0.028835 0.000000 0.000000 0.000000 0.028835 0.000000 0.000000 0.000000 0.003864 0.00000 0.00000 0.00000 Weihsel, A. Montfort, W.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 34.680 34.680 258.780 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 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 C34 H32 Fe N4 O4 616.487 PROTOPORPHYRIN IX CONTAINING FE HEME non-polymer 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 C3 H5 N2 1 69.085 IMIDAZOLE non-polymer 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 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O 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 H N 105 N H N 106 N H N 107 N H N 108 N N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O 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 H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O 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 C N 138 N C N 139 N C N 140 N C Y 141 N C Y 142 N C Y 143 N C Y 144 N C N 145 N C N 146 N C N 147 N C N 148 N C N 149 N O N 150 N O N 151 N C N 152 N C N 153 N C N 154 N C N 155 N C N 156 N C N 157 N C Y 158 N C Y 159 N C Y 160 N C Y 161 N C N 162 N C N 163 N C N 164 N C N 165 N C N 166 N C N 167 N C N 168 N C N 169 N C N 170 N C N 171 N C N 172 N C N 173 N O N 174 N O Y 175 N N N 176 N N Y 177 N N N 178 N N N 179 N FE 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 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 H N 200 N H 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 N N 213 S C N 214 N C N 215 N O N 216 N C Y 217 N C Y 218 N N Y 219 N C Y 220 N C Y 221 N N N 222 N O N 223 N H N 224 N H 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 O 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 S C N 241 N C N 242 N C N 243 N C N 244 N O N 245 N H N 246 N H N 247 N H 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 Y 258 N N Y 259 N C Y 260 N N Y 261 N C Y 262 N C N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N N N 269 S C N 270 N C N 271 N O N 272 N C N 273 N C N 274 N C N 275 N C N 276 N O 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 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 N C N 295 N C N 296 N C N 297 N C N 298 N N N 299 N O 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 H N 308 N H 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 N N 316 S C N 317 N C N 318 N O N 319 N C N 320 N C N 321 N S N 322 N C N 323 N O 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 H N 335 N N N 336 S C N 337 N C N 338 N O N 339 N C Y 340 N C Y 341 N C Y 342 N C Y 343 N C Y 344 N C Y 345 N C 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 N N 376 S C N 377 N C N 378 N O N 379 N C N 380 N O N 381 N O 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 R C N 394 N O 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 N N 407 S C N 408 N C N 409 N O N 410 N C Y 411 N C Y 412 N C Y 413 N C Y 414 N N Y 415 N C Y 416 N C Y 417 N C Y 418 N C Y 419 N C N 420 N O N 421 N H N 422 N H N 423 N H N 424 N H N 425 N H N 426 N H N 427 N H N 428 N H N 429 N H N 430 N H N 431 N H N 432 N H N 433 N N N 434 S C N 435 N C N 436 N O N 437 N C Y 438 N C Y 439 N C Y 440 N C Y 441 N C Y 442 N C Y 443 N C N 444 N O N 445 N O N 446 N H N 447 N H N 448 N H N 449 N H N 450 N H N 451 N H N 452 N H N 453 N H N 454 N H N 455 N H N 456 N H N 457 N N N 458 S C N 459 N C N 460 N O N 461 N C N 462 N C N 463 N C N 464 N O N 465 N H N 466 N H N 467 N H N 468 N H N 469 N H N 470 N H N 471 N H N 472 N H N 473 N H N 474 N H N 475 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 doub 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 doub 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 N 107 N sing N 108 N doub 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 doub 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 sing N 124 N sing N 125 N sing N 126 N doub N 127 N sing N 128 N sing N 129 N sing N 130 N doub N 131 N sing N 132 N sing N 133 N doub N 134 N sing N 135 N sing N 136 N doub N 137 N sing N 138 N doub N 139 N sing N 140 N sing Y 141 N doub Y 142 N sing Y 143 N sing N 144 N sing Y 145 N doub N 146 N sing Y 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 doub N 158 N sing N 159 N sing N 160 N sing N 161 N doub N 162 N sing N 163 N sing N 164 N sing N 165 N doub N 166 N sing N 167 N sing N 168 N sing N 169 N doub N 170 N sing N 171 N sing N 172 N sing Y 173 N sing Y 174 N sing Y 175 N doub N 176 N sing Y 177 N sing N 178 N sing Y 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N doub N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N doub N 189 N doub 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 doub 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 doub N 218 N sing N 219 N sing N 220 N sing N 221 N sing Y 222 N sing Y 223 N doub Y 224 N doub N 225 N sing Y 226 N sing N 227 N sing Y 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 Y 255 N sing Y 256 N sing N 257 N sing Y 258 N doub N 259 N sing Y 260 N sing N 261 N sing Y 262 N doub 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 sing N 271 N doub 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 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 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 sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N doub 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 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 sing N 356 N sing N 357 N sing N 358 N doub 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 doub N 376 N sing N 377 N sing 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 doub N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N sing N 394 N sing 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 doub N 405 N sing N 406 N sing N 407 N sing N 408 N sing Y 409 N doub Y 410 N sing Y 411 N sing N 412 N sing Y 413 N doub Y 414 N sing Y 415 N sing N 416 N sing Y 417 N sing Y 418 N doub N 419 N sing Y 420 N doub N 421 N sing Y 422 N sing N 423 N sing N 424 N sing N 425 N sing N 426 N sing N 427 N sing N 428 N sing N 429 N sing N 430 N sing N 431 N sing N 432 N doub N 433 N sing N 434 N sing N 435 N sing N 436 N sing Y 437 N doub Y 438 N sing Y 439 N sing N 440 N sing Y 441 N doub N 442 N sing Y 443 N doub N 444 N sing Y 445 N sing N 446 N sing N 447 N sing N 448 N sing N 449 N sing N 450 N sing N 451 N sing N 452 N sing N 453 N sing N 454 N sing N 455 N sing N 456 N doub N 457 N sing N 458 N sing N 459 N sing N 460 N sing N 461 N sing N 462 N sing N 463 N sing N 464 N sing N 465 N sing N 466 N sing N 467 N sing To be Published 0353 Conformational change and heme ruffling in nitrophorin 2, a nitric oxide carrier from kissing bug. US J.Biol.Chem. JBCHA3 0071 0021-9258 275 30496 30503 10.1074/jbc.M002857200 The Crystal Structure of Nitrophorin 2 2000 US Biochemistry BICHAW 0033 0006-2960 40 11327 11337 10.1021/bi0109257 Ligand-induced Heme Ruffling and Bent NO Geometry in Ultra-High-Resolution Structures of Nitrophorin 4 2001 10.2210/pdb1pee/pdb pdb_00001pee 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 CCD 2002-05-07 ADSC QUANTUM 315 Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing) SINGLE WAVELENGTH M x-ray 1 0.827 1.0 BL11-1 SSRL 0.827 SYNCHROTRON SSRL BEAMLINE BL11-1 20080.391 Nitrophorin 2 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer 69.085 IMIDAZOLE 1 syn non-polymer 18.015 water 169 nat water NP2, Prolixin-S no no MDCSTNISPKQGLDKAKYFSGKWYVTHFLDKDPQVTDQYCSSFTPRESDGTVKEALYHYNANKKTSFYNIGEGKLESSGL QYTAKYKTVDKKKAVLKEADEKNSYTLTVLEADDSSALVHICLREGSKDLGDLYTVLTHQKDAEPSAKVKSAVTQAGLQL SQFVGTKDLGCQYDDQFTSL MDCSTNISPKQGLDKAKYFSGKWYVTHFLDKDPQVTDQYCSSFTPRESDGTVKEALYHYNANKKTSFYNIGEGKLESSGL QYTAKYKTVDKKKAVLKEADEKNSYTLTVLEADDSSALVHICLREGSKDLGDLYTVLTHQKDAEPSAKVKSAVTQAGLQL SQFVGTKDLGCQYDDQFTSL A 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 n n n n n n Rhodnius Escherichia Escherichia coli sample 13249 Rhodnius prolixus 469008 Escherichia coli BL21(DE3) BL21DE3 plasmid pET17b 1 1.94 36.50 VAPOR DIFFUSION, HANGING DROP 6.5 1.6 M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Refinement description 1 0 2004-06-01 1 1 2008-04-29 1 2 2011-07-13 1 3 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _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_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 The same protein complexed with ammonia Imidazole complex of a closely related protein RCSB Y RCSB 2003-05-21 REL REL HEM PROTOPORPHYRIN IX CONTAINING FE IMD IMIDAZOLE HOH water 1EUO PDB entry 1EUO PDB experimental model HEM 201 2 HEM HEM 201 A IMD 202 3 IMD IMD 202 A HOH 301 4 HOH HOH 301 A HOH 302 4 HOH HOH 302 A HOH 308 4 HOH HOH 308 A HOH 309 4 HOH HOH 309 A HOH 310 4 HOH HOH 310 A HOH 311 4 HOH HOH 311 A HOH 312 4 HOH HOH 312 A HOH 313 4 HOH HOH 313 A HOH 314 4 HOH HOH 314 A HOH 316 4 HOH HOH 316 A HOH 317 4 HOH HOH 317 A HOH 318 4 HOH HOH 318 A HOH 319 4 HOH HOH 319 A HOH 320 4 HOH HOH 320 A HOH 321 4 HOH HOH 321 A HOH 322 4 HOH HOH 322 A HOH 323 4 HOH HOH 323 A HOH 324 4 HOH HOH 324 A HOH 325 4 HOH HOH 325 A HOH 347 4 HOH HOH 347 A HOH 348 4 HOH HOH 348 A HOH 349 4 HOH HOH 349 A HOH 350 4 HOH HOH 350 A HOH 351 4 HOH HOH 351 A HOH 352 4 HOH HOH 352 A HOH 353 4 HOH HOH 353 A HOH 354 4 HOH HOH 354 A HOH 355 4 HOH HOH 355 A HOH 356 4 HOH HOH 356 A HOH 357 4 HOH HOH 357 A HOH 358 4 HOH HOH 358 A HOH 359 4 HOH HOH 359 A HOH 360 4 HOH HOH 360 A HOH 361 4 HOH HOH 361 A HOH 362 4 HOH HOH 362 A HOH 363 4 HOH HOH 363 A HOH 365 4 HOH HOH 365 A HOH 366 4 HOH HOH 366 A HOH 367 4 HOH HOH 367 A HOH 368 4 HOH HOH 368 A HOH 369 4 HOH HOH 369 A HOH 370 4 HOH HOH 370 A HOH 371 4 HOH HOH 371 A HOH 421 4 HOH HOH 421 A HOH 422 4 HOH HOH 422 A HOH 423 4 HOH HOH 423 A HOH 424 4 HOH HOH 424 A HOH 425 4 HOH HOH 425 A HOH 426 4 HOH HOH 426 A HOH 427 4 HOH HOH 427 A HOH 428 4 HOH HOH 428 A HOH 429 4 HOH HOH 429 A HOH 430 4 HOH HOH 430 A HOH 431 4 HOH HOH 431 A HOH 432 4 HOH HOH 432 A HOH 433 4 HOH HOH 433 A HOH 434 4 HOH HOH 434 A HOH 435 4 HOH HOH 435 A HOH 436 4 HOH HOH 436 A HOH 437 4 HOH HOH 437 A HOH 438 4 HOH HOH 438 A HOH 439 4 HOH HOH 439 A HOH 440 4 HOH HOH 440 A HOH 441 4 HOH HOH 441 A HOH 442 4 HOH HOH 442 A HOH 443 4 HOH HOH 443 A HOH 444 4 HOH HOH 444 A HOH 445 4 HOH HOH 445 A HOH 446 4 HOH HOH 446 A HOH 447 4 HOH HOH 447 A HOH 448 4 HOH HOH 448 A HOH 449 4 HOH HOH 449 A HOH 450 4 HOH HOH 450 A HOH 451 4 HOH HOH 451 A HOH 452 4 HOH HOH 452 A HOH 453 4 HOH HOH 453 A HOH 454 4 HOH HOH 454 A HOH 455 4 HOH HOH 455 A HOH 456 4 HOH HOH 456 A HOH 459 4 HOH HOH 459 A HOH 460 4 HOH HOH 460 A HOH 461 4 HOH HOH 461 A HOH 462 4 HOH HOH 462 A HOH 463 4 HOH HOH 463 A HOH 464 4 HOH HOH 464 A HOH 465 4 HOH HOH 465 A HOH 466 4 HOH HOH 466 A HOH 467 4 HOH HOH 467 A HOH 468 4 HOH HOH 468 A HOH 470 4 HOH HOH 470 A HOH 471 4 HOH HOH 471 A HOH 472 4 HOH HOH 472 A HOH 475 4 HOH HOH 475 A HOH 476 4 HOH HOH 476 A HOH 477 4 HOH HOH 477 A HOH 478 4 HOH HOH 478 A HOH 480 4 HOH HOH 480 A HOH 481 4 HOH HOH 481 A HOH 482 4 HOH HOH 482 A HOH 483 4 HOH HOH 483 A HOH 484 4 HOH HOH 484 A HOH 485 4 HOH HOH 485 A HOH 486 4 HOH HOH 486 A HOH 487 4 HOH HOH 487 A HOH 488 4 HOH HOH 488 A HOH 489 4 HOH HOH 489 A HOH 490 4 HOH HOH 490 A HOH 491 4 HOH HOH 491 A HOH 492 4 HOH HOH 492 A HOH 493 4 HOH HOH 493 A HOH 494 4 HOH HOH 494 A HOH 495 4 HOH HOH 495 A HOH 496 4 HOH HOH 496 A HOH 497 4 HOH HOH 497 A HOH 498 4 HOH HOH 498 A HOH 499 4 HOH HOH 499 A HOH 500 4 HOH HOH 500 A HOH 501 4 HOH HOH 501 A HOH 502 4 HOH HOH 502 A HOH 503 4 HOH HOH 503 A HOH 504 4 HOH HOH 504 A HOH 505 4 HOH HOH 505 A HOH 506 4 HOH HOH 506 A HOH 507 4 HOH HOH 507 A HOH 508 4 HOH HOH 508 A HOH 509 4 HOH HOH 509 A HOH 510 4 HOH HOH 510 A HOH 511 4 HOH HOH 511 A HOH 512 4 HOH HOH 512 A HOH 514 4 HOH HOH 514 A HOH 515 4 HOH HOH 515 A HOH 516 4 HOH HOH 516 A HOH 517 4 HOH HOH 517 A HOH 518 4 HOH HOH 518 A HOH 519 4 HOH HOH 519 A HOH 520 4 HOH HOH 520 A HOH 521 4 HOH HOH 521 A HOH 522 4 HOH HOH 522 A HOH 523 4 HOH HOH 523 A HOH 524 4 HOH HOH 524 A HOH 525 4 HOH HOH 525 A HOH 526 4 HOH HOH 526 A HOH 527 4 HOH HOH 527 A HOH 528 4 HOH HOH 528 A HOH 529 4 HOH HOH 529 A HOH 530 4 HOH HOH 530 A HOH 531 4 HOH HOH 531 A HOH 532 4 HOH HOH 532 A HOH 533 4 HOH HOH 533 A HOH 534 4 HOH HOH 534 A HOH 535 4 HOH HOH 535 A HOH 536 4 HOH HOH 536 A HOH 537 4 HOH HOH 537 A HOH 538 4 HOH HOH 538 A HOH 539 4 HOH HOH 539 A HOH 540 4 HOH HOH 540 A HOH 543 4 HOH HOH 543 A HOH 544 4 HOH HOH 544 A HOH 545 4 HOH HOH 545 A HOH 546 4 HOH HOH 546 A HOH 547 4 HOH HOH 547 A HOH 548 4 HOH HOH 548 A HOH 549 4 HOH HOH 549 A HOH 550 4 HOH HOH 550 A HOH 551 4 HOH HOH 551 A HOH 552 4 HOH HOH 552 A HOH 553 4 HOH HOH 553 A HOH 554 4 HOH HOH 554 A HOH 555 4 HOH HOH 555 A MET 0 n 1 MET 0 A ASP 1 n 2 ASP 1 A CYS 2 n 3 CYS 2 A SER 3 n 4 SER 3 A THR 4 n 5 THR 4 A ASN 5 n 6 ASN 5 A ILE 6 n 7 ILE 6 A SER 7 n 8 SER 7 A PRO 8 n 9 PRO 8 A LYS 9 n 10 LYS 9 A GLN 10 n 11 GLN 10 A GLY 11 n 12 GLY 11 A LEU 12 n 13 LEU 12 A ASP 13 n 14 ASP 13 A LYS 14 n 15 LYS 14 A ALA 15 n 16 ALA 15 A LYS 16 n 17 LYS 16 A TYR 17 n 18 TYR 17 A PHE 18 n 19 PHE 18 A SER 19 n 20 SER 19 A GLY 20 n 21 GLY 20 A LYS 21 n 22 LYS 21 A TRP 22 n 23 TRP 22 A TYR 23 n 24 TYR 23 A VAL 24 n 25 VAL 24 A THR 25 n 26 THR 25 A HIS 26 n 27 HIS 26 A PHE 27 n 28 PHE 27 A LEU 28 n 29 LEU 28 A ASP 29 n 30 ASP 29 A LYS 30 n 31 LYS 30 A ASP 31 n 32 ASP 31 A PRO 32 n 33 PRO 32 A GLN 33 n 34 GLN 33 A VAL 34 n 35 VAL 34 A THR 35 n 36 THR 35 A ASP 36 n 37 ASP 36 A GLN 37 n 38 GLN 37 A TYR 38 n 39 TYR 38 A CYS 39 n 40 CYS 39 A SER 40 n 41 SER 40 A SER 41 n 42 SER 41 A PHE 42 n 43 PHE 42 A THR 43 n 44 THR 43 A PRO 44 n 45 PRO 44 A ARG 45 n 46 ARG 45 A GLU 46 n 47 GLU 46 A SER 47 n 48 SER 47 A ASP 48 n 49 ASP 48 A GLY 49 n 50 GLY 49 A THR 50 n 51 THR 50 A VAL 51 n 52 VAL 51 A LYS 52 n 53 LYS 52 A GLU 53 n 54 GLU 53 A ALA 54 n 55 ALA 54 A LEU 55 n 56 LEU 55 A TYR 56 n 57 TYR 56 A HIS 57 n 58 HIS 57 A TYR 58 n 59 TYR 58 A ASN 59 n 60 ASN 59 A ALA 60 n 61 ALA 60 A ASN 61 n 62 ASN 61 A LYS 62 n 63 LYS 62 A LYS 63 n 64 LYS 63 A THR 64 n 65 THR 64 A SER 65 n 66 SER 65 A PHE 66 n 67 PHE 66 A TYR 67 n 68 TYR 67 A ASN 68 n 69 ASN 68 A ILE 69 n 70 ILE 69 A GLY 70 n 71 GLY 70 A GLU 71 n 72 GLU 71 A GLY 72 n 73 GLY 72 A LYS 73 n 74 LYS 73 A LEU 74 n 75 LEU 74 A GLU 75 n 76 GLU 75 A SER 76 n 77 SER 76 A SER 77 n 78 SER 77 A GLY 78 n 79 GLY 78 A LEU 79 n 80 LEU 79 A GLN 80 n 81 GLN 80 A TYR 81 n 82 TYR 81 A THR 82 n 83 THR 82 A ALA 83 n 84 ALA 83 A LYS 84 n 85 LYS 84 A TYR 85 n 86 TYR 85 A LYS 86 n 87 LYS 86 A THR 87 n 88 THR 87 A VAL 88 n 89 VAL 88 A ASP 89 n 90 ASP 89 A LYS 90 n 91 LYS 90 A LYS 91 n 92 LYS 91 A LYS 92 n 93 LYS 92 A ALA 93 n 94 ALA 93 A VAL 94 n 95 VAL 94 A LEU 95 n 96 LEU 95 A LYS 96 n 97 LYS 96 A GLU 97 n 98 GLU 97 A ALA 98 n 99 ALA 98 A ASP 99 n 100 ASP 99 A GLU 100 n 101 GLU 100 A LYS 101 n 102 LYS 101 A ASN 102 n 103 ASN 102 A SER 103 n 104 SER 103 A TYR 104 n 105 TYR 104 A THR 105 n 106 THR 105 A LEU 106 n 107 LEU 106 A THR 107 n 108 THR 107 A VAL 108 n 109 VAL 108 A LEU 109 n 110 LEU 109 A GLU 110 n 111 GLU 110 A ALA 111 n 112 ALA 111 A ASP 112 n 113 ASP 112 A ASP 113 n 114 ASP 113 A SER 114 n 115 SER 114 A SER 115 n 116 SER 115 A ALA 116 n 117 ALA 116 A LEU 117 n 118 LEU 117 A VAL 118 n 119 VAL 118 A HIS 119 n 120 HIS 119 A ILE 120 n 121 ILE 120 A CYS 121 n 122 CYS 121 A LEU 122 n 123 LEU 122 A ARG 123 n 124 ARG 123 A GLU 124 n 125 GLU 124 A GLY 125 n 126 GLY 125 A SER 126 n 127 SER 126 A LYS 127 n 128 LYS 127 A ASP 128 n 129 ASP 128 A LEU 129 n 130 LEU 129 A GLY 130 n 131 GLY 130 A ASP 131 n 132 ASP 131 A LEU 132 n 133 LEU 132 A TYR 133 n 134 TYR 133 A THR 134 n 135 THR 134 A VAL 135 n 136 VAL 135 A LEU 136 n 137 LEU 136 A THR 137 n 138 THR 137 A HIS 138 n 139 HIS 138 A GLN 139 n 140 GLN 139 A LYS 140 n 141 LYS 140 A ASP 141 n 142 ASP 141 A ALA 142 n 143 ALA 142 A GLU 143 n 144 GLU 143 A PRO 144 n 145 PRO 144 A SER 145 n 146 SER 145 A ALA 146 n 147 ALA 146 A LYS 147 n 148 LYS 147 A VAL 148 n 149 VAL 148 A LYS 149 n 150 LYS 149 A SER 150 n 151 SER 150 A ALA 151 n 152 ALA 151 A VAL 152 n 153 VAL 152 A THR 153 n 154 THR 153 A GLN 154 n 155 GLN 154 A ALA 155 n 156 ALA 155 A GLY 156 n 157 GLY 156 A LEU 157 n 158 LEU 157 A GLN 158 n 159 GLN 158 A LEU 159 n 160 LEU 159 A SER 160 n 161 SER 160 A GLN 161 n 162 GLN 161 A PHE 162 n 163 PHE 162 A VAL 163 n 164 VAL 163 A GLY 164 n 165 GLY 164 A THR 165 n 166 THR 165 A LYS 166 n 167 LYS 166 A ASP 167 n 168 ASP 167 A LEU 168 n 169 LEU 168 A GLY 169 n 170 GLY 169 A CYS 170 n 171 CYS 170 A GLN 171 n 172 GLN 171 A TYR 172 n 173 TYR 172 A ASP 173 n 174 ASP 173 A ASP 174 n 175 ASP 174 A GLN 175 n 176 GLN 175 A PHE 176 n 177 PHE 176 A THR 177 n 178 THR 177 A SER 178 n 179 SER 178 A LEU 179 n 180 LEU 179 A author_defined_assembly 1 monomeric A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NA HEM 1_555 92.4 A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 88.9 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 87.1 A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 86.9 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 179.2 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 92.6 A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 89.8 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 92.4 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 178.7 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 87.9 A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 178.0 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 88.6 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 92.9 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 92.1 A HEM 201 B ND HEM 1_555 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 88.4 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 O LEU 95 A O LEU 96 A N THR 87 A N THR 88 A O LYS 84 A O LYS 85 A N GLU 71 A N GLU 72 A O THR 64 A O THR 65 A N ASN 59 A N ASN 60 A O TYR 58 A O TYR 59 A N CYS 39 A N CYS 40 A O PHE 42 A O PHE 43 A N TRP 22 A N TRP 23 A N PHE 27 A N PHE 28 A O VAL 163 A O VAL 164 A O LEU 95 A O LEU 96 A N THR 87 A N THR 88 A N ALA 83 A N ALA 84 A O TYR 104 A O TYR 105 A N SER 103 A N SER 104 A O ARG 123 A O ARG 124 A N ILE 120 A N ILE 121 A O LEU 132 A O LEU 133 A O THR 137 A O THR 138 A N TYR 23 A N TYR 24 A N PHE 27 A N PHE 28 A O VAL 163 A O VAL 164 1 A HOH 435 D HOH 1 A HOH 455 D HOH 1 7.14 0.90 118.30 125.44 A A A CB CG OD2 ASP ASP ASP 36 36 36 N 1 5.91 0.90 118.30 124.21 A A A CB CG OD2 ASP ASP ASP 131 131 131 N 1 A SER 47 -161.28 113.38 1 A ASP 99 -124.70 -164.06 20.0 0.05 0.00 0.00 0.05 0.00 -0.10 0.957 0.932 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. ANISOTROPIC B REFINED FOR FE ATOM ONLY 0.2398 0.18559 0.1883 0.18831 1.50 34 967 19111 18110 5.1 71.03 2.110 0.076 RANDOM 1 isotropic THROUGHOUT 0.0 MOLECULAR REPLACEMENT 0.119 0.123 0.80 0.80 1.40 PDB entry 1EUO BABINET MODEL WITH MASK 0.123 0.119 0.076 1.50 34 169 1629 48 0 1412 0.020 0.021 1495 0.002 0.020 1267 1.917 2.056 2030 1.267 3.000 2986 7.170 5.000 179 0.116 0.200 215 0.009 0.020 1644 0.001 0.020 267 0.188 0.200 246 0.249 0.200 1352 0.086 0.200 833 0.175 0.200 100 0.147 0.200 16 0.260 0.200 52 0.149 0.200 30 1.216 1.500 893 1.984 2.000 1435 2.775 3.000 602 4.068 4.500 595 1.380 2.000 1 0.345 0.241 1.620 128 2367 2367 7 48 12.2 1.5 34 1PEE 19111 19111 0.0 0.0 0.054 0.057 1 26.2 4.1 74 0.125 1.50 1.55 1.0 2600 0.125 1.84 43.4 refinement REFMAC 5.1.22 data collection Blu-Ice data scaling d*TREK phasing MOLREP V. 7.3 Crystal Structure of Nitrophorin 2 complex with imidazole 1 N N 2 N N 3 N N 4 N N A ASP 13 A ASP 14 HELX_P A PHE 18 A PHE 19 1 1 6 A SER 145 A SER 146 HELX_P A ALA 155 A ALA 156 1 2 11 A GLN 158 A GLN 159 HELX_P A PHE 162 A PHE 163 5 3 5 A LYS 166 A LYS 167 HELX_P A GLY 169 A GLY 170 5 4 4 A ASP 173 A ASP 174 HELX_P A SER 178 A SER 179 1 5 6 disulf 2.000 A CYS 2 A SG CYS 3 1_555 A CYS 121 A SG CYS 122 1_555 disulf 1.987 A CYS 39 A SG CYS 40 1_555 A CYS 170 A SG CYS 171 1_555 metalc 2.040 A HIS 57 A NE2 HIS 58 1_555 A HEM 201 B FE HEM 1_555 metalc 2.104 A HEM 201 B FE HEM 1_555 A IMD 202 C N1 IMD 1_555 SIGNALING PROTEIN beta barrel, lipocalin, imidazole, ferric heme, dimer, SIGNALING PROTEIN NP2_RHOPR UNP 1 23 Q26241 GDCSTNISPKQGLDKAKYFSGKWYVTHFLDKDPQVTDQYCSSFTPRESDGTVKEALYHYNANKKTSFYNIGEGKLESSGL QYTAKYKTVDKKKAVLKEADEKNSYTLTVLEADDSSALVHICLREGSKDLGDLYTVLTHQKDAEPSAKVKSAVTQAGLQL SQFVGTKDLGCQYDDQFTSL 23 202 1PEE 0 179 Q26241 A 1 1 180 1 GLY cloning artifact MET 0 1PEE A Q26241 UNP 23 1 7 7 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 VAL 94 A VAL 95 A LYS 96 A LYS 97 A GLN 80 A GLN 81 A VAL 88 A VAL 89 A THR 64 A THR 65 A LEU 74 A LEU 75 A THR 50 A THR 51 A ASN 59 A ASN 60 A TYR 38 A TYR 39 A SER 47 A SER 48 A TRP 22 A TRP 23 A ASP 29 A ASP 30 A VAL 163 A VAL 164 A GLY 164 A GLY 165 A VAL 94 A VAL 95 A LYS 96 A LYS 97 A GLN 80 A GLN 81 A VAL 88 A VAL 89 A ASN 102 A ASN 103 A ALA 111 A ALA 112 A SER 115 A SER 116 A GLU 124 A GLU 125 A LYS 127 A LYS 128 A THR 137 A THR 138 A TRP 22 A TRP 23 A ASP 29 A ASP 30 A VAL 163 A VAL 164 A GLY 164 A GLY 165 BINDING SITE FOR RESIDUE HEM A 201 A HEM 201 Software 15 BINDING SITE FOR RESIDUE IMD A 202 A IMD 202 Software 2 A PHE 27 A PHE 28 15 1_555 A TYR 38 A TYR 39 15 1_555 A SER 40 A SER 41 15 1_555 A LEU 55 A LEU 56 15 1_555 A HIS 57 A HIS 58 15 1_555 A TYR 85 A TYR 86 15 1_555 A LYS 96 A LYS 97 15 7_556 A TYR 104 A TYR 105 15 1_555 A ILE 120 A ILE 121 15 1_555 A LEU 132 A LEU 133 15 1_555 A IMD 202 C IMD 15 1_555 A HOH 316 D HOH 15 1_555 A HOH 456 D HOH 15 1_555 A HOH 459 D HOH 15 1_555 A HOH 507 D HOH 15 1_555 A HEM 201 B HEM 2 1_555 A HOH 325 D HOH 2 1_555 92 P 41 21 2