HEADER OXIDOREDUCTASE 31-DEC-69 3ZFS TITLE Cryo-EM structure of the F420-reducing NiFe-hydrogenase from a TITLE 2 methanogenic archaeon with bound substrate COMPND MOL_ID: 2; COMPND 2 MOLECULE: F420-REDUCING HYDROGENASE, SUBUNIT GAMMA; COMPND 3 CHAIN: B; COMPND 4 EC: 1.12.98.1; COMPND 5 FRHG CONTAINS THREE 4FE4S CLUSTERS; EXPDTA ELECTRON MICROSCOPY DBREF 3ZFS B 1 275 UNP D9PYF7 D9PYF7_METT 1 275 SEQRES 1 B 63 LEU GLN THR LYS VAL VAL ASN GLN GLY LEU CYS ILE GLY SEQRES 2 B 63 CYS GLY THR CYS ALA MET ALA CYS GLN THR ARG ALA LEU SEQRES 3 B 63 ASP MET THR ASN GLY ARG PRO GLU LEU ASN SER ASP ARG SEQRES 4 B 63 CYS ILE LYS CYS GLY ILE CYS TYR VAL GLN CYS PRO ARG SEQRES 5 B 63 SER TRP TRP PRO GLU GLU GLN ILE LYS LYS GLU ATOM 1 CA LEU B 210 160.583 107.516 200.250 1.00 30.00 ATOM 2 CA GLN B 211 162.560 108.791 198.663 1.00 30.00 ATOM 3 CA THR B 212 164.276 112.134 198.147 1.00 30.00 ATOM 4 CA LYS B 213 164.801 112.346 195.400 1.00 6.84 ATOM 5 CA VAL B 214 165.841 108.700 194.999 1.00 6.80 ATOM 6 CA VAL B 215 169.034 106.675 195.265 1.00 6.73 ATOM 7 CA ASN B 216 170.594 103.843 193.283 1.00 6.17 ATOM 8 CA GLN B 217 174.157 103.661 194.586 1.00 9.23 ATOM 9 CA GLY B 218 175.010 101.451 191.619 1.00 12.09 ATOM 10 CA LEU B 219 173.278 98.298 190.417 1.00 12.07 ATOM 11 CA CYS B 220 171.384 100.478 187.940 1.00 8.17 ATOM 12 CA ILE B 221 170.061 99.144 184.630 1.00 8.54 ATOM 13 CA GLY B 222 170.357 102.459 182.797 1.00 9.00 ATOM 14 CA CYS B 223 167.076 101.616 181.087 1.00 11.78 ATOM 15 CA GLY B 224 165.569 104.924 182.183 1.00 10.78 ATOM 16 CA THR B 225 162.375 103.149 183.193 1.00 9.21 ATOM 17 CA CYS B 226 162.316 105.629 186.082 1.00 8.05 ATOM 18 CA ALA B 227 161.776 108.660 183.846 1.00 10.97 ATOM 19 CA MET B 228 158.727 106.936 182.362 1.00 13.25 ATOM 20 CA ALA B 229 155.515 106.879 184.401 1.00 13.22 ATOM 21 CA CYS B 230 156.193 109.809 186.730 1.00 10.65 ATOM 22 CA GLN B 231 152.654 111.136 187.011 1.00 11.48 ATOM 23 CA THR B 232 154.144 114.621 187.303 1.00 12.79 ATOM 24 CA ARG B 233 156.122 114.133 184.092 1.00 15.89 ATOM 25 CA ALA B 234 158.634 116.542 185.634 1.00 12.93 ATOM 26 CA LEU B 235 161.478 114.034 185.822 1.00 10.85 ATOM 27 CA ASP B 236 164.535 114.722 183.669 1.00 10.83 ATOM 28 CA MET B 237 166.248 111.846 181.884 1.00 14.44 ATOM 29 CA THR B 238 170.010 112.025 181.465 1.00 12.63 ATOM 30 CA ASN B 239 172.985 109.726 181.249 1.00 12.87 ATOM 31 CA GLY B 240 172.784 107.843 184.539 1.00 11.39 ATOM 32 CA ARG B 241 170.468 109.543 187.068 1.00 8.66 ATOM 33 CA PRO B 242 167.733 111.703 185.584 1.00 7.97 ATOM 34 CA GLU B 243 167.637 114.663 187.943 1.00 9.75 ATOM 35 CA LEU B 244 164.442 116.676 188.405 1.00 12.66 ATOM 36 CA ASN B 245 163.151 120.136 189.091 1.00 30.00 ATOM 37 CA SER B 246 162.612 120.181 192.856 1.00 13.80 ATOM 38 CA ASP B 247 158.872 120.932 193.085 1.00 17.19 ATOM 39 CA ARG B 248 157.614 118.907 190.097 1.00 12.31 ATOM 40 CA CYS B 249 156.921 115.585 191.866 1.00 10.76 ATOM 41 CA ILE B 250 154.549 114.740 194.723 1.00 11.00 ATOM 42 CA LYS B 251 156.847 113.083 195.074 1.00 11.46 ATOM 43 CA CYS B 252 154.657 110.201 193.876 1.00 10.84 ATOM 44 CA GLY B 253 156.601 107.081 194.838 1.00 11.60 ATOM 45 CA ILE B 254 155.885 106.283 191.188 1.00 12.52 ATOM 46 CA CYS B 255 159.534 106.323 190.073 1.00 9.14 ATOM 47 CA TYR B 256 160.660 103.245 191.987 1.00 10.61 ATOM 48 CA VAL B 257 159.164 100.465 189.938 1.00 13.65 ATOM 49 CA GLN B 258 162.373 100.047 187.990 1.00 10.96 ATOM 50 CA CYS B 259 164.853 97.401 186.878 1.00 8.71 ATOM 51 CA PRO B 260 165.816 97.009 190.534 1.00 11.16 ATOM 52 CA ARG B 261 162.972 96.310 192.927 1.00 12.20 ATOM 53 CA SER B 262 162.105 92.862 194.132 1.00 10.02 ATOM 54 CA TRP B 263 161.835 91.443 190.635 1.00 7.15 ATOM 55 CA TRP B 264 158.649 89.890 189.412 1.00 1.00 ATOM 56 CA PRO B 265 159.096 86.386 188.075 1.00 1.00 ATOM 57 CA GLU B 266 155.464 86.416 187.017 1.00 1.00 ATOM 58 CA GLU B 267 155.471 89.212 184.450 1.00 1.00 ATOM 59 CA GLN B 268 157.605 87.009 182.209 1.00 1.00 ATOM 60 CA ILE B 269 155.226 84.115 182.835 1.00 1.00 ATOM 61 CA LYS B 270 152.301 86.351 181.895 1.00 1.00 ATOM 62 CA LYS B 271 154.115 87.316 178.699 1.00 1.00 ATOM 63 CA GLU B 272 154.690 83.644 177.894 1.00 30.00 ATOM 64 FE1 SF4 B 301 157.267 109.722 191.364 1.00 20.00 ATOM 65 FE2 SF4 B 301 157.739 112.207 192.356 1.00 20.00 ATOM 66 FE3 SF4 B 301 158.422 111.610 189.796 1.00 20.00 ATOM 67 FE4 SF4 B 301 159.813 110.522 191.864 1.00 20.00 ATOM 68 S1 SF4 B 301 159.716 112.756 191.316 1.00 20.00 ATOM 69 S2 SF4 B 301 159.082 109.414 189.983 1.00 20.00 ATOM 70 S3 SF4 B 301 158.155 110.214 193.429 1.00 20.00 ATOM 71 S4 SF4 B 301 156.287 111.678 190.651 1.00 20.00 ATOM 72 FE1 SF4 B 302 166.622 101.803 186.353 1.00 20.00 ATOM 73 FE2 SF4 B 302 165.945 103.360 184.231 1.00 20.00 ATOM 74 FE3 SF4 B 302 168.404 103.590 185.361 1.00 20.00 ATOM 75 FE4 SF4 B 302 166.205 104.463 186.700 1.00 20.00 ATOM 76 S1 SF4 B 302 167.030 105.325 184.732 1.00 20.00 ATOM 77 S2 SF4 B 302 167.937 103.233 187.585 1.00 20.00 ATOM 78 S3 SF4 B 302 164.627 102.914 186.063 1.00 20.00 ATOM 79 S4 SF4 B 302 167.582 101.743 184.263 1.00 20.00 TER