0.023451 -0.000001 0.006090 0.000000 0.024029 -0.000001 0.000000 0.000000 0.014171 0.00000 0.00000 0.00000 Fisher, Z. Hernandez Prada, J.A. Tu, C.K. Duda, D. Yoshioka, C. An, H. Govindasamy, L. Silverman, D.N. McKenna, R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 90.00 104.56 90.00 42.643 41.617 72.905 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 Biochemistry BICHAW 0033 0006-2960 44 1097 1105 10.1021/bi0480279 15667203 Structural and Kinetic Characterization of Active-Site Histidine as a Proton Shuttle in Catalysis by Human Carbonic Anhydrase II 2005 10.2210/pdb1tg9/pdb pdb_00001tg9 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293 1 Osmic Mirror IMAGE PLATE RIGAKU RAXIS IV SINGLE WAVELENGTH M x-ray 1 1.54 1.0 1.54 ROTATING ANODE RIGAKU RU200 29313.105 Carbonic anhydrase II 4.2.1.1 N62H 1 man polymer 65.409 ZINC ION 1 syn non-polymer 18.015 water 137 nat water Carbonate dehydratase II, CA-II, Carbonic anhydrase C no no MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNHGHAFNVEFDDSQDKAVLK GGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVV DVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELM VDNWRPAQPLKNRQIKASFK MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNHGHAFNVEFDDSQDKAVLK GGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVV DVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELM VDNWRPAQPLKNRQIKASFK 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 human Homo Escherichia Escherichia coli sample CA2 9606 Homo sapiens 469008 Escherichia coli BL21(DE3) BL21 DE3 plasmid pET 31 1 2.14 42.42 VAPOR DIFFUSION, HANGING DROP 7.8 50 mM Tris-Cl pH7.8 , 2.5 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 software database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Refinement description Database references Derived calculations Data collection Refinement description 1 0 2005-01-25 1 1 2008-04-30 1 2 2011-07-13 1 3 2017-10-11 1 4 2021-10-27 1 5 2023-08-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_atom_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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2004-05-28 REL REL ZN ZINC ION HOH water 2CBA pdb entry 2CBA PDB experimental model ZN2 262 2 ZN ZN 262 A HOH 301 3 HOH HOH 301 A HOH 302 3 HOH HOH 302 A HOH 303 3 HOH HOH 303 A HOH 304 3 HOH HOH 304 A HOH 305 3 HOH HOH 305 A HOH 306 3 HOH HOH 306 A HOH 307 3 HOH HOH 307 A HOH 308 3 HOH HOH 308 A HOH 309 3 HOH HOH 309 A HOH 310 3 HOH HOH 310 A HOH 311 3 HOH HOH 311 A HOH 312 3 HOH HOH 312 A HOH 313 3 HOH HOH 313 A HOH 314 3 HOH HOH 314 A HOH 315 3 HOH HOH 315 A HOH 316 3 HOH HOH 316 A HOH 317 3 HOH HOH 317 A HOH 318 3 HOH HOH 318 A HOH 319 3 HOH HOH 319 A HOH 320 3 HOH HOH 320 A HOH 321 3 HOH HOH 321 A HOH 322 3 HOH HOH 322 A HOH 323 3 HOH HOH 323 A HOH 324 3 HOH HOH 324 A HOH 325 3 HOH HOH 325 A HOH 326 3 HOH HOH 326 A HOH 327 3 HOH HOH 327 A HOH 328 3 HOH HOH 328 A HOH 329 3 HOH HOH 329 A HOH 330 3 HOH HOH 330 A HOH 331 3 HOH HOH 331 A HOH 332 3 HOH HOH 332 A HOH 333 3 HOH HOH 333 A HOH 334 3 HOH HOH 334 A HOH 335 3 HOH HOH 335 A HOH 336 3 HOH HOH 336 A HOH 337 3 HOH HOH 337 A HOH 338 3 HOH HOH 338 A HOH 339 3 HOH HOH 339 A HOH 340 3 HOH HOH 340 A HOH 341 3 HOH HOH 341 A HOH 342 3 HOH HOH 342 A HOH 343 3 HOH HOH 343 A HOH 344 3 HOH HOH 344 A HOH 345 3 HOH HOH 345 A HOH 346 3 HOH HOH 346 A HOH 347 3 HOH HOH 347 A HOH 348 3 HOH HOH 348 A HOH 349 3 HOH HOH 349 A HOH 350 3 HOH HOH 350 A HOH 351 3 HOH HOH 351 A HOH 352 3 HOH HOH 352 A HOH 353 3 HOH HOH 353 A HOH 354 3 HOH HOH 354 A HOH 355 3 HOH HOH 355 A HOH 356 3 HOH HOH 356 A HOH 357 3 HOH HOH 357 A HOH 358 3 HOH HOH 358 A HOH 359 3 HOH HOH 359 A HOH 360 3 HOH HOH 360 A HOH 361 3 HOH HOH 361 A HOH 362 3 HOH HOH 362 A HOH 363 3 HOH HOH 363 A HOH 364 3 HOH HOH 364 A HOH 365 3 HOH HOH 365 A HOH 366 3 HOH HOH 366 A HOH 367 3 HOH HOH 367 A HOH 368 3 HOH HOH 368 A HOH 369 3 HOH HOH 369 A HOH 370 3 HOH HOH 370 A HOH 371 3 HOH HOH 371 A HOH 372 3 HOH HOH 372 A HOH 373 3 HOH HOH 373 A HOH 374 3 HOH HOH 374 A HOH 375 3 HOH HOH 375 A HOH 376 3 HOH HOH 376 A HOH 377 3 HOH HOH 377 A HOH 378 3 HOH HOH 378 A HOH 379 3 HOH HOH 379 A HOH 380 3 HOH HOH 380 A HOH 381 3 HOH HOH 381 A HOH 382 3 HOH HOH 382 A HOH 383 3 HOH HOH 383 A HOH 384 3 HOH HOH 384 A HOH 385 3 HOH HOH 385 A HOH 386 3 HOH HOH 386 A HOH 387 3 HOH HOH 387 A HOH 388 3 HOH HOH 388 A HOH 389 3 HOH HOH 389 A HOH 390 3 HOH HOH 390 A HOH 391 3 HOH HOH 391 A HOH 392 3 HOH HOH 392 A HOH 393 3 HOH HOH 393 A HOH 394 3 HOH HOH 394 A HOH 395 3 HOH HOH 395 A HOH 396 3 HOH HOH 396 A HOH 397 3 HOH HOH 397 A HOH 398 3 HOH HOH 398 A HOH 399 3 HOH HOH 399 A HOH 400 3 HOH HOH 400 A HOH 401 3 HOH HOH 401 A HOH 402 3 HOH HOH 402 A HOH 403 3 HOH HOH 403 A HOH 404 3 HOH HOH 404 A HOH 405 3 HOH HOH 405 A HOH 406 3 HOH HOH 406 A HOH 407 3 HOH HOH 407 A HOH 408 3 HOH HOH 408 A HOH 409 3 HOH HOH 409 A HOH 410 3 HOH HOH 410 A HOH 411 3 HOH HOH 411 A HOH 412 3 HOH HOH 412 A HOH 413 3 HOH HOH 413 A HOH 414 3 HOH HOH 414 A HOH 415 3 HOH HOH 415 A HOH 416 3 HOH HOH 416 A HOH 417 3 HOH HOH 417 A HOH 418 3 HOH HOH 418 A HOH 419 3 HOH HOH 419 A HOH 420 3 HOH HOH 420 A HOH 421 3 HOH HOH 421 A HOH 422 3 HOH HOH 422 A HOH 423 3 HOH HOH 423 A HOH 424 3 HOH HOH 424 A HOH 425 3 HOH HOH 425 A HOH 426 3 HOH HOH 426 A HOH 427 3 HOH HOH 427 A HOH 428 3 HOH HOH 428 A HOH 429 3 HOH HOH 429 A HOH 430 3 HOH HOH 430 A HOH 431 3 HOH HOH 431 A HOH 432 3 HOH HOH 432 A HOH 433 3 HOH HOH 433 A HOH 434 3 HOH HOH 434 A HOH 435 3 HOH HOH 435 A HOH 436 3 HOH HOH 436 A HOH 437 3 HOH HOH 437 A n 1 1 A n 2 2 A HIS 3 n 3 HIS 3 A HIS 4 n 4 HIS 4 A TRP 5 n 5 TRP 5 A GLY 6 n 6 GLY 6 A TYR 7 n 7 TYR 7 A GLY 8 n 8 GLY 8 A LYS 9 n 9 LYS 9 A HIS 10 n 10 HIS 10 A ASN 11 n 11 ASN 11 A GLY 12 n 12 GLY 12 A PRO 13 n 13 PRO 13 A GLU 14 n 14 GLU 14 A HIS 15 n 15 HIS 15 A TRP 16 n 16 TRP 16 A HIS 17 n 17 HIS 17 A LYS 18 n 18 LYS 18 A ASP 19 n 19 ASP 19 A PHE 20 n 20 PHE 20 A PRO 21 n 21 PRO 21 A ILE 22 n 22 ILE 22 A ALA 23 n 23 ALA 23 A LYS 24 n 24 LYS 24 A GLY 25 n 25 GLY 25 A GLU 26 n 26 GLU 26 A ARG 27 n 27 ARG 27 A GLN 28 n 28 GLN 28 A SER 29 n 29 SER 29 A PRO 30 n 30 PRO 30 A VAL 31 n 31 VAL 31 A ASP 32 n 32 ASP 32 A ILE 33 n 33 ILE 33 A ASP 34 n 34 ASP 34 A THR 35 n 35 THR 35 A HIS 36 n 36 HIS 36 A THR 37 n 37 THR 37 A ALA 38 n 38 ALA 38 A LYS 39 n 39 LYS 39 A TYR 40 n 40 TYR 40 A ASP 41 n 41 ASP 41 A PRO 42 n 42 PRO 42 A SER 43 n 43 SER 43 A LEU 44 n 44 LEU 44 A LYS 45 n 45 LYS 45 A PRO 46 n 46 PRO 46 A LEU 47 n 47 LEU 47 A SER 48 n 48 SER 48 A VAL 49 n 49 VAL 49 A SER 50 n 50 SER 50 A TYR 51 n 51 TYR 51 A ASP 52 n 52 ASP 52 A GLN 53 n 53 GLN 53 A ALA 54 n 54 ALA 54 A THR 55 n 55 THR 55 A SER 56 n 56 SER 56 A LEU 57 n 57 LEU 57 A ARG 58 n 58 ARG 58 A ILE 59 n 59 ILE 59 A LEU 60 n 60 LEU 60 A ASN 61 n 61 ASN 61 A HIS 62 n 62 HIS 62 A GLY 63 n 63 GLY 63 A ALA 64 n 64 HIS 64 A ALA 65 n 65 ALA 65 A PHE 66 n 66 PHE 66 A ASN 67 n 67 ASN 67 A VAL 68 n 68 VAL 68 A GLU 69 n 69 GLU 69 A PHE 70 n 70 PHE 70 A ASP 71 n 71 ASP 71 A ASP 72 n 72 ASP 72 A SER 73 n 73 SER 73 A GLN 74 n 74 GLN 74 A ASP 75 n 75 ASP 75 A LYS 76 n 76 LYS 76 A ALA 77 n 77 ALA 77 A VAL 78 n 78 VAL 78 A LEU 79 n 79 LEU 79 A LYS 80 n 80 LYS 80 A GLY 81 n 81 GLY 81 A GLY 82 n 82 GLY 82 A PRO 83 n 83 PRO 83 A LEU 84 n 84 LEU 84 A ASP 85 n 85 ASP 85 A GLY 86 n 86 GLY 86 A THR 87 n 87 THR 87 A TYR 88 n 88 TYR 88 A ARG 89 n 89 ARG 89 A LEU 90 n 90 LEU 90 A ILE 91 n 91 ILE 91 A GLN 92 n 92 GLN 92 A PHE 93 n 93 PHE 93 A HIS 94 n 94 HIS 94 A PHE 95 n 95 PHE 95 A HIS 96 n 96 HIS 96 A TRP 97 n 97 TRP 97 A GLY 98 n 98 GLY 98 A SER 99 n 99 SER 99 A LEU 100 n 100 LEU 100 A ASP 101 n 101 ASP 101 A GLY 102 n 102 GLY 102 A GLN 103 n 103 GLN 103 A GLY 104 n 104 GLY 104 A SER 105 n 105 SER 105 A GLU 106 n 106 GLU 106 A HIS 107 n 107 HIS 107 A THR 108 n 108 THR 108 A VAL 109 n 109 VAL 109 A ASP 110 n 110 ASP 110 A LYS 111 n 111 LYS 111 A LYS 112 n 112 LYS 112 A LYS 113 n 113 LYS 113 A TYR 114 n 114 TYR 114 A ALA 115 n 115 ALA 115 A ALA 116 n 116 ALA 116 A GLU 117 n 117 GLU 117 A LEU 118 n 118 LEU 118 A HIS 119 n 119 HIS 119 A LEU 120 n 120 LEU 120 A VAL 121 n 121 VAL 121 A HIS 122 n 122 HIS 122 A TRP 123 n 123 TRP 123 A ASN 124 n 124 ASN 124 A THR 125 n 125 THR 125 A LYS 127 n 126 LYS 127 A TYR 128 n 127 TYR 128 A GLY 129 n 128 GLY 129 A ASP 130 n 129 ASP 130 A PHE 131 n 130 PHE 131 A GLY 132 n 131 GLY 132 A LYS 133 n 132 LYS 133 A ALA 134 n 133 ALA 134 A VAL 135 n 134 VAL 135 A GLN 136 n 135 GLN 136 A GLN 137 n 136 GLN 137 A PRO 138 n 137 PRO 138 A ASP 139 n 138 ASP 139 A GLY 140 n 139 GLY 140 A LEU 141 n 140 LEU 141 A ALA 142 n 141 ALA 142 A VAL 143 n 142 VAL 143 A LEU 144 n 143 LEU 144 A GLY 145 n 144 GLY 145 A ILE 146 n 145 ILE 146 A PHE 147 n 146 PHE 147 A LEU 148 n 147 LEU 148 A LYS 149 n 148 LYS 149 A VAL 150 n 149 VAL 150 A GLY 151 n 150 GLY 151 A SER 152 n 151 SER 152 A ALA 153 n 152 ALA 153 A LYS 154 n 153 LYS 154 A PRO 155 n 154 PRO 155 A GLY 156 n 155 GLY 156 A LEU 157 n 156 LEU 157 A GLN 158 n 157 GLN 158 A LYS 159 n 158 LYS 159 A VAL 160 n 159 VAL 160 A VAL 161 n 160 VAL 161 A ASP 162 n 161 ASP 162 A VAL 163 n 162 VAL 163 A LEU 164 n 163 LEU 164 A ASP 165 n 164 ASP 165 A SER 166 n 165 SER 166 A ILE 167 n 166 ILE 167 A LYS 168 n 167 LYS 168 A THR 169 n 168 THR 169 A LYS 170 n 169 LYS 170 A GLY 171 n 170 GLY 171 A LYS 172 n 171 LYS 172 A SER 173 n 172 SER 173 A ALA 174 n 173 ALA 174 A ASP 175 n 174 ASP 175 A PHE 176 n 175 PHE 176 A THR 177 n 176 THR 177 A ASN 178 n 177 ASN 178 A PHE 179 n 178 PHE 179 A ASP 180 n 179 ASP 180 A PRO 181 n 180 PRO 181 A ARG 182 n 181 ARG 182 A GLY 183 n 182 GLY 183 A LEU 184 n 183 LEU 184 A LEU 185 n 184 LEU 185 A PRO 186 n 185 PRO 186 A GLU 187 n 186 GLU 187 A SER 188 n 187 SER 188 A LEU 189 n 188 LEU 189 A ASP 190 n 189 ASP 190 A TYR 191 n 190 TYR 191 A TRP 192 n 191 TRP 192 A THR 193 n 192 THR 193 A TYR 194 n 193 TYR 194 A PRO 195 n 194 PRO 195 A GLY 196 n 195 GLY 196 A SER 197 n 196 SER 197 A LEU 198 n 197 LEU 198 A THR 199 n 198 THR 199 A THR 200 n 199 THR 200 A PRO 201 n 200 PRO 201 A PRO 202 n 201 PRO 202 A LEU 203 n 202 LEU 203 A LEU 204 n 203 LEU 204 A GLU 205 n 204 GLU 205 A CYS 206 n 205 CYS 206 A VAL 207 n 206 VAL 207 A THR 208 n 207 THR 208 A TRP 209 n 208 TRP 209 A ILE 210 n 209 ILE 210 A VAL 211 n 210 VAL 211 A LEU 212 n 211 LEU 212 A LYS 213 n 212 LYS 213 A GLU 214 n 213 GLU 214 A PRO 215 n 214 PRO 215 A ILE 216 n 215 ILE 216 A SER 217 n 216 SER 217 A VAL 218 n 217 VAL 218 A SER 219 n 218 SER 219 A SER 220 n 219 SER 220 A GLU 221 n 220 GLU 221 A GLN 222 n 221 GLN 222 A VAL 223 n 222 VAL 223 A LEU 224 n 223 LEU 224 A LYS 225 n 224 LYS 225 A PHE 226 n 225 PHE 226 A ARG 227 n 226 ARG 227 A LYS 228 n 227 LYS 228 A LEU 229 n 228 LEU 229 A ASN 230 n 229 ASN 230 A PHE 231 n 230 PHE 231 A ASN 232 n 231 ASN 232 A GLY 233 n 232 GLY 233 A GLU 234 n 233 GLU 234 A GLY 235 n 234 GLY 235 A GLU 236 n 235 GLU 236 A PRO 237 n 236 PRO 237 A GLU 238 n 237 GLU 238 A GLU 239 n 238 GLU 239 A LEU 240 n 239 LEU 240 A MET 241 n 240 MET 241 A VAL 242 n 241 VAL 242 A ASP 243 n 242 ASP 243 A ASN 244 n 243 ASN 244 A TRP 245 n 244 TRP 245 A ARG 246 n 245 ARG 246 A PRO 247 n 246 PRO 247 A ALA 248 n 247 ALA 248 A GLN 249 n 248 GLN 249 A PRO 250 n 249 PRO 250 A LEU 251 n 250 LEU 251 A LYS 252 n 251 LYS 252 A ASN 253 n 252 ASN 253 A ARG 254 n 253 ARG 254 A GLN 255 n 254 GLN 255 A ILE 256 n 255 ILE 256 A LYS 257 n 256 LYS 257 A ALA 258 n 257 ALA 258 A SER 259 n 258 SER 259 A PHE 260 n 259 PHE 260 A LYS 261 n 260 LYS 261 A author_defined_assembly 1 monomeric A HIS 94 A NE2 HIS 94 1_555 A ZN 262 B ZN ZN 1_555 A HIS 96 A NE2 HIS 96 1_555 109.4 A HIS 94 A NE2 HIS 94 1_555 A ZN 262 B ZN ZN 1_555 A HIS 119 A ND1 HIS 119 1_555 119.9 A HIS 96 A NE2 HIS 96 1_555 A ZN 262 B ZN ZN 1_555 A HIS 119 A ND1 HIS 119 1_555 101.1 A HIS 94 A NE2 HIS 94 1_555 A ZN 262 B ZN ZN 1_555 A HOH 321 C O HOH 1_555 105.3 A HIS 96 A NE2 HIS 96 1_555 A ZN 262 B ZN ZN 1_555 A HOH 321 C O HOH 1_555 106.7 A HIS 119 A ND1 HIS 119 1_555 A ZN 262 B ZN ZN 1_555 A HOH 321 C O HOH 1_555 113.7 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 N ILE 33 A N ILE 33 A O THR 108 A O THR 108 A N LYS 39 A N LYS 39 A O ALA 258 A O ALA 257 A O LYS 257 A O LYS 256 A N THR 193 A N THR 192 A N GLY 196 A N GLY 195 A O VAL 207 A O VAL 206 A O ILE 210 A O ILE 209 A N GLY 145 A N GLY 144 A O ILE 146 A O ILE 145 A N LEU 118 A N LEU 118 A O HIS 119 A O HIS 119 A N HIS 94 A N HIS 94 A O ILE 91 A O ILE 91 A N PHE 70 A N PHE 70 A O GLU 69 A O GLU 69 A N ARG 58 A N ARG 58 A N ILE 59 A N ILE 59 A O ALA 174 A O ALA 173 A N SER 50 A N SER 50 A O VAL 78 A O VAL 78 A N LEU 79 A N LEU 79 A O TYR 88 A O TYR 88 A N HIS 94 A N HIS 94 A O HIS 119 A O HIS 119 A N LEU 118 A N LEU 118 A O ILE 146 A O ILE 145 A N PHE 147 A N PHE 146 A O ILE 216 A O ILE 215 1 A CG HIS 64 A CG HIS 64 1 Y 1 A ND1 HIS 64 A ND1 HIS 64 1 Y 1 A CD2 HIS 64 A CD2 HIS 64 1 Y 1 A CE1 HIS 64 A CE1 HIS 64 1 Y 1 A NE2 HIS 64 A NE2 HIS 64 1 Y 1 A MET 1 A MET 1 1 Y 1 A SER 2 A SER 2 1 Y 1 A ALA 65 175.72 -170.18 1 A LYS 111 73.45 -3.49 1 A ASN 244 -92.77 50.38 1 A LYS 252 57.41 -142.66 0.217 0.168 1.90 20.0 858 17568 17568 1 Random MOLECULAR REPLACEMENT pdb entry 2CBA Engh & Huber 1.90 20.0 137 2193 1 0 2055 0.005 1.345 1.9 20.0 1TG9 18130 0.072 1 1.90 1.93 18130 0.341 90.1 data scaling SCALEPACK refinement CNS phasing CNS Effect of Shuttle Location and pH Environment on H+ Transfer in Human Carbonic Anhydrase II 1 N N 2 N N 3 N N A HIS 15 A HIS 15 HELX_P A ASP 19 A ASP 19 5 1 5 A PHE 20 A PHE 20 HELX_P A GLY 25 A GLY 25 5 2 6 A LYS 127 A LYS 126 HELX_P A GLY 129 A GLY 128 5 3 3 A ASP 130 A ASP 129 HELX_P A VAL 135 A VAL 134 1 4 6 A LYS 154 A LYS 153 HELX_P A GLY 156 A GLY 155 5 5 3 A LEU 157 A LEU 156 HELX_P A LEU 164 A LEU 163 1 6 8 A ASP 165 A ASP 164 HELX_P A LYS 168 A LYS 167 5 7 4 A ASP 180 A ASP 179 HELX_P A LEU 185 A LEU 184 5 8 6 A SER 219 A SER 218 HELX_P A ARG 227 A ARG 226 1 9 9 metalc 2.016 A HIS 94 A NE2 HIS 94 1_555 A ZN 262 B ZN ZN 1_555 metalc 1.978 A HIS 96 A NE2 HIS 96 1_555 A ZN 262 B ZN ZN 1_555 metalc 1.991 A HIS 119 A ND1 HIS 119 1_555 A ZN 262 B ZN ZN 1_555 metalc 2.058 A ZN 262 B ZN ZN 1_555 A HOH 321 C O HOH 1_555 LYASE proton shuttle carbonic anhydrase metalloenzyme, LYASE A SER 29 A SER 29 1 A PRO 30 A PRO 30 0.05 A PRO 201 A PRO 200 1 A PRO 202 A PRO 201 0.42 CAH2_HUMAN UNP 1 1 P00918 SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV DNWRPAQPLKNRQIKASFK 1 259 1TG9 2 261 P00918 A 1 2 260 1 initiating methionine MET 1 1TG9 A P00918 UNP 1 1 ASN engineered mutation HIS 62 1TG9 A P00918 UNP 61 62 2 10 6 parallel parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel A ASP 32 A ASP 32 A ILE 33 A ILE 33 A THR 108 A THR 108 A VAL 109 A VAL 109 A LYS 39 A LYS 39 A TYR 40 A TYR 40 A LYS 257 A LYS 256 A ALA 258 A ALA 257 A TYR 191 A TYR 190 A GLY 196 A GLY 195 A VAL 207 A VAL 206 A LEU 212 A LEU 211 A LEU 141 A LEU 140 A VAL 150 A VAL 149 A ALA 116 A ALA 116 A ASN 124 A ASN 124 A TYR 88 A TYR 88 A TRP 97 A TRP 97 A PHE 66 A PHE 66 A PHE 70 A PHE 70 A SER 56 A SER 56 A ASN 61 A ASN 61 A SER 173 A SER 172 A ASP 175 A ASP 174 A LEU 47 A LEU 47 A SER 50 A SER 50 A VAL 78 A VAL 78 A GLY 81 A GLY 81 A TYR 88 A TYR 88 A TRP 97 A TRP 97 A ALA 116 A ALA 116 A ASN 124 A ASN 124 A LEU 141 A LEU 140 A VAL 150 A VAL 149 A ILE 216 A ILE 215 A VAL 218 A VAL 217 BINDING SITE FOR RESIDUE ZN A 262 A ZN 262 Software 4 A HIS 94 A HIS 94 4 1_555 A HIS 96 A HIS 96 4 1_555 A HIS 119 A HIS 119 4 1_555 A HOH 321 C HOH 4 1_555 4 P 1 21 1