0.009542 0.000000 0.000000 0.000000 0.018215 0.000000 0.000000 0.000000 0.009042 0.00000 0.00000 0.00000 Hackert, M. Kolatkar, P. Ernst, S.R. Ogata, C.M. Hendrickson, W.A. Merritt, E.A. Phizackerley, R.P. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 16 90.00 90.00 90.00 104.800 54.900 110.600 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 C N -1 26.017 CYANIDE ION non-polymer 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 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 C N 75 N N N 76 N N N 77 R C N 78 N C N 79 N O N 80 N C N 81 N S N 82 N O N 83 N H 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 N N 91 S C N 92 N C N 93 N O N 94 N C N 95 N C N 96 N C N 97 N O N 98 N N N 99 N O 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 H N 109 N H N 110 N N N 111 S C N 112 N C N 113 N O N 114 N C N 115 N C N 116 N C N 117 N O N 118 N O N 119 N O 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 H N 128 N H N 129 N N N 130 N C N 131 N C N 132 N O N 133 N O N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N C N 140 N C N 141 N C N 142 N C Y 143 N C Y 144 N C Y 145 N C Y 146 N C N 147 N C N 148 N C N 149 N C N 150 N C N 151 N O N 152 N O 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 C Y 160 N C Y 161 N C Y 162 N C Y 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 C N 174 N C N 175 N O N 176 N O Y 177 N N N 178 N N Y 179 N N N 180 N N N 181 N FE 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 H N 213 N H N 214 N N N 215 S C N 216 N C N 217 N O N 218 N C Y 219 N C Y 220 N N Y 221 N C Y 222 N C Y 223 N N N 224 N O 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 H N 234 N H N 235 N O N 236 N H N 237 N H N 238 N N N 239 S C N 240 N C N 241 N O N 242 S C N 243 N C N 244 N C N 245 N C N 246 N O 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 H N 259 N H N 260 N N N 261 S C N 262 N C N 263 N O N 264 N C N 265 N C N 266 N C N 267 N C N 268 N O 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 N N 283 S C N 284 N C N 285 N O N 286 N C N 287 N C N 288 N C N 289 N C N 290 N N 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 H N 304 N H N 305 N H N 306 N H N 307 N N N 308 S C N 309 N C N 310 N O N 311 N C N 312 N C N 313 N S N 314 N C N 315 N O 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 H N 326 N H N 327 N N N 328 S C N 329 N C N 330 N O N 331 N C Y 332 N C Y 333 N C Y 334 N C Y 335 N C Y 336 N C Y 337 N C N 338 N O 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 H N 346 N H N 347 N H N 348 N H N 349 N H N 350 N N N 351 S C N 352 N C N 353 N O N 354 N C N 355 N C N 356 N C N 357 N O N 358 N H N 359 N H 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 N N 368 S C N 369 N C N 370 N O N 371 N C N 372 N O N 373 N O N 374 N H N 375 N H N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N N N 382 S C N 383 N C N 384 N O N 385 R C N 386 N O N 387 N C N 388 N O N 389 N H N 390 N H 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 N N 399 S C N 400 N C N 401 N O N 402 N C Y 403 N C Y 404 N C Y 405 N C Y 406 N N Y 407 N C Y 408 N C Y 409 N C Y 410 N C Y 411 N C N 412 N O N 413 N H N 414 N H 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 N N 426 S C N 427 N C N 428 N O N 429 N C Y 430 N C Y 431 N C Y 432 N C Y 433 N C Y 434 N C Y 435 N C N 436 N O N 437 N O N 438 N H N 439 N H 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 N N 450 S C N 451 N C N 452 N O N 453 N C N 454 N C N 455 N C N 456 N O N 457 N H N 458 N H 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 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 trip N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N doub 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 sing N 90 N doub 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 sing N 98 N doub 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 sing N 109 N doub 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 sing N 117 N doub 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 sing N 127 N doub N 128 N sing N 129 N sing N 130 N sing N 131 N doub N 132 N sing N 133 N sing N 134 N doub N 135 N sing N 136 N sing N 137 N doub N 138 N sing N 139 N doub N 140 N sing N 141 N sing Y 142 N doub Y 143 N sing Y 144 N sing N 145 N sing Y 146 N doub N 147 N sing Y 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 sing N 158 N doub N 159 N sing N 160 N sing N 161 N sing N 162 N doub N 163 N sing N 164 N sing N 165 N sing N 166 N doub 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 Y 174 N sing Y 175 N sing Y 176 N doub N 177 N sing Y 178 N sing N 179 N sing Y 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N doub N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N doub 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 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 sing N 218 N doub N 219 N sing N 220 N sing N 221 N sing N 222 N sing Y 223 N sing Y 224 N doub Y 225 N doub N 226 N sing Y 227 N sing N 228 N sing Y 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 doub 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 sing N 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 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 doub 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 sing N 307 N doub 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 doub N 327 N sing N 328 N sing N 329 N sing N 330 N sing Y 331 N doub Y 332 N sing Y 333 N sing N 334 N sing Y 335 N doub N 336 N sing Y 337 N doub N 338 N sing Y 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 doub 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 sing N 363 N sing N 364 N sing N 365 N sing N 366 N doub 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 sing N 376 N sing N 377 N sing N 378 N sing N 379 N doub 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 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 doub N 396 N sing N 397 N sing N 398 N sing N 399 N sing Y 400 N doub Y 401 N sing Y 402 N sing N 403 N sing Y 404 N doub Y 405 N sing Y 406 N sing N 407 N sing Y 408 N sing Y 409 N doub N 410 N sing Y 411 N doub N 412 N sing Y 413 N sing N 414 N sing 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 doub N 424 N sing N 425 N sing N 426 N sing N 427 N sing Y 428 N doub Y 429 N sing Y 430 N sing N 431 N sing Y 432 N doub N 433 N sing Y 434 N doub N 435 N sing Y 436 N sing 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 doub 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 sing N 457 N sing N 458 N sing DK Acta Crystallogr.,Sect.B ASBSDK 0622 0108-7681 48 191 199 10.1107/S0108768191012363 1515107 Structure determination and refinement of homotetrameric hemoglobin from Urechis caupo at 2.5 A resolution. 1992 US J.Biol.Chem. JBCHA3 0071 0021-9258 263 3462 Novel Subunit Structure Observed for Noncooperative Hemoglobin from Urechis Caupo 1988 10.2210/pdb1ith/pdb pdb_00001ith 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 15048.366 HEMOGLOBIN (CYANO MET) 2 man polymer 26.017 CYANIDE ION 2 syn non-polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 2 syn non-polymer 18.015 water 150 nat water no no GLTAAQIKAIQDHWFLNIKGCLQAAADSIFFKYLTAYPGDLAFFHKFSSVPLYGLRSNPAYKAQTLTVINYLDKVVDALG GNAGALMKAKVPSHDAMGITPKHFGQLLKLVGGVFQEEFSADPTTVAAWGDAAGVLVAAMK GLTAAQIKAIQDHWFLNIKGCLQAAADSIFFKYLTAYPGDLAFFHKFSSVPLYGLRSNPAYKAQTLTVINYLDKVVDALG GNAGALMKAKVPSHDAMGITPKHFGQLLKLVGGVFQEEFSADPTTVAAWGDAAGVLVAAMK A,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 Urechis sample CDNA 6431 Urechis caupo 2.64 53.44 chem_comp_atom chem_comp_bond database_2 pdbx_database_status pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Other 1 0 1993-10-31 1 1 2008-03-03 1 2 2011-07-13 1 3 2024-02-07 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.ptnr1_auth_asym_id _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_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Y BNL 1991-12-03 REL REL CYN CYANIDE ION HEM PROTOPORPHYRIN IX CONTAINING FE HOH water RESIDUE 4 OF EACH CHAIN IS PRESENTED AS ALA IN THIS ENTRY. BOTH PIR AND SWISSPROT DATABASES LISTED THIS RESIDUE AS THR AT THE TIME THAT THIS ENTRY WAS PREPARED. THIS WAS BASED ON CDNA SEQUENCE OBTAINED FROM ONE CLONE. HOWEVER, AMINO ACID SEQUENCING OF THE GLOBINS SHOWED RESIDUE 4 TO BE ALA. THIS WAS CONFIRMED BY DIFFERENCE ELECTRON DENSITY MAPS. HEM 1 2 CYN CYN 142 A HEM 1 3 HEM HEM 143 A HEM 1 2 CYN CYN 142 B HEM 1 3 HEM HEM 143 B HOH 385 4 HOH HOH 385 A HOH 386 4 HOH HOH 386 A HOH 395 4 HOH HOH 395 A HOH 396 4 HOH HOH 396 A HOH 397 4 HOH HOH 397 A HOH 399 4 HOH HOH 399 A HOH 401 4 HOH HOH 401 A HOH 405 4 HOH HOH 405 A HOH 407 4 HOH HOH 407 A HOH 409 4 HOH HOH 409 A HOH 410 4 HOH HOH 410 A HOH 413 4 HOH HOH 413 A HOH 415 4 HOH HOH 415 A HOH 419 4 HOH HOH 419 A HOH 422 4 HOH HOH 422 A HOH 423 4 HOH HOH 423 A HOH 426 4 HOH HOH 426 A HOH 428 4 HOH HOH 428 A HOH 430 4 HOH HOH 430 A HOH 432 4 HOH HOH 432 A HOH 436 4 HOH HOH 436 A HOH 437 4 HOH HOH 437 A HOH 438 4 HOH HOH 438 A HOH 440 4 HOH HOH 440 A HOH 442 4 HOH HOH 442 A HOH 443 4 HOH HOH 443 A HOH 444 4 HOH HOH 444 A HOH 446 4 HOH HOH 446 A HOH 450 4 HOH HOH 450 A HOH 452 4 HOH HOH 452 A HOH 454 4 HOH HOH 454 A HOH 455 4 HOH HOH 455 A HOH 459 4 HOH HOH 459 A HOH 461 4 HOH HOH 461 A HOH 462 4 HOH HOH 462 A HOH 463 4 HOH HOH 463 A HOH 466 4 HOH HOH 466 A HOH 467 4 HOH HOH 467 A HOH 469 4 HOH HOH 469 A HOH 472 4 HOH HOH 472 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 481 4 HOH HOH 481 A HOH 483 4 HOH HOH 483 A HOH 485 4 HOH HOH 485 A HOH 487 4 HOH HOH 487 A HOH 489 4 HOH HOH 489 A HOH 491 4 HOH HOH 491 A HOH 492 4 HOH HOH 492 A HOH 493 4 HOH HOH 493 A HOH 494 4 HOH HOH 494 A HOH 495 4 HOH HOH 495 A HOH 497 4 HOH HOH 497 A HOH 499 4 HOH HOH 499 A HOH 500 4 HOH HOH 500 A HOH 503 4 HOH HOH 503 A HOH 508 4 HOH HOH 508 A HOH 509 4 HOH HOH 509 A HOH 510 4 HOH HOH 510 A HOH 512 4 HOH HOH 512 A HOH 600 4 HOH HOH 600 A HOH 606 4 HOH HOH 606 A HOH 610 4 HOH HOH 610 A HOH 611 4 HOH HOH 611 A HOH 612 4 HOH HOH 612 A HOH 613 4 HOH HOH 613 A HOH 614 4 HOH HOH 614 A HOH 617 4 HOH HOH 617 A HOH 618 4 HOH HOH 618 A HOH 619 4 HOH HOH 619 A HOH 621 4 HOH HOH 621 A HOH 622 4 HOH HOH 622 A HOH 624 4 HOH HOH 624 A HOH 628 4 HOH HOH 628 A HOH 631 4 HOH HOH 631 A HOH 632 4 HOH HOH 632 A HOH 633 4 HOH HOH 633 A HOH 635 4 HOH HOH 635 A HOH 637 4 HOH HOH 637 A HOH 638 4 HOH HOH 638 A HOH 700 4 HOH HOH 700 A HOH 701 4 HOH HOH 701 A HOH 707 4 HOH HOH 707 A HOH 708 4 HOH HOH 708 A HOH 384 4 HOH HOH 384 B HOH 388 4 HOH HOH 388 B HOH 391 4 HOH HOH 391 B HOH 393 4 HOH HOH 393 B HOH 394 4 HOH HOH 394 B HOH 398 4 HOH HOH 398 B HOH 400 4 HOH HOH 400 B HOH 403 4 HOH HOH 403 B HOH 408 4 HOH HOH 408 B HOH 411 4 HOH HOH 411 B HOH 412 4 HOH HOH 412 B HOH 417 4 HOH HOH 417 B HOH 420 4 HOH HOH 420 B HOH 421 4 HOH HOH 421 B HOH 424 4 HOH HOH 424 B HOH 425 4 HOH HOH 425 B HOH 427 4 HOH HOH 427 B HOH 429 4 HOH HOH 429 B HOH 431 4 HOH HOH 431 B HOH 435 4 HOH HOH 435 B HOH 441 4 HOH HOH 441 B HOH 445 4 HOH HOH 445 B HOH 447 4 HOH HOH 447 B HOH 448 4 HOH HOH 448 B HOH 449 4 HOH HOH 449 B HOH 456 4 HOH HOH 456 B HOH 458 4 HOH HOH 458 B HOH 460 4 HOH HOH 460 B HOH 465 4 HOH HOH 465 B HOH 468 4 HOH HOH 468 B HOH 470 4 HOH HOH 470 B HOH 471 4 HOH HOH 471 B HOH 478 4 HOH HOH 478 B HOH 479 4 HOH HOH 479 B HOH 488 4 HOH HOH 488 B HOH 490 4 HOH HOH 490 B HOH 498 4 HOH HOH 498 B HOH 504 4 HOH HOH 504 B HOH 505 4 HOH HOH 505 B HOH 603 4 HOH HOH 603 B HOH 604 4 HOH HOH 604 B HOH 605 4 HOH HOH 605 B HOH 608 4 HOH HOH 608 B HOH 615 4 HOH HOH 615 B HOH 616 4 HOH HOH 616 B HOH 620 4 HOH HOH 620 B HOH 623 4 HOH HOH 623 B HOH 625 4 HOH HOH 625 B HOH 626 4 HOH HOH 626 B HOH 627 4 HOH HOH 627 B HOH 629 4 HOH HOH 629 B HOH 630 4 HOH HOH 630 B HOH 634 4 HOH HOH 634 B HOH 639 4 HOH HOH 639 B HOH 640 4 HOH HOH 640 B HOH 641 4 HOH HOH 641 B HOH 702 4 HOH HOH 702 B HOH 703 4 HOH HOH 703 B HOH 704 4 HOH HOH 704 B HOH 706 4 HOH HOH 706 B HOH 710 4 HOH HOH 710 B HOH 711 4 HOH HOH 711 B HOH 712 4 HOH HOH 712 B HOH 713 4 HOH HOH 713 B GLY 1 n 1 GLY 1 A LEU 2 n 2 LEU 2 A THR 3 n 3 THR 3 A ALA 4 n 4 ALA 4 A ALA 5 n 5 ALA 5 A GLN 6 n 6 GLN 6 A ILE 7 n 7 ILE 7 A LYS 8 n 8 LYS 8 A ALA 9 n 9 ALA 9 A ILE 10 n 10 ILE 10 A GLN 11 n 11 GLN 11 A ASP 12 n 12 ASP 12 A HIS 13 n 13 HIS 13 A TRP 14 n 14 TRP 14 A PHE 15 n 15 PHE 15 A LEU 16 n 16 LEU 16 A ASN 17 n 17 ASN 17 A ILE 18 n 18 ILE 18 A LYS 19 n 19 LYS 19 A GLY 20 n 20 GLY 20 A CYS 21 n 21 CYS 21 A LEU 22 n 22 LEU 22 A GLN 23 n 23 GLN 23 A ALA 24 n 24 ALA 24 A ALA 25 n 25 ALA 25 A ALA 26 n 26 ALA 26 A ASP 27 n 27 ASP 27 A SER 28 n 28 SER 28 A ILE 29 n 29 ILE 29 A PHE 30 n 30 PHE 30 A PHE 31 n 31 PHE 31 A LYS 32 n 32 LYS 32 A TYR 33 n 33 TYR 33 A LEU 34 n 34 LEU 34 A THR 35 n 35 THR 35 A ALA 36 n 36 ALA 36 A TYR 37 n 37 TYR 37 A PRO 38 n 38 PRO 38 A GLY 39 n 39 GLY 39 A ASP 40 n 40 ASP 40 A LEU 41 n 41 LEU 41 A ALA 42 n 42 ALA 42 A PHE 43 n 43 PHE 43 A PHE 44 n 44 PHE 44 A HIS 45 n 45 HIS 45 A LYS 46 n 46 LYS 46 A PHE 47 n 47 PHE 47 A SER 48 n 48 SER 48 A SER 49 n 49 SER 49 A VAL 50 n 50 VAL 50 A PRO 51 n 51 PRO 51 A LEU 52 n 52 LEU 52 A TYR 53 n 53 TYR 53 A GLY 54 n 54 GLY 54 A LEU 55 n 55 LEU 55 A ARG 56 n 56 ARG 56 A SER 57 n 57 SER 57 A ASN 58 n 58 ASN 58 A PRO 59 n 59 PRO 59 A ALA 60 n 60 ALA 60 A TYR 61 n 61 TYR 61 A LYS 62 n 62 LYS 62 A ALA 63 n 63 ALA 63 A GLN 64 n 64 GLN 64 A THR 65 n 65 THR 65 A LEU 66 n 66 LEU 66 A THR 67 n 67 THR 67 A VAL 68 n 68 VAL 68 A ILE 69 n 69 ILE 69 A ASN 70 n 70 ASN 70 A TYR 71 n 71 TYR 71 A LEU 72 n 72 LEU 72 A ASP 73 n 73 ASP 73 A LYS 74 n 74 LYS 74 A VAL 75 n 75 VAL 75 A VAL 76 n 76 VAL 76 A ASP 77 n 77 ASP 77 A ALA 78 n 78 ALA 78 A LEU 79 n 79 LEU 79 A GLY 80 n 80 GLY 80 A GLY 81 n 81 GLY 81 A ASN 82 n 82 ASN 82 A ALA 83 n 83 ALA 83 A GLY 84 n 84 GLY 84 A ALA 85 n 85 ALA 85 A LEU 86 n 86 LEU 86 A MET 87 n 87 MET 87 A LYS 88 n 88 LYS 88 A ALA 89 n 89 ALA 89 A LYS 90 n 90 LYS 90 A VAL 91 n 91 VAL 91 A PRO 92 n 92 PRO 92 A SER 93 n 93 SER 93 A HIS 94 n 94 HIS 94 A ASP 95 n 95 ASP 95 A ALA 96 n 96 ALA 96 A MET 97 n 97 MET 97 A GLY 98 n 98 GLY 98 A ILE 99 n 99 ILE 99 A THR 100 n 100 THR 100 A PRO 101 n 101 PRO 101 A LYS 102 n 102 LYS 102 A HIS 103 n 103 HIS 103 A PHE 104 n 104 PHE 104 A GLY 105 n 105 GLY 105 A GLN 106 n 106 GLN 106 A LEU 107 n 107 LEU 107 A LEU 108 n 108 LEU 108 A LYS 109 n 109 LYS 109 A LEU 110 n 110 LEU 110 A VAL 111 n 111 VAL 111 A GLY 112 n 112 GLY 112 A GLY 113 n 113 GLY 113 A VAL 114 n 114 VAL 114 A PHE 115 n 115 PHE 115 A GLN 116 n 116 GLN 116 A GLU 117 n 117 GLU 117 A GLU 118 n 118 GLU 118 A PHE 119 n 119 PHE 119 A SER 120 n 120 SER 120 A ALA 121 n 121 ALA 121 A ASP 122 n 122 ASP 122 A PRO 123 n 123 PRO 123 A THR 124 n 124 THR 124 A THR 125 n 125 THR 125 A VAL 126 n 126 VAL 126 A ALA 127 n 127 ALA 127 A ALA 128 n 128 ALA 128 A TRP 129 n 129 TRP 129 A GLY 130 n 130 GLY 130 A ASP 131 n 131 ASP 131 A ALA 132 n 132 ALA 132 A ALA 133 n 133 ALA 133 A GLY 134 n 134 GLY 134 A VAL 135 n 135 VAL 135 A LEU 136 n 136 LEU 136 A VAL 137 n 137 VAL 137 A ALA 138 n 138 ALA 138 A ALA 139 n 139 ALA 139 A MET 140 n 140 MET 140 A LYS 141 n 141 LYS 141 A GLY 1 n 1 GLY 1 B LEU 2 n 2 LEU 2 B THR 3 n 3 THR 3 B ALA 4 n 4 ALA 4 B ALA 5 n 5 ALA 5 B GLN 6 n 6 GLN 6 B ILE 7 n 7 ILE 7 B LYS 8 n 8 LYS 8 B ALA 9 n 9 ALA 9 B ILE 10 n 10 ILE 10 B GLN 11 n 11 GLN 11 B ASP 12 n 12 ASP 12 B HIS 13 n 13 HIS 13 B TRP 14 n 14 TRP 14 B PHE 15 n 15 PHE 15 B LEU 16 n 16 LEU 16 B ASN 17 n 17 ASN 17 B ILE 18 n 18 ILE 18 B LYS 19 n 19 LYS 19 B GLY 20 n 20 GLY 20 B CYS 21 n 21 CYS 21 B LEU 22 n 22 LEU 22 B GLN 23 n 23 GLN 23 B ALA 24 n 24 ALA 24 B ALA 25 n 25 ALA 25 B ALA 26 n 26 ALA 26 B ASP 27 n 27 ASP 27 B SER 28 n 28 SER 28 B ILE 29 n 29 ILE 29 B PHE 30 n 30 PHE 30 B PHE 31 n 31 PHE 31 B LYS 32 n 32 LYS 32 B TYR 33 n 33 TYR 33 B LEU 34 n 34 LEU 34 B THR 35 n 35 THR 35 B ALA 36 n 36 ALA 36 B TYR 37 n 37 TYR 37 B PRO 38 n 38 PRO 38 B GLY 39 n 39 GLY 39 B ASP 40 n 40 ASP 40 B LEU 41 n 41 LEU 41 B ALA 42 n 42 ALA 42 B PHE 43 n 43 PHE 43 B PHE 44 n 44 PHE 44 B HIS 45 n 45 HIS 45 B LYS 46 n 46 LYS 46 B PHE 47 n 47 PHE 47 B SER 48 n 48 SER 48 B SER 49 n 49 SER 49 B VAL 50 n 50 VAL 50 B PRO 51 n 51 PRO 51 B LEU 52 n 52 LEU 52 B TYR 53 n 53 TYR 53 B GLY 54 n 54 GLY 54 B LEU 55 n 55 LEU 55 B ARG 56 n 56 ARG 56 B SER 57 n 57 SER 57 B ASN 58 n 58 ASN 58 B PRO 59 n 59 PRO 59 B ALA 60 n 60 ALA 60 B TYR 61 n 61 TYR 61 B LYS 62 n 62 LYS 62 B ALA 63 n 63 ALA 63 B GLN 64 n 64 GLN 64 B THR 65 n 65 THR 65 B LEU 66 n 66 LEU 66 B THR 67 n 67 THR 67 B VAL 68 n 68 VAL 68 B ILE 69 n 69 ILE 69 B ASN 70 n 70 ASN 70 B TYR 71 n 71 TYR 71 B LEU 72 n 72 LEU 72 B ASP 73 n 73 ASP 73 B LYS 74 n 74 LYS 74 B VAL 75 n 75 VAL 75 B VAL 76 n 76 VAL 76 B ASP 77 n 77 ASP 77 B ALA 78 n 78 ALA 78 B LEU 79 n 79 LEU 79 B GLY 80 n 80 GLY 80 B GLY 81 n 81 GLY 81 B ASN 82 n 82 ASN 82 B ALA 83 n 83 ALA 83 B GLY 84 n 84 GLY 84 B ALA 85 n 85 ALA 85 B LEU 86 n 86 LEU 86 B MET 87 n 87 MET 87 B LYS 88 n 88 LYS 88 B ALA 89 n 89 ALA 89 B LYS 90 n 90 LYS 90 B VAL 91 n 91 VAL 91 B PRO 92 n 92 PRO 92 B SER 93 n 93 SER 93 B HIS 94 n 94 HIS 94 B ASP 95 n 95 ASP 95 B ALA 96 n 96 ALA 96 B MET 97 n 97 MET 97 B GLY 98 n 98 GLY 98 B ILE 99 n 99 ILE 99 B THR 100 n 100 THR 100 B PRO 101 n 101 PRO 101 B LYS 102 n 102 LYS 102 B HIS 103 n 103 HIS 103 B PHE 104 n 104 PHE 104 B GLY 105 n 105 GLY 105 B GLN 106 n 106 GLN 106 B LEU 107 n 107 LEU 107 B LEU 108 n 108 LEU 108 B LYS 109 n 109 LYS 109 B LEU 110 n 110 LEU 110 B VAL 111 n 111 VAL 111 B GLY 112 n 112 GLY 112 B GLY 113 n 113 GLY 113 B VAL 114 n 114 VAL 114 B PHE 115 n 115 PHE 115 B GLN 116 n 116 GLN 116 B GLU 117 n 117 GLU 117 B GLU 118 n 118 GLU 118 B PHE 119 n 119 PHE 119 B SER 120 n 120 SER 120 B ALA 121 n 121 ALA 121 B ASP 122 n 122 ASP 122 B PRO 123 n 123 PRO 123 B THR 124 n 124 THR 124 B THR 125 n 125 THR 125 B VAL 126 n 126 VAL 126 B ALA 127 n 127 ALA 127 B ALA 128 n 128 ALA 128 B TRP 129 n 129 TRP 129 B GLY 130 n 130 GLY 130 B ASP 131 n 131 ASP 131 B ALA 132 n 132 ALA 132 B ALA 133 n 133 ALA 133 B GLY 134 n 134 GLY 134 B VAL 135 n 135 VAL 135 B LEU 136 n 136 LEU 136 B VAL 137 n 137 VAL 137 B ALA 138 n 138 ALA 138 B ALA 139 n 139 ALA 139 B MET 140 n 140 MET 140 B LYS 141 n 141 LYS 141 B author_defined_assembly 4 tetrameric A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NA HEM 1_555 98.8 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NB HEM 1_555 94.3 A HEM 143 D NA HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NB HEM 1_555 87.9 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NC HEM 1_555 100.5 A HEM 143 D NA HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NC HEM 1_555 160.7 A HEM 143 D NB HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D NC HEM 1_555 89.8 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D ND HEM 1_555 97.4 A HEM 143 D NA HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D ND HEM 1_555 88.5 A HEM 143 D NB HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D ND HEM 1_555 168.1 A HEM 143 D NC HEM 1_555 A HEM 143 D FE HEM 1_555 A HEM 143 D ND HEM 1_555 89.8 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C C CYN 1_555 171.7 A HEM 143 D NA HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C C CYN 1_555 89.5 A HEM 143 D NB HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C C CYN 1_555 85.4 A HEM 143 D NC HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C C CYN 1_555 71.2 A HEM 143 D ND HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C C CYN 1_555 83.3 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 164.0 A HEM 143 D NA HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 85.3 A HEM 143 D NB HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 101.3 A HEM 143 D NC HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 76.3 A HEM 143 D ND HEM 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 67.1 A CYN 142 C C CYN 1_555 A HEM 143 D FE HEM 1_555 A CYN 142 C N CYN 1_555 16.6 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NA HEM 1_555 100.1 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NB HEM 1_555 101.6 B HEM 143 F NA HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NB HEM 1_555 87.8 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NC HEM 1_555 98.1 B HEM 143 F NA HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NC HEM 1_555 161.7 B HEM 143 F NB HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F NC HEM 1_555 89.8 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F ND HEM 1_555 96.7 B HEM 143 F NA HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F ND HEM 1_555 88.3 B HEM 143 F NB HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F ND HEM 1_555 161.7 B HEM 143 F NC HEM 1_555 B HEM 143 F FE HEM 1_555 B HEM 143 F ND HEM 1_555 88.2 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E C CYN 1_555 172.4 B HEM 143 F NA HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E C CYN 1_555 86.2 B HEM 143 F NB HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E C CYN 1_555 82.8 B HEM 143 F NC HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E C CYN 1_555 75.5 B HEM 143 F ND HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E C CYN 1_555 79.1 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 162.8 B HEM 143 F NA HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 81.7 B HEM 143 F NB HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 95.5 B HEM 143 F NC HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 80.5 B HEM 143 F ND HEM 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 66.2 B CYN 142 E C CYN 1_555 B HEM 143 F FE HEM 1_555 B CYN 142 E N CYN 1_555 13.7 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 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 4_565 x,-y+1,-z crystal symmetry operation 0.0000000000 54.9000000000 0.0000000000 1 7.09 0.80 106.30 113.39 A A A CD1 CG CD2 TRP TRP TRP 14 14 14 N 1 -5.70 0.80 107.30 101.60 A A A CE2 CD2 CG TRP TRP TRP 14 14 14 N 1 13.64 2.20 113.40 127.04 A A A CA CB CG LYS LYS LYS 46 46 46 N 1 -4.35 0.60 121.00 116.65 A A A CB CG CD2 TYR TYR TYR 53 53 53 N 1 -11.60 1.90 110.30 98.70 A A A N CA CB THR THR THR 65 65 65 N 1 -13.27 1.70 111.00 97.73 A A A CB CG CD2 LEU LEU LEU 110 110 110 N 1 9.14 1.40 112.40 121.54 A A A CA CB CG2 THR THR THR 124 124 124 N 1 6.79 0.80 106.30 113.09 A A A CD1 CG CD2 TRP TRP TRP 129 129 129 N 1 -8.31 1.30 127.00 118.69 A A A CB CG CD1 TRP TRP TRP 129 129 129 N 1 -6.04 0.80 107.30 101.26 A A A CE2 CD2 CG TRP TRP TRP 129 129 129 N 1 5.69 0.90 133.90 139.59 A A A CG CD2 CE3 TRP TRP TRP 129 129 129 N 1 5.69 0.80 106.30 111.99 B B B CD1 CG CD2 TRP TRP TRP 14 14 14 N 1 -5.27 0.80 107.30 102.03 B B B CE2 CD2 CG TRP TRP TRP 14 14 14 N 1 6.17 0.90 118.30 124.47 B B B CB CG OD1 ASP ASP ASP 27 27 27 N 1 -11.34 1.60 110.90 99.56 B B B CG1 CB CG2 VAL VAL VAL 68 68 68 N 1 -11.34 1.60 110.90 99.56 B B B CG1 CB CG2 VAL VAL VAL 75 75 75 N 1 5.88 0.80 106.30 112.18 B B B CD1 CG CD2 TRP TRP TRP 129 129 129 N 1 -5.74 0.80 107.30 101.56 B B B CE2 CD2 CG TRP TRP TRP 129 129 129 N 1 A A NE2 CD2 HIS HIS 13 13 -0.077 0.011 1.373 1.296 N 1 A A NE2 CD2 HIS HIS 94 94 -0.075 0.011 1.373 1.298 N 1 A A NE2 CD2 HIS HIS 103 103 -0.067 0.011 1.373 1.306 N 1 B B NE2 CD2 HIS HIS 13 13 -0.077 0.011 1.373 1.296 N 1 A PHE 47 -151.91 16.98 1 A ALA 89 -57.92 -9.73 1 B PHE 47 -153.46 23.01 1 B ASN 82 -79.78 22.22 1 B ALA 89 -45.85 -10.72 1 B PRO 101 -36.52 -19.44 0.1470000 0.1470000 2.5 1 2.5 150 2366 90 0 2126 0.015 3.330 model building X-PLOR refinement X-PLOR phasing X-PLOR STRUCTURE DETERMINATION AND REFINEMENT OF HOMOTETRAMERIC HEMOGLOBIN FROM URECHIS CAUPO AT 2.5 ANGSTROMS RESOLUTION 1 N N 1 N N 2 N N 3 N N 2 N N 3 N N 4 N N 4 N N THE TWO NON-CRYSTALLOGRAPHIC SUBUNITS ARE RELATED BY A MOLECULAR TWO-FOLD AXIS (179.8 DEGREE ROTATION) LOCATED IN THE BC PLANE AT 35 DEGREES FROM THE B AXIS (SEE REFERENCE 1). THE BACKBONE (N, C-ALPHA, C, O, + FE) RMS FIT = 0.317. THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL YIELD APPROXIMATE COORDINATES FOR CHAIN *A* WHEN APPLIED TO CHAIN *B*. A THR 3 A THR 3 HELX_P A ASN 17 A ASN 17 1 AA 15 A LEU 22 A LEU 22 HELX_P A TYR 37 A TYR 37 1 BA 16 A PRO 38 A PRO 38 HELX_P A PHE 43 A PHE 43 5 CA 6 A PRO 51 A PRO 51 HELX_P A LEU 55 A LEU 55 5 DA 5 A ASN 58 A ASN 58 HELX_P A ALA 78 A ALA 78 1 EA 21 A GLY 81 A GLY 81 HELX_P A ALA 89 A ALA 89 1 F1A 9 A LYS 88 A LYS 88 HELX_P A VAL 91 A VAL 91 5 F2A 4 A VAL 91 A VAL 91 HELX_P A ALA 96 A ALA 96 1 F3A 6 A THR 100 A THR 100 HELX_P GLY 112/GLY 113 FORM A KINK A GLU 118 A GLU 118 1 GA 19 A ASP 122 A ASP 122 HELX_P A ALA 139 A ALA 139 1 HA 18 B THR 3 B THR 3 HELX_P B ASN 17 B ASN 17 1 AB 15 B LEU 22 B LEU 22 HELX_P B TYR 37 B TYR 37 1 BB 16 B PRO 38 B PRO 38 HELX_P B PHE 43 B PHE 43 5 CB 6 B PRO 51 B PRO 51 HELX_P B LEU 55 B LEU 55 5 DB 5 B ASN 58 B ASN 58 HELX_P B ALA 78 B ALA 78 1 EB 21 B GLY 81 B GLY 81 HELX_P B ALA 89 B ALA 89 1 F1B 9 B LYS 88 B LYS 88 HELX_P B VAL 91 B VAL 91 5 F2B 4 B VAL 91 B VAL 91 HELX_P B ALA 96 B ALA 96 1 F3B 6 B THR 100 B THR 100 HELX_P GLY 112/GLY 113 FORM A KINK B GLU 118 B GLU 118 1 GB 19 B ASP 122 B ASP 122 HELX_P B ALA 139 B ALA 139 1 HB 18 metalc 2.160 A HIS 94 A NE2 HIS 94 1_555 A HEM 143 D FE HEM 1_555 metalc 1.818 A CYN 142 C C CYN 1_555 A HEM 143 D FE HEM 1_555 metalc 2.755 A CYN 142 C N CYN 1_555 A HEM 143 D FE HEM 1_555 metalc 2.165 B HIS 94 B NE2 HIS 94 1_555 B HEM 143 F FE HEM 1_555 metalc 1.830 B CYN 142 E C CYN 1_555 B HEM 143 F FE HEM 1_555 metalc 2.826 B CYN 142 E N CYN 1_555 B HEM 143 F FE HEM 1_555 OXYGEN TRANSPORT OXYGEN TRANSPORT given -1.000000 -0.002700 -0.000700 0.000400 -0.373700 0.927600 -0.002700 0.927600 0.373700 49.96160 37.66540 -25.28980 HBF1_URECA UNP 1 1 P06148 GLTTAQIKAIQDHWFLNIKGCLQAAADSIFFKYLTAYPGDLAFFHKFSSVPLYGLRSNPAYKAQTLTVINYLDKVVDALG GNAGALMKAKVPSHDAMGITPKHFGQLLKLVGGVFQEEFSADPTTVAAWGDAAGVLVAAMK 1 141 1ITH 1 141 P06148 A 1 1 141 1 141 1ITH 1 141 P06148 B 1 1 141 1 THR conflict ALA 4 1ITH A P06148 UNP 4 4 2 THR conflict ALA 4 1ITH B P06148 UNP 4 4 BINDING SITE FOR RESIDUE CYN A 142 A CYN 142 Software 4 BINDING SITE FOR RESIDUE CYN B 142 B CYN 142 Software 2 BINDING SITE FOR RESIDUE HEM A 143 A HEM 143 Software 12 BINDING SITE FOR RESIDUE HEM B 143 B HEM 143 Software 17 A PHE 44 A PHE 44 4 1_555 A GLN 64 A GLN 64 4 1_555 A VAL 68 A VAL 68 4 1_555 A HEM 143 D HEM 4 1_555 B GLN 64 B GLN 64 2 1_555 B HEM 143 F HEM 2 1_555 A TYR 33 A TYR 33 12 1_555 A PHE 43 A PHE 43 12 1_555 A PHE 44 A PHE 44 12 1_555 A LYS 46 A LYS 46 12 1_555 A GLN 64 A GLN 64 12 1_555 A LYS 90 A LYS 90 12 1_555 A SER 93 A SER 93 12 1_555 A HIS 94 A HIS 94 12 1_555 A ILE 99 A ILE 99 12 1_555 A HIS 103 A HIS 103 12 1_555 A PHE 104 A PHE 104 12 1_555 A CYN 142 C CYN 12 1_555 B TYR 33 B TYR 33 17 1_555 B PHE 43 B PHE 43 17 1_555 B LYS 46 B LYS 46 17 1_555 B GLN 64 B GLN 64 17 1_555 B VAL 68 B VAL 68 17 1_555 B TYR 71 B TYR 71 17 1_555 B LYS 90 B LYS 90 17 1_555 B SER 93 B SER 93 17 1_555 B HIS 94 B HIS 94 17 1_555 B ILE 99 B ILE 99 17 1_555 B HIS 103 B HIS 103 17 1_555 B PHE 104 B PHE 104 17 1_555 B LEU 107 B LEU 107 17 1_555 B CYN 142 E CYN 17 1_555 B HOH 448 H HOH 17 1_555 B HOH 504 H HOH 17 1_555 B HOH 604 H HOH 17 1_555 20 C 2 2 21