0.011441 0.000000 0.000000 0.000000 0.011374 0.000000 0.000000 0.000000 0.010823 0.00000 0.00000 0.00000 Buchini, S. Gallat, F.-X. Greig, I.R. Kim, J.-H. Wakatsuki, S. Chavas, L.M.G. Withers, S.G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 87.408 87.916 92.394 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 C11 H18 F N O9 327.260 n 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid 5-(acetylamino)-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid; 3-FLUOROSIALIC ACID; 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulosonic acid; 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-L-manno-non-2-ulosonic acid; 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-manno-non-2-ulosonic acid D-saccharide, beta 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 O4 P -3 94.971 PHOSPHATE ION non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N N N 75 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 O N 89 N C N 90 N F N 91 R C N 92 R C N 93 R C N 94 N O N 95 R C N 96 N N N 97 R C N 98 N O N 99 R C N 100 N O N 101 R C N 102 N O N 103 N C N 104 N O N 105 N C N 106 N O N 107 N C N 108 N O N 109 N O N 110 N H N 111 N H N 112 N H N 113 N H N 114 N H N 115 N H N 116 N H N 117 N H 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 H N 128 N N N 129 S C N 130 N C N 131 N O N 132 N C N 133 N C N 134 N C N 135 N O N 136 N N N 137 N O N 138 N H N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N N N 149 S C N 150 N C N 151 N O N 152 N C N 153 N C N 154 N C N 155 N O N 156 N O N 157 N O N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N N N 168 N C N 169 N C N 170 N O N 171 N O N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N N N 178 S C N 179 N C N 180 N O N 181 N C Y 182 N C Y 183 N N Y 184 N C Y 185 N C Y 186 N N N 187 N O N 188 N H N 189 N H N 190 N H N 191 N H 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 O N 199 N H N 200 N H N 201 N N N 202 S C N 203 N C N 204 N O N 205 S C N 206 N C N 207 N C N 208 N C N 209 N O N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H 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 N N 224 S C N 225 N C N 226 N O N 227 N C N 228 N C N 229 N C N 230 N C N 231 N O N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H 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 N N 246 S C N 247 N C N 248 N O N 249 N C N 250 N C N 251 N C N 252 N C N 253 N N N 254 N O N 255 N H N 256 N H N 257 N H N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N N N 271 S C N 272 N C N 273 N O N 274 N C N 275 N C N 276 N S N 277 N C N 278 N O N 279 N H N 280 N H 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 Y 295 N C Y 296 N C Y 297 N C Y 298 N C Y 299 N C Y 300 N C N 301 N O N 302 N H N 303 N H N 304 N H N 305 N H N 306 N H N 307 N H N 308 N H N 309 N H N 310 N H N 311 N H N 312 N H N 313 N P N 314 N O N 315 N O N 316 N O N 317 N O N 318 N N N 319 S C N 320 N C N 321 N O N 322 N C N 323 N C N 324 N C N 325 N O N 326 N H N 327 N H N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N N N 336 S C N 337 N C N 338 N O N 339 N C N 340 N O N 341 N O 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 N N 350 S C N 351 N C N 352 N O N 353 R C N 354 N O N 355 N C N 356 N O 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 365 N H N 366 N N N 367 S C N 368 N C N 369 N O N 370 N C Y 371 N C Y 372 N C Y 373 N C Y 374 N N Y 375 N C Y 376 N C Y 377 N C Y 378 N C Y 379 N C N 380 N O 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 H N 392 N H N 393 N N N 394 S C N 395 N C N 396 N O N 397 N C Y 398 N C Y 399 N C Y 400 N C Y 401 N C Y 402 N C Y 403 N C N 404 N O N 405 N O N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N H N 412 N H N 413 N H N 414 N H N 415 N H N 416 N H N 417 N N N 418 S C N 419 N C N 420 N O N 421 N C N 422 N C N 423 N C N 424 N O N 425 N H N 426 N H N 427 N H N 428 N H N 429 N H N 430 N H N 431 N H N 432 N H N 433 N H N 434 N H N 435 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 doub N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N doub 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 sing N 127 N sing N 128 N sing N 129 N doub N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N doub N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N doub 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 doub N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N doub 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 doub N 176 N sing N 177 N sing N 178 N sing N 179 N sing Y 180 N sing Y 181 N doub Y 182 N doub N 183 N sing Y 184 N sing N 185 N sing Y 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 doub N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N 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 doub N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N 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 doub N 241 N sing N 242 N sing N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N doub N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N 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 Y 288 N doub Y 289 N sing Y 290 N sing N 291 N sing Y 292 N doub N 293 N sing Y 294 N doub N 295 N sing Y 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N doub 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 doub N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N doub 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 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 N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N sing N 356 N doub N 357 N sing N 358 N sing N 359 N sing N 360 N sing Y 361 N doub Y 362 N sing Y 363 N sing N 364 N sing Y 365 N doub Y 366 N sing Y 367 N sing N 368 N sing Y 369 N sing Y 370 N doub N 371 N sing Y 372 N doub N 373 N sing Y 374 N sing N 375 N sing N 376 N sing N 377 N sing N 378 N sing N 379 N sing N 380 N sing N 381 N sing N 382 N sing N 383 N sing N 384 N doub N 385 N sing N 386 N sing N 387 N sing N 388 N sing Y 389 N doub Y 390 N sing Y 391 N sing N 392 N sing Y 393 N doub N 394 N sing Y 395 N doub N 396 N sing Y 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N sing N 408 N doub N 409 N sing N 410 N sing N 411 N sing N 412 N sing N 413 N sing N 414 N sing N 415 N sing N 416 N sing N 417 N sing N 418 N sing N 419 N sing GE Angew.Chem.Int.Ed.Engl. 9999 1433-7851 53 3382 3386 10.1002/anie.201309675 24591206 Tuning mechanism-based inactivators of neuraminidases: mechanistic and structural insights. 2014 10.2210/pdb4nc5/pdb pdb_00004nc5 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 1 CCD 2010-11-09 ADSC QUANTUM 210r SI(111) SINGLE WAVELENGTH M x-ray 1 1 1.0 AR-NW12A Photon Factory 1 SYNCHROTRON PHOTON FACTORY BEAMLINE AR-NW12A 42375.586 Sialidase-2 3.2.1.18 D46A,H168N 1 man polymer 327.260 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid 1 man non-polymer 94.971 PHOSPHATE ION 2 syn non-polymer 18.015 water 103 nat water NEU2, Cytosolic sialidase, N-acetyl-alpha-neuraminidase 2 no no GSMASLPVLQKESVFQSGAHAYRIPALLYLPGQQSLLAFAEQRASKKAEHAELIVLRRGDYDAPTHQVQWQAQEVVAQAR LDGHRSMNPCPLYDAQTGTLFLFFIAIPGQVTEQQQLQTRANVTRLCQVTSTDHGRTWSSPRDLTDAAIGPAYREWSTFA VGPGHCLQLNDRARSLVVPAYAYRKLHPIQRPIPSAFCFLSHDHGRTWARGHFVAQDTLECQVAEVETGEQRVVTLNARS HLRARVQAQSTNDGLDFQESQLVKKLVEPPPQGCQGSVISFPSPRSGPGSPAQWLLYTHPTHSWQRADLGAYLNPRPPAP EAWSEPVLLAKGSCAYSDLQSMGTGPDGSPLFGCLYEANDYEEIVFLMFTLKQAFPAEYLPQ GSMASLPVLQKESVFQSGAHAYRIPALLYLPGQQSLLAFAEQRASKKAEHAELIVLRRGDYDAPTHQVQWQAQEVVAQAR LDGHRSMNPCPLYDAQTGTLFLFFIAIPGQVTEQQQLQTRANVTRLCQVTSTDHGRTWSSPRDLTDAAIGPAYREWSTFA VGPGHCLQLNDRARSLVVPAYAYRKLHPIQRPIPSAFCFLSHDHGRTWARGHFVAQDTLECQVAEVETGEQRVVTLNARS HLRARVQAQSTNDGLDFQESQLVKKLVEPPPQGCQGSVISFPSPRSGPGSPAQWLLYTHPTHSWQRADLGAYLNPRPPAP EAWSEPVLLAKGSCAYSDLQSMGTGPDGSPLFGCLYEANDYEEIVFLMFTLKQAFPAEYLPQ 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 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 sample NEU2 9606 Homo sapiens 562 Escherichia coli BL21 PLASMID PGEX-2T 1 2.09 41.21 VAPOR DIFFUSION, HANGING DROP 8 SODIUM/POTASSIUM PHOSPHATE BUFFER, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 289K 289 software chem_comp entity pdbx_chem_comp_identifier pdbx_entity_nonpoly struct_conn struct_ref_seq_dif struct_site struct_site_gen chem_comp chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model repository Initial release Carbohydrate remediation repository Remediation Database references Refinement description Data collection Database references Derived calculations Structure summary Data collection Database references Refinement description Structure summary 1 0 2013-11-06 1 1 2014-04-02 1 2 2017-11-15 1 3 2020-07-29 1 4 2023-09-20 _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.type _entity.pdbx_description _pdbx_entity_nonpoly.name _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details _chem_comp.pdbx_synonyms _database_2.pdbx_DOI _database_2.pdbx_database_accession b-D-Neup5Ac3fluoro Trypanosoma rangeli Sialidase In Complex With 2,3- Difluorosialic Acid (Covalent Intermediate) Crystal structure of Trypanosoma cruzi trans-sialidase in complex with 2,3-difluorosialic acid (covalent intermediate) RCSB Y RCSB 2013-10-24 REL REL FSI 5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid PO4 PHOSPHATE ION HOH water 1VCU PDB ENTRY 1VCU PDB experimental model FSI 400 2 FSI FSI 401 A PO4 1 3 PO4 PO4 402 A PO4 2 3 PO4 PO4 403 A HOH 1 4 HOH HOH 501 A HOH 2 4 HOH HOH 502 A HOH 3 4 HOH HOH 503 A HOH 4 4 HOH HOH 504 A HOH 5 4 HOH HOH 505 A HOH 6 4 HOH HOH 506 A HOH 7 4 HOH HOH 507 A HOH 8 4 HOH HOH 508 A HOH 9 4 HOH HOH 509 A HOH 10 4 HOH HOH 510 A HOH 11 4 HOH HOH 511 A HOH 12 4 HOH HOH 512 A HOH 13 4 HOH HOH 513 A HOH 14 4 HOH HOH 514 A HOH 15 4 HOH HOH 515 A HOH 16 4 HOH HOH 516 A HOH 17 4 HOH HOH 517 A HOH 18 4 HOH HOH 518 A HOH 19 4 HOH HOH 519 A HOH 20 4 HOH HOH 520 A HOH 21 4 HOH HOH 521 A HOH 22 4 HOH HOH 522 A HOH 23 4 HOH HOH 523 A HOH 24 4 HOH HOH 524 A HOH 25 4 HOH HOH 525 A HOH 26 4 HOH HOH 526 A HOH 27 4 HOH HOH 527 A HOH 28 4 HOH HOH 528 A HOH 29 4 HOH HOH 529 A HOH 30 4 HOH HOH 530 A HOH 31 4 HOH HOH 531 A HOH 32 4 HOH HOH 532 A HOH 33 4 HOH HOH 533 A HOH 34 4 HOH HOH 534 A HOH 35 4 HOH HOH 535 A HOH 36 4 HOH HOH 536 A HOH 37 4 HOH HOH 537 A HOH 38 4 HOH HOH 538 A HOH 39 4 HOH HOH 539 A HOH 40 4 HOH HOH 540 A HOH 41 4 HOH HOH 541 A HOH 42 4 HOH HOH 542 A HOH 43 4 HOH HOH 543 A HOH 44 4 HOH HOH 544 A HOH 45 4 HOH HOH 545 A HOH 46 4 HOH HOH 546 A HOH 47 4 HOH HOH 547 A HOH 48 4 HOH HOH 548 A HOH 49 4 HOH HOH 549 A HOH 50 4 HOH HOH 550 A HOH 51 4 HOH HOH 551 A HOH 52 4 HOH HOH 552 A HOH 53 4 HOH HOH 553 A HOH 54 4 HOH HOH 554 A HOH 55 4 HOH HOH 555 A HOH 56 4 HOH HOH 556 A HOH 57 4 HOH HOH 557 A HOH 58 4 HOH HOH 558 A HOH 59 4 HOH HOH 559 A HOH 60 4 HOH HOH 560 A HOH 61 4 HOH HOH 561 A HOH 62 4 HOH HOH 562 A HOH 63 4 HOH HOH 563 A HOH 64 4 HOH HOH 564 A HOH 65 4 HOH HOH 565 A HOH 66 4 HOH HOH 566 A HOH 67 4 HOH HOH 567 A HOH 68 4 HOH HOH 568 A HOH 69 4 HOH HOH 569 A HOH 70 4 HOH HOH 570 A HOH 71 4 HOH HOH 571 A HOH 72 4 HOH HOH 572 A HOH 73 4 HOH HOH 573 A HOH 74 4 HOH HOH 574 A HOH 75 4 HOH HOH 575 A HOH 76 4 HOH HOH 576 A HOH 77 4 HOH HOH 577 A HOH 78 4 HOH HOH 578 A HOH 79 4 HOH HOH 579 A HOH 80 4 HOH HOH 580 A HOH 81 4 HOH HOH 581 A HOH 82 4 HOH HOH 582 A HOH 83 4 HOH HOH 583 A HOH 84 4 HOH HOH 584 A HOH 85 4 HOH HOH 585 A HOH 87 4 HOH HOH 586 A HOH 88 4 HOH HOH 587 A HOH 89 4 HOH HOH 588 A HOH 90 4 HOH HOH 589 A HOH 91 4 HOH HOH 590 A HOH 92 4 HOH HOH 591 A HOH 94 4 HOH HOH 592 A HOH 95 4 HOH HOH 593 A HOH 96 4 HOH HOH 594 A HOH 97 4 HOH HOH 595 A HOH 98 4 HOH HOH 596 A HOH 99 4 HOH HOH 597 A HOH 100 4 HOH HOH 598 A HOH 105 4 HOH HOH 599 A HOH 106 4 HOH HOH 600 A HOH 110 4 HOH HOH 601 A HOH 112 4 HOH HOH 602 A HOH 113 4 HOH HOH 603 A n 1 -1 A n 2 0 A n 3 1 A n 4 2 A SER 3 n 5 SER 3 A LEU 4 n 6 LEU 4 A PRO 5 n 7 PRO 5 A VAL 6 n 8 VAL 6 A LEU 7 n 9 LEU 7 A GLN 8 n 10 GLN 8 A LYS 9 n 11 LYS 9 A GLU 10 n 12 GLU 10 A SER 11 n 13 SER 11 A VAL 12 n 14 VAL 12 A PHE 13 n 15 PHE 13 A GLN 14 n 16 GLN 14 A SER 15 n 17 SER 15 A GLY 16 n 18 GLY 16 A ALA 17 n 19 ALA 17 A HIS 18 n 20 HIS 18 A ALA 19 n 21 ALA 19 A TYR 20 n 22 TYR 20 A ARG 21 n 23 ARG 21 A ILE 22 n 24 ILE 22 A PRO 23 n 25 PRO 23 A ALA 24 n 26 ALA 24 A LEU 25 n 27 LEU 25 A LEU 26 n 28 LEU 26 A TYR 27 n 29 TYR 27 A LEU 28 n 30 LEU 28 A PRO 29 n 31 PRO 29 A GLY 30 n 32 GLY 30 A GLN 31 n 33 GLN 31 A GLN 32 n 34 GLN 32 A SER 33 n 35 SER 33 A LEU 34 n 36 LEU 34 A LEU 35 n 37 LEU 35 A ALA 36 n 38 ALA 36 A PHE 37 n 39 PHE 37 A ALA 38 n 40 ALA 38 A GLU 39 n 41 GLU 39 A GLN 40 n 42 GLN 40 A ARG 41 n 43 ARG 41 A ALA 42 n 44 ALA 42 A n 45 43 A n 46 44 A n 47 45 A n 48 46 A n 49 47 A n 50 48 A ALA 49 n 51 ALA 49 A GLU 50 n 52 GLU 50 A LEU 51 n 53 LEU 51 A ILE 52 n 54 ILE 52 A VAL 53 n 55 VAL 53 A LEU 54 n 56 LEU 54 A ARG 55 n 57 ARG 55 A ARG 56 n 58 ARG 56 A GLY 57 n 59 GLY 57 A ASP 58 n 60 ASP 58 A TYR 59 n 61 TYR 59 A ASP 60 n 62 ASP 60 A ALA 61 n 63 ALA 61 A PRO 62 n 64 PRO 62 A THR 63 n 65 THR 63 A HIS 64 n 66 HIS 64 A GLN 65 n 67 GLN 65 A VAL 66 n 68 VAL 66 A GLN 67 n 69 GLN 67 A TRP 68 n 70 TRP 68 A GLN 69 n 71 GLN 69 A ALA 70 n 72 ALA 70 A GLN 71 n 73 GLN 71 A GLU 72 n 74 GLU 72 A VAL 73 n 75 VAL 73 A VAL 74 n 76 VAL 74 A ALA 75 n 77 ALA 75 A GLN 76 n 78 GLN 76 A ALA 77 n 79 ALA 77 A ARG 78 n 80 ARG 78 A LEU 79 n 81 LEU 79 A ASP 80 n 82 ASP 80 A GLY 81 n 83 GLY 81 A HIS 82 n 84 HIS 82 A ARG 83 n 85 ARG 83 A SER 84 n 86 SER 84 A MET 85 n 87 MET 85 A ASN 86 n 88 ASN 86 A PRO 87 n 89 PRO 87 A CYS 88 n 90 CYS 88 A PRO 89 n 91 PRO 89 A LEU 90 n 92 LEU 90 A TYR 91 n 93 TYR 91 A ASP 92 n 94 ASP 92 A ALA 93 n 95 ALA 93 A GLN 94 n 96 GLN 94 A THR 95 n 97 THR 95 A GLY 96 n 98 GLY 96 A THR 97 n 99 THR 97 A LEU 98 n 100 LEU 98 A PHE 99 n 101 PHE 99 A LEU 100 n 102 LEU 100 A PHE 101 n 103 PHE 101 A PHE 102 n 104 PHE 102 A ILE 103 n 105 ILE 103 A ALA 104 n 106 ALA 104 A ILE 105 n 107 ILE 105 A PRO 106 n 108 PRO 106 A GLY 107 n 109 GLY 107 A GLN 108 n 110 GLN 108 A VAL 109 n 111 VAL 109 A n 112 110 A n 113 111 A n 114 112 A n 115 113 A n 116 114 A n 117 115 A n 118 116 A n 119 117 A ARG 118 n 120 ARG 118 A ALA 119 n 121 ALA 119 A ASN 120 n 122 ASN 120 A VAL 121 n 123 VAL 121 A THR 122 n 124 THR 122 A ARG 123 n 125 ARG 123 A LEU 124 n 126 LEU 124 A CYS 125 n 127 CYS 125 A GLN 126 n 128 GLN 126 A VAL 127 n 129 VAL 127 A THR 128 n 130 THR 128 A SER 129 n 131 SER 129 A THR 130 n 132 THR 130 A ASP 131 n 133 ASP 131 A HIS 132 n 134 HIS 132 A GLY 133 n 135 GLY 133 A ARG 134 n 136 ARG 134 A THR 135 n 137 THR 135 A TRP 136 n 138 TRP 136 A SER 137 n 139 SER 137 A SER 138 n 140 SER 138 A PRO 139 n 141 PRO 139 A ARG 140 n 142 ARG 140 A ASP 141 n 143 ASP 141 A LEU 142 n 144 LEU 142 A THR 143 n 145 THR 143 A ASP 144 n 146 ASP 144 A ALA 145 n 147 ALA 145 A ALA 146 n 148 ALA 146 A ILE 147 n 149 ILE 147 A GLY 148 n 150 GLY 148 A PRO 149 n 151 PRO 149 A ALA 150 n 152 ALA 150 A TYR 151 n 153 TYR 151 A ARG 152 n 154 ARG 152 A GLU 153 n 155 GLU 153 A TRP 154 n 156 TRP 154 A SER 155 n 157 SER 155 A THR 156 n 158 THR 156 A PHE 157 n 159 PHE 157 A ALA 158 n 160 ALA 158 A VAL 159 n 161 VAL 159 A GLY 160 n 162 GLY 160 A PRO 161 n 163 PRO 161 A GLY 162 n 164 GLY 162 A HIS 163 n 165 HIS 163 A CYS 164 n 166 CYS 164 A LEU 165 n 167 LEU 165 A GLN 166 n 168 GLN 166 A LEU 167 n 169 LEU 167 A ASN 168 n 170 ASN 168 A ASP 169 n 171 ASP 169 A ARG 170 n 172 ARG 170 A ALA 171 n 173 ALA 171 A ARG 172 n 174 ARG 172 A SER 173 n 175 SER 173 A LEU 174 n 176 LEU 174 A VAL 175 n 177 VAL 175 A VAL 176 n 178 VAL 176 A PRO 177 n 179 PRO 177 A ALA 178 n 180 ALA 178 A TYR 179 n 181 TYR 179 A ALA 180 n 182 ALA 180 A TYR 181 n 183 TYR 181 A ARG 182 n 184 ARG 182 A LYS 183 n 185 LYS 183 A LEU 184 n 186 LEU 184 A HIS 185 n 187 HIS 185 A PRO 186 n 188 PRO 186 A ILE 187 n 189 ILE 187 A GLN 188 n 190 GLN 188 A ARG 189 n 191 ARG 189 A PRO 190 n 192 PRO 190 A ILE 191 n 193 ILE 191 A PRO 192 n 194 PRO 192 A SER 193 n 195 SER 193 A ALA 194 n 196 ALA 194 A PHE 195 n 197 PHE 195 A CYS 196 n 198 CYS 196 A PHE 197 n 199 PHE 197 A LEU 198 n 200 LEU 198 A SER 199 n 201 SER 199 A HIS 200 n 202 HIS 200 A ASP 201 n 203 ASP 201 A HIS 202 n 204 HIS 202 A GLY 203 n 205 GLY 203 A ARG 204 n 206 ARG 204 A THR 205 n 207 THR 205 A TRP 206 n 208 TRP 206 A ALA 207 n 209 ALA 207 A ARG 208 n 210 ARG 208 A GLY 209 n 211 GLY 209 A HIS 210 n 212 HIS 210 A PHE 211 n 213 PHE 211 A VAL 212 n 214 VAL 212 A ALA 213 n 215 ALA 213 A GLN 214 n 216 GLN 214 A ASP 215 n 217 ASP 215 A THR 216 n 218 THR 216 A LEU 217 n 219 LEU 217 A GLU 218 n 220 GLU 218 A CYS 219 n 221 CYS 219 A GLN 220 n 222 GLN 220 A VAL 221 n 223 VAL 221 A ALA 222 n 224 ALA 222 A GLU 223 n 225 GLU 223 A VAL 224 n 226 VAL 224 A GLU 225 n 227 GLU 225 A THR 226 n 228 THR 226 A n 229 227 A n 230 228 A GLN 229 n 231 GLN 229 A ARG 230 n 232 ARG 230 A VAL 231 n 233 VAL 231 A VAL 232 n 234 VAL 232 A THR 233 n 235 THR 233 A LEU 234 n 236 LEU 234 A ASN 235 n 237 ASN 235 A ALA 236 n 238 ALA 236 A ARG 237 n 239 ARG 237 A SER 238 n 240 SER 238 A HIS 239 n 241 HIS 239 A LEU 240 n 242 LEU 240 A ARG 241 n 243 ARG 241 A ALA 242 n 244 ALA 242 A ARG 243 n 245 ARG 243 A VAL 244 n 246 VAL 244 A GLN 245 n 247 GLN 245 A ALA 246 n 248 ALA 246 A GLN 247 n 249 GLN 247 A SER 248 n 250 SER 248 A THR 249 n 251 THR 249 A ASN 250 n 252 ASN 250 A ASP 251 n 253 ASP 251 A GLY 252 n 254 GLY 252 A LEU 253 n 255 LEU 253 A ASP 254 n 256 ASP 254 A PHE 255 n 257 PHE 255 A GLN 256 n 258 GLN 256 A GLU 257 n 259 GLU 257 A SER 258 n 260 SER 258 A GLN 259 n 261 GLN 259 A LEU 260 n 262 LEU 260 A VAL 261 n 263 VAL 261 A LYS 262 n 264 LYS 262 A LYS 263 n 265 LYS 263 A LEU 264 n 266 LEU 264 A VAL 265 n 267 VAL 265 A GLU 266 n 268 GLU 266 A PRO 267 n 269 PRO 267 A PRO 268 n 270 PRO 268 A PRO 269 n 271 PRO 269 A GLN 270 n 272 GLN 270 A GLY 271 n 273 GLY 271 A CYS 272 n 274 CYS 272 A GLN 273 n 275 GLN 273 A GLY 274 n 276 GLY 274 A SER 275 n 277 SER 275 A VAL 276 n 278 VAL 276 A ILE 277 n 279 ILE 277 A SER 278 n 280 SER 278 A PHE 279 n 281 PHE 279 A PRO 280 n 282 PRO 280 A SER 281 n 283 SER 281 A PRO 282 n 284 PRO 282 A ARG 283 n 285 ARG 283 A n 286 284 A n 287 285 A n 288 286 A n 289 287 A n 290 288 A n 291 289 A ALA 290 n 292 ALA 290 A GLN 291 n 293 GLN 291 A TRP 292 n 294 TRP 292 A LEU 293 n 295 LEU 293 A LEU 294 n 296 LEU 294 A TYR 295 n 297 TYR 295 A THR 296 n 298 THR 296 A HIS 297 n 299 HIS 297 A PRO 298 n 300 PRO 298 A THR 299 n 301 THR 299 A HIS 300 n 302 HIS 300 A SER 301 n 303 SER 301 A TRP 302 n 304 TRP 302 A GLN 303 n 305 GLN 303 A ARG 304 n 306 ARG 304 A ALA 305 n 307 ALA 305 A ASP 306 n 308 ASP 306 A LEU 307 n 309 LEU 307 A GLY 308 n 310 GLY 308 A ALA 309 n 311 ALA 309 A TYR 310 n 312 TYR 310 A LEU 311 n 313 LEU 311 A ASN 312 n 314 ASN 312 A PRO 313 n 315 PRO 313 A ARG 314 n 316 ARG 314 A PRO 315 n 317 PRO 315 A PRO 316 n 318 PRO 316 A ALA 317 n 319 ALA 317 A PRO 318 n 320 PRO 318 A GLU 319 n 321 GLU 319 A ALA 320 n 322 ALA 320 A TRP 321 n 323 TRP 321 A SER 322 n 324 SER 322 A GLU 323 n 325 GLU 323 A PRO 324 n 326 PRO 324 A VAL 325 n 327 VAL 325 A LEU 326 n 328 LEU 326 A LEU 327 n 329 LEU 327 A ALA 328 n 330 ALA 328 A LYS 329 n 331 LYS 329 A GLY 330 n 332 GLY 330 A SER 331 n 333 SER 331 A CYS 332 n 334 CYS 332 A ALA 333 n 335 ALA 333 A TYR 334 n 336 TYR 334 A SER 335 n 337 SER 335 A ASP 336 n 338 ASP 336 A LEU 337 n 339 LEU 337 A GLN 338 n 340 GLN 338 A SER 339 n 341 SER 339 A MET 340 n 342 MET 340 A GLY 341 n 343 GLY 341 A THR 342 n 344 THR 342 A GLY 343 n 345 GLY 343 A PRO 344 n 346 PRO 344 A ASP 345 n 347 ASP 345 A GLY 346 n 348 GLY 346 A SER 347 n 349 SER 347 A PRO 348 n 350 PRO 348 A LEU 349 n 351 LEU 349 A PHE 350 n 352 PHE 350 A GLY 351 n 353 GLY 351 A CYS 352 n 354 CYS 352 A LEU 353 n 355 LEU 353 A TYR 354 n 356 TYR 354 A GLU 355 n 357 GLU 355 A ALA 356 n 358 ALA 356 A ASN 357 n 359 ASN 357 A ASP 358 n 360 ASP 358 A TYR 359 n 361 TYR 359 A GLU 360 n 362 GLU 360 A GLU 361 n 363 GLU 361 A ILE 362 n 364 ILE 362 A VAL 363 n 365 VAL 363 A PHE 364 n 366 PHE 364 A LEU 365 n 367 LEU 365 A MET 366 n 368 MET 366 A PHE 367 n 369 PHE 367 A THR 368 n 370 THR 368 A LEU 369 n 371 LEU 369 A LYS 370 n 372 LYS 370 A GLN 371 n 373 GLN 371 A ALA 372 n 374 ALA 372 A PHE 373 n 375 PHE 373 A PRO 374 n 376 PRO 374 A ALA 375 n 377 ALA 375 A GLU 376 n 378 GLU 376 A TYR 377 n 379 TYR 377 A LEU 378 n 380 LEU 378 A n 381 379 A n 382 380 A author_and_software_defined_assembly PISA 1 monomeric 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 GLU 10 A N GLU 12 A O PHE 364 A O PHE 366 A O LEU 365 A O LEU 367 A N CYS 352 A N CYS 354 A O LEU 349 A O LEU 351 A N GLY 341 A N GLY 343 A O GLY 330 A O GLY 332 A N ASP 306 A N ASP 308 A O ASN 312 A O ASN 314 A N LEU 293 A N LEU 295 A O LEU 294 A O LEU 296 A N ILE 277 A N ILE 279 A N ALA 24 A N ALA 26 A O PHE 37 A O PHE 39 A N ALA 36 A N ALA 38 A O ARG 55 A O ARG 57 A N ASP 60 A N ASP 62 A O GLN 65 A O GLN 67 A N ALA 24 A N ALA 26 A O PHE 37 A O PHE 39 A N ALA 36 A N ALA 38 A O ARG 55 A O ARG 57 A N LEU 54 A N LEU 56 A O GLU 72 A O GLU 74 A N ARG 83 A N ARG 85 A O ILE 105 A O ILE 107 A N ALA 104 A N ALA 106 A O ARG 123 A O ARG 125 A N GLN 126 A N GLN 128 A O ARG 140 A O ARG 142 A N THR 156 A N THR 158 A O TYR 181 A O TYR 183 A O VAL 175 A O VAL 177 A N LEU 165 A N LEU 167 A N THR 156 A N THR 158 A O TYR 181 A O TYR 183 A N ARG 182 A N ARG 184 A O ILE 191 A O ILE 193 A N LEU 198 A N LEU 200 A O ALA 207 A O ALA 209 A N ALA 222 A N ALA 224 A O THR 233 A O THR 235 A N ALA 236 A N ALA 238 A O VAL 244 A O VAL 246 A N GLN 245 A N GLN 247 A O GLN 259 A O GLN 261 1 A O LEU 378 A O LEU 380 1 Y 1 A GLY -1 A GLY 1 1 Y 1 A SER 0 A SER 2 1 Y 1 A MET 1 A MET 3 1 Y 1 A ALA 2 A ALA 4 1 Y 1 A SER 43 A SER 45 1 Y 1 A LYS 44 A LYS 46 1 Y 1 A LYS 45 A LYS 47 1 Y 1 A ALA 46 A ALA 48 1 Y 1 A GLU 47 A GLU 49 1 Y 1 A HIS 48 A HIS 50 1 Y 1 A THR 110 A THR 112 1 Y 1 A GLU 111 A GLU 113 1 Y 1 A GLN 112 A GLN 114 1 Y 1 A GLN 113 A GLN 115 1 Y 1 A GLN 114 A GLN 116 1 Y 1 A LEU 115 A LEU 117 1 Y 1 A GLN 116 A GLN 118 1 Y 1 A THR 117 A THR 119 1 Y 1 A GLY 227 A GLY 229 1 Y 1 A GLU 228 A GLU 230 1 Y 1 A SER 284 A SER 286 1 Y 1 A GLY 285 A GLY 287 1 Y 1 A PRO 286 A PRO 288 1 Y 1 A GLY 287 A GLY 289 1 Y 1 A SER 288 A SER 290 1 Y 1 A PRO 289 A PRO 291 1 Y 1 A PRO 379 A PRO 381 1 Y 1 A GLN 380 A GLN 382 1 Y 1 A A PRO PRO 268 269 -123.81 1 7.62 1.10 114.20 121.82 A A A CA CB SG CYS CYS CYS 164 164 164 N 1 11.41 1.50 119.30 130.71 A A A C N CA PRO PRO PRO 267 268 268 Y 1 -13.13 2.10 128.40 115.27 A A A C N CD PRO PRO PRO 268 269 269 Y 1 A A OD2 OE2 ASP GLU 144 376 2.10 1_555 6_555 1 A LEU 4 -38.79 146.49 1 A ILE 22 71.73 76.02 1 A GLN 32 39.92 32.67 1 A GLU 50 20.15 -102.15 1 A GLN 108 -61.38 26.64 1 A TYR 151 -37.55 -37.31 1 A CYS 164 -106.40 -165.60 1 A ASN 168 -99.44 30.76 1 A ALA 213 174.21 153.24 1 A LEU 217 -119.16 -133.74 1 A PHE 255 -106.83 69.74 1 A PRO 268 -39.17 -178.51 1 A PRO 269 22.33 -82.61 1 A GLN 270 -151.19 43.05 1 A HIS 297 -177.37 149.25 1 A ASP 306 72.68 71.68 1 A ALA 317 -39.42 117.42 1 A ALA 333 -132.12 -119.37 1 A ALA 333 -125.51 -119.37 1 A TYR 359 59.17 19.60 1 A TYR 377 55.45 -162.97 37.561 0.58 0.00 0.00 0.81 0.00 -1.39 0.953 0.891 0.26311 0.17408 0.17840 2.513 46.20 597 11940 11706 4.9 98.82 11.023 0.247 RANDOM 1 THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.338 0.80 0.80 1.20 PDB ENTRY 1VCU MAXIMUM LIKELIHOOD MASK 2.513 46.20 103 2919 31 0 2785 0.012 0.019 2913 1.722 1.959 3979 8.069 5.000 355 37.023 23.165 139 18.281 15.000 433 18.874 15.000 24 0.096 0.200 431 0.009 0.021 2279 2.565 3.568 1422 4.120 5.324 1773 3.203 3.878 1491 8.201 30.482 4431 0.347 0.230 2.578 40 791 20 91.42 2.513 46.20 4NC5 11940 11706 0 0 1 98.8 2.513 2.578 1 91.4 phasing MOLREP refinement REFMAC 5.7.32 data reduction HKL-2000 data scaling SCALEPACK Human sialidase 2 in complex with 2,3-difluorosialic acid (covalent intermediate) 1 N N 2 N N 3 N N 3 N N 4 N N A PRO 29 A PRO 31 HELX_P A GLN 31 A GLN 33 5 1 3 A ALA 61 A ALA 63 HELX_P A HIS 64 A HIS 66 5 2 4 A LEU 142 A LEU 144 HELX_P A GLY 148 A GLY 150 1 3 7 A PRO 149 A PRO 151 HELX_P A ARG 152 A ARG 154 5 4 4 A ALA 317 A ALA 319 HELX_P A TRP 321 A TRP 323 5 5 5 A LEU 369 A LEU 371 HELX_P A PHE 373 A PHE 375 1 6 5 A PRO 374 A PRO 376 HELX_P A TYR 377 A TYR 379 5 7 4 disulf 2.077 A A CYS 88 A SG CYS 90 1_555 A CYS 164 A SG CYS 166 1_555 covale 2.115 one A TYR 334 A OH TYR 336 1_555 A FSI 401 B C2 FSI 1_555 HYDROLASE Human neuraminidase, sialidase, HYDROLASE A GLY 160 A GLY 162 1 A PRO 161 A PRO 163 1.57 A PRO 315 A PRO 317 1 A PRO 316 A PRO 318 0.20 NEUR2_HUMAN UNP 1 1 Q9Y3R4 MASLPVLQKESVFQSGAHAYRIPALLYLPGQQSLLAFAEQRASKKDEHAELIVLRRGDYDAPTHQVQWQAQEVVAQARLD GHRSMNPCPLYDAQTGTLFLFFIAIPGQVTEQQQLQTRANVTRLCQVTSTDHGRTWSSPRDLTDAAIGPAYREWSTFAVG PGHCLQLHDRARSLVVPAYAYRKLHPIQRPIPSAFCFLSHDHGRTWARGHFVAQDTLECQVAEVETGEQRVVTLNARSHL RARVQAQSTNDGLDFQESQLVKKLVEPPPQGCQGSVISFPSPRSGPGSPAQWLLYTHPTHSWQRADLGAYLNPRPPAPEA WSEPVLLAKGSCAYSDLQSMGTGPDGSPLFGCLYEANDYEEIVFLMFTLKQAFPAEYLPQ 1 380 4NC5 1 380 Q9Y3R4 A 1 3 382 1 expression tag GLY -1 4NC5 A Q9Y3R4 UNP 1 1 expression tag SER 0 4NC5 A Q9Y3R4 UNP 2 1 ASP engineered mutation ALA 46 4NC5 A Q9Y3R4 UNP 46 48 1 HIS engineered mutation ASN 168 4NC5 A Q9Y3R4 UNP 168 170 7 4 4 4 3 4 4 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLN 8 A GLN 10 A GLN 14 A GLN 16 A GLU 361 A GLU 363 A THR 368 A THR 370 A PRO 348 A PRO 350 A ALA 356 A ALA 358 A VAL 325 A VAL 327 A THR 342 A THR 344 A ALA 305 A ALA 307 A ASN 312 A ASN 314 A GLN 291 A GLN 293 A PRO 298 A PRO 300 A SER 275 A SER 277 A PRO 280 A PRO 282 A ALA 19 A ALA 21 A LEU 28 A LEU 30 A SER 33 A SER 35 A ARG 41 A ARG 43 A LEU 51 A LEU 53 A ASP 60 A ASP 62 A GLN 65 A GLN 67 A TRP 68 A TRP 70 A ALA 19 A ALA 21 A LEU 28 A LEU 30 A SER 33 A SER 35 A ARG 41 A ARG 43 A LEU 51 A LEU 53 A ASP 60 A ASP 62 A GLU 72 A GLU 74 A VAL 73 A VAL 75 A HIS 82 A HIS 84 A ASP 92 A ASP 94 A THR 97 A THR 99 A PRO 106 A PRO 108 A ARG 123 A ARG 125 A SER 129 A SER 131 A ARG 140 A ARG 142 A ASP 141 A ASP 143 A TRP 154 A TRP 156 A VAL 159 A VAL 161 A LEU 174 A LEU 176 A ARG 182 A ARG 184 A LEU 165 A LEU 167 A GLN 166 A GLN 168 A TRP 154 A TRP 156 A VAL 159 A VAL 161 A LEU 174 A LEU 176 A ARG 182 A ARG 184 A ILE 191 A ILE 193 A SER 199 A SER 201 A ALA 207 A ALA 209 A ARG 208 A ARG 210 A THR 216 A THR 218 A VAL 224 A VAL 226 A VAL 231 A VAL 233 A SER 238 A SER 240 A ALA 242 A ALA 244 A SER 248 A SER 250 A GLU 257 A GLU 259 A VAL 265 A VAL 267 20 C 2 2 21