0.018071 0.010433 0.000000 0.000000 0.020867 0.000000 0.000000 0.000000 0.006256 0.00000 0.00000 0.00000 Bilder, P.W. Ding, H. Newcomer, M.E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 90.00 120.00 55.337 55.337 159.835 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 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 Hg 2 200.590 MERCURY (II) ION 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 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 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O N 98 N H N 99 N H 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 N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O 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 H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O N 131 N O N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N HG N 138 N N N 139 S C N 140 N C N 141 N O N 142 N C Y 143 N C Y 144 N N Y 145 N C Y 146 N C Y 147 N N N 148 N O N 149 N H N 150 N H N 151 N H N 152 N H 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 O N 160 N H N 161 N H N 162 N N N 163 S C N 164 N C N 165 N O N 166 S C N 167 N C N 168 N C N 169 N C N 170 N O N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N H N 184 N N N 185 S C N 186 N C N 187 N O N 188 N C N 189 N C N 190 N C N 191 N C N 192 N O 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 N N 207 S C N 208 N C N 209 N O N 210 N C N 211 N C N 212 N C N 213 N C N 214 N N N 215 N O N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H 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 N N 232 S C N 233 N C N 234 N O N 235 N C N 236 N C N 237 N S N 238 N C N 239 N O N 240 N H N 241 N H N 242 N H N 243 N H 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 N N 252 S C N 253 N C N 254 N O N 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C Y 261 N C N 262 N O N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N H N 274 N N N 275 S C N 276 N C N 277 N O N 278 N C N 279 N C N 280 N C N 281 N O N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N N N 292 S C N 293 N C N 294 N O N 295 N C N 296 N O N 297 N O 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 N N 306 S C N 307 N C N 308 N O N 309 R C N 310 N O N 311 N C N 312 N O N 313 N H N 314 N H N 315 N H 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 N N 323 S C N 324 N C N 325 N O N 326 N C Y 327 N C Y 328 N C Y 329 N C Y 330 N C Y 331 N C Y 332 N C N 333 N O N 334 N O N 335 N H N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N H N 346 N N N 347 S C N 348 N C N 349 N O N 350 N C N 351 N C N 352 N C N 353 N O N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 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 sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N doub N 90 N sing 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 doub N 98 N sing 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 doub N 109 N sing 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 doub N 117 N sing 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 doub N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N doub N 136 N sing N 137 N sing N 138 N sing N 139 N sing Y 140 N sing Y 141 N doub Y 142 N doub N 143 N sing Y 144 N sing N 145 N sing Y 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 doub N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing 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 doub N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N 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 doub 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 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 sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N doub 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 sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N doub N 244 N sing N 245 N sing N 246 N sing N 247 N sing Y 248 N doub Y 249 N sing Y 250 N sing N 251 N sing Y 252 N doub N 253 N sing Y 254 N doub N 255 N sing Y 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N doub 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 doub 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 sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing N 312 N doub N 313 N sing N 314 N sing N 315 N sing N 316 N sing Y 317 N doub Y 318 N sing Y 319 N sing N 320 N sing Y 321 N doub N 322 N sing Y 323 N doub N 324 N sing Y 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N doub N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing US Biochemistry BICHAW 0033 0006-2960 43 133 139 14705938 Crystal structure of the ancient, Fe-S scaffold IscA reveals a novel protein fold. 2004 10.2210/pdb1r94/pdb pdb_00001r94 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100.0 1 IMAGE PLATE MARRESEARCH OSMIC MIRRORS SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE ENRAF-NONIUS FR591 12843.438 Protein yfhF 2 man polymer 200.590 MERCURY (II) ION 2 syn non-polymer 18.015 water 85 nat water no no MSITLSDSAAARVNTFLANRGKGFGLRLGVRTSGCSGMAYVLEFVDEPTPEDIVFEDKGVKVVVDGKSLQFLDGTQLDFV KEGLNEGFKFTNPNVKDECGCGESFKLAAALDHHHHHH MSITLSDSAAARVNTFLANRGKGFGLRLGVRTSGCSGMAYVLEFVDEPTPEDIVFEDKGVKVVVDGKSLQFLDGTQLDFV KEGLNEGFKFTNPNVKDECGCGESFKLAAALDHHHHHH 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 Escherichia Escherichia sample YFHF, B2528, C3053, Z3795, ECS3394, SF2575, S2747 562 Escherichia coli 562 Escherichia coli 1 2.75 55.27 8.00 dibasic ammonium phosphate, imidazole, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.00 298 software chem_comp_atom chem_comp_bond database_2 struct_conn struct_ncs_dom_lim struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Refinement description Data collection Database references Derived calculations Refinement description 1 0 2003-12-23 1 1 2008-04-29 1 2 2011-07-13 1 3 2017-10-11 1 4 2024-02-14 _software.classification _software.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _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.ptnr1_symmetry _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_conn.ptnr2_symmetry _struct_ncs_dom_lim.beg_auth_comp_id _struct_ncs_dom_lim.end_auth_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 Crystal Structure of IscA (NATIVE) RCSB Y RCSB 2003-10-28 REL HG MERCURY (II) ION HOH water HG 1 2 HG HG 119 A HG 1 2 HG HG 119 B HOH 1 3 HOH HOH 120 A HOH 2 3 HOH HOH 121 A HOH 3 3 HOH HOH 122 A HOH 7 3 HOH HOH 123 A HOH 8 3 HOH HOH 124 A HOH 10 3 HOH HOH 125 A HOH 13 3 HOH HOH 126 A HOH 16 3 HOH HOH 127 A HOH 18 3 HOH HOH 128 A HOH 19 3 HOH HOH 129 A HOH 21 3 HOH HOH 130 A HOH 24 3 HOH HOH 131 A HOH 25 3 HOH HOH 132 A HOH 26 3 HOH HOH 133 A HOH 29 3 HOH HOH 134 A HOH 30 3 HOH HOH 135 A HOH 31 3 HOH HOH 136 A HOH 33 3 HOH HOH 137 A HOH 34 3 HOH HOH 138 A HOH 36 3 HOH HOH 139 A HOH 37 3 HOH HOH 140 A HOH 39 3 HOH HOH 141 A HOH 40 3 HOH HOH 142 A HOH 44 3 HOH HOH 143 A HOH 45 3 HOH HOH 144 A HOH 48 3 HOH HOH 145 A HOH 49 3 HOH HOH 146 A HOH 51 3 HOH HOH 147 A HOH 52 3 HOH HOH 148 A HOH 53 3 HOH HOH 149 A HOH 55 3 HOH HOH 150 A HOH 58 3 HOH HOH 151 A HOH 59 3 HOH HOH 152 A HOH 60 3 HOH HOH 153 A HOH 65 3 HOH HOH 154 A HOH 69 3 HOH HOH 155 A HOH 70 3 HOH HOH 156 A HOH 71 3 HOH HOH 157 A HOH 74 3 HOH HOH 158 A HOH 75 3 HOH HOH 159 A HOH 76 3 HOH HOH 160 A HOH 79 3 HOH HOH 161 A HOH 80 3 HOH HOH 162 A HOH 4 3 HOH HOH 120 B HOH 5 3 HOH HOH 121 B HOH 6 3 HOH HOH 122 B HOH 9 3 HOH HOH 123 B HOH 11 3 HOH HOH 124 B HOH 12 3 HOH HOH 125 B HOH 14 3 HOH HOH 126 B HOH 15 3 HOH HOH 127 B HOH 17 3 HOH HOH 128 B HOH 20 3 HOH HOH 129 B HOH 22 3 HOH HOH 130 B HOH 23 3 HOH HOH 131 B HOH 27 3 HOH HOH 132 B HOH 28 3 HOH HOH 133 B HOH 32 3 HOH HOH 134 B HOH 35 3 HOH HOH 135 B HOH 38 3 HOH HOH 136 B HOH 41 3 HOH HOH 137 B HOH 42 3 HOH HOH 138 B HOH 43 3 HOH HOH 139 B HOH 46 3 HOH HOH 140 B HOH 47 3 HOH HOH 141 B HOH 50 3 HOH HOH 142 B HOH 54 3 HOH HOH 143 B HOH 56 3 HOH HOH 144 B HOH 57 3 HOH HOH 145 B HOH 61 3 HOH HOH 146 B HOH 62 3 HOH HOH 147 B HOH 63 3 HOH HOH 148 B HOH 64 3 HOH HOH 149 B HOH 66 3 HOH HOH 150 B HOH 67 3 HOH HOH 151 B HOH 68 3 HOH HOH 152 B HOH 72 3 HOH HOH 153 B HOH 73 3 HOH HOH 154 B HOH 77 3 HOH HOH 155 B HOH 78 3 HOH HOH 156 B HOH 81 3 HOH HOH 157 B HOH 82 3 HOH HOH 158 B HOH 83 3 HOH HOH 159 B HOH 84 3 HOH HOH 160 B HOH 85 3 HOH HOH 161 B ALA 1 n 1 MET 1 A SER 2 n 2 SER 2 A ILE 3 n 3 ILE 3 A THR 4 n 4 THR 4 A LEU 5 n 5 LEU 5 A SER 6 n 6 SER 6 A ASP 7 n 7 ASP 7 A SER 8 n 8 SER 8 A ALA 9 n 9 ALA 9 A ALA 10 n 10 ALA 10 A ALA 11 n 11 ALA 11 A ARG 12 n 12 ARG 12 A VAL 13 n 13 VAL 13 A ASN 14 n 14 ASN 14 A THR 15 n 15 THR 15 A PHE 16 n 16 PHE 16 A LEU 17 n 17 LEU 17 A ALA 18 n 18 ALA 18 A ASN 19 n 19 ASN 19 A ARG 20 n 20 ARG 20 A GLY 21 n 21 GLY 21 A LYS 22 n 22 LYS 22 A GLY 23 n 23 GLY 23 A PHE 24 n 24 PHE 24 A GLY 25 n 25 GLY 25 A LEU 26 n 26 LEU 26 A ARG 27 n 27 ARG 27 A LEU 28 n 28 LEU 28 A GLY 29 n 29 GLY 29 A VAL 30 n 30 VAL 30 A ARG 31 n 31 ARG 31 A THR 32 n 32 THR 32 A SER 33 n 33 SER 33 A GLY 34 n 34 GLY 34 A CYS 35 n 35 CYS 35 A SER 36 n 36 SER 36 A GLY 37 n 37 GLY 37 A MET 38 n 38 MET 38 A ALA 39 n 39 ALA 39 A TYR 40 n 40 TYR 40 A VAL 41 n 41 VAL 41 A LEU 42 n 42 LEU 42 A GLU 43 n 43 GLU 43 A PHE 44 n 44 PHE 44 A VAL 45 n 45 VAL 45 A ASP 46 n 46 ASP 46 A GLU 47 n 47 GLU 47 A PRO 48 n 48 PRO 48 A THR 49 n 49 THR 49 A PRO 50 n 50 PRO 50 A GLU 51 n 51 GLU 51 A ASP 52 n 52 ASP 52 A ILE 53 n 53 ILE 53 A VAL 54 n 54 VAL 54 A PHE 55 n 55 PHE 55 A GLU 56 n 56 GLU 56 A ASP 57 n 57 ASP 57 A LYS 58 n 58 LYS 58 A GLY 59 n 59 GLY 59 A VAL 60 n 60 VAL 60 A LYS 61 n 61 LYS 61 A VAL 62 n 62 VAL 62 A VAL 63 n 63 VAL 63 A VAL 64 n 64 VAL 64 A ASP 65 n 65 ASP 65 A GLY 66 n 66 GLY 66 A LYS 67 n 67 LYS 67 A SER 68 n 68 SER 68 A LEU 69 n 69 LEU 69 A GLN 70 n 70 GLN 70 A PHE 71 n 71 PHE 71 A LEU 72 n 72 LEU 72 A ASP 73 n 73 ASP 73 A GLY 74 n 74 GLY 74 A THR 75 n 75 THR 75 A GLN 76 n 76 GLN 76 A LEU 77 n 77 LEU 77 A ASP 78 n 78 ASP 78 A PHE 79 n 79 PHE 79 A VAL 80 n 80 VAL 80 A LYS 81 n 81 LYS 81 A GLU 82 n 82 GLU 82 A GLY 83 n 83 GLY 83 A LEU 84 n 84 LEU 84 A ASN 85 n 85 ASN 85 A GLU 86 n 86 GLU 86 A GLY 87 n 87 GLY 87 A PHE 88 n 88 PHE 88 A LYS 89 n 89 LYS 89 A PHE 90 n 90 PHE 90 A THR 91 n 91 THR 91 A ASN 92 n 92 ASN 92 A PRO 93 n 93 PRO 93 A ASN 94 n 94 ASN 94 A VAL 95 n 95 VAL 95 A LYS 96 n 96 LYS 96 A ASP 97 n 97 ASP 97 A n 98 98 A n 99 99 A n 100 100 A n 101 101 A n 102 102 A n 103 103 A n 104 104 A n 105 105 A n 106 106 A n 107 107 A n 108 108 A n 109 109 A n 110 110 A n 111 111 A n 112 112 A n 113 113 A n 114 114 A n 115 115 A n 116 116 A n 117 117 A n 118 118 A ALA 1 n 1 MET 1 B SER 2 n 2 SER 2 B ILE 3 n 3 ILE 3 B THR 4 n 4 THR 4 B LEU 5 n 5 LEU 5 B SER 6 n 6 SER 6 B ASP 7 n 7 ASP 7 B SER 8 n 8 SER 8 B ALA 9 n 9 ALA 9 B ALA 10 n 10 ALA 10 B ALA 11 n 11 ALA 11 B ARG 12 n 12 ARG 12 B VAL 13 n 13 VAL 13 B ASN 14 n 14 ASN 14 B THR 15 n 15 THR 15 B PHE 16 n 16 PHE 16 B LEU 17 n 17 LEU 17 B ALA 18 n 18 ALA 18 B ASN 19 n 19 ASN 19 B ARG 20 n 20 ARG 20 B GLY 21 n 21 GLY 21 B LYS 22 n 22 LYS 22 B GLY 23 n 23 GLY 23 B PHE 24 n 24 PHE 24 B GLY 25 n 25 GLY 25 B LEU 26 n 26 LEU 26 B ARG 27 n 27 ARG 27 B LEU 28 n 28 LEU 28 B GLY 29 n 29 GLY 29 B VAL 30 n 30 VAL 30 B ARG 31 n 31 ARG 31 B THR 32 n 32 THR 32 B SER 33 n 33 SER 33 B GLY 34 n 34 GLY 34 B CYS 35 n 35 CYS 35 B SER 36 n 36 SER 36 B GLY 37 n 37 GLY 37 B MET 38 n 38 MET 38 B ALA 39 n 39 ALA 39 B TYR 40 n 40 TYR 40 B VAL 41 n 41 VAL 41 B LEU 42 n 42 LEU 42 B GLU 43 n 43 GLU 43 B PHE 44 n 44 PHE 44 B VAL 45 n 45 VAL 45 B ASP 46 n 46 ASP 46 B GLU 47 n 47 GLU 47 B PRO 48 n 48 PRO 48 B THR 49 n 49 THR 49 B PRO 50 n 50 PRO 50 B GLU 51 n 51 GLU 51 B ASP 52 n 52 ASP 52 B ILE 53 n 53 ILE 53 B VAL 54 n 54 VAL 54 B PHE 55 n 55 PHE 55 B GLU 56 n 56 GLU 56 B ASP 57 n 57 ASP 57 B LYS 58 n 58 LYS 58 B GLY 59 n 59 GLY 59 B VAL 60 n 60 VAL 60 B LYS 61 n 61 LYS 61 B VAL 62 n 62 VAL 62 B VAL 63 n 63 VAL 63 B VAL 64 n 64 VAL 64 B ASP 65 n 65 ASP 65 B GLY 66 n 66 GLY 66 B LYS 67 n 67 LYS 67 B SER 68 n 68 SER 68 B LEU 69 n 69 LEU 69 B GLN 70 n 70 GLN 70 B PHE 71 n 71 PHE 71 B LEU 72 n 72 LEU 72 B ASP 73 n 73 ASP 73 B GLY 74 n 74 GLY 74 B THR 75 n 75 THR 75 B GLN 76 n 76 GLN 76 B LEU 77 n 77 LEU 77 B ASP 78 n 78 ASP 78 B PHE 79 n 79 PHE 79 B VAL 80 n 80 VAL 80 B LYS 81 n 81 LYS 81 B GLU 82 n 82 GLU 82 B GLY 83 n 83 GLY 83 B LEU 84 n 84 LEU 84 B ASN 85 n 85 ASN 85 B GLU 86 n 86 GLU 86 B GLY 87 n 87 GLY 87 B PHE 88 n 88 PHE 88 B LYS 89 n 89 LYS 89 B PHE 90 n 90 PHE 90 B THR 91 n 91 THR 91 B ASN 92 n 92 ASN 92 B PRO 93 n 93 PRO 93 B ASN 94 n 94 ASN 94 B VAL 95 n 95 VAL 95 B LYS 96 n 96 LYS 96 B ASP 97 n 97 ASP 97 B n 98 98 B n 99 99 B n 100 100 B n 101 101 B n 102 102 B n 103 103 B n 104 104 B n 105 105 B n 106 106 B n 107 107 B n 108 108 B n 109 109 B n 110 110 B n 111 111 B n 112 112 B n 113 113 B n 114 114 B n 115 115 B n 116 116 B n 117 117 B n 118 118 B author_defined_assembly 4 tetrameric 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_775 -x+2,-y+2,z crystal symmetry operation 55.3370000000 95.8464955384 0.0000000000 A N THR 4 A N THR 4 A O LEU 77 A O LEU 77 A N GLU 82 A N GLU 82 A O ASN 85 A O ASN 85 A O ALA 39 A O ALA 39 A N ARG 31 A N ARG 31 A N LEU 26 A N LEU 26 A O VAL 63 A O VAL 63 A O VAL 64 A O VAL 64 A N ILE 53 A N ILE 53 B N THR 4 B N THR 4 B O LEU 77 B O LEU 77 B N GLU 82 B N GLU 82 B O ASN 85 B O ASN 85 B O ALA 39 B O ALA 39 B N ARG 31 B N ARG 31 B N LEU 26 B N LEU 26 B O VAL 63 B O VAL 63 B O VAL 64 B O VAL 64 B N ILE 53 B N ILE 53 1 A CG MET 1 A CG MET 1 1 Y 1 A SD MET 1 A SD MET 1 1 Y 1 A CE MET 1 A CE MET 1 1 Y 1 B CG MET 1 B CG MET 1 1 Y 1 B SD MET 1 B SD MET 1 1 Y 1 B CE MET 1 B CE MET 1 1 Y 1 A GLU 98 A GLU 98 1 Y 1 A CYS 99 A CYS 99 1 Y 1 A GLY 100 A GLY 100 1 Y 1 A CYS 101 A CYS 101 1 Y 1 A GLY 102 A GLY 102 1 Y 1 A GLU 103 A GLU 103 1 Y 1 A SER 104 A SER 104 1 Y 1 A PHE 105 A PHE 105 1 Y 1 A LYS 106 A LYS 106 1 Y 1 A LEU 107 A LEU 107 1 Y 1 A ALA 108 A ALA 108 1 Y 1 A ALA 109 A ALA 109 1 Y 1 A ALA 110 A ALA 110 1 Y 1 A LEU 111 A LEU 111 1 Y 1 A ASP 112 A ASP 112 1 Y 1 A HIS 113 A HIS 113 1 Y 1 A HIS 114 A HIS 114 1 Y 1 A HIS 115 A HIS 115 1 Y 1 A HIS 116 A HIS 116 1 Y 1 A HIS 117 A HIS 117 1 Y 1 A HIS 118 A HIS 118 1 Y 1 B GLU 98 B GLU 98 1 Y 1 B CYS 99 B CYS 99 1 Y 1 B GLY 100 B GLY 100 1 Y 1 B CYS 101 B CYS 101 1 Y 1 B GLY 102 B GLY 102 1 Y 1 B GLU 103 B GLU 103 1 Y 1 B SER 104 B SER 104 1 Y 1 B PHE 105 B PHE 105 1 Y 1 B LYS 106 B LYS 106 1 Y 1 B LEU 107 B LEU 107 1 Y 1 B ALA 108 B ALA 108 1 Y 1 B ALA 109 B ALA 109 1 Y 1 B ALA 110 B ALA 110 1 Y 1 B LEU 111 B LEU 111 1 Y 1 B ASP 112 B ASP 112 1 Y 1 B HIS 113 B HIS 113 1 Y 1 B HIS 114 B HIS 114 1 Y 1 B HIS 115 B HIS 115 1 Y 1 B HIS 116 B HIS 116 1 Y 1 B HIS 117 B HIS 117 1 Y 1 B HIS 118 B HIS 118 1 Y 1 6.87 0.90 118.30 125.17 A A A CB CG OD2 ASP ASP ASP 57 57 57 N 1 5.40 0.90 118.30 123.70 A A A CB CG OD2 ASP ASP ASP 65 65 65 N 1 6.52 0.90 118.30 124.82 B B B CB CG OD2 ASP ASP ASP 57 57 57 N 1 B B O O HOH HOH 129 151 2.08 1_555 4_665 1 A SER 2 -65.37 46.40 1 B SER 2 -68.63 47.04 1 B ASN 94 -78.65 21.20 43.78 -0.11000 -0.06000 0.00000 -0.11000 0.00000 0.17000 0.925 0.908 0.263 0.229 0.231 2.30 27.22 580 11110 5.000 95.2 7.381 0.172 RANDOM 1 THROUGHOUT 0.000 SIR 0.308 0.234 0.80 0.80 1.40 MAXIMUM LIKELIHOOD BABINET MODEL WITH MASK 2.30 27.22 85 1557 2 0 1470 0.014 0.022 1492 1.514 1.968 2010 7.515 5.000 192 0.091 0.200 228 0.006 0.020 1128 0.219 0.200 556 0.198 0.200 82 0.180 0.200 79 0.249 0.200 14 0.919 1.500 952 1.756 2.000 1524 2.306 3.000 540 4.010 4.500 486 1 A 1 736 X-RAY DIFFRACTION tight positional 0.02 0.05 2 A 1 736 X-RAY DIFFRACTION tight thermal 0.06 0.50 0.391 0.304 2.36 32 696 20 44.2 2.300 500.000 1R94 12243 -3.000 0.063 1 38.0 5.6 99.4 2.30 2.40 5.5 0.457 5.3 99.1 refinement REFMAC 5.1.24 data collection MAR345 data scaling SCALEPACK phasing CNS Crystal Structure of IscA (MERCURY DERIVATIVE) 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N The biological assembly comprises two possible tetramers (A,B). tetramer A is generated from either monomer in asymmetric unit using the following symmetry operators: -x,-y, z and -y,x-y,z+2/3 and y,-x+y,z+2/3. Tetramer B is generated from the dimer in the asymmetric unit and the symmetry operator -x,-y,z. A SER 6 A SER 6 HELX_P A GLY 21 A GLY 21 1 1 16 A SER 68 A SER 68 HELX_P A ASP 73 A ASP 73 1 2 6 B SER 6 B SER 6 HELX_P B GLY 21 B GLY 21 1 3 16 B SER 68 B SER 68 HELX_P B ASP 73 B ASP 73 1 4 6 metalc 2.808 A CYS 35 A SG CYS 35 4_775 A HG 119 C HG HG 1_555 metalc 2.773 B CYS 35 B SG CYS 35 4_775 B HG 119 D HG HG 1_555 METAL TRANSPORT TETRAMERIC, BETA BARREL, IRON-SULFUR CLUSTER PROTEIN, PSEUDO-SYMMETRIC MOTIFS, METAL TRANSPORT A A A MET 1 A MET 1 A ASP 97 A ASP 97 1 B MET 1 B MET 1 B ASP 97 B ASP 97 1 YFHF_ECOLI UNP 1 1 P0AAC8 MSITLSDSAAARVNTFLANRGKGFGLRLGVRTSGCSGMAYVLEFVDEPTPEDIVFEDKGVKVVVDGKSLQFLDGTQLDFV KEGLNEGFKFTNPNVKDECGCGESF 1 105 1R94 1 105 P0AAC8 A 1 1 105 1 105 1R94 1 105 P0AAC8 B 1 1 105 1 cloning artifact LYS 106 1R94 A P0AAC8 UNP 106 1 cloning artifact LEU 107 1R94 A P0AAC8 UNP 107 1 cloning artifact ALA 108 1R94 A P0AAC8 UNP 108 1 cloning artifact ALA 109 1R94 A P0AAC8 UNP 109 1 cloning artifact ALA 110 1R94 A P0AAC8 UNP 110 1 cloning artifact LEU 111 1R94 A P0AAC8 UNP 111 1 cloning artifact ASP 112 1R94 A P0AAC8 UNP 112 1 expression tag HIS 113 1R94 A P0AAC8 UNP 113 1 expression tag HIS 114 1R94 A P0AAC8 UNP 114 1 expression tag HIS 115 1R94 A P0AAC8 UNP 115 1 expression tag HIS 116 1R94 A P0AAC8 UNP 116 1 expression tag HIS 117 1R94 A P0AAC8 UNP 117 1 expression tag HIS 118 1R94 A P0AAC8 UNP 118 2 cloning artifact LYS 106 1R94 B P0AAC8 UNP 106 2 cloning artifact LEU 107 1R94 B P0AAC8 UNP 107 2 cloning artifact ALA 108 1R94 B P0AAC8 UNP 108 2 cloning artifact ALA 109 1R94 B P0AAC8 UNP 109 2 cloning artifact ALA 110 1R94 B P0AAC8 UNP 110 2 cloning artifact LEU 111 1R94 B P0AAC8 UNP 111 2 cloning artifact ASP 112 1R94 B P0AAC8 UNP 112 2 expression tag HIS 113 1R94 B P0AAC8 UNP 113 2 expression tag HIS 114 1R94 B P0AAC8 UNP 114 2 expression tag HIS 115 1R94 B P0AAC8 UNP 115 2 expression tag HIS 116 1R94 B P0AAC8 UNP 116 2 expression tag HIS 117 1R94 B P0AAC8 UNP 117 2 expression tag HIS 118 1R94 B P0AAC8 UNP 118 3 4 3 4 parallel anti-parallel anti-parallel parallel anti-parallel parallel anti-parallel anti-parallel parallel anti-parallel A THR 4 A THR 4 A LEU 5 A LEU 5 A GLN 76 A GLN 76 A GLU 82 A GLU 82 A ASN 85 A ASN 85 A THR 91 A THR 91 A MET 38 A MET 38 A VAL 45 A VAL 45 A GLY 25 A GLY 25 A THR 32 A THR 32 A VAL 60 A VAL 60 A ASP 65 A ASP 65 A ASP 52 A ASP 52 A ASP 57 A ASP 57 B THR 4 B THR 4 B LEU 5 B LEU 5 B GLN 76 B GLN 76 B GLU 82 B GLU 82 B ASN 85 B ASN 85 B THR 91 B THR 91 B MET 38 B MET 38 B VAL 45 B VAL 45 B GLY 25 B GLY 25 B THR 32 B THR 32 B VAL 60 B VAL 60 B ASP 65 B ASP 65 B ASP 52 B ASP 52 B ASP 57 B ASP 57 BINDING SITE FOR RESIDUE HG A 119 A HG 119 Software 2 BINDING SITE FOR RESIDUE HG B 119 B HG 119 Software 1 A CYS 35 A CYS 35 2 4_775 A GLU 82 A GLU 82 2 1_555 B CYS 35 B CYS 35 1 4_775 171 P 62