0.017123 0.000000 0.000000 0.000000 0.017123 0.000000 0.000000 0.000000 0.004589 0.00000 0.00000 0.00000 Nicholson, H. Anderson, B.F. Baker, E.N. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 58.400 58.400 217.900 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 Biochemistry BICHAW 0033 0006-2960 36 341 346 10.1021/bi961908y 9003186 Mutagenesis of the histidine ligand in human lactoferrin: iron binding properties and crystal structure of the histidine-253-->methionine mutant. 1997 UK J.Mol.Biol. JMOBAK 0070 0022-2836 232 1084 Structure of the Recombinant N-Terminal Lobe of Human Lactoferrin at 2.0 A Resolution 1993 US J.Biol.Chem. JBCHA3 0071 0021-9258 267 13857 Studies of the N-Terminal Half of Human Lactoferrin Produced from the Cloned Cdna Demonstrate that Interlobe Interactions Modulate Iron Release 1992 10.2210/pdb1hse/pdb pdb_00001hse 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 IMAGE PLATE RIGAKU M x-ray 1 1.5418 1.0 1.5418 37201.305 LACTOFERRIN N-TERMINAL HALF-MOLECULE H253M 1 man polymer 55.845 FE (III) ION 1 syn non-polymer 60.009 CARBONATE ION 1 syn non-polymer 18.015 water 113 nat water H253M NLF no no RRRRSVQWCAVSQPEATKCFQWQRNMRRVRGPPVSCIKRDSPIQCIQAIAENRADAVTLDGGFIYEAGLAPYKLRPVAAE VYGTERQPRTHYYAVAVVKKGGSFQLNELQGLKSCHTGLRRTAGWNVPIGTLRPFLNWTGPPEPIEAAVARFFSASCVPG ADKGQFPNLCRLCAGTGENKCAFSSQEPYFSYSGAFKCLRDGAGDVAFIRESTVFEDLSDEAERDEYELLCPDNTRKPVD KFKDCHLARVPSMAVVARSVNGKEDAIWNLLRQAQEKFGKDKSPKFQLFGSPSGQKDLLFKDSAIGFSRVPPRIDSGLYL GSGYFTAIQNLRKS RRRRSVQWCAVSQPEATKCFQWQRNMRRVRGPPVSCIKRDSPIQCIQAIAENRADAVTLDGGFIYEAGLAPYKLRPVAAE VYGTERQPRTHYYAVAVVKKGGSFQLNELQGLKSCHTGLRRTAGWNVPIGTLRPFLNWTGPPEPIEAAVARFFSASCVPG ADKGQFPNLCRLCAGTGENKCAFSSQEPYFSYSGAFKCLRDGAGDVAFIRESTVFEDLSDEAERDEYELLCPDNTRKPVD KFKDCHLARVPSMAVVARSVNGKEDAIWNLLRQAQEKFGKDKSPKFQLFGSPSGQKDLLFKDSAIGFSRVPPRIDSGLYL GSGYFTAIQNLRKS 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 n n n n n human Homo hamsters sample 293 LFN 9606 Homo sapiens LFN 10026 Cricetinae 293 PNUT;LFN 2.29 46.0 database_2 pdbx_database_status struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1997-03-12 1 1 2008-03-24 1 2 2011-07-13 1 3 2021-11-03 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Y BNL 1996-12-11 REL REL FE FE (III) ION CO3 CARBONATE ION HOH water FE 400 2 FE FE 400 A CO3 401 3 CO3 CO3 401 A HOH 501 4 HOH HOH 501 A HOH 502 4 HOH HOH 502 A HOH 503 4 HOH HOH 503 A HOH 504 4 HOH HOH 504 A HOH 505 4 HOH HOH 505 A HOH 506 4 HOH HOH 506 A HOH 507 4 HOH HOH 507 A HOH 508 4 HOH HOH 508 A HOH 509 4 HOH HOH 509 A HOH 510 4 HOH HOH 510 A HOH 511 4 HOH HOH 511 A HOH 512 4 HOH HOH 512 A HOH 513 4 HOH HOH 513 A HOH 514 4 HOH HOH 514 A HOH 515 4 HOH HOH 515 A HOH 516 4 HOH HOH 516 A HOH 517 4 HOH HOH 517 A HOH 518 4 HOH HOH 518 A HOH 519 4 HOH HOH 519 A HOH 520 4 HOH HOH 520 A HOH 522 4 HOH HOH 522 A HOH 523 4 HOH HOH 523 A HOH 524 4 HOH HOH 524 A HOH 526 4 HOH HOH 526 A HOH 527 4 HOH HOH 527 A HOH 528 4 HOH HOH 528 A HOH 529 4 HOH HOH 529 A HOH 530 4 HOH HOH 530 A HOH 531 4 HOH HOH 531 A HOH 532 4 HOH HOH 532 A HOH 534 4 HOH HOH 534 A HOH 535 4 HOH HOH 535 A HOH 536 4 HOH HOH 536 A HOH 537 4 HOH HOH 537 A HOH 538 4 HOH HOH 538 A HOH 539 4 HOH HOH 539 A HOH 540 4 HOH HOH 540 A HOH 541 4 HOH HOH 541 A HOH 542 4 HOH HOH 542 A HOH 543 4 HOH HOH 543 A HOH 544 4 HOH HOH 544 A HOH 545 4 HOH HOH 545 A HOH 546 4 HOH HOH 546 A HOH 548 4 HOH HOH 548 A HOH 549 4 HOH HOH 549 A HOH 550 4 HOH HOH 550 A HOH 551 4 HOH HOH 551 A HOH 552 4 HOH HOH 552 A HOH 554 4 HOH HOH 554 A HOH 555 4 HOH HOH 555 A HOH 556 4 HOH HOH 556 A HOH 557 4 HOH HOH 557 A HOH 559 4 HOH HOH 559 A HOH 560 4 HOH HOH 560 A HOH 561 4 HOH HOH 561 A HOH 563 4 HOH HOH 563 A HOH 564 4 HOH HOH 564 A HOH 565 4 HOH HOH 565 A HOH 567 4 HOH HOH 567 A HOH 569 4 HOH HOH 569 A HOH 570 4 HOH HOH 570 A HOH 571 4 HOH HOH 571 A HOH 572 4 HOH HOH 572 A HOH 575 4 HOH HOH 575 A HOH 576 4 HOH HOH 576 A HOH 577 4 HOH HOH 577 A HOH 578 4 HOH HOH 578 A HOH 579 4 HOH HOH 579 A HOH 582 4 HOH HOH 582 A HOH 583 4 HOH HOH 583 A HOH 585 4 HOH HOH 585 A HOH 586 4 HOH HOH 586 A HOH 587 4 HOH HOH 587 A HOH 589 4 HOH HOH 589 A HOH 590 4 HOH HOH 590 A HOH 592 4 HOH HOH 592 A HOH 593 4 HOH HOH 593 A HOH 594 4 HOH HOH 594 A HOH 595 4 HOH HOH 595 A HOH 596 4 HOH HOH 596 A HOH 597 4 HOH HOH 597 A HOH 599 4 HOH HOH 599 A HOH 600 4 HOH HOH 600 A HOH 601 4 HOH HOH 601 A HOH 602 4 HOH HOH 602 A HOH 603 4 HOH HOH 603 A HOH 605 4 HOH HOH 605 A HOH 606 4 HOH HOH 606 A HOH 607 4 HOH HOH 607 A HOH 608 4 HOH HOH 608 A HOH 609 4 HOH HOH 609 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 615 4 HOH HOH 615 A HOH 616 4 HOH HOH 616 A HOH 617 4 HOH HOH 617 A HOH 618 4 HOH HOH 618 A HOH 619 4 HOH HOH 619 A HOH 620 4 HOH HOH 620 A HOH 621 4 HOH HOH 621 A HOH 622 4 HOH HOH 622 A HOH 623 4 HOH HOH 623 A HOH 624 4 HOH HOH 624 A HOH 625 4 HOH HOH 625 A HOH 626 4 HOH HOH 626 A HOH 627 4 HOH HOH 627 A HOH 628 4 HOH HOH 628 A HOH 629 4 HOH HOH 629 A HOH 630 4 HOH HOH 630 A HOH 631 4 HOH HOH 631 A n 1 1 A n 2 2 A n 3 3 A ARG 4 n 4 ARG 4 A SER 5 n 5 SER 5 A VAL 6 n 6 VAL 6 A GLN 7 n 7 GLN 7 A TRP 8 n 8 TRP 8 A CYS 9 n 9 CYS 9 A ALA 10 n 10 ALA 10 A VAL 11 n 11 VAL 11 A SER 12 n 12 SER 12 A GLN 13 n 13 GLN 13 A PRO 14 n 14 PRO 14 A GLU 15 n 15 GLU 15 A ALA 16 n 16 ALA 16 A THR 17 n 17 THR 17 A LYS 18 n 18 LYS 18 A CYS 19 n 19 CYS 19 A PHE 20 n 20 PHE 20 A GLN 21 n 21 GLN 21 A TRP 22 n 22 TRP 22 A GLN 23 n 23 GLN 23 A ARG 24 n 24 ARG 24 A ASN 25 n 25 ASN 25 A MET 26 n 26 MET 26 A ARG 27 n 27 ARG 27 A ARG 28 n 28 ARG 28 A VAL 29 n 29 VAL 29 A ARG 30 n 30 ARG 30 A GLY 31 n 31 GLY 31 A PRO 32 n 32 PRO 32 A PRO 33 n 33 PRO 33 A VAL 34 n 34 VAL 34 A SER 35 n 35 SER 35 A CYS 36 n 36 CYS 36 A ILE 37 n 37 ILE 37 A LYS 38 n 38 LYS 38 A ARG 39 n 39 ARG 39 A ASP 40 n 40 ASP 40 A SER 41 n 41 SER 41 A PRO 42 n 42 PRO 42 A ILE 43 n 43 ILE 43 A GLN 44 n 44 GLN 44 A CYS 45 n 45 CYS 45 A ILE 46 n 46 ILE 46 A GLN 47 n 47 GLN 47 A ALA 48 n 48 ALA 48 A ILE 49 n 49 ILE 49 A ALA 50 n 50 ALA 50 A GLU 51 n 51 GLU 51 A ASN 52 n 52 ASN 52 A ARG 53 n 53 ARG 53 A ALA 54 n 54 ALA 54 A ASP 55 n 55 ASP 55 A ALA 56 n 56 ALA 56 A VAL 57 n 57 VAL 57 A THR 58 n 58 THR 58 A LEU 59 n 59 LEU 59 A ASP 60 n 60 ASP 60 A GLY 61 n 61 GLY 61 A GLY 62 n 62 GLY 62 A PHE 63 n 63 PHE 63 A ILE 64 n 64 ILE 64 A TYR 65 n 65 TYR 65 A GLU 66 n 66 GLU 66 A ALA 67 n 67 ALA 67 A GLY 68 n 68 GLY 68 A LEU 69 n 69 LEU 69 A ALA 70 n 70 ALA 70 A PRO 71 n 71 PRO 71 A TYR 72 n 72 TYR 72 A LYS 73 n 73 LYS 73 A LEU 74 n 74 LEU 74 A ARG 75 n 75 ARG 75 A PRO 76 n 76 PRO 76 A VAL 77 n 77 VAL 77 A ALA 78 n 78 ALA 78 A ALA 79 n 79 ALA 79 A GLU 80 n 80 GLU 80 A VAL 81 n 81 VAL 81 A TYR 82 n 82 TYR 82 A GLY 83 n 83 GLY 83 A THR 84 n 84 THR 84 A GLU 85 n 85 GLU 85 A ARG 86 n 86 ARG 86 A GLN 87 n 87 GLN 87 A PRO 88 n 88 PRO 88 A ARG 89 n 89 ARG 89 A THR 90 n 90 THR 90 A HIS 91 n 91 HIS 91 A TYR 92 n 92 TYR 92 A TYR 93 n 93 TYR 93 A ALA 94 n 94 ALA 94 A VAL 95 n 95 VAL 95 A ALA 96 n 96 ALA 96 A VAL 97 n 97 VAL 97 A VAL 98 n 98 VAL 98 A LYS 99 n 99 LYS 99 A LYS 100 n 100 LYS 100 A GLY 101 n 101 GLY 101 A GLY 102 n 102 GLY 102 A SER 103 n 103 SER 103 A PHE 104 n 104 PHE 104 A GLN 105 n 105 GLN 105 A LEU 106 n 106 LEU 106 A ASN 107 n 107 ASN 107 A GLU 108 n 108 GLU 108 A LEU 109 n 109 LEU 109 A GLN 110 n 110 GLN 110 A GLY 111 n 111 GLY 111 A LEU 112 n 112 LEU 112 A LYS 113 n 113 LYS 113 A SER 114 n 114 SER 114 A CYS 115 n 115 CYS 115 A HIS 116 n 116 HIS 116 A THR 117 n 117 THR 117 A GLY 118 n 118 GLY 118 A LEU 119 n 119 LEU 119 A ARG 120 n 120 ARG 120 A ARG 121 n 121 ARG 121 A THR 122 n 122 THR 122 A ALA 123 n 123 ALA 123 A GLY 124 n 124 GLY 124 A TRP 125 n 125 TRP 125 A ASN 126 n 126 ASN 126 A VAL 127 n 127 VAL 127 A PRO 128 n 128 PRO 128 A ILE 129 n 129 ILE 129 A GLY 130 n 130 GLY 130 A THR 131 n 131 THR 131 A LEU 132 n 132 LEU 132 A ARG 133 n 133 ARG 133 A PRO 134 n 134 PRO 134 A PHE 135 n 135 PHE 135 A LEU 136 n 136 LEU 136 A ASN 137 n 137 ASN 137 A TRP 138 n 138 TRP 138 A THR 139 n 139 THR 139 A GLY 140 n 140 GLY 140 A PRO 141 n 141 PRO 141 A PRO 142 n 142 PRO 142 A GLU 143 n 143 GLU 143 A PRO 144 n 144 PRO 144 A ILE 145 n 145 ILE 145 A GLU 146 n 146 GLU 146 A ALA 147 n 147 ALA 147 A ALA 148 n 148 ALA 148 A VAL 149 n 149 VAL 149 A ALA 150 n 150 ALA 150 A ARG 151 n 151 ARG 151 A PHE 152 n 152 PHE 152 A PHE 153 n 153 PHE 153 A SER 154 n 154 SER 154 A ALA 155 n 155 ALA 155 A SER 156 n 156 SER 156 A CYS 157 n 157 CYS 157 A VAL 158 n 158 VAL 158 A PRO 159 n 159 PRO 159 A GLY 160 n 160 GLY 160 A ALA 161 n 161 ALA 161 A ASP 162 n 162 ASP 162 A LYS 163 n 163 LYS 163 A GLY 164 n 164 GLY 164 A GLN 165 n 165 GLN 165 A PHE 166 n 166 PHE 166 A PRO 167 n 167 PRO 167 A ASN 168 n 168 ASN 168 A LEU 169 n 169 LEU 169 A CYS 170 n 170 CYS 170 A ARG 171 n 171 ARG 171 A LEU 172 n 172 LEU 172 A CYS 173 n 173 CYS 173 A ALA 174 n 174 ALA 174 A GLY 175 n 175 GLY 175 A THR 176 n 176 THR 176 A GLY 177 n 177 GLY 177 A GLU 178 n 178 GLU 178 A ASN 179 n 179 ASN 179 A LYS 180 n 180 LYS 180 A CYS 181 n 181 CYS 181 A ALA 182 n 182 ALA 182 A PHE 183 n 183 PHE 183 A SER 184 n 184 SER 184 A SER 185 n 185 SER 185 A GLN 186 n 186 GLN 186 A GLU 187 n 187 GLU 187 A PRO 188 n 188 PRO 188 A TYR 189 n 189 TYR 189 A PHE 190 n 190 PHE 190 A SER 191 n 191 SER 191 A TYR 192 n 192 TYR 192 A SER 193 n 193 SER 193 A GLY 194 n 194 GLY 194 A ALA 195 n 195 ALA 195 A PHE 196 n 196 PHE 196 A LYS 197 n 197 LYS 197 A CYS 198 n 198 CYS 198 A LEU 199 n 199 LEU 199 A ARG 200 n 200 ARG 200 A ASP 201 n 201 ASP 201 A GLY 202 n 202 GLY 202 A ALA 203 n 203 ALA 203 A GLY 204 n 204 GLY 204 A ASP 205 n 205 ASP 205 A VAL 206 n 206 VAL 206 A ALA 207 n 207 ALA 207 A PHE 208 n 208 PHE 208 A ILE 209 n 209 ILE 209 A ARG 210 n 210 ARG 210 A GLU 211 n 211 GLU 211 A SER 212 n 212 SER 212 A THR 213 n 213 THR 213 A VAL 214 n 214 VAL 214 A PHE 215 n 215 PHE 215 A GLU 216 n 216 GLU 216 A ASP 217 n 217 ASP 217 A LEU 218 n 218 LEU 218 A SER 219 n 219 SER 219 A ASP 220 n 220 ASP 220 A GLU 221 n 221 GLU 221 A ALA 222 n 222 ALA 222 A GLU 223 n 223 GLU 223 A ARG 224 n 224 ARG 224 A ASP 225 n 225 ASP 225 A GLU 226 n 226 GLU 226 A TYR 227 n 227 TYR 227 A GLU 228 n 228 GLU 228 A LEU 229 n 229 LEU 229 A LEU 230 n 230 LEU 230 A CYS 231 n 231 CYS 231 A PRO 232 n 232 PRO 232 A ASP 233 n 233 ASP 233 A ASN 234 n 234 ASN 234 A THR 235 n 235 THR 235 A ARG 236 n 236 ARG 236 A LYS 237 n 237 LYS 237 A PRO 238 n 238 PRO 238 A VAL 239 n 239 VAL 239 A ASP 240 n 240 ASP 240 A LYS 241 n 241 LYS 241 A PHE 242 n 242 PHE 242 A LYS 243 n 243 LYS 243 A ASP 244 n 244 ASP 244 A CYS 245 n 245 CYS 245 A HIS 246 n 246 HIS 246 A LEU 247 n 247 LEU 247 A ALA 248 n 248 ALA 248 A ARG 249 n 249 ARG 249 A VAL 250 n 250 VAL 250 A PRO 251 n 251 PRO 251 A SER 252 n 252 SER 252 A MET 253 n 253 MET 253 A ALA 254 n 254 ALA 254 A VAL 255 n 255 VAL 255 A VAL 256 n 256 VAL 256 A ALA 257 n 257 ALA 257 A ARG 258 n 258 ARG 258 A SER 259 n 259 SER 259 A VAL 260 n 260 VAL 260 A ASN 261 n 261 ASN 261 A GLY 262 n 262 GLY 262 A LYS 263 n 263 LYS 263 A GLU 264 n 264 GLU 264 A ASP 265 n 265 ASP 265 A ALA 266 n 266 ALA 266 A ILE 267 n 267 ILE 267 A TRP 268 n 268 TRP 268 A ASN 269 n 269 ASN 269 A LEU 270 n 270 LEU 270 A LEU 271 n 271 LEU 271 A ARG 272 n 272 ARG 272 A GLN 273 n 273 GLN 273 A ALA 274 n 274 ALA 274 A GLN 275 n 275 GLN 275 A GLU 276 n 276 GLU 276 A LYS 277 n 277 LYS 277 A PHE 278 n 278 PHE 278 A GLY 279 n 279 GLY 279 A LYS 280 n 280 LYS 280 A ASP 281 n 281 ASP 281 A LYS 282 n 282 LYS 282 A SER 283 n 283 SER 283 A PRO 284 n 284 PRO 284 A LYS 285 n 285 LYS 285 A PHE 286 n 286 PHE 286 A GLN 287 n 287 GLN 287 A LEU 288 n 288 LEU 288 A PHE 289 n 289 PHE 289 A GLY 290 n 290 GLY 290 A SER 291 n 291 SER 291 A PRO 292 n 292 PRO 292 A SER 293 n 293 SER 293 A GLY 294 n 294 GLY 294 A GLN 295 n 295 GLN 295 A LYS 296 n 296 LYS 296 A ASP 297 n 297 ASP 297 A LEU 298 n 298 LEU 298 A LEU 299 n 299 LEU 299 A PHE 300 n 300 PHE 300 A LYS 301 n 301 LYS 301 A ASP 302 n 302 ASP 302 A SER 303 n 303 SER 303 A ALA 304 n 304 ALA 304 A ILE 305 n 305 ILE 305 A GLY 306 n 306 GLY 306 A PHE 307 n 307 PHE 307 A SER 308 n 308 SER 308 A ARG 309 n 309 ARG 309 A VAL 310 n 310 VAL 310 A PRO 311 n 311 PRO 311 A PRO 312 n 312 PRO 312 A ARG 313 n 313 ARG 313 A ILE 314 n 314 ILE 314 A ASP 315 n 315 ASP 315 A SER 316 n 316 SER 316 A GLY 317 n 317 GLY 317 A LEU 318 n 318 LEU 318 A TYR 319 n 319 TYR 319 A LEU 320 n 320 LEU 320 A n 321 321 A n 322 322 A n 323 323 A n 324 324 A n 325 325 A n 326 326 A n 327 327 A n 328 328 A n 329 329 A n 330 330 A n 331 331 A n 332 332 A n 333 333 A n 334 334 A 0.178 author_defined_assembly 1 monomeric A ASP 60 A OD1 ASP 60 1_555 A FE 400 B FE FE 1_555 A TYR 92 A OH TYR 92 1_555 90.8 A ASP 60 A OD1 ASP 60 1_555 A FE 400 B FE FE 1_555 A TYR 192 A OH TYR 192 1_555 147.2 A TYR 92 A OH TYR 92 1_555 A FE 400 B FE FE 1_555 A TYR 192 A OH TYR 192 1_555 85.0 A ASP 60 A OD1 ASP 60 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O1 CO3 1_555 100.4 A TYR 92 A OH TYR 92 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O1 CO3 1_555 159.4 A TYR 192 A OH TYR 192 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O1 CO3 1_555 94.4 A ASP 60 A OD1 ASP 60 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O2 CO3 1_555 105.7 A TYR 92 A OH TYR 92 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O2 CO3 1_555 98.6 A TYR 192 A OH TYR 192 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O2 CO3 1_555 107.0 A CO3 401 C O1 CO3 1_555 A FE 400 B FE FE 1_555 A CO3 401 C O2 CO3 1_555 61.9 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 VAL 6 A O VAL 6 A N SER 35 A N SER 35 A O VAL 57 A O VAL 57 A N VAL 256 A N VAL 256 A O VAL 255 A O VAL 255 A N ALA 78 A N ALA 78 A O ALA 79 A O ALA 79 A N SER 308 A N SER 308 A O ALA 248 A O ALA 248 A N ALA 94 A N ALA 94 A O VAL 95 A O VAL 95 A N ILE 209 A N ILE 209 A O VAL 206 A O VAL 206 A N CYS 115 A N CYS 115 A O SER 114 A O SER 114 A N ALA 155 A N ALA 155 A O VAL 98 A O VAL 98 A N GLU 228 A N GLU 228 A O LEU 229 A O LEU 229 A N LYS 237 A N LYS 237 1 A ARG 1 A ARG 1 1 Y 1 A ARG 2 A ARG 2 1 Y 1 A ARG 3 A ARG 3 1 Y 1 A GLY 321 A GLY 321 1 Y 1 A SER 322 A SER 322 1 Y 1 A GLY 323 A GLY 323 1 Y 1 A TYR 324 A TYR 324 1 Y 1 A PHE 325 A PHE 325 1 Y 1 A THR 326 A THR 326 1 Y 1 A ALA 327 A ALA 327 1 Y 1 A ILE 328 A ILE 328 1 Y 1 A GLN 329 A GLN 329 1 Y 1 A ASN 330 A ASN 330 1 Y 1 A LEU 331 A LEU 331 1 Y 1 A ARG 332 A ARG 332 1 Y 1 A LYS 333 A LYS 333 1 Y 1 A SER 334 A SER 334 1 Y 1 -15.14 2.10 128.40 113.26 A A A C N CD SER PRO PRO 41 42 42 Y 1 3.41 0.50 120.30 123.71 A A A NE CZ NH2 ARG ARG ARG 171 171 171 N 1 13.29 1.90 113.40 126.69 A A A CA CB CG TYR TYR TYR 192 192 192 N 1 7.63 1.10 114.20 121.83 A A A CA CB SG CYS CYS CYS 198 198 198 N 1 A A O O HOH HOH 513 515 2.09 1_555 1_545 1 A A O O HOH HOH 540 551 2.16 1_555 7_545 1 A ASN 52 57.99 19.56 1 A THR 90 -109.28 43.85 1 A TRP 125 -139.89 -65.95 1 A SER 191 72.73 -168.03 1 A ILE 209 -143.48 -157.33 1 A SER 252 -59.12 177.14 1 A PHE 289 -104.23 63.45 1 A SER 293 11.13 -86.71 1 A LEU 299 77.74 -49.51 DIHEDRAL ANGLES. SER 191 IS IN THE EPSILON REGION. THIS RESIDUE HAS EXCELLENT DENSITY AND ITS PHI/PSI ANGLES ARE CORRECT. SER 293 HAS GOOD DENSITY, AND NO OTHER INTERPRETATION SEEMS POSSIBLE. ILE 299 IS THE CENTRAL RESIDUE OF A GAMMA TURN, AND HAS THE EXPECTED PHI/PSI ANGLES FOR SUCH A CONFORMATION. THIS CONFORMATION IS CONSERVED IN ALL TRANSFERRINS AND THE ELECTRON DENSITY IS EXCELLENT. 0.178 2.2 20.0 14537 72. 1 0.0 2.2 20.0 113 2592 5 0 2474 0.015 2.0 1.88 1.3 0.015 2.0 1HSE 14575 1. 0.066 1 72. data collection RIGAKU refinement TNT data reduction RIGAKU H253M N TERMINAL LOBE OF HUMAN LACTOFERRIN 1 N N 2 N N 3 N N 4 N N A GLN 13 A GLN 13 HELX_P A ARG 28 A ARG 28 1 1 16 A PRO 42 A PRO 42 HELX_P A ALA 50 A ALA 50 1 2 9 A GLY 61 A GLY 61 HELX_P A ALA 67 A ALA 67 1 3 7 A LEU 106 A LEU 106 HELX_P A GLU 108 A GLU 108 5 4 3 A ASN 126 A ASN 126 HELX_P A LEU 136 A LEU 136 1 5 11 A ILE 145 A ILE 145 HELX_P A PHE 152 A PHE 152 1 6 8 A GLY 177 A GLY 177 HELX_P A ASN 179 A ASN 179 5 7 3 A SER 191 A SER 191 HELX_P A ASP 201 A ASP 201 1 8 11 A THR 213 A THR 213 HELX_P A ASP 217 A ASP 217 1 9 5 A GLU 221 A GLU 221 HELX_P A GLU 226 A GLU 226 1 10 6 A GLU 264 A GLU 264 HELX_P A PHE 278 A PHE 278 1 11 15 disulf 2.022 A CYS 9 A SG CYS 9 1_555 A CYS 45 A SG CYS 45 1_555 disulf 2.032 A CYS 19 A SG CYS 19 1_555 A CYS 36 A SG CYS 36 1_555 disulf 2.024 A CYS 115 A SG CYS 115 1_555 A CYS 198 A SG CYS 198 1_555 disulf 2.028 A CYS 157 A SG CYS 157 1_555 A CYS 173 A SG CYS 173 1_555 disulf 2.023 A CYS 170 A SG CYS 170 1_555 A CYS 181 A SG CYS 181 1_555 disulf 2.032 A CYS 231 A SG CYS 231 1_555 A CYS 245 A SG CYS 245 1_555 metalc 2.010 A ASP 60 A OD1 ASP 60 1_555 A FE 400 B FE FE 1_555 metalc 2.106 A TYR 92 A OH TYR 92 1_555 A FE 400 B FE FE 1_555 metalc 1.871 A TYR 192 A OH TYR 192 1_555 A FE 400 B FE FE 1_555 metalc 2.119 A FE 400 B FE FE 1_555 A CO3 401 C O1 CO3 1_555 metalc 2.177 A FE 400 B FE FE 1_555 A CO3 401 C O2 CO3 1_555 IRON TRANSPORT IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING, DUPLICATION, MILK, RECOMBINANT HALF MOLECULE, TRANSFERRIN A ALA 70 A ALA 70 1 A PRO 71 A PRO 71 5.02 A GLY 140 A GLY 140 1 A PRO 141 A PRO 141 3.12 A PRO 141 A PRO 141 1 A PRO 142 A PRO 142 7.66 TRFL_HUMAN UNP 1 21 P02788 21 347 1HSE 1 334 P02788 A 1 1 334 1 LYS variant ARG 28 1HSE A P02788 UNP 48 28 1 HIS engineered mutation MET 253 1HSE A P02788 UNP 273 253 2 4 5 3 parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel parallel anti-parallel anti-parallel A VAL 6 A VAL 6 A ALA 10 A ALA 10 A VAL 34 A VAL 34 A LYS 38 A LYS 38 A VAL 57 A VAL 57 A LEU 59 A LEU 59 A ALA 254 A ALA 254 A ARG 258 A ARG 258 A LEU 74 A LEU 74 A VAL 81 A VAL 81 A GLY 306 A GLY 306 A ARG 309 A ARG 309 A ALA 248 A ALA 248 A PRO 251 A PRO 251 A HIS 91 A HIS 91 A VAL 97 A VAL 97 A VAL 206 A VAL 206 A ARG 210 A ARG 210 A LYS 113 A LYS 113 A HIS 116 A HIS 116 A ALA 155 A ALA 155 A VAL 158 A VAL 158 A VAL 97 A VAL 97 A LYS 99 A LYS 99 A TYR 227 A TYR 227 A LEU 230 A LEU 230 A ARG 236 A ARG 236 A PRO 238 A PRO 238 METAL AND ANION BINDING SITE. Unknown 10 BINDING SITE FOR RESIDUE FE A 400 A FE 400 Software 5 BINDING SITE FOR RESIDUE CO3 A 401 A CO3 401 Software 9 A ASP 60 A ASP 60 10 1_555 A TYR 92 A TYR 92 10 1_555 A THR 117 A THR 117 10 1_555 A ARG 121 A ARG 121 10 1_555 A ALA 123 A ALA 123 10 1_555 A GLY 124 A GLY 124 10 1_555 A TYR 192 A TYR 192 10 1_555 A MET 253 A MET 253 10 1_555 A FE 400 B FE 10 1_555 A CO3 401 C CO3 10 1_555 A ASP 60 A ASP 60 5 1_555 A TYR 92 A TYR 92 5 1_555 A TYR 192 A TYR 192 5 1_555 A MET 253 A MET 253 5 1_555 A CO3 401 C CO3 5 1_555 A ASP 60 A ASP 60 9 1_555 A TYR 92 A TYR 92 9 1_555 A THR 117 A THR 117 9 1_555 A ARG 121 A ARG 121 9 1_555 A THR 122 A THR 122 9 1_555 A ALA 123 A ALA 123 9 1_555 A GLY 124 A GLY 124 9 1_555 A TYR 192 A TYR 192 9 1_555 A FE 400 B FE 9 1_555 92 P 41 21 2