HEADER SPLICING 31-DEC-69 3CW1 TITLE Crystal Structure of Human Spliceosomal U1 snRNP COMPND MOL_ID: 2; COMPND 2 MOLECULE: Small nuclear ribonucleoprotein Sm D3; COMPND 3 CHAIN: D, S, T, U; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 5.49 ANGSTORMS DBREF 3CW1 S 201 326 UNP P62318 SMD3_HUMAN 1 126 SEQRES 1 S 76 PRO ILE LYS VAL LEU HIS GLU ALA GLU GLY HIS ILE VAL SEQRES 2 S 76 THR CYS GLU THR ASN THR GLY GLU VAL TYR ARG GLY LYS SEQRES 3 S 76 LEU ILE GLU ALA GLU ASP ASN MET ASN CYS GLN MET SER SEQRES 4 S 76 ASN ILE THR VAL THR TYR ARG ASP GLY ARG VAL ALA GLN SEQRES 5 S 76 LEU GLU GLN VAL TYR ILE ARG GLY CYS LYS ILE ARG PHE SEQRES 6 S 76 LEU ILE LEU PRO ASP MET LEU LYS ASN ALA PRO ATOM 1 CA PRO S 6 54.120 -14.347 74.086 1.00231.61 ATOM 2 CA ILE S 7 54.771 -18.119 74.375 1.00231.61 ATOM 3 CA LYS S 8 53.232 -17.911 77.811 1.00231.61 ATOM 4 CA VAL S 9 50.749 -15.196 76.785 1.00231.61 ATOM 5 CA LEU S 10 48.326 -17.386 74.782 1.00231.61 ATOM 6 CA HIS S 11 47.579 -19.905 77.535 1.00231.61 ATOM 7 CA GLU S 12 46.642 -16.715 79.317 1.00231.61 ATOM 8 CA ALA S 13 43.767 -15.974 76.945 1.00231.61 ATOM 9 CA GLU S 14 43.088 -19.558 77.741 1.00231.61 ATOM 10 CA GLY S 15 39.776 -20.111 79.364 1.00231.61 ATOM 11 CA HIS S 16 38.523 -16.624 78.597 1.00231.61 ATOM 12 CA ILE S 17 37.039 -15.275 75.217 1.00231.61 ATOM 13 CA VAL S 18 39.290 -14.101 72.086 1.00231.61 ATOM 14 CA THR S 19 39.462 -13.008 68.366 1.00231.61 ATOM 15 CA CYS S 20 41.356 -14.822 65.571 1.00231.61 ATOM 16 CA GLU S 21 42.223 -13.559 62.117 1.00231.61 ATOM 17 CA THR S 22 43.630 -16.303 59.869 1.00231.61 ATOM 18 CA ASN S 23 46.341 -15.654 57.290 1.00231.61 ATOM 19 CA THR S 24 43.523 -15.023 54.812 1.00231.61 ATOM 20 CA GLY S 25 41.270 -12.651 56.766 1.00231.61 ATOM 21 CA GLU S 26 38.915 -15.257 58.142 1.00231.61 ATOM 22 CA VAL S 27 37.636 -13.713 61.332 1.00231.61 ATOM 23 CA TYR S 28 37.024 -16.103 64.230 1.00231.61 ATOM 24 CA ARG S 29 35.608 -14.767 67.517 1.00231.61 ATOM 25 CA GLY S 30 34.837 -17.220 70.322 1.00231.61 ATOM 26 CA LYS S 31 35.836 -18.715 73.663 1.00231.61 ATOM 27 CA LEU S 32 39.223 -20.353 73.787 1.00231.61 ATOM 28 CA ILE S 33 38.770 -23.953 75.043 1.00231.61 ATOM 29 CA GLU S 34 42.460 -24.842 74.765 1.00231.61 ATOM 30 CA ALA S 35 45.625 -23.469 73.394 1.00231.61 ATOM 31 CA GLU S 36 48.232 -25.915 72.187 1.00231.61 ATOM 32 CA ASP S 37 51.940 -25.386 72.400 1.00231.61 ATOM 33 CA ASN S 38 52.305 -24.952 68.622 1.00231.61 ATOM 34 CA MET S 39 49.632 -22.267 69.053 1.00231.61 ATOM 35 CA ASN S 40 46.828 -24.498 67.735 1.00231.61 ATOM 36 CA CYS S 41 43.517 -23.657 69.377 1.00231.61 ATOM 37 CA GLN S 42 40.157 -25.280 69.936 1.00231.61 ATOM 38 CA MET S 43 37.353 -22.677 70.028 1.00231.61 ATOM 39 CA SER S 44 33.636 -22.945 70.639 1.00231.61 ATOM 40 CA ASN S 45 30.579 -20.675 70.151 1.00231.61 ATOM 41 CA ILE S 46 32.257 -18.676 67.394 1.00231.61 ATOM 42 CA THR S 47 31.298 -16.191 64.692 1.00231.61 ATOM 43 CA VAL S 48 33.294 -16.710 61.511 1.00231.61 ATOM 44 CA THR S 49 33.007 -15.189 58.077 1.00231.61 ATOM 45 CA TYR S 50 34.910 -14.644 54.943 1.00231.61 ATOM 46 CA ARG S 51 34.641 -11.216 53.330 1.00231.61 ATOM 47 CA ASP S 52 31.298 -10.748 51.576 1.00231.61 ATOM 48 CA GLY S 53 30.147 -14.325 52.124 1.00231.61 ATOM 49 CA ARG S 54 27.714 -15.290 54.949 1.00231.61 ATOM 50 CA VAL S 55 28.824 -15.239 58.575 1.00231.61 ATOM 51 CA ALA S 56 29.268 -18.807 59.632 1.00231.61 ATOM 52 CA GLN S 57 27.985 -19.285 63.163 1.00231.61 ATOM 53 CA LEU S 58 29.923 -22.419 64.109 1.00231.61 ATOM 54 CA GLU S 59 29.709 -24.565 67.176 1.00231.61 ATOM 55 CA GLN S 60 33.328 -25.760 67.413 1.00231.61 ATOM 56 CA VAL S 61 36.476 -25.046 65.363 1.00231.61 ATOM 57 CA TYR S 62 40.188 -25.991 65.218 1.00231.61 ATOM 58 CA ILE S 63 42.518 -23.270 64.031 1.00231.61 ATOM 59 CA ARG S 64 46.053 -24.414 63.407 1.00231.61 ATOM 60 CA GLY S 65 48.591 -22.099 64.922 1.00231.61 ATOM 61 CA CYS S 66 50.618 -22.014 61.738 1.00231.61 ATOM 62 CA LYS S 67 47.552 -20.332 60.347 1.00231.61 ATOM 63 CA ILE S 68 47.149 -17.668 62.956 1.00231.61 ATOM 64 CA ARG S 69 47.883 -14.187 61.653 1.00231.61 ATOM 65 CA PHE S 70 46.861 -12.534 64.883 1.00231.61 ATOM 66 CA LEU S 71 44.914 -13.113 68.118 1.00231.61 ATOM 67 CA ILE S 72 42.843 -10.479 69.873 1.00231.61 ATOM 68 CA LEU S 73 42.903 -11.062 73.529 1.00231.61 ATOM 69 CA PRO S 74 40.882 -9.665 76.479 1.00231.61 ATOM 70 CA ASP S 75 43.248 -7.386 78.077 1.00231.61 ATOM 71 CA MET S 76 45.052 -5.498 80.817 1.00231.61 ATOM 72 CA LEU S 77 47.295 -8.055 82.664 1.00231.61 ATOM 73 CA LYS S 78 50.670 -6.703 83.587 1.00231.61 ATOM 74 CA ASN S 79 51.902 -9.094 86.309 1.00231.61 ATOM 75 CA ALA S 80 52.936 -11.659 83.777 1.00231.61 ATOM 76 CA PRO S 81 55.430 -9.643 81.785 1.00231.61 TER