HEADER SPLICING 31-DEC-69 7ABG TITLE Human pre-Bact-1 spliceosome COMPND MOL_ID: 8; COMPND 2 MOLECULE: U5 small nuclear ribonucleoprotein 200 kDa helicase; COMPND 3 CHAIN: s; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 7ABG s 1 2136 UNP O75643 U520_HUMAN 1 2136 SEQRES 1 s 55 MET CYS PRO LEU ARG GLN PHE ARG LYS LEU PRO GLU GLU SEQRES 2 s 55 VAL VAL LYS LYS ILE GLU LYS LYS ASN PHE PRO PHE GLU SEQRES 3 s 55 ARG LEU TYR ASP LEU ASN HIS ASN GLU ILE GLY GLU LEU SEQRES 4 s 55 ILE ARG MET PRO LYS MET GLY LYS THR ILE HIS LYS TYR SEQRES 5 s 55 VAL HIS LEU ATOM 1 N MET s1126 230.482 142.106 208.056 1.00146.09 ATOM 2 CA MET s1126 230.122 142.119 206.647 1.00145.54 ATOM 3 C MET s1126 228.616 141.965 206.473 1.00141.71 ATOM 4 O MET s1126 227.881 141.713 207.432 1.00138.71 ATOM 5 CB MET s1126 230.861 141.010 205.895 1.00 99.99 ATOM 6 N CYS s1127 228.166 142.121 205.233 1.00150.63 ATOM 7 CA CYS s1127 226.750 142.054 204.909 1.00147.74 ATOM 8 C CYS s1127 226.248 140.614 205.000 1.00143.75 ATOM 9 O CYS s1127 226.975 139.686 204.612 1.00143.68 ATOM 10 CB CYS s1127 226.492 142.624 203.513 1.00 99.99 ATOM 11 N PRO s1128 225.035 140.386 205.511 1.00145.01 ATOM 12 CA PRO s1128 224.501 139.013 205.561 1.00141.75 ATOM 13 C PRO s1128 224.149 138.440 204.198 1.00140.90 ATOM 14 O PRO s1128 224.010 137.216 204.069 1.00139.47 ATOM 15 CB PRO s1128 223.252 139.159 206.442 1.00144.35 ATOM 16 CG PRO s1128 223.472 140.414 207.221 1.00146.82 ATOM 17 CD PRO s1128 224.212 141.324 206.291 1.00149.78 ATOM 18 N LEU s1129 224.005 139.284 203.174 1.00127.91 ATOM 19 CA LEU s1129 223.661 138.794 201.843 1.00128.59 ATOM 20 C LEU s1129 224.871 138.264 201.083 1.00130.36 ATOM 21 O LEU s1129 224.721 137.818 199.941 1.00131.29 ATOM 22 CB LEU s1129 222.991 139.897 201.022 1.00 99.99 ATOM 23 N ARG s1130 226.063 138.297 201.686 1.00149.00 ATOM 24 CA ARG s1130 227.255 137.802 201.006 1.00150.34 ATOM 25 C ARG s1130 227.314 136.277 200.988 1.00148.10 ATOM 26 O ARG s1130 228.154 135.704 200.285 1.00149.12 ATOM 27 CB ARG s1130 228.518 138.357 201.666 1.00 99.99 ATOM 28 N GLN s1131 226.448 135.609 201.756 1.00131.97 ATOM 29 CA GLN s1131 226.392 134.152 201.764 1.00132.53 ATOM 30 C GLN s1131 225.893 133.572 200.446 1.00133.04 ATOM 31 O GLN s1131 226.278 132.450 200.100 1.00134.28 ATOM 32 CB GLN s1131 225.499 133.656 202.903 1.00 99.99 ATOM 33 N PHE s1132 225.053 134.298 199.714 1.00144.48 ATOM 34 CA PHE s1132 224.598 133.877 198.394 1.00145.06 ATOM 35 C PHE s1132 225.530 134.488 197.353 1.00147.54 ATOM 36 O PHE s1132 225.485 135.696 197.102 1.00149.20 ATOM 37 CB PHE s1132 223.144 134.297 198.169 1.00 99.99 ATOM 38 N ARG s1133 226.376 133.653 196.751 1.00166.94 ATOM 39 CA ARG s1133 227.370 134.129 195.796 1.00169.69 ATOM 40 C ARG s1133 226.787 134.449 194.426 1.00171.21 ATOM 41 O ARG s1133 227.498 135.017 193.590 1.00173.96 ATOM 42 CB ARG s1133 228.490 133.100 195.630 1.00 99.99 ATOM 43 N LYS s1134 225.521 134.107 194.173 1.00169.70 ATOM 44 CA LYS s1134 224.918 134.403 192.879 1.00171.21 ATOM 45 C LYS s1134 224.499 135.861 192.752 1.00173.34 ATOM 46 O LYS s1134 224.249 136.325 191.634 1.00175.58 ATOM 47 CB LYS s1134 223.706 133.502 192.634 1.00 99.99 ATOM 48 N LEU s1135 224.416 136.590 193.862 1.00160.34 ATOM 49 CA LEU s1135 224.044 138.000 193.846 1.00162.79 ATOM 50 C LEU s1135 225.219 138.856 193.375 1.00166.50 ATOM 51 O LEU s1135 226.377 138.513 193.632 1.00166.75 ATOM 52 CB LEU s1135 223.576 138.447 195.232 1.00 99.99 ATOM 53 N PRO s1136 224.946 139.959 192.676 1.00160.13 ATOM 54 CA PRO s1136 226.036 140.843 192.242 1.00164.76 ATOM 55 C PRO s1136 226.644 141.602 193.412 1.00165.99 ATOM 56 O PRO s1136 226.046 141.719 194.484 1.00164.50 ATOM 57 CB PRO s1136 225.348 141.795 191.257 1.00166.57 ATOM 58 CG PRO s1136 224.111 141.075 190.827 1.00163.80 ATOM 59 CD PRO s1136 223.669 140.310 192.032 1.00159.14 ATOM 60 N GLU s1137 227.854 142.125 193.193 1.00207.54 ATOM 61 CA GLU s1137 228.532 142.891 194.234 1.00209.23 ATOM 62 C GLU s1137 227.906 144.271 194.404 1.00213.36 ATOM 63 O GLU s1137 227.965 144.855 195.493 1.00213.06 ATOM 64 CB GLU s1137 230.022 143.027 193.915 1.00 99.99 ATOM 65 N GLU s1138 227.308 144.808 193.337 1.00203.52 ATOM 66 CA GLU s1138 226.640 146.102 193.432 1.00208.61 ATOM 67 C GLU s1138 225.375 146.020 194.277 1.00206.40 ATOM 68 O GLU s1138 225.055 146.968 195.002 1.00208.53 ATOM 69 CB GLU s1138 226.301 146.634 192.038 1.00 99.99 ATOM 70 N VAL s1139 224.666 144.891 194.219 1.00175.88 ATOM 71 CA VAL s1139 223.502 144.694 195.076 1.00173.68 ATOM 72 C VAL s1139 223.933 144.543 196.530 1.00169.84 ATOM 73 O VAL s1139 223.233 144.980 197.451 1.00170.09 ATOM 74 CB VAL s1139 222.690 143.458 194.649 1.00 99.99 ATOM 75 N VAL s1140 225.109 143.950 196.753 1.00157.94 ATOM 76 CA VAL s1140 225.645 143.824 198.107 1.00154.96 ATOM 77 C VAL s1140 226.049 145.191 198.646 1.00158.77 ATOM 78 O VAL s1140 225.842 145.499 199.826 1.00158.25 ATOM 79 CB VAL s1140 226.857 142.875 198.148 1.00 99.99 ATOM 80 N LYS s1141 226.612 146.040 197.781 1.00189.24 ATOM 81 CA LYS s1141 226.955 147.399 198.192 1.00193.74 ATOM 82 C LYS s1141 225.710 148.240 198.448 1.00196.53 ATOM 83 O LYS s1141 225.706 149.086 199.350 1.00198.61 ATOM 84 CB LYS s1141 227.830 148.074 197.134 1.00 99.99 ATOM 85 N LYS s1142 224.644 148.017 197.672 1.00195.98 ATOM 86 CA LYS s1142 223.389 148.725 197.906 1.00198.69 ATOM 87 C LYS s1142 222.721 148.261 199.195 1.00195.32 ATOM 88 O LYS s1142 222.105 149.064 199.906 1.00198.39 ATOM 89 CB LYS s1142 222.437 148.533 196.724 1.00 99.99 ATOM 90 N ILE s1143 222.830 146.967 199.513 1.00169.99 ATOM 91 CA ILE s1143 222.289 146.461 200.768 1.00167.32 ATOM 92 C ILE s1143 223.133 146.897 201.957 1.00167.84 ATOM 93 O ILE s1143 222.612 147.020 203.072 1.00168.12 ATOM 94 CB ILE s1143 222.192 144.924 200.762 1.00 99.99 ATOM 95 N GLU s1144 224.431 147.126 201.754 1.00169.21 ATOM 96 CA GLU s1144 225.270 147.650 202.824 1.00170.43 ATOM 97 C GLU s1144 225.051 149.141 203.038 1.00176.75 ATOM 98 O GLU s1144 225.173 149.625 204.169 1.00178.62 ATOM 99 CB GLU s1144 226.747 147.382 202.527 1.00 99.99 ATOM 100 N LYS s1145 224.733 149.880 201.974 1.00209.50 ATOM 101 CA LYS s1145 224.481 151.311 202.108 1.00216.30 ATOM 102 C LYS s1145 223.131 151.569 202.767 1.00217.93 ATOM 103 O LYS s1145 223.031 152.329 203.738 1.00221.54 ATOM 104 CB LYS s1145 224.542 151.996 200.742 1.00 99.99 ATOM 105 N LYS s1146 222.078 150.939 202.253 1.00203.52 ATOM 106 CA LYS s1146 220.742 151.128 202.798 1.00204.83 ATOM 107 C LYS s1146 220.548 150.278 204.047 1.00200.10 ATOM 108 O LYS s1146 220.786 149.068 204.037 1.00194.56 ATOM 109 CB LYS s1146 219.682 150.786 201.749 1.00 99.99 ATOM 110 N ASN s1147 220.106 150.920 205.125 1.00207.90 ATOM 111 CA ASN s1147 219.867 150.244 206.394 1.00204.06 ATOM 112 C ASN s1147 218.561 149.463 206.292 1.00202.81 ATOM 113 O ASN s1147 217.477 150.022 206.487 1.00207.34 ATOM 114 CB ASN s1147 219.827 151.256 207.541 1.00 99.99 ATOM 115 N PHE s1148 218.665 148.171 205.985 1.00207.52 ATOM 116 CA PHE s1148 217.498 147.304 205.842 1.00205.57 ATOM 117 C PHE s1148 217.723 146.044 206.664 1.00199.80 ATOM 118 O PHE s1148 218.729 145.343 206.493 1.00195.40 ATOM 119 CB PHE s1148 217.253 146.974 204.369 1.00 99.99 ATOM 120 N PRO s1149 216.806 145.726 207.576 1.00165.12 ATOM 121 CA PRO s1149 216.967 144.516 208.391 1.00159.88 ATOM 122 C PRO s1149 216.661 143.258 207.590 1.00154.31 ATOM 123 O PRO s1149 215.776 143.244 206.732 1.00154.11 ATOM 124 CB PRO s1149 215.963 144.724 209.527 1.00157.72 ATOM 125 CG PRO s1149 214.910 145.593 208.933 1.00162.78 ATOM 126 CD PRO s1149 215.617 146.504 207.968 1.00166.75 ATOM 127 N PHE s1150 217.410 142.192 207.878 1.00178.90 ATOM 128 CA PHE s1150 217.180 140.923 207.197 1.00174.67 ATOM 129 C PHE s1150 215.928 140.234 207.724 1.00172.29 ATOM 130 O PHE s1150 215.322 139.412 207.026 1.00171.28 ATOM 131 CB PHE s1150 218.392 140.003 207.354 1.00 99.99 ATOM 132 N GLU s1151 215.527 140.554 208.957 1.00179.93 ATOM 133 CA GLU s1151 214.320 139.984 209.543 1.00178.21 ATOM 134 C GLU s1151 213.046 140.506 208.896 1.00180.76 ATOM 135 O GLU s1151 212.019 139.822 208.953 1.00180.00 ATOM 136 CB GLU s1151 214.271 140.262 211.047 1.00 99.99 ATOM 137 N ARG s1152 213.084 141.688 208.286 1.00173.28 ATOM 138 CA ARG s1152 211.932 142.236 207.584 1.00176.40 ATOM 139 C ARG s1152 211.975 141.961 206.087 1.00175.84 ATOM 140 O ARG s1152 211.060 142.375 205.368 1.00178.66 ATOM 141 CB ARG s1152 211.828 143.744 207.820 1.00 99.99 ATOM 142 N LEU s1153 213.011 141.275 205.602 1.00147.78 ATOM 143 CA LEU s1153 213.102 140.940 204.188 1.00147.35 ATOM 144 C LEU s1153 212.391 139.638 203.849 1.00145.41 ATOM 145 O LEU s1153 212.131 139.379 202.668 1.00145.98 ATOM 146 CB LEU s1153 214.565 140.847 203.752 1.00 99.99 ATOM 147 N TYR s1154 212.071 138.816 204.851 1.00166.14 ATOM 148 CA TYR s1154 211.388 137.556 204.581 1.00164.98 ATOM 149 C TYR s1154 209.901 137.763 204.324 1.00167.58 ATOM 150 O TYR s1154 209.259 136.914 203.696 1.00167.63 ATOM 151 CB TYR s1154 211.582 136.581 205.744 1.00 99.99 ATOM 152 N ASP s1155 209.339 138.876 204.799 1.00199.48 ATOM 153 CA ASP s1155 207.922 139.138 204.573 1.00202.54 ATOM 154 C ASP s1155 207.670 139.722 203.189 1.00204.50 ATOM 155 O ASP s1155 206.541 139.662 202.687 1.00206.43 ATOM 156 CB ASP s1155 207.375 140.085 205.643 1.00 99.99 ATOM 157 N LEU s1156 208.696 140.289 202.561 1.00183.40 ATOM 158 CA LEU s1156 208.558 140.898 201.247 1.00185.79 ATOM 159 C LEU s1156 208.754 139.856 200.153 1.00183.92 ATOM 160 O LEU s1156 209.574 138.942 200.287 1.00180.81 ATOM 161 CB LEU s1156 209.557 142.044 201.080 1.00 99.99 ATOM 162 N ASN s1157 207.996 140.001 199.070 1.00206.90 ATOM 163 CA ASN s1157 208.090 139.098 197.932 1.00206.01 ATOM 164 C ASN s1157 209.169 139.599 196.971 1.00206.52 ATOM 165 O ASN s1157 209.954 140.497 197.290 1.00207.45 ATOM 166 CB ASN s1157 206.738 138.982 197.227 1.00 99.99 ATOM 167 N HIS s1158 209.222 139.011 195.773 1.00197.36 ATOM 168 CA HIS s1158 210.208 139.436 194.784 1.00197.73 ATOM 169 C HIS s1158 209.848 140.785 194.174 1.00201.42 ATOM 170 O HIS s1158 210.737 141.533 193.753 1.00202.05 ATOM 171 CB HIS s1158 210.346 138.387 193.679 1.00 99.99 ATOM 172 N ASN s1159 208.555 141.112 194.117 1.00188.39 ATOM 173 CA ASN s1159 208.141 142.407 193.591 1.00192.68 ATOM 174 C ASN s1159 208.309 143.513 194.627 1.00193.92 ATOM 175 O ASN s1159 208.631 144.653 194.276 1.00196.43 ATOM 176 CB ASN s1159 206.687 142.353 193.118 1.00 99.99 ATOM 177 N GLU s1160 208.093 143.194 195.906 1.00194.06 ATOM 178 CA GLU s1160 208.218 144.205 196.951 1.00195.67 ATOM 179 C GLU s1160 209.675 144.510 197.271 1.00194.03 ATOM 180 O GLU s1160 209.990 145.613 197.730 1.00196.62 ATOM 181 CB GLU s1160 207.492 143.756 198.221 1.00 99.99 ATOM 182 N ILE s1161 210.574 143.550 197.043 1.00180.66 ATOM 183 CA ILE s1161 211.986 143.767 197.342 1.00179.07 ATOM 184 C ILE s1161 212.625 144.658 196.284 1.00182.49 ATOM 185 O ILE s1161 213.547 145.430 196.574 1.00184.30 ATOM 186 CB ILE s1161 212.756 142.436 197.425 1.00 99.99 ATOM 187 N GLY s1162 212.148 144.561 195.042 1.00215.31 ATOM 188 CA GLY s1162 212.692 145.379 193.973 1.00218.79 ATOM 189 C GLY s1162 212.288 146.836 194.047 1.00223.93 ATOM 190 O GLY s1162 213.043 147.703 193.597 1.00227.27 ATOM 191 N GLU s1163 211.113 147.128 194.609 1.00187.09 ATOM 192 CA GLU s1163 210.671 148.511 194.731 1.00192.63 ATOM 193 C GLU s1163 211.125 149.152 196.034 1.00194.39 ATOM 194 O GLU s1163 211.032 150.376 196.173 1.00199.78 ATOM 195 CB GLU s1163 209.147 148.598 194.624 1.00 99.99 ATOM 196 N LEU s1164 211.614 148.359 196.989 1.00187.60 ATOM 197 CA LEU s1164 212.036 148.915 198.270 1.00189.10 ATOM 198 C LEU s1164 213.472 149.420 198.206 1.00191.54 ATOM 199 O LEU s1164 213.774 150.525 198.672 1.00196.53 ATOM 200 CB LEU s1164 211.895 147.872 199.380 1.00 99.99 ATOM 201 N ILE s1165 214.373 148.624 197.630 1.00220.68 ATOM 202 CA ILE s1165 215.790 148.968 197.583 1.00222.93 ATOM 203 C ILE s1165 216.123 149.653 196.265 1.00227.13 ATOM 204 O ILE s1165 217.301 149.889 195.966 1.00229.50 ATOM 205 CB ILE s1165 216.679 147.723 197.757 1.00 99.99 ATOM 206 N ARG s1166 215.082 149.966 195.480 1.00233.92 ATOM 207 CA ARG s1166 215.178 150.649 194.178 1.00237.79 ATOM 208 C ARG s1166 216.071 149.894 193.195 1.00236.14 ATOM 209 O ARG s1166 216.818 150.496 192.421 1.00240.24 ATOM 210 CB ARG s1166 215.704 152.074 194.358 1.00 99.99 ATOM 211 N MET s1167 215.999 148.561 193.225 1.00197.64 ATOM 212 CA MET s1167 216.776 147.694 192.341 1.00195.88 ATOM 213 C MET s1167 215.846 146.612 191.803 1.00191.62 ATOM 214 O MET s1167 215.744 145.521 192.386 1.00187.07 ATOM 215 CB MET s1167 217.969 147.097 193.089 1.00 99.99 ATOM 216 N PRO s1168 215.147 146.878 190.695 1.00184.63 ATOM 217 CA PRO s1168 214.241 145.860 190.141 1.00181.52 ATOM 218 C PRO s1168 214.962 144.719 189.447 1.00178.82 ATOM 219 O PRO s1168 214.395 143.623 189.348 1.00175.40 ATOM 220 CB PRO s1168 213.381 146.658 189.153 1.00192.12 ATOM 221 CG PRO s1168 214.260 147.789 188.735 1.00196.93 ATOM 222 CD PRO s1168 215.089 148.143 189.940 1.00196.90 ATOM 223 N LYS s1169 216.189 144.935 188.964 1.00186.92 ATOM 224 CA LYS s1169 216.931 143.850 188.332 1.00185.00 ATOM 225 C LYS s1169 217.496 142.886 189.365 1.00180.16 ATOM 226 O LYS s1169 217.709 141.706 189.062 1.00177.68 ATOM 227 CB LYS s1169 218.061 144.408 187.465 1.00 99.99 ATOM 228 N MET s1170 217.745 143.363 190.585 1.00197.19 ATOM 229 CA MET s1170 218.242 142.509 191.655 1.00192.97 ATOM 230 C MET s1170 217.128 141.868 192.469 1.00189.75 ATOM 231 O MET s1170 217.423 141.192 193.462 1.00186.32 ATOM 232 CB MET s1170 219.156 143.301 192.592 1.00 99.99 ATOM 233 N GLY s1171 215.865 142.058 192.077 1.00195.97 ATOM 234 CA GLY s1171 214.766 141.472 192.829 1.00193.90 ATOM 235 C GLY s1171 214.693 139.964 192.693 1.00190.21 ATOM 236 O GLY s1171 214.215 139.272 193.596 1.00187.79 ATOM 237 N LYS s1172 215.164 139.434 191.563 1.00174.68 ATOM 238 CA LYS s1172 215.228 137.986 191.397 1.00171.90 ATOM 239 C LYS s1172 216.358 137.393 192.231 1.00169.16 ATOM 240 O LYS s1172 216.205 136.322 192.831 1.00166.70 ATOM 241 CB LYS s1172 215.411 137.623 189.922 1.00 99.99 ATOM 242 N THR s1173 217.497 138.089 192.292 1.00174.63 ATOM 243 CA THR s1173 218.621 137.617 193.094 1.00172.47 ATOM 244 C THR s1173 218.312 137.716 194.584 1.00170.67 ATOM 245 O THR s1173 218.760 136.883 195.379 1.00168.04 ATOM 246 CB THR s1173 219.904 138.412 192.790 1.00 99.99 ATOM 247 N ILE s1174 217.521 138.721 194.974 1.00157.71 ATOM 248 CA ILE s1174 217.114 138.858 196.373 1.00156.40 ATOM 249 C ILE s1174 216.168 137.729 196.763 1.00153.94 ATOM 250 O ILE s1174 216.251 137.176 197.867 1.00151.54 ATOM 251 CB ILE s1174 216.432 140.214 196.632 1.00 99.99 ATOM 252 N HIS s1175 215.269 137.351 195.849 1.00154.02 ATOM 253 CA HIS s1175 214.367 136.233 196.108 1.00152.30 ATOM 254 C HIS s1175 215.121 134.910 196.133 1.00149.86 ATOM 255 O HIS s1175 214.791 134.013 196.920 1.00148.04 ATOM 256 CB HIS s1175 213.257 136.185 195.057 1.00 99.99 ATOM 257 N LYS s1176 216.152 134.778 195.293 1.00162.02 ATOM 258 CA LYS s1176 216.979 133.575 195.298 1.00160.21 ATOM 259 C LYS s1176 217.793 133.468 196.583 1.00158.15 ATOM 260 O LYS s1176 217.984 132.373 197.123 1.00156.65 ATOM 261 CB LYS s1176 217.910 133.560 194.084 1.00 99.99 ATOM 262 N TYR s1177 218.271 134.606 197.095 1.00165.81 ATOM 263 CA TYR s1177 219.001 134.598 198.359 1.00164.18 ATOM 264 C TYR s1177 218.065 134.353 199.537 1.00163.17 ATOM 265 O TYR s1177 218.472 133.772 200.551 1.00161.39 ATOM 266 CB TYR s1177 219.753 135.916 198.552 1.00 99.99 ATOM 267 N VAL s1178 216.809 134.794 199.425 1.00127.70 ATOM 268 CA VAL s1178 215.834 134.540 200.482 1.00126.88 ATOM 269 C VAL s1178 215.423 133.075 200.499 1.00126.87 ATOM 270 O VAL s1178 215.223 132.490 201.570 1.00126.30 ATOM 271 CB VAL s1178 214.580 135.418 200.316 1.00 99.99 ATOM 272 N HIS s1179 215.290 132.459 199.325 1.00135.81 ATOM 273 CA HIS s1179 214.958 131.046 199.235 1.00135.28 ATOM 274 C HIS s1179 216.141 130.135 199.535 1.00134.44 ATOM 275 O HIS s1179 215.931 128.993 199.958 1.00134.48 ATOM 276 CB HIS s1179 214.409 130.712 197.847 1.00 99.99 ATOM 277 N LEU s1180 217.371 130.607 199.329 1.00135.66 ATOM 278 CA LEU s1180 218.543 129.780 199.597 1.00134.48 ATOM 279 C LEU s1180 219.004 129.890 201.045 1.00133.25 ATOM 280 O LEU s1180 219.822 129.076 201.490 1.00132.45 ATOM 281 CB LEU s1180 219.693 130.160 198.662 1.00 99.99 TER