1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Garcia-Herrero, A. Vogel, H.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking 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 N N 124 S C N 125 N C N 126 N O N 127 N C Y 128 N C Y 129 N N Y 130 N C Y 131 N C Y 132 N N 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 H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N N N 145 S C N 146 N C N 147 N O N 148 S C N 149 N C N 150 N C N 151 N C N 152 N O N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N N N 167 S C N 168 N C N 169 N O N 170 N C N 171 N C N 172 N C N 173 N C N 174 N O 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 N N 189 S C N 190 N C N 191 N O N 192 N C N 193 N C N 194 N C N 195 N C N 196 N N N 197 N O 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 N N 214 S C N 215 N C N 216 N O N 217 N C Y 218 N C Y 219 N C Y 220 N C Y 221 N C Y 222 N C Y 223 N C 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 H N 236 N N N 237 S C N 238 N C N 239 N O N 240 N C N 241 N C N 242 N C N 243 N O N 244 N H N 245 N H N 246 N H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N H N 252 N H N 253 N N N 254 S C N 255 N C N 256 N O N 257 N C N 258 N O N 259 N O 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 H N 267 N N N 268 S C N 269 N C N 270 N O N 271 R C N 272 N O N 273 N C N 274 N O N 275 N H N 276 N H N 277 N H N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N N N 285 S C N 286 N C N 287 N O N 288 N C Y 289 N C Y 290 N C Y 291 N C Y 292 N N Y 293 N C Y 294 N C Y 295 N C Y 296 N C Y 297 N C N 298 N O 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 H N 308 N H N 309 N H N 310 N H N 311 N N N 312 S C N 313 N C N 314 N O N 315 N C Y 316 N C Y 317 N C Y 318 N C Y 319 N C Y 320 N C Y 321 N C N 322 N O N 323 N O 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 H N 332 N H N 333 N H N 334 N H N 335 N N N 336 S C N 337 N C N 338 N O N 339 N C N 340 N C N 341 N C N 342 N O 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 H N 351 N H N 352 N H N 353 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 sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N doub N 123 N sing N 124 N sing N 125 N sing N 126 N sing Y 127 N sing Y 128 N doub Y 129 N doub N 130 N sing Y 131 N sing N 132 N sing Y 133 N sing N 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 doub N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N doub N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing 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 doub N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N doub N 210 N sing N 211 N sing N 212 N sing N 213 N sing Y 214 N doub Y 215 N sing Y 216 N sing N 217 N sing Y 218 N doub N 219 N sing Y 220 N doub N 221 N sing Y 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N doub 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 sing N 249 N doub 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 doub N 279 N sing N 280 N sing N 281 N sing N 282 N sing Y 283 N doub Y 284 N sing Y 285 N sing N 286 N sing Y 287 N doub Y 288 N sing Y 289 N sing N 290 N sing Y 291 N sing Y 292 N doub N 293 N sing Y 294 N doub N 295 N sing Y 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 doub N 307 N sing N 308 N sing N 309 N sing N 310 N sing Y 311 N doub Y 312 N sing Y 313 N sing N 314 N sing Y 315 N doub N 316 N sing Y 317 N doub N 318 N sing Y 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 doub N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing UK Mol.Microbiol. MOMIEE 2007 0950-382X 58 1226 1237 10.1111/j.1365-2958.2005.04889.x 16313612 Nuclear magnetic resonance solution structure of the periplasmic signalling domain of the TonB-dependent outer membrane transporter FecA from Escherichia coli 2005 10.2210/pdb2d1u/pdb pdb_00002d1u 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 11152.094 Iron(III) dicitrate transport protein fecA periplasmic signaling domain 1 man polymer no no AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED ALTVVGDWLGDARENDLEHHHHHH AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED ALTVVGDWLGDARENDLEHHHHHH 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 Escherichia Escherichia Escherichia coli sample fecA 562 Escherichia coli 469008 Escherichia coli BL21(DE3) BL21(DE3) plasmid pET30a pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list struct struct_ref_seq_dif chem_comp_atom chem_comp_bond database_2 repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Structure summary Data collection Database references 1 0 2005-12-27 1 1 2008-04-30 1 2 2011-07-13 1 3 2020-09-09 1 4 2024-05-01 _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _struct.title _struct_ref_seq_dif.details _database_2.pdbx_DOI _database_2.pdbx_database_accession PDBJ Y PDBJ 2005-09-01 REL REL The structure was determined using triple-resonance NMR spectroscopy target function 200 20 3D_15N-separated_ROESY 3D_13C-separated_NOESY 2D NOESY 50mM sodium phosphate 6 AMBIENT 298 K 1 lowest energy 1mM NTFecA U-15N; 50mM phosphate buffer; 90% H20, 10% D2O 90% H20, 10% D2O 1mM NTFecA U-15N, 13C; 50mM phosphate buffer pH6; 90% H20, 10% D2O 90% H20, 10% D2O 1mM NTFecA U-15N; 50mM phosphate buffer; 100% D2O 100% D2O Peter Guntert structure solution CYANA 2.0 Peter Guntert refinement CYANA 2.0 Bruce johnson data analysis NMRView 5.0.4 Frank delaglio processing NMRPipe 2.3 rev 2004.194.17.02 Bruker collection XwinNMR 3.0 500 Bruker AVANCE ALA 1 n 1 ALA 1 A GLN 2 n 2 GLN 2 A VAL 3 n 3 VAL 3 A ASN 4 n 4 ASN 4 A ILE 5 n 5 ILE 5 A ALA 6 n 6 ALA 6 A PRO 7 n 7 PRO 7 A GLY 8 n 8 GLY 8 A SER 9 n 9 SER 9 A LEU 10 n 10 LEU 10 A ASP 11 n 11 ASP 11 A LYS 12 n 12 LYS 12 A ALA 13 n 13 ALA 13 A LEU 14 n 14 LEU 14 A ASN 15 n 15 ASN 15 A GLN 16 n 16 GLN 16 A TYR 17 n 17 TYR 17 A ALA 18 n 18 ALA 18 A ALA 19 n 19 ALA 19 A HIS 20 n 20 HIS 20 A SER 21 n 21 SER 21 A GLY 22 n 22 GLY 22 A PHE 23 n 23 PHE 23 A THR 24 n 24 THR 24 A LEU 25 n 25 LEU 25 A SER 26 n 26 SER 26 A VAL 27 n 27 VAL 27 A ASP 28 n 28 ASP 28 A ALA 29 n 29 ALA 29 A SER 30 n 30 SER 30 A LEU 31 n 31 LEU 31 A THR 32 n 32 THR 32 A ARG 33 n 33 ARG 33 A GLY 34 n 34 GLY 34 A LYS 35 n 35 LYS 35 A GLN 36 n 36 GLN 36 A SER 37 n 37 SER 37 A ASN 38 n 38 ASN 38 A GLY 39 n 39 GLY 39 A LEU 40 n 40 LEU 40 A HIS 41 n 41 HIS 41 A GLY 42 n 42 GLY 42 A ASP 43 n 43 ASP 43 A TYR 44 n 44 TYR 44 A ASP 45 n 45 ASP 45 A VAL 46 n 46 VAL 46 A GLU 47 n 47 GLU 47 A SER 48 n 48 SER 48 A GLY 49 n 49 GLY 49 A LEU 50 n 50 LEU 50 A GLN 51 n 51 GLN 51 A GLN 52 n 52 GLN 52 A LEU 53 n 53 LEU 53 A LEU 54 n 54 LEU 54 A ASP 55 n 55 ASP 55 A GLY 56 n 56 GLY 56 A SER 57 n 57 SER 57 A GLY 58 n 58 GLY 58 A LEU 59 n 59 LEU 59 A GLN 60 n 60 GLN 60 A VAL 61 n 61 VAL 61 A LYS 62 n 62 LYS 62 A PRO 63 n 63 PRO 63 A LEU 64 n 64 LEU 64 A GLY 65 n 65 GLY 65 A ASN 66 n 66 ASN 66 A ASN 67 n 67 ASN 67 A SER 68 n 68 SER 68 A TRP 69 n 69 TRP 69 A THR 70 n 70 THR 70 A LEU 71 n 71 LEU 71 A GLU 72 n 72 GLU 72 A PRO 73 n 73 PRO 73 A ALA 74 n 74 ALA 74 A PRO 75 n 75 PRO 75 A ALA 76 n 76 ALA 76 A PRO 77 n 77 PRO 77 A LYS 78 n 78 LYS 78 A GLU 79 n 79 GLU 79 A ASP 80 n 80 ASP 80 A ALA 81 n 81 ALA 81 A LEU 82 n 82 LEU 82 A THR 83 n 83 THR 83 A VAL 84 n 84 VAL 84 A VAL 85 n 85 VAL 85 A GLY 86 n 86 GLY 86 A ASP 87 n 87 ASP 87 A TRP 88 n 88 TRP 88 A LEU 89 n 89 LEU 89 A GLY 90 n 90 GLY 90 A ASP 91 n 91 ASP 91 A ALA 92 n 92 ALA 92 A ARG 93 n 93 ARG 93 A GLU 94 n 94 GLU 94 A ASN 95 n 95 ASN 95 A ASP 96 n 96 ASP 96 A LEU 97 n 97 LEU 97 A GLU 98 n 98 GLU 98 A HIS 99 n 99 HIS 99 A HIS 100 n 100 HIS 100 A HIS 101 n 101 HIS 101 A HIS 102 n 102 HIS 102 A HIS 103 n 103 HIS 103 A HIS 104 n 104 HIS 104 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 3 A N VAL 3 A O GLY 42 A O GLY 42 A N THR 24 A N THR 24 A O TRP 69 A O TRP 69 A O GLU 72 A O GLU 72 A N GLN 60 A N GLN 60 1 A PRO 7 -69.78 -164.67 1 A SER 9 179.01 118.33 1 A ASP 28 -58.40 97.77 1 A ARG 33 -56.38 100.25 1 A HIS 41 -161.15 101.43 1 A ASP 45 -67.04 -175.05 1 A ASN 66 -58.98 -83.19 1 A LYS 78 -52.64 104.32 2 A PRO 7 -69.80 -164.46 2 A SER 9 179.85 127.82 2 A HIS 41 -161.00 100.85 2 A ASP 45 -60.90 -175.16 2 A LEU 64 -124.33 -61.91 2 A ALA 76 -49.23 160.96 2 A LYS 78 51.51 89.27 2 A GLU 79 -178.83 118.69 2 A LEU 82 -106.52 74.06 2 A LEU 89 -90.14 46.56 3 A PRO 7 -69.80 -164.41 3 A SER 9 -173.41 121.83 3 A ASP 28 -51.48 102.08 3 A HIS 41 -161.44 101.24 3 A ASP 45 -59.18 -175.96 3 A LEU 64 -125.14 -64.41 3 A ASN 66 -68.74 91.34 3 A ASP 80 -58.83 -176.95 3 A LEU 82 -102.70 55.24 3 A TRP 88 58.59 97.94 3 A ASP 91 -116.51 53.77 4 A PRO 7 -69.69 -160.85 4 A SER 9 -179.54 117.44 4 A ASP 28 -63.97 94.28 4 A HIS 41 -160.69 101.01 4 A ASP 45 -60.27 -174.74 4 A LEU 64 -124.74 -62.38 4 A ASN 66 -68.12 86.74 5 A PRO 7 -69.76 -164.61 5 A SER 9 179.44 123.14 5 A SER 21 -90.92 -65.69 5 A ASP 28 -57.24 97.81 5 A HIS 41 -162.21 101.54 5 A ASP 45 -59.65 -175.33 5 A LEU 64 -123.54 -62.09 5 A GLU 94 -171.73 129.80 5 A ASN 95 -173.19 135.43 5 A LEU 97 -166.82 116.03 5 A GLU 98 -164.32 113.13 5 A HIS 100 -84.21 -73.95 6 A PRO 7 -69.79 -165.07 6 A SER 9 179.59 121.45 6 A ASP 28 -51.16 103.27 6 A HIS 41 -161.36 101.31 6 A ASP 45 -62.97 -175.14 6 A LEU 64 -123.27 -64.28 6 A ASN 66 -66.01 89.80 6 A ASN 67 39.09 38.72 7 A PRO 7 -69.70 -164.14 7 A SER 9 179.74 113.69 7 A ASP 28 -50.75 107.07 7 A HIS 41 -160.89 101.14 7 A ASP 45 -59.15 -179.43 7 A ASN 66 -61.20 -83.52 8 A PRO 7 -69.74 -164.91 8 A SER 9 179.43 123.06 8 A ASP 28 -56.22 99.45 8 A ARG 33 -56.54 100.09 8 A HIS 41 -161.56 102.00 8 A ASP 45 -63.51 -174.84 8 A ASN 66 -62.94 -82.23 8 A ASP 80 -163.17 114.98 8 A THR 83 -102.70 57.28 8 A TRP 88 58.41 96.90 9 A PRO 7 -69.74 -164.11 9 A SER 9 178.67 104.07 9 A ASP 28 -67.24 95.98 9 A HIS 41 -160.78 101.13 9 A ASP 45 -59.14 -174.88 9 A LEU 64 -124.16 -62.22 9 A GLU 94 -61.64 -175.78 9 A ASP 96 -103.36 42.94 9 A HIS 102 -130.83 -57.54 10 A PRO 7 -69.79 -163.44 10 A SER 9 178.99 112.68 10 A SER 21 -90.24 -60.61 10 A ASP 45 -57.71 -177.14 10 A LEU 64 -123.61 -64.10 10 A ASN 66 -66.30 89.73 10 A ASN 67 39.12 38.60 10 A ALA 76 62.93 160.17 11 A PRO 7 -69.79 -164.10 11 A SER 9 -179.98 107.37 11 A ASP 28 -52.54 102.30 11 A ARG 33 -57.06 102.59 11 A HIS 41 -160.74 101.19 11 A ASP 45 -59.46 -174.80 11 A LEU 64 -124.98 -60.75 11 A LYS 78 -61.68 -75.75 11 A ALA 81 -67.75 -176.20 11 A LEU 82 -116.20 57.09 11 A ALA 92 -103.34 54.44 12 A PRO 7 -69.76 -164.33 12 A SER 9 178.87 111.82 12 A ARG 33 -52.31 106.44 12 A HIS 41 -160.88 101.09 12 A ASP 45 -58.41 -176.34 12 A LEU 64 -127.01 -59.49 12 A ASN 66 -69.12 85.96 12 A ASP 80 -172.67 124.48 12 A HIS 100 -94.20 55.53 13 A PRO 7 -69.72 -164.25 13 A SER 9 178.29 108.24 13 A ASP 28 -54.86 100.94 13 A ARG 33 -60.44 95.62 13 A HIS 41 -160.82 101.18 13 A ASP 45 -59.91 -174.87 13 A LEU 64 -126.27 -63.72 13 A ASN 67 46.21 29.42 13 A THR 83 -58.32 170.31 13 A ASP 91 -100.39 49.92 14 A PRO 7 -69.76 -164.58 14 A SER 9 178.88 101.05 14 A SER 21 -90.85 -63.83 14 A ASP 28 -57.86 98.50 14 A HIS 41 -161.43 101.31 14 A ASP 45 -61.93 -175.63 14 A LEU 64 -127.00 -64.10 14 A VAL 85 -112.53 59.49 14 A ASP 91 -110.24 72.54 14 A HIS 99 -167.52 115.80 15 A PRO 7 -69.80 -164.85 15 A SER 9 179.29 105.40 15 A ARG 33 -51.66 108.92 15 A HIS 41 -161.49 101.57 15 A ASP 45 -61.06 -175.62 15 A LEU 64 -123.54 -64.36 15 A ASN 66 -67.61 86.47 15 A LEU 97 -113.33 71.33 15 A GLU 98 -100.77 59.25 15 A HIS 102 38.59 42.45 16 A PRO 7 -69.79 -163.94 16 A SER 9 178.69 106.92 16 A SER 21 -90.21 -63.89 16 A ARG 33 -50.98 103.59 16 A HIS 41 -161.45 101.17 16 A ASP 45 -57.71 179.30 16 A LEU 64 -124.49 -64.47 16 A ASN 66 -66.32 89.69 16 A ASN 67 39.46 37.68 16 A ALA 81 -132.76 -40.83 16 A GLU 94 56.74 74.94 16 A ASN 95 51.50 70.74 17 A PRO 7 -69.75 -163.17 17 A SER 9 179.67 110.09 17 A ASP 28 -61.51 94.89 17 A HIS 41 -160.52 101.21 17 A ASP 45 -58.62 -175.38 17 A LEU 64 -124.50 -62.42 17 A GLU 79 -174.68 95.51 17 A VAL 85 -64.42 -179.14 17 A HIS 103 -119.90 67.50 18 A PRO 7 -69.78 -163.14 18 A SER 9 178.28 130.88 18 A HIS 41 -160.75 101.48 18 A ASP 45 -58.90 -174.85 18 A ASN 66 -62.68 -82.16 18 A LYS 78 -53.88 103.36 18 A ASP 91 -116.18 51.27 19 A PRO 7 -69.76 -164.47 19 A SER 9 179.45 111.14 19 A ASP 28 -50.80 103.67 19 A ARG 33 -45.47 -75.58 19 A HIS 41 -160.59 101.08 19 A ASP 45 -58.08 -176.37 19 A ASN 66 66.69 63.20 19 A ALA 81 -100.47 56.84 19 A ASN 95 -58.34 170.32 20 A PRO 7 -69.73 -164.33 20 A SER 9 178.84 122.15 20 A ARG 33 -48.82 104.67 20 A HIS 41 -160.87 101.02 20 A ASP 45 -67.20 -176.89 20 A ASN 66 -65.93 -81.33 20 A LYS 78 38.72 39.88 20 A TRP 88 -174.96 148.61 20 A LEU 89 -101.86 -73.83 Solution structure of the periplasmic signaling domain of FecA from Escherichia coli 1 N N A SER 9 A SER 9 HELX_P A GLY 22 A GLY 22 1 1 14 A ASP 28 A ASP 28 HELX_P A ARG 33 A ARG 33 1 2 6 A ASP 45 A ASP 45 HELX_P A LEU 54 A LEU 54 1 3 10 METAL TRANSPORT FecA, Surface signaling, Iron-uptake, METAL TRANSPORT FECA_ECOLI UNP 1 34 P13036 AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED ALTVVGDWLGDAREND 34 129 2D1U 1 96 P13036 A 1 1 96 1 expression tag LEU 97 2D1U A P13036 UNP 97 1 expression tag GLU 98 2D1U A P13036 UNP 98 1 expression tag HIS 99 2D1U A P13036 UNP 99 1 expression tag HIS 100 2D1U A P13036 UNP 100 1 expression tag HIS 101 2D1U A P13036 UNP 101 1 expression tag HIS 102 2D1U A P13036 UNP 102 1 expression tag HIS 103 2D1U A P13036 UNP 103 1 expression tag HIS 104 2D1U A P13036 UNP 104 2 3 anti-parallel parallel anti-parallel A GLN 2 A GLN 2 A ASN 4 A ASN 4 A HIS 41 A HIS 41 A ASP 43 A ASP 43 A THR 24 A THR 24 A LEU 25 A LEU 25 A SER 68 A SER 68 A PRO 73 A PRO 73 A LEU 59 A LEU 59 A PRO 63 A PRO 63 1 P 1