HEADER RIBONUCLEOPROTEIN 12-MAR-92 1NRC 1NRC 2 COMPND PROTEIN FROM U1 SMALL NUCLEAR RIBONUCLEOPROTEIN (SNRNP U1) 1NRC 3 COMPND 2 (N-TERMINAL FRAGMENT, RESIDUES 1 - 95) MUTANT WITH GLN 85 1NRC 4 COMPND 3 REPLACED BY CYS (Q85C) 1NRC 5 SOURCE HUMAN (HOMO SAPIENS) GENE EXPRESSED IN (ESCHERICHIA COLI) 1NRC 6 AUTHOR K.NAGAI,P.R.EVANS 1NRC 7 REVDAT 1 31-JAN-94 1NRC 0 1NRC 8 JRNL AUTH K.NAGAI,C.OUBRIDGE,T.H.JESSEN,J.LI,P.R.EVANS 1NRC 9 JRNL TITL CRYSTAL STRUCTURE OF THE RNA-BINDING DOMAIN OF 1NRC 10 JRNL TITL 2 THE U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A 1NRC 11 JRNL REF NATURE V. 348 515 1990 1NRC 12 JRNL REFN ASTM NATUAS UK ISSN 0028-0836 006 1NRC 13 REMARK 1 1NRC 14 REMARK 2 1NRC 15 REMARK 2 RESOLUTION. 2.8 ANGSTROMS. 1NRC 16 REMARK 3 1NRC 17 REMARK 3 REFINEMENT. 1NRC 18 REMARK 3 PROGRAM 1 X-PLOR 1NRC 19 REMARK 3 AUTHORS 1 BRUNGER 1NRC 20 REMARK 3 PROGRAM 2 PROLSQ 1NRC 21 REMARK 3 AUTHORS 2 KONNERT,HENDRICKSON 1NRC 22 REMARK 3 R VALUE 0.22 1NRC 23 REMARK 4 1NRC 24 REMARK 4 THE ASYMMETRIC UNIT CONTAINS 2 MOLECULES (DENOTED A AND B) 1NRC 25 REMARK 4 RELATED BY A NON-CRYSTALLOGRAPHIC DYAD AXIS. THE 1NRC 26 REMARK 4 TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL 1NRC 27 REMARK 4 YIELD APPROXIMATE COORDINATES FOR CHAIN *A* WHEN APPLIED TO 1NRC 28 REMARK 4 CHAIN *B*. 1NRC 29 REMARK 5 1NRC 30 REMARK 5 RESIDUES 1-5 AND 91-95 IN CHAIN A, AND 1-5, 50-52, AND 1NRC 31 REMARK 5 89-95 IN CHAIN B, ARE NOT VISIBLE IN CURRENT MAPS. 1NRC 32 REMARK 5 THEREFORE THEY ARE OMITTED FROM THE COORDINATES. THE FULL 1NRC 33 REMARK 5 COORDINATES WILL BE DEPOSITED WHEN THE REFINEMENT IS 1NRC 34 REMARK 5 COMPLETE. 1NRC 35 SEQRES 1 A 95 MET ALA VAL PRO GLU THR ARG PRO ASN HIS THR ILE TYR 1NRC 36 SEQRES 2 A 95 ILE ASN ASN LEU ASN GLU LYS ILE LYS LYS ASP GLU LEU 1NRC 37 SEQRES 3 A 95 LYS LYS SER LEU TYR ALA ILE PHE SER GLN PHE GLY GLN 1NRC 38 SEQRES 4 A 95 ILE LEU ASP ILE LEU VAL SER ARG SER LEU LYS MET ARG 1NRC 39 SEQRES 5 A 95 GLY GLN ALA PHE VAL ILE PHE LYS GLU VAL SER SER ALA 1NRC 40 SEQRES 6 A 95 THR ASN ALA LEU ARG SER MET GLN GLY PHE PRO PHE TYR 1NRC 41 SEQRES 7 A 95 ASP LYS PRO MET ARG ILE CYS TYR ALA LYS THR ASP SER 1NRC 42 SEQRES 8 A 95 ASP ILE ILE ALA 1NRC 43 SEQRES 1 B 95 MET ALA VAL PRO GLU THR ARG PRO ASN HIS THR ILE TYR 1NRC 44 SEQRES 2 B 95 ILE ASN ASN LEU ASN GLU LYS ILE LYS LYS ASP GLU LEU 1NRC 45 SEQRES 3 B 95 LYS LYS SER LEU TYR ALA ILE PHE SER GLN PHE GLY GLN 1NRC 46 SEQRES 4 B 95 ILE LEU ASP ILE LEU VAL SER ARG SER LEU LYS MET ARG 1NRC 47 SEQRES 5 B 95 GLY GLN ALA PHE VAL ILE PHE LYS GLU VAL SER SER ALA 1NRC 48 SEQRES 6 B 95 THR ASN ALA LEU ARG SER MET GLN GLY PHE PRO PHE TYR 1NRC 49 SEQRES 7 B 95 ASP LYS PRO MET ARG ILE CYS TYR ALA LYS THR ASP SER 1NRC 50 SEQRES 8 B 95 ASP ILE ILE ALA 1NRC 51 HELIX 1 AA LYS A 22 SER A 35 1 1NRC 52 HELIX 2 BA GLU A 61 MET A 72 1 1NRC 53 HELIX 3 AB LYS B 22 SER B 35 1 1NRC 54 HELIX 4 BB GLU B 61 MET B 72 1 1NRC 55 SHEET 1 S1 4 ASP A 42 VAL A 45 0 1NRC 56 SHEET 2 S1 4 GLY A 53 PHE A 59 -1 O ILE A 58 N ASP A 42 1NRC 57 SHEET 3 S1 4 HIS A 10 ASN A 16 -1 O HIS A 10 N ILE A 58 1NRC 58 SHEET 4 S1 4 ARG A 83 CYS A 85 -1 O CYS A 85 N TYR A 13 1NRC 59 SHEET 1 S2 4 ASP B 42 VAL B 45 0 1NRC 60 SHEET 2 S2 4 GLY B 53 PHE B 59 -1 O ILE B 58 N ASP B 42 1NRC 61 SHEET 3 S2 4 HIS B 10 ASN B 16 -1 O HIS B 10 N ILE B 58 1NRC 62 SHEET 4 S2 4 ARG B 83 CYS B 85 -1 O CYS B 85 N TYR B 13 1NRC 63 CRYST1 148.100 148.100 148.100 90.00 90.00 90.00 I 41 3 2 96 1NRC 64 ORIGX1 1.000000 0.000000 0.000000 0.00000 1NRC 65 ORIGX2 0.000000 1.000000 0.000000 0.00000 1NRC 66 ORIGX3 0.000000 0.000000 1.000000 0.00000 1NRC 67 SCALE1 0.006752 0.000000 0.000000 0.00000 1NRC 68 SCALE2 0.000000 0.006752 0.000000 0.00000 1NRC 69 SCALE3 0.000000 0.000000 0.006752 0.00000 1NRC 70 MTRIX1 1 -0.126300 0.131100 -0.983300 69.04000 1 1NRC 71 MTRIX2 1 0.134800 -0.979800 -0.147900 69.53000 1 1NRC 72 MTRIX3 1 -0.982800 -0.151200 0.106100 70.72000 1 1NRC 73 ATOM 1 CA THR A 6 43.373 58.005 35.040 1.00 76.54 1NRC 74 ATOM 2 CA ARG A 7 40.655 59.643 32.999 1.00 60.28 1NRC 75 ATOM 3 CA PRO A 8 39.089 57.618 30.269 1.00 21.40 1NRC 76 ATOM 4 CA ASN A 9 41.182 58.070 27.132 1.00 24.14 1NRC 77 ATOM 5 CA HIS A 10 40.880 55.920 24.043 1.00 20.26 1NRC 78 ATOM 6 CA THR A 11 44.530 55.099 24.297 1.00 16.33 1NRC 79 ATOM 7 CA ILE A 12 45.565 52.343 26.583 1.00 13.60 1NRC 80 ATOM 8 CA TYR A 13 49.161 51.798 27.553 1.00 10.75 1NRC 81 ATOM 9 CA ILE A 14 50.646 48.433 28.529 1.00 2.00 1NRC 82 ATOM 10 CA ASN A 15 53.761 47.564 30.629 1.00 24.02 1NRC 83 ATOM 11 CA ASN A 16 54.937 44.132 31.751 1.00 15.97 1NRC 84 ATOM 12 CA LEU A 17 55.299 43.035 28.107 1.00 21.27 1NRC 85 ATOM 13 CA ASN A 18 57.752 40.200 27.424 1.00 24.84 1NRC 86 ATOM 14 CA GLU A 19 60.977 41.843 26.215 1.00 31.93 1NRC 87 ATOM 15 CA LYS A 20 62.257 38.639 24.525 1.00 26.94 1NRC 88 ATOM 16 CA ILE A 21 59.523 39.052 21.832 1.00 25.62 1NRC 89 ATOM 17 CA LYS A 22 60.391 40.895 18.654 1.00 29.91 1NRC 90 ATOM 18 CA LYS A 23 58.608 44.148 18.205 1.00 24.79 1NRC 91 ATOM 19 CA ASP A 24 56.903 43.082 14.994 1.00 36.61 1NRC 92 ATOM 20 CA GLU A 25 55.361 39.963 16.414 1.00 8.73 1NRC 93 ATOM 21 CA LEU A 26 54.326 41.819 19.543 1.00 3.96 1NRC 94 ATOM 22 CA LYS A 27 52.587 44.432 17.416 1.00 3.54 1NRC 95 ATOM 23 CA LYS A 28 50.548 41.796 15.563 1.00 8.84 1NRC 96 ATOM 24 CA SER A 29 49.809 39.690 18.662 1.00 8.33 1NRC 97 ATOM 25 CA LEU A 30 48.564 42.789 20.464 1.00 2.00 1NRC 98 ATOM 26 CA TYR A 31 46.203 43.010 17.544 1.00 3.33 1NRC 99 ATOM 27 CA ALA A 32 44.996 39.418 17.855 1.00 3.66 1NRC 100 ATOM 28 CA ILE A 33 43.837 40.041 21.438 1.00 2.00 1NRC 101 ATOM 29 CA PHE A 34 42.685 43.727 21.461 1.00 3.31 1NRC 102 ATOM 30 CA SER A 35 40.908 43.646 18.145 1.00 4.83 1NRC 103 ATOM 31 CA GLN A 36 37.700 42.216 19.690 1.00 8.60 1NRC 104 ATOM 32 CA PHE A 37 37.110 45.466 21.621 1.00 2.00 1NRC 105 ATOM 33 CA GLY A 38 36.666 47.785 18.641 1.00 32.25 1NRC 106 ATOM 34 CA GLN A 39 38.595 49.664 15.950 1.00 30.22 1NRC 107 ATOM 35 CA ILE A 40 42.290 50.021 16.575 1.00 12.93 1NRC 108 ATOM 36 CA LEU A 41 43.909 53.100 15.035 1.00 21.78 1NRC 109 ATOM 37 CA ASP A 42 47.489 52.008 15.724 1.00 11.58 1NRC 110 ATOM 38 CA ILE A 43 49.579 49.968 18.152 1.00 10.41 1NRC 111 ATOM 39 CA LEU A 44 52.842 51.737 19.175 1.00 26.09 1NRC 112 ATOM 40 CA VAL A 45 55.876 49.742 20.264 1.00 31.23 1NRC 113 ATOM 41 CA SER A 46 59.348 51.129 20.267 1.00 34.42 1NRC 114 ATOM 42 CA ARG A 47 62.794 49.738 20.284 1.00 47.70 1NRC 115 ATOM 43 CA SER A 48 64.077 52.642 22.452 1.00 46.48 1NRC 116 ATOM 44 CA LEU A 49 66.067 51.297 25.386 1.00 67.24 1NRC 117 ATOM 45 CA LYS A 50 63.567 52.979 27.639 1.00 68.01 1NRC 118 ATOM 46 CA MET A 51 60.392 51.624 25.987 1.00 52.12 1NRC 119 ATOM 47 CA ARG A 52 60.891 47.831 26.206 1.00 50.52 1NRC 120 ATOM 48 CA GLY A 53 58.046 45.594 27.477 1.00 41.43 1NRC 121 ATOM 49 CA GLN A 54 55.822 48.632 26.712 1.00 29.35 1NRC 122 ATOM 50 CA ALA A 55 53.091 49.451 24.224 1.00 2.45 1NRC 123 ATOM 51 CA PHE A 56 50.210 51.689 23.515 1.00 2.00 1NRC 124 ATOM 52 CA VAL A 57 46.997 50.634 21.869 1.00 11.76 1NRC 125 ATOM 53 CA ILE A 58 44.961 53.337 20.314 1.00 4.56 1NRC 126 ATOM 54 CA PHE A 59 41.346 52.764 19.726 1.00 8.66 1NRC 127 ATOM 55 CA LYS A 60 39.141 54.874 17.558 1.00 12.47 1NRC 128 ATOM 56 CA GLU A 61 36.623 55.043 20.490 1.00 21.42 1NRC 129 ATOM 57 CA VAL A 62 37.129 55.665 24.264 1.00 12.47 1NRC 130 ATOM 58 CA SER A 63 34.603 52.860 24.894 1.00 29.08 1NRC 131 ATOM 59 CA SER A 64 36.761 50.086 23.378 1.00 20.74 1NRC 132 ATOM 60 CA ALA A 65 39.701 51.149 25.541 1.00 8.04 1NRC 133 ATOM 61 CA THR A 66 37.686 51.039 28.696 1.00 12.60 1NRC 134 ATOM 62 CA ASN A 67 36.370 47.568 27.874 1.00 7.53 1NRC 135 ATOM 63 CA ALA A 68 39.791 46.452 26.599 1.00 2.00 1NRC 136 ATOM 64 CA LEU A 69 41.150 47.840 29.781 1.00 2.00 1NRC 137 ATOM 65 CA ARG A 70 38.487 46.175 31.883 1.00 10.49 1NRC 138 ATOM 66 CA SER A 71 38.766 42.666 30.390 1.00 16.23 1NRC 139 ATOM 67 CA MET A 72 42.436 42.194 29.382 1.00 12.67 1NRC 140 ATOM 68 CA GLN A 73 43.915 43.604 32.580 1.00 15.49 1NRC 141 ATOM 69 CA GLY A 74 46.233 40.856 33.909 1.00 16.93 1NRC 142 ATOM 70 CA PHE A 75 45.822 38.559 30.967 1.00 9.84 1NRC 143 ATOM 71 CA PRO A 76 48.906 36.310 30.721 1.00 3.36 1NRC 144 ATOM 72 CA PHE A 77 50.147 37.475 27.309 1.00 5.46 1NRC 145 ATOM 73 CA TYR A 78 53.190 35.453 26.277 1.00 24.25 1NRC 146 ATOM 74 CA ASP A 79 52.910 34.013 29.833 1.00 18.83 1NRC 147 ATOM 75 CA LYS A 80 53.236 37.529 31.219 1.00 22.60 1NRC 148 ATOM 76 CA PRO A 81 50.306 38.985 33.050 1.00 15.66 1NRC 149 ATOM 77 CA MET A 82 49.820 42.283 31.255 1.00 10.26 1NRC 150 ATOM 78 CA ARG A 83 49.295 45.516 33.161 1.00 19.06 1NRC 151 ATOM 79 CA ILE A 84 47.015 48.021 31.462 1.00 15.64 1NRC 152 ATOM 80 CA CYS A 85 46.115 51.621 32.331 1.00 29.89 1NRC 153 ATOM 81 CA TYR A 86 45.470 54.636 30.108 1.00 36.25 1NRC 154 ATOM 82 CA ALA A 87 47.823 57.021 28.392 1.00 26.78 1NRC 155 ATOM 83 CA LYS A 88 48.741 59.833 30.714 1.00 39.35 1NRC 156 ATOM 84 CA THR A 89 48.421 61.743 27.568 1.00 46.93 1NRC 157 ATOM 85 CA ASP A 90 45.999 64.663 27.369 1.00 55.35 1NRC 158 TER 86 ASP A 90 1NRC 159 ATOM 87 CA THR B 6 36.039 12.015 23.987 1.00 78.33 1NRC 160 ATOM 88 CA ARG B 7 39.549 11.450 25.185 1.00 63.89 1NRC 161 ATOM 89 CA PRO B 8 41.864 14.063 26.525 1.00 19.92 1NRC 162 ATOM 90 CA ASN B 9 44.978 14.418 24.432 1.00 32.84 1NRC 163 ATOM 91 CA HIS B 10 47.947 16.743 24.549 1.00 19.79 1NRC 164 ATOM 92 CA THR B 11 46.807 18.210 21.263 1.00 5.58 1NRC 165 ATOM 93 CA ILE B 12 44.031 20.683 20.895 1.00 7.98 1NRC 166 ATOM 94 CA TYR B 13 42.320 21.203 17.579 1.00 4.25 1NRC 167 ATOM 95 CA ILE B 14 40.893 24.657 16.827 1.00 4.81 1NRC 168 ATOM 96 CA ASN B 15 38.259 25.837 14.330 1.00 25.25 1NRC 169 ATOM 97 CA ASN B 16 36.561 29.005 13.265 1.00 34.96 1NRC 170 ATOM 98 CA LEU B 17 39.870 30.766 12.640 1.00 25.73 1NRC 171 ATOM 99 CA ASN B 18 40.129 34.185 11.044 1.00 34.24 1NRC 172 ATOM 100 CA GLU B 19 40.725 33.093 7.456 1.00 44.77 1NRC 173 ATOM 101 CA LYS B 20 42.182 36.429 6.316 1.00 41.91 1NRC 174 ATOM 102 CA ILE B 21 45.235 36.172 8.562 1.00 22.49 1NRC 175 ATOM 103 CA LYS B 22 48.608 35.087 7.247 1.00 24.11 1NRC 176 ATOM 104 CA LYS B 23 49.192 31.561 8.458 1.00 25.43 1NRC 177 ATOM 105 CA ASP B 24 52.567 32.584 9.881 1.00 25.08 1NRC 178 ATOM 106 CA GLU B 25 50.851 35.406 11.744 1.00 10.58 1NRC 179 ATOM 107 CA LEU B 26 48.178 32.932 12.941 1.00 2.00 1NRC 180 ATOM 108 CA LYS B 27 50.872 30.750 14.457 1.00 6.18 1NRC 181 ATOM 109 CA LYS B 28 52.813 33.484 16.269 1.00 14.16 1NRC 182 ATOM 110 CA SER B 29 49.547 34.686 17.852 1.00 15.07 1NRC 183 ATOM 111 CA LEU B 30 48.166 31.247 18.766 1.00 2.84 1NRC 184 ATOM 112 CA TYR B 31 51.384 30.882 20.553 1.00 6.76 1NRC 185 ATOM 113 CA ALA B 32 50.993 34.305 22.263 1.00 2.00 1NRC 186 ATOM 114 CA ILE B 33 47.805 33.050 23.821 1.00 2.00 1NRC 187 ATOM 115 CA PHE B 34 48.322 29.333 24.612 1.00 2.00 1NRC 188 ATOM 116 CA SER B 35 51.839 29.788 25.834 1.00 4.04 1NRC 189 ATOM 117 CA GLN B 36 50.651 30.250 29.425 1.00 3.54 1NRC 190 ATOM 118 CA PHE B 37 49.041 26.800 29.750 1.00 4.05 1NRC 191 ATOM 119 CA GLY B 38 52.229 24.842 29.306 1.00 36.93 1NRC 192 ATOM 120 CA GLN B 39 54.903 23.789 26.845 1.00 29.18 1NRC 193 ATOM 121 CA ILE B 40 54.269 23.871 23.165 1.00 20.27 1NRC 194 ATOM 122 CA LEU B 41 55.968 21.429 20.909 1.00 12.82 1NRC 195 ATOM 123 CA ASP B 42 54.630 23.033 17.737 1.00 6.20 1NRC 196 ATOM 124 CA ILE B 43 51.584 24.525 16.118 1.00 13.63 1NRC 197 ATOM 125 CA LEU B 44 50.212 23.570 12.688 1.00 5.73 1NRC 198 ATOM 126 CA VAL B 45 47.876 25.962 10.844 1.00 24.06 1NRC 199 ATOM 127 CA SER B 46 45.927 24.295 8.031 1.00 35.99 1NRC 200 ATOM 128 CA ARG B 47 42.437 24.602 6.525 1.00 45.51 1NRC 201 ATOM 129 CA SER B 48 39.437 22.399 5.674 1.00 56.87 1NRC 202 ATOM 130 CA LEU B 49 37.647 24.741 3.199 1.00 69.88 1NRC 203 ATOM 131 CA GLY B 53 40.624 27.438 8.394 1.00 20.23 1NRC 204 ATOM 132 CA GLN B 54 42.263 25.811 11.487 1.00 5.81 1NRC 205 ATOM 133 CA ALA B 55 45.169 24.639 13.628 1.00 4.97 1NRC 206 ATOM 134 CA PHE B 56 46.722 22.199 16.074 1.00 5.64 1NRC 207 ATOM 135 CA VAL B 57 48.381 23.177 19.365 1.00 7.64 1NRC 208 ATOM 136 CA ILE B 58 50.745 20.500 20.501 1.00 7.87 1NRC 209 ATOM 137 CA PHE B 59 51.234 20.629 24.159 1.00 4.20 1NRC 210 ATOM 138 CA LYS B 60 54.016 18.658 25.808 1.00 28.53 1NRC 211 ATOM 139 CA GLU B 61 51.569 17.849 28.580 1.00 24.53 1NRC 212 ATOM 140 CA VAL B 62 47.906 16.891 28.647 1.00 11.10 1NRC 213 ATOM 141 CA SER B 63 47.147 18.841 31.839 1.00 11.55 1NRC 214 ATOM 142 CA SER B 64 48.161 21.803 29.689 1.00 2.00 1NRC 215 ATOM 143 CA ALA B 65 45.849 20.986 26.810 1.00 2.00 1NRC 216 ATOM 144 CA THR B 66 42.849 20.313 29.046 1.00 4.20 1NRC 217 ATOM 145 CA ASN B 67 43.502 23.581 30.866 1.00 12.12 1NRC 218 ATOM 146 CA ALA B 68 43.910 25.435 27.628 1.00 2.00 1NRC 219 ATOM 147 CA LEU B 69 40.636 23.949 26.349 1.00 2.00 1NRC 220 ATOM 148 CA ARG B 70 38.631 24.754 29.438 1.00 2.00 1NRC 221 ATOM 149 CA SER B 71 39.928 28.225 29.614 1.00 6.81 1NRC 222 ATOM 150 CA MET B 72 40.273 29.494 26.027 1.00 2.00 1NRC 223 ATOM 151 CA GLN B 73 37.100 27.980 24.740 1.00 23.40 1NRC 224 ATOM 152 CA GLY B 74 35.346 30.723 22.765 1.00 30.34 1NRC 225 ATOM 153 CA PHE B 75 37.930 33.486 23.305 1.00 6.53 1NRC 226 ATOM 154 CA PRO B 76 37.505 35.899 20.378 1.00 10.11 1NRC 227 ATOM 155 CA PHE B 77 40.767 35.538 18.618 1.00 2.00 1NRC 228 ATOM 156 CA TYR B 78 40.878 38.121 15.850 1.00 18.14 1NRC 229 ATOM 157 CA ASP B 79 37.349 38.855 16.887 1.00 26.09 1NRC 230 ATOM 158 CA LYS B 80 36.087 35.310 16.112 1.00 25.73 1NRC 231 ATOM 159 CA PRO B 81 35.390 33.043 19.117 1.00 15.51 1NRC 232 ATOM 160 CA MET B 82 37.675 30.068 18.807 1.00 2.64 1NRC 233 ATOM 161 CA ARG B 83 36.056 26.626 18.994 1.00 20.30 1NRC 234 ATOM 162 CA ILE B 84 38.476 24.275 20.763 1.00 3.76 1NRC 235 ATOM 163 CA CYS B 85 38.439 20.516 21.252 1.00 25.98 1NRC 236 ATOM 164 CA TYR B 86 40.753 17.588 21.661 1.00 15.97 1NRC 237 ATOM 165 CA ALA B 87 42.345 16.375 18.425 1.00 37.78 1NRC 238 ATOM 166 CA LYS B 88 40.730 12.996 17.640 1.00 60.19 1NRC 239 ATOM 167 O LYS B 88 42.297 11.059 17.901 1.00 60.57 1NRC 240 TER 168 LYS B 88 1NRC 241 MASTER 22 0 0 4 8 0 0 9 166 2 0 16 1NRC 242 END 1NRC 243