0.023685 0.010704 0.003055 0.000000 0.025604 0.006745 0.000000 0.000000 0.020954 0.00000 0.00000 0.00000 Structural GenomiX http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 103.19 90.55 114.32 42.220 42.860 49.354 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 C3 H7 N O4 S 153.157 n 3-SULFINOALANINE S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking Zn 2 65.409 ZINC ION non-polymer 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 R C N 76 N C N 77 N S N 78 N C N 79 N O N 80 N O N 81 N O 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 N N 91 R C N 92 N C N 93 N O N 94 N C N 95 N S N 96 N O N 97 N H N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N N N 105 S C N 106 N C N 107 N O N 108 N C N 109 N C N 110 N C N 111 N O N 112 N N N 113 N O 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 H N 123 N H N 124 N N N 125 S C N 126 N C N 127 N O N 128 N C N 129 N C N 130 N C N 131 N O N 132 N O 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 N N 144 N C N 145 N C N 146 N O N 147 N O N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N N N 154 S C N 155 N C N 156 N O N 157 N C Y 158 N C Y 159 N N Y 160 N C Y 161 N C Y 162 N N N 163 N O 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 H N 171 N H N 172 N H N 173 N H N 174 N O N 175 N H N 176 N H N 177 N N N 178 S C N 179 N C N 180 N O N 181 S C N 182 N C N 183 N C N 184 N C N 185 N O 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 H N 196 N H N 197 N H N 198 N H N 199 N N N 200 S C N 201 N C N 202 N O N 203 N C N 204 N C N 205 N C N 206 N C N 207 N O 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 H N 218 N H N 219 N H N 220 N H N 221 N N N 222 S C N 223 N C N 224 N O N 225 N C N 226 N C N 227 N C N 228 N C N 229 N N N 230 N O 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 H N 243 N H N 244 N H N 245 N H N 246 N N N 247 S C N 248 N C N 249 N O N 250 N C N 251 N C N 252 N S N 253 N C N 254 N O 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 H N 265 N H N 266 N N N 267 S C N 268 N C N 269 N O N 270 N C Y 271 N C Y 272 N C Y 273 N C Y 274 N C Y 275 N C Y 276 N C N 277 N O 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 H N 286 N H N 287 N H N 288 N H N 289 N N N 290 S C N 291 N C N 292 N O N 293 N C N 294 N C N 295 N C N 296 N O 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 N N 307 S C N 308 N C N 309 N O N 310 N C N 311 N O N 312 N O N 313 N H 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 N N 321 S C N 322 N C N 323 N O N 324 R C N 325 N O N 326 N C N 327 N O 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 H N 335 N H N 336 N H N 337 N N N 338 S C N 339 N C N 340 N O N 341 N C Y 342 N C Y 343 N C Y 344 N C Y 345 N C Y 346 N C Y 347 N C N 348 N O N 349 N O 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 H N 359 N H N 360 N H N 361 N N N 362 S C N 363 N C N 364 N O N 365 N C N 366 N C N 367 N C N 368 N O 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 377 N H N 378 N H N 379 N H N 380 N ZN 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 sing N 77 N sing N 78 N sing N 79 N doub N 80 N sing N 81 N doub 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 doub 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 doub 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 doub N 113 N sing 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 sing N 123 N doub N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N doub N 132 N sing N 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 doub 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 sing N 149 N sing N 150 N doub N 151 N sing N 152 N sing N 153 N sing N 154 N sing Y 155 N sing Y 156 N doub Y 157 N doub N 158 N sing Y 159 N sing N 160 N sing Y 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 sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N doub 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 sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N doub 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 sing N 212 N sing N 213 N sing N 214 N sing N 215 N doub 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 sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N doub 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 sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N doub N 259 N sing N 260 N sing N 261 N sing N 262 N sing Y 263 N doub Y 264 N sing Y 265 N sing N 266 N sing Y 267 N doub N 268 N sing Y 269 N doub N 270 N sing Y 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 doub 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 sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N doub 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 sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N doub 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 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 US Proteins PSFGEY 0867 0887-3585 60 787 796 10.1002/prot.20541 16021622 Structural analysis of a set of proteins resulting from a bacterial genomics project 2005 10.2210/pdb1vgx/pdb pdb_00001vgx 1 CCD MARRESEARCH SINGLE WAVELENGTH x-ray 1 0.9795 1.0 32-ID APS 0.9795 SYNCHROTRON APS BEAMLINE 32-ID 18422.768 S-ribosylhomocysteinase 3.13.1.- 2 man polymer 65.409 ZINC ION 2 syn non-polymer 18.015 water 165 nat water Autoinducer-2 production protein LuxS, AI-2 synthesis protein no yes MPDMANVESFDLDHTKVKAPYVRLAGVKTTPKGDQISKYDLRFLQPNQGAIDPAAIHTLEHLLAGYMRDHLEGVVDVSPM G(CSD)RTGMYMAVIGEPDEQGVMKAFEAALKDTAGHDQPIPGVSELECGNYRDHDLAAARQHARDVLDQGLKVQETILL ERGSHHHHHH MPDMANVESFDLDHTKVKAPYVRLAGVKTTPKGDQISKYDLRFLQPNQGAIDPAAIHTLEHLLAGYMRDHLEGVVDVSPM GCRTGMYMAVIGEPDEQGVMKAFEAALKDTAGHDQPIPGVSELECGNYRDHDLAAARQHARDVLDQGLKVQETILLERGS HHHHHH A,B 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 Deinococcus Escherichia sample LUXS, DR2387 1299 Deinococcus radiodurans 562 Escherichia coli 1 2.14 42.41 software chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Derived calculations Version format compliance Refinement description Data collection Database references Derived calculations 1 0 2003-11-25 1 1 2008-04-26 1 2 2011-07-13 1 3 2017-10-04 1 4 2023-12-27 _software.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_asym_id _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_asym_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.conn_type_id _struct_conn.id _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2003-11-03 REL REL ZN ZINC ION HOH water ZN 1 2 ZN ZN 167 A ZN 2 2 ZN ZN 167 B HOH 6 3 HOH HOH 168 A HOH 7 3 HOH HOH 169 A HOH 9 3 HOH HOH 170 A HOH 14 3 HOH HOH 171 A HOH 16 3 HOH HOH 172 A HOH 19 3 HOH HOH 173 A HOH 20 3 HOH HOH 174 A HOH 22 3 HOH HOH 175 A HOH 24 3 HOH HOH 176 A HOH 25 3 HOH HOH 177 A HOH 26 3 HOH HOH 178 A HOH 30 3 HOH HOH 179 A HOH 31 3 HOH HOH 180 A HOH 32 3 HOH HOH 181 A HOH 34 3 HOH HOH 182 A HOH 35 3 HOH HOH 183 A HOH 43 3 HOH HOH 184 A HOH 45 3 HOH HOH 185 A HOH 47 3 HOH HOH 186 A HOH 48 3 HOH HOH 187 A HOH 51 3 HOH HOH 188 A HOH 54 3 HOH HOH 189 A HOH 55 3 HOH HOH 190 A HOH 58 3 HOH HOH 191 A HOH 59 3 HOH HOH 192 A HOH 60 3 HOH HOH 193 A HOH 61 3 HOH HOH 194 A HOH 62 3 HOH HOH 195 A HOH 64 3 HOH HOH 196 A HOH 65 3 HOH HOH 197 A HOH 66 3 HOH HOH 198 A HOH 70 3 HOH HOH 199 A HOH 76 3 HOH HOH 200 A HOH 77 3 HOH HOH 201 A HOH 78 3 HOH HOH 202 A HOH 80 3 HOH HOH 203 A HOH 81 3 HOH HOH 204 A HOH 82 3 HOH HOH 205 A HOH 84 3 HOH HOH 206 A HOH 86 3 HOH HOH 207 A HOH 87 3 HOH HOH 208 A HOH 88 3 HOH HOH 209 A HOH 90 3 HOH HOH 210 A HOH 94 3 HOH HOH 211 A HOH 95 3 HOH HOH 212 A HOH 97 3 HOH HOH 213 A HOH 103 3 HOH HOH 214 A HOH 104 3 HOH HOH 215 A HOH 105 3 HOH HOH 216 A HOH 108 3 HOH HOH 217 A HOH 110 3 HOH HOH 218 A HOH 111 3 HOH HOH 219 A HOH 115 3 HOH HOH 220 A HOH 116 3 HOH HOH 221 A HOH 119 3 HOH HOH 222 A HOH 121 3 HOH HOH 223 A HOH 122 3 HOH HOH 224 A HOH 124 3 HOH HOH 225 A HOH 125 3 HOH HOH 226 A HOH 127 3 HOH HOH 227 A HOH 128 3 HOH HOH 228 A HOH 133 3 HOH HOH 229 A HOH 135 3 HOH HOH 230 A HOH 138 3 HOH HOH 231 A HOH 139 3 HOH HOH 232 A HOH 140 3 HOH HOH 233 A HOH 141 3 HOH HOH 234 A HOH 142 3 HOH HOH 235 A HOH 143 3 HOH HOH 236 A HOH 144 3 HOH HOH 237 A HOH 147 3 HOH HOH 238 A HOH 148 3 HOH HOH 239 A HOH 149 3 HOH HOH 240 A HOH 153 3 HOH HOH 241 A HOH 154 3 HOH HOH 242 A HOH 157 3 HOH HOH 243 A HOH 158 3 HOH HOH 244 A HOH 159 3 HOH HOH 245 A HOH 162 3 HOH HOH 246 A HOH 163 3 HOH HOH 247 A HOH 3 3 HOH HOH 168 B HOH 4 3 HOH HOH 169 B HOH 5 3 HOH HOH 170 B HOH 8 3 HOH HOH 171 B HOH 10 3 HOH HOH 172 B HOH 11 3 HOH HOH 173 B HOH 12 3 HOH HOH 174 B HOH 13 3 HOH HOH 175 B HOH 15 3 HOH HOH 176 B HOH 17 3 HOH HOH 177 B HOH 18 3 HOH HOH 178 B HOH 21 3 HOH HOH 179 B HOH 23 3 HOH HOH 180 B HOH 27 3 HOH HOH 181 B HOH 28 3 HOH HOH 182 B HOH 29 3 HOH HOH 183 B HOH 33 3 HOH HOH 184 B HOH 36 3 HOH HOH 185 B HOH 37 3 HOH HOH 186 B HOH 38 3 HOH HOH 187 B HOH 39 3 HOH HOH 188 B HOH 40 3 HOH HOH 189 B HOH 41 3 HOH HOH 190 B HOH 42 3 HOH HOH 191 B HOH 44 3 HOH HOH 192 B HOH 46 3 HOH HOH 193 B HOH 49 3 HOH HOH 194 B HOH 50 3 HOH HOH 195 B HOH 52 3 HOH HOH 196 B HOH 53 3 HOH HOH 197 B HOH 56 3 HOH HOH 198 B HOH 57 3 HOH HOH 199 B HOH 63 3 HOH HOH 200 B HOH 67 3 HOH HOH 201 B HOH 68 3 HOH HOH 202 B HOH 69 3 HOH HOH 203 B HOH 71 3 HOH HOH 204 B HOH 72 3 HOH HOH 205 B HOH 73 3 HOH HOH 206 B HOH 74 3 HOH HOH 207 B HOH 75 3 HOH HOH 208 B HOH 79 3 HOH HOH 209 B HOH 83 3 HOH HOH 210 B HOH 85 3 HOH HOH 211 B HOH 89 3 HOH HOH 212 B HOH 91 3 HOH HOH 213 B HOH 92 3 HOH HOH 214 B HOH 93 3 HOH HOH 215 B HOH 96 3 HOH HOH 216 B HOH 98 3 HOH HOH 217 B HOH 99 3 HOH HOH 218 B HOH 100 3 HOH HOH 219 B HOH 101 3 HOH HOH 220 B HOH 102 3 HOH HOH 221 B HOH 106 3 HOH HOH 222 B HOH 107 3 HOH HOH 223 B HOH 109 3 HOH HOH 224 B HOH 112 3 HOH HOH 225 B HOH 113 3 HOH HOH 226 B HOH 114 3 HOH HOH 227 B HOH 117 3 HOH HOH 228 B HOH 118 3 HOH HOH 229 B HOH 120 3 HOH HOH 230 B HOH 123 3 HOH HOH 231 B HOH 126 3 HOH HOH 232 B HOH 129 3 HOH HOH 233 B HOH 130 3 HOH HOH 234 B HOH 131 3 HOH HOH 235 B HOH 132 3 HOH HOH 236 B HOH 134 3 HOH HOH 237 B HOH 136 3 HOH HOH 238 B HOH 137 3 HOH HOH 239 B HOH 145 3 HOH HOH 240 B HOH 146 3 HOH HOH 241 B HOH 150 3 HOH HOH 242 B HOH 151 3 HOH HOH 243 B HOH 152 3 HOH HOH 244 B HOH 155 3 HOH HOH 245 B HOH 156 3 HOH HOH 246 B HOH 160 3 HOH HOH 247 B HOH 161 3 HOH HOH 248 B HOH 164 3 HOH HOH 249 B HOH 165 3 HOH HOH 250 B HOH 166 3 HOH HOH 251 B HOH 167 3 HOH HOH 252 B n 1 1 A n 2 2 A n 3 3 A n 4 4 A n 5 5 A n 6 6 A n 7 7 A GLU 8 n 8 GLU 8 A SER 9 n 9 SER 9 A PHE 10 n 10 PHE 10 A ASP 11 n 11 ASP 11 A LEU 12 n 12 LEU 12 A ASP 13 n 13 ASP 13 A HIS 14 n 14 HIS 14 A THR 15 n 15 THR 15 A LYS 16 n 16 LYS 16 A VAL 17 n 17 VAL 17 A LYS 18 n 18 LYS 18 A ALA 19 n 19 ALA 19 A PRO 20 n 20 PRO 20 A TYR 21 n 21 TYR 21 A VAL 22 n 22 VAL 22 A ARG 23 n 23 ARG 23 A LEU 24 n 24 LEU 24 A ALA 25 n 25 ALA 25 A GLY 26 n 26 GLY 26 A VAL 27 n 27 VAL 27 A LYS 28 n 28 LYS 28 A THR 29 n 29 THR 29 A THR 30 n 30 THR 30 A PRO 31 n 31 PRO 31 A LYS 32 n 32 LYS 32 A GLY 33 n 33 GLY 33 A ASP 34 n 34 ASP 34 A GLN 35 n 35 GLN 35 A ILE 36 n 36 ILE 36 A SER 37 n 37 SER 37 A LYS 38 n 38 LYS 38 A TYR 39 n 39 TYR 39 A ASP 40 n 40 ASP 40 A LEU 41 n 41 LEU 41 A ARG 42 n 42 ARG 42 A PHE 43 n 43 PHE 43 A LEU 44 n 44 LEU 44 A GLN 45 n 45 GLN 45 A PRO 46 n 46 PRO 46 A ASN 47 n 47 ASN 47 A GLN 48 n 48 GLN 48 A GLY 49 n 49 GLY 49 A ALA 50 n 50 ALA 50 A ILE 51 n 51 ILE 51 A ASP 52 n 52 ASP 52 A PRO 53 n 53 PRO 53 A ALA 54 n 54 ALA 54 A ALA 55 n 55 ALA 55 A ILE 56 n 56 ILE 56 A HIS 57 n 57 HIS 57 A THR 58 n 58 THR 58 A LEU 59 n 59 LEU 59 A GLU 60 n 60 GLU 60 A HIS 61 n 61 HIS 61 A LEU 62 n 62 LEU 62 A LEU 63 n 63 LEU 63 A ALA 64 n 64 ALA 64 A GLY 65 n 65 GLY 65 A TYR 66 n 66 TYR 66 A MET 67 n 67 MET 67 A ARG 68 n 68 ARG 68 A ASP 69 n 69 ASP 69 A HIS 70 n 70 HIS 70 A LEU 71 n 71 LEU 71 A GLU 72 n 72 GLU 72 A GLY 73 n 73 GLY 73 A VAL 74 n 74 VAL 74 A VAL 75 n 75 VAL 75 A ASP 76 n 76 ASP 76 A VAL 77 n 77 VAL 77 A SER 78 n 78 SER 78 A PRO 79 n 79 PRO 79 A MET 80 n 80 MET 80 A GLY 81 n 81 GLY 81 A CSD 82 n 82 CSD 82 A ARG 83 n 83 ARG 83 A THR 84 n 84 THR 84 A GLY 85 n 85 GLY 85 A MET 86 n 86 MET 86 A TYR 87 n 87 TYR 87 A MET 88 n 88 MET 88 A ALA 89 n 89 ALA 89 A VAL 90 n 90 VAL 90 A ILE 91 n 91 ILE 91 A GLY 92 n 92 GLY 92 A GLU 93 n 93 GLU 93 A PRO 94 n 94 PRO 94 A ASP 95 n 95 ASP 95 A GLU 96 n 96 GLU 96 A GLN 97 n 97 GLN 97 A GLY 98 n 98 GLY 98 A VAL 99 n 99 VAL 99 A MET 100 n 100 MET 100 A LYS 101 n 101 LYS 101 A ALA 102 n 102 ALA 102 A PHE 103 n 103 PHE 103 A GLU 104 n 104 GLU 104 A ALA 105 n 105 ALA 105 A ALA 106 n 106 ALA 106 A LEU 107 n 107 LEU 107 A LYS 108 n 108 LYS 108 A ASP 109 n 109 ASP 109 A THR 110 n 110 THR 110 A ALA 111 n 111 ALA 111 A GLY 112 n 112 GLY 112 A HIS 113 n 113 HIS 113 A ASP 114 n 114 ASP 114 A GLN 115 n 115 GLN 115 A PRO 116 n 116 PRO 116 A ILE 117 n 117 ILE 117 A PRO 118 n 118 PRO 118 A GLY 119 n 119 GLY 119 A VAL 120 n 120 VAL 120 A SER 121 n 121 SER 121 A GLU 122 n 122 GLU 122 A LEU 123 n 123 LEU 123 A GLU 124 n 124 GLU 124 A CYS 125 n 125 CYS 125 A GLY 126 n 126 GLY 126 A ASN 127 n 127 ASN 127 A TYR 128 n 128 TYR 128 A ARG 129 n 129 ARG 129 A ASP 130 n 130 ASP 130 A HIS 131 n 131 HIS 131 A ASP 132 n 132 ASP 132 A LEU 133 n 133 LEU 133 A ALA 134 n 134 ALA 134 A ALA 135 n 135 ALA 135 A ALA 136 n 136 ALA 136 A ARG 137 n 137 ARG 137 A GLN 138 n 138 GLN 138 A HIS 139 n 139 HIS 139 A ALA 140 n 140 ALA 140 A ARG 141 n 141 ARG 141 A ASP 142 n 142 ASP 142 A VAL 143 n 143 VAL 143 A LEU 144 n 144 LEU 144 A ASP 145 n 145 ASP 145 A GLN 146 n 146 GLN 146 A GLY 147 n 147 GLY 147 A LEU 148 n 148 LEU 148 A LYS 149 n 149 LYS 149 A VAL 150 n 150 VAL 150 A GLN 151 n 151 GLN 151 A GLU 152 n 152 GLU 152 A THR 153 n 153 THR 153 A ILE 154 n 154 ILE 154 A LEU 155 n 155 LEU 155 A LEU 156 n 156 LEU 156 A n 157 157 A n 158 158 A n 159 159 A n 160 160 A n 161 161 A n 162 162 A n 163 163 A n 164 164 A n 165 165 A n 166 166 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 VAL 7 n 7 VAL 7 B GLU 8 n 8 GLU 8 B SER 9 n 9 SER 9 B PHE 10 n 10 PHE 10 B ASP 11 n 11 ASP 11 B LEU 12 n 12 LEU 12 B ASP 13 n 13 ASP 13 B HIS 14 n 14 HIS 14 B THR 15 n 15 THR 15 B LYS 16 n 16 LYS 16 B VAL 17 n 17 VAL 17 B LYS 18 n 18 LYS 18 B ALA 19 n 19 ALA 19 B PRO 20 n 20 PRO 20 B TYR 21 n 21 TYR 21 B VAL 22 n 22 VAL 22 B ARG 23 n 23 ARG 23 B LEU 24 n 24 LEU 24 B ALA 25 n 25 ALA 25 B GLY 26 n 26 GLY 26 B VAL 27 n 27 VAL 27 B LYS 28 n 28 LYS 28 B THR 29 n 29 THR 29 B THR 30 n 30 THR 30 B PRO 31 n 31 PRO 31 B LYS 32 n 32 LYS 32 B GLY 33 n 33 GLY 33 B ASP 34 n 34 ASP 34 B GLN 35 n 35 GLN 35 B ILE 36 n 36 ILE 36 B SER 37 n 37 SER 37 B LYS 38 n 38 LYS 38 B TYR 39 n 39 TYR 39 B ASP 40 n 40 ASP 40 B LEU 41 n 41 LEU 41 B ARG 42 n 42 ARG 42 B PHE 43 n 43 PHE 43 B LEU 44 n 44 LEU 44 B GLN 45 n 45 GLN 45 B PRO 46 n 46 PRO 46 B ASN 47 n 47 ASN 47 B GLN 48 n 48 GLN 48 B GLY 49 n 49 GLY 49 B ALA 50 n 50 ALA 50 B ILE 51 n 51 ILE 51 B ASP 52 n 52 ASP 52 B PRO 53 n 53 PRO 53 B ALA 54 n 54 ALA 54 B ALA 55 n 55 ALA 55 B ILE 56 n 56 ILE 56 B HIS 57 n 57 HIS 57 B THR 58 n 58 THR 58 B LEU 59 n 59 LEU 59 B GLU 60 n 60 GLU 60 B HIS 61 n 61 HIS 61 B LEU 62 n 62 LEU 62 B LEU 63 n 63 LEU 63 B ALA 64 n 64 ALA 64 B GLY 65 n 65 GLY 65 B TYR 66 n 66 TYR 66 B MET 67 n 67 MET 67 B ARG 68 n 68 ARG 68 B ASP 69 n 69 ASP 69 B HIS 70 n 70 HIS 70 B LEU 71 n 71 LEU 71 B GLU 72 n 72 GLU 72 B GLY 73 n 73 GLY 73 B VAL 74 n 74 VAL 74 B VAL 75 n 75 VAL 75 B ASP 76 n 76 ASP 76 B VAL 77 n 77 VAL 77 B SER 78 n 78 SER 78 B PRO 79 n 79 PRO 79 B MET 80 n 80 MET 80 B GLY 81 n 81 GLY 81 B CSD 82 n 82 CSD 82 B ARG 83 n 83 ARG 83 B THR 84 n 84 THR 84 B GLY 85 n 85 GLY 85 B MET 86 n 86 MET 86 B TYR 87 n 87 TYR 87 B MET 88 n 88 MET 88 B ALA 89 n 89 ALA 89 B VAL 90 n 90 VAL 90 B ILE 91 n 91 ILE 91 B GLY 92 n 92 GLY 92 B GLU 93 n 93 GLU 93 B PRO 94 n 94 PRO 94 B ASP 95 n 95 ASP 95 B GLU 96 n 96 GLU 96 B GLN 97 n 97 GLN 97 B GLY 98 n 98 GLY 98 B VAL 99 n 99 VAL 99 B MET 100 n 100 MET 100 B LYS 101 n 101 LYS 101 B ALA 102 n 102 ALA 102 B PHE 103 n 103 PHE 103 B GLU 104 n 104 GLU 104 B ALA 105 n 105 ALA 105 B ALA 106 n 106 ALA 106 B LEU 107 n 107 LEU 107 B LYS 108 n 108 LYS 108 B ASP 109 n 109 ASP 109 B THR 110 n 110 THR 110 B ALA 111 n 111 ALA 111 B GLY 112 n 112 GLY 112 B HIS 113 n 113 HIS 113 B ASP 114 n 114 ASP 114 B GLN 115 n 115 GLN 115 B PRO 116 n 116 PRO 116 B ILE 117 n 117 ILE 117 B PRO 118 n 118 PRO 118 B GLY 119 n 119 GLY 119 B VAL 120 n 120 VAL 120 B SER 121 n 121 SER 121 B GLU 122 n 122 GLU 122 B LEU 123 n 123 LEU 123 B GLU 124 n 124 GLU 124 B CYS 125 n 125 CYS 125 B GLY 126 n 126 GLY 126 B ASN 127 n 127 ASN 127 B TYR 128 n 128 TYR 128 B ARG 129 n 129 ARG 129 B ASP 130 n 130 ASP 130 B HIS 131 n 131 HIS 131 B ASP 132 n 132 ASP 132 B LEU 133 n 133 LEU 133 B ALA 134 n 134 ALA 134 B ALA 135 n 135 ALA 135 B ALA 136 n 136 ALA 136 B ARG 137 n 137 ARG 137 B GLN 138 n 138 GLN 138 B HIS 139 n 139 HIS 139 B ALA 140 n 140 ALA 140 B ARG 141 n 141 ARG 141 B ASP 142 n 142 ASP 142 B VAL 143 n 143 VAL 143 B LEU 144 n 144 LEU 144 B ASP 145 n 145 ASP 145 B GLN 146 n 146 GLN 146 B GLY 147 n 147 GLY 147 B LEU 148 n 148 LEU 148 B LYS 149 n 149 LYS 149 B VAL 150 n 150 VAL 150 B GLN 151 n 151 GLN 151 B GLU 152 n 152 GLU 152 B THR 153 n 153 THR 153 B ILE 154 n 154 ILE 154 B LEU 155 n 155 LEU 155 B LEU 156 n 156 LEU 156 B n 157 157 B n 158 158 B n 159 159 B n 160 160 B n 161 161 B n 162 162 B n 163 163 B n 164 164 B n 165 165 B n 166 166 B author_and_software_defined_assembly PISA,PQS 2 dimeric 3740 -92 12110 A HIS 57 A NE2 HIS 57 1_555 A ZN 167 C ZN ZN 1_555 A HIS 61 A NE2 HIS 61 1_555 102.7 A HIS 57 A NE2 HIS 57 1_555 A ZN 167 C ZN ZN 1_555 A CYS 125 A SG CYS 125 1_555 97.7 A HIS 61 A NE2 HIS 61 1_555 A ZN 167 C ZN ZN 1_555 A CYS 125 A SG CYS 125 1_555 113.7 A HIS 57 A NE2 HIS 57 1_555 A ZN 167 C ZN ZN 1_555 B HOH 190 F O HOH 1_555 121.2 A HIS 61 A NE2 HIS 61 1_555 A ZN 167 C ZN ZN 1_555 B HOH 190 F O HOH 1_555 110.3 A CYS 125 A SG CYS 125 1_555 A ZN 167 C ZN ZN 1_555 B HOH 190 F O HOH 1_555 110.7 B HIS 57 B NE2 HIS 57 1_555 B ZN 167 D ZN ZN 1_555 B HIS 61 B NE2 HIS 61 1_555 103.0 B HIS 57 B NE2 HIS 57 1_555 B ZN 167 D ZN ZN 1_555 B CYS 125 B SG CYS 125 1_555 97.7 B HIS 61 B NE2 HIS 61 1_555 B ZN 167 D ZN ZN 1_555 B CYS 125 B SG CYS 125 1_555 115.1 B HIS 57 B NE2 HIS 57 1_555 B ZN 167 D ZN ZN 1_555 B HOH 184 F O HOH 1_555 121.6 B HIS 61 B NE2 HIS 61 1_555 B ZN 167 D ZN ZN 1_555 B HOH 184 F O HOH 1_555 108.9 B CYS 125 B SG CYS 125 1_555 B ZN 167 D ZN ZN 1_555 B HOH 184 F O HOH 1_555 110.4 A CSD 82 3-SULFINOALANINE A CSD 82 CYS B CSD 82 3-SULFINOALANINE B CSD 82 CYS 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 LYS 28 A N LYS 28 A O ILE 36 A O ILE 36 A N LEU 41 A N LEU 41 A O MET 86 A O MET 86 A O TYR 87 A O TYR 87 A N SER 78 A N SER 78 B N ARG 23 B N ARG 23 B O ASP 40 B O ASP 40 B N TYR 39 B N TYR 39 B O MET 88 B O MET 88 B O TYR 87 B O TYR 87 B N SER 78 B N SER 78 1 A CD GLU 72 A CD GLU 72 1 Y 1 A OE1 GLU 72 A OE1 GLU 72 1 Y 1 A OE2 GLU 72 A OE2 GLU 72 1 Y 1 A CD GLU 93 A CD GLU 93 1 Y 1 A OE1 GLU 93 A OE1 GLU 93 1 Y 1 A OE2 GLU 93 A OE2 GLU 93 1 Y 1 A MET 1 A MET 1 1 Y 1 A PRO 2 A PRO 2 1 Y 1 A ASP 3 A ASP 3 1 Y 1 A MET 4 A MET 4 1 Y 1 A ALA 5 A ALA 5 1 Y 1 A ASN 6 A ASN 6 1 Y 1 A VAL 7 A VAL 7 1 Y 1 A GLU 157 A GLU 157 1 Y 1 A ARG 158 A ARG 158 1 Y 1 A GLY 159 A GLY 159 1 Y 1 A SER 160 A SER 160 1 Y 1 A HIS 161 A HIS 161 1 Y 1 A HIS 162 A HIS 162 1 Y 1 A HIS 163 A HIS 163 1 Y 1 A HIS 164 A HIS 164 1 Y 1 A HIS 165 A HIS 165 1 Y 1 A HIS 166 A HIS 166 1 Y 1 B MET 1 B MET 1 1 Y 1 B PRO 2 B PRO 2 1 Y 1 B ASP 3 B ASP 3 1 Y 1 B MET 4 B MET 4 1 Y 1 B ALA 5 B ALA 5 1 Y 1 B GLU 157 B GLU 157 1 Y 1 B ARG 158 B ARG 158 1 Y 1 B GLY 159 B GLY 159 1 Y 1 B SER 160 B SER 160 1 Y 1 B HIS 161 B HIS 161 1 Y 1 B HIS 162 B HIS 162 1 Y 1 B HIS 163 B HIS 163 1 Y 1 B HIS 164 B HIS 164 1 Y 1 B HIS 165 B HIS 165 1 Y 1 B HIS 166 B HIS 166 1 Y 1 A ASP 11 -11.08 1 3.05 0.50 120.30 123.35 A A A NE CZ NH1 ARG ARG ARG 141 141 141 N 1 -3.15 0.50 120.30 117.15 A A A NE CZ NH2 ARG ARG ARG 141 141 141 N 1 A SER 9 -154.56 87.40 1 A ASP 95 -152.28 73.71 1 A ASN 127 -156.12 63.81 1 A ASP 130 -105.70 71.69 1 A ASP 132 -151.69 89.38 1 B ASP 95 -151.66 73.60 1 B ASN 127 -156.17 67.36 14.054 0.326 -0.058 0.104 0.043 0.131 -0.355 0.216 0.171 1.90 26.82 1202 23520 1 0 MOLECULAR REPLACEMENT Babinet bulk solvent correction 217.061 0.915 isotropic 1.90 26.82 165 2472 2 0 2305 0.016 2.112 3.299 0.150 0.015 1.564 2.656 2.813 4.254 1.90 26.82 1VGX 23521 23521 0.029 1 20.8 2.0 97.4 0.042 1.90 2.00 17.0 1 2.0 95.6 data reduction MOSFLM data scaling SCALA data reduction TRUNCATE refinement REFMAC 4.0 data scaling CCP4 (SCALA data scaling TRUNCATE Crystal structure of a autoinducer-2 synthesis protein 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N A ASP 52 A ASP 52 HELX_P A LEU 71 A LEU 71 1 1 20 A ASP 95 A ASP 95 HELX_P A GLY 112 A GLY 112 1 2 18 A ASP 132 A ASP 132 HELX_P A GLY 147 A GLY 147 1 3 16 B ASP 52 B ASP 52 HELX_P B LEU 71 B LEU 71 1 4 20 B ASP 95 B ASP 95 HELX_P B GLY 112 B GLY 112 1 5 18 B ASP 132 B ASP 132 HELX_P B GLY 147 B GLY 147 1 6 16 covale 1.335 both A GLY 81 A C GLY 81 1_555 A CSD 82 A N CSD 82 1_555 covale 1.331 both A CSD 82 A C CSD 82 1_555 A ARG 83 A N ARG 83 1_555 covale 1.345 both B GLY 81 B C GLY 81 1_555 B CSD 82 B N CSD 82 1_555 covale 1.326 both B CSD 82 B C CSD 82 1_555 B ARG 83 B N ARG 83 1_555 metalc 2.043 A HIS 57 A NE2 HIS 57 1_555 A ZN 167 C ZN ZN 1_555 metalc 2.046 A HIS 61 A NE2 HIS 61 1_555 A ZN 167 C ZN ZN 1_555 metalc 2.342 A CYS 125 A SG CYS 125 1_555 A ZN 167 C ZN ZN 1_555 metalc 2.212 A ZN 167 C ZN ZN 1_555 B HOH 190 F O HOH 1_555 metalc 2.186 B HIS 57 B NE2 HIS 57 1_555 B ZN 167 D ZN ZN 1_555 metalc 2.031 B HIS 61 B NE2 HIS 61 1_555 B ZN 167 D ZN ZN 1_555 metalc 2.324 B CYS 125 B SG CYS 125 1_555 B ZN 167 D ZN ZN 1_555 metalc 2.247 B ZN 167 D ZN ZN 1_555 B HOH 184 F O HOH 1_555 HYDROLASE structural genomics, HYDROLASE A ALA 19 A ALA 19 1 A PRO 20 A PRO 20 0.26 B ALA 19 B ALA 19 1 B PRO 20 B PRO 20 -0.54 LUXS_DEIRA UNP 1 1 Q9RRU8 MPDMANVESFDLDHTKVKAPYVRLAGVKTTPKGDQISKYDLRFLQPNQGAIDPAAIHTLEHLLAGYMRDHLEGVVDVSPM GCRTGMYMAVIGEPDEQGVMKAFEAALKDTAGHDQPIPGVSELECGNYRDHDLAAARQHARDVLDQGLKVQETILLER 1 158 1VGX 1 158 Q9RRU8 A 1 1 158 1 158 1VGX 1 158 Q9RRU8 B 1 1 158 1 CYS modified residue CSD 82 1VGX A Q9RRU8 UNP 82 82 1 cloning artifact GLY 159 1VGX A Q9RRU8 UNP 159 1 cloning artifact SER 160 1VGX A Q9RRU8 UNP 160 1 cloning artifact HIS 161 1VGX A Q9RRU8 UNP 161 1 cloning artifact HIS 162 1VGX A Q9RRU8 UNP 162 1 cloning artifact HIS 163 1VGX A Q9RRU8 UNP 163 1 cloning artifact HIS 164 1VGX A Q9RRU8 UNP 164 1 cloning artifact HIS 165 1VGX A Q9RRU8 UNP 165 1 cloning artifact HIS 166 1VGX A Q9RRU8 UNP 166 2 CYS modified residue CSD 82 1VGX B Q9RRU8 UNP 82 82 2 cloning artifact GLY 159 1VGX B Q9RRU8 UNP 159 2 cloning artifact SER 160 1VGX B Q9RRU8 UNP 160 2 cloning artifact HIS 161 1VGX B Q9RRU8 UNP 161 2 cloning artifact HIS 162 1VGX B Q9RRU8 UNP 162 2 cloning artifact HIS 163 1VGX B Q9RRU8 UNP 163 2 cloning artifact HIS 164 1VGX B Q9RRU8 UNP 164 2 cloning artifact HIS 165 1VGX B Q9RRU8 UNP 165 2 cloning artifact HIS 166 1VGX B Q9RRU8 UNP 166 4 4 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A TYR 21 A TYR 21 A THR 29 A THR 29 A GLN 35 A GLN 35 A ARG 42 A ARG 42 A GLY 85 A GLY 85 A ILE 91 A ILE 91 A VAL 74 A VAL 74 A PRO 79 A PRO 79 B TYR 21 B TYR 21 B THR 29 B THR 29 B GLN 35 B GLN 35 B ARG 42 B ARG 42 B GLY 85 B GLY 85 B ILE 91 B ILE 91 B VAL 74 B VAL 74 B PRO 79 B PRO 79 BINDING SITE FOR RESIDUE ZN A 167 A ZN 167 Software 4 BINDING SITE FOR RESIDUE ZN B 167 B ZN 167 Software 4 A HIS 57 A HIS 57 4 1_555 A HIS 61 A HIS 61 4 1_555 A CYS 125 A CYS 125 4 1_555 B HOH 190 F HOH 4 1_555 B HIS 57 B HIS 57 4 1_555 B HIS 61 B HIS 61 4 1_555 B CYS 125 B CYS 125 4 1_555 B HOH 184 F HOH 4 1_555 1 P 1