HEADER SPLICING 21-APR-08 3CW1 TITLE Crystal Structure of Human Spliceosomal U1 snRNP COMPND MOL_ID: 10; COMPND 2 MOLECULE: U1 small nuclear ribonucleoprotein C; COMPND 3 CHAIN: L, 9, 0, l; COMPND 4 FRAGMENT: residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 5.49 ANGSTORMS DBREF 3CW1 L 1 77 UNP P09234 RU1C_HUMAN 1 77 SEQRES 1 L 57 PHE TYR CYS ASP TYR CYS ASP THR TYR LEU THR HIS ASP SEQRES 2 L 57 SER PRO SER VAL ARG LYS THR HIS CYS SER GLY ARG LYS SEQRES 3 L 57 HIS LYS GLU ASN VAL LYS ASP TYR TYR CYS LYS TRP MET SEQRES 4 L 57 GLU GLU GLN ALA GLN SER LEU ILE ASP LYS THR THR ALA SEQRES 5 L 57 ALA PHE GLN GLN GLY ATOM 1 CA PHE L 4 122.308 52.551 78.027 1.00231.61 ATOM 2 CA TYR L 5 122.912 50.145 80.955 1.00231.61 ATOM 3 CA CYS L 6 125.931 49.741 83.219 1.00231.61 ATOM 4 CA ASP L 7 125.991 46.281 84.919 1.00231.61 ATOM 5 CA TYR L 8 128.976 47.486 86.982 1.00231.61 ATOM 6 CA CYS L 9 126.832 50.239 88.457 1.00231.61 ATOM 7 CA ASP L 10 123.540 48.331 88.664 1.00231.61 ATOM 8 CA THR L 11 121.714 51.312 87.169 1.00231.61 ATOM 9 CA TYR L 12 120.064 52.440 83.932 1.00231.61 ATOM 10 CA LEU L 13 121.015 55.421 81.685 1.00231.61 ATOM 11 CA THR L 14 118.630 57.503 79.590 1.00231.61 ATOM 12 CA HIS L 15 120.779 58.473 76.562 1.00231.61 ATOM 13 CA ASP L 16 123.005 56.015 74.656 1.00231.61 ATOM 14 CA SER L 17 125.663 57.862 72.672 1.00231.61 ATOM 15 CA PRO L 18 129.458 58.188 72.240 1.00231.61 ATOM 16 CA SER L 19 129.565 61.194 74.626 1.00231.61 ATOM 17 CA VAL L 20 126.970 60.094 77.185 1.00231.61 ATOM 18 CA ARG L 21 128.537 56.592 77.649 1.00231.61 ATOM 19 CA LYS L 22 132.016 58.150 77.953 1.00231.61 ATOM 20 CA THR L 23 130.593 60.811 80.275 1.00231.61 ATOM 21 CA HIS L 24 129.403 58.033 82.508 1.00231.61 ATOM 22 CA CYS L 25 132.878 56.482 82.336 1.00231.61 ATOM 23 CA SER L 26 134.962 59.686 83.109 1.00231.61 ATOM 24 CA GLY L 27 136.325 58.994 86.598 1.00231.61 ATOM 25 CA ARG L 28 139.231 56.814 87.784 1.00231.61 ATOM 26 CA LYS L 29 136.901 55.704 90.594 1.00231.61 ATOM 27 CA HIS L 30 135.141 53.408 88.081 1.00231.61 ATOM 28 CA LYS L 31 137.431 50.343 88.088 1.00231.61 ATOM 29 CA GLU L 32 137.619 48.967 91.682 1.00231.61 ATOM 30 CA ASN L 33 133.984 47.885 91.755 1.00231.61 ATOM 31 CA VAL L 34 134.693 45.986 88.522 1.00231.61 ATOM 32 CA LYS L 35 137.988 44.772 90.016 1.00231.61 ATOM 33 CA ASP L 36 136.256 43.339 93.092 1.00231.61 ATOM 34 CA TYR L 37 133.985 41.267 90.870 1.00231.61 ATOM 35 CA TYR L 38 137.020 40.155 88.869 1.00231.61 ATOM 36 CA CYS L 39 138.832 39.212 92.075 1.00231.61 ATOM 37 CA LYS L 40 135.822 37.199 93.224 1.00231.61 ATOM 38 CA TRP L 41 135.711 35.389 89.886 1.00231.61 ATOM 39 CA MET L 42 139.413 34.579 90.159 1.00231.61 ATOM 40 CA GLU L 43 138.800 33.279 93.686 1.00231.61 ATOM 41 CA GLU L 44 135.748 31.329 92.567 1.00231.61 ATOM 42 CA GLN L 45 137.799 29.598 89.899 1.00231.61 ATOM 43 CA ALA L 46 140.397 28.663 92.507 1.00231.61 ATOM 44 CA GLN L 47 137.670 27.367 94.815 1.00231.61 ATOM 45 CA SER L 48 136.218 25.285 91.985 1.00231.61 ATOM 46 CA LEU L 49 139.654 23.835 91.243 1.00231.61 ATOM 47 CA ILE L 50 140.174 22.884 94.911 1.00231.61 ATOM 48 CA ASP L 51 136.724 21.296 95.012 1.00231.61 ATOM 49 CA LYS L 52 137.470 19.390 91.809 1.00231.61 ATOM 50 CA THR L 53 140.749 18.145 93.271 1.00231.61 ATOM 51 CA THR L 54 138.954 16.990 96.413 1.00231.61 ATOM 52 CA ALA L 55 136.385 15.142 94.308 1.00231.61 ATOM 53 CA ALA L 56 139.162 13.446 92.345 1.00231.61 ATOM 54 CA PHE L 57 140.856 12.391 95.580 1.00231.61 ATOM 55 CA GLN L 58 137.578 10.958 96.869 1.00231.61 ATOM 56 CA GLN L 59 137.112 9.018 93.634 1.00231.61 ATOM 57 CA GLY L 60 140.639 7.629 93.917 1.00231.61 TER