0.014176 0.000000 0.001038 0.000000 0.022909 0.000000 0.000000 0.000000 0.018876 0.00000 0.00000 0.00000 Andersen, J.F. Weichsel, A. Champagne, D.E. Balfour, C.A. Montfort, W.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 94.19 90.00 70.540 43.650 53.120 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 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 H3 N 17.031 AMMONIA non-polymer 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 N 258 N N N 259 S C N 260 N C N 261 N O N 262 N C 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 H N 277 N H N 278 N H N 279 N H N 280 N N N 281 S C N 282 N C N 283 N O N 284 N C N 285 N C N 286 N C N 287 N C N 288 N N N 289 N O N 290 N H N 291 N H N 292 N H N 293 N H N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N N N 306 S C N 307 N C N 308 N O N 309 N C N 310 N C N 311 N S N 312 N C 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 H N 322 N H N 323 N H N 324 N H N 325 N N N 326 N H N 327 N H N 328 N H N 329 N N N 330 S C N 331 N C N 332 N O N 333 N C Y 334 N C Y 335 N C Y 336 N C Y 337 N C Y 338 N C Y 339 N C N 340 N O N 341 N H N 342 N H N 343 N H N 344 N H N 345 N H N 346 N H N 347 N H N 348 N H N 349 N H N 350 N H N 351 N H N 352 N N N 353 S C N 354 N C N 355 N O N 356 N C N 357 N C N 358 N C N 359 N O N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N N N 370 S C N 371 N C N 372 N O N 373 N C N 374 N O N 375 N O N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N N N 384 S C N 385 N C N 386 N O N 387 R C N 388 N O N 389 N C N 390 N O N 391 N H N 392 N H N 393 N H N 394 N H N 395 N H N 396 N H N 397 N H N 398 N H N 399 N H N 400 N N N 401 S C N 402 N C N 403 N O N 404 N C Y 405 N C Y 406 N C Y 407 N C Y 408 N N Y 409 N C Y 410 N C Y 411 N C Y 412 N C Y 413 N C N 414 N O N 415 N H N 416 N H N 417 N H N 418 N H N 419 N H N 420 N H 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 N N 428 S C N 429 N C N 430 N O N 431 N C Y 432 N C Y 433 N C Y 434 N C Y 435 N C Y 436 N C Y 437 N C N 438 N O N 439 N O N 440 N H N 441 N H N 442 N H N 443 N H N 444 N H N 445 N H N 446 N H N 447 N H N 448 N H N 449 N H N 450 N H N 451 N N N 452 S C N 453 N C N 454 N O N 455 N C N 456 N C N 457 N C N 458 N O N 459 N H N 460 N H N 461 N H N 462 N H N 463 N H N 464 N H N 465 N H N 466 N H N 467 N H N 468 N H N 469 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 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 doub 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 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 doub 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 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 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 doub N 329 N sing N 330 N sing N 331 N sing N 332 N sing Y 333 N doub Y 334 N sing Y 335 N sing N 336 N sing Y 337 N doub N 338 N sing Y 339 N doub N 340 N sing Y 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 N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N doub 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 sing N 380 N sing N 381 N doub N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing 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 doub N 398 N sing N 399 N sing N 400 N sing N 401 N sing Y 402 N doub Y 403 N sing Y 404 N sing N 405 N sing Y 406 N doub Y 407 N sing Y 408 N sing N 409 N sing Y 410 N sing Y 411 N doub N 412 N sing Y 413 N doub N 414 N sing Y 415 N sing N 416 N sing N 417 N sing N 418 N sing N 419 N sing N 420 N sing N 421 N sing N 422 N sing N 423 N sing N 424 N sing N 425 N doub N 426 N sing N 427 N sing N 428 N sing N 429 N sing Y 430 N doub Y 431 N sing Y 432 N sing N 433 N sing Y 434 N doub N 435 N sing Y 436 N doub N 437 N sing Y 438 N sing N 439 N sing N 440 N sing N 441 N sing N 442 N sing N 443 N sing N 444 N sing N 445 N sing N 446 N sing N 447 N sing N 448 N sing N 449 N doub 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 sing N 457 N sing N 458 N sing N 459 N sing N 460 N sing UK Structure STRUE6 2005 0969-2126 6 1315 1327 10.1016/S0969-2126(98)00131-2 9782054 The crystal structure of nitrophorin 4 at 1.5 A resolution: transport of nitric oxide by a lipocalin-based heme protein. 1998 10.2210/pdb1np4/pdb pdb_00001np4 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293.0 1 COLLIMATOR AREA DETECTOR 1997-10-22 ENRAF-NONIUS GRAPHITE SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE ENRAF-NONIUS FR571 20292.664 PROTEIN (NITROPHORIN 4) 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer 17.031 AMMONIA 1 syn non-polymer 18.015 water 76 nat water NP4 no no ACTKNAIAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQVESLG KYTANFKKVDKNGNVKVAVTAGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVKSAVSAATLEF SKFISTKENNCAYDNDSLKSLLTK ACTKNAIAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQVESLG KYTANFKKVDKNGNVKVAVTAGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVKSAVSAATLEF SKFISTKENNCAYDNDSLKSLLTK 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 n n n n Rhodnius Escherichia Escherichia coli sample 13249 SALIVARY GLAND Rhodnius prolixus 469008 Escherichia coli BL21(DE3) BL21 (DE3) PET17B PET17B-NP4 1 2.01 38.79 5.6 2.8 M AMMONIUM PHOSPHATE, 0.1 M NA CACODYLATE, PH 5.6 (FINAL PH 7.5), ROOM TEMPERATURE room temp software chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_site repository Initial release Version format compliance Version format compliance Refinement description Data collection Database references Derived calculations Refinement description 1 0 1998-08-05 1 1 2008-04-27 1 2 2011-07-13 1 3 2017-10-04 1 4 2023-08-16 _software.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id BNL Y RCSB 1998-07-29 REL HEM PROTOPORPHYRIN IX CONTAINING FE NH3 AMMONIA HOH water 1NP1 PDB ENTRY 1NP1 PDB experimental model HEM 185 2 HEM HEM 185 A NH3 262 3 NH3 NH3 262 A HOH 186 4 HOH HOH 186 A HOH 187 4 HOH HOH 187 A HOH 188 4 HOH HOH 188 A HOH 189 4 HOH HOH 189 A HOH 190 4 HOH HOH 190 A HOH 191 4 HOH HOH 191 A HOH 192 4 HOH HOH 192 A HOH 193 4 HOH HOH 193 A HOH 194 4 HOH HOH 194 A HOH 195 4 HOH HOH 195 A HOH 196 4 HOH HOH 196 A HOH 197 4 HOH HOH 197 A HOH 198 4 HOH HOH 198 A HOH 199 4 HOH HOH 199 A HOH 200 4 HOH HOH 200 A HOH 201 4 HOH HOH 201 A HOH 202 4 HOH HOH 202 A HOH 203 4 HOH HOH 203 A HOH 204 4 HOH HOH 204 A HOH 205 4 HOH HOH 205 A HOH 206 4 HOH HOH 206 A HOH 207 4 HOH HOH 207 A HOH 208 4 HOH HOH 208 A HOH 209 4 HOH HOH 209 A HOH 210 4 HOH HOH 210 A HOH 211 4 HOH HOH 211 A HOH 212 4 HOH HOH 212 A HOH 213 4 HOH HOH 213 A HOH 214 4 HOH HOH 214 A HOH 215 4 HOH HOH 215 A HOH 216 4 HOH HOH 216 A HOH 217 4 HOH HOH 217 A HOH 218 4 HOH HOH 218 A HOH 219 4 HOH HOH 219 A HOH 220 4 HOH HOH 220 A HOH 221 4 HOH HOH 221 A HOH 222 4 HOH HOH 222 A HOH 223 4 HOH HOH 223 A HOH 224 4 HOH HOH 224 A HOH 225 4 HOH HOH 225 A HOH 226 4 HOH HOH 226 A HOH 227 4 HOH HOH 227 A HOH 228 4 HOH HOH 228 A HOH 229 4 HOH HOH 229 A HOH 230 4 HOH HOH 230 A HOH 231 4 HOH HOH 231 A HOH 232 4 HOH HOH 232 A HOH 233 4 HOH HOH 233 A HOH 234 4 HOH HOH 234 A HOH 235 4 HOH HOH 235 A HOH 236 4 HOH HOH 236 A HOH 237 4 HOH HOH 237 A HOH 238 4 HOH HOH 238 A HOH 239 4 HOH HOH 239 A HOH 240 4 HOH HOH 240 A HOH 241 4 HOH HOH 241 A HOH 242 4 HOH HOH 242 A HOH 243 4 HOH HOH 243 A HOH 244 4 HOH HOH 244 A HOH 245 4 HOH HOH 245 A HOH 246 4 HOH HOH 246 A HOH 247 4 HOH HOH 247 A HOH 248 4 HOH HOH 248 A HOH 249 4 HOH HOH 249 A HOH 250 4 HOH HOH 250 A HOH 251 4 HOH HOH 251 A HOH 252 4 HOH HOH 252 A HOH 253 4 HOH HOH 253 A HOH 254 4 HOH HOH 254 A HOH 255 4 HOH HOH 255 A HOH 256 4 HOH HOH 256 A HOH 257 4 HOH HOH 257 A HOH 258 4 HOH HOH 258 A HOH 259 4 HOH HOH 259 A HOH 260 4 HOH HOH 260 A HOH 261 4 HOH HOH 261 A ALA 1 n 1 ALA 1 A CYS 2 n 2 CYS 2 A THR 3 n 3 THR 3 A LYS 4 n 4 LYS 4 A ASN 5 n 5 ASN 5 A ALA 6 n 6 ALA 6 A ILE 7 n 7 ILE 7 A ALA 8 n 8 ALA 8 A GLN 9 n 9 GLN 9 A THR 10 n 10 THR 10 A GLY 11 n 11 GLY 11 A PHE 12 n 12 PHE 12 A ASN 13 n 13 ASN 13 A LYS 14 n 14 LYS 14 A ASP 15 n 15 ASP 15 A LYS 16 n 16 LYS 16 A TYR 17 n 17 TYR 17 A PHE 18 n 18 PHE 18 A ASN 19 n 19 ASN 19 A GLY 20 n 20 GLY 20 A ASP 21 n 21 ASP 21 A VAL 22 n 22 VAL 22 A TRP 23 n 23 TRP 23 A TYR 24 n 24 TYR 24 A VAL 25 n 25 VAL 25 A THR 26 n 26 THR 26 A ASP 27 n 27 ASP 27 A TYR 28 n 28 TYR 28 A LEU 29 n 29 LEU 29 A ASP 30 n 30 ASP 30 A LEU 31 n 31 LEU 31 A GLU 32 n 32 GLU 32 A PRO 33 n 33 PRO 33 A ASP 34 n 34 ASP 34 A ASP 35 n 35 ASP 35 A VAL 36 n 36 VAL 36 A PRO 37 n 37 PRO 37 A LYS 38 n 38 LYS 38 A ARG 39 n 39 ARG 39 A TYR 40 n 40 TYR 40 A CYS 41 n 41 CYS 41 A ALA 42 n 42 ALA 42 A ALA 43 n 43 ALA 43 A LEU 44 n 44 LEU 44 A ALA 45 n 45 ALA 45 A ALA 46 n 46 ALA 46 A GLY 47 n 47 GLY 47 A THR 48 n 48 THR 48 A ALA 49 n 49 ALA 49 A SER 50 n 50 SER 50 A GLY 51 n 51 GLY 51 A LYS 52 n 52 LYS 52 A LEU 53 n 53 LEU 53 A LYS 54 n 54 LYS 54 A GLU 55 n 55 GLU 55 A ALA 56 n 56 ALA 56 A LEU 57 n 57 LEU 57 A TYR 58 n 58 TYR 58 A HIS 59 n 59 HIS 59 A TYR 60 n 60 TYR 60 A ASP 61 n 61 ASP 61 A PRO 62 n 62 PRO 62 A LYS 63 n 63 LYS 63 A THR 64 n 64 THR 64 A GLN 65 n 65 GLN 65 A ASP 66 n 66 ASP 66 A THR 67 n 67 THR 67 A PHE 68 n 68 PHE 68 A TYR 69 n 69 TYR 69 A ASP 70 n 70 ASP 70 A VAL 71 n 71 VAL 71 A SER 72 n 72 SER 72 A GLU 73 n 73 GLU 73 A LEU 74 n 74 LEU 74 A GLN 75 n 75 GLN 75 A VAL 76 n 76 VAL 76 A GLU 77 n 77 GLU 77 A SER 78 n 78 SER 78 A LEU 79 n 79 LEU 79 A GLY 80 n 80 GLY 80 A LYS 81 n 81 LYS 81 A TYR 82 n 82 TYR 82 A THR 83 n 83 THR 83 A ALA 84 n 84 ALA 84 A ASN 85 n 85 ASN 85 A PHE 86 n 86 PHE 86 A LYS 87 n 87 LYS 87 A LYS 88 n 88 LYS 88 A VAL 89 n 89 VAL 89 A ASP 90 n 90 ASP 90 A LYS 91 n 91 LYS 91 A ASN 92 n 92 ASN 92 A GLY 93 n 93 GLY 93 A ASN 94 n 94 ASN 94 A VAL 95 n 95 VAL 95 A LYS 96 n 96 LYS 96 A VAL 97 n 97 VAL 97 A ALA 98 n 98 ALA 98 A VAL 99 n 99 VAL 99 A THR 100 n 100 THR 100 A ALA 101 n 101 ALA 101 A GLY 102 n 102 GLY 102 A ASN 103 n 103 ASN 103 A TYR 104 n 104 TYR 104 A TYR 105 n 105 TYR 105 A THR 106 n 106 THR 106 A PHE 107 n 107 PHE 107 A THR 108 n 108 THR 108 A VAL 109 n 109 VAL 109 A MET 110 n 110 MET 110 A TYR 111 n 111 TYR 111 A ALA 112 n 112 ALA 112 A ASP 113 n 113 ASP 113 A ASP 114 n 114 ASP 114 A SER 115 n 115 SER 115 A SER 116 n 116 SER 116 A ALA 117 n 117 ALA 117 A LEU 118 n 118 LEU 118 A ILE 119 n 119 ILE 119 A HIS 120 n 120 HIS 120 A THR 121 n 121 THR 121 A CYS 122 n 122 CYS 122 A LEU 123 n 123 LEU 123 A HIS 124 n 124 HIS 124 A LYS 125 n 125 LYS 125 A GLY 126 n 126 GLY 126 A ASN 127 n 127 ASN 127 A LYS 128 n 128 LYS 128 A ASP 129 n 129 ASP 129 A LEU 130 n 130 LEU 130 A GLY 131 n 131 GLY 131 A ASP 132 n 132 ASP 132 A LEU 133 n 133 LEU 133 A TYR 134 n 134 TYR 134 A ALA 135 n 135 ALA 135 A VAL 136 n 136 VAL 136 A LEU 137 n 137 LEU 137 A ASN 138 n 138 ASN 138 A ARG 139 n 139 ARG 139 A ASN 140 n 140 ASN 140 A LYS 141 n 141 LYS 141 A ASP 142 n 142 ASP 142 A ALA 143 n 143 ALA 143 A ALA 144 n 144 ALA 144 A ALA 145 n 145 ALA 145 A GLY 146 n 146 GLY 146 A ASP 147 n 147 ASP 147 A LYS 148 n 148 LYS 148 A VAL 149 n 149 VAL 149 A LYS 150 n 150 LYS 150 A SER 151 n 151 SER 151 A ALA 152 n 152 ALA 152 A VAL 153 n 153 VAL 153 A SER 154 n 154 SER 154 A ALA 155 n 155 ALA 155 A ALA 156 n 156 ALA 156 A THR 157 n 157 THR 157 A LEU 158 n 158 LEU 158 A GLU 159 n 159 GLU 159 A PHE 160 n 160 PHE 160 A SER 161 n 161 SER 161 A LYS 162 n 162 LYS 162 A PHE 163 n 163 PHE 163 A ILE 164 n 164 ILE 164 A SER 165 n 165 SER 165 A THR 166 n 166 THR 166 A LYS 167 n 167 LYS 167 A GLU 168 n 168 GLU 168 A ASN 169 n 169 ASN 169 A ASN 170 n 170 ASN 170 A CYS 171 n 171 CYS 171 A ALA 172 n 172 ALA 172 A TYR 173 n 173 TYR 173 A ASP 174 n 174 ASP 174 A ASN 175 n 175 ASN 175 A ASP 176 n 176 ASP 176 A SER 177 n 177 SER 177 A LEU 178 n 178 LEU 178 A LYS 179 n 179 LYS 179 A SER 180 n 180 SER 180 A LEU 181 n 181 LEU 181 A LEU 182 n 182 LEU 182 A THR 183 n 183 THR 183 A LYS 184 n 184 LYS 184 A author_defined_assembly 1 monomeric A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NA HEM 1_555 89.4 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NB HEM 1_555 90.0 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NB HEM 1_555 89.9 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NC HEM 1_555 90.3 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NC HEM 1_555 179.3 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NC HEM 1_555 90.7 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 91.3 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 89.0 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 178.3 A HEM 185 B NC HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 90.3 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 175.1 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 88.9 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 94.5 A HEM 185 B NC HEM 1_555 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 91.4 A HEM 185 B ND HEM 1_555 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 84.1 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 TRP 23 A O TRP 23 A N LEU 44 A N LEU 44 A O CYS 41 A O CYS 41 A N TYR 60 A N TYR 60 A O GLU 55 A O GLU 55 A N SER 72 A N SER 72 A O TYR 69 A O TYR 69 A N VAL 89 A N VAL 89 A O TYR 82 A O TYR 82 A N PHE 107 A N PHE 107 A O TYR 104 A O TYR 104 A N HIS 124 A N HIS 124 A O ALA 117 A O ALA 117 A N LEU 137 A N LEU 137 A O TYR 134 A O TYR 134 A N LEU 29 A N LEU 29 1 A HOH 193 D HOH 1 A HOH 194 D HOH 1 A HOH 195 D HOH 1 A HOH 196 D HOH PROTEIN_REP.PARAM TOPHCSDX.PRO PARAM19X.HEME TOPH19X.HEME PARAM19.SOL TOPH19.SOL 22.53 0.262 0.012 0.204 0.204 1.50 21.0 2253 22822 10.000 82.0 RANDOM 10000000.000 0.0010 1 THROUGHOUT 0 MOLECULAR REPLACEMENT PDB ENTRY 1NP1 0.23 0.19 5.00 1.50 21.0 76 1548 44 0 1428 0.006 1.35 0.275 0.02 0.28 1.57 218 2112 8 10.00 18.66 1.50 22.0 1NP4 23988 0.000 0.039 1 9.2000 2.100 91.1 1.50 1.55 5.300 0.135 1.40 74.1 data collection MADNESS data reduction ROTAVATA model building CCP4 refinement X-PLOR 3.851 data reduction MADNESS data scaling CCP4 (AGROVATA data scaling ROTAVATA phasing CCP4 CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS 1 N N 2 N N 3 N N 4 N N A LYS 14 A LYS 14 HELX_P A TYR 17 A TYR 17 1 1 4 A ASP 147 A ASP 147 HELX_P A ALA 156 A ALA 156 1 2 10 A PHE 160 A PHE 160 HELX_P A LYS 162 A LYS 162 5 3 3 A LYS 167 A LYS 167 HELX_P A ASN 169 A ASN 169 5 4 3 A ASN 175 A ASN 175 HELX_P A LEU 182 A LEU 182 1 5 8 disulf 2.024 A CYS 2 A SG CYS 2 1_555 A CYS 122 A SG CYS 122 1_555 disulf 2.028 A CYS 41 A SG CYS 41 1_555 A CYS 171 A SG CYS 171 1_555 metalc 2.022 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 metalc 2.175 A HEM 185 B FE HEM 1_555 A NH3 262 C N NH3 1_555 TRANSPORT PROTEIN NITRIC OXIDE TRANSPORT, FERRIC HEME, ANTIHISTAMINE, VASODILATOR, LIPOCALIN, BILIN BINDING PROTEIN, TRANSPORT PROTEIN NP4_RHOPR UNP 1 Q94734 22 205 1NP4 1 184 Q94734 A 1 1 184 9 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A VAL 22 A VAL 22 A TYR 24 A TYR 24 A CYS 41 A CYS 41 A ALA 49 A ALA 49 A LYS 52 A LYS 52 A TYR 60 A TYR 60 A THR 67 A THR 67 A SER 78 A SER 78 A LYS 81 A LYS 81 A VAL 89 A VAL 89 A TYR 104 A TYR 104 A ALA 112 A ALA 112 A SER 116 A SER 116 A HIS 124 A HIS 124 A ASP 132 A ASP 132 A ASN 138 A ASN 138 A TYR 24 A TYR 24 A ASP 30 A ASP 30 BINDING SITE FOR RESIDUE HEM A 185 A HEM 185 Software 15 BINDING SITE FOR RESIDUE NH3 A 262 A NH3 262 Software 2 A VAL 25 A VAL 25 15 1_555 A TYR 40 A TYR 40 15 1_555 A LEU 57 A LEU 57 15 1_555 A HIS 59 A HIS 59 15 1_555 A PHE 68 A PHE 68 15 1_555 A ASP 70 A ASP 70 15 1_555 A PHE 86 A PHE 86 15 1_555 A LYS 88 A LYS 88 15 1_555 A TYR 105 A TYR 105 15 1_555 A LEU 123 A LEU 123 15 1_555 A LYS 125 A LYS 125 15 1_555 A LEU 133 A LEU 133 15 1_555 A HOH 203 D HOH 15 1_555 A HOH 242 D HOH 15 1_555 A NH3 262 C NH3 15 1_555 A HEM 185 B HEM 2 1_555 A HOH 226 D HOH 2 1_555 5 C 1 2 1