0.018501 0.000000 0.000000 0.000000 0.018501 0.000000 0.000000 0.000000 0.005160 0.00000 0.00000 0.00000 Johnson, K.A. Olson, J.S. Phillips Jr., G.N. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 54.050 54.050 193.800 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 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 C4 H7 N 69.105 N-PROPYL ISOCYANIDE 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 N 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 N N 267 N O 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 H N 281 N H N 282 N H N 283 N N N 284 S C N 285 N C N 286 N O N 287 N C N 288 N C N 289 N S N 290 N C N 291 N O 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 C N 304 N N N 305 N C N 306 N C N 307 N C 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 Y 320 N C Y 321 N C Y 322 N C Y 323 N C Y 324 N C Y 325 N C N 326 N O 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 H N 336 N H N 337 N H N 338 N N N 339 S C N 340 N C N 341 N O N 342 N C N 343 N C N 344 N C N 345 N O 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 H N 353 N H N 354 N H N 355 N N N 356 S C N 357 N C N 358 N O N 359 N C N 360 N O N 361 N O 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 R C N 374 N O N 375 N C N 376 N O 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 H N 384 N H N 385 N H N 386 N N N 387 S C N 388 N C N 389 N O N 390 N C Y 391 N C Y 392 N C Y 393 N C Y 394 N N Y 395 N C Y 396 N C Y 397 N C Y 398 N C Y 399 N C N 400 N O N 401 N H N 402 N H N 403 N H N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N H N 412 N H N 413 N N N 414 S C N 415 N C N 416 N O N 417 N C Y 418 N C Y 419 N C Y 420 N C Y 421 N C Y 422 N C Y 423 N C N 424 N O N 425 N O 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 H N 434 N H N 435 N H N 436 N H N 437 N N N 438 S C N 439 N C N 440 N O N 441 N C N 442 N C N 443 N C N 444 N O 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 H N 452 N H N 453 N H N 454 N H N 455 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 sing N 283 N sing N 284 N sing N 285 N doub 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 trip 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 doub N 316 N sing N 317 N sing N 318 N sing N 319 N sing Y 320 N doub Y 321 N sing Y 322 N sing N 323 N sing Y 324 N doub N 325 N sing Y 326 N doub N 327 N sing Y 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 sing N 336 N sing N 337 N sing N 338 N doub N 339 N sing N 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 sing N 352 N sing N 353 N sing N 354 N sing N 355 N doub 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 sing N 382 N sing N 383 N sing N 384 N doub N 385 N sing N 386 N sing N 387 N sing N 388 N sing Y 389 N doub Y 390 N sing Y 391 N sing N 392 N sing Y 393 N doub Y 394 N sing Y 395 N sing N 396 N sing Y 397 N sing Y 398 N doub N 399 N sing Y 400 N doub N 401 N sing Y 402 N sing N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N sing N 408 N sing N 409 N sing N 410 N sing N 411 N sing N 412 N doub N 413 N sing N 414 N sing N 415 N sing N 416 N sing Y 417 N doub Y 418 N sing Y 419 N sing N 420 N sing Y 421 N doub N 422 N sing Y 423 N doub N 424 N sing Y 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 sing N 433 N sing N 434 N sing N 435 N sing N 436 N doub N 437 N sing N 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 US Thesis 0806 1 -1 High Resolution X-Ray Structures of Myoglobin-and Hemoglobin-Alkyl Isocyanide Complexes 1993 UK J.Mol.Biol. JMOBAK 0070 0022-2836 207 459 Structure of Myoglobin-Ethyl Isocyanide: Histidine as a Swinging Door for Ligand Entry 1989 10.2210/pdb2hbf/pdb pdb_00002hbf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 15150.353 HEMOGLOBIN A (N-PROPYL ISOCYANIDE) (ALPHA CHAIN) 1 man polymer 15890.198 HEMOGLOBIN A (N-PROPYL ISOCYANIDE) (BETA CHAIN) 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 2 syn non-polymer 69.105 N-PROPYL ISOCYANIDE 2 syn non-polymer 18.015 water 55 nat water no no VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR A polypeptide(L) no no VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n human Homo sample 9606 SEED Homo sapiens human Homo sample 9606 SEED Homo sapiens 2.28 46.03 pdbx_database_status pdbx_struct_assembly pdbx_struct_assembly_gen pdbx_struct_assembly_prop pdbx_struct_oper_list chem_comp_atom chem_comp_bond database_2 struct_site repository Initial release Version format compliance Version format compliance Derived calculations Other Data collection Database references Derived calculations 1 0 1995-02-07 1 1 2008-03-24 1 2 2011-07-13 1 3 2019-11-27 1 4 2024-02-14 _pdbx_database_status.process_site _pdbx_struct_assembly.oligomeric_count _pdbx_struct_assembly.oligomeric_details _pdbx_struct_assembly_gen.oper_expression _pdbx_struct_assembly_prop.value _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 Y BNL 1994-08-31 REL HEM PROTOPORPHYRIN IX CONTAINING FE NPN N-PROPYL ISOCYANIDE HOH water HEM 142 3 HEM HEM 142 A NPN 143 4 NPN NPN 143 A HEM 147 3 HEM HEM 147 B NPN 148 4 NPN NPN 148 B HOH 157 5 HOH HOH 157 A HOH 158 5 HOH HOH 158 A HOH 161 5 HOH HOH 161 A HOH 167 5 HOH HOH 167 A HOH 169 5 HOH HOH 169 A HOH 186 5 HOH HOH 186 A HOH 205 5 HOH HOH 205 A HOH 206 5 HOH HOH 206 A HOH 209 5 HOH HOH 209 A HOH 216 5 HOH HOH 216 A HOH 245 5 HOH HOH 245 A HOH 246 5 HOH HOH 246 A HOH 247 5 HOH HOH 247 A HOH 251 5 HOH HOH 251 A HOH 255 5 HOH HOH 255 A HOH 266 5 HOH HOH 266 A HOH 360 5 HOH HOH 360 A HOH 364 5 HOH HOH 364 A HOH 365 5 HOH HOH 365 A HOH 412 5 HOH HOH 412 A HOH 414 5 HOH HOH 414 A HOH 458 5 HOH HOH 458 A HOH 152 5 HOH HOH 152 B HOH 156 5 HOH HOH 156 B HOH 162 5 HOH HOH 162 B HOH 163 5 HOH HOH 163 B HOH 165 5 HOH HOH 165 B HOH 166 5 HOH HOH 166 B HOH 173 5 HOH HOH 173 B HOH 213 5 HOH HOH 213 B HOH 219 5 HOH HOH 219 B HOH 229 5 HOH HOH 229 B HOH 232 5 HOH HOH 232 B HOH 237 5 HOH HOH 237 B HOH 238 5 HOH HOH 238 B HOH 241 5 HOH HOH 241 B HOH 248 5 HOH HOH 248 B HOH 259 5 HOH HOH 259 B HOH 263 5 HOH HOH 263 B HOH 265 5 HOH HOH 265 B HOH 268 5 HOH HOH 268 B HOH 269 5 HOH HOH 269 B HOH 271 5 HOH HOH 271 B HOH 273 5 HOH HOH 273 B HOH 358 5 HOH HOH 358 B HOH 361 5 HOH HOH 361 B HOH 363 5 HOH HOH 363 B HOH 366 5 HOH HOH 366 B HOH 408 5 HOH HOH 408 B HOH 410 5 HOH HOH 410 B HOH 415 5 HOH HOH 415 B HOH 416 5 HOH HOH 416 B HOH 459 5 HOH HOH 459 B HOH 465 5 HOH HOH 465 B HOH 559 5 HOH HOH 559 B VAL 1 n 1 VAL 1 A LEU 2 n 2 LEU 2 A SER 3 n 3 SER 3 A PRO 4 n 4 PRO 4 A ALA 5 n 5 ALA 5 A ASP 6 n 6 ASP 6 A LYS 7 n 7 LYS 7 A THR 8 n 8 THR 8 A ASN 9 n 9 ASN 9 A VAL 10 n 10 VAL 10 A LYS 11 n 11 LYS 11 A ALA 12 n 12 ALA 12 A ALA 13 n 13 ALA 13 A TRP 14 n 14 TRP 14 A GLY 15 n 15 GLY 15 A LYS 16 n 16 LYS 16 A VAL 17 n 17 VAL 17 A GLY 18 n 18 GLY 18 A ALA 19 n 19 ALA 19 A HIS 20 n 20 HIS 20 A ALA 21 n 21 ALA 21 A GLY 22 n 22 GLY 22 A GLU 23 n 23 GLU 23 A TYR 24 n 24 TYR 24 A GLY 25 n 25 GLY 25 A ALA 26 n 26 ALA 26 A GLU 27 n 27 GLU 27 A ALA 28 n 28 ALA 28 A LEU 29 n 29 LEU 29 A GLU 30 n 30 GLU 30 A ARG 31 n 31 ARG 31 A MET 32 n 32 MET 32 A PHE 33 n 33 PHE 33 A LEU 34 n 34 LEU 34 A SER 35 n 35 SER 35 A PHE 36 n 36 PHE 36 A PRO 37 n 37 PRO 37 A THR 38 n 38 THR 38 A THR 39 n 39 THR 39 A LYS 40 n 40 LYS 40 A THR 41 n 41 THR 41 A TYR 42 n 42 TYR 42 A PHE 43 n 43 PHE 43 A PRO 44 n 44 PRO 44 A HIS 45 n 45 HIS 45 A PHE 46 n 46 PHE 46 A ASP 47 n 47 ASP 47 A LEU 48 n 48 LEU 48 A SER 49 n 49 SER 49 A HIS 50 n 50 HIS 50 A GLY 51 n 51 GLY 51 A SER 52 n 52 SER 52 A ALA 53 n 53 ALA 53 A GLN 54 n 54 GLN 54 A VAL 55 n 55 VAL 55 A LYS 56 n 56 LYS 56 A GLY 57 n 57 GLY 57 A HIS 58 n 58 HIS 58 A GLY 59 n 59 GLY 59 A LYS 60 n 60 LYS 60 A LYS 61 n 61 LYS 61 A VAL 62 n 62 VAL 62 A ALA 63 n 63 ALA 63 A ASP 64 n 64 ASP 64 A ALA 65 n 65 ALA 65 A LEU 66 n 66 LEU 66 A THR 67 n 67 THR 67 A ASN 68 n 68 ASN 68 A ALA 69 n 69 ALA 69 A VAL 70 n 70 VAL 70 A ALA 71 n 71 ALA 71 A HIS 72 n 72 HIS 72 A VAL 73 n 73 VAL 73 A ASP 74 n 74 ASP 74 A ASP 75 n 75 ASP 75 A MET 76 n 76 MET 76 A PRO 77 n 77 PRO 77 A ASN 78 n 78 ASN 78 A ALA 79 n 79 ALA 79 A LEU 80 n 80 LEU 80 A SER 81 n 81 SER 81 A ALA 82 n 82 ALA 82 A LEU 83 n 83 LEU 83 A SER 84 n 84 SER 84 A ASP 85 n 85 ASP 85 A LEU 86 n 86 LEU 86 A HIS 87 n 87 HIS 87 A ALA 88 n 88 ALA 88 A HIS 89 n 89 HIS 89 A LYS 90 n 90 LYS 90 A LEU 91 n 91 LEU 91 A ARG 92 n 92 ARG 92 A VAL 93 n 93 VAL 93 A ASP 94 n 94 ASP 94 A PRO 95 n 95 PRO 95 A VAL 96 n 96 VAL 96 A ASN 97 n 97 ASN 97 A PHE 98 n 98 PHE 98 A LYS 99 n 99 LYS 99 A LEU 100 n 100 LEU 100 A LEU 101 n 101 LEU 101 A SER 102 n 102 SER 102 A HIS 103 n 103 HIS 103 A CYS 104 n 104 CYS 104 A LEU 105 n 105 LEU 105 A LEU 106 n 106 LEU 106 A VAL 107 n 107 VAL 107 A THR 108 n 108 THR 108 A LEU 109 n 109 LEU 109 A ALA 110 n 110 ALA 110 A ALA 111 n 111 ALA 111 A HIS 112 n 112 HIS 112 A LEU 113 n 113 LEU 113 A PRO 114 n 114 PRO 114 A ALA 115 n 115 ALA 115 A GLU 116 n 116 GLU 116 A PHE 117 n 117 PHE 117 A THR 118 n 118 THR 118 A PRO 119 n 119 PRO 119 A ALA 120 n 120 ALA 120 A VAL 121 n 121 VAL 121 A HIS 122 n 122 HIS 122 A ALA 123 n 123 ALA 123 A SER 124 n 124 SER 124 A LEU 125 n 125 LEU 125 A ASP 126 n 126 ASP 126 A LYS 127 n 127 LYS 127 A PHE 128 n 128 PHE 128 A LEU 129 n 129 LEU 129 A ALA 130 n 130 ALA 130 A SER 131 n 131 SER 131 A VAL 132 n 132 VAL 132 A SER 133 n 133 SER 133 A THR 134 n 134 THR 134 A VAL 135 n 135 VAL 135 A LEU 136 n 136 LEU 136 A THR 137 n 137 THR 137 A SER 138 n 138 SER 138 A LYS 139 n 139 LYS 139 A TYR 140 n 140 TYR 140 A ARG 141 n 141 ARG 141 A VAL 1 n 1 VAL 1 B HIS 2 n 2 HIS 2 B LEU 3 n 3 LEU 3 B THR 4 n 4 THR 4 B PRO 5 n 5 PRO 5 B GLU 6 n 6 GLU 6 B GLU 7 n 7 GLU 7 B LYS 8 n 8 LYS 8 B SER 9 n 9 SER 9 B ALA 10 n 10 ALA 10 B VAL 11 n 11 VAL 11 B THR 12 n 12 THR 12 B ALA 13 n 13 ALA 13 B LEU 14 n 14 LEU 14 B TRP 15 n 15 TRP 15 B GLY 16 n 16 GLY 16 B LYS 17 n 17 LYS 17 B VAL 18 n 18 VAL 18 B ASN 19 n 19 ASN 19 B VAL 20 n 20 VAL 20 B ASP 21 n 21 ASP 21 B GLU 22 n 22 GLU 22 B VAL 23 n 23 VAL 23 B GLY 24 n 24 GLY 24 B GLY 25 n 25 GLY 25 B GLU 26 n 26 GLU 26 B ALA 27 n 27 ALA 27 B LEU 28 n 28 LEU 28 B GLY 29 n 29 GLY 29 B ARG 30 n 30 ARG 30 B LEU 31 n 31 LEU 31 B LEU 32 n 32 LEU 32 B VAL 33 n 33 VAL 33 B VAL 34 n 34 VAL 34 B TYR 35 n 35 TYR 35 B PRO 36 n 36 PRO 36 B TRP 37 n 37 TRP 37 B THR 38 n 38 THR 38 B GLN 39 n 39 GLN 39 B ARG 40 n 40 ARG 40 B PHE 41 n 41 PHE 41 B PHE 42 n 42 PHE 42 B GLU 43 n 43 GLU 43 B SER 44 n 44 SER 44 B PHE 45 n 45 PHE 45 B GLY 46 n 46 GLY 46 B ASP 47 n 47 ASP 47 B LEU 48 n 48 LEU 48 B SER 49 n 49 SER 49 B THR 50 n 50 THR 50 B PRO 51 n 51 PRO 51 B ASP 52 n 52 ASP 52 B ALA 53 n 53 ALA 53 B VAL 54 n 54 VAL 54 B MET 55 n 55 MET 55 B GLY 56 n 56 GLY 56 B ASN 57 n 57 ASN 57 B PRO 58 n 58 PRO 58 B LYS 59 n 59 LYS 59 B VAL 60 n 60 VAL 60 B LYS 61 n 61 LYS 61 B ALA 62 n 62 ALA 62 B HIS 63 n 63 HIS 63 B GLY 64 n 64 GLY 64 B LYS 65 n 65 LYS 65 B LYS 66 n 66 LYS 66 B VAL 67 n 67 VAL 67 B LEU 68 n 68 LEU 68 B GLY 69 n 69 GLY 69 B ALA 70 n 70 ALA 70 B PHE 71 n 71 PHE 71 B SER 72 n 72 SER 72 B ASP 73 n 73 ASP 73 B GLY 74 n 74 GLY 74 B LEU 75 n 75 LEU 75 B ALA 76 n 76 ALA 76 B HIS 77 n 77 HIS 77 B LEU 78 n 78 LEU 78 B ASP 79 n 79 ASP 79 B ASN 80 n 80 ASN 80 B LEU 81 n 81 LEU 81 B LYS 82 n 82 LYS 82 B GLY 83 n 83 GLY 83 B THR 84 n 84 THR 84 B PHE 85 n 85 PHE 85 B ALA 86 n 86 ALA 86 B THR 87 n 87 THR 87 B LEU 88 n 88 LEU 88 B SER 89 n 89 SER 89 B GLU 90 n 90 GLU 90 B LEU 91 n 91 LEU 91 B HIS 92 n 92 HIS 92 B CYS 93 n 93 CYS 93 B ASP 94 n 94 ASP 94 B LYS 95 n 95 LYS 95 B LEU 96 n 96 LEU 96 B HIS 97 n 97 HIS 97 B VAL 98 n 98 VAL 98 B ASP 99 n 99 ASP 99 B PRO 100 n 100 PRO 100 B GLU 101 n 101 GLU 101 B ASN 102 n 102 ASN 102 B PHE 103 n 103 PHE 103 B ARG 104 n 104 ARG 104 B LEU 105 n 105 LEU 105 B LEU 106 n 106 LEU 106 B GLY 107 n 107 GLY 107 B ASN 108 n 108 ASN 108 B VAL 109 n 109 VAL 109 B LEU 110 n 110 LEU 110 B VAL 111 n 111 VAL 111 B CYS 112 n 112 CYS 112 B VAL 113 n 113 VAL 113 B LEU 114 n 114 LEU 114 B ALA 115 n 115 ALA 115 B HIS 116 n 116 HIS 116 B HIS 117 n 117 HIS 117 B PHE 118 n 118 PHE 118 B GLY 119 n 119 GLY 119 B LYS 120 n 120 LYS 120 B GLU 121 n 121 GLU 121 B PHE 122 n 122 PHE 122 B THR 123 n 123 THR 123 B PRO 124 n 124 PRO 124 B PRO 125 n 125 PRO 125 B VAL 126 n 126 VAL 126 B GLN 127 n 127 GLN 127 B ALA 128 n 128 ALA 128 B ALA 129 n 129 ALA 129 B TYR 130 n 130 TYR 130 B GLN 131 n 131 GLN 131 B LYS 132 n 132 LYS 132 B VAL 133 n 133 VAL 133 B VAL 134 n 134 VAL 134 B ALA 135 n 135 ALA 135 B GLY 136 n 136 GLY 136 B VAL 137 n 137 VAL 137 B ALA 138 n 138 ALA 138 B ASN 139 n 139 ASN 139 B ALA 140 n 140 ALA 140 B LEU 141 n 141 LEU 141 B ALA 142 n 142 ALA 142 B HIS 143 n 143 HIS 143 B LYS 144 n 144 LYS 144 B TYR 145 n 145 TYR 145 B HIS 146 n 146 HIS 146 B author_and_software_defined_assembly PISA 4 tetrameric 12360 -94 23310 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NA HEM 1_555 93.9 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NB HEM 1_555 93.6 A HEM 142 C NA HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NB HEM 1_555 92.0 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NC HEM 1_555 86.3 A HEM 142 C NA HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NC HEM 1_555 176.7 A HEM 142 C NB HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C NC HEM 1_555 91.3 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C ND HEM 1_555 84.9 A HEM 142 C NA HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C ND HEM 1_555 87.0 A HEM 142 C NB HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C ND HEM 1_555 178.0 A HEM 142 C NC HEM 1_555 A HEM 142 C FE HEM 1_555 A HEM 142 C ND HEM 1_555 89.8 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 169.3 A HEM 142 C NA HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 84.0 A HEM 142 C NB HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 97.0 A HEM 142 C NC HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 95.3 A HEM 142 C ND HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 84.5 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 170.3 A HEM 142 C NA HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 95.8 A HEM 142 C NB HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 86.2 A HEM 142 C NC HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 84.1 A HEM 142 C ND HEM 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 95.5 A NPN 143 D C NPN 1_555 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 15.7 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NA HEM 1_555 90.3 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NB HEM 1_555 94.4 B HEM 147 E NA HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NB HEM 1_555 89.1 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NC HEM 1_555 97.1 B HEM 147 E NA HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NC HEM 1_555 172.5 B HEM 147 E NB HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E NC HEM 1_555 91.9 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E ND HEM 1_555 96.2 B HEM 147 E NA HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E ND HEM 1_555 93.3 B HEM 147 E NB HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E ND HEM 1_555 169.2 B HEM 147 E NC HEM 1_555 B HEM 147 E FE HEM 1_555 B HEM 147 E ND HEM 1_555 84.4 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 178.8 B HEM 147 E NA HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 90.8 B HEM 147 E NB HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 85.3 B HEM 147 E NC HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 81.8 B HEM 147 E ND HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 84.1 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 163.2 B HEM 147 E NA HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 98.7 B HEM 147 E NB HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 99.9 B HEM 147 E NC HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 73.7 B HEM 147 E ND HEM 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 69.3 B NPN 148 F N NPN 1_555 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 16.5 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 7_555 y,x,-z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 1 B B ND C HEM NPN 147 148 2.18 1 A ASN 78 -10.13 1 A TYR 24 0.061 SIDE CHAIN 1 B ARG 30 0.178 SIDE CHAIN 1 B HIS 77 0.117 SIDE CHAIN 1 -3.08 0.50 120.30 117.22 B B B NE CZ NH1 ARG ARG ARG 30 30 30 N 1 A LEU 2 52.92 94.08 1 A ASP 75 -155.10 43.89 1 A ARG 92 47.32 70.49 1 B HIS 2 -82.10 -70.73 1 B LEU 3 70.07 121.84 1 B VAL 20 -71.77 26.13 1 B ASP 47 -33.71 97.57 1 B ASN 80 -150.33 63.82 REFINEMENT. THE STARTING MODEL WAS THE ETHYL ISOCYANIDE - HEMOGLOBIN COMPLEX WITH THE LIGAND REMOVED AND THE N-PROPYL ISOCYANIDE LIGAND MODELED INTO INITIAL DIFFERENCE MAP (FO-FC) ELECTRON DENSITY. THE PROGRAM X-PLOR WAS USED TO ACHIEVE A FINAL CONVENTIONAL R-FACTOR OF 17.9%. THE REFINEMENT PROCESS INCLUDED SIMULATED ANNEALING FOLLOWED BY POSITION AND TEMPERATURE FACTOR REFINEMENT. AN ITERATIVE PROCESS OF MANUAL REFITTING OF SIDE CHAINS AND PLACEMENT OF WATERS WAS PERFORMED UNTIL THE R-FACTOR CONVERGED. THE WEIGHTING OF PSEUDO-ENERGY X-RAY TERM WAS ADJUSTED TO GIVE A BOND RMS OF 0.020 ANGSTROMS IN THE LAST FEW STEPS OF POSITIONAL REFINEMENT. WATERS (N=109) WERE RETAINED FROM THE STARTING STRUCTURE OF OXYHEMOGLOBIN (1HHO). ADDITIONAL WATERS WERE ADDED IF THEY LAY IN 3.5 - 4.O SIGMA PEAKS IN FO-FC ELECTRON DENSITY MAPS AND 1 SIGMA PEAKS IN 2FO-FC MAPS. CONCURRENTLY, A WATER WOULD BE DELETED IF ITS OCCUPANCY (Q) AND TEMPERATURE FACTOR (B) COMBINED TO MAKE THE VALUE (Q*EXP(- B/36)*100%) FALL BELOW 10%. A PEAK NUMBER OF 114 WATERS WAS REACHED. THIS WAS REDUCED TO 55 WATERS OVER THE LAST FEW REFINEMENT CYCLES BY DELETING WATERS WHICH FELL BELOW A 20% THRESHOLD. 0.1790000 0.1790000 2.2 5.0 1 0.0 2.2 5.0 55 2343 96 0 2192 0.020 1.990 1.5 1.5 2.0 2.0 2.0 2.0 2.5 2.5 model building X-PLOR refinement X-PLOR phasing X-PLOR HIGH RESOLUTION X-RAY STRUCTURES OF MYOGLOBIN-AND HEMOGLOBIN-ALKYL ISOCYANIDE COMPLEXES 1 N N 2 N N 3 N N 4 N N 3 N N 4 N N 5 N N 5 N N A SER 3 A SER 3 HELX_P A GLY 18 A GLY 18 1 AA 16 A HIS 20 A HIS 20 HELX_P A SER 35 A SER 35 1 AB 16 A PHE 36 A PHE 36 HELX_P A TYR 42 A TYR 42 1 AC 7 A HIS 50 A HIS 50 HELX_P DEGEN 2 RES HLX RETAIN HOMOL A GLY 51 A GLY 51 1 AD 2 A SER 52 A SER 52 HELX_P A ALA 71 A ALA 71 1 AE 20 A LEU 80 A LEU 80 HELX_P A ALA 88 A ALA 88 1 AF 9 A ASP 94 A ASP 94 HELX_P A HIS 112 A HIS 112 1 AG 19 A THR 118 A THR 118 HELX_P A SER 138 A SER 138 1 AH 21 B THR 4 B THR 4 HELX_P B VAL 18 B VAL 18 1 BA 15 B ASN 19 B ASN 19 HELX_P B VAL 34 B VAL 34 1 BB 16 B TYR 35 B TYR 35 HELX_P B PHE 41 B PHE 41 1 BC 7 B THR 50 B THR 50 HELX_P B GLY 56 B GLY 56 1 BD 7 B ASN 57 B ASN 57 HELX_P B ALA 76 B ALA 76 1 BE 20 B PHE 85 B PHE 85 HELX_P B CYS 93 B CYS 93 1 BF 9 B ASP 99 B ASP 99 HELX_P B HIS 117 B HIS 117 1 BG 19 B THR 123 B THR 123 HELX_P B HIS 143 B HIS 143 1 BH 21 metalc 2.017 A HIS 87 A NE2 HIS 87 1_555 A HEM 142 C FE HEM 1_555 metalc 1.675 A HEM 142 C FE HEM 1_555 A NPN 143 D C NPN 1_555 metalc 2.642 A HEM 142 C FE HEM 1_555 A NPN 143 D N NPN 1_555 metalc 1.997 B HIS 92 B NE2 HIS 92 1_555 B HEM 147 E FE HEM 1_555 metalc 2.715 B HEM 147 E FE HEM 1_555 B NPN 148 F N NPN 1_555 metalc 1.754 B HEM 147 E FE HEM 1_555 B NPN 148 F C NPN 1_555 OXYGEN TRANSPORT OXYGEN TRANSPORT HBA_HUMAN UNP 1 1 P69905 VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR HBB_HUMAN UNP 2 1 P68871 VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH 1 141 2HBF 1 141 P69905 A 1 1 141 1 146 2HBF 1 146 P68871 B 2 1 146 BINDING SITE FOR RESIDUE HEM A 142 A HEM 142 Software 15 BINDING SITE FOR RESIDUE NPN A 143 A NPN 143 Software 6 BINDING SITE FOR RESIDUE HEM B 147 B HEM 147 Software 13 BINDING SITE FOR RESIDUE NPN B 148 B NPN 148 Software 4 A TYR 42 A TYR 42 15 1_555 A PHE 43 A PHE 43 15 1_555 A HIS 45 A HIS 45 15 1_555 A PHE 46 A PHE 46 15 1_555 A HIS 58 A HIS 58 15 1_555 A LYS 61 A LYS 61 15 1_555 A LEU 83 A LEU 83 15 1_555 A HIS 87 A HIS 87 15 1_555 A LEU 91 A LEU 91 15 1_555 A VAL 93 A VAL 93 15 1_555 A ASN 97 A ASN 97 15 1_555 A PHE 98 A PHE 98 15 1_555 A LEU 101 A LEU 101 15 1_555 A LEU 136 A LEU 136 15 1_555 A NPN 143 D NPN 15 1_555 A LEU 29 A LEU 29 6 1_555 A PHE 43 A PHE 43 6 1_555 A HIS 58 A HIS 58 6 1_555 A VAL 62 A VAL 62 6 1_555 A HIS 87 A HIS 87 6 1_555 A HEM 142 C HEM 6 1_555 A PRO 4 A PRO 4 13 7_455 A HOH 157 G HOH 13 7_455 B THR 38 B THR 38 13 1_555 B PHE 41 B PHE 41 13 1_555 B PHE 42 B PHE 42 13 1_555 B HIS 63 B HIS 63 13 1_555 B HIS 92 B HIS 92 13 1_555 B LEU 96 B LEU 96 13 1_555 B ASN 102 B ASN 102 13 1_555 B LEU 106 B LEU 106 13 1_555 B LEU 141 B LEU 141 13 1_555 B NPN 148 F NPN 13 1_555 B HOH 156 H HOH 13 1_555 B HIS 63 B HIS 63 4 1_555 B VAL 67 B VAL 67 4 1_555 B LEU 106 B LEU 106 4 1_555 B HEM 147 E HEM 4 1_555 92 P 41 21 2