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 7 314.021 170.686 245.126 1.00 0.00 ATOM 2 CA LYS o 8 313.056 173.386 247.650 1.00 0.00 ATOM 3 CA MET o 9 313.262 170.669 250.348 1.00 0.00 ATOM 4 CA LEU o 10 317.062 170.443 249.886 1.00 0.00 ATOM 5 CA GLN o 11 317.525 174.214 250.444 1.00 0.00 ATOM 6 CA HIS o 12 316.122 174.324 254.026 1.00 0.00 ATOM 7 CA ILE o 13 318.138 171.323 255.295 1.00 0.00 ATOM 8 CA ASP o 14 320.196 172.252 258.409 1.00 0.00 ATOM 9 CA TYR o 15 318.026 175.317 259.070 1.00 0.00 ATOM 10 CA ARG o 16 316.215 176.989 261.977 1.00 0.00 ATOM 11 CA MET o 17 312.696 177.289 260.583 1.00 0.00 ATOM 12 CA ARG o 18 309.509 178.747 262.084 1.00 0.00 ATOM 13 CA CYS o 19 306.626 176.319 262.060 1.00 0.00 ATOM 14 CA ILE o 20 303.034 177.189 262.842 1.00 0.00 ATOM 15 CA LEU o 21 300.279 174.804 263.900 1.00 0.00 ATOM 16 CA GLN o 22 296.487 175.280 263.613 1.00 0.00 ATOM 17 CA ASP o 23 296.236 176.166 267.340 1.00 0.00 ATOM 18 CA GLY o 24 298.381 179.278 266.659 1.00 0.00 ATOM 19 CA ARG o 25 301.416 177.779 268.441 1.00 0.00 ATOM 20 CA ILE o 26 304.771 178.707 266.891 1.00 0.00 ATOM 21 CA PHE o 27 307.772 176.337 266.808 1.00 0.00 ATOM 22 CA ILE o 28 311.281 177.785 266.237 1.00 0.00 ATOM 23 CA GLY o 29 313.955 175.122 265.816 1.00 0.00 ATOM 24 CA THR o 30 316.651 173.447 263.758 1.00 0.00 ATOM 25 CA PHE o 31 314.731 171.825 260.917 1.00 0.00 ATOM 26 CA LYS o 32 316.577 168.641 260.008 1.00 0.00 ATOM 27 CA ALA o 33 314.054 166.006 258.774 1.00 0.00 ATOM 28 CA PHE o 34 310.565 166.060 257.210 1.00 0.00 ATOM 29 CA ASP o 35 308.449 163.477 255.389 1.00 0.00 ATOM 30 CA LYS o 36 305.886 163.138 252.573 1.00 0.00 ATOM 31 CA HIS o 37 303.147 163.871 255.151 1.00 0.00 ATOM 32 CA MET o 38 304.982 167.002 256.349 1.00 0.00 ATOM 33 CA ASN o 39 305.844 165.627 259.781 1.00 0.00 ATOM 34 CA LEU o 40 308.781 167.742 260.840 1.00 0.00 ATOM 35 CA ILE o 41 311.782 166.822 263.007 1.00 0.00 ATOM 36 CA LEU o 42 313.008 170.019 264.778 1.00 0.00 ATOM 37 CA CYS o 43 316.125 170.457 266.986 1.00 0.00 ATOM 38 CA ASP o 44 316.424 172.639 270.083 1.00 0.00 ATOM 39 CA CYS o 45 312.831 173.647 269.391 1.00 0.00 ATOM 40 CA ASP o 46 311.262 176.323 271.529 1.00 0.00 ATOM 41 CA GLU o 47 307.527 176.897 272.134 1.00 0.00 ATOM 42 CA PHE o 48 305.997 180.336 272.837 1.00 0.00 ATOM 43 CA ARG o 49 303.363 181.897 275.103 1.00 0.00 ATOM 44 CA LYS o 50 301.905 185.415 275.347 1.00 0.00 ATOM 45 CA ILE o 51 301.886 187.569 278.548 1.00 0.00 ATOM 46 CA LYS o 52 300.957 191.165 279.526 1.00 0.00 ATOM 47 CA PRO o 53 301.914 193.888 282.096 1.00 0.00 ATOM 48 CA LYS o 54 299.800 195.551 284.828 1.00 0.00 ATOM 49 CA ASN o 55 300.090 199.292 284.040 1.00 0.00 ATOM 50 CA SER o 56 301.036 200.600 280.551 1.00 0.00 ATOM 51 CA LYS o 57 304.770 201.039 281.350 1.00 0.00 ATOM 52 CA GLN o 58 306.435 197.689 282.150 1.00 0.00 ATOM 53 CA ALA o 59 308.732 194.812 280.918 1.00 0.00 ATOM 54 CA GLU o 60 307.381 192.276 278.395 1.00 0.00 ATOM 55 CA ARG o 61 307.362 188.621 279.487 1.00 0.00 ATOM 56 CA GLU o 62 306.735 185.742 277.100 1.00 0.00 ATOM 57 CA GLU o 63 306.689 182.420 278.948 1.00 0.00 ATOM 58 CA LYS o 64 307.947 179.312 277.257 1.00 0.00 ATOM 59 CA ARG o 65 308.606 175.647 277.623 1.00 0.00 ATOM 60 CA VAL o 66 311.922 174.469 276.172 1.00 0.00 ATOM 61 CA LEU o 67 311.215 171.240 274.274 1.00 0.00 ATOM 62 CA GLY o 68 314.679 170.265 272.977 1.00 0.00 ATOM 63 CA LEU o 69 314.233 167.562 270.307 1.00 0.00 ATOM 64 CA VAL o 70 310.739 167.292 268.845 1.00 0.00 ATOM 65 CA LEU o 71 308.625 165.596 266.149 1.00 0.00 ATOM 66 CA LEU o 72 305.678 167.652 264.817 1.00 0.00 ATOM 67 CA ARG o 73 302.606 166.254 263.023 1.00 0.00 ATOM 68 CA GLY o 74 301.693 167.100 259.395 1.00 0.00 ATOM 69 CA GLU o 75 297.925 167.369 259.814 1.00 0.00 ATOM 70 CA ASN o 76 298.102 170.241 262.271 1.00 0.00 ATOM 71 CA LEU o 77 300.750 172.337 260.429 1.00 0.00 ATOM 72 CA VAL o 78 300.019 175.733 258.912 1.00 0.00 ATOM 73 CA SER o 79 303.255 177.405 257.758 1.00 0.00 ATOM 74 CA MET o 80 307.081 177.425 257.814 1.00 0.00 ATOM 75 CA THR o 81 308.987 180.736 257.656 1.00 0.00 ATOM 76 CA VAL o 82 312.723 181.445 257.883 1.00 0.00 ATOM 77 CA GLU o 83 313.154 183.143 261.270 1.00 0.00 ATOM 78 CA GLY o 84 316.949 182.680 261.399 1.00 0.00 ATOM 79 CA PRO o 85 319.889 181.821 259.106 1.00 0.00 ATOM 80 CA PRO o 86 320.979 178.218 259.336 1.00 0.00 ATOM 81 CA PRO o 87 322.257 178.175 262.956 1.00 0.00 ATOM 82 CA LYS o 88 325.991 178.016 263.502 1.00 0.00 ATOM 83 CA ASP o 89 325.645 178.520 267.318 1.00 0.00 ATOM 84 CA THR o 90 323.828 175.205 267.771 1.00 0.00 ATOM 85 CA GLY o 91 326.165 173.675 265.177 1.00 0.00 ATOM 86 CA ILE o 92 329.391 174.836 266.862 1.00 0.00 ATOM 87 CA ALA o 93 328.041 174.484 270.441 1.00 0.00 ATOM 88 CA ARG o 94 327.682 170.791 269.667 1.00 0.00 ATOM 89 CA VAL o 95 330.569 170.037 267.124 1.00 0.00 TER