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 58 ASN PRO LEU ARG GLN ILE PRO HIS PHE ASN ASN LYS ILE SEQRES 2 N 58 LEU GLU LYS CYS LYS GLU ILE ASN VAL GLU THR VAL TYR SEQRES 3 N 58 ASP ILE MET ALA LEU GLU ASP GLU GLU ARG ASP GLU ILE SEQRES 4 N 58 LEU THR LEU THR ASP SER GLN LEU ALA GLN VAL ALA ALA SEQRES 5 N 58 PHE VAL ASN ASN TYR PRO ATOM 1 N ASN N1992 264.088 151.731 98.460 1.00107.52 ATOM 2 CA ASN N1992 264.858 151.245 97.318 1.00 96.97 ATOM 3 C ASN N1992 264.997 149.699 97.341 1.00 92.06 ATOM 4 O ASN N1992 265.360 149.104 98.358 1.00 94.75 ATOM 5 N PRO N1993 264.679 149.034 96.224 1.00 90.17 ATOM 6 CA PRO N1993 264.770 147.562 96.082 1.00 96.99 ATOM 7 C PRO N1993 266.036 146.909 96.618 1.00101.09 ATOM 8 O PRO N1993 265.957 145.821 97.191 1.00102.20 ATOM 9 N LEU N1994 267.186 147.562 96.428 1.00 99.70 ATOM 10 CA LEU N1994 268.459 147.005 96.891 1.00100.12 ATOM 11 C LEU N1994 268.513 146.844 98.398 1.00 93.52 ATOM 12 O LEU N1994 269.223 145.974 98.882 1.00 92.68 ATOM 13 N ARG N1995 267.767 147.674 99.128 1.00 92.98 ATOM 14 CA ARG N1995 267.883 147.751 100.591 1.00 98.05 ATOM 15 C ARG N1995 267.572 146.432 101.271 1.00101.21 ATOM 16 O ARG N1995 268.119 146.143 102.344 1.00 97.46 ATOM 17 N GLN N1996 266.706 145.632 100.648 1.00 98.37 ATOM 18 CA GLN N1996 266.377 144.326 101.204 1.00 94.85 ATOM 19 C GLN N1996 267.554 143.371 101.201 1.00 90.44 ATOM 20 O GLN N1996 267.623 142.494 102.050 1.00117.55 ATOM 21 N ILE N1997 268.490 143.550 100.272 1.00 95.73 ATOM 22 CA ILE N1997 269.680 142.678 100.171 1.00 96.64 ATOM 23 C ILE N1997 270.509 142.792 101.437 1.00 86.70 ATOM 24 O ILE N1997 270.682 143.881 101.931 1.00 96.64 ATOM 25 N PRO N1998 270.993 141.667 101.980 1.00 87.77 ATOM 26 CA PRO N1998 271.562 141.737 103.330 1.00 93.59 ATOM 27 C PRO N1998 272.853 142.518 103.389 1.00 97.15 ATOM 28 O PRO N1998 273.722 142.321 102.539 1.00100.01 ATOM 29 N HIS N1999 272.941 143.424 104.364 1.00 99.16 ATOM 30 CA HIS N1999 274.189 144.133 104.725 1.00103.51 ATOM 31 C HIS N1999 274.557 145.295 103.820 1.00104.13 ATOM 32 O HIS N1999 275.697 145.805 103.883 1.00 97.45 ATOM 33 N PHE N2000 273.576 145.724 103.020 1.00 93.36 ATOM 34 CA PHE N2000 273.767 146.763 102.027 1.00 85.92 ATOM 35 C PHE N2000 273.538 148.105 102.682 1.00 95.69 ATOM 36 O PHE N2000 272.438 148.663 102.610 1.00 98.04 ATOM 37 N ASN N2001 274.586 148.619 103.325 1.00 91.78 ATOM 38 CA ASN N2001 274.499 149.902 104.000 1.00 91.92 ATOM 39 C ASN N2001 274.321 151.053 103.033 1.00100.21 ATOM 40 O ASN N2001 274.358 150.873 101.825 1.00117.65 ATOM 41 N ASN N2002 274.148 152.249 103.572 1.00112.57 ATOM 42 CA ASN N2002 273.931 153.438 102.752 1.00113.96 ATOM 43 C ASN N2002 275.104 153.722 101.817 1.00111.61 ATOM 44 O ASN N2002 274.924 154.111 100.664 1.00122.28 ATOM 45 N LYS N2003 276.300 153.498 102.322 1.00102.49 ATOM 46 CA LYS N2003 277.506 153.653 101.546 1.00102.02 ATOM 47 C LYS N2003 277.581 152.612 100.394 1.00 92.62 ATOM 48 O LYS N2003 278.042 152.920 99.308 1.00108.13 ATOM 49 N ILE N2004 277.125 151.390 100.627 1.00 88.68 ATOM 50 CA ILE N2004 277.092 150.370 99.572 1.00 89.21 ATOM 51 C ILE N2004 275.968 150.734 98.609 1.00 90.82 ATOM 52 O ILE N2004 276.054 150.523 97.387 1.00 81.99 ATOM 53 N LEU N2005 274.908 151.293 99.170 1.00 87.08 ATOM 54 CA LEU N2005 273.762 151.662 98.358 1.00 98.48 ATOM 55 C LEU N2005 274.096 152.830 97.459 1.00 90.48 ATOM 56 O LEU N2005 273.563 152.951 96.368 1.00 82.15 ATOM 57 N GLU N2006 274.988 153.681 97.943 1.00 88.47 ATOM 58 CA GLU N2006 275.305 154.925 97.283 1.00 99.23 ATOM 59 C GLU N2006 276.287 154.631 96.148 1.00 98.95 ATOM 60 O GLU N2006 276.088 155.065 95.003 1.00107.22 ATOM 61 N LYS N2007 277.303 153.828 96.422 1.00 92.55 ATOM 62 CA LYS N2007 278.085 153.256 95.321 1.00 94.86 ATOM 63 C LYS N2007 277.223 152.545 94.251 1.00 97.44 ATOM 64 O LYS N2007 277.512 152.612 93.072 1.00 99.32 ATOM 65 N CYS N2008 276.162 151.864 94.651 1.00104.00 ATOM 66 CA CYS N2008 275.286 151.250 93.669 1.00 96.56 ATOM 67 C CYS N2008 274.607 152.275 92.767 1.00 99.85 ATOM 68 O CYS N2008 274.270 151.972 91.618 1.00 96.06 ATOM 69 N LYS N2009 274.395 153.477 93.288 1.00 94.73 ATOM 70 CA LYS N2009 273.696 154.494 92.536 1.00 98.94 ATOM 71 C LYS N2009 274.666 155.110 91.526 1.00101.39 ATOM 72 O LYS N2009 274.246 155.399 90.411 1.00102.29 ATOM 73 N GLU N2010 275.945 155.281 91.891 1.00 93.63 ATOM 74 CA GLU N2010 276.955 155.812 90.954 1.00 93.97 ATOM 75 C GLU N2010 277.075 154.961 89.704 1.00 94.49 ATOM 76 O GLU N2010 277.081 155.456 88.566 1.00110.58 ATOM 77 N ILE N2011 277.191 153.669 89.930 1.00 86.19 ATOM 78 CA ILE N2011 277.182 152.684 88.858 1.00 98.63 ATOM 79 C ILE N2011 275.821 152.536 88.075 1.00105.24 ATOM 80 O ILE N2011 275.752 151.887 87.015 1.00 85.91 ATOM 81 N ASN N2012 274.747 153.127 88.596 1.00110.52 ATOM 82 CA ASN N2012 273.390 152.932 88.062 1.00112.79 ATOM 83 C ASN N2012 272.988 151.459 88.099 1.00109.03 ATOM 84 O ASN N2012 272.352 150.960 87.187 1.00136.06 ATOM 85 N VAL N2013 273.385 150.750 89.138 1.00101.36 ATOM 86 CA VAL N2013 272.739 149.497 89.463 1.00101.90 ATOM 87 C VAL N2013 271.493 149.875 90.256 1.00108.21 ATOM 88 O VAL N2013 271.585 150.649 91.227 1.00108.44 ATOM 89 N GLU N2014 270.341 149.331 89.873 1.00110.50 ATOM 90 CA GLU N2014 269.074 149.730 90.506 1.00119.20 ATOM 91 C GLU N2014 268.299 148.621 91.208 1.00112.59 ATOM 92 O GLU N2014 267.769 148.846 92.298 1.00110.13 ATOM 93 N THR N2015 268.254 147.445 90.582 1.00102.11 ATOM 94 CA THR N2015 267.468 146.307 91.043 1.00102.00 ATOM 95 C THR N2015 268.342 145.164 91.501 1.00 94.33 ATOM 96 O THR N2015 269.545 145.186 91.286 1.00113.38 ATOM 97 N VAL N2016 267.727 144.137 92.083 1.00102.88 ATOM 98 CA VAL N2016 268.482 142.967 92.579 1.00115.35 ATOM 99 C VAL N2016 269.126 142.182 91.439 1.00113.70 ATOM 100 O VAL N2016 270.195 141.609 91.604 1.00123.32 ATOM 101 N TYR N2017 268.463 142.156 90.291 1.00114.26 ATOM 102 CA TYR N2017 268.980 141.467 89.113 1.00113.52 ATOM 103 C TYR N2017 270.262 142.130 88.594 1.00108.15 ATOM 104 O TYR N2017 271.255 141.446 88.352 1.00100.97 ATOM 105 N ASP N2018 270.249 143.456 88.454 1.00 98.67 ATOM 106 CA ASP N2018 271.474 144.218 88.181 1.00105.99 ATOM 107 C ASP N2018 272.658 143.761 89.042 1.00107.62 ATOM 108 O ASP N2018 273.809 143.784 88.596 1.00111.05 ATOM 109 N ILE N2019 272.364 143.374 90.279 1.00 98.56 ATOM 110 CA ILE N2019 273.369 142.865 91.200 1.00 94.40 ATOM 111 C ILE N2019 273.841 141.449 90.855 1.00 95.62 ATOM 112 O ILE N2019 275.032 141.149 91.011 1.00 99.85 ATOM 113 N MET N2020 272.920 140.572 90.432 1.00 94.71 ATOM 114 CA MET N2020 273.299 139.225 89.968 1.00106.20 ATOM 115 C MET N2020 274.286 139.445 88.814 1.00110.93 ATOM 116 O MET N2020 275.361 138.833 88.734 1.00106.64 ATOM 117 N ALA N2021 273.902 140.373 87.944 1.00104.85 ATOM 118 CA ALA N2021 274.635 140.681 86.739 1.00106.77 ATOM 119 C ALA N2021 275.996 141.336 86.966 1.00111.95 ATOM 120 O ALA N2021 276.827 141.296 86.075 1.00114.57 ATOM 121 N LEU N2022 276.213 141.962 88.124 1.00108.49 ATOM 122 CA LEU N2022 277.426 142.740 88.350 1.00100.35 ATOM 123 C LEU N2022 278.644 141.970 87.930 1.00100.62 ATOM 124 O LEU N2022 278.729 140.755 88.106 1.00100.10 ATOM 125 N GLU N2023 279.610 142.691 87.389 1.00100.18 ATOM 126 CA GLU N2023 280.863 142.074 87.024 1.00104.65 ATOM 127 C GLU N2023 281.716 141.852 88.257 1.00 97.92 ATOM 128 O GLU N2023 281.536 142.513 89.267 1.00 89.52 ATOM 129 N ASP N2024 282.665 140.935 88.163 1.00103.02 ATOM 130 CA ASP N2024 283.497 140.595 89.312 1.00112.09 ATOM 131 C ASP N2024 284.306 141.789 89.808 1.00102.73 ATOM 132 O ASP N2024 284.459 141.974 91.009 1.00100.27 ATOM 133 N GLU N2025 284.827 142.601 88.899 1.00109.63 ATOM 134 CA GLU N2025 285.690 143.726 89.311 1.00110.94 ATOM 135 C GLU N2025 284.848 144.848 89.895 1.00104.89 ATOM 136 O GLU N2025 285.313 145.593 90.734 1.00103.23 ATOM 137 N GLU N2026 283.593 144.945 89.481 1.00108.47 ATOM 138 CA GLU N2026 282.691 145.894 90.107 1.00107.50 ATOM 139 C GLU N2026 282.204 145.348 91.437 1.00101.74 ATOM 140 O GLU N2026 282.039 146.102 92.381 1.00 97.55 ATOM 141 N ARG N2027 281.964 144.036 91.498 1.00105.93 ATOM 142 CA ARG N2027 281.616 143.356 92.756 1.00101.68 ATOM 143 C ARG N2027 282.644 143.629 93.812 1.00 90.52 ATOM 144 O ARG N2027 282.311 144.031 94.908 1.00 93.97 ATOM 145 N ASP N2028 283.907 143.404 93.480 1.00 95.26 ATOM 146 CA ASP N2028 284.961 143.416 94.497 1.00104.77 ATOM 147 C ASP N2028 285.156 144.799 95.092 1.00 98.58 ATOM 148 O ASP N2028 285.852 144.942 96.084 1.00113.59 ATOM 149 N GLU N2029 284.547 145.808 94.479 1.00 94.81 ATOM 150 CA GLU N2029 284.732 147.189 94.884 1.00 95.38 ATOM 151 C GLU N2029 283.541 147.697 95.679 1.00 93.73 ATOM 152 O GLU N2029 283.717 148.476 96.607 1.00103.18 ATOM 153 N ILE N2030 282.341 147.272 95.293 1.00 95.29 ATOM 154 CA ILE N2030 281.091 147.672 95.939 1.00 98.88 ATOM 155 C ILE N2030 280.843 146.892 97.238 1.00102.42 ATOM 156 O ILE N2030 280.545 147.468 98.285 1.00102.48 ATOM 157 N LEU N2031 280.934 145.568 97.150 1.00 99.61 ATOM 158 CA LEU N2031 280.544 144.678 98.244 1.00 99.10 ATOM 159 C LEU N2031 281.653 144.568 99.280 1.00 98.64 ATOM 160 O LEU N2031 282.335 143.539 99.367 1.00 92.67 ATOM 161 N THR N2032 281.825 145.636 100.057 1.00104.10 ATOM 162 CA THR N2032 282.932 145.737 101.018 1.00109.63 ATOM 163 C THR N2032 282.425 145.070 102.284 1.00101.70 ATOM 164 O THR N2032 281.785 145.709 103.123 1.00126.96 ATOM 165 N LEU N2033 282.689 143.781 102.408 1.00 90.12 ATOM 166 CA LEU N2033 281.980 142.949 103.371 1.00 95.98 ATOM 167 C LEU N2033 282.753 141.677 103.758 1.00102.99 ATOM 168 O LEU N2033 283.607 141.184 103.021 1.00101.93 ATOM 169 N THR N2034 282.405 141.136 104.917 1.00100.46 ATOM 170 CA THR N2034 283.083 139.982 105.457 1.00 97.00 ATOM 171 C THR N2034 282.669 138.706 104.735 1.00108.40 ATOM 172 O THR N2034 281.573 138.620 104.198 1.00105.64 ATOM 173 N ASP N2035 283.551 137.709 104.746 1.00120.06 ATOM 174 CA ASP N2035 283.335 136.458 104.015 1.00128.04 ATOM 175 C ASP N2035 281.949 135.875 104.263 1.00125.99 ATOM 176 O ASP N2035 281.354 135.282 103.346 1.00109.33 ATOM 177 N SER N2036 281.474 136.012 105.509 1.00122.12 ATOM 178 CA SER N2036 280.157 135.511 105.914 1.00120.17 ATOM 179 C SER N2036 279.043 136.388 105.358 1.00109.02 ATOM 180 O SER N2036 278.047 135.894 104.857 1.00110.81 ATOM 181 N GLN N2037 279.217 137.699 105.439 1.00105.91 ATOM 182 CA GLN N2037 278.193 138.624 104.960 1.00101.30 ATOM 183 C GLN N2037 277.906 138.331 103.504 1.00 96.17 ATOM 184 O GLN N2037 276.760 138.225 103.101 1.00 97.20 ATOM 185 N LEU N2038 278.974 138.209 102.725 1.00102.74 ATOM 186 CA LEU N2038 278.884 137.900 101.300 1.00107.69 ATOM 187 C LEU N2038 278.142 136.611 101.076 1.00113.29 ATOM 188 O LEU N2038 277.402 136.478 100.099 1.00113.30 ATOM 189 N ALA N2039 278.352 135.663 101.985 1.00112.32 ATOM 190 CA ALA N2039 277.667 134.389 101.926 1.00111.84 ATOM 191 C ALA N2039 276.173 134.590 101.816 1.00105.83 ATOM 192 O ALA N2039 275.526 133.926 101.002 1.00117.15 ATOM 193 N GLN N2040 275.634 135.501 102.633 1.00 94.09 ATOM 194 CA GLN N2040 274.192 135.769 102.633 1.00100.39 ATOM 195 C GLN N2040 273.748 136.524 101.391 1.00102.04 ATOM 196 O GLN N2040 272.719 136.208 100.780 1.00106.20 ATOM 197 N VAL N2041 274.524 137.545 101.042 1.00 96.06 ATOM 198 CA VAL N2041 274.260 138.329 99.858 1.00 84.60 ATOM 199 C VAL N2041 274.186 137.331 98.709 1.00 91.61 ATOM 200 O VAL N2041 273.301 137.414 97.847 1.00 91.13 ATOM 201 N ALA N2042 275.105 136.366 98.722 1.00 95.44 ATOM 202 CA ALA N2042 275.092 135.276 97.747 1.00 99.68 ATOM 203 C ALA N2042 273.775 134.545 97.854 1.00103.40 ATOM 204 O ALA N2042 272.958 134.554 96.921 1.00109.48 ATOM 205 N ALA N2043 273.570 133.963 99.027 1.00101.32 ATOM 206 CA ALA N2043 272.387 133.183 99.330 1.00105.56 ATOM 207 C ALA N2043 271.119 133.875 98.894 1.00 94.89 ATOM 208 O ALA N2043 270.291 133.284 98.203 1.00 89.50 ATOM 209 N PHE N2044 270.980 135.124 99.319 1.00 91.19 ATOM 210 CA PHE N2044 269.858 135.941 98.913 1.00 94.94 ATOM 211 C PHE N2044 269.706 135.956 97.395 1.00 98.66 ATOM 212 O PHE N2044 268.671 135.583 96.850 1.00 99.20 ATOM 213 N VAL N2045 270.759 136.387 96.727 1.00102.05 ATOM 214 CA VAL N2045 270.673 136.733 95.324 1.00110.71 ATOM 215 C VAL N2045 270.387 135.516 94.440 1.00109.13 ATOM 216 O VAL N2045 269.689 135.613 93.426 1.00105.05 ATOM 217 N ASN N2046 270.929 134.368 94.814 1.00104.51 ATOM 218 CA ASN N2046 270.691 133.170 94.031 1.00112.65 ATOM 219 C ASN N2046 269.220 132.849 94.153 1.00111.65 ATOM 220 O ASN N2046 268.502 132.852 93.161 1.00118.56 ATOM 221 N ASN N2047 268.785 132.638 95.393 1.00115.35 ATOM 222 CA ASN N2047 267.385 132.377 95.744 1.00110.37 ATOM 223 C ASN N2047 266.344 133.355 95.212 1.00104.34 ATOM 224 O ASN N2047 265.227 132.950 94.895 1.00 98.99 ATOM 225 N TYR N2048 266.684 134.638 95.169 1.00106.07 ATOM 226 CA TYR N2048 265.756 135.675 94.700 1.00105.85 ATOM 227 C TYR N2048 265.099 135.226 93.403 1.00106.65 ATOM 228 O TYR N2048 265.772 134.689 92.537 1.00125.73 ATOM 229 N PRO N2049 263.779 135.401 93.276 1.00113.35 ATOM 230 CA PRO N2049 263.134 134.756 92.138 1.00120.11 ATOM 231 C PRO N2049 263.037 135.629 90.911 1.00119.69 ATOM 232 O PRO N2049 262.793 136.828 91.026 1.00129.68 TER