0.014591 0.000000 0.000000 0.000000 0.014591 0.000000 0.000000 0.000000 0.011645 0.00000 0.00000 0.00000 Cronk, J.D. Endrizzi, J.A. Cronk, M.R. O'Neill, J.W. Zhang, K.Y.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 68.535 68.535 85.877 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 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 Zn 2 65.409 ZINC ION non-polymer 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 N N 138 S C N 139 N C N 140 N O N 141 N C Y 142 N C Y 143 N N Y 144 N C Y 145 N C Y 146 N N N 147 N O N 148 N H 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 O N 159 N H N 160 N H N 161 N N N 162 S C N 163 N C N 164 N O N 165 S C N 166 N C N 167 N C N 168 N C N 169 N O N 170 N H 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 N N 184 S C N 185 N C N 186 N O N 187 N C N 188 N C N 189 N C N 190 N C N 191 N O N 192 N H 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 N N 206 S C N 207 N C N 208 N O N 209 N C N 210 N C N 211 N C N 212 N C N 213 N N N 214 N O N 215 N H 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 N N 231 S C N 232 N C N 233 N O N 234 N C N 235 N C N 236 N S N 237 N C N 238 N O N 239 N H 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 N N 251 S C N 252 N C N 253 N O N 254 N C Y 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C N 261 N O N 262 N H 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 N N 274 S C N 275 N C N 276 N O N 277 N C N 278 N C N 279 N C N 280 N O N 281 N H 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 N N 291 S C N 292 N C N 293 N O N 294 N C N 295 N O N 296 N O N 297 N H 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 N N 305 S C N 306 N C N 307 N O N 308 R C N 309 N O N 310 N C N 311 N O N 312 N H 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 N N 322 S C N 323 N C N 324 N O N 325 N C Y 326 N C Y 327 N C Y 328 N C Y 329 N N Y 330 N C Y 331 N C Y 332 N C Y 333 N C Y 334 N C N 335 N O 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 H N 347 N H N 348 N N N 349 S C N 350 N C N 351 N O N 352 N C Y 353 N C Y 354 N C Y 355 N C Y 356 N C Y 357 N C Y 358 N C N 359 N O N 360 N O N 361 N H N 362 N H 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 N N 373 S C N 374 N C N 375 N O N 376 N C N 377 N C N 378 N C N 379 N O N 380 N H N 381 N H 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 ZN 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 US Protein Sci. PRCIEI 0795 0961-8368 10 911 922 10.1110/ps.46301 11316870 Crystal structure of E. coli beta-carbonic anhydrase, an enzyme with an unusual pH-dependent activity. 2001 DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 52 1176 1179 10.1107/S0907444900008519 Cloning, crystallization and preliminary characterization of a beta carbonic anhydrase from Escherichia coli 2000 10.2210/pdb1i6p/pdb pdb_00001i6p 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 291 1 mirrors IMAGE PLATE 1999-04-08 RIGAKU RAXIS IV mirrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU200 25130.779 CARBONIC ANHYDRASE 4.2.1.1 1 man polymer 65.409 ZINC ION 1 syn non-polymer 18.015 water 62 nat water no no MKDIDTLISNNALWSKMLVEEDPGFFEKLAQAQKPRFLWIGCSDSRVPAERLTGLEPGELFVHRNVANLVIHTDLNCLSV VQYAVDVLEVEHIIICGHYGCGGVQAAVENPELGLINNWLLHIRDIWFKHSSLLGEMPQERRLDTLCELNVMEQVYNLGH STIMQSAWKRGQKVTIHGWAYGIHDGLLRDLDVTATNRETLEQRYRHGISNLKLKHANHK MKDIDTLISNNALWSKMLVEEDPGFFEKLAQAQKPRFLWIGCSDSRVPAERLTGLEPGELFVHRNVANLVIHTDLNCLSV VQYAVDVLEVEHIIICGHYGCGGVQAAVENPELGLINNWLLHIRDIWFKHSSLLGEMPQERRLDTLCELNVMEQVYNLGH STIMQSAWKRGQKVTIHGWAYGIHDGLLRDLDVTATNRETLEQRYRHGISNLKLKHANHK 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 Escherichia Escherichia Escherichia coli sample YADF 562 Escherichia coli 511693 Escherichia coli BL21 BL21 PLASMID PET3A 1 2.009 36.4 VAPOR DIFFUSION, HANGING DROP 6.3 ammonium sulfate, MES pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K 293 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model 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 Refinement description 1 0 2001-05-09 1 1 2008-04-27 1 2 2011-07-13 1 3 2023-08-09 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_seq_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_conn.ptnr2_label_seq_id _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id CRYSTAL STRUCTURE OF E. COLI BETA CARBONIC ANHYDRASE (ECCA) IN A DIFFERENT SPACE GROUP, P4322, SOLVED TO 2.2A RESOLUTION DENSITY FOR THE FOLLOWING ATOMS WITHIN THE MAIN CHAIN IS RELATIVELY WEAK AND LIKELY REFLECTS INCREASED LOCAL CONFORMATIONAL FLEXIBILITY OF THE MAIN CHAIN IN THIS REGION. GLN A 31 CA ALA A 32 N ALA A 32 CA DENSITY FOR THE SIDE CHAINS OF THE LISTED RESIDUES IS RELATIVELY POORLY DEFINED. THE MODEL REPRESENTS THE MOST PROBABLE CONFORMATIONS FOR THESE RESIDUES BASED ON THE OBSERVED DENSITY. GLU A 20 GLU A 21 LYS A 28 LEU A 29 GLN A 31 ALA A 32 GLN A 33 LYS A 34 GLU A 112 GLU A 140 ARG A 141 LYS A 169 LYS A 173 ARG A 189 ARG A 198 GLU A 199 LYS A 213 LEU A 214 LYS A 215 RCSB Y RCSB 2001-03-02 REL ZN ZINC ION HOH water 1I6O PDB ENTRY 1I6O PDB experimental model ZN2 221 2 ZN ZN 301 A WAT 1 3 HOH HOH 302 A WAT 2 3 HOH HOH 303 A WAT 3 3 HOH HOH 304 A WAT 4 3 HOH HOH 305 A WAT 5 3 HOH HOH 306 A WAT 6 3 HOH HOH 307 A WAT 7 3 HOH HOH 308 A WAT 8 3 HOH HOH 309 A WAT 9 3 HOH HOH 310 A WAT 10 3 HOH HOH 311 A WAT 11 3 HOH HOH 312 A WAT 12 3 HOH HOH 313 A WAT 13 3 HOH HOH 314 A WAT 14 3 HOH HOH 315 A WAT 15 3 HOH HOH 316 A WAT 16 3 HOH HOH 317 A WAT 17 3 HOH HOH 318 A WAT 18 3 HOH HOH 319 A WAT 19 3 HOH HOH 320 A WAT 20 3 HOH HOH 321 A WAT 21 3 HOH HOH 322 A WAT 22 3 HOH HOH 323 A WAT 23 3 HOH HOH 324 A WAT 24 3 HOH HOH 325 A WAT 25 3 HOH HOH 326 A WAT 26 3 HOH HOH 327 A WAT 27 3 HOH HOH 328 A WAT 28 3 HOH HOH 329 A WAT 29 3 HOH HOH 330 A WAT 30 3 HOH HOH 331 A WAT 31 3 HOH HOH 332 A WAT 32 3 HOH HOH 333 A WAT 33 3 HOH HOH 334 A WAT 34 3 HOH HOH 335 A WAT 35 3 HOH HOH 336 A WAT 36 3 HOH HOH 337 A WAT 37 3 HOH HOH 338 A WAT 38 3 HOH HOH 339 A WAT 39 3 HOH HOH 340 A WAT 40 3 HOH HOH 341 A WAT 41 3 HOH HOH 342 A WAT 42 3 HOH HOH 343 A WAT 43 3 HOH HOH 344 A WAT 44 3 HOH HOH 345 A WAT 45 3 HOH HOH 346 A WAT 46 3 HOH HOH 347 A WAT 47 3 HOH HOH 348 A WAT 48 3 HOH HOH 349 A WAT 49 3 HOH HOH 350 A WAT 50 3 HOH HOH 351 A WAT 51 3 HOH HOH 352 A WAT 52 3 HOH HOH 353 A WAT 53 3 HOH HOH 354 A WAT 54 3 HOH HOH 355 A WAT 55 3 HOH HOH 356 A WAT 56 3 HOH HOH 357 A WAT 57 3 HOH HOH 358 A WAT 58 3 HOH HOH 359 A WAT 59 3 HOH HOH 360 A WAT 60 3 HOH HOH 361 A WAT 61 3 HOH HOH 362 A WAT 62 3 HOH HOH 363 A n 1 1 A LYS 2 n 2 LYS 2 A ASP 3 n 3 ASP 3 A ILE 4 n 4 ILE 4 A ASP 5 n 5 ASP 5 A THR 6 n 6 THR 6 A LEU 7 n 7 LEU 7 A ILE 8 n 8 ILE 8 A SER 9 n 9 SER 9 A ASN 10 n 10 ASN 10 A ASN 11 n 11 ASN 11 A ALA 12 n 12 ALA 12 A LEU 13 n 13 LEU 13 A TRP 14 n 14 TRP 14 A SER 15 n 15 SER 15 A LYS 16 n 16 LYS 16 A MET 17 n 17 MET 17 A LEU 18 n 18 LEU 18 A VAL 19 n 19 VAL 19 A GLU 20 n 20 GLU 20 A GLU 21 n 21 GLU 21 A ASP 22 n 22 ASP 22 A PRO 23 n 23 PRO 23 A GLY 24 n 24 GLY 24 A PHE 25 n 25 PHE 25 A PHE 26 n 26 PHE 26 A GLU 27 n 27 GLU 27 A LYS 28 n 28 LYS 28 A LEU 29 n 29 LEU 29 A ALA 30 n 30 ALA 30 A GLN 31 n 31 GLN 31 A ALA 32 n 32 ALA 32 A GLN 33 n 33 GLN 33 A LYS 34 n 34 LYS 34 A PRO 35 n 35 PRO 35 A ARG 36 n 36 ARG 36 A PHE 37 n 37 PHE 37 A LEU 38 n 38 LEU 38 A TRP 39 n 39 TRP 39 A ILE 40 n 40 ILE 40 A GLY 41 n 41 GLY 41 A CYS 42 n 42 CYS 42 A SER 43 n 43 SER 43 A ASP 44 n 44 ASP 44 A SER 45 n 45 SER 45 A ARG 46 n 46 ARG 46 A VAL 47 n 47 VAL 47 A PRO 48 n 48 PRO 48 A ALA 49 n 49 ALA 49 A GLU 50 n 50 GLU 50 A ARG 51 n 51 ARG 51 A LEU 52 n 52 LEU 52 A THR 53 n 53 THR 53 A GLY 54 n 54 GLY 54 A LEU 55 n 55 LEU 55 A GLU 56 n 56 GLU 56 A PRO 57 n 57 PRO 57 A GLY 58 n 58 GLY 58 A GLU 59 n 59 GLU 59 A LEU 60 n 60 LEU 60 A PHE 61 n 61 PHE 61 A VAL 62 n 62 VAL 62 A HIS 63 n 63 HIS 63 A ARG 64 n 64 ARG 64 A ASN 65 n 65 ASN 65 A VAL 66 n 66 VAL 66 A ALA 67 n 67 ALA 67 A ASN 68 n 68 ASN 68 A LEU 69 n 69 LEU 69 A VAL 70 n 70 VAL 70 A ILE 71 n 71 ILE 71 A HIS 72 n 72 HIS 72 A THR 73 n 73 THR 73 A ASP 74 n 74 ASP 74 A LEU 75 n 75 LEU 75 A ASN 76 n 76 ASN 76 A CYS 77 n 77 CYS 77 A LEU 78 n 78 LEU 78 A SER 79 n 79 SER 79 A VAL 80 n 80 VAL 80 A VAL 81 n 81 VAL 81 A GLN 82 n 82 GLN 82 A TYR 83 n 83 TYR 83 A ALA 84 n 84 ALA 84 A VAL 85 n 85 VAL 85 A ASP 86 n 86 ASP 86 A VAL 87 n 87 VAL 87 A LEU 88 n 88 LEU 88 A GLU 89 n 89 GLU 89 A VAL 90 n 90 VAL 90 A GLU 91 n 91 GLU 91 A HIS 92 n 92 HIS 92 A ILE 93 n 93 ILE 93 A ILE 94 n 94 ILE 94 A ILE 95 n 95 ILE 95 A CYS 96 n 96 CYS 96 A GLY 97 n 97 GLY 97 A HIS 98 n 98 HIS 98 A TYR 99 n 99 TYR 99 A GLY 100 n 100 GLY 100 A CYS 101 n 101 CYS 101 A GLY 102 n 102 GLY 102 A GLY 103 n 103 GLY 103 A VAL 104 n 104 VAL 104 A GLN 105 n 105 GLN 105 A ALA 106 n 106 ALA 106 A ALA 107 n 107 ALA 107 A VAL 108 n 108 VAL 108 A GLU 109 n 109 GLU 109 A ASN 110 n 110 ASN 110 A PRO 111 n 111 PRO 111 A GLU 112 n 112 GLU 112 A LEU 113 n 113 LEU 113 A GLY 114 n 114 GLY 114 A LEU 115 n 115 LEU 115 A ILE 116 n 116 ILE 116 A ASN 117 n 117 ASN 117 A ASN 118 n 118 ASN 118 A TRP 119 n 119 TRP 119 A LEU 120 n 120 LEU 120 A LEU 121 n 121 LEU 121 A HIS 122 n 122 HIS 122 A ILE 123 n 123 ILE 123 A ARG 124 n 124 ARG 124 A ASP 125 n 125 ASP 125 A ILE 126 n 126 ILE 126 A TRP 127 n 127 TRP 127 A PHE 128 n 128 PHE 128 A LYS 129 n 129 LYS 129 A HIS 130 n 130 HIS 130 A SER 131 n 131 SER 131 A SER 132 n 132 SER 132 A LEU 133 n 133 LEU 133 A LEU 134 n 134 LEU 134 A GLY 135 n 135 GLY 135 A GLU 136 n 136 GLU 136 A MET 137 n 137 MET 137 A PRO 138 n 138 PRO 138 A GLN 139 n 139 GLN 139 A GLU 140 n 140 GLU 140 A ARG 141 n 141 ARG 141 A ARG 142 n 142 ARG 142 A LEU 143 n 143 LEU 143 A ASP 144 n 144 ASP 144 A THR 145 n 145 THR 145 A LEU 146 n 146 LEU 146 A CYS 147 n 147 CYS 147 A GLU 148 n 148 GLU 148 A LEU 149 n 149 LEU 149 A ASN 150 n 150 ASN 150 A VAL 151 n 151 VAL 151 A MET 152 n 152 MET 152 A GLU 153 n 153 GLU 153 A GLN 154 n 154 GLN 154 A VAL 155 n 155 VAL 155 A TYR 156 n 156 TYR 156 A ASN 157 n 157 ASN 157 A LEU 158 n 158 LEU 158 A GLY 159 n 159 GLY 159 A HIS 160 n 160 HIS 160 A SER 161 n 161 SER 161 A THR 162 n 162 THR 162 A ILE 163 n 163 ILE 163 A MET 164 n 164 MET 164 A GLN 165 n 165 GLN 165 A SER 166 n 166 SER 166 A ALA 167 n 167 ALA 167 A TRP 168 n 168 TRP 168 A LYS 169 n 169 LYS 169 A ARG 170 n 170 ARG 170 A GLY 171 n 171 GLY 171 A GLN 172 n 172 GLN 172 A LYS 173 n 173 LYS 173 A VAL 174 n 174 VAL 174 A THR 175 n 175 THR 175 A ILE 176 n 176 ILE 176 A HIS 177 n 177 HIS 177 A GLY 178 n 178 GLY 178 A TRP 179 n 179 TRP 179 A ALA 180 n 180 ALA 180 A TYR 181 n 181 TYR 181 A GLY 182 n 182 GLY 182 A ILE 183 n 183 ILE 183 A HIS 184 n 184 HIS 184 A ASP 185 n 185 ASP 185 A GLY 186 n 186 GLY 186 A LEU 187 n 187 LEU 187 A LEU 188 n 188 LEU 188 A ARG 189 n 189 ARG 189 A ASP 190 n 190 ASP 190 A LEU 191 n 191 LEU 191 A ASP 192 n 192 ASP 192 A VAL 193 n 193 VAL 193 A THR 194 n 194 THR 194 A ALA 195 n 195 ALA 195 A THR 196 n 196 THR 196 A ASN 197 n 197 ASN 197 A ARG 198 n 198 ARG 198 A GLU 199 n 199 GLU 199 A THR 200 n 200 THR 200 A LEU 201 n 201 LEU 201 A GLU 202 n 202 GLU 202 A GLN 203 n 203 GLN 203 A ARG 204 n 204 ARG 204 A TYR 205 n 205 TYR 205 A ARG 206 n 206 ARG 206 A HIS 207 n 207 HIS 207 A GLY 208 n 208 GLY 208 A ILE 209 n 209 ILE 209 A SER 210 n 210 SER 210 A ASN 211 n 211 ASN 211 A LEU 212 n 212 LEU 212 A LYS 213 n 213 LYS 213 A LEU 214 n 214 LEU 214 A LYS 215 n 215 LYS 215 A n 216 216 A n 217 217 A n 218 218 A n 219 219 A n 220 220 A author_and_software_defined_assembly PISA,PQS 4 tetrameric 15570 -83 33060 A CYS 42 A SG CYS 42 1_555 A ZN 301 B ZN ZN 1_555 A ASP 44 A OD2 ASP 44 1_555 99.8 A CYS 42 A SG CYS 42 1_555 A ZN 301 B ZN ZN 1_555 A HIS 98 A NE2 HIS 98 1_555 121.9 A ASP 44 A OD2 ASP 44 1_555 A ZN 301 B ZN ZN 1_555 A HIS 98 A NE2 HIS 98 1_555 100.3 A CYS 42 A SG CYS 42 1_555 A ZN 301 B ZN ZN 1_555 A CYS 101 A SG CYS 101 1_555 113.3 A ASP 44 A OD2 ASP 44 1_555 A ZN 301 B ZN ZN 1_555 A CYS 101 A SG CYS 101 1_555 112.2 A HIS 98 A NE2 HIS 98 1_555 A ZN 301 B ZN ZN 1_555 A CYS 101 A SG CYS 101 1_555 108.1 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 2_575 -x,-y+2,z crystal symmetry operation 0.0000000000 137.0700000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 7_466 y-1,x+1,-z+1 crystal symmetry operation -68.5350000000 68.5350000000 85.8770000000 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 8_666 -y+1,-x+1,-z+1 crystal symmetry operation 68.5350000000 68.5350000000 85.8770000000 A N PHE 61 A N PHE 61 A O PHE 37 A O PHE 37 A N LEU 38 A N LEU 38 A O HIS 92 A O HIS 92 A N ILE 93 A N ILE 93 A O THR 175 A O THR 175 A O ALA 180 A O ALA 180 A N ARG 189 A N ARG 189 1 A MET 1 A MET 1 1 Y 1 A HIS 216 A HIS 216 1 Y 1 A ALA 217 A ALA 217 1 Y 1 A ASN 218 A ASN 218 1 Y 1 A HIS 219 A HIS 219 1 Y 1 A LYS 220 A LYS 220 1 Y 1 A GLU 21 -151.41 -31.31 1 A ASP 22 -168.13 67.28 1 A ALA 32 -52.75 87.51 1 A SER 45 39.78 53.28 1 A ASP 185 -150.25 -2.91 PROTEIN_REP.PARAM PROTEIN.TOP WATER_REP.PARAM ION.PARAM 28.8 -0.34 0.00 0.00 -0.34 0.00 0.69 0.2020000 0.005 0.1760000 0.1760000 2.00 42.21 1379 13958 13653 10.1 94.7 RANDOM 334555.69 0.00 1 RESTRAINED THROUGHOUT 0.0 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1I6O Engh & Huber FLAT MODEL 44.43 0.338 0.24 0.19 5.00 0.15 0.11 2.00 42.21 62 1778 1 0 1715 0.004 1.1 20.4 0.62 0.2150000 0.014 0.1910000 2.13 223 1955 6 10.2 92.6 15.6 2.00 40 1I6P 90500 13974 0 0 0.0650000 1 20.4 6.5 96.7 0.3090000 2.00 2.03 4.4 1 3.5 96.9 phasing EPMR refinement CNS 1.0 data reduction DENZO data scaling SCALEPACK CRYSTAL STRUCTURE OF E. COLI BETA CARBONIC ANHYDRASE (ECCA) 1 N N 2 N N 3 N N A tetramer constructed from the operations -y, -x, -z; y, x, -z; -1-x, 1-y, z is thought to exist in solution under physiological conditions. A ASP 3 A ASP 3 HELX_P A GLU 20 A GLU 20 1 1 18 A PHE 26 A PHE 26 HELX_P A GLN 31 A GLN 31 1 2 6 A PRO 48 A PRO 48 HELX_P A GLY 54 A GLY 54 1 3 7 A ASP 74 A ASP 74 HELX_P A VAL 87 A VAL 87 1 4 14 A CYS 101 A CYS 101 HELX_P A ASN 110 A ASN 110 1 5 10 A LEU 115 A LEU 115 HELX_P A HIS 130 A HIS 130 1 6 16 A HIS 130 A HIS 130 HELX_P A GLY 135 A GLY 135 1 7 6 A GLU 136 A GLU 136 HELX_P A MET 137 A MET 137 5 8 2 A PRO 138 A PRO 138 HELX_P A GLU 140 A GLU 140 5 9 3 A ARG 141 A ARG 141 HELX_P A SER 161 A SER 161 1 10 21 A SER 161 A SER 161 HELX_P A ARG 170 A ARG 170 1 11 10 A ASN 197 A ASN 197 HELX_P A LYS 215 A LYS 215 1 12 19 metalc 2.337 A CYS 42 A SG CYS 42 1_555 A ZN 301 B ZN ZN 1_555 metalc 2.096 A ASP 44 A OD2 ASP 44 1_555 A ZN 301 B ZN ZN 1_555 metalc 2.208 A HIS 98 A NE2 HIS 98 1_555 A ZN 301 B ZN ZN 1_555 metalc 2.369 A CYS 101 A SG CYS 101 1_555 A ZN 301 B ZN ZN 1_555 LYASE carbonic anhydrase, metalloenzyme, zinc coordination, pH-dependent activity, MAD phasing, LYASE CAN_ECOLI UNP 1 1 P61517 MKDIDTLISNNALWSKMLVEEDPGFFEKLAQAQKPRFLWIGCSDSRVPAERLTGLEPGELFVHRNVANLVIHTDLNCLSV VQYAVDVLEVEHIIICGHYGCGGVQAAVENPELGLINNWLLHIRDIWFKHSSLLGEMPQERRLDTLCELNVMEQVYNLGH STIMQSAWKRGQKVTIHGWAYGIHDGLLRDLDVTATNRETLEQRYRHGISNLKLKHANHK 1 220 1I6P 1 220 P61517 A 1 1 220 5 parallel parallel parallel anti-parallel A LEU 60 A LEU 60 A ASN 65 A ASN 65 A PHE 37 A PHE 37 A CYS 42 A CYS 42 A HIS 92 A HIS 92 A HIS 98 A HIS 98 A THR 175 A THR 175 A TYR 181 A TYR 181 A LEU 188 A LEU 188 A ASP 190 A ASP 190 BINDING SITE FOR RESIDUE ZN A 301 A ZN 301 Software 4 A CYS 42 A CYS 42 4 1_555 A ASP 44 A ASP 44 4 1_555 A HIS 98 A HIS 98 4 1_555 A CYS 101 A CYS 101 4 1_555 94 P 42 21 2