0.022217 0.000000 0.000000 0.000000 0.017298 0.000000 0.000000 0.000000 0.007375 0.00000 0.00000 0.00000 Yang, H.-W. MacGillivray, R.T.A. Chen, J. Luo, Y. Wang, Y. Brayer, G.D. Mason, A. Woodworth, R.C. Murphy, M.E.P. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 45.03 57.910 135.900 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 O3 -2 60.009 CARBONATE ION non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking Fe 3 55.845 FE (III) ION non-polymer 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 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 US Protein Sci. PRCIEI 0795 0961-8368 9 49 52 10739246 Crystal structures of two mutants (K206Q, H207E) of the N-lobe of human transferrin with increased affinity for iron. 2000 10.2210/pdb1d4n/pdb pdb_00001d4n 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293.0 1 IMAGE PLATE RIGAKU RAXIS IIC SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU300 36399.379 TRANSFERRIN N-TERMINAL LOBE H207E 1 man polymer 60.009 CARBONATE ION 1 syn non-polymer 55.845 FE (III) ION 1 syn non-polymer 18.015 water 135 nat water no no DKTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVA EFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCA DGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVKESTIFENLANKADRDQYELLCLDNTRKPVDEYKDCH LAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTA IRNLREGTC DKTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVA EFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCA DGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVKESTIFENLANKADRDQYELLCLDNTRKPVDEYKDCH LAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTA IRNLREGTC 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 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 BLOOD hamsters sample 9606 Homo sapiens 10026 KIDNEY Cricetinae PLASMID PNUT-BHK 1 2.43 49.44 VAPOR DIFFUSION, HANGING DROP 5.75 PEG 4000, SODIUM BICARBONATE, SODIUM CACODYLATE, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2000-03-01 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-11-03 _database_2.pdbx_DOI _database_2.pdbx_database_accession _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_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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RECOMBINANT HUMAN TRANSFERRIN N-LOBE RECOMBINANT HUMAN TRANSFERRIN N-LOBE K206Q MUTANT OF HUMAN SERUM TRANSFERRIN RCSB Y RCSB 1999-10-04 REL REL CO3 CARBONATE ION FE FE (III) ION HOH water CO3 338 2 CO3 CO3 338 A FE 339 3 FE FE 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 344 4 HOH HOH 344 A HOH 345 4 HOH HOH 345 A HOH 346 4 HOH HOH 346 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 400 4 HOH HOH 400 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 415 4 HOH HOH 415 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 421 4 HOH HOH 421 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 438 4 HOH HOH 438 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 446 4 HOH HOH 446 A HOH 447 4 HOH HOH 447 A HOH 448 4 HOH HOH 448 A HOH 449 4 HOH HOH 449 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 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 466 4 HOH HOH 466 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 472 4 HOH HOH 472 A HOH 473 4 HOH HOH 473 A HOH 474 4 HOH HOH 474 A HOH 476 4 HOH HOH 476 A HOH 477 4 HOH HOH 477 A ASP 3 n 1 ASP 3 A LYS 4 n 2 LYS 4 A THR 5 n 3 THR 5 A VAL 6 n 4 VAL 6 A ARG 7 n 5 ARG 7 A TRP 8 n 6 TRP 8 A CYS 9 n 7 CYS 9 A ALA 10 n 8 ALA 10 A VAL 11 n 9 VAL 11 A SER 12 n 10 SER 12 A GLU 13 n 11 GLU 13 A HIS 14 n 12 HIS 14 A GLU 15 n 13 GLU 15 A ALA 16 n 14 ALA 16 A THR 17 n 15 THR 17 A LYS 18 n 16 LYS 18 A CYS 19 n 17 CYS 19 A GLN 20 n 18 GLN 20 A SER 21 n 19 SER 21 A PHE 22 n 20 PHE 22 A ARG 23 n 21 ARG 23 A ASP 24 n 22 ASP 24 A HIS 25 n 23 HIS 25 A MET 26 n 24 MET 26 A LYS 27 n 25 LYS 27 A SER 28 n 26 SER 28 A VAL 29 n 27 VAL 29 A ILE 30 n 28 ILE 30 A PRO 31 n 29 PRO 31 A SER 32 n 30 SER 32 A ASP 33 n 31 ASP 33 A GLY 34 n 32 GLY 34 A PRO 35 n 33 PRO 35 A SER 36 n 34 SER 36 A VAL 37 n 35 VAL 37 A ALA 38 n 36 ALA 38 A CYS 39 n 37 CYS 39 A VAL 40 n 38 VAL 40 A LYS 41 n 39 LYS 41 A LYS 42 n 40 LYS 42 A ALA 43 n 41 ALA 43 A SER 44 n 42 SER 44 A TYR 45 n 43 TYR 45 A LEU 46 n 44 LEU 46 A ASP 47 n 45 ASP 47 A CYS 48 n 46 CYS 48 A ILE 49 n 47 ILE 49 A ARG 50 n 48 ARG 50 A ALA 51 n 49 ALA 51 A ILE 52 n 50 ILE 52 A ALA 53 n 51 ALA 53 A ALA 54 n 52 ALA 54 A ASN 55 n 53 ASN 55 A GLU 56 n 54 GLU 56 A ALA 57 n 55 ALA 57 A ASP 58 n 56 ASP 58 A ALA 59 n 57 ALA 59 A VAL 60 n 58 VAL 60 A THR 61 n 59 THR 61 A LEU 62 n 60 LEU 62 A ASP 63 n 61 ASP 63 A ALA 64 n 62 ALA 64 A GLY 65 n 63 GLY 65 A LEU 66 n 64 LEU 66 A VAL 67 n 65 VAL 67 A TYR 68 n 66 TYR 68 A ASP 69 n 67 ASP 69 A ALA 70 n 68 ALA 70 A TYR 71 n 69 TYR 71 A LEU 72 n 70 LEU 72 A ALA 73 n 71 ALA 73 A PRO 74 n 72 PRO 74 A ASN 75 n 73 ASN 75 A ASN 76 n 74 ASN 76 A LEU 77 n 75 LEU 77 A LYS 78 n 76 LYS 78 A PRO 79 n 77 PRO 79 A VAL 80 n 78 VAL 80 A VAL 81 n 79 VAL 81 A ALA 82 n 80 ALA 82 A GLU 83 n 81 GLU 83 A PHE 84 n 82 PHE 84 A TYR 85 n 83 TYR 85 A GLY 86 n 84 GLY 86 A SER 87 n 85 SER 87 A LYS 88 n 86 LYS 88 A GLU 89 n 87 GLU 89 A ASP 90 n 88 ASP 90 A PRO 91 n 89 PRO 91 A GLN 92 n 90 GLN 92 A THR 93 n 91 THR 93 A PHE 94 n 92 PHE 94 A TYR 95 n 93 TYR 95 A TYR 96 n 94 TYR 96 A ALA 97 n 95 ALA 97 A VAL 98 n 96 VAL 98 A ALA 99 n 97 ALA 99 A VAL 100 n 98 VAL 100 A VAL 101 n 99 VAL 101 A LYS 102 n 100 LYS 102 A LYS 103 n 101 LYS 103 A ASP 104 n 102 ASP 104 A SER 105 n 103 SER 105 A GLY 106 n 104 GLY 106 A PHE 107 n 105 PHE 107 A GLN 108 n 106 GLN 108 A MET 109 n 107 MET 109 A ASN 110 n 108 ASN 110 A GLN 111 n 109 GLN 111 A LEU 112 n 110 LEU 112 A ARG 113 n 111 ARG 113 A GLY 114 n 112 GLY 114 A LYS 115 n 113 LYS 115 A LYS 116 n 114 LYS 116 A SER 117 n 115 SER 117 A CYS 118 n 116 CYS 118 A HIS 119 n 117 HIS 119 A THR 120 n 118 THR 120 A GLY 121 n 119 GLY 121 A LEU 122 n 120 LEU 122 A GLY 123 n 121 GLY 123 A ARG 124 n 122 ARG 124 A SER 125 n 123 SER 125 A ALA 126 n 124 ALA 126 A GLY 127 n 125 GLY 127 A TRP 128 n 126 TRP 128 A ASN 129 n 127 ASN 129 A ILE 130 n 128 ILE 130 A PRO 131 n 129 PRO 131 A ILE 132 n 130 ILE 132 A GLY 133 n 131 GLY 133 A LEU 134 n 132 LEU 134 A LEU 135 n 133 LEU 135 A TYR 136 n 134 TYR 136 A CYS 137 n 135 CYS 137 A ASP 138 n 136 ASP 138 A LEU 139 n 137 LEU 139 A PRO 140 n 138 PRO 140 A GLU 141 n 139 GLU 141 A PRO 142 n 140 PRO 142 A ARG 143 n 141 ARG 143 A LYS 144 n 142 LYS 144 A PRO 145 n 143 PRO 145 A LEU 146 n 144 LEU 146 A GLU 147 n 145 GLU 147 A LYS 148 n 146 LYS 148 A ALA 149 n 147 ALA 149 A VAL 150 n 148 VAL 150 A ALA 151 n 149 ALA 151 A ASN 152 n 150 ASN 152 A PHE 153 n 151 PHE 153 A PHE 154 n 152 PHE 154 A SER 155 n 153 SER 155 A GLY 156 n 154 GLY 156 A SER 157 n 155 SER 157 A CYS 158 n 156 CYS 158 A ALA 159 n 157 ALA 159 A PRO 160 n 158 PRO 160 A CYS 161 n 159 CYS 161 A ALA 162 n 160 ALA 162 A ASP 163 n 161 ASP 163 A GLY 164 n 162 GLY 164 A THR 165 n 163 THR 165 A ASP 166 n 164 ASP 166 A PHE 167 n 165 PHE 167 A PRO 168 n 166 PRO 168 A GLN 169 n 167 GLN 169 A LEU 170 n 168 LEU 170 A CYS 171 n 169 CYS 171 A GLN 172 n 170 GLN 172 A LEU 173 n 171 LEU 173 A CYS 174 n 172 CYS 174 A PRO 175 n 173 PRO 175 A GLY 176 n 174 GLY 176 A CYS 177 n 175 CYS 177 A GLY 178 n 176 GLY 178 A CYS 179 n 177 CYS 179 A SER 180 n 178 SER 180 A THR 181 n 179 THR 181 A LEU 182 n 180 LEU 182 A ASN 183 n 181 ASN 183 A GLN 184 n 182 GLN 184 A TYR 185 n 183 TYR 185 A PHE 186 n 184 PHE 186 A GLY 187 n 185 GLY 187 A TYR 188 n 186 TYR 188 A SER 189 n 187 SER 189 A GLY 190 n 188 GLY 190 A ALA 191 n 189 ALA 191 A PHE 192 n 190 PHE 192 A LYS 193 n 191 LYS 193 A CYS 194 n 192 CYS 194 A LEU 195 n 193 LEU 195 A LYS 196 n 194 LYS 196 A ASP 197 n 195 ASP 197 A GLY 198 n 196 GLY 198 A ALA 199 n 197 ALA 199 A GLY 200 n 198 GLY 200 A ASP 201 n 199 ASP 201 A VAL 202 n 200 VAL 202 A ALA 203 n 201 ALA 203 A PHE 204 n 202 PHE 204 A VAL 205 n 203 VAL 205 A LYS 206 n 204 LYS 206 A GLU 207 n 205 GLU 207 A SER 208 n 206 SER 208 A THR 209 n 207 THR 209 A ILE 210 n 208 ILE 210 A PHE 211 n 209 PHE 211 A GLU 212 n 210 GLU 212 A ASN 213 n 211 ASN 213 A LEU 214 n 212 LEU 214 A ALA 215 n 213 ALA 215 A ASN 216 n 214 ASN 216 A LYS 217 n 215 LYS 217 A ALA 218 n 216 ALA 218 A ASP 219 n 217 ASP 219 A ARG 220 n 218 ARG 220 A ASP 221 n 219 ASP 221 A GLN 222 n 220 GLN 222 A TYR 223 n 221 TYR 223 A GLU 224 n 222 GLU 224 A LEU 225 n 223 LEU 225 A LEU 226 n 224 LEU 226 A CYS 227 n 225 CYS 227 A LEU 228 n 226 LEU 228 A ASP 229 n 227 ASP 229 A ASN 230 n 228 ASN 230 A THR 231 n 229 THR 231 A ARG 232 n 230 ARG 232 A LYS 233 n 231 LYS 233 A PRO 234 n 232 PRO 234 A VAL 235 n 233 VAL 235 A ASP 236 n 234 ASP 236 A GLU 237 n 235 GLU 237 A TYR 238 n 236 TYR 238 A LYS 239 n 237 LYS 239 A ASP 240 n 238 ASP 240 A CYS 241 n 239 CYS 241 A HIS 242 n 240 HIS 242 A LEU 243 n 241 LEU 243 A ALA 244 n 242 ALA 244 A GLN 245 n 243 GLN 245 A VAL 246 n 244 VAL 246 A PRO 247 n 245 PRO 247 A SER 248 n 246 SER 248 A HIS 249 n 247 HIS 249 A THR 250 n 248 THR 250 A VAL 251 n 249 VAL 251 A VAL 252 n 250 VAL 252 A ALA 253 n 251 ALA 253 A ARG 254 n 252 ARG 254 A SER 255 n 253 SER 255 A MET 256 n 254 MET 256 A GLY 257 n 255 GLY 257 A GLY 258 n 256 GLY 258 A LYS 259 n 257 LYS 259 A GLU 260 n 258 GLU 260 A ASP 261 n 259 ASP 261 A LEU 262 n 260 LEU 262 A ILE 263 n 261 ILE 263 A TRP 264 n 262 TRP 264 A GLU 265 n 263 GLU 265 A LEU 266 n 264 LEU 266 A LEU 267 n 265 LEU 267 A ASN 268 n 266 ASN 268 A GLN 269 n 267 GLN 269 A ALA 270 n 268 ALA 270 A GLN 271 n 269 GLN 271 A GLU 272 n 270 GLU 272 A HIS 273 n 271 HIS 273 A PHE 274 n 272 PHE 274 A GLY 275 n 273 GLY 275 A LYS 276 n 274 LYS 276 A ASP 277 n 275 ASP 277 A LYS 278 n 276 LYS 278 A SER 279 n 277 SER 279 A LYS 280 n 278 LYS 280 A GLU 281 n 279 GLU 281 A PHE 282 n 280 PHE 282 A GLN 283 n 281 GLN 283 A LEU 284 n 282 LEU 284 A PHE 285 n 283 PHE 285 A SER 286 n 284 SER 286 A SER 287 n 285 SER 287 A PRO 288 n 286 PRO 288 A HIS 289 n 287 HIS 289 A GLY 290 n 288 GLY 290 A LYS 291 n 289 LYS 291 A ASP 292 n 290 ASP 292 A LEU 293 n 291 LEU 293 A LEU 294 n 292 LEU 294 A PHE 295 n 293 PHE 295 A LYS 296 n 294 LYS 296 A ASP 297 n 295 ASP 297 A SER 298 n 296 SER 298 A ALA 299 n 297 ALA 299 A HIS 300 n 298 HIS 300 A GLY 301 n 299 GLY 301 A PHE 302 n 300 PHE 302 A LEU 303 n 301 LEU 303 A LYS 304 n 302 LYS 304 A VAL 305 n 303 VAL 305 A PRO 306 n 304 PRO 306 A PRO 307 n 305 PRO 307 A ARG 308 n 306 ARG 308 A MET 309 n 307 MET 309 A ASP 310 n 308 ASP 310 A ALA 311 n 309 ALA 311 A LYS 312 n 310 LYS 312 A MET 313 n 311 MET 313 A TYR 314 n 312 TYR 314 A LEU 315 n 313 LEU 315 A GLY 316 n 314 GLY 316 A TYR 317 n 315 TYR 317 A GLU 318 n 316 GLU 318 A TYR 319 n 317 TYR 319 A VAL 320 n 318 VAL 320 A THR 321 n 319 THR 321 A ALA 322 n 320 ALA 322 A ILE 323 n 321 ILE 323 A ARG 324 n 322 ARG 324 A ASN 325 n 323 ASN 325 A LEU 326 n 324 LEU 326 A ARG 327 n 325 ARG 327 A GLU 328 n 326 GLU 328 A GLY 329 n 327 GLY 329 A THR 330 n 328 THR 330 A CYS 331 n 329 CYS 331 A author_defined_assembly 1 monomeric A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 A TYR 95 A OH TYR 93 1_555 85.0 A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 A TYR 188 A OH TYR 186 1_555 173.6 A TYR 95 A OH TYR 93 1_555 A FE 339 C FE FE 1_555 A TYR 188 A OH TYR 186 1_555 94.1 A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 A HIS 249 A NE2 HIS 247 1_555 92.9 A TYR 95 A OH TYR 93 1_555 A FE 339 C FE FE 1_555 A HIS 249 A NE2 HIS 247 1_555 95.2 A TYR 188 A OH TYR 186 1_555 A FE 339 C FE FE 1_555 A HIS 249 A NE2 HIS 247 1_555 93.5 A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O1 CO3 1_555 79.2 A TYR 95 A OH TYR 93 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O1 CO3 1_555 98.0 A TYR 188 A OH TYR 186 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O1 CO3 1_555 94.7 A HIS 249 A NE2 HIS 247 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O1 CO3 1_555 164.0 A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O2 CO3 1_555 86.1 A TYR 95 A OH TYR 93 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O2 CO3 1_555 152.0 A TYR 188 A OH TYR 186 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O2 CO3 1_555 91.9 A HIS 249 A NE2 HIS 247 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O2 CO3 1_555 111.8 A CO3 338 B O1 CO3 1_555 A FE 339 C FE FE 1_555 A CO3 338 B O2 CO3 1_555 54.2 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 6 A N VAL 4 A O SER 36 A O SER 34 A N LEU 62 A N LEU 60 A O THR 250 A O THR 248 A O ALA 253 A O ALA 251 A N LYS 78 A N LYS 76 A N PHE 84 A N PHE 82 A O GLY 301 A O GLY 299 A N CYS 158 A N CYS 156 A O SER 117 A O SER 115 A N CYS 118 A N CYS 116 A O VAL 202 A O VAL 200 A O VAL 205 A O VAL 203 A N VAL 98 A N VAL 96 A N VAL 101 A N VAL 99 A O GLU 224 A O GLU 222 A N LEU 225 A N LEU 223 A O LYS 233 A O LYS 231 A N CYS 158 A N CYS 156 A O SER 117 A O SER 115 A N CYS 118 A N CYS 116 A O VAL 202 A O VAL 200 A O VAL 205 A O VAL 203 A N VAL 98 A N VAL 96 A N ALA 97 A N ALA 95 A O ALA 244 A O ALA 242 1 A LYS 4 110.55 160.21 1 A SER 12 76.87 -178.44 1 A SER 125 -52.36 -70.98 1 A TRP 128 -140.78 -67.04 1 A CYS 161 83.91 -7.71 1 A CYS 174 -150.33 79.32 1 A CYS 179 -99.55 47.98 1 A GLU 237 -95.20 33.11 1 A CYS 241 -157.09 73.45 1 A ALA 244 178.26 162.22 1 A SER 287 -170.31 146.16 1 A LEU 294 72.69 -42.16 1 A GLU 328 -99.73 -71.87 0.218 0.179 0.179 2.00 32.00 1579 21385 RANDOM 1 2.000 2.00 32.00 135 2690 5 0 2550 0.009 1.34 20.80 2.000 32.000 1D4N 21745 0.000 0.043 1 20.1000 2.900 88.0 0.13 2.00 2.07 2.60 89.0 data reduction DENZO data scaling SCALEPACK refinement XTALVIEW refinement X-PLOR 3.851 HUMAN SERUM TRANSFERRIN 1 N N 2 N N 3 N N 4 N N A SER 12 A SER 10 HELX_P A ILE 30 A ILE 28 1 1 19 A SER 44 A SER 42 HELX_P A ALA 54 A ALA 52 1 2 11 A ASP 63 A ASP 61 HELX_P A LEU 72 A LEU 70 1 3 10 A GLN 108 A GLN 106 HELX_P A LEU 112 A LEU 110 5 4 5 A TRP 128 A TRP 126 HELX_P A TYR 136 A TYR 134 1 5 9 A PRO 145 A PRO 143 HELX_P A PHE 154 A PHE 152 1 6 10 A PHE 167 A PHE 165 HELX_P A GLN 172 A GLN 170 5 7 6 A PHE 186 A PHE 184 HELX_P A ASP 197 A ASP 195 1 8 12 A SER 208 A SER 206 HELX_P A LEU 214 A LEU 212 1 9 7 A ASN 216 A ASN 214 HELX_P A ASP 221 A ASP 219 1 10 6 A ASP 236 A ASP 234 HELX_P A CYS 241 A CYS 239 5 11 6 A LYS 259 A LYS 257 HELX_P A GLY 275 A GLY 273 1 12 17 A ASP 310 A ASP 308 HELX_P A GLY 316 A GLY 314 1 13 7 A GLY 316 A GLY 314 HELX_P A GLU 328 A GLU 326 1 14 13 disulf 2.035 A CYS 9 A SG CYS 7 1_555 A CYS 48 A SG CYS 46 1_555 disulf 2.035 A CYS 19 A SG CYS 17 1_555 A CYS 39 A SG CYS 37 1_555 disulf 2.039 A CYS 118 A SG CYS 116 1_555 A CYS 194 A SG CYS 192 1_555 disulf 2.031 A CYS 137 A SG CYS 135 1_555 A CYS 331 A SG CYS 329 1_555 disulf 2.031 A CYS 158 A SG CYS 156 1_555 A CYS 174 A SG CYS 172 1_555 disulf 2.036 A CYS 161 A SG CYS 159 1_555 A CYS 179 A SG CYS 177 1_555 disulf 2.034 A CYS 171 A SG CYS 169 1_555 A CYS 177 A SG CYS 175 1_555 disulf 2.035 A CYS 227 A SG CYS 225 1_555 A CYS 241 A SG CYS 239 1_555 metalc 2.388 A ASP 63 A OD1 ASP 61 1_555 A FE 339 C FE FE 1_555 metalc 2.093 A TYR 95 A OH TYR 93 1_555 A FE 339 C FE FE 1_555 metalc 2.002 A TYR 188 A OH TYR 186 1_555 A FE 339 C FE FE 1_555 metalc 2.171 A HIS 249 A NE2 HIS 247 1_555 A FE 339 C FE FE 1_555 metalc 2.127 A CO3 338 B O1 CO3 1_555 A FE 339 C FE FE 1_555 metalc 2.598 A CO3 338 B O2 CO3 1_555 A FE 339 C FE FE 1_555 METAL TRANSPORT IRON TRANSPORT, GLYCOPROTEIN, TRANSFERRIN, N-LOBE, IRON-RELEASE, CARBONATE, METAL TRANSPORT A ALA 73 A ALA 71 1 A PRO 74 A PRO 72 0.48 A GLU 141 A GLU 139 1 A PRO 142 A PRO 140 0.12 A LYS 144 A LYS 142 1 A PRO 145 A PRO 143 -0.17 TRFE_HUMAN UNP 1 P02787 22 350 1D4N 3 331 P02787 A 1 1 329 1 HIS engineered mutation GLU 207 1D4N A P02787 UNP 226 205 2 4 6 5 parallel anti-parallel anti-parallel anti-parallel parallel parallel anti-parallel anti-parallel anti-parallel parallel parallel anti-parallel anti-parallel A LYS 4 A LYS 2 A VAL 11 A VAL 9 A PRO 35 A PRO 33 A LYS 42 A LYS 40 A VAL 60 A VAL 58 A LEU 62 A LEU 60 A THR 250 A THR 248 A ALA 253 A ALA 251 A LYS 78 A LYS 76 A PHE 84 A PHE 82 A GLY 301 A GLY 299 A LYS 304 A LYS 302 A SER 157 A SER 155 A CYS 158 A CYS 156 A SER 117 A SER 115 A HIS 119 A HIS 117 A VAL 202 A VAL 200 A LYS 206 A LYS 204 A PHE 94 A PHE 92 A LYS 102 A LYS 100 A TYR 223 A TYR 221 A LEU 226 A LEU 224 A ARG 232 A ARG 230 A PRO 234 A PRO 232 A SER 157 A SER 155 A CYS 158 A CYS 156 A SER 117 A SER 115 A HIS 119 A HIS 117 A VAL 202 A VAL 200 A LYS 206 A LYS 204 A PHE 94 A PHE 92 A LYS 102 A LYS 100 A ALA 244 A ALA 242 A PRO 247 A PRO 245 BINDING SITE FOR RESIDUE CO3 A 338 A CO3 338 Software 8 BINDING SITE FOR RESIDUE FE A 339 A FE 339 Software 5 A ASP 63 A ASP 61 8 1_555 A TYR 95 A TYR 93 8 1_555 A THR 120 A THR 118 8 1_555 A ARG 124 A ARG 122 8 1_555 A ALA 126 A ALA 124 8 1_555 A GLY 127 A GLY 125 8 1_555 A TYR 188 A TYR 186 8 1_555 A FE 339 C FE 8 1_555 A ASP 63 A ASP 61 5 1_555 A TYR 95 A TYR 93 5 1_555 A TYR 188 A TYR 186 5 1_555 A HIS 249 A HIS 247 5 1_555 A CO3 338 B CO3 5 1_555 19 P 21 21 21