HEADER TRANSCRIPTION 23-DEC-15 3JCM TITLE Cryo-EM structure of the spliceosomal U4/U6.U5 tri-snRNP COMPND MOL_ID: 9; COMPND 2 MOLECULE: Pre-mRNA-splicing helicase BRR2; COMPND 3 CHAIN: N; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 3JCM N 1 2163 UNP P32639 BRR2_YEAST 1 2163 SEQRES 1 N 56 ASN CYS PRO LEU ARG GLN PHE LYS THR CYS PRO VAL GLU SEQRES 2 N 56 VAL ILE LYS ARG LEU GLU ALA SER THR VAL PRO TRP GLY SEQRES 3 N 56 ASP TYR LEU GLN LEU GLU THR PRO ALA GLU VAL GLY ARG SEQRES 4 N 56 ALA ILE ARG SER GLU LYS TYR GLY LYS GLN VAL TYR ASP SEQRES 5 N 56 LEU LEU LYS ARG ATOM 1 N ASN N1143 226.081 167.347 153.107 1.00148.11 ATOM 2 CA ASN N1143 225.876 168.446 152.159 1.00147.91 ATOM 3 C ASN N1143 226.199 167.928 150.797 1.00149.24 ATOM 4 O ASN N1143 227.264 167.324 150.608 1.00144.06 ATOM 5 N CYS N1144 225.322 168.181 149.834 1.00165.94 ATOM 6 CA CYS N1144 225.616 167.775 148.466 1.00173.96 ATOM 7 C CYS N1144 226.807 168.621 148.002 1.00159.39 ATOM 8 O CYS N1144 226.891 169.808 148.338 1.00149.10 ATOM 9 N PRO N1145 227.740 167.997 147.254 1.00147.34 ATOM 10 CA PRO N1145 229.033 168.561 146.868 1.00154.13 ATOM 11 C PRO N1145 228.986 169.486 145.650 1.00157.53 ATOM 12 O PRO N1145 230.027 169.854 145.116 1.00153.78 ATOM 13 N LEU N1146 227.793 169.845 145.197 1.00159.62 ATOM 14 CA LEU N1146 227.666 170.951 144.274 1.00159.26 ATOM 15 C LEU N1146 228.219 172.187 144.959 1.00160.20 ATOM 16 O LEU N1146 228.792 173.066 144.324 1.00183.82 ATOM 17 N ARG N1147 228.063 172.229 146.274 1.00155.32 ATOM 18 CA ARG N1147 228.702 173.235 147.110 1.00160.48 ATOM 19 C ARG N1147 230.241 173.139 147.109 1.00143.67 ATOM 20 O ARG N1147 230.940 174.064 147.540 1.00127.28 ATOM 21 N GLN N1148 230.765 172.016 146.637 1.00139.02 ATOM 22 CA GLN N1148 232.201 171.762 146.673 1.00155.50 ATOM 23 C GLN N1148 232.859 172.302 145.418 1.00146.20 ATOM 24 O GLN N1148 234.034 172.655 145.424 1.00149.27 ATOM 25 N PHE N1149 232.103 172.346 144.329 1.00153.71 ATOM 26 CA PHE N1149 232.534 173.093 143.162 1.00163.79 ATOM 27 C PHE N1149 232.435 174.574 143.525 1.00169.79 ATOM 28 O PHE N1149 231.343 175.085 143.799 1.00163.83 ATOM 29 N LYS N1150 233.579 175.254 143.557 1.00168.22 ATOM 30 CA LYS N1150 233.616 176.708 143.712 1.00176.85 ATOM 31 C LYS N1150 232.740 177.395 142.660 1.00185.84 ATOM 32 O LYS N1150 232.193 178.473 142.902 1.00195.66 ATOM 33 N THR N1151 232.610 176.750 141.501 1.00180.96 ATOM 34 CA THR N1151 232.004 177.349 140.315 1.00170.14 ATOM 35 C THR N1151 230.485 177.099 140.156 1.00167.41 ATOM 36 O THR N1151 229.967 177.112 139.038 1.00148.07 ATOM 37 N CYS N1152 229.776 176.899 141.270 1.00180.71 ATOM 38 CA CYS N1152 228.318 176.716 141.251 1.00193.94 ATOM 39 C CYS N1152 227.640 177.936 141.886 1.00199.65 ATOM 40 O CYS N1152 228.198 178.535 142.805 1.00183.21 ATOM 41 N PRO N1153 226.439 178.317 141.396 1.00210.86 ATOM 42 CA PRO N1153 225.671 179.403 142.033 1.00208.41 ATOM 43 C PRO N1153 225.108 179.006 143.401 1.00199.35 ATOM 44 O PRO N1153 224.942 177.816 143.673 1.00207.98 ATOM 45 N VAL N1154 224.790 180.002 144.230 1.00181.14 ATOM 46 CA VAL N1154 224.413 179.771 145.642 1.00188.51 ATOM 47 C VAL N1154 222.978 179.240 145.848 1.00199.39 ATOM 48 O VAL N1154 222.695 178.538 146.829 1.00192.00 ATOM 49 N GLU N1155 222.072 179.602 144.944 1.00208.12 ATOM 50 CA GLU N1155 220.673 179.186 145.053 1.00203.81 ATOM 51 C GLU N1155 220.460 177.713 144.666 1.00192.00 ATOM 52 O GLU N1155 219.714 176.998 145.333 1.00171.71 ATOM 53 N VAL N1156 221.140 177.265 143.610 1.00192.82 ATOM 54 CA VAL N1156 220.857 175.963 142.988 1.00202.82 ATOM 55 C VAL N1156 221.031 174.789 143.964 1.00212.13 ATOM 56 O VAL N1156 220.219 173.858 143.977 1.00194.05 ATOM 57 N ILE N1157 222.087 174.839 144.777 1.00227.28 ATOM 58 CA ILE N1157 222.357 173.785 145.764 1.00220.05 ATOM 59 C ILE N1157 221.287 173.735 146.850 1.00214.55 ATOM 60 O ILE N1157 220.879 172.652 147.267 1.00219.29 ATOM 61 N LYS N1158 220.819 174.904 147.285 1.00217.99 ATOM 62 CA LYS N1158 219.858 174.985 148.390 1.00220.38 ATOM 63 C LYS N1158 218.557 174.227 148.080 1.00219.84 ATOM 64 O LYS N1158 218.002 173.550 148.952 1.00204.65 ATOM 65 N ARG N1159 218.088 174.329 146.838 1.00219.14 ATOM 66 CA ARG N1159 216.876 173.627 146.398 1.00220.11 ATOM 67 C ARG N1159 217.078 172.103 146.385 1.00226.10 ATOM 68 O ARG N1159 216.159 171.354 146.734 1.00213.60 ATOM 69 N LEU N1160 218.274 171.662 145.985 1.00228.67 ATOM 70 CA LEU N1160 218.611 170.229 145.929 1.00213.89 ATOM 71 C LEU N1160 218.873 169.610 147.306 1.00214.25 ATOM 72 O LEU N1160 218.658 168.406 147.489 1.00200.50 ATOM 73 N GLU N1161 219.367 170.421 148.249 1.00212.32 ATOM 74 CA GLU N1161 219.630 169.955 149.618 1.00209.65 ATOM 75 C GLU N1161 218.327 169.698 150.372 1.00221.58 ATOM 76 O GLU N1161 218.200 168.678 151.050 1.00248.57 ATOM 77 N ALA N1162 217.363 170.612 150.248 1.00218.43 ATOM 78 CA ALA N1162 216.041 170.437 150.869 1.00209.73 ATOM 79 C ALA N1162 215.223 169.314 150.215 1.00210.25 ATOM 80 O ALA N1162 214.489 168.603 150.902 1.00196.38 ATOM 81 N SER N1163 215.371 169.145 148.895 1.00206.74 ATOM 82 CA SER N1163 214.568 168.184 148.127 1.00191.68 ATOM 83 C SER N1163 214.835 166.699 148.452 1.00195.68 ATOM 84 O SER N1163 214.173 165.821 147.894 1.00203.17 ATOM 85 N THR N1164 215.812 166.412 149.314 1.00188.02 ATOM 86 CA THR N1164 215.981 165.068 149.899 1.00196.49 ATOM 87 C THR N1164 216.280 163.941 148.887 1.00206.51 ATOM 88 O THR N1164 216.519 162.802 149.291 1.00212.46 ATOM 89 N VAL N1165 216.287 164.249 147.592 1.00209.56 ATOM 90 CA VAL N1165 216.612 163.256 146.567 1.00208.50 ATOM 91 C VAL N1165 218.055 162.816 146.848 1.00212.31 ATOM 92 O VAL N1165 218.900 163.671 147.122 1.00198.79 ATOM 93 N PRO N1166 218.347 161.493 146.803 1.00227.13 ATOM 94 CA PRO N1166 219.716 161.079 147.157 1.00228.55 ATOM 95 C PRO N1166 220.766 161.791 146.298 1.00236.80 ATOM 96 O PRO N1166 220.504 162.093 145.127 1.00235.06 ATOM 97 N TRP N1167 221.932 162.081 146.880 1.00234.25 ATOM 98 CA TRP N1167 222.991 162.769 146.140 1.00227.00 ATOM 99 C TRP N1167 223.289 161.987 144.857 1.00222.35 ATOM 100 O TRP N1167 223.054 162.485 143.754 1.00208.58 ATOM 101 N GLY N1168 223.753 160.749 145.016 1.00222.79 ATOM 102 CA GLY N1168 224.045 159.871 143.879 1.00228.47 ATOM 103 C GLY N1168 222.951 159.815 142.824 1.00227.08 ATOM 104 O GLY N1168 223.228 159.591 141.644 1.00226.70 ATOM 105 N ASP N1169 221.707 160.018 143.248 1.00217.31 ATOM 106 CA ASP N1169 220.556 159.979 142.354 1.00208.28 ATOM 107 C ASP N1169 220.709 160.984 141.212 1.00204.27 ATOM 108 O ASP N1169 220.498 160.641 140.047 1.00191.92 ATOM 109 N TYR N1170 221.100 162.212 141.547 1.00202.99 ATOM 110 CA TYR N1170 221.317 163.254 140.537 1.00208.51 ATOM 111 C TYR N1170 222.411 162.855 139.526 1.00206.27 ATOM 112 O TYR N1170 222.325 163.218 138.344 1.00196.48 ATOM 113 N LEU N1171 223.410 162.097 140.001 1.00200.09 ATOM 114 CA LEU N1171 224.581 161.689 139.194 1.00197.42 ATOM 115 C LEU N1171 224.270 160.679 138.090 1.00197.36 ATOM 116 O LEU N1171 224.964 160.653 137.074 1.00184.95 ATOM 117 N GLN N1172 223.251 159.845 138.295 1.00208.25 ATOM 118 CA GLN N1172 222.935 158.741 137.373 1.00198.85 ATOM 119 C GLN N1172 222.536 159.205 135.972 1.00193.13 ATOM 120 O GLN N1172 222.881 158.554 134.985 1.00177.49 ATOM 121 N LEU N1173 221.808 160.319 135.895 1.00198.86 ATOM 122 CA LEU N1173 221.270 160.817 134.626 1.00211.25 ATOM 123 C LEU N1173 222.361 161.182 133.634 1.00201.60 ATOM 124 O LEU N1173 223.221 162.012 133.931 1.00209.84 ATOM 125 N GLU N1174 222.304 160.576 132.450 1.00185.48 ATOM 126 CA GLU N1174 223.321 160.789 131.420 1.00186.61 ATOM 127 C GLU N1174 222.876 161.785 130.337 1.00194.51 ATOM 128 O GLU N1174 223.576 161.974 129.342 1.00195.92 ATOM 129 N THR N1175 221.728 162.434 130.542 1.00205.00 ATOM 130 CA THR N1175 221.171 163.372 129.561 1.00203.98 ATOM 131 C THR N1175 221.170 164.798 130.117 1.00201.86 ATOM 132 O THR N1175 220.696 165.003 131.232 1.00202.32 ATOM 133 N PRO N1176 221.678 165.790 129.338 1.00199.13 ATOM 134 CA PRO N1176 221.772 167.196 129.813 1.00200.89 ATOM 135 C PRO N1176 220.451 167.920 130.068 1.00199.72 ATOM 136 O PRO N1176 220.398 168.850 130.880 1.00190.86 ATOM 137 N ALA N1177 219.409 167.522 129.350 1.00207.67 ATOM 138 CA ALA N1177 218.074 168.047 129.589 1.00214.79 ATOM 139 C ALA N1177 217.511 167.499 130.903 1.00218.38 ATOM 140 O ALA N1177 216.952 168.253 131.704 1.00213.89 ATOM 141 N GLU N1178 217.676 166.193 131.115 1.00217.30 ATOM 142 CA GLU N1178 217.129 165.513 132.293 1.00218.33 ATOM 143 C GLU N1178 217.613 166.098 133.618 1.00229.43 ATOM 144 O GLU N1178 216.822 166.301 134.553 1.00191.84 ATOM 145 N VAL N1179 218.914 166.372 133.691 1.00254.90 ATOM 146 CA VAL N1179 219.527 166.944 134.892 1.00259.61 ATOM 147 C VAL N1179 218.874 168.296 135.189 1.00250.67 ATOM 148 O VAL N1179 218.627 168.630 136.348 1.00245.22 ATOM 149 N GLY N1180 218.584 169.053 134.130 1.00240.67 ATOM 150 CA GLY N1180 217.937 170.354 134.256 1.00235.29 ATOM 151 C GLY N1180 216.496 170.319 134.732 1.00235.25 ATOM 152 O GLY N1180 216.023 171.278 135.342 1.00228.98 ATOM 153 N ARG N1181 215.793 169.223 134.447 1.00236.51 ATOM 154 CA ARG N1181 214.411 169.050 134.902 1.00230.36 ATOM 155 C ARG N1181 214.330 168.815 136.416 1.00231.38 ATOM 156 O ARG N1181 213.403 169.305 137.074 1.00212.80 ATOM 157 N ALA N1182 215.288 168.055 136.950 1.00235.94 ATOM 158 CA ALA N1182 215.384 167.791 138.393 1.00233.65 ATOM 159 C ALA N1182 215.690 169.059 139.196 1.00237.61 ATOM 160 O ALA N1182 215.140 169.263 140.279 1.00225.92 ATOM 161 N ILE N1183 216.577 169.898 138.658 1.00247.76 ATOM 162 CA ILE N1183 216.890 171.205 139.251 1.00244.84 ATOM 163 C ILE N1183 215.650 172.101 139.245 1.00243.73 ATOM 164 O ILE N1183 215.405 172.834 140.208 1.00221.99 ATOM 165 N ARG N1184 214.876 172.005 138.159 1.00244.81 ATOM 166 CA ARG N1184 213.711 172.858 137.875 1.00238.71 ATOM 167 C ARG N1184 214.129 174.200 137.264 1.00233.64 ATOM 168 O ARG N1184 213.322 175.127 137.162 1.00238.05 ATOM 169 N SER N1185 215.393 174.290 136.858 1.00222.07 ATOM 170 CA SER N1185 215.898 175.426 136.105 1.00210.21 ATOM 171 C SER N1185 216.536 174.949 134.806 1.00205.31 ATOM 172 O SER N1185 217.228 173.927 134.787 1.00201.65 ATOM 173 N GLU N1186 216.317 175.704 133.733 1.00200.14 ATOM 174 CA GLU N1186 216.777 175.311 132.400 1.00207.00 ATOM 175 C GLU N1186 218.271 175.553 132.194 1.00217.52 ATOM 176 O GLU N1186 219.004 174.637 131.816 1.00240.10 ATOM 177 N LYS N1187 218.708 176.782 132.464 1.00215.66 ATOM 178 CA LYS N1187 220.061 177.254 132.116 1.00219.95 ATOM 179 C LYS N1187 221.108 176.810 133.134 1.00229.20 ATOM 180 O LYS N1187 222.299 176.672 132.811 1.00208.85 ATOM 181 N TYR N1188 220.649 176.639 134.371 1.00238.19 ATOM 182 CA TYR N1188 221.459 176.080 135.438 1.00234.87 ATOM 183 C TYR N1188 221.543 174.569 135.215 1.00244.63 ATOM 184 O TYR N1188 222.537 173.943 135.570 1.00278.42 ATOM 185 N GLY N1189 220.500 174.000 134.602 1.00241.46 ATOM 186 CA GLY N1189 220.438 172.574 134.255 1.00238.73 ATOM 187 C GLY N1189 221.429 172.047 133.222 1.00231.85 ATOM 188 O GLY N1189 221.725 170.842 133.193 1.00231.51 ATOM 189 N LYS N1190 221.919 172.936 132.355 1.00225.08 ATOM 190 CA LYS N1190 222.925 172.582 131.344 1.00214.38 ATOM 191 C LYS N1190 224.353 172.732 131.880 1.00201.93 ATOM 192 O LYS N1190 225.235 171.954 131.516 1.00179.58 ATOM 193 N GLN N1191 224.569 173.757 132.716 1.00203.66 ATOM 194 CA GLN N1191 225.862 174.010 133.387 1.00193.13 ATOM 195 C GLN N1191 226.176 173.027 134.520 1.00192.27 ATOM 196 O GLN N1191 227.340 172.706 134.754 1.00189.72 ATOM 197 N VAL N1192 225.137 172.643 135.255 1.00193.01 ATOM 198 CA VAL N1192 225.239 171.678 136.344 1.00186.85 ATOM 199 C VAL N1192 225.635 170.286 135.869 1.00201.31 ATOM 200 O VAL N1192 226.407 169.586 136.526 1.00215.83 ATOM 201 N TYR N1193 225.086 169.885 134.727 1.00199.36 ATOM 202 CA TYR N1193 225.234 168.523 134.237 1.00189.33 ATOM 203 C TYR N1193 226.682 168.142 133.960 1.00178.43 ATOM 204 O TYR N1193 227.100 167.024 134.260 1.00179.18 ATOM 205 N ASP N1194 227.449 169.062 133.385 1.00169.80 ATOM 206 CA ASP N1194 228.843 168.768 133.083 1.00168.69 ATOM 207 C ASP N1194 229.607 168.488 134.373 1.00162.83 ATOM 208 O ASP N1194 230.398 167.547 134.444 1.00158.23 ATOM 209 N LEU N1195 229.359 169.301 135.396 1.00154.77 ATOM 210 CA LEU N1195 229.937 169.069 136.714 1.00157.58 ATOM 211 C LEU N1195 229.410 167.769 137.313 1.00154.97 ATOM 212 O LEU N1195 230.161 166.990 137.899 1.00140.37 ATOM 213 N LEU N1196 228.110 167.544 137.151 1.00152.36 ATOM 214 CA LEU N1196 227.455 166.354 137.680 1.00145.48 ATOM 215 C LEU N1196 227.994 165.085 137.035 1.00137.16 ATOM 216 O LEU N1196 228.188 164.069 137.701 1.00131.99 ATOM 217 N LYS N1197 228.229 165.154 135.729 1.00146.02 ATOM 218 CA LYS N1197 228.698 164.007 134.964 1.00144.64 ATOM 219 C LYS N1197 230.067 163.529 135.430 1.00132.70 ATOM 220 O LYS N1197 230.325 162.328 135.492 1.00115.30 ATOM 221 N ARG N1198 230.940 164.476 135.754 1.00123.69 ATOM 222 CA ARG N1198 232.315 164.161 136.119 1.00131.02 ATOM 223 C ARG N1198 232.393 163.291 137.368 1.00125.62 ATOM 224 O ARG N1198 233.207 162.369 137.437 1.00108.29 TER