0.012266 0.000000 0.000000 0.000000 0.011698 0.000000 0.000000 0.000000 0.007718 0.00000 0.00000 0.00000 Shi, N. Ye, S. Alam, A. Chen, L. Jiang, Y. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 16 90.00 90.00 90.00 81.528 85.482 129.572 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 Ca 2 40.078 CALCIUM 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 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 Na 1 22.990 SODIUM ION non-polymer 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 CA N 75 N N N 76 R C N 77 N C N 78 N O N 79 N C N 80 N S N 81 N O 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 H N 89 N N N 90 S C N 91 N C N 92 N O N 93 N C N 94 N C N 95 N C N 96 N O N 97 N N N 98 N O 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 H N 109 N N N 110 S C N 111 N C N 112 N O N 113 N C N 114 N C N 115 N C N 116 N O N 117 N O N 118 N O 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 H N 128 N N N 129 N C N 130 N C N 131 N O N 132 N O N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H 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 NA N 252 N N N 253 S C N 254 N C N 255 N O N 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C Y 261 N C Y 262 N C N 263 N O 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 H N 275 N N N 276 S C N 277 N C N 278 N O N 279 N C N 280 N C N 281 N C N 282 N O 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 H N 292 N N N 293 S C N 294 N C N 295 N O N 296 N C N 297 N O 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 N N 307 S C N 308 N C N 309 N O N 310 R C N 311 N O N 312 N C N 313 N O 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 H N 323 N N N 324 S C N 325 N C N 326 N O N 327 N C Y 328 N C Y 329 N C Y 330 N C Y 331 N N Y 332 N C Y 333 N C Y 334 N C Y 335 N C Y 336 N C N 337 N O 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 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 Y 355 N C Y 356 N C Y 357 N C Y 358 N C Y 359 N C Y 360 N C N 361 N O N 362 N O N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N H N 370 N H N 371 N H N 372 N H N 373 N H N 374 N N N 375 S C N 376 N C N 377 N O N 378 N C N 379 N C N 380 N C N 381 N O N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 N H N 389 N H N 390 N H N 391 N H N 392 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 Y 322 N sing Y 323 N sing N 324 N sing Y 325 N sing Y 326 N doub N 327 N sing Y 328 N doub N 329 N sing Y 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 sing N 337 N sing N 338 N sing N 339 N sing N 340 N doub N 341 N sing N 342 N sing N 343 N sing N 344 N sing Y 345 N doub Y 346 N sing Y 347 N sing N 348 N sing Y 349 N doub N 350 N sing Y 351 N doub N 352 N sing Y 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 doub N 365 N sing N 366 N sing 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 UK Nature NATUAS 0006 0028-0836 440 570 574 10.1038/nature04508 16467789 Atomic structure of a Na+- and K+-conducting channel. 2006 10.2210/pdb2ahy/pdb pdb_00002ahy 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 CCD 2005-02-11 ADSC QUANTUM 4 SINGLE WAVELENGTH M x-ray 1 0.9791 1.0 19-ID APS 0.9791 SYNCHROTRON APS BEAMLINE 19-ID 12362.695 Potassium channel protein 2 man polymer 22.990 SODIUM ION 4 syn non-polymer 40.078 CALCIUM ION 1 syn non-polymer 18.015 water 19 nat water no no MLSFLLTLKRMLRACLRAWKDKEFQVLFVLTILTLISGTIFYSTVEGLRPIDALYFSVVTLTTVGDGNFSPQTDFGKIFT ILYIFIGIGLVFGFIHKLAVNVQLPSILSN MLSFLLTLKRMLRACLRAWKDKEFQVLFVLTILTLISGTIFYSTVEGLRPIDALYFSVVTLTTVGDGNFSPQTDFGKIFT ILYIFIGIGLVFGFIHKLAVNVQLPSILSN 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 Bacillus Escherichia sample 1396 Bacillus cereus 562 Escherichia coli XL-1 BLUE PLASMID pQE 60 3 4.38 72.00 8.00 PEG 400, NaCl, CaCl2, Tris.HCl, t-butanol, n-Decyl-beta-D-maltopyranoside, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293 K, pH 8.00 293 chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_site repository Initial release Version format compliance Derived calculations Version format compliance Data collection Database references Derived calculations 1 0 2006-02-07 1 1 2008-04-30 1 2 2011-07-13 1 3 2024-02-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_asym_id _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.ptnr1_symmetry _pdbx_struct_conn_angle.ptnr2_auth_comp_id _pdbx_struct_conn_angle.ptnr2_auth_seq_id _pdbx_struct_conn_angle.ptnr2_label_asym_id _pdbx_struct_conn_angle.ptnr2_label_atom_id _pdbx_struct_conn_angle.ptnr2_label_comp_id _pdbx_struct_conn_angle.ptnr3_auth_asym_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.ptnr3_symmetry _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.ptnr1_symmetry _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_conn.ptnr2_symmetry _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id K+ complex of the NaK Channel RCSB Y RCSB 2005-07-28 REL REL NA SODIUM ION CA CALCIUM ION HOH water NA 101 2 NA NA 111 A NA 102 2 NA NA 112 A NA 103 2 NA NA 113 A CA 104 3 CA CA 114 A NA 105 2 NA NA 115 A HOH 2 4 HOH HOH 116 A HOH 3 4 HOH HOH 117 A HOH 4 4 HOH HOH 118 A HOH 9 4 HOH HOH 119 A HOH 10 4 HOH HOH 120 A HOH 20 4 HOH HOH 121 A HOH 5 4 HOH HOH 111 B HOH 6 4 HOH HOH 112 B HOH 7 4 HOH HOH 113 B HOH 8 4 HOH HOH 114 B HOH 11 4 HOH HOH 115 B HOH 12 4 HOH HOH 116 B HOH 13 4 HOH HOH 117 B HOH 14 4 HOH HOH 118 B HOH 15 4 HOH HOH 119 B HOH 16 4 HOH HOH 120 B HOH 17 4 HOH HOH 121 B HOH 18 4 HOH HOH 122 B HOH 19 4 HOH HOH 123 B MET 1 n 1 MET 1 A LEU 2 n 2 LEU 2 A SER 3 n 3 SER 3 A PHE 4 n 4 PHE 4 A LEU 5 n 5 LEU 5 A LEU 6 n 6 LEU 6 A THR 7 n 7 THR 7 A LEU 8 n 8 LEU 8 A LYS 9 n 9 LYS 9 A ARG 10 n 10 ARG 10 A MET 11 n 11 MET 11 A LEU 12 n 12 LEU 12 A ARG 13 n 13 ARG 13 A ALA 14 n 14 ALA 14 A CYS 15 n 15 CYS 15 A LEU 16 n 16 LEU 16 A ARG 17 n 17 ARG 17 A ALA 18 n 18 ALA 18 A TRP 19 n 19 TRP 19 A LYS 20 n 20 LYS 20 A ASP 21 n 21 ASP 21 A LYS 22 n 22 LYS 22 A GLU 23 n 23 GLU 23 A PHE 24 n 24 PHE 24 A GLN 25 n 25 GLN 25 A VAL 26 n 26 VAL 26 A LEU 27 n 27 LEU 27 A PHE 28 n 28 PHE 28 A VAL 29 n 29 VAL 29 A LEU 30 n 30 LEU 30 A THR 31 n 31 THR 31 A ILE 32 n 32 ILE 32 A LEU 33 n 33 LEU 33 A THR 34 n 34 THR 34 A LEU 35 n 35 LEU 35 A ILE 36 n 36 ILE 36 A SER 37 n 37 SER 37 A GLY 38 n 38 GLY 38 A THR 39 n 39 THR 39 A ILE 40 n 40 ILE 40 A PHE 41 n 41 PHE 41 A TYR 42 n 42 TYR 42 A SER 43 n 43 SER 43 A THR 44 n 44 THR 44 A VAL 45 n 45 VAL 45 A GLU 46 n 46 GLU 46 A GLY 47 n 47 GLY 47 A LEU 48 n 48 LEU 48 A ARG 49 n 49 ARG 49 A PRO 50 n 50 PRO 50 A ILE 51 n 51 ILE 51 A ASP 52 n 52 ASP 52 A ALA 53 n 53 ALA 53 A LEU 54 n 54 LEU 54 A TYR 55 n 55 TYR 55 A PHE 56 n 56 PHE 56 A SER 57 n 57 SER 57 A VAL 58 n 58 VAL 58 A VAL 59 n 59 VAL 59 A THR 60 n 60 THR 60 A LEU 61 n 61 LEU 61 A THR 62 n 62 THR 62 A THR 63 n 63 THR 63 A VAL 64 n 64 VAL 64 A GLY 65 n 65 GLY 65 A ASP 66 n 66 ASP 66 A GLY 67 n 67 GLY 67 A ASN 68 n 68 ASN 68 A PHE 69 n 69 PHE 69 A SER 70 n 70 SER 70 A PRO 71 n 71 PRO 71 A GLN 72 n 72 GLN 72 A THR 73 n 73 THR 73 A ASP 74 n 74 ASP 74 A PHE 75 n 75 PHE 75 A GLY 76 n 76 GLY 76 A LYS 77 n 77 LYS 77 A ILE 78 n 78 ILE 78 A PHE 79 n 79 PHE 79 A THR 80 n 80 THR 80 A ILE 81 n 81 ILE 81 A LEU 82 n 82 LEU 82 A TYR 83 n 83 TYR 83 A ILE 84 n 84 ILE 84 A PHE 85 n 85 PHE 85 A ILE 86 n 86 ILE 86 A GLY 87 n 87 GLY 87 A ILE 88 n 88 ILE 88 A GLY 89 n 89 GLY 89 A LEU 90 n 90 LEU 90 A VAL 91 n 91 VAL 91 A PHE 92 n 92 PHE 92 A GLY 93 n 93 GLY 93 A PHE 94 n 94 PHE 94 A ILE 95 n 95 ILE 95 A HIS 96 n 96 HIS 96 A LYS 97 n 97 LYS 97 A LEU 98 n 98 LEU 98 A ALA 99 n 99 ALA 99 A VAL 100 n 100 VAL 100 A ASN 101 n 101 ASN 101 A VAL 102 n 102 VAL 102 A GLN 103 n 103 GLN 103 A LEU 104 n 104 LEU 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 MET 1 n 1 MET 1 B LEU 2 n 2 LEU 2 B SER 3 n 3 SER 3 B PHE 4 n 4 PHE 4 B LEU 5 n 5 LEU 5 B LEU 6 n 6 LEU 6 B THR 7 n 7 THR 7 B LEU 8 n 8 LEU 8 B LYS 9 n 9 LYS 9 B ARG 10 n 10 ARG 10 B MET 11 n 11 MET 11 B LEU 12 n 12 LEU 12 B ARG 13 n 13 ARG 13 B ALA 14 n 14 ALA 14 B CYS 15 n 15 CYS 15 B LEU 16 n 16 LEU 16 B ARG 17 n 17 ARG 17 B ALA 18 n 18 ALA 18 B TRP 19 n 19 TRP 19 B LYS 20 n 20 LYS 20 B ASP 21 n 21 ASP 21 B LYS 22 n 22 LYS 22 B GLU 23 n 23 GLU 23 B PHE 24 n 24 PHE 24 B GLN 25 n 25 GLN 25 B VAL 26 n 26 VAL 26 B LEU 27 n 27 LEU 27 B PHE 28 n 28 PHE 28 B VAL 29 n 29 VAL 29 B LEU 30 n 30 LEU 30 B THR 31 n 31 THR 31 B ILE 32 n 32 ILE 32 B LEU 33 n 33 LEU 33 B THR 34 n 34 THR 34 B LEU 35 n 35 LEU 35 B ILE 36 n 36 ILE 36 B SER 37 n 37 SER 37 B GLY 38 n 38 GLY 38 B THR 39 n 39 THR 39 B ILE 40 n 40 ILE 40 B PHE 41 n 41 PHE 41 B TYR 42 n 42 TYR 42 B SER 43 n 43 SER 43 B THR 44 n 44 THR 44 B VAL 45 n 45 VAL 45 B GLU 46 n 46 GLU 46 B GLY 47 n 47 GLY 47 B LEU 48 n 48 LEU 48 B ARG 49 n 49 ARG 49 B PRO 50 n 50 PRO 50 B ILE 51 n 51 ILE 51 B ASP 52 n 52 ASP 52 B ALA 53 n 53 ALA 53 B LEU 54 n 54 LEU 54 B TYR 55 n 55 TYR 55 B PHE 56 n 56 PHE 56 B SER 57 n 57 SER 57 B VAL 58 n 58 VAL 58 B VAL 59 n 59 VAL 59 B THR 60 n 60 THR 60 B LEU 61 n 61 LEU 61 B THR 62 n 62 THR 62 B THR 63 n 63 THR 63 B VAL 64 n 64 VAL 64 B GLY 65 n 65 GLY 65 B ASP 66 n 66 ASP 66 B GLY 67 n 67 GLY 67 B ASN 68 n 68 ASN 68 B PHE 69 n 69 PHE 69 B SER 70 n 70 SER 70 B PRO 71 n 71 PRO 71 B GLN 72 n 72 GLN 72 B THR 73 n 73 THR 73 B ASP 74 n 74 ASP 74 B PHE 75 n 75 PHE 75 B GLY 76 n 76 GLY 76 B LYS 77 n 77 LYS 77 B ILE 78 n 78 ILE 78 B PHE 79 n 79 PHE 79 B THR 80 n 80 THR 80 B ILE 81 n 81 ILE 81 B LEU 82 n 82 LEU 82 B TYR 83 n 83 TYR 83 B ILE 84 n 84 ILE 84 B PHE 85 n 85 PHE 85 B ILE 86 n 86 ILE 86 B GLY 87 n 87 GLY 87 B ILE 88 n 88 ILE 88 B GLY 89 n 89 GLY 89 B LEU 90 n 90 LEU 90 B VAL 91 n 91 VAL 91 B PHE 92 n 92 PHE 92 B GLY 93 n 93 GLY 93 B PHE 94 n 94 PHE 94 B ILE 95 n 95 ILE 95 B HIS 96 n 96 HIS 96 B LYS 97 n 97 LYS 97 B LEU 98 n 98 LEU 98 B ALA 99 n 99 ALA 99 B VAL 100 n 100 VAL 100 B ASN 101 n 101 ASN 101 B VAL 102 n 102 VAL 102 B GLN 103 n 103 GLN 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 author_and_software_defined_assembly PISA,PQS 4 tetrameric 10610 -155 20170 A THR 63 A O THR 63 1_555 A NA 111 C NA NA 1_555 A VAL 64 A O VAL 64 1_555 70.5 A THR 63 A O THR 63 1_555 A NA 111 C NA NA 1_555 B THR 63 B O THR 63 1_555 70.3 A VAL 64 A O VAL 64 1_555 A NA 111 C NA NA 1_555 B THR 63 B O THR 63 1_555 75.8 A THR 63 A O THR 63 1_555 A NA 111 C NA NA 1_555 B VAL 64 B O VAL 64 1_555 137.1 A VAL 64 A O VAL 64 1_555 A NA 111 C NA NA 1_555 B VAL 64 B O VAL 64 1_555 82.6 B THR 63 B O THR 63 1_555 A NA 111 C NA NA 1_555 B VAL 64 B O VAL 64 1_555 71.0 A THR 63 A OG1 THR 63 1_555 A NA 112 D NA NA 1_555 B THR 63 B OG1 THR 63 1_555 88.9 A GLY 67 A O GLY 67 1_555 A CA 114 F CA CA 1_555 A GLY 67 A O GLY 67 4_566 132.4 A GLY 67 A O GLY 67 1_555 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 1_555 78.6 A GLY 67 A O GLY 67 4_566 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 1_555 82.6 A GLY 67 A O GLY 67 1_555 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 4_566 82.9 A GLY 67 A O GLY 67 4_566 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 4_566 78.5 B GLY 67 B O GLY 67 1_555 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 4_566 132.6 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_566 x,-y+1,-z+1 crystal symmetry operation 0.0000000000 85.4820000000 129.5720000000 1 A NA 111 C NA 1 A NA 112 D NA 1 A NA 113 E NA 1 A CA 114 F CA 1 A NA 115 G NA 1 A HOH 116 H HOH 1 A HOH 117 H HOH 1 A HOH 118 H HOH 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 PRO 105 A PRO 105 1 Y 1 A SER 106 A SER 106 1 Y 1 A ILE 107 A ILE 107 1 Y 1 A LEU 108 A LEU 108 1 Y 1 A SER 109 A SER 109 1 Y 1 A ASN 110 A ASN 110 1 Y 1 B LEU 104 B LEU 104 1 Y 1 B PRO 105 B PRO 105 1 Y 1 B SER 106 B SER 106 1 Y 1 B ILE 107 B ILE 107 1 Y 1 B LEU 108 B LEU 108 1 Y 1 B SER 109 B SER 109 1 Y 1 B ASN 110 B ASN 110 1 Y 1 B TRP 19 -67.26 10.81 PROTEIN_REP.PARAM PROTEIN.TOP ION.PARAM WATER.TOP WATER_REP.PARAM ION.TOP 73.43 0.60300 0.00000 0.00000 -0.87400 0.00000 0.27100 0.261 0.236 0.236 2.40 19.70 1734 18069 17645 9.600 97.7 RANDOM 1 RESTRAINED THROUGHOUT 0.000 SIRAS ENGH & HUBER FLAT MODEL 74.68 0.33 0.36 0.31 5.00 0.31 0.25 2.40 19.70 19 1670 5 0 1646 0.006 1.14 17.47 0.69 5.750 7.216 9.206 11.047 0.368 0.3099 2.49 138 1407 10 8.93 84.10 59.504 2.400 19.700 2AHY 17824 0.045 0.045 1 35.0000 5.000 97.6 0.555 2.40 2.49 1.800 0.555 1 3.40 84.1 data collection HKL-2000 data scaling SCALEPACK phasing MLPHARE refinement CNS 1.1 data reduction HKL-2000 Na+ complex of the NaK Channel 1 N N 1 N N 2 N N 2 N N 2 N N 3 N N 2 N N 4 N N 4 N N the biological assembly is a tetramer generated from the dimer in the asymmetric unit by the crystallographic two fold: x , -y , -z A MET 1 A MET 1 HELX_P A TRP 19 A TRP 19 1 1 19 A ASP 21 A ASP 21 HELX_P A VAL 45 A VAL 45 1 2 25 A ARG 49 A ARG 49 HELX_P A THR 62 A THR 62 1 3 14 A THR 73 A THR 73 HELX_P A LEU 104 A LEU 104 1 4 32 B MET 1 B MET 1 HELX_P B ARG 17 B ARG 17 1 5 17 B ASP 21 B ASP 21 HELX_P B VAL 45 B VAL 45 1 6 25 B ARG 49 B ARG 49 HELX_P B THR 62 B THR 62 1 7 14 B THR 73 B THR 73 HELX_P B ASN 101 B ASN 101 1 8 29 metalc 2.724 A THR 63 A O THR 63 1_555 A NA 111 C NA NA 1_555 metalc 2.610 A THR 63 A OG1 THR 63 1_555 A NA 112 D NA NA 1_555 metalc 2.726 A VAL 64 A O VAL 64 1_555 A NA 111 C NA NA 1_555 metalc 2.199 A GLY 67 A O GLY 67 1_555 A CA 114 F CA CA 1_555 metalc 2.208 A GLY 67 A O GLY 67 4_566 A CA 114 F CA CA 1_555 metalc 2.726 A NA 111 C NA NA 1_555 B THR 63 B O THR 63 1_555 metalc 2.790 A NA 111 C NA NA 1_555 B VAL 64 B O VAL 64 1_555 metalc 2.681 A NA 112 D NA NA 1_555 B THR 63 B OG1 THR 63 1_555 metalc 2.239 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 1_555 metalc 2.236 A CA 114 F CA CA 1_555 B GLY 67 B O GLY 67 4_566 TRANSPORT PROTEIN inverted teepee, helix bundle, tetramer, central cavity, ion binding, TRANSPORT PROTEIN AAP07683 GB 1 1 29894393 MLSFLLTLKRMLRACLRAWKDKEFQVLFVLTILTLISGTIFYSTVEGLRPIDALYFSVVTLTTVGDGNFSPQTDFGKIFT ILYIFIGIGLVFGFIHKLAVNVQLPSILSN 1 110 2AHY 1 110 29894393 A 1 1 110 1 110 2AHY 1 110 29894393 B 1 1 110 BINDING SITE FOR RESIDUE NA A 111 A NA 111 Software 8 BINDING SITE FOR RESIDUE NA A 112 A NA 112 Software 4 BINDING SITE FOR RESIDUE CA A 114 A CA 114 Software 4 A THR 63 A THR 63 8 1_555 A THR 63 A THR 63 8 4_566 A VAL 64 A VAL 64 8 4_566 A VAL 64 A VAL 64 8 1_555 B THR 63 B THR 63 8 1_555 B THR 63 B THR 63 8 4_566 B VAL 64 B VAL 64 8 1_555 B VAL 64 B VAL 64 8 4_566 A THR 63 A THR 63 4 1_555 A THR 63 A THR 63 4 4_566 B THR 63 B THR 63 4 4_566 B THR 63 B THR 63 4 1_555 A GLY 67 A GLY 67 4 1_555 A GLY 67 A GLY 67 4 4_566 B GLY 67 B GLY 67 4 1_555 B GLY 67 B GLY 67 4 4_566 20 C 2 2 21