 180 28.247 74.808 21.852 1.00 71.21 ATOM 159 CZ TYR D 180 28.315 73.911 22.893 1.00 70.08 ATOM 160 OH TYR D 180 27.316 72.987 23.034 1.00 71.91 ATOM 161 N LEU D 181 31.898 75.594 19.272 1.00 70.65 ATOM 162 CA LEU D 181 31.370 74.784 18.192 1.00 72.56 ATOM 163 C LEU D 181 32.401 73.719 17.820 1.00 74.79 ATOM 164 O LEU D 181 32.059 72.539 17.691 1.00 74.51 ATOM 165 CB LEU D 181 31.045 75.657 16.973 1.00 70.91 ATOM 166 CG LEU D 181 29.690 76.362 16.904 1.00 68.18 ATOM 167 CD1 LEU D 181 29.663 77.335 15.729 1.00 64.84 ATOM 168 CD2 LEU D 181 28.598 75.321 16.783 1.00 65.15 ATOM 169 N LYS D 182 33.659 74.139 17.647 1.00 76.02 ATOM 170 CA LYS D 182 34.741 73.216 17.296 1.00 77.71 ATOM 171 C LYS D 182 34.845 72.083 18.315 1.00 80.03 ATOM 172 O LYS D 182 35.133 70.941 17.966 1.00 79.86 ATOM 173 CB LYS D 182 36.071 73.959 17.221 1.00 76.33 ATOM 174 CG LYS D 182 36.298 74.701 15.926 1.00 76.53 ATOM 175 CD LYS D 182 37.552 75.563 15.996 1.00 76.23 ATOM 176 CE LYS D 182 38.212 75.709 14.632 1.00 77.13 ATOM 177 NZ LYS D 182 37.269 76.163 13.570 1.00 77.15 ATOM 178 N HIS D 183 34.615 72.413 19.579 1.00 82.95 ATOM 179 CA HIS D 183 34.653 71.423 20.641 1.00 85.82 ATOM 180 C HIS D 183 33.698 70.305 20.261 1.00 87.55 ATOM 181 O HIS D 183 34.114 69.232 19.837 1.00 87.28 ATOM 182 CB HIS D 183 34.184 72.045 21.953 1.00 86.90 ATOM 183 CG HIS D 183 34.195 71.102 23.116 1.00 87.98 ATOM 184 ND1 HIS D 183 33.477 71.341 24.269 1.00 88.88 ATOM 185 CD2 HIS D 183 34.887 69.958 23.336 1.00 87.91 ATOM 186 CE1 HIS D 183 33.729 70.390 25.150 1.00 88.64 ATOM 187 NE2 HIS D 183 34.582 69.538 24.608 1.00 88.89 ATOM 188 N VAL D 184 32.410 70.591 20.406 1.00 90.06 ATOM 189 CA VAL D 184 31.347 69.647 20.112 1.00 93.00 ATOM 190 C VAL D 184 31.624 68.755 18.914 1.00 96.33 ATOM 191 O VAL D 184 31.074 67.659 18.820 1.00 98.04 ATOM 192 CB VAL D 184 30.023 70.379 19.861 1.00 91.96 ATOM 193 CG1 VAL D 184 28.890 69.384 19.793 1.00 92.18 ATOM 194 CG2 VAL D 184 29.771 71.387 20.960 1.00 93.46 ATOM 195 N ALA D 185 32.477 69.212 18.002 1.00 99.41 ATOM 196 CA ALA D 185 32.793 68.439 16.803 1.00102.37 ATOM 197 C ALA D 185 34.115 67.688 16.884 1.00104.85 ATOM 198 O ALA D 185 34.181 66.499 16.560 1.00104.74 ATOM 199 CB ALA D 185 32.800 69.358 15.589 1.00101.81 ATOM 200 N GLU D 186 35.161 68.393 17.311 1.00107.96 ATOM 201 CA GLU D 186 36.506 67.827 17.422 1.00110.74 ATOM 202 C GLU D 186 36.687 66.817 18.549 1.00111.78 ATOM 203 O GLU D 186 37.721 66.156 18.624 1.00111.80 ATOM 204 CB GLU D 186 37.532 68.953 17.581 1.00111.83 ATOM 205 CG GLU D 186 37.642 69.872 16.369 1.00114.38 ATOM 206 CD GLU D 186 38.523 71.085 16.629 1.00116.18 ATOM 207 OE1 GLU D 186 38.739 71.883 15.690 1.00116.42 ATOM 208 OE2 GLU D 186 38.998 71.246 17.776 1.00117.47 ATOM 209 N CYS D 187 35.686 66.702 19.420 1.00113.54 ATOM 210 CA CYS D 187 35.735 65.762 20.542 1.00114.76 ATOM 211 C CYS D 187 34.649 64.696 20.437 1.00115.86 ATOM 212 O CYS D 187 34.926 63.545 20.104 1.00116.04 ATOM 213 CB CYS D 187 35.575 66.503 21.872 1.00114.07 ATOM 214 SG CYS D 187 36.887 67.677 22.238 1.00114.20 ATOM 215 N HIS D 188 33.412 65.091 20.721 1.00117.08 ATOM 216 CA HIS D 188 32.283 64.173 20.676 1.00118.74 ATOM 217 C HIS D 188 31.664 64.116 19.290 1.00120.06 ATOM 218 O HIS D 188 30.831 64.952 18.949 1.00120.36 ATOM 219 CB HIS D 188 31.217 64.617 21.674 1.00119.58 ATOM 220 CG HIS D 188 31.768 65.016 23.007 1.00119.95 ATOM 221 ND1 HIS D 188 32.499 64.157 23.798 1.00119.75 ATOM 222 CD2 HIS D 188 31.699 66.186 23.684 1.00119.23 ATOM 223 CE1 HIS D 188 32.858 64.780 24.905 1.00119.29 ATOM 224 NE2 HIS D 188 32.385 66.013 24.860 1.00119.24 ATOM 225 ZN ZN D 206 32.630 68.154 25.577 1.00103.07 TER