0.011100 0.000000 0.000000 0.000000 0.011100 0.000000 0.000000 0.000000 0.011100 0.00000 0.00000 0.00000 Robinson, K.E. Orans, J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 48 90.00 90.00 90.00 90.087 90.087 90.087 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 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 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 N N 75 S C N 76 N C N 77 N O N 78 N C N 79 N C N 80 N C N 81 N O N 82 N N N 83 N O 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 H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N C N 101 N O N 102 N O N 103 N O N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N N N 114 N C N 115 N C N 116 N O N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N N N 124 S C N 125 N C N 126 N O N 127 N C Y 128 N C Y 129 N N Y 130 N C Y 131 N C Y 132 N N N 133 N O 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 H N 143 N H N 144 N O N 145 N H N 146 N H N 147 N N N 148 S C N 149 N C N 150 N O N 151 S C N 152 N C N 153 N C N 154 N C N 155 N O N 156 N H N 157 N H N 158 N H N 159 N H 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 N N 170 S C N 171 N C N 172 N O N 173 N C N 174 N C N 175 N C N 176 N C N 177 N O N 178 N H N 179 N H N 180 N H N 181 N H 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 N N 192 S C N 193 N C N 194 N O N 195 N C N 196 N C N 197 N C N 198 N C N 199 N N N 200 N O N 201 N H N 202 N H N 203 N H 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 N N 217 S C N 218 N C N 219 N O N 220 N C N 221 N C N 222 N S N 223 N C N 224 N O N 225 N H 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 N N 237 S C N 238 N C N 239 N O N 240 N C Y 241 N C Y 242 N C Y 243 N C Y 244 N C Y 245 N C Y 246 N C N 247 N O N 248 N H 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 N N 260 S C N 261 N C N 262 N O N 263 N C N 264 N C N 265 N C N 266 N O N 267 N H N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N H N 274 N H N 275 N H N 276 N N N 277 S C N 278 N C N 279 N O N 280 N C N 281 N O N 282 N O N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N N N 291 S C N 292 N C N 293 N O N 294 R C N 295 N O N 296 N C N 297 N O 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 Y 312 N C Y 313 N C Y 314 N C Y 315 N N Y 316 N C Y 317 N C Y 318 N C Y 319 N C Y 320 N C N 321 N O N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H N 327 N H N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N N N 335 S C N 336 N C N 337 N O N 338 N C Y 339 N C Y 340 N C Y 341 N C Y 342 N C Y 343 N C Y 344 N C N 345 N O N 346 N O N 347 N H N 348 N H N 349 N H N 350 N H 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 N N 359 S C N 360 N C N 361 N O N 362 N C N 363 N C N 364 N C N 365 N O N 366 N H N 367 N H N 368 N H N 369 N H N 370 N H N 371 N H N 372 N H N 373 N H N 374 N H N 375 N H N 376 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 doub 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 doub 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 doub N 104 N sing N 105 N sing N 106 N sing 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 doub N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N doub N 123 N sing N 124 N sing N 125 N sing N 126 N sing Y 127 N sing Y 128 N doub Y 129 N doub N 130 N sing Y 131 N sing N 132 N sing Y 133 N sing N 134 N sing N 135 N sing 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 sing N 145 N doub N 146 N sing N 147 N sing N 148 N sing 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 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 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 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 doub 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 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 sing N 210 N sing N 211 N doub 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 doub N 231 N sing N 232 N sing N 233 N sing N 234 N sing Y 235 N doub Y 236 N sing Y 237 N sing N 238 N sing Y 239 N doub N 240 N sing Y 241 N doub N 242 N sing Y 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 doub 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 sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N doub 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 N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing 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 sing N 301 N sing N 302 N sing N 303 N sing Y 304 N doub Y 305 N sing Y 306 N sing N 307 N sing Y 308 N doub Y 309 N sing Y 310 N sing N 311 N sing Y 312 N sing Y 313 N doub N 314 N sing Y 315 N doub N 316 N sing Y 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 sing N 326 N sing N 327 N doub N 328 N sing N 329 N sing N 330 N sing N 331 N sing Y 332 N doub Y 333 N sing Y 334 N sing N 335 N sing Y 336 N doub N 337 N sing Y 338 N doub N 339 N sing Y 340 N sing N 341 N sing N 342 N sing N 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 doub N 352 N sing N 353 N sing N 354 N sing N 355 N sing 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 UK Nucleic Acids Res. NARHAD 0389 0305-1048 42 2736 2749 10.1093/nar/gkt1171 24288369 Mapping Hfq-RNA interaction surfaces using tryptophan fluorescence quenching. 2014 10.2210/pdb4jri/pdb pdb_00004jri 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 CCD MARMOSAIC 225 mm CCD SINGLE WAVELENGTH M x-ray 1 1.0 22-BM APS SYNCHROTRON APS BEAMLINE 22-BM 7673.911 Protein hfq UNP residues 2-69 F39W 4 man polymer 18.015 water 128 nat water HF-1, Host factor-I protein, HF-I no no AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESWDQFVILLKNTVSQMVYKHAISTVVPSRPVS AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESWDQFVILLKNTVSQMVYKHAISTVVPSRPVS A,B,C,D 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 K12 sample hfq, b4172, JW4130 83333 Escherichia coli 1 1.98 38.03 chem_comp_atom chem_comp_bond database_2 struct_ref_seq_dif repository Initial release Database references Data collection Database references 1 0 2013-12-11 1 1 2014-03-12 1 2 2024-02-28 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details RCSB Y RCSB 2013-03-21 REL REL HOH water HOH 19 2 HOH HOH 101 A HOH 27 2 HOH HOH 102 A HOH 29 2 HOH HOH 103 A HOH 33 2 HOH HOH 104 A HOH 35 2 HOH HOH 105 A HOH 38 2 HOH HOH 106 A HOH 41 2 HOH HOH 107 A HOH 44 2 HOH HOH 108 A HOH 48 2 HOH HOH 109 A HOH 49 2 HOH HOH 110 A HOH 79 2 HOH HOH 111 A HOH 83 2 HOH HOH 112 A HOH 84 2 HOH HOH 113 A HOH 85 2 HOH HOH 114 A HOH 93 2 HOH HOH 115 A HOH 94 2 HOH HOH 116 A HOH 167 2 HOH HOH 117 A HOH 168 2 HOH HOH 118 A HOH 169 2 HOH HOH 119 A HOH 170 2 HOH HOH 120 A HOH 173 2 HOH HOH 121 A HOH 175 2 HOH HOH 122 A HOH 176 2 HOH HOH 123 A HOH 178 2 HOH HOH 124 A HOH 179 2 HOH HOH 125 A HOH 217 2 HOH HOH 126 A HOH 219 2 HOH HOH 127 A HOH 221 2 HOH HOH 128 A HOH 222 2 HOH HOH 129 A HOH 223 2 HOH HOH 130 A HOH 227 2 HOH HOH 131 A HOH 228 2 HOH HOH 132 A HOH 229 2 HOH HOH 133 A HOH 230 2 HOH HOH 134 A HOH 231 2 HOH HOH 135 A HOH 232 2 HOH HOH 136 A HOH 234 2 HOH HOH 137 A HOH 235 2 HOH HOH 138 A HOH 236 2 HOH HOH 139 A HOH 237 2 HOH HOH 140 A HOH 242 2 HOH HOH 141 A HOH 244 2 HOH HOH 142 A HOH 6 2 HOH HOH 101 B HOH 99 2 HOH HOH 102 B HOH 100 2 HOH HOH 103 B HOH 101 2 HOH HOH 104 B HOH 102 2 HOH HOH 105 B HOH 103 2 HOH HOH 106 B HOH 104 2 HOH HOH 107 B HOH 105 2 HOH HOH 108 B HOH 106 2 HOH HOH 109 B HOH 108 2 HOH HOH 110 B HOH 112 2 HOH HOH 111 B HOH 113 2 HOH HOH 112 B HOH 114 2 HOH HOH 113 B HOH 115 2 HOH HOH 114 B HOH 116 2 HOH HOH 115 B HOH 117 2 HOH HOH 116 B HOH 118 2 HOH HOH 117 B HOH 119 2 HOH HOH 118 B HOH 120 2 HOH HOH 119 B HOH 121 2 HOH HOH 120 B HOH 124 2 HOH HOH 121 B HOH 125 2 HOH HOH 122 B HOH 126 2 HOH HOH 123 B HOH 127 2 HOH HOH 124 B HOH 128 2 HOH HOH 125 B HOH 129 2 HOH HOH 126 B HOH 133 2 HOH HOH 127 B HOH 166 2 HOH HOH 128 B HOH 185 2 HOH HOH 129 B HOH 186 2 HOH HOH 130 B HOH 187 2 HOH HOH 131 B HOH 188 2 HOH HOH 132 B HOH 189 2 HOH HOH 133 B HOH 190 2 HOH HOH 134 B HOH 191 2 HOH HOH 135 B HOH 192 2 HOH HOH 136 B HOH 193 2 HOH HOH 137 B HOH 195 2 HOH HOH 138 B HOH 218 2 HOH HOH 139 B HOH 220 2 HOH HOH 140 B HOH 224 2 HOH HOH 141 B HOH 225 2 HOH HOH 142 B HOH 226 2 HOH HOH 143 B HOH 233 2 HOH HOH 144 B HOH 238 2 HOH HOH 145 B HOH 239 2 HOH HOH 146 B HOH 240 2 HOH HOH 147 B HOH 241 2 HOH HOH 148 B HOH 243 2 HOH HOH 149 B HOH 245 2 HOH HOH 150 B HOH 140 2 HOH HOH 101 C HOH 143 2 HOH HOH 102 C HOH 147 2 HOH HOH 103 C HOH 150 2 HOH HOH 104 C HOH 196 2 HOH HOH 105 C HOH 199 2 HOH HOH 106 C HOH 200 2 HOH HOH 107 C HOH 212 2 HOH HOH 108 C HOH 247 2 HOH HOH 109 C HOH 248 2 HOH HOH 110 C HOH 249 2 HOH HOH 111 C HOH 250 2 HOH HOH 112 C HOH 251 2 HOH HOH 113 C HOH 252 2 HOH HOH 114 C HOH 253 2 HOH HOH 115 C HOH 254 2 HOH HOH 116 C HOH 255 2 HOH HOH 117 C HOH 74 2 HOH HOH 101 D HOH 153 2 HOH HOH 102 D HOH 154 2 HOH HOH 103 D HOH 163 2 HOH HOH 104 D HOH 210 2 HOH HOH 105 D HOH 216 2 HOH HOH 106 D HOH 246 2 HOH HOH 107 D HOH 256 2 HOH HOH 108 D HOH 257 2 HOH HOH 109 D HOH 258 2 HOH HOH 110 D HOH 259 2 HOH HOH 111 D HOH 260 2 HOH HOH 112 D HOH 261 2 HOH HOH 113 D HOH 262 2 HOH HOH 114 D HOH 263 2 HOH HOH 115 D HOH 264 2 HOH HOH 116 D HOH 265 2 HOH HOH 117 D HOH 266 2 HOH HOH 118 D HOH 267 2 HOH HOH 119 D n 1 2 A n 2 3 A n 3 4 A n 4 5 A SER 6 n 5 SER 6 A LEU 7 n 6 LEU 7 A GLN 8 n 7 GLN 8 A ASP 9 n 8 ASP 9 A PRO 10 n 9 PRO 10 A PHE 11 n 10 PHE 11 A LEU 12 n 11 LEU 12 A ASN 13 n 12 ASN 13 A ALA 14 n 13 ALA 14 A LEU 15 n 14 LEU 15 A ARG 16 n 15 ARG 16 A ARG 17 n 16 ARG 17 A GLU 18 n 17 GLU 18 A ARG 19 n 18 ARG 19 A VAL 20 n 19 VAL 20 A PRO 21 n 20 PRO 21 A VAL 22 n 21 VAL 22 A SER 23 n 22 SER 23 A ILE 24 n 23 ILE 24 A TYR 25 n 24 TYR 25 A LEU 26 n 25 LEU 26 A VAL 27 n 26 VAL 27 A ASN 28 n 27 ASN 28 A GLY 29 n 28 GLY 29 A ILE 30 n 29 ILE 30 A LYS 31 n 30 LYS 31 A LEU 32 n 31 LEU 32 A GLN 33 n 32 GLN 33 A GLY 34 n 33 GLY 34 A GLN 35 n 34 GLN 35 A ILE 36 n 35 ILE 36 A GLU 37 n 36 GLU 37 A SER 38 n 37 SER 38 A TRP 39 n 38 TRP 39 A ASP 40 n 39 ASP 40 A GLN 41 n 40 GLN 41 A PHE 42 n 41 PHE 42 A VAL 43 n 42 VAL 43 A ILE 44 n 43 ILE 44 A LEU 45 n 44 LEU 45 A LEU 46 n 45 LEU 46 A LYS 47 n 46 LYS 47 A ASN 48 n 47 ASN 48 A THR 49 n 48 THR 49 A VAL 50 n 49 VAL 50 A SER 51 n 50 SER 51 A GLN 52 n 51 GLN 52 A MET 53 n 52 MET 53 A VAL 54 n 53 VAL 54 A TYR 55 n 54 TYR 55 A LYS 56 n 55 LYS 56 A HIS 57 n 56 HIS 57 A ALA 58 n 57 ALA 58 A ILE 59 n 58 ILE 59 A SER 60 n 59 SER 60 A THR 61 n 60 THR 61 A VAL 62 n 61 VAL 62 A VAL 63 n 62 VAL 63 A PRO 64 n 63 PRO 64 A SER 65 n 64 SER 65 A ARG 66 n 65 ARG 66 A PRO 67 n 66 PRO 67 A VAL 68 n 67 VAL 68 A n 68 69 A n 1 2 B n 2 3 B n 3 4 B GLN 5 n 4 GLN 5 B SER 6 n 5 SER 6 B LEU 7 n 6 LEU 7 B GLN 8 n 7 GLN 8 B ASP 9 n 8 ASP 9 B PRO 10 n 9 PRO 10 B PHE 11 n 10 PHE 11 B LEU 12 n 11 LEU 12 B ASN 13 n 12 ASN 13 B ALA 14 n 13 ALA 14 B LEU 15 n 14 LEU 15 B ARG 16 n 15 ARG 16 B ARG 17 n 16 ARG 17 B GLU 18 n 17 GLU 18 B ARG 19 n 18 ARG 19 B VAL 20 n 19 VAL 20 B PRO 21 n 20 PRO 21 B VAL 22 n 21 VAL 22 B SER 23 n 22 SER 23 B ILE 24 n 23 ILE 24 B TYR 25 n 24 TYR 25 B LEU 26 n 25 LEU 26 B VAL 27 n 26 VAL 27 B ASN 28 n 27 ASN 28 B GLY 29 n 28 GLY 29 B ILE 30 n 29 ILE 30 B LYS 31 n 30 LYS 31 B LEU 32 n 31 LEU 32 B GLN 33 n 32 GLN 33 B GLY 34 n 33 GLY 34 B GLN 35 n 34 GLN 35 B ILE 36 n 35 ILE 36 B GLU 37 n 36 GLU 37 B SER 38 n 37 SER 38 B TRP 39 n 38 TRP 39 B ASP 40 n 39 ASP 40 B GLN 41 n 40 GLN 41 B PHE 42 n 41 PHE 42 B VAL 43 n 42 VAL 43 B ILE 44 n 43 ILE 44 B LEU 45 n 44 LEU 45 B LEU 46 n 45 LEU 46 B LYS 47 n 46 LYS 47 B ASN 48 n 47 ASN 48 B THR 49 n 48 THR 49 B VAL 50 n 49 VAL 50 B SER 51 n 50 SER 51 B GLN 52 n 51 GLN 52 B MET 53 n 52 MET 53 B VAL 54 n 53 VAL 54 B TYR 55 n 54 TYR 55 B LYS 56 n 55 LYS 56 B HIS 57 n 56 HIS 57 B ALA 58 n 57 ALA 58 B ILE 59 n 58 ILE 59 B SER 60 n 59 SER 60 B THR 61 n 60 THR 61 B VAL 62 n 61 VAL 62 B VAL 63 n 62 VAL 63 B PRO 64 n 63 PRO 64 B SER 65 n 64 SER 65 B ARG 66 n 65 ARG 66 B PRO 67 n 66 PRO 67 B VAL 68 n 67 VAL 68 B n 68 69 B n 1 2 C n 2 3 C n 3 4 C GLN 5 n 4 GLN 5 C SER 6 n 5 SER 6 C LEU 7 n 6 LEU 7 C GLN 8 n 7 GLN 8 C ASP 9 n 8 ASP 9 C PRO 10 n 9 PRO 10 C PHE 11 n 10 PHE 11 C LEU 12 n 11 LEU 12 C ASN 13 n 12 ASN 13 C ALA 14 n 13 ALA 14 C LEU 15 n 14 LEU 15 C ARG 16 n 15 ARG 16 C ARG 17 n 16 ARG 17 C GLU 18 n 17 GLU 18 C ARG 19 n 18 ARG 19 C VAL 20 n 19 VAL 20 C PRO 21 n 20 PRO 21 C VAL 22 n 21 VAL 22 C SER 23 n 22 SER 23 C ILE 24 n 23 ILE 24 C TYR 25 n 24 TYR 25 C LEU 26 n 25 LEU 26 C VAL 27 n 26 VAL 27 C ASN 28 n 27 ASN 28 C GLY 29 n 28 GLY 29 C ILE 30 n 29 ILE 30 C LYS 31 n 30 LYS 31 C LEU 32 n 31 LEU 32 C GLN 33 n 32 GLN 33 C GLY 34 n 33 GLY 34 C GLN 35 n 34 GLN 35 C ILE 36 n 35 ILE 36 C GLU 37 n 36 GLU 37 C SER 38 n 37 SER 38 C TRP 39 n 38 TRP 39 C ASP 40 n 39 ASP 40 C GLN 41 n 40 GLN 41 C PHE 42 n 41 PHE 42 C VAL 43 n 42 VAL 43 C ILE 44 n 43 ILE 44 C LEU 45 n 44 LEU 45 C LEU 46 n 45 LEU 46 C LYS 47 n 46 LYS 47 C ASN 48 n 47 ASN 48 C THR 49 n 48 THR 49 C VAL 50 n 49 VAL 50 C SER 51 n 50 SER 51 C GLN 52 n 51 GLN 52 C MET 53 n 52 MET 53 C VAL 54 n 53 VAL 54 C TYR 55 n 54 TYR 55 C LYS 56 n 55 LYS 56 C HIS 57 n 56 HIS 57 C ALA 58 n 57 ALA 58 C ILE 59 n 58 ILE 59 C SER 60 n 59 SER 60 C THR 61 n 60 THR 61 C VAL 62 n 61 VAL 62 C VAL 63 n 62 VAL 63 C PRO 64 n 63 PRO 64 C SER 65 n 64 SER 65 C ARG 66 n 65 ARG 66 C PRO 67 n 66 PRO 67 C VAL 68 n 67 VAL 68 C n 68 69 C n 1 2 D n 2 3 D n 3 4 D GLN 5 n 4 GLN 5 D SER 6 n 5 SER 6 D LEU 7 n 6 LEU 7 D GLN 8 n 7 GLN 8 D ASP 9 n 8 ASP 9 D PRO 10 n 9 PRO 10 D PHE 11 n 10 PHE 11 D LEU 12 n 11 LEU 12 D ASN 13 n 12 ASN 13 D ALA 14 n 13 ALA 14 D LEU 15 n 14 LEU 15 D ARG 16 n 15 ARG 16 D ARG 17 n 16 ARG 17 D GLU 18 n 17 GLU 18 D ARG 19 n 18 ARG 19 D VAL 20 n 19 VAL 20 D PRO 21 n 20 PRO 21 D VAL 22 n 21 VAL 22 D SER 23 n 22 SER 23 D ILE 24 n 23 ILE 24 D TYR 25 n 24 TYR 25 D LEU 26 n 25 LEU 26 D VAL 27 n 26 VAL 27 D ASN 28 n 27 ASN 28 D GLY 29 n 28 GLY 29 D ILE 30 n 29 ILE 30 D LYS 31 n 30 LYS 31 D LEU 32 n 31 LEU 32 D GLN 33 n 32 GLN 33 D GLY 34 n 33 GLY 34 D GLN 35 n 34 GLN 35 D ILE 36 n 35 ILE 36 D GLU 37 n 36 GLU 37 D SER 38 n 37 SER 38 D TRP 39 n 38 TRP 39 D ASP 40 n 39 ASP 40 D GLN 41 n 40 GLN 41 D PHE 42 n 41 PHE 42 D VAL 43 n 42 VAL 43 D ILE 44 n 43 ILE 44 D LEU 45 n 44 LEU 45 D LEU 46 n 45 LEU 46 D LYS 47 n 46 LYS 47 D ASN 48 n 47 ASN 48 D THR 49 n 48 THR 49 D VAL 50 n 49 VAL 50 D SER 51 n 50 SER 51 D GLN 52 n 51 GLN 52 D MET 53 n 52 MET 53 D VAL 54 n 53 VAL 54 D TYR 55 n 54 TYR 55 D LYS 56 n 55 LYS 56 D HIS 57 n 56 HIS 57 D ALA 58 n 57 ALA 58 D ILE 59 n 58 ILE 59 D SER 60 n 59 SER 60 D THR 61 n 60 THR 61 D VAL 62 n 61 VAL 62 D VAL 63 n 62 VAL 63 D PRO 64 n 63 PRO 64 D SER 65 n 64 SER 65 D ARG 66 n 65 ARG 66 D PRO 67 n 66 PRO 67 D VAL 68 n 67 VAL 68 D n 68 69 D author_and_software_defined_assembly PISA 6 hexameric author_and_software_defined_assembly PISA 6 hexameric 8840 -77 17310 8860 -78 17880 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 0.0000000000 0.0000000000 -1.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 8_544 -z,x-1/2,-y-1/2 crystal symmetry operation 0.0000000000 -45.0435000000 -45.0435000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 -1.0000000000 0.0000000000 0.0000000000 11_545 y+1/2,-z-1/2,-x crystal symmetry operation 45.0435000000 -45.0435000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 6_544 z+1/2,-x-1/2,-y-1 crystal symmetry operation 45.0435000000 -45.0435000000 -90.0870000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 1.0000000000 0.0000000000 0.0000000000 12_444 -y-1/2,-z-1,x-1/2 crystal symmetry operation -45.0435000000 -90.0870000000 -45.0435000000 A O VAL 54 A O VAL 53 A N ILE 44 A N ILE 43 A O LYS 47 A O LYS 46 A N GLN 35 A N GLN 34 A O GLY 34 A O GLY 33 A N VAL 22 A N VAL 21 A N TYR 25 A N TYR 24 A O SER 60 A O SER 59 A N VAL 62 A N VAL 61 B O MET 53 B O MET 52 B O VAL 54 B O VAL 53 B N ILE 44 B N ILE 43 B O LYS 47 B O LYS 46 B N GLN 35 B N GLN 34 B O LEU 32 B O LEU 31 B N ILE 24 B N ILE 23 B N TYR 25 B N TYR 24 B O SER 60 B O SER 59 C O VAL 54 C O VAL 53 C N ILE 44 C N ILE 43 C O LYS 47 C O LYS 46 C N GLN 35 C N GLN 34 C O LEU 32 C O LEU 31 C N ILE 24 C N ILE 23 C N SER 23 C N SER 22 C O VAL 63 C O VAL 62 C N SER 60 C N SER 59 D O TYR 55 D O TYR 54 D O VAL 54 D O VAL 53 D N ILE 44 D N ILE 43 D O LYS 47 D O LYS 46 D N GLN 35 D N GLN 34 D O GLY 34 D O GLY 33 D N VAL 22 D N VAL 21 D N TYR 25 D N TYR 24 D O SER 60 D O SER 59 1 B HOH 117 F HOH 1 B HOH 118 F HOH 1 B HOH 129 F HOH 1 D HOH 112 H HOH 1 A ALA 2 A ALA 1 1 Y 1 A LYS 3 A LYS 2 1 Y 1 A GLY 4 A GLY 3 1 Y 1 A GLN 5 A GLN 4 1 Y 1 A SER 69 A SER 68 1 Y 1 B ALA 2 B ALA 1 1 Y 1 B LYS 3 B LYS 2 1 Y 1 B GLY 4 B GLY 3 1 Y 1 B SER 69 B SER 68 1 Y 1 C ALA 2 C ALA 1 1 Y 1 C LYS 3 C LYS 2 1 Y 1 C GLY 4 C GLY 3 1 Y 1 C SER 69 C SER 68 1 Y 1 D ALA 2 D ALA 1 1 Y 1 D LYS 3 D LYS 2 1 Y 1 D GLY 4 D GLY 3 1 Y 1 D SER 69 D SER 68 1 Y 1 B B O O HOH HOH 107 150 2.05 1 B B O O HOH HOH 102 135 2.07 1 B B O O HOH HOH 113 150 2.08 1 B B O O HOH HOH 121 133 2.09 1 B B OG O SER HOH 65 120 2.11 B 1 A A O O HOH HOH 120 132 2.16 1 B B O O HOH HOH 102 103 2.17 1 B B O O HOH HOH 119 119 1.90 1_555 5_555 1 C D OH OE1 TYR GLN 55 8 2.18 1_555 6_544 1 A ASP 40 -139.12 -158.63 1 A ASN 48 -164.17 -113.05 1 B ASP 40 -136.59 -156.71 1 B ASN 48 -161.30 -80.03 1 C SER 6 -62.61 87.29 1 C ASP 40 -134.82 -151.01 1 C ASN 48 -159.11 -119.46 1 D SER 6 -127.80 -70.69 1 D ASP 40 -136.34 -152.02 1 D ASN 48 -164.67 -110.07 0.2573 0.2052 0.2078 1.829 24.077 1105 21700 5.09 99.60 0.24 1 1.34 MOLECULAR REPLACEMENT 26.60 0.90 1.11 MLHL FLAT BULK SOLVENT MODEL 1.829 24.077 128 2183 0 0 2055 0.008 2205 1.207 3031 14.857 869 0.087 365 0.005 385 0.2984 0.2595 1.9126 139 2531 99.00 0.2779 0.2414 2.0134 138 2548 100.00 0.3568 0.2383 2.1395 113 2584 100.00 0.2356 0.2147 2.3045 141 2562 100.00 0.2720 0.2166 2.5362 150 2552 100.00 0.2616 0.2134 2.9027 127 2608 100.00 0.2296 0.1996 3.6550 142 2592 100.00 0.2542 0.1858 24.0788 155 2618 98.00 1.829 24.077 4JRI 21700 0.06 1 refinement PHENIX (phenix.refine: 1.8_1069) Crystal Structure of Escherichia coli Hfq Proximal Edge Mutant 1 N N 1 N N 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N A LEU 7 A LEU 6 HELX_P A GLU 18 A GLU 17 1 1 12 B LEU 7 B LEU 6 HELX_P B GLU 18 B GLU 17 1 2 12 C LEU 7 C LEU 6 HELX_P C GLU 18 C GLU 17 1 3 12 D LEU 7 D LEU 6 HELX_P D GLU 18 D GLU 17 1 4 12 RNA BINDING PROTEIN Riboregulator, Post-transcriptional regulator, RNA BINDING PROTEIN P0A6X3_ECO1E UNP 1 2 P0A6X3 AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPSRPVS 2 69 4JRI 2 69 P0A6X3 A 1 1 68 2 69 4JRI 2 69 P0A6X3 B 1 1 68 2 69 4JRI 2 69 P0A6X3 C 1 1 68 2 69 4JRI 2 69 P0A6X3 D 1 1 68 1 PHE engineered mutation TRP 39 4JRI A P0A6X3 UNP 39 38 2 PHE engineered mutation TRP 39 4JRI B P0A6X3 UNP 39 38 3 PHE engineered mutation TRP 39 4JRI C P0A6X3 UNP 39 38 4 PHE engineered mutation TRP 39 4JRI D P0A6X3 UNP 39 38 10 10 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 GLN 52 A GLN 51 A TYR 55 A TYR 54 A VAL 43 A VAL 42 A LYS 47 A LYS 46 A LYS 31 A LYS 30 A TRP 39 A TRP 38 A PRO 21 A PRO 20 A LEU 26 A LEU 25 A ILE 59 A ILE 58 A PRO 64 A PRO 63 B SER 51 B SER 50 B TYR 55 B TYR 54 B VAL 43 B VAL 42 B LYS 47 B LYS 46 B LYS 31 B LYS 30 B TRP 39 B TRP 38 B VAL 22 B VAL 21 B LEU 26 B LEU 25 B ILE 59 B ILE 58 B PRO 64 B PRO 63 C SER 51 C SER 50 C TYR 55 C TYR 54 C VAL 43 C VAL 42 C LYS 47 C LYS 46 C LYS 31 C LYS 30 C TRP 39 C TRP 38 C VAL 22 C VAL 21 C LEU 26 C LEU 25 C ILE 59 C ILE 58 C PRO 64 C PRO 63 D GLN 52 D GLN 51 D TYR 55 D TYR 54 D VAL 43 D VAL 42 D LYS 47 D LYS 46 D LYS 31 D LYS 30 D TRP 39 D TRP 38 D VAL 22 D VAL 21 D LEU 26 D LEU 25 D ILE 59 D ILE 58 D PRO 64 D PRO 63 198 P 21 3