HEADER SPLICING 31-DEC-69 7DCO TITLE Cryo-EM structure of the activated spliceosome (Bact complex) at an TITLE 2 atomic resolution of 2.5 angstrom COMPND MOL_ID: 40; COMPND 2 MOLECULE: Pre-mRNA-splicing factor CWC21; COMPND 3 CHAIN: U; EXPDTA ELECTRON MICROSCOPY DBREF 7DCO U 1 135 UNP A0A6A5PZ A0A6A5PZG6_ 1 135 SEQRES 1 U 27 SER TYR ASN GLY ILE GLY LEU LYS SER ALA LYS GLY SER SEQRES 2 U 27 SER THR SER GLY HIS VAL GLN ARG SER LEU ALA SER ASN SEQRES 3 U 27 ASN ATOM 1 N SER U 2 240.358 266.890 186.621 1.00 13.71 ATOM 2 CA SER U 2 240.873 265.799 185.806 1.00 13.71 ATOM 3 C SER U 2 241.532 264.701 186.654 1.00 13.71 ATOM 4 O SER U 2 241.842 264.914 187.819 1.00 13.71 ATOM 5 CB SER U 2 241.841 266.359 184.769 1.00 13.71 ATOM 6 OG SER U 2 242.906 267.066 185.366 1.00 13.71 ATOM 7 N TYR U 3 241.716 263.526 186.045 1.00 15.13 ATOM 8 CA TYR U 3 242.156 262.317 186.742 1.00 15.13 ATOM 9 C TYR U 3 243.661 262.323 187.009 1.00 15.13 ATOM 10 O TYR U 3 244.095 261.981 188.113 1.00 15.13 ATOM 11 CB TYR U 3 241.753 261.086 185.923 1.00 15.13 ATOM 12 CG TYR U 3 242.139 259.759 186.519 1.00 15.13 ATOM 13 CD1 TYR U 3 241.432 259.221 187.573 1.00 15.13 ATOM 14 CD2 TYR U 3 243.223 259.043 186.026 1.00 15.13 ATOM 15 CE1 TYR U 3 241.772 258.011 188.115 1.00 15.13 ATOM 16 CE2 TYR U 3 243.578 257.819 186.572 1.00 15.13 ATOM 17 CZ TYR U 3 242.846 257.322 187.617 1.00 15.13 ATOM 18 OH TYR U 3 243.190 256.120 188.166 1.00 15.13 ATOM 19 N ASN U 4 244.462 262.646 185.984 1.00 14.30 ATOM 20 CA ASN U 4 245.884 263.013 186.097 1.00 14.30 ATOM 21 C ASN U 4 246.758 261.898 186.679 1.00 14.30 ATOM 22 O ASN U 4 247.777 262.164 187.317 1.00 14.30 ATOM 23 CB ASN U 4 246.058 264.295 186.911 1.00 14.30 ATOM 24 CG ASN U 4 245.386 265.490 186.273 1.00 14.30 ATOM 25 OD1 ASN U 4 245.377 265.644 185.056 1.00 14.30 ATOM 26 ND2 ASN U 4 244.824 266.352 187.101 1.00 14.30 ATOM 27 N GLY U 5 246.370 260.645 186.461 1.00 17.72 ATOM 28 CA GLY U 5 247.155 259.506 186.903 1.00 17.72 ATOM 29 C GLY U 5 247.196 259.285 188.398 1.00 17.72 ATOM 30 O GLY U 5 248.128 258.648 188.894 1.00 17.72 ATOM 31 N ILE U 6 246.206 259.778 189.133 1.00 14.02 ATOM 32 CA ILE U 6 246.139 259.617 190.580 1.00 14.02 ATOM 33 C ILE U 6 244.758 259.108 190.946 1.00 14.02 ATOM 34 O ILE U 6 243.747 259.590 190.427 1.00 14.02 ATOM 35 CB ILE U 6 246.480 260.936 191.315 1.00 14.02 ATOM 36 CG1 ILE U 6 247.971 261.201 191.178 1.00 14.02 ATOM 37 CG2 ILE U 6 246.090 260.912 192.796 1.00 14.02 ATOM 38 CD1 ILE U 6 248.364 262.528 191.537 1.00 14.02 ATOM 39 N GLY U 7 244.720 258.134 191.835 1.00 13.71 ATOM 40 CA GLY U 7 243.480 257.586 192.322 1.00 13.71 ATOM 41 C GLY U 7 243.396 256.094 192.081 1.00 13.71 ATOM 42 O GLY U 7 244.166 255.506 191.317 1.00 13.71 ATOM 43 N LEU U 8 242.459 255.474 192.785 1.00 13.84 ATOM 44 CA LEU U 8 242.193 254.065 192.593 1.00 13.84 ATOM 45 C LEU U 8 241.582 253.823 191.224 1.00 13.84 ATOM 46 O LEU U 8 240.982 254.708 190.608 1.00 13.84 ATOM 47 CB LEU U 8 241.249 253.546 193.667 1.00 13.84 ATOM 48 CG LEU U 8 241.805 253.510 195.081 1.00 13.84 ATOM 49 CD1 LEU U 8 240.670 253.263 196.035 1.00 13.84 ATOM 50 CD2 LEU U 8 242.864 252.444 195.206 1.00 13.84 ATOM 51 N LYS U 9 241.747 252.597 190.748 1.00 12.93 ATOM 52 CA LYS U 9 241.133 252.220 189.491 1.00 12.93 ATOM 53 C LYS U 9 239.626 252.079 189.636 1.00 12.93 ATOM 54 O LYS U 9 238.886 252.312 188.675 1.00 12.93 ATOM 55 CB LYS U 9 241.776 250.939 188.995 1.00 12.93 ATOM 56 CG LYS U 9 243.246 251.120 188.718 1.00 12.93 ATOM 57 CD LYS U 9 243.904 249.828 188.317 1.00 12.93 ATOM 58 CE LYS U 9 243.471 249.418 186.934 1.00 12.93 ATOM 59 NZ LYS U 9 243.946 250.375 185.896 1.00 12.93 ATOM 60 N SER U 10 239.161 251.711 190.825 1.00 11.81 ATOM 61 CA SER U 10 237.752 251.754 191.181 1.00 11.81 ATOM 62 C SER U 10 237.652 251.760 192.694 1.00 11.81 ATOM 63 O SER U 10 238.574 251.342 193.397 1.00 11.81 ATOM 64 CB SER U 10 236.970 250.565 190.613 1.00 11.81 ATOM 65 OG SER U 10 236.900 250.614 189.201 1.00 11.81 ATOM 66 N ALA U 11 236.521 252.242 193.186 1.00 12.78 ATOM 67 CA ALA U 11 236.169 252.078 194.587 1.00 12.78 ATOM 68 C ALA U 11 235.191 250.911 194.731 1.00 12.78 ATOM 69 O ALA U 11 234.065 251.050 195.205 1.00 12.78 ATOM 70 CB ALA U 11 235.583 253.371 195.133 1.00 12.78 ATOM 71 N LYS U 12 235.645 249.741 194.298 1.00 13.13 ATOM 72 CA LYS U 12 234.828 248.537 194.341 1.00 13.13 ATOM 73 C LYS U 12 235.402 247.489 195.278 1.00 13.13 ATOM 74 O LYS U 12 234.683 246.987 196.147 1.00 13.13 ATOM 75 CB LYS U 12 234.646 247.978 192.921 1.00 13.13 ATOM 76 CG LYS U 12 233.842 246.694 192.802 1.00 13.13 ATOM 77 CD LYS U 12 233.515 246.441 191.340 1.00 13.13 ATOM 78 CE LYS U 12 233.122 245.027 191.032 1.00 13.13 ATOM 79 NZ LYS U 12 231.903 244.684 191.732 1.00 13.13 ATOM 80 N GLY U 13 236.678 247.169 195.163 1.00 8.97 ATOM 81 CA GLY U 13 237.261 246.284 196.142 1.00 8.97 ATOM 82 C GLY U 13 237.840 246.962 197.353 1.00 8.97 ATOM 83 O GLY U 13 238.501 246.300 198.158 1.00 8.97 ATOM 84 N SER U 14 237.590 248.256 197.520 1.00 10.23 ATOM 85 CA SER U 14 238.460 249.122 198.298 1.00 10.23 ATOM 86 C SER U 14 237.999 249.379 199.720 1.00 10.23 ATOM 87 O SER U 14 238.837 249.694 200.569 1.00 10.23 ATOM 88 CB SER U 14 238.601 250.462 197.586 1.00 10.23 ATOM 89 OG SER U 14 239.407 251.325 198.348 1.00 10.23 ATOM 90 N SER U 15 236.685 249.324 199.960 1.00 9.54 ATOM 91 CA SER U 15 235.941 249.736 201.155 1.00 9.54 ATOM 92 C SER U 15 235.908 251.244 201.349 1.00 9.54 ATOM 93 O SER U 15 235.454 251.701 202.398 1.00 9.54 ATOM 94 CB SER U 15 236.435 249.081 202.455 1.00 9.54 ATOM 95 OG SER U 15 236.327 247.681 202.416 1.00 9.54 ATOM 96 N THR U 16 236.366 252.030 200.378 1.00 10.71 ATOM 97 CA THR U 16 236.316 253.488 200.447 1.00 10.71 ATOM 98 C THR U 16 235.432 254.029 199.327 1.00 10.71 ATOM 99 O THR U 16 235.053 253.305 198.410 1.00 10.71 ATOM 100 CB THR U 16 237.715 254.112 200.334 1.00 10.71 ATOM 101 OG1 THR U 16 238.142 254.091 198.969 1.00 10.71 ATOM 102 CG2 THR U 16 238.737 253.309 201.119 1.00 10.71 ATOM 103 N SER U 17 235.137 255.329 199.387 1.00 13.25 ATOM 104 CA SER U 17 234.399 255.982 198.309 1.00 13.25 ATOM 105 C SER U 17 235.281 256.348 197.124 1.00 13.25 ATOM 106 O SER U 17 234.765 256.507 196.018 1.00 13.25 ATOM 107 CB SER U 17 233.707 257.247 198.807 1.00 13.25 ATOM 108 OG SER U 17 234.648 258.253 199.123 1.00 13.25 ATOM 109 N GLY U 18 236.586 256.471 197.318 1.00 10.60 ATOM 110 CA GLY U 18 237.477 256.829 196.240 1.00 10.60 ATOM 111 C GLY U 18 237.701 258.311 196.053 1.00 10.60 ATOM 112 O GLY U 18 238.351 258.693 195.074 1.00 10.60 ATOM 113 N HIS U 19 237.212 259.147 196.969 1.00 8.78 ATOM 114 CA HIS U 19 237.308 260.596 196.844 1.00 8.78 ATOM 115 C HIS U 19 238.754 261.040 197.014 1.00 8.78 ATOM 116 O HIS U 19 239.386 260.720 198.016 1.00 8.78 ATOM 117 CB HIS U 19 236.406 261.271 197.880 1.00 8.78 ATOM 118 CG HIS U 19 236.498 262.764 197.882 1.00 8.78 ATOM 119 ND1 HIS U 19 235.979 263.545 196.874 1.00 8.78 ATOM 120 CD2 HIS U 19 237.061 263.621 198.764 1.00 8.78 ATOM 121 CE1 HIS U 19 236.222 264.816 197.132 1.00 8.78 ATOM 122 NE2 HIS U 19 236.871 264.889 198.277 1.00 8.78 ATOM 123 N VAL U 20 239.278 261.777 196.038 1.00 5.86 ATOM 124 CA VAL U 20 240.644 262.286 196.069 1.00 5.86 ATOM 125 C VAL U 20 240.592 263.805 196.136 1.00 5.86 ATOM 126 O VAL U 20 239.728 264.430 195.519 1.00 5.86 ATOM 127 CB VAL U 20 241.453 261.793 194.849 1.00 5.86 ATOM 128 CG1 VAL U 20 242.845 262.381 194.813 1.00 5.86 ATOM 129 CG2 VAL U 20 241.571 260.299 194.881 1.00 5.86 ATOM 130 N GLN U 21 241.470 264.392 196.933 1.00 5.19 ATOM 131 CA GLN U 21 241.650 265.827 196.940 1.00 5.19 ATOM 132 C GLN U 21 243.134 266.148 196.918 1.00 5.19 ATOM 133 O GLN U 21 243.959 265.361 197.372 1.00 5.19 ATOM 134 CB GLN U 21 240.941 266.413 198.128 1.00 5.19 ATOM 135 CG GLN U 21 241.423 265.910 199.421 1.00 5.19 ATOM 136 CD GLN U 21 240.397 266.146 200.466 1.00 5.19 ATOM 137 OE1 GLN U 21 239.374 266.755 200.192 1.00 5.19 ATOM 138 NE2 GLN U 21 240.621 265.639 201.652 1.00 5.19 ATOM 139 N ARG U 22 243.470 267.274 196.298 1.00 7.27 ATOM 140 CA ARG U 22 244.840 267.748 196.294 1.00 7.27 ATOM 141 C ARG U 22 245.197 268.273 197.672 1.00 7.27 ATOM 142 O ARG U 22 244.377 268.897 198.341 1.00 7.27 ATOM 143 CB ARG U 22 245.014 268.835 195.245 1.00 7.27 ATOM 144 CG ARG U 22 246.431 269.311 195.029 1.00 7.27 ATOM 145 CD ARG U 22 246.493 270.254 193.856 1.00 7.27 ATOM 146 NE ARG U 22 247.801 270.877 193.687 1.00 7.27 ATOM 147 CZ ARG U 22 248.803 270.384 192.960 1.00 7.27 ATOM 148 NH1 ARG U 22 248.675 269.234 192.306 1.00 7.27 ATOM 149 NH2 ARG U 22 249.944 271.057 192.882 1.00 7.27 ATOM 150 N SER U 23 246.428 268.024 198.103 1.00 4.40 ATOM 151 CA SER U 23 246.856 268.480 199.413 1.00 4.40 ATOM 152 C SER U 23 247.247 269.948 199.367 1.00 4.40 ATOM 153 O SER U 23 247.970 270.390 198.471 1.00 4.40 ATOM 154 CB SER U 23 248.014 267.650 199.950 1.00 4.40 ATOM 155 OG SER U 23 248.418 268.162 201.193 1.00 4.40 ATOM 156 N LEU U 24 246.745 270.695 200.344 1.00 2.89 ATOM 157 CA LEU U 24 247.035 272.111 200.510 1.00 2.89 ATOM 158 C LEU U 24 248.321 272.322 201.289 1.00 2.89 ATOM 159 O LEU U 24 248.925 273.390 201.208 1.00 2.89 ATOM 160 CB LEU U 24 245.860 272.767 201.214 1.00 2.89 ATOM 161 CG LEU U 24 244.673 273.339 200.449 1.00 2.89 ATOM 162 CD1 LEU U 24 243.980 272.328 199.604 1.00 2.89 ATOM 163 CD2 LEU U 24 243.718 273.766 201.488 1.00 2.89 ATOM 164 N ALA U 25 248.748 271.319 202.050 1.00 4.51 ATOM 165 CA ALA U 25 250.045 271.339 202.698 1.00 4.51 ATOM 166 C ALA U 25 251.189 271.043 201.747 1.00 4.51 ATOM 167 O ALA U 25 252.345 271.234 202.123 1.00 4.51 ATOM 168 CB ALA U 25 250.072 270.327 203.835 1.00 4.51 ATOM 169 N SER U 26 250.904 270.566 200.545 1.00 9.06 ATOM 170 CA SER U 26 251.926 270.346 199.540 1.00 9.06 ATOM 171 C SER U 26 252.236 271.684 198.890 1.00 9.06 ATOM 172 O SER U 26 251.354 272.290 198.272 1.00 9.06 ATOM 173 CB SER U 26 251.451 269.334 198.508 1.00 9.06 ATOM 174 OG SER U 26 252.415 269.184 197.496 1.00 9.06 ATOM 175 N ASN U 27 253.483 272.148 199.050 1.00 18.25 ATOM 176 CA ASN U 27 253.848 273.497 198.620 1.00 18.25 ATOM 177 C ASN U 27 253.750 273.654 197.109 1.00 18.25 ATOM 178 O ASN U 27 253.164 274.626 196.626 1.00 18.25 ATOM 179 CB ASN U 27 255.251 273.862 199.122 1.00 18.25 ATOM 180 CG ASN U 27 256.333 272.864 198.693 1.00 18.25 ATOM 181 OD1 ASN U 27 256.071 271.875 197.999 1.00 18.25 ATOM 182 ND2 ASN U 27 257.563 273.133 199.110 1.00 18.25 ATOM 183 N ASN U 28 254.273 272.685 196.360 1.00 20.93 ATOM 184 CA ASN U 28 254.133 272.604 194.913 1.00 20.93 ATOM 185 C ASN U 28 254.155 271.130 194.502 1.00 20.93 ATOM 186 O ASN U 28 254.526 270.786 193.378 1.00 20.93 ATOM 187 CB ASN U 28 255.252 273.383 194.208 1.00 20.93 ATOM 188 CG ASN U 28 255.062 274.882 194.292 1.00 20.93 ATOM 189 OD1 ASN U 28 254.000 275.397 193.962 1.00 20.93 ATOM 190 ND2 ASN U 28 256.059 275.579 194.816 1.00 20.93 TER