HEADER RNA BINDING PROTEIN/RNA 11-SEP-11 3TS2 TITLE Mouse Lin28A in complex with let-7g microRNA pre-element COMPND MOL_ID: 1; COMPND 2 MOLECULE: Protein lin-28 homolog A; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.01 ANGSTORMS DBREF 3TS2 B 31 187 UNP Q8K3Y3 LN28A_MOUSE 31 187 SEQRES 1 B 29 SER GLU ARG ARG PRO LYS GLY GLY ASP ARG CYS TYR ASN SEQRES 2 B 29 CYS GLY GLY LEU ASP HIS HIS ALA LYS GLU CYS LYS LEU SEQRES 3 B 29 PRO PRO GLN ATOM 1 N SER B 90 -3.099 43.725 -14.228 1.00 35.66 ATOM 2 CA SER B 90 -2.941 42.621 -15.173 1.00 35.19 ATOM 3 C SER B 90 -1.543 42.022 -15.220 1.00 40.61 ATOM 4 O SER B 90 -0.545 42.737 -15.167 1.00 40.11 ATOM 5 CB SER B 90 -3.353 43.066 -16.565 1.00 35.89 ATOM 6 OG SER B 90 -3.151 42.046 -17.533 1.00 42.10 ATOM 7 N GLU B 91 -1.500 40.702 -15.370 1.00 41.41 ATOM 8 CA GLU B 91 -0.296 39.881 -15.568 1.00 45.13 ATOM 9 C GLU B 91 0.343 40.161 -16.981 1.00 50.57 ATOM 10 O GLU B 91 1.500 39.804 -17.218 1.00 51.42 ATOM 11 CB GLU B 91 -0.643 38.384 -15.377 1.00 48.18 ATOM 12 CG GLU B 91 -1.549 37.768 -16.447 1.00 64.06 ATOM 13 CD GLU B 91 -2.976 38.275 -16.605 1.00 83.19 ATOM 14 OE1 GLU B 91 -3.510 38.160 -17.733 1.00 79.55 ATOM 15 OE2 GLU B 91 -3.560 38.786 -15.618 1.00 59.79 ATOM 16 N ARG B 92 -0.407 40.847 -17.884 1.00 47.20 ATOM 17 CA ARG B 92 0.052 41.269 -19.218 1.00 48.19 ATOM 18 C ARG B 92 1.115 42.384 -19.114 1.00 55.18 ATOM 19 O ARG B 92 1.910 42.554 -20.041 1.00 56.32 ATOM 20 CB ARG B 92 -1.116 41.757 -20.081 1.00 45.09 ATOM 21 CG ARG B 92 -2.050 40.666 -20.562 1.00 51.57 ATOM 22 CD ARG B 92 -3.229 41.260 -21.312 1.00 55.27 ATOM 23 NE ARG B 92 -4.269 40.260 -21.573 1.00 58.90 ATOM 24 CZ ARG B 92 -4.366 39.534 -22.682 1.00 77.51 ATOM 25 NH1 ARG B 92 -5.345 38.650 -22.820 1.00 70.51 ATOM 26 NH2 ARG B 92 -3.479 39.681 -23.662 1.00 62.20 ATOM 27 N ARG B 93 1.113 43.152 -18.001 1.00 52.60 ATOM 28 CA ARG B 93 2.099 44.215 -17.763 1.00 53.61 ATOM 29 C ARG B 93 2.785 43.941 -16.413 1.00 61.57 ATOM 30 O ARG B 93 2.433 44.567 -15.403 1.00 59.71 ATOM 31 CB ARG B 93 1.482 45.640 -17.806 1.00 51.34 ATOM 32 CG ARG B 93 0.869 46.016 -19.131 1.00 55.70 ATOM 33 CD ARG B 93 1.845 46.506 -20.186 1.00 64.87 ATOM 34 NE ARG B 93 1.034 47.255 -21.134 1.00 71.19 ATOM 35 CZ ARG B 93 1.003 48.573 -21.270 1.00 81.15 ATOM 36 NH1 ARG B 93 1.891 49.331 -20.652 1.00 69.69 ATOM 37 NH2 ARG B 93 0.184 49.128 -22.151 1.00 62.28 ATOM 38 N PRO B 94 3.766 43.002 -16.365 1.00 62.22 ATOM 39 CA PRO B 94 4.451 42.726 -15.089 1.00 63.17 ATOM 40 C PRO B 94 5.259 43.917 -14.593 1.00 69.14 ATOM 41 O PRO B 94 5.847 44.650 -15.395 1.00 68.95 ATOM 42 CB PRO B 94 5.378 41.548 -15.423 1.00 66.62 ATOM 43 CG PRO B 94 4.897 41.011 -16.717 1.00 71.06 ATOM 44 CD PRO B 94 4.323 42.175 -17.450 1.00 65.19 ATOM 45 N LYS B 95 5.268 44.113 -13.264 1.00 67.78 ATOM 46 CA LYS B 95 6.025 45.183 -12.613 1.00 68.26 ATOM 47 C LYS B 95 7.270 44.626 -11.930 1.00 75.23 ATOM 48 O LYS B 95 7.317 43.439 -11.583 1.00 75.41 ATOM 49 CB LYS B 95 5.146 46.000 -11.659 1.00 68.75 ATOM 50 CG LYS B 95 4.067 46.751 -12.420 1.00 74.41 ATOM 51 CD LYS B 95 3.150 47.568 -11.545 1.00 71.79 ATOM 52 CE LYS B 95 2.107 48.251 -12.398 1.00 59.98 ATOM 53 NZ LYS B 95 1.108 48.955 -11.569 1.00 47.63 ATOM 54 N GLY B 96 8.275 45.485 -11.782 1.00 73.70 ATOM 55 CA GLY B 96 9.576 45.125 -11.233 1.00 75.37 ATOM 56 C GLY B 96 9.615 44.729 -9.773 1.00 77.86 ATOM 57 O GLY B 96 10.062 43.629 -9.435 1.00 78.95 ATOM 58 N GLY B 97 9.140 45.624 -8.919 1.00 71.27 ATOM 59 CA GLY B 97 9.188 45.456 -7.472 1.00 70.02 ATOM 60 C GLY B 97 8.270 44.444 -6.816 1.00 69.22 ATOM 61 O GLY B 97 7.272 44.000 -7.396 1.00 67.86 ATOM 62 N ASP B 98 8.614 44.109 -5.558 1.00 63.15 ATOM 63 CA ASP B 98 7.856 43.247 -4.658 1.00 60.72 ATOM 64 C ASP B 98 6.678 44.092 -4.177 1.00 57.67 ATOM 65 O ASP B 98 6.805 45.315 -4.144 1.00 57.36 ATOM 66 CB ASP B 98 8.725 42.917 -3.417 1.00 64.08 ATOM 67 CG ASP B 98 9.751 41.815 -3.577 1.00 74.82 ATOM 68 OD1 ASP B 98 9.466 40.847 -4.303 1.00 76.33 ATOM 69 OD2 ASP B 98 10.790 41.860 -2.870 1.00 82.41 ATOM 70 N ARG B 99 5.576 43.469 -3.736 1.00 49.78 ATOM 71 CA ARG B 99 4.448 44.228 -3.162 1.00 46.10 ATOM 72 C ARG B 99 4.414 43.966 -1.660 1.00 47.49 ATOM 73 O ARG B 99 4.526 42.802 -1.257 1.00 47.04 ATOM 74 CB ARG B 99 3.098 43.785 -3.756 1.00 42.14 ATOM 75 CG ARG B 99 2.724 44.378 -5.110 1.00 47.98 ATOM 76 CD ARG B 99 1.464 43.697 -5.679 1.00 52.86 ATOM 77 NE ARG B 99 0.225 43.985 -4.932 1.00 48.10 ATOM 78 CZ ARG B 99 -0.593 44.996 -5.203 1.00 57.06 ATOM 79 NH1 ARG B 99 -1.695 45.176 -4.488 1.00 44.78 ATOM 80 NH2 ARG B 99 -0.319 45.834 -6.194 1.00 48.58 ATOM 81 N CYS B 100 4.210 45.034 -0.828 1.00 41.36 ATOM 82 CA CYS B 100 4.053 44.911 0.633 1.00 39.33 ATOM 83 C CYS B 100 2.795 44.045 0.897 1.00 41.83 ATOM 84 O CYS B 100 1.764 44.296 0.271 1.00 39.64 ATOM 85 CB CYS B 100 3.922 46.292 1.273 1.00 37.43 ATOM 86 SG CYS B 100 3.307 46.261 2.976 1.00 40.30 ATOM 87 N TYR B 101 2.895 43.009 1.760 1.00 38.78 ATOM 88 CA TYR B 101 1.774 42.096 2.056 1.00 39.45 ATOM 89 C TYR B 101 0.653 42.788 2.827 1.00 45.44 ATOM 90 O TYR B 101 -0.509 42.353 2.770 1.00 44.39 ATOM 91 CB TYR B 101 2.233 40.815 2.790 1.00 42.63 ATOM 92 CG TYR B 101 3.146 39.913 1.984 1.00 48.11 ATOM 93 CD1 TYR B 101 3.083 39.886 0.591 1.00 49.96 ATOM 94 CD2 TYR B 101 4.064 39.077 2.612 1.00 51.38 ATOM 95 CE1 TYR B 101 3.926 39.065 -0.156 1.00 53.45 ATOM 96 CE2 TYR B 101 4.909 38.246 1.874 1.00 53.81 ATOM 97 CZ TYR B 101 4.837 38.247 0.490 1.00 61.31 ATOM 98 OH TYR B 101 5.663 37.441 -0.251 1.00 66.91 ATOM 99 N ASN B 102 0.998 43.889 3.518 1.00 42.48 ATOM 100 CA ASN B 102 0.012 44.681 4.205 1.00 41.30 ATOM 101 C ASN B 102 -0.749 45.629 3.283 1.00 42.49 ATOM 102 O ASN B 102 -1.967 45.554 3.239 1.00 40.12 ATOM 103 CB ASN B 102 0.584 45.423 5.428 1.00 41.15 ATOM 104 CG ASN B 102 -0.517 46.002 6.300 1.00 47.43 ATOM 105 OD1 ASN B 102 -1.336 45.268 6.839 1.00 38.08 ATOM 106 ND2 ASN B 102 -0.640 47.324 6.362 1.00 37.01 ATOM 107 N CYS B 103 -0.080 46.520 2.575 1.00 39.59 ATOM 108 CA CYS B 103 -0.806 47.520 1.774 1.00 37.15 ATOM 109 C CYS B 103 -0.799 47.311 0.242 1.00 40.24 ATOM 110 O CYS B 103 -1.529 48.000 -0.483 1.00 37.08 ATOM 111 CB CYS B 103 -0.288 48.904 2.136 1.00 36.01 ATOM 112 SG CYS B 103 1.361 49.240 1.480 1.00 39.81 ATOM 113 N GLY B 104 0.077 46.432 -0.234 1.00 39.14 ATOM 114 CA GLY B 104 0.247 46.180 -1.659 1.00 38.51 ATOM 115 C GLY B 104 1.181 47.147 -2.369 1.00 43.30 ATOM 116 O GLY B 104 1.298 47.085 -3.598 1.00 42.52 ATOM 117 N GLY B 105 1.801 48.063 -1.609 1.00 40.08 ATOM 118 CA GLY B 105 2.728 49.070 -2.123 1.00 40.75 ATOM 119 C GLY B 105 4.069 48.494 -2.536 1.00 48.20 ATOM 120 O GLY B 105 4.523 47.499 -1.963 1.00 47.63 ATOM 121 N LEU B 106 4.709 49.113 -3.549 1.00 48.31 ATOM 122 CA LEU B 106 6.002 48.685 -4.114 1.00 50.97 ATOM 123 C LEU B 106 7.232 49.037 -3.271 1.00 59.72 ATOM 124 O LEU B 106 8.214 48.289 -3.285 1.00 61.90 ATOM 125 CB LEU B 106 6.184 49.281 -5.529 1.00 51.04 ATOM 126 CG LEU B 106 5.778 48.472 -6.784 1.00 55.43 ATOM 127 CD1 LEU B 106 5.173 47.102 -6.469 1.00 55.43 ATOM 128 CD2 LEU B 106 4.854 49.278 -7.664 1.00 57.35 ATOM 129 N ASP B 107 7.195 50.188 -2.585 1.00 57.17 ATOM 130 CA ASP B 107 8.302 50.757 -1.799 1.00 59.14 ATOM 131 C ASP B 107 9.078 49.845 -0.813 1.00 61.31 ATOM 132 O ASP B 107 10.301 49.931 -0.737 1.00 62.62 ATOM 133 CB ASP B 107 7.798 51.992 -0.997 1.00 60.97 ATOM 134 CG ASP B 107 7.639 53.302 -1.750 1.00 75.65 ATOM 135 OD1 ASP B 107 8.545 53.646 -2.550 1.00 83.53 ATOM 136 OD2 ASP B 107 6.649 54.030 -1.476 1.00 75.61 ATOM 137 N HIS B 108 8.342 49.055 -0.008 1.00 53.26 ATOM 138 CA HIS B 108 8.782 48.335 1.191 1.00 50.96 ATOM 139 C HIS B 108 8.089 46.972 1.395 1.00 49.60 ATOM 140 O HIS B 108 7.222 46.576 0.619 1.00 47.75 ATOM 141 CB HIS B 108 8.356 49.246 2.379 1.00 51.01 ATOM 142 CG HIS B 108 6.867 49.486 2.383 1.00 51.44 ATOM 143 ND1 HIS B 108 6.274 50.336 1.460 1.00 51.24 ATOM 144 CD2 HIS B 108 5.890 48.873 3.095 1.00 51.33 ATOM 145 CE1 HIS B 108 4.973 50.274 1.690 1.00 48.48 ATOM 146 NE2 HIS B 108 4.694 49.396 2.654 1.00 49.37 ATOM 147 N HIS B 109 8.420 46.319 2.510 1.00 46.53 ATOM 148 CA HIS B 109 7.850 45.060 2.990 1.00 46.32 ATOM 149 C HIS B 109 6.947 45.339 4.208 1.00 47.66 ATOM 150 O HIS B 109 7.080 46.388 4.847 1.00 45.61 ATOM 151 CB HIS B 109 8.970 44.058 3.352 1.00 49.63 ATOM 152 CG HIS B 109 9.663 43.435 2.169 1.00 53.86 ATOM 153 ND1 HIS B 109 9.122 43.488 0.888 1.00 54.65 ATOM 154 CD2 HIS B 109 10.817 42.731 2.122 1.00 57.98 ATOM 155 CE1 HIS B 109 9.971 42.834 0.110 1.00 55.34 ATOM 156 NE2 HIS B 109 11.010 42.368 0.807 1.00 57.85 ATOM 157 N ALA B 110 6.056 44.391 4.536 1.00 44.79 ATOM 158 CA ALA B 110 5.090 44.502 5.637 1.00 44.49 ATOM 159 C ALA B 110 5.649 44.955 6.990 1.00 50.11 ATOM 160 O ALA B 110 4.965 45.717 7.694 1.00 49.42 ATOM 161 CB ALA B 110 4.297 43.213 5.783 1.00 45.00 ATOM 162 N LYS B 111 6.883 44.513 7.367 1.00 47.30 ATOM 163 CA LYS B 111 7.488 44.943 8.645 1.00 49.05 ATOM 164 C LYS B 111 7.844 46.433 8.684 1.00 54.56 ATOM 165 O LYS B 111 7.820 47.020 9.753 1.00 56.78 ATOM 166 CB LYS B 111 8.647 44.046 9.117 1.00 53.79 ATOM 167 CG LYS B 111 9.902 44.092 8.252 1.00 70.26 ATOM 168 CD LYS B 111 11.141 43.759 9.090 1.00 83.25 ATOM 169 CE LYS B 111 12.255 43.158 8.265 1.00 93.23 ATOM 170 NZ LYS B 111 11.938 41.772 7.816 1.00101.86 ATOM 171 N GLU B 112 8.113 47.046 7.521 1.00 51.44 ATOM 172 CA GLU B 112 8.405 48.477 7.378 1.00 51.57 ATOM 173 C GLU B 112 7.128 49.283 7.046 1.00 52.35 ATOM 174 O GLU B 112 7.221 50.512 6.938 1.00 52.48 ATOM 175 CB GLU B 112 9.452 48.740 6.263 1.00 53.78 ATOM 176 CG GLU B 112 10.772 47.989 6.341 1.00 63.32 ATOM 177 CD GLU B 112 10.919 46.991 5.207 1.00 86.87 ATOM 178 OE1 GLU B 112 11.024 45.786 5.525 1.00 91.30 ATOM 179 OE2 GLU B 112 10.892 47.388 4.015 1.00 67.42 ATOM 180 N CYS B 113 5.949 48.618 6.839 1.00 46.33 ATOM 181 CA CYS B 113 4.689 49.314 6.478 1.00 43.10 ATOM 182 C CYS B 113 4.232 50.314 7.535 1.00 45.84 ATOM 183 O CYS B 113 4.084 49.939 8.693 1.00 46.21 ATOM 184 CB CYS B 113 3.574 48.329 6.149 1.00 41.59 ATOM 185 SG CYS B 113 2.186 49.069 5.267 1.00 43.45 ATOM 186 N LYS B 114 3.991 51.569 7.137 1.00 43.17 ATOM 187 CA LYS B 114 3.512 52.616 8.055 1.00 45.42 ATOM 188 C LYS B 114 1.964 52.663 8.085 1.00 46.96 ATOM 189 O LYS B 114 1.380 53.363 8.909 1.00 45.79 ATOM 190 CB LYS B 114 4.087 53.997 7.660 1.00 49.74 ATOM 191 CG LYS B 114 5.586 54.146 7.889 1.00 69.55 ATOM 192 CD LYS B 114 6.113 55.447 7.306 1.00 80.89 ATOM 193 CE LYS B 114 7.601 55.580 7.521 1.00 91.72 ATOM 194 NZ LYS B 114 8.064 56.980 7.331 1.00100.27 ATOM 195 N LEU B 115 1.315 51.914 7.186 1.00 42.16 ATOM 196 CA LEU B 115 -0.137 51.891 7.066 1.00 40.31 ATOM 197 C LEU B 115 -0.802 51.046 8.142 1.00 42.16 ATOM 198 O LEU B 115 -0.156 50.132 8.679 1.00 40.85 ATOM 199 CB LEU B 115 -0.575 51.416 5.668 1.00 39.19 ATOM 200 CG LEU B 115 -0.380 52.376 4.511 1.00 45.02 ATOM 201 CD1 LEU B 115 -1.323 52.092 3.396 1.00 44.14 ATOM 202 CD2 LEU B 115 -0.477 53.835 4.933 1.00 51.56 ATOM 203 N PRO B 116 -2.113 51.331 8.451 1.00 37.18 ATOM 204 CA PRO B 116 -2.841 50.510 9.438 1.00 37.57 ATOM 205 C PRO B 116 -2.917 49.033 9.033 1.00 41.79 ATOM 206 O PRO B 116 -2.848 48.715 7.838 1.00 39.23 ATOM 207 CB PRO B 116 -4.247 51.130 9.484 1.00 38.08 ATOM 208 CG PRO B 116 -4.076 52.494 8.934 1.00 41.49 ATOM 209 CD PRO B 116 -2.982 52.404 7.917 1.00 37.20 ATOM 210 N PRO B 117 -2.984 48.129 10.049 1.00 40.64 ATOM 211 CA PRO B 117 -2.984 46.695 9.743 1.00 40.69 ATOM 212 C PRO B 117 -4.160 46.274 8.875 1.00 45.23 ATOM 213 O PRO B 117 -5.282 46.717 9.075 1.00 45.59 ATOM 214 CB PRO B 117 -2.964 46.026 11.126 1.00 43.71 ATOM 215 CG PRO B 117 -3.422 47.067 12.078 1.00 49.11 ATOM 216 CD PRO B 117 -3.021 48.371 11.514 1.00 43.30 ATOM 217 N GLN B 118 -3.882 45.494 7.851 1.00 40.84 ATOM 218 CA GLN B 118 -4.913 45.015 6.933 1.00 40.72 ATOM 219 C GLN B 118 -5.116 43.504 7.108 1.00 43.61 ATOM 220 O GLN B 118 -4.153 42.832 7.421 1.00 42.50 ATOM 221 CB GLN B 118 -4.509 45.296 5.464 1.00 41.15 ATOM 222 CG GLN B 118 -4.439 46.780 5.102 1.00 41.48 ATOM 223 CD GLN B 118 -5.794 47.431 5.208 1.00 53.61 ATOM 224 OE1 GLN B 118 -6.824 46.884 4.800 1.00 45.27 ATOM 225 NE2 GLN B 118 -5.854 48.596 5.821 1.00 55.02 TER