HEADER splicing/DNA/RNA 02-NOV-10 3PGW TITLE Crystal structure of human U1 snRNP COMPND MOL_ID: 4; COMPND 2 MOLECULE: Sm B; COMPND 3 CHAIN: B, Q; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.40 ANGSTORMS DBREF 3PGW B 1 231 UNP Q66K91 Q66K91_HUMA 1 231 SEQRES 1 B 81 SER SER LYS MET LEU GLN HIS ILE ASP TYR ARG MET ARG SEQRES 2 B 81 CYS ILE LEU GLN ASP GLY ARG ILE PHE ILE GLY THR PHE SEQRES 3 B 81 LYS ALA PHE ASP LYS HIS MET ASN LEU ILE LEU CYS ASP SEQRES 4 B 81 CYS ASP GLU PHE ARG LYS ILE LYS PRO LYS ASN SER LYS SEQRES 5 B 81 GLN ALA GLU ARG GLU GLU LYS ARG VAL LEU GLY LEU VAL SEQRES 6 B 81 LEU LEU ARG GLY GLU ASN LEU VAL SER MET THR VAL GLU SEQRES 7 B 81 GLY PRO PRO ATOM 1 CA SER B 6 -25.009 35.214 -36.561 1.00272.88 ATOM 2 CA SER B 7 -26.600 32.739 -38.986 1.00279.71 ATOM 3 CA LYS B 8 -30.054 33.696 -37.695 1.00288.72 ATOM 4 CA MET B 9 -28.844 37.271 -37.959 1.00300.67 ATOM 5 CA LEU B 10 -28.144 36.472 -41.611 1.00258.00 ATOM 6 CA GLN B 11 -31.602 35.256 -42.673 1.00249.69 ATOM 7 CA HIS B 12 -33.374 38.228 -41.077 1.00350.29 ATOM 8 CA ILE B 13 -31.937 40.535 -43.745 1.00304.72 ATOM 9 CA ASP B 14 -34.306 41.163 -46.660 1.00297.18 ATOM 10 CA TYR B 15 -37.041 39.172 -44.917 1.00260.01 ATOM 11 CA ARG B 16 -40.487 40.055 -43.561 1.00237.15 ATOM 12 CA MET B 17 -40.653 39.155 -39.863 1.00253.88 ATOM 13 CA ARG B 18 -42.865 38.955 -36.769 1.00202.58 ATOM 14 CA CYS B 19 -41.328 40.568 -33.682 1.00209.23 ATOM 15 CA ILE B 20 -43.455 40.004 -30.575 1.00191.21 ATOM 16 CA LEU B 21 -42.613 42.663 -27.983 1.00198.21 ATOM 17 CA GLN B 22 -42.534 42.356 -24.190 1.00212.21 ATOM 18 CA ASP B 23 -45.631 44.556 -23.972 1.00218.18 ATOM 19 CA GLY B 24 -47.929 42.399 -26.091 1.00201.75 ATOM 20 CA ARG B 25 -47.701 44.197 -29.430 1.00164.79 ATOM 21 CA ILE B 26 -46.790 42.217 -32.548 1.00170.53 ATOM 22 CA PHE B 27 -44.414 43.760 -35.101 1.00212.72 ATOM 23 CA ILE B 28 -44.494 42.837 -38.790 1.00199.77 ATOM 24 CA GLY B 29 -42.613 44.774 -41.469 1.00226.57 ATOM 25 CA THR B 30 -39.760 45.000 -43.971 1.00263.70 ATOM 26 CA PHE B 31 -36.455 44.285 -42.233 1.00269.46 ATOM 27 CA LYS B 32 -33.305 46.225 -43.138 1.00271.20 ATOM 28 CA ALA B 33 -30.619 46.151 -40.435 1.00272.94 ATOM 29 CA PHE B 34 -29.954 45.428 -36.749 1.00205.83 ATOM 30 CA ASP B 35 -27.139 45.933 -34.223 1.00231.67 ATOM 31 CA LYS B 36 -25.376 43.968 -31.478 1.00213.23 ATOM 32 CA HIS B 37 -28.033 45.459 -29.199 1.00205.53 ATOM 33 CA MET B 38 -30.750 43.690 -31.214 1.00196.24 ATOM 34 CA ASN B 39 -32.483 46.961 -32.040 1.00204.85 ATOM 35 CA LEU B 40 -34.342 46.544 -35.326 1.00210.91 ATOM 36 CA ILE B 41 -34.983 48.714 -38.374 1.00214.48 ATOM 37 CA LEU B 42 -38.260 47.939 -40.139 1.00224.54 ATOM 38 CA CYS B 43 -40.005 49.794 -42.965 1.00275.85 ATOM 39 CA ASP B 44 -43.715 49.728 -43.820 1.00268.18 ATOM 40 CA CYS B 45 -44.170 47.699 -40.630 1.00283.75 ATOM 41 CA ASP B 46 -47.574 47.489 -38.965 1.00270.87 ATOM 42 CA GLU B 47 -48.450 47.163 -35.272 1.00212.89 ATOM 43 CA PHE B 48 -51.124 44.571 -34.542 1.00211.87 ATOM 44 CA ARG B 49 -54.446 44.562 -32.714 1.00250.96 ATOM 45 CA LYS B 50 -56.693 42.222 -34.705 1.00318.12 ATOM 46 CA ILE B 51 -60.477 42.122 -34.415 1.00341.71 ATOM 47 CA LYS B 52 -60.318 40.296 -31.077 1.00298.22 ATOM 48 CA PRO B 53 -63.507 38.597 -29.660 1.00320.87 ATOM 49 CA LYS B 54 -66.950 40.136 -30.102 1.00288.23 ATOM 50 CA ASN B 55 -67.501 43.835 -29.377 1.00343.19 ATOM 51 CA SER B 56 -66.250 47.226 -28.228 1.00288.89 ATOM 52 CA LYS B 57 -68.574 49.548 -26.309 1.00265.15 ATOM 53 CA GLN B 58 -68.359 53.070 -24.818 1.00292.06 ATOM 54 CA ALA B 59 -66.901 54.554 -28.013 1.00303.62 ATOM 55 CA GLU B 60 -63.150 53.994 -27.582 1.00307.01 ATOM 56 CA ARG B 61 -60.922 53.920 -30.677 1.00321.98 ATOM 57 CA GLU B 62 -57.585 52.192 -31.306 1.00338.44 ATOM 58 CA GLU B 63 -54.542 53.530 -33.171 1.00331.95 ATOM 59 CA LYS B 64 -54.051 52.460 -36.797 1.00275.24 ATOM 60 CA ARG B 65 -51.865 49.445 -37.572 1.00255.09 ATOM 61 CA VAL B 66 -49.773 50.978 -40.375 1.00215.49 ATOM 62 CA LEU B 67 -46.495 52.530 -39.143 1.00227.91 ATOM 63 CA GLY B 68 -43.790 52.610 -41.810 1.00232.66 ATOM 64 CA LEU B 69 -40.162 52.844 -40.698 1.00216.99 ATOM 65 CA VAL B 70 -39.792 51.788 -37.068 1.00255.45 ATOM 66 CA LEU B 71 -36.583 51.798 -35.043 1.00201.57 ATOM 67 CA LEU B 72 -37.338 49.127 -32.456 1.00211.27 ATOM 68 CA ARG B 73 -35.125 49.290 -29.376 1.00215.23 ATOM 69 CA GLY B 74 -33.911 45.875 -28.246 1.00182.81 ATOM 70 CA GLU B 75 -34.824 46.337 -24.580 1.00219.84 ATOM 71 CA ASN B 76 -38.448 46.254 -25.810 1.00226.48 ATOM 72 CA LEU B 77 -38.193 43.151 -28.044 1.00164.46 ATOM 73 CA VAL B 78 -38.554 39.434 -27.255 1.00159.51 ATOM 74 CA SER B 79 -39.168 37.490 -30.506 1.00179.49 ATOM 75 CA MET B 80 -38.646 37.189 -34.281 1.00212.66 ATOM 76 CA THR B 81 -40.194 34.770 -36.801 1.00225.65 ATOM 77 CA VAL B 82 -40.422 34.575 -40.603 1.00267.15 ATOM 78 CA GLU B 83 -43.499 35.870 -42.436 1.00249.85 ATOM 79 CA GLY B 84 -42.205 35.439 -45.980 1.00261.74 ATOM 80 CA PRO B 85 -39.853 36.650 -48.797 1.00257.60 ATOM 81 CA PRO B 86 -39.265 40.270 -49.918 1.00276.03 TER