HEADER SPLICING 27-FEB-15 4YH8 TITLE Structure of yeast U2AF complex COMPND MOL_ID: 1; COMPND 2 MOLECULE: Splicing factor U2AF 23 kDa subunit; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 ANGSTORMS DBREF 4YH8 A 1 216 UNP Q09176 U2AF1_SCHPO 1 216 SEQRES 1 A 27 LYS VAL ASN CYS SER PHE TYR TYR LYS ILE GLY ALA CYS SEQRES 2 A 27 ARG HIS GLY GLU ARG CYS SER ARG LYS HIS VAL LYS PRO SEQRES 3 A 27 ASN ATOM 1 N LYS A 15 79.208 16.080 47.683 1.00 57.57 ATOM 2 CA LYS A 15 78.080 15.195 47.402 1.00 58.08 ATOM 3 C LYS A 15 76.803 15.639 48.121 1.00 51.62 ATOM 4 O LYS A 15 75.709 15.166 47.807 1.00 52.99 ATOM 5 CB LYS A 15 78.426 13.755 47.780 1.00 58.70 ATOM 6 CG LYS A 15 79.477 13.126 46.876 1.00 62.33 ATOM 7 CD LYS A 15 79.826 11.705 47.309 1.00 64.40 ATOM 8 CE LYS A 15 78.629 10.978 47.881 1.00 67.00 ATOM 9 NZ LYS A 15 79.057 9.816 48.706 1.00 67.33 ATOM 10 N VAL A 16 76.945 16.545 49.085 1.00 50.52 ATOM 11 CA VAL A 16 75.787 17.181 49.700 1.00 41.84 ATOM 12 C VAL A 16 75.467 18.427 48.883 1.00 39.67 ATOM 13 O VAL A 16 76.378 19.164 48.528 1.00 40.48 ATOM 14 CB VAL A 16 76.045 17.548 51.183 1.00 41.37 ATOM 15 CG1 VAL A 16 74.935 18.472 51.732 1.00 41.12 ATOM 16 CG2 VAL A 16 76.180 16.287 52.036 1.00 35.62 ATOM 17 N ASN A 17 74.193 18.641 48.552 1.00 39.18 ATOM 18 CA ASN A 17 73.796 19.825 47.786 1.00 41.41 ATOM 19 C ASN A 17 74.178 21.120 48.495 1.00 36.16 ATOM 20 O ASN A 17 73.993 21.239 49.714 1.00 37.10 ATOM 21 CB ASN A 17 72.287 19.827 47.524 1.00 43.18 ATOM 22 CG ASN A 17 71.926 19.294 46.151 1.00 54.26 ATOM 23 OD1 ASN A 17 72.773 19.204 45.259 1.00 58.02 ATOM 24 ND2 ASN A 17 70.654 18.951 45.969 1.00 56.36 ATOM 25 N CYS A 18 74.688 22.098 47.747 1.00 36.09 ATOM 26 CA CYS A 18 74.985 23.393 48.364 1.00 33.20 ATOM 27 C CYS A 18 73.683 24.119 48.607 1.00 29.40 ATOM 28 O CYS A 18 73.047 24.634 47.684 1.00 26.43 ATOM 29 CB CYS A 18 75.911 24.264 47.518 1.00 31.23 ATOM 30 SG CYS A 18 76.274 25.885 48.347 1.00 28.23 ATOM 31 N SER A 19 73.292 24.147 49.870 1.00 28.22 ATOM 32 CA SER A 19 72.032 24.719 50.290 1.00 25.98 ATOM 33 C SER A 19 71.944 26.191 49.887 1.00 23.74 ATOM 34 O SER A 19 70.901 26.659 49.441 1.00 25.88 ATOM 35 CB SER A 19 71.897 24.524 51.814 1.00 29.38 ATOM 36 OG SER A 19 71.026 25.463 52.395 1.00 39.68 ATOM 37 N PHE A 20 73.053 26.904 49.986 1.00 22.96 ATOM 38 CA PHE A 20 73.017 28.330 49.678 1.00 24.17 ATOM 39 C PHE A 20 72.862 28.563 48.171 1.00 22.93 ATOM 40 O PHE A 20 72.091 29.425 47.760 1.00 22.40 ATOM 41 CB PHE A 20 74.263 29.021 50.217 1.00 24.45 ATOM 42 CG PHE A 20 74.296 29.086 51.723 1.00 28.33 ATOM 43 CD1 PHE A 20 73.381 29.862 52.411 1.00 29.91 ATOM 44 CD2 PHE A 20 75.215 28.343 52.447 1.00 33.80 ATOM 45 CE1 PHE A 20 73.393 29.917 53.815 1.00 31.05 ATOM 46 CE2 PHE A 20 75.232 28.403 53.853 1.00 32.11 ATOM 47 CZ PHE A 20 74.323 29.196 54.521 1.00 29.72 ATOM 48 N TYR A 21 73.542 27.769 47.343 1.00 23.34 ATOM 49 CA TYR A 21 73.369 27.968 45.898 1.00 23.61 ATOM 50 C TYR A 21 71.931 27.659 45.507 1.00 22.73 ATOM 51 O TYR A 21 71.312 28.409 44.755 1.00 22.36 ATOM 52 CB TYR A 21 74.332 27.109 45.075 1.00 26.54 ATOM 53 CG TYR A 21 74.078 27.304 43.597 1.00 26.56 ATOM 54 CD1 TYR A 21 74.323 28.527 42.999 1.00 28.98 ATOM 55 CD2 TYR A 21 73.534 26.287 42.827 1.00 32.68 ATOM 56 CE1 TYR A 21 74.069 28.725 41.639 1.00 28.96 ATOM 57 CE2 TYR A 21 73.273 26.475 41.474 1.00 33.01 ATOM 58 CZ TYR A 21 73.543 27.701 40.894 1.00 35.20 ATOM 59 OH TYR A 21 73.284 27.908 39.553 1.00 33.84 ATOM 60 N TYR A 22 71.363 26.571 46.024 1.00 24.71 ATOM 61 CA TYR A 22 70.041 26.177 45.547 1.00 25.13 ATOM 62 C TYR A 22 68.904 27.015 46.142 1.00 23.24 ATOM 63 O TYR A 22 67.872 27.211 45.491 1.00 27.05 ATOM 64 CB TYR A 22 69.808 24.686 45.795 1.00 30.16 ATOM 65 CG TYR A 22 70.561 23.858 44.781 1.00 36.93 ATOM 66 CD1 TYR A 22 70.015 23.597 43.527 1.00 39.16 ATOM 67 CD2 TYR A 22 71.838 23.376 45.055 1.00 39.27 ATOM 68 CE1 TYR A 22 70.705 22.857 42.587 1.00 41.30 ATOM 69 CE2 TYR A 22 72.536 22.630 44.118 1.00 41.26 ATOM 70 CZ TYR A 22 71.964 22.373 42.888 1.00 46.77 ATOM 71 OH TYR A 22 72.656 21.634 41.950 1.00 52.53 ATOM 72 N LYS A 23 69.102 27.546 47.345 1.00 22.13 ATOM 73 CA LYS A 23 68.076 28.332 48.008 1.00 23.42 ATOM 74 C LYS A 23 68.169 29.811 47.619 1.00 21.88 ATOM 75 O LYS A 23 67.145 30.467 47.410 1.00 25.88 ATOM 76 CB LYS A 23 68.201 28.189 49.538 1.00 25.45 ATOM 77 CG LYS A 23 67.184 28.969 50.347 1.00 32.71 ATOM 78 CD LYS A 23 67.683 29.206 51.775 1.00 30.25 ATOM 79 CE LYS A 23 68.036 27.886 52.468 1.00 35.60 ATOM 80 NZ LYS A 23 66.852 26.993 52.553 1.00 41.25 ATOM 81 N ILE A 24 69.394 30.317 47.514 1.00 20.97 ATOM 82 CA ILE A 24 69.637 31.757 47.342 1.00 21.45 ATOM 83 C ILE A 24 70.126 32.077 45.940 1.00 22.91 ATOM 84 O ILE A 24 70.068 33.228 45.494 1.00 24.87 ATOM 85 CB ILE A 24 70.694 32.286 48.338 1.00 23.89 ATOM 86 CG1 ILE A 24 70.424 31.759 49.743 1.00 28.29 ATOM 87 CG2 ILE A 24 70.736 33.820 48.351 1.00 26.26 ATOM 88 CD1 ILE A 24 69.094 32.154 50.263 1.00 27.43 ATOM 89 N GLY A 25 70.623 31.066 45.233 1.00 24.25 ATOM 90 CA GLY A 25 71.074 31.294 43.866 1.00 23.92 ATOM 91 C GLY A 25 72.473 31.862 43.808 1.00 26.37 ATOM 92 O GLY A 25 72.955 32.257 42.753 1.00 26.24 ATOM 93 N ALA A 26 73.139 31.884 44.952 1.00 24.77 ATOM 94 CA ALA A 26 74.462 32.465 45.061 1.00 24.99 ATOM 95 C ALA A 26 75.144 31.869 46.276 1.00 26.30 ATOM 96 O ALA A 26 74.506 31.630 47.300 1.00 26.21 ATOM 97 CB ALA A 26 74.389 33.993 45.169 1.00 29.22 ATOM 98 N CYS A 27 76.435 31.627 46.146 1.00 25.75 ATOM 99 CA CYS A 27 77.214 31.015 47.219 1.00 31.39 ATOM 100 C CYS A 27 78.521 31.766 47.416 1.00 30.14 ATOM 101 O CYS A 27 79.221 32.062 46.451 1.00 32.64 ATOM 102 CB CYS A 27 77.479 29.550 46.905 1.00 34.43 ATOM 103 SG CYS A 27 78.746 28.851 47.964 1.00 33.77 ATOM 104 N ARG A 28 78.841 32.088 48.668 1.00 29.75 ATOM 105 CA ARG A 28 80.010 32.905 48.968 1.00 31.58 ATOM 106 C ARG A 28 81.329 32.275 48.527 1.00 37.45 ATOM 107 O ARG A 28 82.334 32.976 48.403 1.00 40.69 ATOM 108 CB ARG A 28 80.071 33.223 50.461 1.00 34.44 ATOM 109 CG ARG A 28 80.327 32.033 51.380 1.00 35.76 ATOM 110 CD ARG A 28 80.472 32.504 52.839 1.00 38.68 ATOM 111 NE ARG A 28 79.503 33.553 53.128 1.00 45.39 ATOM 112 CZ ARG A 28 79.796 34.845 53.231 1.00 40.69 ATOM 113 NH1 ARG A 28 81.048 35.261 53.092 1.00 49.73 ATOM 114 NH2 ARG A 28 78.832 35.718 53.475 1.00 40.14 ATOM 115 N HIS A 29 81.320 30.971 48.258 1.00 35.26 ATOM 116 CA HIS A 29 82.539 30.267 47.879 1.00 40.20 ATOM 117 C HIS A 29 82.759 30.156 46.377 1.00 44.70 ATOM 118 O HIS A 29 83.847 29.784 45.939 1.00 49.76 ATOM 119 CB HIS A 29 82.534 28.877 48.504 1.00 41.01 ATOM 120 CG HIS A 29 82.522 28.911 49.996 1.00 36.28 ATOM 121 ND1 HIS A 29 81.587 28.238 50.751 1.00 40.97 ATOM 122 CD2 HIS A 29 83.316 29.569 50.874 1.00 35.81 ATOM 123 CE1 HIS A 29 81.808 28.479 52.030 1.00 36.30 ATOM 124 NE2 HIS A 29 82.852 29.282 52.133 1.00 41.59 ATOM 125 N GLY A 30 81.738 30.481 45.589 1.00 44.43 ATOM 126 CA GLY A 30 81.829 30.346 44.143 1.00 47.73 ATOM 127 C GLY A 30 82.133 28.918 43.720 1.00 53.08 ATOM 128 O GLY A 30 81.608 27.964 44.296 1.00 48.94 ATOM 129 N GLU A 31 82.994 28.768 42.716 1.00 55.01 ATOM 130 CA GLU A 31 83.387 27.446 42.237 1.00 58.14 ATOM 131 C GLU A 31 84.318 26.727 43.214 1.00 56.58 ATOM 132 O GLU A 31 84.563 25.526 43.065 1.00 58.74 ATOM 133 CB GLU A 31 84.056 27.549 40.863 1.00 63.20 ATOM 134 CG GLU A 31 83.143 28.034 39.750 1.00 64.22 ATOM 135 CD GLU A 31 82.518 26.889 38.966 1.00 72.15 ATOM 136 OE1 GLU A 31 83.140 25.806 38.896 1.00 74.29 ATOM 137 OE2 GLU A 31 81.405 27.073 38.419 1.00 73.96 ATOM 138 N ARG A 32 84.832 27.455 44.206 1.00 56.45 ATOM 139 CA ARG A 32 85.681 26.854 45.236 1.00 54.52 ATOM 140 C ARG A 32 84.872 26.114 46.294 1.00 53.79 ATOM 141 O ARG A 32 85.437 25.511 47.206 1.00 54.62 ATOM 142 CB ARG A 32 86.551 27.910 45.916 1.00 57.16 ATOM 143 CG ARG A 32 87.707 28.335 45.072 1.00 62.20 ATOM 144 CD ARG A 32 88.191 29.715 45.441 1.00 67.29 ATOM 145 NE ARG A 32 89.192 30.175 44.488 1.00 73.69 ATOM 146 CZ ARG A 32 89.172 31.378 43.933 1.00 72.96 ATOM 147 NH1 ARG A 32 90.113 31.718 43.076 1.00 73.11 ATOM 148 NH2 ARG A 32 88.205 32.235 44.234 1.00 73.21 ATOM 149 N CYS A 33 83.549 26.159 46.176 1.00 52.98 ATOM 150 CA CYS A 33 82.694 25.491 47.148 1.00 49.78 ATOM 151 C CYS A 33 82.938 23.990 47.096 1.00 49.66 ATOM 152 O CYS A 33 83.136 23.422 46.022 1.00 52.86 ATOM 153 CB CYS A 33 81.213 25.801 46.894 1.00 41.82 ATOM 154 SG CYS A 33 80.078 25.136 48.145 1.00 35.24 ATOM 155 N SER A 34 82.933 23.361 48.265 1.00 50.97 ATOM 156 CA SER A 34 83.126 21.922 48.366 1.00 49.90 ATOM 157 C SER A 34 81.856 21.179 47.978 1.00 51.10 ATOM 158 O SER A 34 81.879 19.970 47.745 1.00 50.41 ATOM 159 CB SER A 34 83.547 21.539 49.788 1.00 50.65 ATOM 160 OG SER A 34 82.585 21.971 50.742 1.00 51.79 ATOM 161 N ARG A 35 80.747 21.909 47.911 1.00 46.34 ATOM 162 CA ARG A 35 79.451 21.294 47.658 1.00 41.48 ATOM 163 C ARG A 35 78.927 21.551 46.251 1.00 44.32 ATOM 164 O ARG A 35 79.461 22.381 45.517 1.00 41.21 ATOM 165 CB ARG A 35 78.433 21.784 48.679 1.00 41.45 ATOM 166 CG ARG A 35 78.790 21.423 50.101 1.00 41.17 ATOM 167 CD ARG A 35 77.677 21.828 51.028 1.00 42.82 ATOM 168 NE ARG A 35 77.917 21.360 52.384 1.00 45.63 ATOM 169 CZ ARG A 35 78.668 22.003 53.268 1.00 45.52 ATOM 170 NH1 ARG A 35 79.256 23.149 52.936 1.00 41.43 ATOM 171 NH2 ARG A 35 78.829 21.498 54.483 1.00 42.92 ATOM 172 N LYS A 36 77.855 20.842 45.906 1.00 44.26 ATOM 173 CA LYS A 36 77.329 20.814 44.545 1.00 45.20 ATOM 174 C LYS A 36 76.557 22.074 44.136 1.00 49.05 ATOM 175 O LYS A 36 75.573 22.435 44.787 1.00 44.62 ATOM 176 CB LYS A 36 76.425 19.585 44.377 1.00 48.40 ATOM 177 CG LYS A 36 76.722 18.763 43.131 1.00 58.19 ATOM 178 CD LYS A 36 78.200 18.403 43.058 1.00 58.63 ATOM 179 CE LYS A 36 78.675 18.253 41.621 1.00 62.47 ATOM 180 NZ LYS A 36 80.018 17.610 41.570 1.00 67.65 ATOM 181 N HIS A 37 77.041 22.734 43.076 1.00 43.88 ATOM 182 CA HIS A 37 76.312 23.768 42.321 1.00 44.05 ATOM 183 C HIS A 37 76.030 23.284 40.903 1.00 48.35 ATOM 184 O HIS A 37 76.932 23.290 40.062 1.00 54.28 ATOM 185 CB HIS A 37 77.096 25.080 42.171 1.00 38.26 ATOM 186 CG HIS A 37 77.559 25.697 43.451 1.00 40.08 ATOM 187 ND1 HIS A 37 78.351 26.826 43.478 1.00 35.64 ATOM 188 CD2 HIS A 37 77.358 25.346 44.742 1.00 35.57 ATOM 189 CE1 HIS A 37 78.617 27.145 44.733 1.00 35.52 ATOM 190 NE2 HIS A 37 78.028 26.263 45.517 1.00 33.62 ATOM 191 N VAL A 38 74.802 22.891 40.604 1.00 46.25 ATOM 192 CA VAL A 38 74.481 22.615 39.209 1.00 50.41 ATOM 193 C VAL A 38 73.440 23.613 38.704 1.00 43.74 ATOM 194 O VAL A 38 72.352 23.720 39.275 1.00 40.91 ATOM 195 CB VAL A 38 73.971 21.172 39.010 1.00 50.41 ATOM 196 CG1 VAL A 38 73.604 20.934 37.547 1.00 48.50 ATOM 197 CG2 VAL A 38 75.020 20.166 39.481 1.00 52.38 ATOM 198 N LYS A 39 73.789 24.360 37.654 1.00 44.02 ATOM 199 CA LYS A 39 72.846 25.276 37.023 1.00 39.26 ATOM 200 C LYS A 39 71.732 24.485 36.363 1.00 43.06 ATOM 201 O LYS A 39 71.995 23.475 35.704 1.00 40.50 ATOM 202 CB LYS A 39 73.541 26.167 35.985 1.00 45.54 ATOM 203 CG LYS A 39 73.515 27.651 36.317 1.00 45.47 ATOM 204 CD LYS A 39 74.163 28.504 35.225 1.00 41.71 ATOM 205 CE LYS A 39 75.187 29.464 35.822 1.00 45.72 ATOM 206 NZ LYS A 39 76.048 30.085 34.776 1.00 55.96 ATOM 207 N PRO A 40 70.479 24.929 36.535 1.00 33.48 ATOM 208 CA PRO A 40 69.373 24.240 35.855 1.00 36.27 ATOM 209 C PRO A 40 69.398 24.506 34.349 1.00 37.24 ATOM 210 O PRO A 40 69.902 25.563 33.975 1.00 32.41 ATOM 211 CB PRO A 40 68.124 24.849 36.503 1.00 35.14 ATOM 212 CG PRO A 40 68.585 26.201 37.009 1.00 32.37 ATOM 213 CD PRO A 40 70.021 26.037 37.398 1.00 35.51 ATOM 214 N ASN A 41 68.895 23.596 33.510 1.00 37.22 ATOM 215 CA ASN A 41 68.773 23.948 32.085 1.00 38.64 ATOM 216 C ASN A 41 67.429 24.537 31.807 1.00 30.93 ATOM 217 O ASN A 41 67.172 24.939 30.674 1.00 32.10 ATOM 218 CB ASN A 41 68.891 22.786 31.085 1.00 42.69 ATOM 219 CG ASN A 41 69.648 21.612 31.593 1.00 51.83 ATOM 220 OD1 ASN A 41 70.364 21.677 32.578 1.00 50.84 ATOM 221 ND2 ASN A 41 69.554 20.513 30.844 1.00 53.11 TER