0.014249 0.000000 0.001066 0.000000 0.023540 0.000000 0.000000 0.000000 0.018935 0.000000 0.000000 0.000000 Roberts, S.A. Weichsel, A. Qui, Y. Shelnutt, J.A. Walker, F.A. Montfort, W.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 94.28 90.00 70.180 42.480 52.960 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 US Biochemistry BICHAW 0033 0006-2960 40 11327 11337 10.1021/bi0109257 11560480 Ligand-induced heme ruffling and bent no geometry in ultra-high-resolution structures of nitrophorin 4. 2001 10.2210/pdb1ikj/pdb pdb_00001ikj 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100.0 1 MSC Blue Confocal Mirrors IMAGE PLATE 2001-02-02 RIGAKU RAXIS IV++ mirrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 1.5418 ROTATING ANODE RIGAKU RUH3R IMIDAZOLE OCCUPIES THE FE SIXTH COORDINATION POSITION THE HEME IS DISORDERED BY A ROTATION OF 180 DEGREES AROUND THE CHA-FE-CHC AXIS. THE ONLY EVIDENCE OF THIS DISORDER IS THE APPEARANCE OF METHYL GROUPS CMB AND CMC AS VINYLS. THESE EXTRA ATOMS ARE CALLED CBBB AND CBCB. THE LOOP CONTAINING RESIDUES 125-130 IS DISORDERED. IT HAS BEEN BUILT IN TWO POSITIONS, BUT THIS MODEL DOES NOT COMPLETELY EXPLAIN THE ELECTRON DENSITY. 20292.664 NITROPHORIN 4 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer 69.085 IMIDAZOLE 1 syn non-polymer 18.015 water 276 nat water 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 Rhodnius prolixus 469008 Escherichia coli BL21(DE3) BL21 (DE3) PLASMID PET-17B-NP4 1 1.94 36.58 VAPOR DIFFUSION, HANGING DROP 5.60 PEG-4000, sodium citrate, pH 5.60, VAPOR DIFFUSION, HANGING DROP, temperature 295K 295 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_conn struct_sheet struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Refinement description 1 0 2001-10-03 1 1 2008-04-27 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.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_sheet.number_strands _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id NP4 complexed with NH3 (1.15 A) NP4 complexed with NO (1.08 A) NP4 complexed with histamine NP4 complexed with cyanide RCSB Y RCSB 2001-05-03 REL REL HEM PROTOPORPHYRIN IX CONTAINING FE IMD IMIDAZOLE HOH water 1IKH pdb entry 1IKH PDB experimental model HEM 185 2 HEM HEM 185 A IMD 190 3 IMD IMD 190 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 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 HOH 262 4 HOH HOH 262 A HOH 263 4 HOH HOH 263 A HOH 264 4 HOH HOH 264 A HOH 265 4 HOH HOH 265 A HOH 266 4 HOH HOH 266 A HOH 267 4 HOH HOH 267 A HOH 268 4 HOH HOH 268 A HOH 269 4 HOH HOH 269 A HOH 270 4 HOH HOH 270 A HOH 271 4 HOH HOH 271 A HOH 272 4 HOH HOH 272 A HOH 273 4 HOH HOH 273 A HOH 274 4 HOH HOH 274 A HOH 275 4 HOH HOH 275 A HOH 276 4 HOH HOH 276 A HOH 277 4 HOH HOH 277 A HOH 278 4 HOH HOH 278 A HOH 279 4 HOH HOH 279 A HOH 281 4 HOH HOH 281 A HOH 282 4 HOH HOH 282 A HOH 284 4 HOH HOH 284 A HOH 285 4 HOH HOH 285 A HOH 286 4 HOH HOH 286 A HOH 287 4 HOH HOH 287 A HOH 288 4 HOH HOH 288 A HOH 289 4 HOH HOH 289 A HOH 290 4 HOH HOH 290 A HOH 291 4 HOH HOH 291 A HOH 292 4 HOH HOH 292 A HOH 293 4 HOH HOH 293 A HOH 294 4 HOH HOH 294 A HOH 295 4 HOH HOH 295 A HOH 296 4 HOH HOH 296 A HOH 297 4 HOH HOH 297 A HOH 298 4 HOH HOH 298 A HOH 299 4 HOH HOH 299 A HOH 300 4 HOH HOH 300 A HOH 301 4 HOH HOH 301 A HOH 302 4 HOH HOH 302 A HOH 303 4 HOH HOH 303 A HOH 304 4 HOH HOH 304 A HOH 305 4 HOH HOH 305 A HOH 306 4 HOH HOH 306 A HOH 307 4 HOH HOH 307 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 315 4 HOH HOH 315 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 326 4 HOH HOH 326 A HOH 327 4 HOH HOH 327 A HOH 328 4 HOH HOH 328 A HOH 329 4 HOH HOH 329 A HOH 330 4 HOH HOH 330 A HOH 331 4 HOH HOH 331 A HOH 333 4 HOH HOH 333 A HOH 334 4 HOH HOH 334 A HOH 335 4 HOH HOH 335 A HOH 336 4 HOH HOH 336 A HOH 337 4 HOH HOH 337 A HOH 338 4 HOH HOH 338 A HOH 339 4 HOH HOH 339 A HOH 340 4 HOH HOH 340 A HOH 341 4 HOH HOH 341 A HOH 342 4 HOH HOH 342 A HOH 343 4 HOH HOH 343 A HOH 345 4 HOH HOH 345 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 364 4 HOH HOH 364 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 372 4 HOH HOH 372 A HOH 373 4 HOH HOH 373 A HOH 374 4 HOH HOH 374 A HOH 375 4 HOH HOH 375 A HOH 376 4 HOH HOH 376 A HOH 377 4 HOH HOH 377 A HOH 378 4 HOH HOH 378 A HOH 379 4 HOH HOH 379 A HOH 380 4 HOH HOH 380 A HOH 381 4 HOH HOH 381 A HOH 382 4 HOH HOH 382 A HOH 383 4 HOH HOH 383 A HOH 384 4 HOH HOH 384 A HOH 385 4 HOH HOH 385 A HOH 386 4 HOH HOH 386 A HOH 387 4 HOH HOH 387 A HOH 388 4 HOH HOH 388 A HOH 389 4 HOH HOH 389 A HOH 390 4 HOH HOH 390 A HOH 391 4 HOH HOH 391 A HOH 392 4 HOH HOH 392 A HOH 393 4 HOH HOH 393 A HOH 394 4 HOH HOH 394 A HOH 395 4 HOH HOH 395 A HOH 396 4 HOH HOH 396 A HOH 397 4 HOH HOH 397 A HOH 398 4 HOH HOH 398 A HOH 399 4 HOH HOH 399 A HOH 401 4 HOH HOH 401 A HOH 402 4 HOH HOH 402 A HOH 403 4 HOH HOH 403 A HOH 404 4 HOH HOH 404 A HOH 405 4 HOH HOH 405 A HOH 406 4 HOH HOH 406 A HOH 407 4 HOH HOH 407 A HOH 408 4 HOH HOH 408 A HOH 409 4 HOH HOH 409 A HOH 410 4 HOH HOH 410 A HOH 411 4 HOH HOH 411 A HOH 412 4 HOH HOH 412 A HOH 413 4 HOH HOH 413 A HOH 414 4 HOH HOH 414 A HOH 416 4 HOH HOH 416 A HOH 417 4 HOH HOH 417 A HOH 418 4 HOH HOH 418 A HOH 419 4 HOH HOH 419 A HOH 420 4 HOH HOH 420 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 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 447 4 HOH HOH 447 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 457 4 HOH HOH 457 A HOH 458 4 HOH HOH 458 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 467 4 HOH HOH 467 A HOH 468 4 HOH HOH 468 A HOH 469 4 HOH HOH 469 A HOH 470 4 HOH HOH 470 A HOH 471 4 HOH HOH 471 A HOH 472 4 HOH HOH 472 A HOH 473 4 HOH HOH 473 A HOH 474 4 HOH HOH 474 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 479 4 HOH HOH 479 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 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 0.127 0.13 0.127 0.13 0.172 0.17 2012 2012 5.00 5 39432 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 88.0 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 91.6 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NB HEM 1_555 90.3 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 88.3 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NC HEM 1_555 176.3 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B NC HEM 1_555 89.6 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 89.1 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 90.1 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 179.2 A HEM 185 B NC HEM 1_555 A HEM 185 B FE HEM 1_555 A HEM 185 B ND HEM 1_555 90.0 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 178.5 A HEM 185 B NA HEM 1_555 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 93.4 A HEM 185 B NB HEM 1_555 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 89.0 A HEM 185 B NC HEM 1_555 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 90.3 A HEM 185 B ND HEM 1_555 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 90.3 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 25 A N VAL 25 A O ALA 42 A O ALA 42 A N ALA 49 A N ALA 49 A O LYS 52 A O LYS 52 A N HIS 59 A N HIS 59 A O PHE 68 A O PHE 68 A N GLU 77 A N GLU 77 A O LYS 81 A O LYS 81 A N PHE 86 A N PHE 86 A O ASN 103 A O ASN 103 A O TYR 111 A O TYR 111 A N LEU 118 A N LEU 118 A N THR 121 A N THR 121 A O LEU 133 A O LEU 133 A O ASN 138 A O ASN 138 A N TYR 24 A N TYR 24 A O TYR 28 A O TYR 28 A N ILE 164 A N ILE 164 A O LYS 88 A O LYS 88 A N LYS 96 A N LYS 96 1 A HOH 282 D HOH 1 A HOH 358 D HOH 1 A HOH 414 D HOH 1 16.89 1.40 123.60 140.49 A A A CD NE CZ ARG ARG ARG 39 39 39 N 1 3.41 0.50 120.30 123.71 A A A NE CZ NH1 ARG ARG ARG 39 39 39 N 1 7.46 1.10 114.20 121.66 A A A CA CB SG CYS CYS CYS 41 41 41 A A A N 1 -14.55 1.70 111.00 96.45 A A A CB CG CD2 LEU LEU LEU 44 44 44 B N 1 8.39 0.60 121.00 129.39 A A A CB CG CD2 TYR TYR TYR 111 111 111 A A N 1 -4.54 0.60 121.00 116.46 A A A CB CG CD1 TYR TYR TYR 111 111 111 A A N 1 15.22 2.20 113.40 128.62 A A A CA CB CG ASN ASN ASN 127 127 127 A A A N 1 -17.19 1.80 110.60 93.41 A A A N CA CB ASP ASP ASP 129 129 129 A A A N 1 16.56 1.90 123.30 139.86 A A A OD1 CG OD2 ASP ASP ASP 129 129 129 A A A N 1 -10.60 0.90 118.30 107.70 A A A CB CG OD1 ASP ASP ASP 129 129 129 A A A N 1 -5.86 0.90 118.30 112.44 A A A CB CG OD2 ASP ASP ASP 129 129 129 A A A N 1 5.72 0.90 118.30 124.02 A A A CB CG OD1 ASP ASP ASP 132 132 132 N 1 -9.77 1.60 122.70 112.93 A A A O C N THR THR LYS 166 166 167 Y 1 18.89 2.50 121.70 140.59 A A A C N CA THR LYS LYS 166 167 167 Y 1 A PHE 18 -91.33 59.59 1 A ASP 129 B 50.49 90.42 1 A LEU 130 A -109.45 45.51 conjugate gradient refinement with SHELX, all atoms refined with anisotropic thermal parameters, hydrogen atoms added at calculated positions. Block-diagonal matrix refinement of the heme and iron coordination sphere without restraints. 0.173 0.127 0.127 0.127 1.27 22.0 16345 2012 40637 39432 19521 5 96.0 RANDOM 1 Anisotropic temperature factors for all non-hydrogen atoms 0.000 0. pdb entry 1IKH ENGH & HUBER 16 1.27 22.0 276 1829 50 0 1503 0.011 0.032 9.1 1.220 22.000 1IKJ 40637 37957 0. 0.000 0.032 1 14.0 2.400 96.0 0.065 1.27 1.30 9.2 1.40 79.0 data scaling d*TREK data reduction d*TREK refinement SHELXL-97 1.27 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH IMIDAZOLE 1 N N 2 N N 3 N N 4 N N A ASN 13 A ASN 13 HELX_P A PHE 18 A PHE 18 1 1 6 A GLU 32 A GLU 32 HELX_P A VAL 36 A VAL 36 5 2 5 A GLY 146 A GLY 146 HELX_P A ALA 156 A ALA 156 1 3 11 A GLU 159 A GLU 159 HELX_P A PHE 163 A PHE 163 5 4 5 A ASP 174 A ASP 174 HELX_P A LEU 182 A LEU 182 1 5 9 disulf 2.013 A CYS 2 A SG CYS 2 1_555 A CYS 122 A SG CYS 122 1_555 disulf 2.042 A A A CYS 41 A SG CYS 41 1_555 A CYS 171 A SG CYS 171 1_555 disulf 1.996 B B A CYS 41 A SG CYS 41 1_555 A CYS 171 A SG CYS 171 1_555 metalc 1.951 A HIS 59 A NE2 HIS 59 1_555 A HEM 185 B FE HEM 1_555 metalc 2.021 A HEM 185 B FE HEM 1_555 A IMD 190 C N1 IMD 1_555 TRANSPORT PROTEIN NITRIC OXIDE TRANSPORT, FERRIC HEME, ANTIHISTAMINE, VASODILATOR, LIPOCALIN, BILAN BINDING PROTEIN, TRANSPORT PROTEIN NP4_RHOPR UNP 1 22 Q94734 ACTKNAIAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQVESLG KYTANFKKVDKNGNVKVAVTAGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVKSAVSAATLEF SKFISTKENNCAYDNDSLKSLLTK 22 205 1IKJ 1 184 Q94734 A 1 1 184 12 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A ASN 19 A ASN 19 A ASP 30 A ASP 30 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 ASN 103 A ASN 103 A ALA 112 A ALA 112 A SER 116 A SER 116 A LYS 125 A LYS 125 A LEU 133 A LEU 133 A ASN 138 A ASN 138 A ASN 19 A ASN 19 A ASP 30 A ASP 30 A ILE 164 A ILE 164 A SER 165 A SER 165 A LYS 81 A LYS 81 A VAL 89 A VAL 89 A VAL 95 A VAL 95 A VAL 97 A VAL 97 BINDING SITE FOR RESIDUE HEM A 185 A HEM 185 Software 20 BINDING SITE FOR RESIDUE IMD A 190 A IMD 190 Software 6 A VAL 25 A VAL 25 20 1_555 A TYR 28 A TYR 28 20 1_555 A VAL 36 A VAL 36 20 1_555 A PRO 37 A PRO 37 20 1_555 A TYR 40 A TYR 40 20 1_555 A LEU 44 A LEU 44 20 1_555 A LEU 57 A LEU 57 20 1_555 A HIS 59 A HIS 59 20 1_555 A ASP 70 A ASP 70 20 1_555 A PHE 86 A PHE 86 20 1_555 A LYS 88 A LYS 88 20 1_555 A TYR 105 A TYR 105 20 1_555 A PHE 107 A PHE 107 20 1_555 A LEU 123 A LEU 123 20 1_555 A LYS 125 A LYS 125 20 1_555 A LYS 128 A LYS 128 20 1_555 A LEU 133 A LEU 133 20 1_555 A IMD 190 C IMD 20 1_555 A HOH 300 D HOH 20 1_555 A HOH 454 D HOH 20 1_555 A VAL 36 A VAL 36 6 1_555 A LEU 123 A LEU 123 6 1_555 A LEU 130 A LEU 130 6 1_555 A LEU 133 A LEU 133 6 1_555 A HEM 185 B HEM 6 1_555 A HOH 236 D HOH 6 1_555 5 C 1 2 1