HEADER SPLICING 21-JAN-16 3JCR TITLE 3D structure determination of the human*U4/U6.U5* tri-snRNP complex COMPND MOL_ID: 8; COMPND 2 MOLECULE: SmB; COMPND 3 CHAIN: O, o; EXPDTA ELECTRON MICROSCOPY DBREF 3JCR O 1 240 UNP P14678 RSMB_HUMAN 1 240 SEQRES 1 O 89 SER LYS MET LEU GLN HIS ILE ASP TYR ARG MET ARG CYS SEQRES 2 O 89 ILE LEU GLN ASP GLY ARG ILE PHE ILE GLY THR PHE LYS SEQRES 3 O 89 ALA PHE ASP LYS HIS MET ASN LEU ILE LEU CYS ASP CYS SEQRES 4 O 89 ASP GLU PHE ARG LYS ILE LYS PRO LYS ASN SER LYS GLN SEQRES 5 O 89 ALA GLU ARG GLU GLU LYS ARG VAL LEU GLY LEU VAL LEU SEQRES 6 O 89 LEU ARG GLY GLU ASN LEU VAL SER MET THR VAL GLU GLY SEQRES 7 O 89 PRO PRO PRO LYS ASP THR GLY ILE ALA ARG VAL ATOM 1 CA SER O 7 182.978 224.930 114.269 1.00 0.00 ATOM 2 CA LYS O 8 181.127 228.205 113.610 1.00 0.00 ATOM 3 CA MET O 9 178.960 227.376 116.662 1.00 0.00 ATOM 4 CA LEU O 10 181.972 227.883 118.985 1.00 0.00 ATOM 5 CA GLN O 11 182.663 231.398 117.599 1.00 0.00 ATOM 6 CA HIS O 12 179.294 232.961 118.605 1.00 0.00 ATOM 7 CA ILE O 13 179.330 231.615 122.193 1.00 0.00 ATOM 8 CA ASP O 14 178.933 234.462 124.746 1.00 0.00 ATOM 9 CA TYR O 15 177.515 236.803 122.088 1.00 0.00 ATOM 10 CA ARG O 16 174.601 239.215 121.634 1.00 0.00 ATOM 11 CA MET O 17 173.040 237.896 118.436 1.00 0.00 ATOM 12 CA ARG O 18 170.022 239.085 116.431 1.00 0.00 ATOM 13 CA CYS O 19 167.486 236.361 115.838 1.00 0.00 ATOM 14 CA ILE O 20 164.537 236.599 113.488 1.00 0.00 ATOM 15 CA LEU O 21 161.384 234.491 113.549 1.00 0.00 ATOM 16 CA GLN O 22 158.923 233.813 110.688 1.00 0.00 ATOM 17 CA ASP O 23 156.440 236.372 112.111 1.00 0.00 ATOM 18 CA GLY O 24 159.044 239.123 111.477 1.00 0.00 ATOM 19 CA ARG O 25 159.766 239.528 115.211 1.00 0.00 ATOM 20 CA ILE O 26 163.399 240.332 116.036 1.00 0.00 ATOM 21 CA PHE O 27 165.166 239.062 119.182 1.00 0.00 ATOM 22 CA ILE O 28 168.360 240.826 120.371 1.00 0.00 ATOM 23 CA GLY O 29 170.059 239.065 123.275 1.00 0.00 ATOM 24 CA THR O 30 173.052 237.295 124.770 1.00 0.00 ATOM 25 CA PHE O 31 173.234 234.046 122.821 1.00 0.00 ATOM 26 CA LYS O 32 174.558 231.403 125.195 1.00 0.00 ATOM 27 CA ALA O 33 173.044 227.984 124.277 1.00 0.00 ATOM 28 CA PHE O 34 171.569 226.382 121.133 1.00 0.00 ATOM 29 CA ASP O 35 170.750 222.809 120.128 1.00 0.00 ATOM 30 CA LYS O 36 170.698 220.476 117.100 1.00 0.00 ATOM 31 CA HIS O 37 167.150 221.718 116.362 1.00 0.00 ATOM 32 CA MET O 38 168.288 225.362 116.553 1.00 0.00 ATOM 33 CA ASN O 39 166.367 226.174 119.727 1.00 0.00 ATOM 34 CA LEU O 40 168.196 229.179 121.089 1.00 0.00 ATOM 35 CA ILE O 41 168.750 230.247 124.708 1.00 0.00 ATOM 36 CA LEU O 42 169.080 234.088 124.788 1.00 0.00 ATOM 37 CA CYS O 43 169.951 236.330 127.787 1.00 0.00 ATOM 38 CA ASP O 44 168.535 239.778 128.531 1.00 0.00 ATOM 39 CA CYS O 45 166.590 239.383 125.296 1.00 0.00 ATOM 40 CA ASP O 46 164.554 242.295 124.045 1.00 0.00 ATOM 41 CA GLU O 47 161.564 242.164 121.662 1.00 0.00 ATOM 42 CA PHE O 48 160.655 244.989 119.242 1.00 0.00 ATOM 43 CA ARG O 49 157.548 246.785 117.963 1.00 0.00 ATOM 44 CA LYS O 50 157.011 249.461 115.296 1.00 0.00 ATOM 45 CA ILE O 51 155.291 252.860 115.908 1.00 0.00 ATOM 46 CA LYS O 52 154.663 256.102 113.947 1.00 0.00 ATOM 47 CA PRO O 53 154.176 259.889 114.542 1.00 0.00 ATOM 48 CA LYS O 54 151.155 262.131 113.801 1.00 0.00 ATOM 49 CA ASN O 55 152.612 264.896 111.577 1.00 0.00 ATOM 50 CA SER O 56 155.861 264.441 109.576 1.00 0.00 ATOM 51 CA LYS O 57 158.116 266.121 112.199 1.00 0.00 ATOM 52 CA GLN O 58 158.142 264.163 115.484 1.00 0.00 ATOM 53 CA ALA O 59 160.065 261.720 117.811 1.00 0.00 ATOM 54 CA GLU O 60 160.273 258.016 116.889 1.00 0.00 ATOM 55 CA ARG O 61 158.828 255.543 119.408 1.00 0.00 ATOM 56 CA GLU O 62 159.403 251.799 119.209 1.00 0.00 ATOM 57 CA GLU O 63 157.504 249.977 121.952 1.00 0.00 ATOM 58 CA LYS O 64 158.934 246.858 123.477 1.00 0.00 ATOM 59 CA ARG O 65 158.461 244.175 126.042 1.00 0.00 ATOM 60 CA VAL O 66 161.594 243.276 128.007 1.00 0.00 ATOM 61 CA LEU O 67 161.719 239.472 128.211 1.00 0.00 ATOM 62 CA GLY O 68 164.894 238.854 130.252 1.00 0.00 ATOM 63 CA LEU O 69 165.822 235.158 129.921 1.00 0.00 ATOM 64 CA VAL O 70 164.213 233.340 127.001 1.00 0.00 ATOM 65 CA LEU O 71 164.147 230.055 125.046 1.00 0.00 ATOM 66 CA LEU O 72 163.298 230.361 121.322 1.00 0.00 ATOM 67 CA ARG O 73 161.997 227.546 119.087 1.00 0.00 ATOM 68 CA GLY O 74 163.906 226.183 116.053 1.00 0.00 ATOM 69 CA GLU O 75 160.957 225.699 113.705 1.00 0.00 ATOM 70 CA ASN O 76 160.010 229.361 113.656 1.00 0.00 ATOM 71 CA LEU O 77 163.551 230.807 113.245 1.00 0.00 ATOM 72 CA VAL O 78 164.684 232.668 110.144 1.00 0.00 ATOM 73 CA SER O 79 168.111 234.257 110.717 1.00 0.00 ATOM 74 CA MET O 80 170.843 235.236 113.210 1.00 0.00 ATOM 75 CA THR O 81 172.966 238.359 112.605 1.00 0.00 ATOM 76 CA VAL O 82 175.653 239.973 114.770 1.00 0.00 ATOM 77 CA GLU O 83 174.045 243.197 116.016 1.00 0.00 ATOM 78 CA GLY O 84 176.613 243.807 118.785 1.00 0.00 ATOM 79 CA PRO O 85 180.095 242.653 119.876 1.00 0.00 ATOM 80 CA PRO O 86 180.035 240.058 122.612 1.00 0.00 ATOM 81 CA PRO O 87 178.548 242.168 125.452 1.00 0.00 ATOM 82 CA LYS O 88 180.854 243.225 128.252 1.00 0.00 ATOM 83 CA ASP O 89 178.170 245.490 129.863 1.00 0.00 ATOM 84 CA THR O 90 175.916 242.536 130.688 1.00 0.00 ATOM 85 CA GLY O 91 179.031 240.527 131.579 1.00 0.00 ATOM 86 CA ILE O 92 180.470 243.128 133.979 1.00 0.00 ATOM 87 CA ALA O 93 177.051 244.321 135.263 1.00 0.00 ATOM 88 CA ARG O 94 176.593 240.787 136.556 1.00 0.00 ATOM 89 CA VAL O 95 180.221 239.582 137.420 1.00 0.00 TER