0.015494 0.000000 0.000000 0.000000 0.021720 0.000000 0.000000 0.000000 0.033434 0.00000 0.00000 0.00000 ALTERNATE POSITIONS WERE REFINED FOR THE SIDE-CHAINS OF RESIDUES GLU 48, VAL 61, GLU 69, AND ILE 75. Durley, R.C.E. Mathews, F.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 64.540 46.040 29.910 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 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 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 S C N 76 N C N 77 N O N 78 N C N 79 N C N 80 N C N 81 N O N 82 N N N 83 N O N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N C N 101 N O N 102 N O N 103 N O N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N N N 114 N C N 115 N C 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 C N 124 N C N 125 N C N 126 N C Y 127 N C Y 128 N C Y 129 N C Y 130 N C N 131 N C N 132 N C N 133 N C N 134 N C N 135 N O N 136 N O N 137 N C N 138 N C N 139 N C N 140 N C N 141 N C N 142 N C N 143 N C Y 144 N C Y 145 N C Y 146 N C Y 147 N C N 148 N C N 149 N C N 150 N C 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 N 158 N C N 159 N O N 160 N O Y 161 N N N 162 N N Y 163 N N N 164 N N N 165 N FE N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H 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 N N 199 S C N 200 N C N 201 N O N 202 N C Y 203 N C Y 204 N N Y 205 N C Y 206 N C Y 207 N N N 208 N O N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N O N 220 N H N 221 N H N 222 N N N 223 S C N 224 N C N 225 N O N 226 S C N 227 N C N 228 N C N 229 N C N 230 N O N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N N N 245 S C N 246 N C N 247 N O N 248 N C N 249 N C N 250 N C N 251 N C N 252 N O N 253 N H N 254 N H N 255 N H N 256 N H N 257 N H N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N N N 267 S C N 268 N C N 269 N O N 270 N C N 271 N C N 272 N C N 273 N C N 274 N N N 275 N O 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 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 H N 291 N N N 292 S C N 293 N C N 294 N O N 295 N C Y 296 N C Y 297 N C Y 298 N C Y 299 N C Y 300 N C Y 301 N C N 302 N O 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 N N 315 S C N 316 N C N 317 N O N 318 N C N 319 N C N 320 N C N 321 N O N 322 N H N 323 N H 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 N N 332 S C N 333 N C N 334 N O N 335 N C N 336 N O N 337 N O N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N N N 346 S C N 347 N C N 348 N O N 349 R C N 350 N O N 351 N C N 352 N O N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N N N 363 S C N 364 N C N 365 N O N 366 N C Y 367 N C Y 368 N C Y 369 N C Y 370 N N Y 371 N C Y 372 N C Y 373 N C Y 374 N C Y 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 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 N C Y 394 N C 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 O 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 N 418 N C N 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 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 doub N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N doub N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N doub N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N doub N 114 N sing N 115 N sing N 116 N sing N 117 N doub N 118 N sing N 119 N sing N 120 N doub N 121 N sing N 122 N sing N 123 N doub N 124 N sing N 125 N doub N 126 N sing N 127 N sing Y 128 N doub Y 129 N sing Y 130 N sing N 131 N sing Y 132 N doub N 133 N sing Y 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N doub N 145 N sing N 146 N sing N 147 N sing N 148 N doub N 149 N sing N 150 N sing N 151 N sing N 152 N doub N 153 N sing N 154 N sing N 155 N sing N 156 N doub N 157 N sing N 158 N sing N 159 N sing Y 160 N sing Y 161 N sing Y 162 N doub N 163 N sing Y 164 N sing N 165 N sing Y 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N doub N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N doub N 176 N doub N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N doub 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 sing N 204 N doub N 205 N sing N 206 N sing N 207 N sing N 208 N sing Y 209 N sing Y 210 N doub Y 211 N doub N 212 N sing Y 213 N sing N 214 N sing Y 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N doub N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N doub 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 sing 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 doub 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 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 doub N 294 N sing N 295 N sing N 296 N sing N 297 N sing Y 298 N doub Y 299 N sing Y 300 N sing N 301 N sing Y 302 N doub N 303 N sing Y 304 N doub N 305 N sing Y 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 doub N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing 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 doub 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 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 doub N 363 N sing N 364 N sing N 365 N sing N 366 N sing Y 367 N doub Y 368 N sing Y 369 N sing N 370 N sing Y 371 N doub Y 372 N sing Y 373 N sing N 374 N sing Y 375 N sing Y 376 N doub N 377 N sing Y 378 N doub N 379 N sing Y 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 sing N 389 N sing N 390 N doub N 391 N sing N 392 N sing N 393 N sing N 394 N sing Y 395 N doub Y 396 N sing Y 397 N sing N 398 N sing Y 399 N doub N 400 N sing Y 401 N doub N 402 N sing Y 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 sing N 413 N sing N 414 N doub N 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 sing DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 52 65 76 10.1107/S0907444995007827 15299727 Refinement and structural analysis of bovine cytochrome b5 at 1.5 A resolution. 1996 Plenum Press, New York The Enzymes of Biological Membranes. 2Nd Ed. V.4: Bioenergetics of Electron and Proton Transport 2041 0-306-41454-6 4 235 Cytochrome B5 and Cytochrome B5 Reductase from a Chemical and X-Ray Diffraction Viewpoint 1985 Academic Press, New York The Porphyrins V.7: Biochemistry, Pt.B 2042 0-12-220107-8 7 107 The X-Ray Crystallographic Structure of Calf Liver Cytochrome B5 1979 US Cold Spring Harbor Symp.Quant.Biol. CSHSAZ 0421 0091-7451 36 387 The Structure of Cytochrome B5 at 2.0 Angstroms Resolution 1972 1 2 10.2210/pdb1cyo/pdb pdb_00001cyo 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 10651.721 CYTOCHROME B5 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer 18.015 water 117 nat water no no SKAVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFIIGELH PDDRSKITKPSES SKAVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFIIGELH PDDRSKITKPSES 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 cattle Bos sample 9913 Bos taurus 2.09 41.02 pdbx_database_status struct_conf struct_conf_type chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_site repository Initial release Version format compliance Version format compliance Derived calculations Other Data collection Database references Derived calculations 1 0 1994-11-30 1 1 2008-03-24 1 2 2011-07-13 1 3 2017-11-29 1 4 2024-02-07 _pdbx_database_status.process_site _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _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_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id 2000-05-15 SPRSDE Y BNL 1994-08-03 REL REL HEM PROTOPORPHYRIN IX CONTAINING FE HOH water THE PROTEIN WAS SOLUBILIZED FROM MICROSOMES BY PROTEOLYSIS. HEM 201 2 HEM HEM 201 A HOH 501 3 HOH HOH 501 A HOH 502 3 HOH HOH 502 A HOH 503 3 HOH HOH 503 A HOH 504 3 HOH HOH 504 A HOH 505 3 HOH HOH 505 A HOH 506 3 HOH HOH 506 A HOH 507 3 HOH HOH 507 A HOH 508 3 HOH HOH 508 A HOH 509 3 HOH HOH 509 A HOH 510 3 HOH HOH 510 A HOH 511 3 HOH HOH 511 A HOH 512 3 HOH HOH 512 A HOH 513 3 HOH HOH 513 A HOH 514 3 HOH HOH 514 A HOH 515 3 HOH HOH 515 A HOH 516 3 HOH HOH 516 A HOH 517 3 HOH HOH 517 A HOH 518 3 HOH HOH 518 A HOH 519 3 HOH HOH 519 A HOH 520 3 HOH HOH 520 A HOH 521 3 HOH HOH 521 A HOH 522 3 HOH HOH 522 A HOH 523 3 HOH HOH 523 A HOH 524 3 HOH HOH 524 A HOH 525 3 HOH HOH 525 A HOH 526 3 HOH HOH 526 A HOH 527 3 HOH HOH 527 A HOH 528 3 HOH HOH 528 A HOH 529 3 HOH HOH 529 A HOH 530 3 HOH HOH 530 A HOH 531 3 HOH HOH 531 A HOH 532 3 HOH HOH 532 A HOH 533 3 HOH HOH 533 A HOH 534 3 HOH HOH 534 A HOH 535 3 HOH HOH 535 A HOH 536 3 HOH HOH 536 A HOH 537 3 HOH HOH 537 A HOH 538 3 HOH HOH 538 A HOH 539 3 HOH HOH 539 A HOH 540 3 HOH HOH 540 A HOH 541 3 HOH HOH 541 A HOH 542 3 HOH HOH 542 A HOH 543 3 HOH HOH 543 A HOH 544 3 HOH HOH 544 A HOH 545 3 HOH HOH 545 A HOH 546 3 HOH HOH 546 A HOH 547 3 HOH HOH 547 A HOH 548 3 HOH HOH 548 A HOH 549 3 HOH HOH 549 A HOH 550 3 HOH HOH 550 A HOH 551 3 HOH HOH 551 A HOH 552 3 HOH HOH 552 A HOH 553 3 HOH HOH 553 A HOH 554 3 HOH HOH 554 A HOH 555 3 HOH HOH 555 A HOH 556 3 HOH HOH 556 A HOH 557 3 HOH HOH 557 A HOH 558 3 HOH HOH 558 A HOH 559 3 HOH HOH 559 A HOH 560 3 HOH HOH 560 A HOH 561 3 HOH HOH 561 A HOH 562 3 HOH HOH 562 A HOH 563 3 HOH HOH 563 A HOH 564 3 HOH HOH 564 A HOH 565 3 HOH HOH 565 A HOH 566 3 HOH HOH 566 A HOH 567 3 HOH HOH 567 A HOH 568 3 HOH HOH 568 A HOH 569 3 HOH HOH 569 A HOH 570 3 HOH HOH 570 A HOH 571 3 HOH HOH 571 A HOH 572 3 HOH HOH 572 A HOH 573 3 HOH HOH 573 A HOH 574 3 HOH HOH 574 A HOH 575 3 HOH HOH 575 A HOH 576 3 HOH HOH 576 A HOH 577 3 HOH HOH 577 A HOH 578 3 HOH HOH 578 A HOH 579 3 HOH HOH 579 A HOH 580 3 HOH HOH 580 A HOH 581 3 HOH HOH 581 A HOH 582 3 HOH HOH 582 A HOH 583 3 HOH HOH 583 A HOH 584 3 HOH HOH 584 A HOH 585 3 HOH HOH 585 A HOH 586 3 HOH HOH 586 A HOH 587 3 HOH HOH 587 A HOH 588 3 HOH HOH 588 A HOH 589 3 HOH HOH 589 A HOH 590 3 HOH HOH 590 A HOH 591 3 HOH HOH 591 A HOH 592 3 HOH HOH 592 A HOH 593 3 HOH HOH 593 A HOH 594 3 HOH HOH 594 A HOH 595 3 HOH HOH 595 A HOH 596 3 HOH HOH 596 A HOH 597 3 HOH HOH 597 A HOH 598 3 HOH HOH 598 A HOH 599 3 HOH HOH 599 A HOH 600 3 HOH HOH 600 A HOH 601 3 HOH HOH 601 A HOH 602 3 HOH HOH 602 A HOH 603 3 HOH HOH 603 A HOH 604 3 HOH HOH 604 A HOH 605 3 HOH HOH 605 A HOH 606 3 HOH HOH 606 A HOH 607 3 HOH HOH 607 A HOH 608 3 HOH HOH 608 A HOH 609 3 HOH HOH 609 A HOH 610 3 HOH HOH 610 A HOH 611 3 HOH HOH 611 A HOH 612 3 HOH HOH 612 A HOH 613 3 HOH HOH 613 A HOH 614 3 HOH HOH 614 A HOH 615 3 HOH HOH 615 A HOH 616 3 HOH HOH 616 A HOH 617 3 HOH HOH 617 A SER 1 n 1 SER 1 A LYS 2 n 2 LYS 2 A ALA 3 n 3 ALA 3 A VAL 4 n 4 VAL 4 A LYS 5 n 5 LYS 5 A TYR 6 n 6 TYR 6 A TYR 7 n 7 TYR 7 A THR 8 n 8 THR 8 A LEU 9 n 9 LEU 9 A GLU 10 n 10 GLU 10 A GLU 11 n 11 GLU 11 A ILE 12 n 12 ILE 12 A GLN 13 n 13 GLN 13 A LYS 14 n 14 LYS 14 A HIS 15 n 15 HIS 15 A ASN 16 n 16 ASN 16 A ASN 17 n 17 ASN 17 A SER 18 n 18 SER 18 A LYS 19 n 19 LYS 19 A SER 20 n 20 SER 20 A THR 21 n 21 THR 21 A TRP 22 n 22 TRP 22 A LEU 23 n 23 LEU 23 A ILE 24 n 24 ILE 24 A LEU 25 n 25 LEU 25 A HIS 26 n 26 HIS 26 A TYR 27 n 27 TYR 27 A LYS 28 n 28 LYS 28 A VAL 29 n 29 VAL 29 A TYR 30 n 30 TYR 30 A ASP 31 n 31 ASP 31 A LEU 32 n 32 LEU 32 A THR 33 n 33 THR 33 A LYS 34 n 34 LYS 34 A PHE 35 n 35 PHE 35 A LEU 36 n 36 LEU 36 A GLU 37 n 37 GLU 37 A GLU 38 n 38 GLU 38 A HIS 39 n 39 HIS 39 A PRO 40 n 40 PRO 40 A GLY 41 n 41 GLY 41 A GLY 42 n 42 GLY 42 A GLU 43 n 43 GLU 43 A GLU 44 n 44 GLU 44 A VAL 45 n 45 VAL 45 A LEU 46 n 46 LEU 46 A ARG 47 n 47 ARG 47 A GLU 48 n 48 GLU 48 A GLN 49 n 49 GLN 49 A ALA 50 n 50 ALA 50 A GLY 51 n 51 GLY 51 A GLY 52 n 52 GLY 52 A ASP 53 n 53 ASP 53 A ALA 54 n 54 ALA 54 A THR 55 n 55 THR 55 A GLU 56 n 56 GLU 56 A ASN 57 n 57 ASN 57 A PHE 58 n 58 PHE 58 A GLU 59 n 59 GLU 59 A ASP 60 n 60 ASP 60 A VAL 61 n 61 VAL 61 A GLY 62 n 62 GLY 62 A HIS 63 n 63 HIS 63 A SER 64 n 64 SER 64 A THR 65 n 65 THR 65 A ASP 66 n 66 ASP 66 A ALA 67 n 67 ALA 67 A ARG 68 n 68 ARG 68 A GLU 69 n 69 GLU 69 A LEU 70 n 70 LEU 70 A SER 71 n 71 SER 71 A LYS 72 n 72 LYS 72 A THR 73 n 73 THR 73 A PHE 74 n 74 PHE 74 A ILE 75 n 75 ILE 75 A ILE 76 n 76 ILE 76 A GLY 77 n 77 GLY 77 A GLU 78 n 78 GLU 78 A LEU 79 n 79 LEU 79 A HIS 80 n 80 HIS 80 A PRO 81 n 81 PRO 81 A ASP 82 n 82 ASP 82 A ASP 83 n 83 ASP 83 A ARG 84 n 84 ARG 84 A SER 85 n 85 SER 85 A LYS 86 n 86 LYS 86 A ILE 87 n 87 ILE 87 A THR 88 n 88 THR 88 A n 89 89 A n 90 90 A n 91 91 A n 92 92 A n 93 93 A author_defined_assembly 1 monomeric A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NA HEM 1_555 91.0 A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 91.5 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NB HEM 1_555 90.2 A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 89.5 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 179.4 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B NC HEM 1_555 89.7 A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 88.8 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 90.7 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 179.1 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A HEM 201 B ND HEM 1_555 89.4 A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 63 1_555 178.0 A HEM 201 B NA HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 63 1_555 89.8 A HEM 201 B NB HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 63 1_555 90.3 A HEM 201 B NC HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 63 1_555 89.6 A HEM 201 B ND HEM 1_555 A HEM 201 B FE HEM 1_555 A HIS 63 A NE2 HIS 63 1_555 89.3 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 O LYS 5 A O LYS 5 A N GLU 78 A N GLU 78 A N LEU 79 A N LEU 79 A O TYR 27 A O TYR 27 A N LEU 32 A N LEU 32 A O THR 21 A O THR 21 A O TRP 22 A O TRP 22 A N GLY 51 A N GLY 51 1 A LYS 89 A LYS 89 1 Y 1 A PRO 90 A PRO 90 1 Y 1 A SER 91 A SER 91 1 Y 1 A GLU 92 A GLU 92 1 Y 1 A SER 93 A SER 93 1 Y 1 -27.88 2.10 120.10 92.22 A A A CA C O THR THR THR 88 88 88 N 1 A A C O THR THR 88 88 0.129 0.019 1.229 1.358 N 1 A SER 20 -161.51 88.47 0.1600000 0.1600000 1.5 10.0 9541 1 1.5 10.0 117 892 43 0 732 1.2 model building X-PLOR refinement X-PLOR phasing X-PLOR BOVINE CYTOCHROME B(5) 1 N N 2 N N 3 N N A LEU 9 A LEU 9 HELX_P A LYS 14 A LYS 14 1 I 6 A THR 33 A THR 33 HELX_P A GLU 38 A GLU 38 1 II 6 A GLU 43 A GLU 43 HELX_P A GLN 49 A GLN 49 1 III 7 A THR 55 A THR 55 HELX_P A ASP 60 A ASP 60 1 IV 6 A THR 65 A THR 65 HELX_P A PHE 74 A PHE 74 1 V 10 A PRO 81 A PRO 81 HELX_P A LYS 86 A LYS 86 5 VI 6 metalc 2.075 A HIS 39 A NE2 HIS 39 1_555 A HEM 201 B FE HEM 1_555 metalc 2.003 A HIS 63 A NE2 HIS 63 1_555 A HEM 201 B FE HEM 1_555 ELECTRON TRANSPORT ELECTRON TRANSPORT CYB5_BOVIN UNP 1 1 P00171 AEESSKAVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTFII GELHPDDRSKITKPSESIITTIDSNPSWWTNWLIPAISALFVALIYHLYTSEN 5 97 1CYO 1 93 P00171 A 1 1 93 5 parallel anti-parallel parallel parallel A LYS 5 A LYS 5 A TYR 7 A TYR 7 A PHE 74 A PHE 74 A HIS 80 A HIS 80 A TYR 27 A TYR 27 A LEU 32 A LEU 32 A THR 21 A THR 21 A LEU 25 A LEU 25 A GLY 51 A GLY 51 A ALA 54 A ALA 54 BINDING SITE FOR RESIDUE HEM A 201 A HEM 201 Software 16 A TRP 22 A TRP 22 16 1_556 A LEU 32 A LEU 32 16 1_555 A PHE 35 A PHE 35 16 1_555 A HIS 39 A HIS 39 16 1_555 A PRO 40 A PRO 40 16 1_555 A GLY 41 A GLY 41 16 1_555 A VAL 45 A VAL 45 16 1_555 A LEU 46 A LEU 46 16 1_555 A GLN 49 A GLN 49 16 1_555 A PHE 58 A PHE 58 16 1_555 A HIS 63 A HIS 63 16 1_555 A SER 64 A SER 64 16 1_555 A ALA 67 A ALA 67 16 1_555 A HOH 536 C HOH 16 1_555 A HOH 550 C HOH 16 1_555 A HOH 598 C HOH 16 1_555 19 P 21 21 21