HEADER splicing/DNA/RNA 02-NOV-10 3PGW TITLE Crystal structure of human U1 snRNP COMPND MOL_ID: 1; COMPND 2 MOLECULE: U1-A; COMPND 3 CHAIN: A, P; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.40 ANGSTORMS DBREF 3PGW A 1 282 UNP P09012 SNRPA_HUMAN 1 282 SEQRES 1 A 108 GLU THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU SEQRES 2 A 108 ASN GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU SEQRES 3 A 108 TYR ALA ILE PHE SER GLN PHE GLY GLN ILE LEU ASP ILE SEQRES 4 A 108 LEU VAL SER ARG SER LEU LYS MET ARG GLY GLN ALA PHE SEQRES 5 A 108 VAL ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU SEQRES 6 A 108 ARG SER MET GLN GLY PHE PRO PHE TYR ASP LYS PRO MET SEQRES 7 A 108 ARG ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA SEQRES 8 A 108 LYS MET LYS GLY THR PHE VAL GLU ARG ASP ARG LYS ARG SEQRES 9 A 108 GLU LYS ARG LYS ATOM 1 CA GLU A 5 -54.379 0.951 -91.554 1.00256.28 ATOM 2 CA THR A 6 -57.224 1.065 -94.101 1.00249.92 ATOM 3 CA ARG A 7 -59.269 -0.683 -91.385 1.00214.02 ATOM 4 CA PRO A 8 -61.774 1.050 -89.026 1.00190.91 ATOM 5 CA ASN A 9 -60.672 1.491 -85.402 1.00210.34 ATOM 6 CA HIS A 10 -61.432 3.012 -81.984 1.00166.27 ATOM 7 CA THR A 11 -58.031 4.734 -82.063 1.00202.87 ATOM 8 CA ILE A 12 -56.099 7.049 -84.383 1.00211.93 ATOM 9 CA TYR A 13 -52.336 7.083 -84.971 1.00219.35 ATOM 10 CA ILE A 14 -51.126 10.629 -85.683 1.00160.69 ATOM 11 CA ASN A 15 -47.553 10.870 -86.962 1.00200.15 ATOM 12 CA ASN A 16 -45.566 14.056 -87.662 1.00198.82 ATOM 13 CA LEU A 17 -46.453 16.594 -84.950 1.00163.54 ATOM 14 CA ASN A 18 -44.456 19.364 -83.266 1.00214.75 ATOM 15 CA GLU A 19 -42.280 16.989 -81.241 1.00205.97 ATOM 16 CA LYS A 20 -40.787 19.881 -79.264 1.00209.87 ATOM 17 CA ILE A 21 -44.186 20.191 -77.575 1.00168.71 ATOM 18 CA LYS A 22 -44.329 19.114 -73.934 1.00194.20 ATOM 19 CA LYS A 23 -46.461 16.198 -72.729 1.00218.04 ATOM 20 CA ASP A 24 -48.679 18.138 -70.318 1.00231.57 ATOM 21 CA GLU A 25 -49.606 20.749 -72.929 1.00248.39 ATOM 22 CA LEU A 26 -50.004 18.272 -75.807 1.00134.91 ATOM 23 CA LYS A 27 -52.534 16.281 -73.786 1.00167.23 ATOM 24 CA LYS A 28 -54.465 19.296 -72.512 1.00201.31 ATOM 25 CA SER A 29 -54.389 20.402 -76.150 1.00211.84 ATOM 26 CA LEU A 30 -55.668 17.228 -77.829 1.00161.88 ATOM 27 CA TYR A 31 -58.342 16.402 -75.249 1.00240.49 ATOM 28 CA ALA A 32 -59.945 19.746 -76.115 1.00204.27 ATOM 29 CA ILE A 33 -59.595 19.450 -79.901 1.00183.25 ATOM 30 CA PHE A 34 -61.030 15.952 -80.423 1.00160.81 ATOM 31 CA SER A 35 -63.464 15.701 -77.498 1.00172.43 ATOM 32 CA GLN A 36 -66.112 16.636 -80.077 1.00199.04 ATOM 33 CA PHE A 37 -66.004 14.181 -82.988 1.00201.79 ATOM 34 CA GLY A 38 -66.845 11.604 -80.346 1.00218.37 ATOM 35 CA GLN A 39 -65.836 10.318 -76.921 1.00199.50 ATOM 36 CA ILE A 40 -62.288 10.101 -75.550 1.00183.18 ATOM 37 CA LEU A 41 -61.534 7.598 -72.785 1.00183.76 ATOM 38 CA ASP A 42 -57.900 8.702 -72.401 1.00217.98 ATOM 39 CA ILE A 43 -55.239 9.838 -74.878 1.00201.34 ATOM 40 CA LEU A 44 -51.625 8.692 -74.791 1.00173.44 ATOM 41 CA VAL A 45 -48.282 9.786 -76.242 1.00188.73 ATOM 42 CA SER A 46 -44.645 9.557 -75.140 1.00199.13 ATOM 43 CA ARG A 47 -41.519 11.659 -75.624 1.00214.47 ATOM 44 CA SER A 48 -39.368 8.565 -76.128 1.00170.61 ATOM 45 CA LEU A 49 -37.181 8.192 -79.209 1.00194.02 ATOM 46 CA LYS A 50 -39.831 5.972 -80.783 1.00181.08 ATOM 47 CA MET A 51 -42.917 7.914 -79.671 1.00197.74 ATOM 48 CA ARG A 52 -42.160 11.633 -80.035 1.00220.90 ATOM 49 CA GLY A 53 -44.167 13.082 -82.908 1.00222.56 ATOM 50 CA GLN A 54 -46.674 10.227 -82.737 1.00187.51 ATOM 51 CA ALA A 55 -49.968 9.890 -80.864 1.00165.69 ATOM 52 CA PHE A 56 -52.721 7.428 -79.949 1.00159.40 ATOM 53 CA VAL A 57 -56.292 8.381 -79.015 1.00173.84 ATOM 54 CA ILE A 58 -59.103 6.039 -77.969 1.00179.39 ATOM 55 CA PHE A 59 -62.637 6.616 -79.203 1.00215.14 ATOM 56 CA LYS A 60 -65.764 5.223 -77.561 1.00197.94 ATOM 57 CA GLU A 61 -67.678 4.749 -80.805 1.00212.49 ATOM 58 CA VAL A 62 -66.065 3.743 -84.104 1.00223.32 ATOM 59 CA SER A 63 -67.893 6.269 -86.285 1.00239.30 ATOM 60 CA SER A 64 -66.749 8.944 -83.841 1.00176.08 ATOM 61 CA ALA A 65 -63.115 8.183 -84.651 1.00192.18 ATOM 62 CA THR A 66 -63.829 7.965 -88.378 1.00200.18 ATOM 63 CA ASN A 67 -65.449 11.409 -88.459 1.00248.92 ATOM 64 CA ALA A 68 -62.512 12.982 -86.620 1.00193.26 ATOM 65 CA LEU A 69 -60.122 11.676 -89.276 1.00179.03 ATOM 66 CA ARG A 70 -62.271 12.890 -92.181 1.00267.17 ATOM 67 CA SER A 71 -61.960 16.498 -91.002 1.00227.91 ATOM 68 CA MET A 72 -58.602 16.752 -89.204 1.00189.86 ATOM 69 CA GLN A 73 -56.518 14.647 -91.602 1.00208.36 ATOM 70 CA GLY A 74 -53.823 16.866 -93.086 1.00202.04 ATOM 71 CA PHE A 75 -54.535 19.744 -90.697 1.00195.28 ATOM 72 CA PRO A 76 -51.707 22.144 -89.688 1.00213.02 ATOM 73 CA PHE A 77 -51.072 21.649 -85.968 1.00200.09 ATOM 74 CA TYR A 78 -48.254 23.659 -84.381 1.00200.56 ATOM 75 CA ASP A 79 -46.502 24.277 -87.711 1.00184.66 ATOM 76 CA LYS A 80 -47.081 20.713 -88.944 1.00201.13 ATOM 77 CA PRO A 81 -50.060 19.014 -90.693 1.00201.04 ATOM 78 CA MET A 82 -51.211 15.941 -88.758 1.00202.62 ATOM 79 CA ARG A 83 -51.062 12.683 -90.712 1.00227.73 ATOM 80 CA ILE A 84 -53.873 10.860 -88.910 1.00175.35 ATOM 81 CA GLN A 85 -54.609 7.187 -89.568 1.00196.54 ATOM 82 CA TYR A 86 -56.351 4.195 -87.992 1.00248.89 ATOM 83 CA ALA A 87 -54.665 2.110 -85.287 1.00190.73 ATOM 84 CA LYS A 88 -53.159 -1.119 -86.640 1.00195.04 ATOM 85 CA THR A 89 -54.200 -2.745 -83.366 1.00199.70 ATOM 86 CA ASP A 90 -57.132 -2.265 -80.998 1.00224.02 ATOM 87 CA SER A 91 -56.103 -0.486 -77.792 1.00197.79 ATOM 88 CA ASP A 92 -55.470 -2.546 -74.653 1.00216.97 ATOM 89 CA ILE A 93 -58.311 -0.712 -72.920 1.00165.85 ATOM 90 CA ILE A 94 -60.486 -1.648 -75.892 1.00184.54 ATOM 91 CA ALA A 95 -59.360 -5.265 -75.646 1.00204.99 ATOM 92 CA LYS A 96 -60.462 -5.516 -72.018 1.00199.96 ATOM 93 CA MET A 97 -63.937 -4.177 -72.828 1.00197.55 ATOM 94 CA LYS A 98 -64.747 -5.547 -76.283 1.00182.35 ATOM 95 CA GLY A 99 -63.508 -8.977 -77.282 1.00259.16 ATOM 96 CA THR A 100 -63.422 -10.331 -73.732 1.00322.69 ATOM 97 CA PHE A 101 -59.899 -11.693 -73.318 1.00299.05 ATOM 98 CA VAL A 102 -58.298 -10.086 -76.359 1.00220.10 ATOM 99 CA GLU A 103 -56.495 -8.286 -73.531 1.00229.98 ATOM 100 CA ARG A 104 -54.860 -11.296 -71.861 1.00310.78 ATOM 101 CA ASP A 105 -53.455 -12.543 -75.163 1.00343.53 ATOM 102 CA ARG A 106 -51.927 -9.085 -75.505 1.00309.01 ATOM 103 CA LYS A 107 -50.653 -9.400 -71.925 1.00230.40 ATOM 104 CA ARG A 108 -48.614 -12.579 -72.392 1.00305.50 ATOM 105 CA GLU A 109 -47.528 -11.169 -75.749 1.00309.26 ATOM 106 CA LYS A 110 -46.070 -8.095 -74.046 1.00312.86 ATOM 107 CA ARG A 111 -44.118 -10.188 -71.525 1.00278.86 ATOM 108 CA LYS A 112 -42.884 -12.604 -74.198 1.00237.36 TER