0.012366 0.000000 0.000000 0.000000 0.008651 0.000000 0.000000 0.000000 0.009819 0.00000 0.00000 0.00000 Schumacher, M.A. Pearson, R.F. Moller, T. Valentin-Hansen, P. Brennan, R.G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 48 90.00 90.00 90.00 80.870 115.600 101.840 C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C3 H7 N O2 89.093 y ALANINE 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 C10 H14 N5 O8 P 363.221 y GUANOSINE-5'-MONOPHOSPHATE RNA linking 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 C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C9 H13 N2 O9 P 324.181 y URIDINE-5'-MONOPHOSPHATE RNA linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N O N 2 N P N 3 N O N 4 N O N 5 N O N 6 N C N 7 R C N 8 N O N 9 S C N 10 N O N 11 R C N 12 N O N 13 R C Y 14 N N Y 15 N C Y 16 N N Y 17 N C Y 18 N C N 19 N N Y 20 N N Y 21 N C Y 22 N N Y 23 N C N 24 N H N 25 N H 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 N N 39 S C N 40 N C N 41 N O N 42 N C N 43 N O N 44 N H N 45 N H N 46 N H N 47 N H N 48 N H N 49 N H N 50 N H N 51 N N N 52 S C N 53 N C N 54 N O N 55 N C N 56 N C N 57 N O N 58 N N N 59 N O N 60 N H N 61 N H N 62 N H N 63 N H N 64 N H N 65 N H N 66 N H N 67 N H N 68 N N N 69 S C N 70 N C N 71 N O N 72 N C N 73 N C N 74 N O N 75 N O N 76 N O N 77 N H N 78 N H N 79 N H N 80 N H N 81 N H N 82 N H N 83 N H N 84 N O N 85 N P N 86 N O N 87 N O N 88 N O N 89 N C N 90 R C N 91 N O N 92 S C N 93 N O N 94 R C N 95 N O N 96 R C Y 97 N N Y 98 N C Y 99 N N Y 100 N C N 101 N C N 102 N O N 103 N N N 104 N C N 105 N N N 106 N N Y 107 N C N 108 N H N 109 N H 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 H N 121 N H N 122 N N N 123 S C N 124 N C N 125 N O N 126 N C N 127 N C N 128 N C N 129 N O N 130 N N N 131 N O 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 H N 140 N H N 141 N H N 142 N N N 143 S C N 144 N C N 145 N O N 146 N C N 147 N C N 148 N C N 149 N O N 150 N O N 151 N O N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N N N 162 N C N 163 N C N 164 N O N 165 N O N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N N N 172 S C N 173 N C N 174 N O N 175 N C Y 176 N C Y 177 N N Y 178 N C Y 179 N C Y 180 N N 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 O 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 S 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 O N 226 N H 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 N N 240 S C N 241 N C N 242 N O N 243 N C N 244 N C N 245 N C N 246 N C N 247 N N N 248 N O N 249 N H N 250 N H 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 H N 263 N H N 264 N N N 265 S C N 266 N C N 267 N O N 268 N C N 269 N C N 270 N S N 271 N C N 272 N O N 273 N H 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 N N 285 S C N 286 N C N 287 N O N 288 N C Y 289 N C Y 290 N C Y 291 N C Y 292 N C Y 293 N C Y 294 N C N 295 N O 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 H N 303 N H N 304 N H N 305 N H N 306 N H N 307 N N N 308 S C N 309 N C N 310 N O N 311 N C N 312 N O N 313 N O N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H 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 C Y 347 N C Y 348 N C N 349 N O N 350 N O N 351 N H N 352 N H 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 O N 363 N P N 364 N O N 365 N O N 366 N O N 367 N C N 368 R C N 369 N O N 370 S C N 371 N O N 372 R C N 373 N O N 374 R C N 375 N N N 376 N C N 377 N O N 378 N N N 379 N C N 380 N O N 381 N C N 382 N C 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 H N 390 N H N 391 N H N 392 N H N 393 N H N 394 N H N 395 N H N 396 N N N 397 S C N 398 N C N 399 N O N 400 N C N 401 N C N 402 N C N 403 N O N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N H N 412 N H N 413 N H N 414 N H N 1 N sing N 2 N sing N 3 N doub N 4 N sing N 5 N sing N 6 N sing N 7 N sing 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 sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing Y 25 N sing Y 26 N sing Y 27 N doub N 28 N sing Y 29 N sing Y 30 N sing Y 31 N doub N 32 N sing Y 33 N doub N 34 N sing N 35 N sing Y 36 N sing Y 37 N doub N 38 N sing Y 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 sing N 46 N doub N 47 N sing N 48 N sing N 49 N sing N 50 N sing 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 doub N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N doub N 64 N sing N 65 N sing N 66 N sing 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 doub N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N doub N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N doub 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 sing 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 sing Y 107 N sing Y 108 N sing Y 109 N doub N 110 N sing Y 111 N sing N 112 N sing Y 113 N doub N 114 N doub N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N doub N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N doub N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N doub 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 sing N 145 N sing N 146 N sing N 147 N sing N 148 N doub N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N doub 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 doub N 167 N sing 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 doub N 176 N sing N 177 N sing N 178 N sing N 179 N sing Y 180 N sing Y 181 N doub Y 182 N doub N 183 N sing Y 184 N sing N 185 N sing Y 186 N sing N 187 N sing N 188 N sing 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 doub 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 sing 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 doub 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 sing 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 doub 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 sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N doub N 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 sing 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 doub N 284 N sing N 285 N sing N 286 N sing N 287 N sing Y 288 N doub Y 289 N sing Y 290 N sing N 291 N sing Y 292 N doub N 293 N sing Y 294 N doub N 295 N sing Y 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N doub N 307 N sing N 308 N sing N 309 N sing 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 doub N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N doub N 336 N sing N 337 N sing N 338 N sing N 339 N sing Y 340 N doub Y 341 N sing Y 342 N sing N 343 N sing Y 344 N doub N 345 N sing Y 346 N doub N 347 N sing Y 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N doub N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N sing N 365 N sing N 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 sing N 378 N sing N 379 N doub N 380 N sing N 381 N sing N 382 N sing N 383 N doub N 384 N sing N 385 N doub N 386 N sing N 387 N sing N 388 N sing N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N sing N 394 N doub N 395 N sing N 396 N sing N 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N sing N 405 N sing UK EMBO J. EMJODG 0897 0261-4189 21 3546 3556 10.1093/emboj/cdf322 12093755 Structures of the pleiotropic translational regulator Hfq and an Hfq-RNA complex: a bacterial Sm-like protein. 2002 10.2210/pdb1kq2/pdb pdb_00001kq2 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 298 1 IMAGE PLATE 2001-06-11 MARRESEARCH graphite SINGLE WAVELENGTH M x-ray 1 .97 1.0 BL9-1 SSRL .97 SYNCHROTRON SSRL BEAMLINE BL9-1 2160.283 5'-R(*AP*UP*UP*UP*UP*UP*G)-3' 1 syn polymer 8786.683 Host factor for Q beta 6 man polymer 18.015 water 29 nat water HFQ no no AUUUUUG AUUUUUG R polyribonucleotide no no MIANENIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVETEGQASTESEE MIANENIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVETEGQASTESEE A,B,H,I,K,M 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 Staphylococcus Escherichia sample 1280 Staphylococcus aureus 562 Escherichia coli plasmid pTyb11 1 2.17 43.28 VAPOR DIFFUSION, HANGING DROP 7.5 PEG 550, MgCl2, Hepes, KCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 PEG 550 1 MgCl2 1 Hepes 1 KCl 1 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Data collection Database references Refinement description 1 0 2002-07-05 1 1 2008-04-27 1 2 2011-07-13 1 3 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession 1KQ1 is the structure of the apo S. aureus Hfq RCSB Y RCSB 2002-01-03 REL REL HOH water 1KQ1 one hexamer of 1KQ1 PDB experimental model HOH 43 3 HOH HOH 43 R HOH 44 3 HOH HOH 44 R HOH 45 3 HOH HOH 45 R HOH 50 3 HOH HOH 50 R HOH 51 3 HOH HOH 51 R HOH 55 3 HOH HOH 55 R HOH 56 3 HOH HOH 56 R HOH 61 3 HOH HOH 61 R HOH 64 3 HOH HOH 64 R HOH 65 3 HOH HOH 65 R HOH 66 3 HOH HOH 66 R HOH 67 3 HOH HOH 67 R HOH 40 3 HOH HOH 78 A HOH 48 3 HOH HOH 79 A HOH 59 3 HOH HOH 80 A HOH 42 3 HOH HOH 78 B HOH 47 3 HOH HOH 79 B HOH 49 3 HOH HOH 80 B HOH 39 3 HOH HOH 78 H HOH 41 3 HOH HOH 79 H HOH 52 3 HOH HOH 78 I HOH 53 3 HOH HOH 79 I HOH 58 3 HOH HOH 80 I HOH 60 3 HOH HOH 81 I HOH 46 3 HOH HOH 78 K HOH 54 3 HOH HOH 78 M HOH 57 3 HOH HOH 79 M HOH 62 3 HOH HOH 80 M HOH 63 3 HOH HOH 81 M A 26 n 1 A 26 R U 27 n 2 U 27 R U 28 n 3 U 28 R U 29 n 4 U 29 R U 30 n 5 U 30 R U 31 n 6 U 31 R G 32 n 7 G 32 R n 1 1 A n 2 2 A n 3 3 A n 4 4 A n 5 5 A ASN 6 n 6 ASN 6 A ILE 7 n 7 ILE 7 A GLN 8 n 8 GLN 8 A ASP 9 n 9 ASP 9 A LYS 10 n 10 LYS 10 A ALA 11 n 11 ALA 11 A LEU 12 n 12 LEU 12 A GLU 13 n 13 GLU 13 A ASN 14 n 14 ASN 14 A PHE 15 n 15 PHE 15 A LYS 16 n 16 LYS 16 A ALA 17 n 17 ALA 17 A ASN 18 n 18 ASN 18 A GLN 19 n 19 GLN 19 A THR 20 n 20 THR 20 A GLU 21 n 21 GLU 21 A VAL 22 n 22 VAL 22 A THR 23 n 23 THR 23 A VAL 24 n 24 VAL 24 A PHE 25 n 25 PHE 25 A PHE 26 n 26 PHE 26 A LEU 27 n 27 LEU 27 A ASN 28 n 28 ASN 28 A GLY 29 n 29 GLY 29 A PHE 30 n 30 PHE 30 A GLN 31 n 31 GLN 31 A MET 32 n 32 MET 32 A LYS 33 n 33 LYS 33 A GLY 34 n 34 GLY 34 A VAL 35 n 35 VAL 35 A ILE 36 n 36 ILE 36 A GLU 37 n 37 GLU 37 A GLU 38 n 38 GLU 38 A TYR 39 n 39 TYR 39 A ASP 40 n 40 ASP 40 A LYS 41 n 41 LYS 41 A TYR 42 n 42 TYR 42 A VAL 43 n 43 VAL 43 A VAL 44 n 44 VAL 44 A SER 45 n 45 SER 45 A LEU 46 n 46 LEU 46 A ASN 47 n 47 ASN 47 A SER 48 n 48 SER 48 A GLN 49 n 49 GLN 49 A GLY 50 n 50 GLY 50 A LYS 51 n 51 LYS 51 A GLN 52 n 52 GLN 52 A HIS 53 n 53 HIS 53 A LEU 54 n 54 LEU 54 A ILE 55 n 55 ILE 55 A TYR 56 n 56 TYR 56 A LYS 57 n 57 LYS 57 A HIS 58 n 58 HIS 58 A ALA 59 n 59 ALA 59 A ILE 60 n 60 ILE 60 A SER 61 n 61 SER 61 A THR 62 n 62 THR 62 A TYR 63 n 63 TYR 63 A THR 64 n 64 THR 64 A VAL 65 n 65 VAL 65 A n 66 66 A n 67 67 A n 68 68 A n 69 69 A n 70 70 A n 71 71 A n 72 72 A n 73 73 A n 74 74 A n 75 75 A n 76 76 A n 77 77 A n 1 1 B n 2 2 B n 3 3 B n 4 4 B n 5 5 B ASN 6 n 6 ASN 6 B ILE 7 n 7 ILE 7 B GLN 8 n 8 GLN 8 B ASP 9 n 9 ASP 9 B LYS 10 n 10 LYS 10 B ALA 11 n 11 ALA 11 B LEU 12 n 12 LEU 12 B GLU 13 n 13 GLU 13 B ASN 14 n 14 ASN 14 B PHE 15 n 15 PHE 15 B LYS 16 n 16 LYS 16 B ALA 17 n 17 ALA 17 B ASN 18 n 18 ASN 18 B GLN 19 n 19 GLN 19 B THR 20 n 20 THR 20 B GLU 21 n 21 GLU 21 B VAL 22 n 22 VAL 22 B THR 23 n 23 THR 23 B VAL 24 n 24 VAL 24 B PHE 25 n 25 PHE 25 B PHE 26 n 26 PHE 26 B LEU 27 n 27 LEU 27 B ASN 28 n 28 ASN 28 B GLY 29 n 29 GLY 29 B PHE 30 n 30 PHE 30 B GLN 31 n 31 GLN 31 B MET 32 n 32 MET 32 B LYS 33 n 33 LYS 33 B GLY 34 n 34 GLY 34 B VAL 35 n 35 VAL 35 B ILE 36 n 36 ILE 36 B GLU 37 n 37 GLU 37 B GLU 38 n 38 GLU 38 B TYR 39 n 39 TYR 39 B ASP 40 n 40 ASP 40 B LYS 41 n 41 LYS 41 B TYR 42 n 42 TYR 42 B VAL 43 n 43 VAL 43 B VAL 44 n 44 VAL 44 B SER 45 n 45 SER 45 B LEU 46 n 46 LEU 46 B ASN 47 n 47 ASN 47 B SER 48 n 48 SER 48 B GLN 49 n 49 GLN 49 B GLY 50 n 50 GLY 50 B LYS 51 n 51 LYS 51 B GLN 52 n 52 GLN 52 B HIS 53 n 53 HIS 53 B LEU 54 n 54 LEU 54 B ILE 55 n 55 ILE 55 B TYR 56 n 56 TYR 56 B LYS 57 n 57 LYS 57 B HIS 58 n 58 HIS 58 B ALA 59 n 59 ALA 59 B ILE 60 n 60 ILE 60 B SER 61 n 61 SER 61 B THR 62 n 62 THR 62 B TYR 63 n 63 TYR 63 B THR 64 n 64 THR 64 B VAL 65 n 65 VAL 65 B GLU 66 n 66 GLU 66 B n 67 67 B n 68 68 B n 69 69 B n 70 70 B n 71 71 B n 72 72 B n 73 73 B n 74 74 B n 75 75 B n 76 76 B n 77 77 B n 1 1 H n 2 2 H n 3 3 H n 4 4 H GLU 5 n 5 GLU 5 H ASN 6 n 6 ASN 6 H ILE 7 n 7 ILE 7 H GLN 8 n 8 GLN 8 H ASP 9 n 9 ASP 9 H LYS 10 n 10 LYS 10 H ALA 11 n 11 ALA 11 H LEU 12 n 12 LEU 12 H GLU 13 n 13 GLU 13 H ASN 14 n 14 ASN 14 H PHE 15 n 15 PHE 15 H LYS 16 n 16 LYS 16 H ALA 17 n 17 ALA 17 H ASN 18 n 18 ASN 18 H GLN 19 n 19 GLN 19 H THR 20 n 20 THR 20 H GLU 21 n 21 GLU 21 H VAL 22 n 22 VAL 22 H THR 23 n 23 THR 23 H VAL 24 n 24 VAL 24 H PHE 25 n 25 PHE 25 H PHE 26 n 26 PHE 26 H LEU 27 n 27 LEU 27 H ASN 28 n 28 ASN 28 H GLY 29 n 29 GLY 29 H PHE 30 n 30 PHE 30 H GLN 31 n 31 GLN 31 H MET 32 n 32 MET 32 H LYS 33 n 33 LYS 33 H GLY 34 n 34 GLY 34 H VAL 35 n 35 VAL 35 H ILE 36 n 36 ILE 36 H GLU 37 n 37 GLU 37 H GLU 38 n 38 GLU 38 H TYR 39 n 39 TYR 39 H ASP 40 n 40 ASP 40 H LYS 41 n 41 LYS 41 H TYR 42 n 42 TYR 42 H VAL 43 n 43 VAL 43 H VAL 44 n 44 VAL 44 H SER 45 n 45 SER 45 H LEU 46 n 46 LEU 46 H ASN 47 n 47 ASN 47 H SER 48 n 48 SER 48 H GLN 49 n 49 GLN 49 H GLY 50 n 50 GLY 50 H LYS 51 n 51 LYS 51 H GLN 52 n 52 GLN 52 H HIS 53 n 53 HIS 53 H LEU 54 n 54 LEU 54 H ILE 55 n 55 ILE 55 H TYR 56 n 56 TYR 56 H LYS 57 n 57 LYS 57 H HIS 58 n 58 HIS 58 H ALA 59 n 59 ALA 59 H ILE 60 n 60 ILE 60 H SER 61 n 61 SER 61 H THR 62 n 62 THR 62 H TYR 63 n 63 TYR 63 H THR 64 n 64 THR 64 H VAL 65 n 65 VAL 65 H GLU 66 n 66 GLU 66 H n 67 67 H n 68 68 H n 69 69 H n 70 70 H n 71 71 H n 72 72 H n 73 73 H n 74 74 H n 75 75 H n 76 76 H n 77 77 H n 1 1 I n 2 2 I n 3 3 I n 4 4 I n 5 5 I ASN 6 n 6 ASN 6 I ILE 7 n 7 ILE 7 I GLN 8 n 8 GLN 8 I ASP 9 n 9 ASP 9 I LYS 10 n 10 LYS 10 I ALA 11 n 11 ALA 11 I LEU 12 n 12 LEU 12 I GLU 13 n 13 GLU 13 I ASN 14 n 14 ASN 14 I PHE 15 n 15 PHE 15 I LYS 16 n 16 LYS 16 I ALA 17 n 17 ALA 17 I ASN 18 n 18 ASN 18 I GLN 19 n 19 GLN 19 I THR 20 n 20 THR 20 I GLU 21 n 21 GLU 21 I VAL 22 n 22 VAL 22 I THR 23 n 23 THR 23 I VAL 24 n 24 VAL 24 I PHE 25 n 25 PHE 25 I PHE 26 n 26 PHE 26 I LEU 27 n 27 LEU 27 I ASN 28 n 28 ASN 28 I GLY 29 n 29 GLY 29 I PHE 30 n 30 PHE 30 I GLN 31 n 31 GLN 31 I MET 32 n 32 MET 32 I LYS 33 n 33 LYS 33 I GLY 34 n 34 GLY 34 I VAL 35 n 35 VAL 35 I ILE 36 n 36 ILE 36 I GLU 37 n 37 GLU 37 I GLU 38 n 38 GLU 38 I TYR 39 n 39 TYR 39 I ASP 40 n 40 ASP 40 I LYS 41 n 41 LYS 41 I TYR 42 n 42 TYR 42 I VAL 43 n 43 VAL 43 I VAL 44 n 44 VAL 44 I SER 45 n 45 SER 45 I LEU 46 n 46 LEU 46 I ASN 47 n 47 ASN 47 I SER 48 n 48 SER 48 I GLN 49 n 49 GLN 49 I GLY 50 n 50 GLY 50 I LYS 51 n 51 LYS 51 I GLN 52 n 52 GLN 52 I HIS 53 n 53 HIS 53 I LEU 54 n 54 LEU 54 I ILE 55 n 55 ILE 55 I TYR 56 n 56 TYR 56 I LYS 57 n 57 LYS 57 I HIS 58 n 58 HIS 58 I ALA 59 n 59 ALA 59 I ILE 60 n 60 ILE 60 I SER 61 n 61 SER 61 I THR 62 n 62 THR 62 I TYR 63 n 63 TYR 63 I THR 64 n 64 THR 64 I VAL 65 n 65 VAL 65 I n 66 66 I n 67 67 I n 68 68 I n 69 69 I n 70 70 I n 71 71 I n 72 72 I n 73 73 I n 74 74 I n 75 75 I n 76 76 I n 77 77 I n 1 1 K n 2 2 K n 3 3 K n 4 4 K n 5 5 K ASN 6 n 6 ASN 6 K ILE 7 n 7 ILE 7 K GLN 8 n 8 GLN 8 K ASP 9 n 9 ASP 9 K LYS 10 n 10 LYS 10 K ALA 11 n 11 ALA 11 K LEU 12 n 12 LEU 12 K GLU 13 n 13 GLU 13 K ASN 14 n 14 ASN 14 K PHE 15 n 15 PHE 15 K LYS 16 n 16 LYS 16 K ALA 17 n 17 ALA 17 K ASN 18 n 18 ASN 18 K GLN 19 n 19 GLN 19 K THR 20 n 20 THR 20 K GLU 21 n 21 GLU 21 K VAL 22 n 22 VAL 22 K THR 23 n 23 THR 23 K VAL 24 n 24 VAL 24 K PHE 25 n 25 PHE 25 K PHE 26 n 26 PHE 26 K LEU 27 n 27 LEU 27 K ASN 28 n 28 ASN 28 K GLY 29 n 29 GLY 29 K PHE 30 n 30 PHE 30 K GLN 31 n 31 GLN 31 K MET 32 n 32 MET 32 K LYS 33 n 33 LYS 33 K GLY 34 n 34 GLY 34 K VAL 35 n 35 VAL 35 K ILE 36 n 36 ILE 36 K GLU 37 n 37 GLU 37 K GLU 38 n 38 GLU 38 K TYR 39 n 39 TYR 39 K ASP 40 n 40 ASP 40 K LYS 41 n 41 LYS 41 K TYR 42 n 42 TYR 42 K VAL 43 n 43 VAL 43 K VAL 44 n 44 VAL 44 K SER 45 n 45 SER 45 K LEU 46 n 46 LEU 46 K ASN 47 n 47 ASN 47 K SER 48 n 48 SER 48 K GLN 49 n 49 GLN 49 K GLY 50 n 50 GLY 50 K LYS 51 n 51 LYS 51 K GLN 52 n 52 GLN 52 K HIS 53 n 53 HIS 53 K LEU 54 n 54 LEU 54 K ILE 55 n 55 ILE 55 K TYR 56 n 56 TYR 56 K LYS 57 n 57 LYS 57 K HIS 58 n 58 HIS 58 K ALA 59 n 59 ALA 59 K ILE 60 n 60 ILE 60 K SER 61 n 61 SER 61 K THR 62 n 62 THR 62 K TYR 63 n 63 TYR 63 K THR 64 n 64 THR 64 K VAL 65 n 65 VAL 65 K GLU 66 n 66 GLU 66 K n 67 67 K n 68 68 K n 69 69 K n 70 70 K n 71 71 K n 72 72 K n 73 73 K n 74 74 K n 75 75 K n 76 76 K n 77 77 K n 1 1 M n 2 2 M n 3 3 M n 4 4 M n 5 5 M ASN 6 n 6 ASN 6 M ILE 7 n 7 ILE 7 M GLN 8 n 8 GLN 8 M ASP 9 n 9 ASP 9 M LYS 10 n 10 LYS 10 M ALA 11 n 11 ALA 11 M LEU 12 n 12 LEU 12 M GLU 13 n 13 GLU 13 M ASN 14 n 14 ASN 14 M PHE 15 n 15 PHE 15 M LYS 16 n 16 LYS 16 M ALA 17 n 17 ALA 17 M ASN 18 n 18 ASN 18 M GLN 19 n 19 GLN 19 M THR 20 n 20 THR 20 M GLU 21 n 21 GLU 21 M VAL 22 n 22 VAL 22 M THR 23 n 23 THR 23 M VAL 24 n 24 VAL 24 M PHE 25 n 25 PHE 25 M PHE 26 n 26 PHE 26 M LEU 27 n 27 LEU 27 M ASN 28 n 28 ASN 28 M GLY 29 n 29 GLY 29 M PHE 30 n 30 PHE 30 M GLN 31 n 31 GLN 31 M MET 32 n 32 MET 32 M LYS 33 n 33 LYS 33 M GLY 34 n 34 GLY 34 M VAL 35 n 35 VAL 35 M ILE 36 n 36 ILE 36 M GLU 37 n 37 GLU 37 M GLU 38 n 38 GLU 38 M TYR 39 n 39 TYR 39 M ASP 40 n 40 ASP 40 M LYS 41 n 41 LYS 41 M TYR 42 n 42 TYR 42 M VAL 43 n 43 VAL 43 M VAL 44 n 44 VAL 44 M SER 45 n 45 SER 45 M LEU 46 n 46 LEU 46 M ASN 47 n 47 ASN 47 M SER 48 n 48 SER 48 M GLN 49 n 49 GLN 49 M GLY 50 n 50 GLY 50 M LYS 51 n 51 LYS 51 M GLN 52 n 52 GLN 52 M HIS 53 n 53 HIS 53 M LEU 54 n 54 LEU 54 M ILE 55 n 55 ILE 55 M TYR 56 n 56 TYR 56 M LYS 57 n 57 LYS 57 M HIS 58 n 58 HIS 58 M ALA 59 n 59 ALA 59 M ILE 60 n 60 ILE 60 M SER 61 n 61 SER 61 M THR 62 n 62 THR 62 M TYR 63 n 63 TYR 63 M THR 64 n 64 THR 64 M VAL 65 n 65 VAL 65 M GLU 66 n 66 GLU 66 M n 67 67 M n 68 68 M n 69 69 M n 70 70 M n 71 71 M n 72 72 M n 73 73 M n 74 74 M n 75 75 M n 76 76 M n 77 77 M author_defined_assembly 7 heptameric 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 A N VAL 24 B N VAL 24 A O MET 32 B O MET 32 A N VAL 35 B N VAL 35 A O ASN 47 B O ASN 47 A N LEU 46 B N LEU 46 A O HIS 53 B O HIS 53 A N LEU 54 B N LEU 54 H O TYR 63 D O TYR 63 H O SER 61 D O SER 61 H N PHE 25 D N PHE 25 H N VAL 24 D N VAL 24 H O MET 32 D O MET 32 H N GLU 38 D N GLU 38 H O SER 45 D O SER 45 H N VAL 44 D N VAL 44 H O ILE 55 D O ILE 55 H N LEU 54 D N LEU 54 I O TYR 63 E O TYR 63 I O SER 61 E O SER 61 I N PHE 25 E N PHE 25 I N VAL 22 E N VAL 22 I O GLY 34 E O GLY 34 I N GLU 38 E N GLU 38 I O SER 45 E O SER 45 I N LEU 46 E N LEU 46 I O HIS 53 E O HIS 53 I N LEU 54 E N LEU 54 K O TYR 63 F O TYR 63 K O SER 61 F O SER 61 K N PHE 25 F N PHE 25 K N VAL 24 F N VAL 24 K O MET 32 F O MET 32 K N VAL 35 F N VAL 35 K O ASN 47 F O ASN 47 K N LEU 46 F N LEU 46 K O HIS 53 F O HIS 53 K N LEU 54 F N LEU 54 M O TYR 63 G O TYR 63 M O THR 64 G O THR 64 M N THR 23 G N THR 23 M N VAL 24 G N VAL 24 M O MET 32 G O MET 32 M N GLU 38 G N GLU 38 M O SER 45 G O SER 45 M N VAL 44 G N VAL 44 M O ILE 55 G O ILE 55 M O LEU 54 G O LEU 54 B N TYR 63 C N TYR 63 B O SER 61 C O SER 61 B N PHE 25 C N PHE 25 B N VAL 24 C N VAL 24 B O MET 32 C O MET 32 B N VAL 35 C N VAL 35 B O ASN 47 C O ASN 47 B N VAL 44 C N VAL 44 B O ILE 55 C O ILE 55 B O LEU 54 C O LEU 54 A N TYR 63 B N TYR 63 A O SER 61 B O SER 61 A N PHE 25 B N PHE 25 1 A MET 1 B MET 1 1 Y 1 A ILE 2 B ILE 2 1 Y 1 A ALA 3 B ALA 3 1 Y 1 A ASN 4 B ASN 4 1 Y 1 A GLU 5 B GLU 5 1 Y 1 A GLU 66 B GLU 66 1 Y 1 A THR 67 B THR 67 1 Y 1 A GLU 68 B GLU 68 1 Y 1 A GLY 69 B GLY 69 1 Y 1 A GLN 70 B GLN 70 1 Y 1 A ALA 71 B ALA 71 1 Y 1 A SER 72 B SER 72 1 Y 1 A THR 73 B THR 73 1 Y 1 A GLU 74 B GLU 74 1 Y 1 A SER 75 B SER 75 1 Y 1 A GLU 76 B GLU 76 1 Y 1 A GLU 77 B GLU 77 1 Y 1 B MET 1 C MET 1 1 Y 1 B ILE 2 C ILE 2 1 Y 1 B ALA 3 C ALA 3 1 Y 1 B ASN 4 C ASN 4 1 Y 1 B GLU 5 C GLU 5 1 Y 1 B THR 67 C THR 67 1 Y 1 B GLU 68 C GLU 68 1 Y 1 B GLY 69 C GLY 69 1 Y 1 B GLN 70 C GLN 70 1 Y 1 B ALA 71 C ALA 71 1 Y 1 B SER 72 C SER 72 1 Y 1 B THR 73 C THR 73 1 Y 1 B GLU 74 C GLU 74 1 Y 1 B SER 75 C SER 75 1 Y 1 B GLU 76 C GLU 76 1 Y 1 B GLU 77 C GLU 77 1 Y 1 H MET 1 D MET 1 1 Y 1 H ILE 2 D ILE 2 1 Y 1 H ALA 3 D ALA 3 1 Y 1 H ASN 4 D ASN 4 1 Y 1 H THR 67 D THR 67 1 Y 1 H GLU 68 D GLU 68 1 Y 1 H GLY 69 D GLY 69 1 Y 1 H GLN 70 D GLN 70 1 Y 1 H ALA 71 D ALA 71 1 Y 1 H SER 72 D SER 72 1 Y 1 H THR 73 D THR 73 1 Y 1 H GLU 74 D GLU 74 1 Y 1 H SER 75 D SER 75 1 Y 1 H GLU 76 D GLU 76 1 Y 1 H GLU 77 D GLU 77 1 Y 1 I MET 1 E MET 1 1 Y 1 I ILE 2 E ILE 2 1 Y 1 I ALA 3 E ALA 3 1 Y 1 I ASN 4 E ASN 4 1 Y 1 I GLU 5 E GLU 5 1 Y 1 I GLU 66 E GLU 66 1 Y 1 I THR 67 E THR 67 1 Y 1 I GLU 68 E GLU 68 1 Y 1 I GLY 69 E GLY 69 1 Y 1 I GLN 70 E GLN 70 1 Y 1 I ALA 71 E ALA 71 1 Y 1 I SER 72 E SER 72 1 Y 1 I THR 73 E THR 73 1 Y 1 I GLU 74 E GLU 74 1 Y 1 I SER 75 E SER 75 1 Y 1 I GLU 76 E GLU 76 1 Y 1 I GLU 77 E GLU 77 1 Y 1 K MET 1 F MET 1 1 Y 1 K ILE 2 F ILE 2 1 Y 1 K ALA 3 F ALA 3 1 Y 1 K ASN 4 F ASN 4 1 Y 1 K GLU 5 F GLU 5 1 Y 1 K THR 67 F THR 67 1 Y 1 K GLU 68 F GLU 68 1 Y 1 K GLY 69 F GLY 69 1 Y 1 K GLN 70 F GLN 70 1 Y 1 K ALA 71 F ALA 71 1 Y 1 K SER 72 F SER 72 1 Y 1 K THR 73 F THR 73 1 Y 1 K GLU 74 F GLU 74 1 Y 1 K SER 75 F SER 75 1 Y 1 K GLU 76 F GLU 76 1 Y 1 K GLU 77 F GLU 77 1 Y 1 M MET 1 G MET 1 1 Y 1 M ILE 2 G ILE 2 1 Y 1 M ALA 3 G ALA 3 1 Y 1 M ASN 4 G ASN 4 1 Y 1 M GLU 5 G GLU 5 1 Y 1 M THR 67 G THR 67 1 Y 1 M GLU 68 G GLU 68 1 Y 1 M GLY 69 G GLY 69 1 Y 1 M GLN 70 G GLN 70 1 Y 1 M ALA 71 G ALA 71 1 Y 1 M SER 72 G SER 72 1 Y 1 M THR 73 G THR 73 1 Y 1 M GLU 74 G GLU 74 1 Y 1 M SER 75 G SER 75 1 Y 1 M GLU 76 G GLU 76 1 Y 1 M GLU 77 G GLU 77 1 Y 1 A TYR 39 -178.60 145.63 1 A ASP 40 -128.10 -147.56 1 A GLN 49 71.96 -48.83 1 B ASN 18 -55.81 -4.63 1 B GLU 37 -49.25 -84.53 1 B ASP 40 -148.64 -155.99 1 B LYS 51 -39.52 146.53 1 H ASP 40 -163.25 -156.66 1 H SER 48 -129.51 -141.45 1 H GLN 49 -38.95 73.85 1 H SER 61 -97.36 -61.85 1 K ALA 17 -64.48 -71.03 1 K TYR 39 175.51 142.97 1 K ASP 40 -126.44 -158.22 1 K GLN 49 49.17 29.31 1 K VAL 65 -95.75 -152.61 1 M ASP 40 -153.65 -148.23 PROTEIN_REP.PARAM PROTEIN.TOP DNA-RNA_REP.PARAM DNA-RNA.TOP WATER_REP.PARAM WATER.TOP ION.PARAM ION.TOP 64.5 -1.00 0.00 0.00 -12.80 0.00 13.80 0.2660000 0.011 0.2040000 0.2040000 0.2040000 2.71 40.38 600 12030 12030 5.0 90.4 RANDOM 2081750.71 0.000000 1 RESTRAINED THROUGHOUT 0 MOLECULAR REPLACEMENT one hexamer of 1KQ1 engh and huber FLAT MODEL 52.977 0.323089 0.47 0.32 5.00 0.49 0.38 2.71 40.38 29 3156 0 142 2985 0.007 1.2 24.9 0.74 2.69 1.50 4.60 2.00 3.61 2.00 5.48 2.50 0.3770000 0.037 0.3150000 2.88 105 1901 6 5.2 92.3 83.4 2.71 40.38 1KQ2 11950 11950 0 0 0.0640000 1 90.3 2.71 2.89 92.1 phasing MOLREP refinement CNS 1.0 data reduction MOSFLM data scaling CCP4 (SCALA) Crystal Structure of an Hfq-RNA Complex 1 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N 3 N N 3 N N 3 N N 3 N N 3 N N 3 N N 3 N N Hfq is a functional hexamer and there is one hexamer bound to the 7-mer RNA site in the ASU A ASN 6 B ASN 6 HELX_P A ASN 18 B ASN 18 1 1 13 B ASN 6 C ASN 6 HELX_P B ASN 18 C ASN 18 1 2 13 H ASN 6 D ASN 6 HELX_P H GLN 19 D GLN 19 1 3 14 I ILE 7 E ILE 7 HELX_P I ASN 18 E ASN 18 1 4 12 K ASN 6 F ASN 6 HELX_P K GLN 19 F GLN 19 1 5 14 M ASN 6 G ASN 6 HELX_P M GLN 19 G GLN 19 1 6 14 TRANSLATION/RNA Hfq-RNA complex, single-stranded RNA, translational regulator, TRANSLATION-RNA COMPLEX Q99UG9_STAAM UNP 2 1 Q99UG9 MIANENIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVETEGQASTESEE 1KQ2 PDB 1 1KQ2 1 77 1KQ2 1 77 Q99UG9 A 1 1 77 1 77 1KQ2 1 77 Q99UG9 B 1 1 77 1 77 1KQ2 1 77 Q99UG9 H 1 1 77 1 77 1KQ2 1 77 Q99UG9 I 1 1 77 1 77 1KQ2 1 77 Q99UG9 K 1 1 77 1 77 1KQ2 1 77 Q99UG9 M 1 1 77 26 32 1KQ2 26 32 1KQ2 R 2 1 7 31 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLU 21 B GLU 21 A PHE 26 B PHE 26 A GLN 31 B GLN 31 A TYR 39 B TYR 39 A VAL 43 B VAL 43 A SER 48 B SER 48 A LYS 51 B LYS 51 A TYR 56 B TYR 56 H ILE 60 D ILE 60 H VAL 65 D VAL 65 H VAL 22 D VAL 22 H PHE 26 D PHE 26 H GLN 31 D GLN 31 H TYR 39 D TYR 39 H VAL 43 D VAL 43 H ASN 47 D ASN 47 H GLN 52 D GLN 52 H TYR 56 D TYR 56 I ILE 60 E ILE 60 I THR 64 E THR 64 I VAL 22 E VAL 22 I PHE 26 E PHE 26 I GLN 31 E GLN 31 I TYR 39 E TYR 39 I VAL 43 E VAL 43 I SER 48 E SER 48 I LYS 51 E LYS 51 I TYR 56 E TYR 56 K ILE 60 F ILE 60 K THR 64 F THR 64 K GLU 21 F GLU 21 K PHE 26 F PHE 26 K GLN 31 F GLN 31 K TYR 39 F TYR 39 K VAL 43 F VAL 43 K SER 48 F SER 48 K LYS 51 F LYS 51 K TYR 56 F TYR 56 M ILE 60 G ILE 60 M VAL 65 G VAL 65 M GLU 21 G GLU 21 M PHE 26 G PHE 26 M GLN 31 G GLN 31 M TYR 39 G TYR 39 M VAL 43 G VAL 43 M SER 48 G SER 48 M LYS 51 G LYS 51 M TYR 56 G TYR 56 B ILE 60 C ILE 60 B THR 64 C THR 64 B GLU 21 C GLU 21 B PHE 26 C PHE 26 B GLN 31 C GLN 31 B TYR 39 C TYR 39 B VAL 43 C VAL 43 B ASN 47 C ASN 47 B GLN 52 C GLN 52 B TYR 56 C TYR 56 A ILE 60 B ILE 60 A THR 64 B THR 64 A GLU 21 B GLU 21 A PHE 26 B PHE 26 20 C 2 2 21