0.005492 0.000000 0.000000 0.000000 0.005492 0.000000 0.000000 0.000000 0.005492 0.00000 0.00000 0.00000 6 6 2.3103 1.0201 1.5888 0.8651 20.8439 10.2075 0.5687 51.6512 0.2156 48 48 19.2218 17.6447 4.4611 1.6029 0.5946 6.9089 24.7008 87.4825 4.9843 17 17 11.4601 7.1962 6.2554 1.6455 0.0104 1.1662 18.5194 47.7784 -9.2115 1 1 0.4930 0.3229 0.1402 0.0408 10.5109 26.1257 3.1424 57.7997 0.0030 7 7 12.2220 3.1346 2.0141 1.1672 0.0057 9.8933 28.9975 0.5826 -11.5379 8 8 3.0487 2.2870 1.5464 0.8671 13.2771 5.7011 0.3239 32.9089 0.2508 16 16 6.9054 5.2035 1.4379 1.5863 1.4679 22.2151 0.2536 56.1720 1.1842 Maity, B. Tian, J. Abe, S. Ueno, T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 96 90.000 90.000 90.000 182.084 182.084 182.084 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking Cd 2 112.411 CADMIUM ION non-polymer Cl -1 35.453 CHLORIDE ION non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C2 H6 O2 62.068 1,2-ETHANEDIOL ETHYLENE GLYCOL non-polymer C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking O4 S -2 96.063 SULFATE ION non-polymer C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N CD N 75 N CL N 76 N N N 77 R C N 78 N C N 79 N O N 80 N C N 81 N S N 82 N O N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N C N 91 N O N 92 N C N 93 N O N 94 N H N 95 N H N 96 N H N 97 N H N 98 N H N 99 N H N 100 N N N 101 S C N 102 N C N 103 N O N 104 N C N 105 N C N 106 N C N 107 N O N 108 N N N 109 N O N 110 N H N 111 N H N 112 N H N 113 N H N 114 N H N 115 N H N 116 N H N 117 N H N 118 N H N 119 N H N 120 N N N 121 S C N 122 N C N 123 N O N 124 N C N 125 N C N 126 N C N 127 N O N 128 N O N 129 N O N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N N N 140 N C N 141 N C N 142 N O N 143 N O N 144 N H N 145 N H N 146 N H N 147 N H N 148 N H N 149 N N N 150 S C N 151 N C N 152 N O N 153 N C Y 154 N C Y 155 N N Y 156 N C Y 157 N C Y 158 N N N 159 N O N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N O N 171 N H N 172 N H N 173 N N N 174 S C N 175 N C N 176 N O N 177 S C N 178 N C N 179 N C N 180 N C N 181 N O N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N N N 196 S C N 197 N C N 198 N O N 199 N C N 200 N C N 201 N C N 202 N C N 203 N O N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N N N 218 S C N 219 N C N 220 N O N 221 N C N 222 N C N 223 N C N 224 N C N 225 N N N 226 N O N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N N N 243 S C N 244 N C N 245 N O N 246 N C N 247 N C N 248 N S N 249 N C N 250 N O N 251 N H N 252 N H N 253 N H N 254 N H N 255 N H N 256 N H N 257 N H N 258 N H N 259 N H N 260 N H N 261 N H N 262 N N N 263 S C N 264 N C N 265 N O N 266 N C Y 267 N C Y 268 N C Y 269 N C Y 270 N C Y 271 N C Y 272 N C N 273 N O N 274 N H N 275 N H N 276 N H N 277 N H N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N N N 286 S C N 287 N C N 288 N O N 289 N C N 290 N C N 291 N C N 292 N O N 293 N H N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N N N 303 S C N 304 N C N 305 N O N 306 N C N 307 N O N 308 N O N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N S N 317 N O N 318 N O N 319 N O N 320 N O N 321 N N N 322 S C N 323 N C N 324 N O N 325 R C N 326 N O N 327 N C N 328 N O N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N N N 339 S C N 340 N C N 341 N O N 342 N C Y 343 N C Y 344 N C Y 345 N C Y 346 N N Y 347 N C Y 348 N C Y 349 N C Y 350 N C Y 351 N C N 352 N O N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N N N 366 S C N 367 N C N 368 N O N 369 N C Y 370 N C Y 371 N C Y 372 N C Y 373 N C Y 374 N C Y 375 N C N 376 N O N 377 N O N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 N H N 389 N N N 390 S C N 391 N C N 392 N O N 393 N C N 394 N C N 395 N C N 396 N O N 397 N H N 398 N H N 399 N H N 400 N H N 401 N H N 402 N H N 403 N H N 404 N H N 405 N H N 406 N H N 407 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N doub N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N doub N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N doub N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N doub N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N doub N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N doub N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N doub N 145 N sing N 146 N sing N 147 N sing N 148 N sing Y 149 N sing Y 150 N doub Y 151 N doub N 152 N sing Y 153 N sing N 154 N sing Y 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N doub N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N doub N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N doub N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N doub N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N doub N 253 N sing N 254 N sing N 255 N sing N 256 N sing Y 257 N doub Y 258 N sing Y 259 N sing N 260 N sing Y 261 N doub N 262 N sing Y 263 N doub N 264 N sing Y 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N doub N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N sing N 282 N sing N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N doub N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N doub N 300 N doub N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N doub N 310 N sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N doub N 326 N sing N 327 N sing N 328 N sing N 329 N sing Y 330 N doub Y 331 N sing Y 332 N sing N 333 N sing Y 334 N doub Y 335 N sing Y 336 N sing N 337 N sing Y 338 N sing Y 339 N doub N 340 N sing Y 341 N doub N 342 N sing Y 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N doub N 354 N sing N 355 N sing N 356 N sing N 357 N sing Y 358 N doub Y 359 N sing Y 360 N sing N 361 N sing Y 362 N doub N 363 N sing Y 364 N doub N 365 N sing Y 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing N 376 N sing N 377 N doub N 378 N sing N 379 N sing N 380 N sing N 381 N sing N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing US Cryst.Growth Des. 1528-7505 23 7448 7458 10.1021/acs.cgd.3c00880 Atomic-Level Insights into a Unique Semi-Clathrate Hydrate Formed in a Confined Environment of Porous Protein Crystal. 2023 10.2210/pdb8j11/pdb pdb_00008j11 273.15 1 N PIXEL 2022-11-04 RIGAKU HyPix-6000HE SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU FR-E DW 19872.428 Ferritin light chain 1 man polymer 62.068 1,2-ETHANEDIOL 1 syn non-polymer 96.063 SULFATE ION 2 syn non-polymer 112.411 CADMIUM ION 4 syn non-polymer 35.453 CHLORIDE ION 1 syn non-polymer 18.015 water 142 nat water Ferritin L subunit no no SSQIRQNYSTEVEAAVNRLVNLYLRASYTYLSLGFYFDRDDVALEGVCHFFRELAEEKREGAERLLKMQNQRGGRALFQD LQKPSQDEWGTTLDAMKAAIVLEKSLNQALLDLHALGSAQADPHLCDFLESHFLDEEVKLIKKMGDHLTNIQRLVGSQAG LGEYLFERLTLKHD SSQIRQNYSTEVEAAVNRLVNLYLRASYTYLSLGFYFDRDDVALEGVCHFFRELAEEKREGAERLLKMQNQRGGRALFQD LQKPSQDEWGTTLDAMKAAIVLEKSLNQALLDLHALGSAQADPHLCDFLESHFLDEEVKLIKKMGDHLTNIQRLVGSQAG LGEYLFERLTLKHD X polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n horse sample 1 174 FTL 9796 Equus caballus 562 Escherichia coli Biological sequence 1 3.16 61.13 VAPOR DIFFUSION, HANGING DROP 8.0 Ammonium sulfate (0.5-1.0M), Cadmium sulfate(12-20mM) 293.15 chem_comp_atom chem_comp_bond citation citation_author repository Initial release Data collection Database references 1 0 2023-05-03 1 1 2023-11-15 _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.title _citation.year Japan Japan Society for the Promotion of Science (JSPS) tueno@bio.titech.ac.jp 0000-0001-9219-0726 Takafumi Ueno principal investigator/group leader N PDBJ Y PDBJ 2023-04-12 REL REL EDO 1,2-ETHANEDIOL SO4 SULFATE ION CD CADMIUM ION CL CHLORIDE ION HOH water N 2DAT PDB experimental model EDO 201 2 EDO EDO 201 X SO4 1 3 SO4 SO4 202 X SO4 2 3 SO4 SO4 203 X CD 1 4 CD CD 204 X CD 2 4 CD CD 205 X CD 3 4 CD CD 206 X CD 4 4 CD CD 207 X CL 1 5 CL CL 208 X HOH 134 6 HOH HOH 301 X HOH 71 6 HOH HOH 302 X HOH 79 6 HOH HOH 303 X HOH 61 6 HOH HOH 304 X HOH 44 6 HOH HOH 305 X HOH 112 6 HOH HOH 306 X HOH 125 6 HOH HOH 307 X HOH 82 6 HOH HOH 308 X HOH 77 6 HOH HOH 309 X HOH 22 6 HOH HOH 310 X HOH 89 6 HOH HOH 311 X HOH 76 6 HOH HOH 312 X HOH 62 6 HOH HOH 313 X HOH 17 6 HOH HOH 314 X HOH 56 6 HOH HOH 315 X HOH 90 6 HOH HOH 316 X HOH 30 6 HOH HOH 317 X HOH 2 6 HOH HOH 318 X HOH 46 6 HOH HOH 319 X HOH 8 6 HOH HOH 320 X HOH 41 6 HOH HOH 321 X HOH 36 6 HOH HOH 322 X HOH 137 6 HOH HOH 323 X HOH 21 6 HOH HOH 324 X HOH 48 6 HOH HOH 325 X HOH 72 6 HOH HOH 326 X HOH 78 6 HOH HOH 327 X HOH 33 6 HOH HOH 328 X HOH 14 6 HOH HOH 329 X HOH 84 6 HOH HOH 330 X HOH 5 6 HOH HOH 331 X HOH 119 6 HOH HOH 332 X HOH 116 6 HOH HOH 333 X HOH 130 6 HOH HOH 334 X HOH 105 6 HOH HOH 335 X HOH 28 6 HOH HOH 336 X HOH 95 6 HOH HOH 337 X HOH 10 6 HOH HOH 338 X HOH 6 6 HOH HOH 339 X HOH 97 6 HOH HOH 340 X HOH 65 6 HOH HOH 341 X HOH 3 6 HOH HOH 342 X HOH 7 6 HOH HOH 343 X HOH 16 6 HOH HOH 344 X HOH 23 6 HOH HOH 345 X HOH 3 6 HOH HOH 346 X HOH 40 6 HOH HOH 347 X HOH 67 6 HOH HOH 348 X HOH 19 6 HOH HOH 349 X HOH 63 6 HOH HOH 350 X HOH 5 6 HOH HOH 351 X HOH 1 6 HOH HOH 352 X HOH 52 6 HOH HOH 353 X HOH 18 6 HOH HOH 354 X HOH 38 6 HOH HOH 355 X HOH 111 6 HOH HOH 356 X HOH 12 6 HOH HOH 357 X HOH 26 6 HOH HOH 358 X HOH 128 6 HOH HOH 359 X HOH 27 6 HOH HOH 360 X HOH 121 6 HOH HOH 361 X HOH 32 6 HOH HOH 362 X HOH 115 6 HOH HOH 363 X HOH 37 6 HOH HOH 364 X HOH 122 6 HOH HOH 365 X HOH 35 6 HOH HOH 366 X HOH 31 6 HOH HOH 367 X HOH 20 6 HOH HOH 368 X HOH 45 6 HOH HOH 369 X HOH 88 6 HOH HOH 370 X HOH 42 6 HOH HOH 371 X HOH 51 6 HOH HOH 372 X HOH 9 6 HOH HOH 373 X HOH 60 6 HOH HOH 374 X HOH 53 6 HOH HOH 375 X HOH 93 6 HOH HOH 376 X HOH 136 6 HOH HOH 377 X HOH 75 6 HOH HOH 378 X HOH 109 6 HOH HOH 379 X HOH 25 6 HOH HOH 380 X HOH 50 6 HOH HOH 381 X HOH 39 6 HOH HOH 382 X HOH 70 6 HOH HOH 383 X HOH 58 6 HOH HOH 384 X HOH 4 6 HOH HOH 385 X HOH 99 6 HOH HOH 386 X HOH 106 6 HOH HOH 387 X HOH 69 6 HOH HOH 388 X HOH 66 6 HOH HOH 389 X HOH 11 6 HOH HOH 390 X HOH 102 6 HOH HOH 391 X HOH 80 6 HOH HOH 392 X HOH 73 6 HOH HOH 393 X HOH 110 6 HOH HOH 394 X HOH 129 6 HOH HOH 395 X HOH 103 6 HOH HOH 396 X HOH 43 6 HOH HOH 397 X HOH 124 6 HOH HOH 398 X HOH 55 6 HOH HOH 399 X HOH 131 6 HOH HOH 400 X HOH 24 6 HOH HOH 401 X HOH 15 6 HOH HOH 402 X HOH 29 6 HOH HOH 403 X HOH 132 6 HOH HOH 404 X HOH 117 6 HOH HOH 405 X HOH 59 6 HOH HOH 406 X HOH 64 6 HOH HOH 407 X HOH 85 6 HOH HOH 408 X HOH 87 6 HOH HOH 409 X HOH 120 6 HOH HOH 410 X HOH 126 6 HOH HOH 411 X HOH 86 6 HOH HOH 412 X HOH 96 6 HOH HOH 413 X HOH 68 6 HOH HOH 414 X HOH 54 6 HOH HOH 415 X HOH 123 6 HOH HOH 416 X HOH 83 6 HOH HOH 417 X HOH 94 6 HOH HOH 418 X HOH 92 6 HOH HOH 419 X HOH 108 6 HOH HOH 420 X HOH 47 6 HOH HOH 421 X HOH 118 6 HOH HOH 422 X HOH 113 6 HOH HOH 423 X HOH 81 6 HOH HOH 424 X HOH 74 6 HOH HOH 425 X HOH 98 6 HOH HOH 426 X HOH 13 6 HOH HOH 427 X HOH 127 6 HOH HOH 428 X HOH 135 6 HOH HOH 429 X HOH 114 6 HOH HOH 430 X HOH 57 6 HOH HOH 431 X HOH 2 6 HOH HOH 432 X HOH 107 6 HOH HOH 433 X HOH 4 6 HOH HOH 434 X HOH 34 6 HOH HOH 435 X HOH 104 6 HOH HOH 436 X HOH 101 6 HOH HOH 437 X HOH 100 6 HOH HOH 438 X HOH 91 6 HOH HOH 439 X HOH 49 6 HOH HOH 440 X HOH 133 6 HOH HOH 441 X HOH 1 6 HOH HOH 442 X SER 1 n 1 SER 1 X SER 2 n 2 SER 2 X GLN 3 n 3 GLN 3 X ILE 4 n 4 ILE 4 X ARG 5 n 5 ARG 5 X GLN 6 n 6 GLN 6 X ASN 7 n 7 ASN 7 X TYR 8 n 8 TYR 8 X SER 9 n 9 SER 9 X THR 10 n 10 THR 10 X GLU 11 n 11 GLU 11 X VAL 12 n 12 VAL 12 X GLU 13 n 13 GLU 13 X ALA 14 n 14 ALA 14 X ALA 15 n 15 ALA 15 X VAL 16 n 16 VAL 16 X ASN 17 n 17 ASN 17 X ARG 18 n 18 ARG 18 X LEU 19 n 19 LEU 19 X VAL 20 n 20 VAL 20 X ASN 21 n 21 ASN 21 X LEU 22 n 22 LEU 22 X TYR 23 n 23 TYR 23 X LEU 24 n 24 LEU 24 X ARG 25 n 25 ARG 25 X ALA 26 n 26 ALA 26 X SER 27 n 27 SER 27 X TYR 28 n 28 TYR 28 X THR 29 n 29 THR 29 X TYR 30 n 30 TYR 30 X LEU 31 n 31 LEU 31 X SER 32 n 32 SER 32 X LEU 33 n 33 LEU 33 X GLY 34 n 34 GLY 34 X PHE 35 n 35 PHE 35 X TYR 36 n 36 TYR 36 X PHE 37 n 37 PHE 37 X ASP 38 n 38 ASP 38 X ARG 39 n 39 ARG 39 X ASP 40 n 40 ASP 40 X ASP 41 n 41 ASP 41 X VAL 42 n 42 VAL 42 X ALA 43 n 43 ALA 43 X LEU 44 n 44 LEU 44 X GLU 45 n 45 GLU 45 X GLY 46 n 46 GLY 46 X VAL 47 n 47 VAL 47 X CYS 48 n 48 CYS 48 X HIS 49 n 49 HIS 49 X PHE 50 n 50 PHE 50 X PHE 51 n 51 PHE 51 X ARG 52 n 52 ARG 52 X GLU 53 n 53 GLU 53 X LEU 54 n 54 LEU 54 X ALA 55 n 55 ALA 55 X GLU 56 n 56 GLU 56 X GLU 57 n 57 GLU 57 X LYS 58 n 58 LYS 58 X ARG 59 n 59 ARG 59 X GLU 60 n 60 GLU 60 X GLY 61 n 61 GLY 61 X ALA 62 n 62 ALA 62 X GLU 63 n 63 GLU 63 X ARG 64 n 64 ARG 64 X LEU 65 n 65 LEU 65 X LEU 66 n 66 LEU 66 X LYS 67 n 67 LYS 67 X MET 68 n 68 MET 68 X GLN 69 n 69 GLN 69 X ASN 70 n 70 ASN 70 X GLN 71 n 71 GLN 71 X ARG 72 n 72 ARG 72 X GLY 73 n 73 GLY 73 X GLY 74 n 74 GLY 74 X ARG 75 n 75 ARG 75 X ALA 76 n 76 ALA 76 X LEU 77 n 77 LEU 77 X PHE 78 n 78 PHE 78 X GLN 79 n 79 GLN 79 X ASP 80 n 80 ASP 80 X LEU 81 n 81 LEU 81 X GLN 82 n 82 GLN 82 X LYS 83 n 83 LYS 83 X PRO 84 n 84 PRO 84 X SER 85 n 85 SER 85 X GLN 86 n 86 GLN 86 X ASP 87 n 87 ASP 87 X GLU 88 n 88 GLU 88 X TRP 89 n 89 TRP 89 X GLY 90 n 90 GLY 90 X THR 91 n 91 THR 91 X THR 92 n 92 THR 92 X LEU 93 n 93 LEU 93 X ASP 94 n 94 ASP 94 X ALA 95 n 95 ALA 95 X MET 96 n 96 MET 96 X LYS 97 n 97 LYS 97 X ALA 98 n 98 ALA 98 X ALA 99 n 99 ALA 99 X ILE 100 n 100 ILE 100 X VAL 101 n 101 VAL 101 X LEU 102 n 102 LEU 102 X GLU 103 n 103 GLU 103 X LYS 104 n 104 LYS 104 X SER 105 n 105 SER 105 X LEU 106 n 106 LEU 106 X ASN 107 n 107 ASN 107 X GLN 108 n 108 GLN 108 X ALA 109 n 109 ALA 109 X LEU 110 n 110 LEU 110 X LEU 111 n 111 LEU 111 X ASP 112 n 112 ASP 112 X LEU 113 n 113 LEU 113 X HIS 114 n 114 HIS 114 X ALA 115 n 115 ALA 115 X LEU 116 n 116 LEU 116 X GLY 117 n 117 GLY 117 X SER 118 n 118 SER 118 X ALA 119 n 119 ALA 119 X GLN 120 n 120 GLN 120 X ALA 121 n 121 ALA 121 X ASP 122 n 122 ASP 122 X PRO 123 n 123 PRO 123 X HIS 124 n 124 HIS 124 X LEU 125 n 125 LEU 125 X CYS 126 n 126 CYS 126 X ASP 127 n 127 ASP 127 X PHE 128 n 128 PHE 128 X LEU 129 n 129 LEU 129 X GLU 130 n 130 GLU 130 X SER 131 n 131 SER 131 X HIS 132 n 132 HIS 132 X PHE 133 n 133 PHE 133 X LEU 134 n 134 LEU 134 X ASP 135 n 135 ASP 135 X GLU 136 n 136 GLU 136 X GLU 137 n 137 GLU 137 X VAL 138 n 138 VAL 138 X LYS 139 n 139 LYS 139 X LEU 140 n 140 LEU 140 X ILE 141 n 141 ILE 141 X LYS 142 n 142 LYS 142 X LYS 143 n 143 LYS 143 X MET 144 n 144 MET 144 X GLY 145 n 145 GLY 145 X ASP 146 n 146 ASP 146 X HIS 147 n 147 HIS 147 X LEU 148 n 148 LEU 148 X THR 149 n 149 THR 149 X ASN 150 n 150 ASN 150 X ILE 151 n 151 ILE 151 X GLN 152 n 152 GLN 152 X ARG 153 n 153 ARG 153 X LEU 154 n 154 LEU 154 X VAL 155 n 155 VAL 155 X GLY 156 n 156 GLY 156 X SER 157 n 157 SER 157 X GLN 158 n 158 GLN 158 X ALA 159 n 159 ALA 159 X GLY 160 n 160 GLY 160 X LEU 161 n 161 LEU 161 X GLY 162 n 162 GLY 162 X GLU 163 n 163 GLU 163 X TYR 164 n 164 TYR 164 X LEU 165 n 165 LEU 165 X PHE 166 n 166 PHE 166 X GLU 167 n 167 GLU 167 X ARG 168 n 168 ARG 168 X LEU 169 n 169 LEU 169 X THR 170 n 170 THR 170 X LEU 171 n 171 LEU 171 X ALA 172 n 172 LYS 172 X HIS 173 n 173 HIS 173 X n 174 174 X author_and_software_defined_assembly PISA 24 24-meric Size exclusion chromatography native gel electrophoresis 95180 -550 139120 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD2 ASP 80 1_555 57.8 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD1 ASP 80 1_555 0.0 X ASP 80 A OD2 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD1 ASP 80 1_555 57.8 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD2 ASP 80 1_555 57.8 X ASP 80 A OD2 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD2 ASP 80 1_555 0.0 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 1_555 X ASP 80 A OD2 ASP 80 1_555 57.8 X ASP 127 B A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 X ASP 127 B A OD1 ASP 127 1_555 0.0 X ASP 127 B A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 1_555 69.6 X ASP 127 B A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 1_555 69.6 X ASP 127 B A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 82_445 156.3 X ASP 127 B A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 82_445 156.3 X HOH 312 J O HOH 1_555 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 82_445 86.7 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 X GLU 130 A OE1 GLU 130 1_555 0.0 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 1_555 77.0 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 1_555 77.0 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 31_545 79.0 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 31_545 79.0 X HOH 363 J O HOH 1_555 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 31_545 85.3 X HIS 132 A NE2 HIS 132 1_555 X CD 207 H CD CD 1_555 X HOH 422 J O HOH 1_555 93.6 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 2_545 -x,-y-1,z crystal symmetry operation 0.0000000000 -182.0840000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 3_555 -x,y,-z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 4_545 x,-y-1,-z crystal symmetry operation 0.0000000000 -182.0840000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 21_555 z,y,-x crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 22_545 z,-y-1,x crystal symmetry operation 0.0000000000 -182.0840000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 23_555 -z,y,x crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 24_545 -z,-y-1,-x crystal symmetry operation 0.0000000000 -182.0840000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 29_545 z,x-1/2,y+1/2 crystal symmetry operation 0.0000000000 -91.0420000000 91.0420000000 0.0000000000 0.0000000000 1.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 30_544 z,-x-1/2,-y-1/2 crystal symmetry operation 0.0000000000 -91.0420000000 -91.0420000000 0.0000000000 0.0000000000 -1.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 31_545 -z,-x-1/2,y+1/2 crystal symmetry operation 0.0000000000 -91.0420000000 91.0420000000 0.0000000000 0.0000000000 -1.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 32_544 -z,x-1/2,-y-1/2 crystal symmetry operation 0.0000000000 -91.0420000000 -91.0420000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -1.0000000000 0.0000000000 41_544 x,z-1/2,-y-1/2 crystal symmetry operation 0.0000000000 -91.0420000000 -91.0420000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 42_545 -x,z-1/2,y+1/2 crystal symmetry operation 0.0000000000 -91.0420000000 91.0420000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 43_544 -x,-z-1/2,-y-1/2 crystal symmetry operation 0.0000000000 -91.0420000000 -91.0420000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 1.0000000000 0.0000000000 44_545 x,-z-1/2,y+1/2 crystal symmetry operation 0.0000000000 -91.0420000000 91.0420000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1.0000000000 0.0000000000 0.0000000000 81_545 y+1/2,z-1/2,x crystal symmetry operation 91.0420000000 -91.0420000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 -1.0000000000 0.0000000000 0.0000000000 82_445 -y-1/2,z-1/2,-x crystal symmetry operation -91.0420000000 -91.0420000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 -1.0000000000 0.0000000000 0.0000000000 83_545 y+1/2,-z-1/2,-x crystal symmetry operation 91.0420000000 -91.0420000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 1.0000000000 0.0000000000 0.0000000000 84_445 -y-1/2,-z-1/2,x crystal symmetry operation -91.0420000000 -91.0420000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 85_545 y+1/2,x-1/2,-z crystal symmetry operation 91.0420000000 -91.0420000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 86_445 -y-1/2,-x-1/2,-z crystal symmetry operation -91.0420000000 -91.0420000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 87_545 y+1/2,-x-1/2,z crystal symmetry operation 91.0420000000 -91.0420000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 88_445 -y-1/2,x-1/2,z crystal symmetry operation -91.0420000000 -91.0420000000 0.0000000000 1 X CD 204 E CD 1 X CD 205 F CD 1 X CD 206 G CD 1 X CG LYS 172 A CG LYS 172 1 Y 1 X CD LYS 172 A CD LYS 172 1 Y 1 X CE LYS 172 A CE LYS 172 1 Y 1 X NZ LYS 172 A NZ LYS 172 1 Y 1 X ASP 174 A ASP 174 1 Y 1 X X O O HOH HOH 400 404 2.17 1 X ARG 18 0.088 SIDE CHAIN 1 X ARG 39 0.078 SIDE CHAIN 1 3.98 0.50 120.30 124.28 X X X NE CZ NH1 ARG ARG ARG 75 75 75 N 1 -6.32 0.50 120.30 113.98 X X X NE CZ NH2 ARG ARG ARG 75 75 75 N 1 7.77 0.90 118.30 126.07 X X X CB CG OD2 ASP ASP ASP 80 80 80 N 1 -3.55 0.50 120.30 116.75 X X X NE CZ NH1 ARG ARG ARG 153 153 153 N 1 4.40 0.50 120.30 124.70 X X X NE CZ NH2 ARG ARG ARG 153 153 153 N 1 X X OD2 OD2 ASP ASP 80 80 2.11 1_555 13_555 1 X VAL 42 -122.22 -63.49 15.614 0.000 0.000 0.000 0.000 0.000 0.000 0.972 0.957 Hydrogens have been added in their riding positions 0.1864 0.1550 0.157 1.600 22.091 1738 32573 34311 5.065 99.045 1.542 0.050 1 FREE R-VALUE MOLECULAR REPLACEMENT 0.063 0.068 0.800 0.800 1.200 MASK BULK SOLVENT 1.600 22.091 142 1546 19 0 1385 0.011 0.012 1501 0.001 0.016 1428 1.648 1.647 2038 0.582 1.577 3289 4.948 5.000 196 7.155 5.000 14 14.731 10.000 278 17.234 10.000 82 0.089 0.200 224 0.009 0.020 1818 0.001 0.020 370 0.243 0.200 299 0.170 0.200 1137 0.186 0.200 721 0.074 0.200 821 0.173 0.200 75 0.017 0.200 1 0.196 0.200 7 0.308 0.200 14 0.140 0.200 75 0.122 0.200 33 0.211 0.200 8 1.729 1.308 715 1.708 1.307 715 2.637 2.331 898 2.637 2.338 899 3.947 1.807 786 3.843 1.781 779 6.111 3.076 1128 6.101 3.023 1117 7.527 15.757 1733 7.328 14.721 1701 0.316 0.287 0.289 1.642 120 2295 2501 0.927 0.930 20 96.5614 0.277 0.257 0.259 0.259 1.686 103 2269 2434 0.947 0.951 20 97.4528 0.244 0.246 0.242 0.242 1.735 125 2207 2373 0.954 0.957 20 98.2722 0.223 0.262 0.227 0.228 1.788 127 2155 2309 0.956 0.963 20 98.8307 0.206 0.225 0.205 0.206 1.846 115 2088 2219 0.964 0.971 20 99.2790 0.175 0.210 0.184 0.185 1.910 106 2043 2162 0.971 0.977 20 99.3987 0.154 0.184 0.178 0.178 1.982 100 1990 2105 0.976 0.979 20 99.2874 0.148 0.164 0.155 0.156 2.062 94 1916 2021 0.984 0.985 20 99.4557 0.125 0.189 0.137 0.140 2.153 93 1828 1937 0.981 0.988 20 99.1740 0.112 0.149 0.130 0.131 2.257 111 1755 1866 0.986 0.989 20 100.0000 0.108 0.161 0.120 0.122 2.378 87 1703 1790 0.984 0.991 20 100.0000 0.101 0.147 0.119 0.120 2.520 87 1591 1681 0.987 0.991 20 99.8215 0.097 0.170 0.125 0.127 2.692 72 1521 1602 0.983 0.991 20 99.4382 0.100 0.184 0.126 0.129 2.904 70 1421 1491 0.981 0.990 20 100.0000 0.104 0.191 0.134 0.137 3.175 67 1325 1392 0.979 0.989 20 100.0000 0.112 0.163 0.134 0.136 3.541 77 1197 1274 0.985 0.989 20 100.0000 0.116 0.163 0.121 0.124 4.072 76 1062 1139 0.984 0.991 20 99.9122 0.109 0.138 0.117 0.118 4.945 48 939 987 0.989 0.992 20 100.0000 0.108 0.233 0.175 0.178 6.824 44 757 801 0.974 0.983 20 100.0000 0.156 0.251 0.189 0.191 22.091 16 511 531 0.966 0.976 20 99.2467 0.184 1.60 22.091 8J11 34317 0.997 0.077 0.039 0.087 1 13.1 4.5 99.3 0.901 1.60 1.63 1619 0.460 0.622 1.102 1 96.7 refinement REFMAC 5.8.0403 data collection CrysalisPro v42 data reduction CrysalisPro v42 data scaling Aimless 0.7.9 phasing MOLREP 11.9.02 model building Coot 0.9.8.6 EL N Crystal structure of horse spleen L-ferritin at 0deg Celsius. 1 N N 2 N N 3 N N 3 N N 4 N N 4 N N 4 N N 4 N N 5 N N 6 N N X SER 9 A SER 9 HELX_P X ASP 38 A ASP 38 1 AA1 30 X LEU 44 A LEU 44 HELX_P X GLY 73 A GLY 73 1 AA2 30 X THR 91 A THR 91 HELX_P X GLN 120 A GLN 120 1 AA3 30 X ASP 122 A ASP 122 HELX_P X PHE 133 A PHE 133 1 AA4 12 X PHE 133 A PHE 133 HELX_P X GLN 158 A GLN 158 1 AA5 26 X GLN 158 A GLN 158 HELX_P X THR 170 A THR 170 1 AA6 13 metalc 2.423 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 1_555 metalc 1.962 X ASP 80 A OD2 ASP 80 1_555 X CD 204 E CD CD 1_555 metalc 2.423 X ASP 80 A OD1 ASP 80 1_555 X CD 204 E CD CD 13_555 metalc 1.962 X ASP 80 A OD2 ASP 80 1_555 X CD 204 E CD CD 13_555 metalc 2.538 B X ASP 127 A OD1 ASP 127 1_555 X CD 205 F CD CD 1_555 metalc 2.538 B X ASP 127 A OD1 ASP 127 1_555 X CD 205 F CD CD 31_545 metalc 2.566 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 1_555 metalc 2.566 X GLU 130 A OE1 GLU 130 1_555 X CD 206 G CD CD 31_545 metalc 2.631 X HIS 132 A NE2 HIS 132 1_555 X CD 207 H CD CD 1_555 metalc 2.586 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 1_555 metalc 2.586 X CD 205 F CD CD 1_555 X HOH 312 J O HOH 82_445 metalc 1.983 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 1_555 metalc 1.983 X CD 206 G CD CD 1_555 X HOH 363 J O HOH 31_545 metalc 2.113 X CD 207 H CD CD 1_555 X HOH 422 J O HOH 1_555 METAL BINDING PROTEIN Ferritin, 0deg Celsius, METAL BINDING PROTEIN FRIL_HORSE UNP 1 2 P02791 SSQIRQNYSTEVEAAVNRLVNLYLRASYTYLSLGFYFDRDDVALEGVCHFFRELAEEKREGAERLLKMQNQRGGRALFQD LQKPSQDEWGTTLDAMKAAIVLEKSLNQALLDLHALGSAQADPHLCDFLESHFLDEEVKLIKKMGDHLTNIQRLVGSQAG LGEYLFERLTLKHD 2 175 8J11 1 174 P02791 X 1 1 174 209 F 4 3 2