HEADER RIBOSOME 31-DEC-69 7PWF TITLE Cryo-EM structure of small subunit of Giardia lamblia ribosome at 2.9 TITLE 2 A resolution COMPND MOL_ID: 28; COMPND 2 MOLECULE: rRNA 18S; COMPND 3 CHAIN: 2; COMPND 4 MOL_ID: 23; COMPND 5 Ribosomal protein eL41; COMPND 6 CHAIN: n; EXPDTA ELECTRON MICROSCOPY DBREF 7PWF 2 1 1452 PDB 7PWF 7PWF 1 1452 DBREF 7PWF n -15 25 PDB 7PWF 7PWF -15 25 SEQRES 1 n 24 MET ARG ALA LYS TRP ALA LYS LYS ARG MET ARG LYS LEU SEQRES 2 n 24 LYS ARG LYS ARG ARG HIS MET LYS ALA ARG SER ATOM 1 N MET n 1 177.121 147.672 179.158 1.00 5.77 ATOM 2 CA MET n 1 176.679 148.424 180.319 1.00 4.93 ATOM 3 C MET n 1 175.304 147.961 180.755 1.00 9.97 ATOM 4 O MET n 1 174.515 147.491 179.937 1.00 12.51 ATOM 5 CB MET n 1 176.636 149.922 180.013 1.00 3.11 ATOM 6 CG MET n 1 177.832 150.698 180.485 1.00 5.17 ATOM 7 SD MET n 1 177.753 152.422 179.959 1.00 25.16 ATOM 8 CE MET n 1 176.832 153.152 181.304 1.00 6.78 ATOM 9 N ARG n 2 175.019 148.095 182.046 1.00 9.99 ATOM 10 CA ARG n 2 173.655 147.935 182.526 1.00 5.33 ATOM 11 C ARG n 2 172.781 149.021 181.900 1.00 8.99 ATOM 12 O ARG n 2 173.132 150.203 181.927 1.00 7.31 ATOM 13 CB ARG n 2 173.632 148.022 184.053 1.00 1.93 ATOM 14 CG ARG n 2 172.253 148.011 184.683 1.00 1.27 ATOM 15 CD ARG n 2 172.354 148.132 186.184 1.00 2.25 ATOM 16 NE ARG n 2 171.046 148.113 186.821 1.00 3.44 ATOM 17 CZ ARG n 2 170.850 148.033 188.130 1.00 3.11 ATOM 18 NH1 ARG n 2 169.624 148.022 188.617 1.00 3.03 ATOM 19 NH2 ARG n 2 171.880 147.997 188.953 1.00 6.68 ATOM 20 N ALA n 3 171.639 148.615 181.342 1.00 3.32 ATOM 21 CA ALA n 3 170.848 149.510 180.499 1.00 6.09 ATOM 22 C ALA n 3 170.375 150.754 181.243 1.00 7.51 ATOM 23 O ALA n 3 170.230 151.819 180.635 1.00 9.98 ATOM 24 CB ALA n 3 169.655 148.751 179.919 1.00 4.23 ATOM 25 N LYS n 4 170.128 150.639 182.549 1.00 7.21 ATOM 26 CA LYS n 4 169.740 151.797 183.351 1.00 4.73 ATOM 27 C LYS n 4 170.816 152.887 183.323 1.00 5.74 ATOM 28 O LYS n 4 170.514 154.076 183.141 1.00 7.61 ATOM 29 CB LYS n 4 169.435 151.326 184.777 1.00 2.79 ATOM 30 CG LYS n 4 169.146 152.412 185.784 1.00 6.52 ATOM 31 CD LYS n 4 169.147 151.892 187.209 1.00 0.78 ATOM 32 CE LYS n 4 167.767 151.405 187.607 1.00 3.18 ATOM 33 NZ LYS n 4 167.561 151.401 189.069 1.00 7.21 ATOM 34 N TRP n 5 172.084 152.505 183.448 1.00 7.42 ATOM 35 CA TRP n 5 173.130 153.519 183.420 1.00 1.31 ATOM 36 C TRP n 5 173.401 154.023 182.007 1.00 4.81 ATOM 37 O TRP n 5 173.806 155.177 181.838 1.00 12.08 ATOM 38 CB TRP n 5 174.413 152.988 184.062 1.00 5.06 ATOM 39 CG TRP n 5 174.234 152.341 185.422 1.00 6.61 ATOM 40 CD1 TRP n 5 174.833 151.202 185.861 1.00 0.58 ATOM 41 CD2 TRP n 5 173.379 152.780 186.494 1.00 5.94 ATOM 42 NE1 TRP n 5 174.429 150.914 187.139 1.00 0.26 ATOM 43 CE2 TRP n 5 173.531 151.862 187.548 1.00 2.98 ATOM 44 CE3 TRP n 5 172.504 153.859 186.664 1.00 2.12 ATOM 45 CZ2 TRP n 5 172.844 151.988 188.752 1.00 3.21 ATOM 46 CZ3 TRP n 5 171.824 153.982 187.859 1.00 0.00 ATOM 47 CH2 TRP n 5 171.997 153.052 188.887 1.00 3.37 ATOM 48 N ALA n 6 173.168 153.195 180.987 1.00 6.13 ATOM 49 CA ALA n 6 173.225 153.684 179.614 1.00 5.43 ATOM 50 C ALA n 6 172.170 154.757 179.367 1.00 6.87 ATOM 51 O ALA n 6 172.445 155.774 178.717 1.00 9.74 ATOM 52 CB ALA n 6 173.057 152.524 178.634 1.00 6.29 ATOM 53 N LYS n 7 170.960 154.554 179.894 1.00 4.43 ATOM 54 CA LYS n 7 169.912 155.565 179.795 1.00 3.21 ATOM 55 C LYS n 7 170.310 156.855 180.508 1.00 2.25 ATOM 56 O LYS n 7 170.066 157.956 180.001 1.00 7.62 ATOM 57 CB LYS n 7 168.615 155.011 180.381 1.00 5.54 ATOM 58 CG LYS n 7 167.412 155.920 180.254 1.00 7.47 ATOM 59 CD LYS n 7 166.120 155.121 180.218 1.00 7.72 ATOM 60 CE LYS n 7 165.106 155.689 181.199 1.00 8.83 ATOM 61 NZ LYS n 7 163.835 154.911 181.267 1.00 6.48 ATOM 62 N LYS n 8 170.906 156.734 181.697 1.00 4.11 ATOM 63 CA LYS n 8 171.397 157.909 182.420 1.00 5.30 ATOM 64 C LYS n 8 172.437 158.678 181.600 1.00 5.34 ATOM 65 O LYS n 8 172.379 159.912 181.482 1.00 5.93 ATOM 66 CB LYS n 8 171.986 157.458 183.755 1.00 0.05 ATOM 67 CG LYS n 8 171.807 158.400 184.913 1.00 6.88 ATOM 68 CD LYS n 8 172.499 157.824 186.138 1.00 7.05 ATOM 69 CE LYS n 8 172.545 158.811 187.287 1.00 7.76 ATOM 70 NZ LYS n 8 171.202 158.976 187.907 1.00 7.94 ATOM 71 N ARG n 9 173.391 157.950 181.014 1.00 2.21 ATOM 72 CA ARG n 9 174.415 158.556 180.168 1.00 7.61 ATOM 73 C ARG n 9 173.801 159.280 178.974 1.00 6.31 ATOM 74 O ARG n 9 174.205 160.402 178.636 1.00 5.36 ATOM 75 CB ARG n 9 175.376 157.466 179.693 1.00 5.77 ATOM 76 CG ARG n 9 176.556 157.944 178.879 1.00 6.32 ATOM 77 CD ARG n 9 177.268 156.764 178.243 1.00 7.65 ATOM 78 NE ARG n 9 178.313 156.206 179.094 1.00 11.38 ATOM 79 CZ ARG n 9 179.207 155.312 178.690 1.00 9.97 ATOM 80 NH1 ARG n 9 179.192 154.871 177.443 1.00 7.63 ATOM 81 NH2 ARG n 9 180.121 154.862 179.532 1.00 10.90 ATOM 82 N MET n 10 172.820 158.652 178.324 1.00 7.78 ATOM 83 CA MET n 10 172.188 159.255 177.156 1.00 4.95 ATOM 84 C MET n 10 171.419 160.514 177.532 1.00 9.11 ATOM 85 O MET n 10 171.406 161.490 176.774 1.00 12.50 ATOM 86 CB MET n 10 171.262 158.244 176.487 1.00 8.96 ATOM 87 CG MET n 10 170.577 158.754 175.241 1.00 12.93 ATOM 88 SD MET n 10 171.700 158.816 173.835 1.00 21.87 ATOM 89 CE MET n 10 171.594 160.540 173.400 1.00 12.18 ATOM 90 N ARG n 11 170.757 160.508 178.691 1.00 9.41 ATOM 91 CA ARG n 11 170.056 161.709 179.132 1.00 6.11 ATOM 92 C ARG n 11 171.026 162.856 179.375 1.00 9.30 ATOM 93 O ARG n 11 170.760 163.999 178.980 1.00 17.45 ATOM 94 CB ARG n 11 169.246 161.414 180.389 1.00 7.20 ATOM 95 CG ARG n 11 167.993 160.650 180.108 1.00 6.62 ATOM 96 CD ARG n 11 167.084 160.595 181.298 1.00 8.96 ATOM 97 NE ARG n 11 165.886 159.830 180.982 1.00 10.99 ATOM 98 CZ ARG n 11 164.889 159.616 181.828 1.00 9.98 ATOM 99 NH1 ARG n 11 163.840 158.910 181.440 1.00 8.45 ATOM 100 NH2 ARG n 11 164.938 160.113 183.054 1.00 11.01 ATOM 101 N LYS n 12 172.162 162.573 180.020 1.00 9.00 ATOM 102 CA LYS n 12 173.158 163.625 180.206 1.00 10.87 ATOM 103 C LYS n 12 173.666 164.151 178.866 1.00 13.22 ATOM 104 O LYS n 12 173.878 165.361 178.701 1.00 16.11 ATOM 105 CB LYS n 12 174.317 163.120 181.063 1.00 9.24 ATOM 106 CG LYS n 12 173.993 163.022 182.545 1.00 11.68 ATOM 107 CD LYS n 12 175.099 162.350 183.345 1.00 15.88 ATOM 108 CE LYS n 12 176.481 162.606 182.752 1.00 15.81 ATOM 109 NZ LYS n 12 176.850 164.053 182.769 1.00 14.85 ATOM 110 N LEU n 13 173.852 163.259 177.893 1.00 13.67 ATOM 111 CA LEU n 13 174.281 163.684 176.563 1.00 12.49 ATOM 112 C LEU n 13 173.259 164.611 175.907 1.00 12.84 ATOM 113 O LEU n 13 173.617 165.656 175.345 1.00 13.85 ATOM 114 CB LEU n 13 174.534 162.458 175.690 1.00 13.90 ATOM 115 CG LEU n 13 175.021 162.768 174.277 1.00 14.98 ATOM 116 CD1 LEU n 13 176.359 163.461 174.337 1.00 13.93 ATOM 117 CD2 LEU n 13 175.110 161.500 173.448 1.00 13.53 ATOM 118 N LYS n 14 171.979 164.232 175.948 1.00 10.75 ATOM 119 CA LYS n 14 170.950 165.053 175.314 1.00 9.89 ATOM 120 C LYS n 14 170.849 166.420 175.982 1.00 15.44 ATOM 121 O LYS n 14 170.650 167.440 175.309 1.00 16.34 ATOM 122 CB LYS n 14 169.599 164.336 175.334 1.00 9.24 ATOM 123 CG LYS n 14 169.491 163.219 174.312 1.00 14.64 ATOM 124 CD LYS n 14 168.060 162.878 173.941 1.00 14.73 ATOM 125 CE LYS n 14 167.375 162.011 174.977 1.00 16.19 ATOM 126 NZ LYS n 14 165.952 162.393 175.119 1.00 17.81 ATOM 127 N ARG n 15 171.004 166.466 177.306 1.00 16.71 ATOM 128 CA ARG n 15 170.952 167.747 177.999 1.00 14.33 ATOM 129 C ARG n 15 172.153 168.625 177.646 1.00 17.63 ATOM 130 O ARG n 15 172.007 169.848 177.490 1.00 18.98 ATOM 131 CB ARG n 15 170.857 167.502 179.504 1.00 12.08 ATOM 132 CG ARG n 15 170.934 168.746 180.345 1.00 15.93 ATOM 133 CD ARG n 15 170.856 168.429 181.824 1.00 16.75 ATOM 134 NE ARG n 15 171.419 167.124 182.147 1.00 19.16 ATOM 135 CZ ARG n 15 171.001 166.361 183.150 1.00 21.16 ATOM 136 NH1 ARG n 15 170.017 166.779 183.932 1.00 22.25 ATOM 137 NH2 ARG n 15 171.569 165.181 183.377 1.00 16.76 ATOM 138 N LYS n 16 173.332 168.021 177.468 1.00 16.47 ATOM 139 CA LYS n 16 174.487 168.787 177.005 1.00 18.28 ATOM 140 C LYS n 16 174.254 169.363 175.614 1.00 20.08 ATOM 141 O LYS n 16 174.621 170.515 175.340 1.00 19.62 ATOM 142 CB LYS n 16 175.735 167.909 177.006 1.00 20.05 ATOM 143 CG LYS n 16 176.999 168.649 176.639 1.00 20.38 ATOM 144 CD LYS n 16 177.562 169.372 177.846 1.00 21.25 ATOM 145 CE LYS n 16 178.059 170.744 177.467 1.00 23.46 ATOM 146 NZ LYS n 16 176.947 171.731 177.433 1.00 21.73 ATOM 147 N ARG n 17 173.655 168.574 174.720 1.00 19.65 ATOM 148 CA ARG n 17 173.357 169.078 173.381 1.00 16.12 ATOM 149 C ARG n 17 172.374 170.238 173.422 1.00 18.54 ATOM 150 O ARG n 17 172.548 171.231 172.707 1.00 21.76 ATOM 151 CB ARG n 17 172.804 167.970 172.495 1.00 19.37 ATOM 152 CG ARG n 17 173.848 167.147 171.803 1.00 14.02 ATOM 153 CD ARG n 17 173.329 165.774 171.573 1.00 17.03 ATOM 154 NE ARG n 17 174.314 164.936 170.913 1.00 21.24 ATOM 155 CZ ARG n 17 174.099 163.675 170.583 1.00 17.96 ATOM 156 NH1 ARG n 17 172.926 163.120 170.845 1.00 17.45 ATOM 157 NH2 ARG n 17 175.050 162.976 169.985 1.00 17.55 ATOM 158 N ARG n 18 171.318 170.124 174.233 1.00 20.26 ATOM 159 CA ARG n 18 170.371 171.232 174.331 1.00 20.17 ATOM 160 C ARG n 18 171.058 172.495 174.833 1.00 20.40 ATOM 161 O ARG n 18 170.810 173.592 174.318 1.00 23.30 ATOM 162 CB ARG n 18 169.201 170.880 175.246 1.00 22.18 ATOM 163 CG ARG n 18 168.300 169.781 174.741 1.00 22.36 ATOM 164 CD ARG n 18 166.944 169.861 175.409 1.00 22.24 ATOM 165 NE ARG n 18 166.800 168.920 176.517 1.00 25.08 ATOM 166 CZ ARG n 18 167.102 169.207 177.777 1.00 22.48 ATOM 167 NH1 ARG n 18 167.556 170.411 178.089 1.00 22.77 ATOM 168 NH2 ARG n 18 166.938 168.300 178.726 1.00 16.23 ATOM 169 N HIS n 19 171.932 172.360 175.831 1.00 25.09 ATOM 170 CA HIS n 19 172.614 173.539 176.359 1.00 25.69 ATOM 171 C HIS n 19 173.525 174.174 175.310 1.00 24.53 ATOM 172 O HIS n 19 173.551 175.400 175.169 1.00 23.59 ATOM 173 CB HIS n 19 173.400 173.166 177.613 1.00 26.44 ATOM 174 CG HIS n 19 174.271 174.264 178.133 1.00 27.19 ATOM 175 ND1 HIS n 19 175.581 174.061 178.505 1.00 29.26 ATOM 176 CD2 HIS n 19 174.013 175.572 178.364 1.00 29.34 ATOM 177 CE1 HIS n 19 176.095 175.199 178.935 1.00 27.86 ATOM 178 NE2 HIS n 19 175.164 176.132 178.859 1.00 27.98 ATOM 179 N MET n 20 174.271 173.362 174.556 1.00 31.10 ATOM 180 CA MET n 20 175.162 173.930 173.544 1.00 29.99 ATOM 181 C MET n 20 174.387 174.579 172.405 1.00 29.91 ATOM 182 O MET n 20 174.805 175.617 171.878 1.00 26.18 ATOM 183 CB MET n 20 176.110 172.866 172.996 1.00 24.55 ATOM 184 CG MET n 20 177.390 172.745 173.782 1.00 28.44 ATOM 185 SD MET n 20 178.499 174.126 173.440 1.00 43.77 ATOM 186 CE MET n 20 178.553 174.076 171.654 1.00 29.30 ATOM 187 N LYS n 21 173.269 173.982 171.995 1.00 30.46 ATOM 188 CA LYS n 21 172.456 174.600 170.957 1.00 26.05 ATOM 189 C LYS n 21 171.712 175.830 171.454 1.00 28.52 ATOM 190 O LYS n 21 171.273 176.640 170.632 1.00 26.84 ATOM 191 CB LYS n 21 171.456 173.595 170.386 1.00 26.12 ATOM 192 CG LYS n 21 171.193 173.797 168.916 1.00 25.14 ATOM 193 CD LYS n 21 170.560 172.580 168.280 1.00 24.79 ATOM 194 CE LYS n 21 169.057 172.668 168.324 1.00 28.59 ATOM 195 NZ LYS n 21 168.435 171.721 167.367 1.00 27.39 ATOM 196 N ALA n 22 171.550 175.986 172.771 1.00 32.35 ATOM 197 CA ALA n 22 170.916 177.196 173.292 1.00 30.44 ATOM 198 C ALA n 22 171.708 178.444 172.919 1.00 29.62 ATOM 199 O ALA n 22 171.121 179.469 172.553 1.00 31.59 ATOM 200 CB ALA n 22 170.752 177.100 174.807 1.00 30.78 ATOM 201 N ARG n 23 173.036 178.388 173.014 1.00 27.49 ATOM 202 CA ARG n 23 173.861 179.474 172.500 1.00 28.62 ATOM 203 C ARG n 23 173.682 179.584 170.992 1.00 32.23 ATOM 204 O ARG n 23 173.821 178.592 170.270 1.00 34.30 ATOM 205 CB ARG n 23 175.335 179.265 172.839 1.00 29.98 ATOM 206 CG ARG n 23 175.638 178.642 174.187 1.00 30.40 ATOM 207 CD ARG n 23 177.050 178.078 174.185 1.00 28.38 ATOM 208 NE ARG n 23 178.056 179.139 174.165 1.00 33.48 ATOM 209 CZ ARG n 23 178.991 179.327 175.093 1.00 31.53 ATOM 210 NH1 ARG n 23 179.068 178.525 176.145 1.00 30.15 ATOM 211 NH2 ARG n 23 179.853 180.325 174.965 1.00 27.26 ATOM 212 N SER n 24 173.386 180.790 170.519 1.00 32.06 ATOM 213 CA SER n 24 173.068 181.042 169.113 1.00 31.71 ATOM 214 C SER n 24 171.886 180.200 168.649 1.00 31.23 ATOM 215 O SER n 24 170.769 180.350 169.146 1.00 31.56 ATOM 216 CB SER n 24 174.282 180.780 168.217 1.00 33.33 ATOM 217 OG SER n 24 174.787 179.465 168.384 1.00 31.83 ATOM 218 K K n1557 169.149 152.618 192.064 1.00 14.18 ATOM 219 K K n1559 171.677 149.183 192.497 1.00 38.32 ATOM 220 K K n1586 165.741 154.312 184.661 1.00 15.29 ATOM 221 K K n1587 166.753 150.078 181.899 1.00 23.16 TER