0.019743 0.011399 0.000000 0.000000 0.022798 0.000000 0.000000 0.000000 0.013423 0.00000 0.00000 0.00000 Wlodawer, A. Gustchina, A. Reshetnikova, L. Lubkowski, J. Zdanov, A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 6 90.00 90.00 120.00 50.650 50.650 74.500 C2 H4 O 44.053 ACETYL GROUP non-polymer C3 H7 N O2 89.093 y ALANINE L-peptide linking C13 H13 N O2 215.248 n NAPHTHALEN-2-YL-3-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 H2 N 16.023 AMINO GROUP 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 C8 H17 N O3 175.225 STATINE peptide-like C4 H9 N O3 119.119 y THREONINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N C N 2 N O N 3 N C N 4 N H N 5 N H N 6 N H N 7 N H N 8 N N N 9 S C N 10 N C N 11 N O N 12 N C N 13 N O N 14 N H N 15 N H N 16 N H N 17 N H N 18 N H N 19 N H N 20 N H N 21 N N N 22 S C N 23 N C N 24 N O N 25 N C Y 26 N C Y 27 N C Y 28 N C Y 29 N C Y 30 N C Y 31 N C Y 32 N C Y 33 N C Y 34 N C Y 35 N C N 36 N O N 37 N H N 38 N H N 39 N H N 40 N H N 41 N H N 42 N H N 43 N H N 44 N H N 45 N H N 46 N H N 47 N H N 48 N H N 49 N H N 50 N N N 51 S C N 52 N C N 53 N O N 54 N C N 55 N C N 56 N C N 57 N N N 58 N C N 59 N N N 60 N N N 61 N O N 62 N H N 63 N H N 64 N H N 65 N H N 66 N H 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 H N 75 N H N 76 N H N 77 N N N 78 S C N 79 N C N 80 N O N 81 N C N 82 N C N 83 N O N 84 N N N 85 N O N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N O N 101 N O N 102 N O 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 H N 110 N N N 111 R C N 112 N C N 113 N O N 114 N C N 115 N S N 116 N O 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 N N 125 S C N 126 N C N 127 N O N 128 N C N 129 N C N 130 N C N 131 N O N 132 N N N 133 N O N 134 N H N 135 N H N 136 N H N 137 N H 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 N N 145 S C N 146 N C N 147 N O N 148 N C N 149 N C N 150 N C N 151 N O N 152 N O N 153 N O N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N N N 164 N C N 165 N C N 166 N O N 167 N O N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N N N 174 S C N 175 N C N 176 N O N 177 N C Y 178 N C Y 179 N N Y 180 N C Y 181 N C Y 182 N N N 183 N O N 184 N H N 185 N H N 186 N H N 187 N H 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 O N 195 N H N 196 N H N 197 N N N 198 S C N 199 N C N 200 N O N 201 S C N 202 N C N 203 N C N 204 N C N 205 N O N 206 N H N 207 N H N 208 N H N 209 N H 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 N N 220 S C N 221 N C N 222 N O N 223 N C N 224 N C N 225 N C N 226 N C N 227 N O N 228 N H N 229 N H N 230 N H N 231 N H 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 N N 242 S C N 243 N C N 244 N O N 245 N C N 246 N C N 247 N C N 248 N C N 249 N N N 250 N O N 251 N H N 252 N H N 253 N H N 254 N H 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 N N 267 S C N 268 N C N 269 N O N 270 N C N 271 N C N 272 N S N 273 N C N 274 N O N 275 N H N 276 N H N 277 N H N 278 N H 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 N N 287 N H N 288 N H N 289 N N N 290 S C N 291 N C N 292 N O N 293 N C Y 294 N C Y 295 N C Y 296 N C Y 297 N C Y 298 N C Y 299 N C N 300 N O N 301 N H 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 N N 313 S C N 314 N C N 315 N O N 316 N C N 317 N C N 318 N C N 319 N O N 320 N H N 321 N H N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H N 327 N H N 328 N H N 329 N N N 330 S C N 331 N C N 332 N O N 333 N C N 334 N O 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 N N 344 S C N 345 N C N 346 N C N 347 N C N 348 N C N 349 S C N 350 N O N 351 N C N 352 N C N 353 N O N 354 N O N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 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 R C N 377 N O 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 N N 390 S C N 391 N C N 392 N O N 393 N C Y 394 N C Y 395 N C Y 396 N C Y 397 N C Y 398 N C Y 399 N C N 400 N O N 401 N O N 402 N H N 403 N H N 404 N H N 405 N H 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 N N 414 S C N 415 N C N 416 N O N 417 N C N 418 N C N 419 N C N 420 N O N 421 N H N 422 N H N 423 N H N 424 N H 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 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N doub N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N doub N 26 N sing N 27 N sing N 28 N sing N 29 N sing Y 30 N doub Y 31 N sing Y 32 N sing N 33 N sing Y 34 N doub N 35 N sing Y 36 N doub Y 37 N sing Y 38 N sing Y 39 N sing N 40 N sing Y 41 N doub N 42 N sing Y 43 N sing N 44 N sing Y 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N doub N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N doub 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 sing N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N doub N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N doub 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 doub N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N doub 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 doub N 113 N sing N 114 N sing N 115 N sing N 116 N sing 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 doub N 126 N sing 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 doub N 134 N sing N 135 N sing N 136 N sing N 137 N sing 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 doub N 145 N sing N 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 doub N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N doub 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 doub N 172 N sing N 173 N sing N 174 N sing N 175 N sing Y 176 N sing Y 177 N doub Y 178 N doub N 179 N sing Y 180 N sing N 181 N sing Y 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 doub N 195 N sing N 196 N sing N 197 N sing N 198 N sing 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 doub 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 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 doub 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 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 doub N 261 N sing N 262 N sing N 263 N sing N 264 N sing 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 doub N 282 N sing N 283 N sing N 284 N sing N 285 N sing Y 286 N doub Y 287 N sing Y 288 N sing N 289 N sing Y 290 N doub N 291 N sing Y 292 N doub N 293 N sing Y 294 N sing N 295 N sing N 296 N sing 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 doub 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 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 doub N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N doub 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 doub N 363 N sing N 364 N sing 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 N 376 N sing N 377 N sing N 378 N doub N 379 N sing N 380 N sing N 381 N sing N 382 N sing Y 383 N doub Y 384 N sing Y 385 N sing N 386 N sing Y 387 N doub N 388 N sing Y 389 N doub N 390 N sing Y 391 N sing N 392 N sing N 393 N sing N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N doub N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N sing N 408 N sing N 409 N sing N 410 N sing N 411 N sing N 412 N sing N 413 N sing US Nat.Struct.Biol. NSBIEW 2024 1072-8368 2 480 488 10.1038/nsb0695-480 7664111 Structure of an inhibitor complex of the proteinase from feline immunodeficiency virus. 1995 10.2210/pdb1fiv/pdb pdb_00001fiv 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 1994-09-02 M x-ray 1 1.0 12842.825 FIV PROTEASE 3.4.23.16 1 man polymer 821.981 FIV PROTEASE INHIBITOR ACE-ALN-VAL-STA-GLU-ALN-NH2 1 syn polymer 18.015 water 94 nat water FIV PROTEASE INHIBITOR LP-149 no no VGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRDFQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQ CIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVM VGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRDFQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQ CIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVM A polypeptide(L) no yes (ACE)(ALN)V(STA)E(ALN)(NH2) XAVXEAX B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n sample 11673 Feline immunodeficiency virus 562 Escherichia coli 2.06 40.19 pdbx_database_status pdbx_struct_special_symmetry software struct_conn software chem_comp_atom chem_comp_bond database_2 pdbx_entry_details pdbx_modification_feature repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance Derived calculations Other Data collection Derived calculations Other Refinement description Data collection Refinement description Data collection Database references Structure summary 1 0 1995-07-31 1 1 2008-03-03 1 2 2011-07-13 1 3 2012-02-01 1 4 2012-12-12 1 5 2019-07-17 1 6 2019-08-14 1 7 2025-03-26 _pdbx_database_status.process_site _software.classification _struct_conn.pdbx_leaving_atom_flag _software.classification _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_entry_details.has_protein_modification Y BNL 1995-05-04 REL REL HOH water THE INHIBITOR ACE-ALN-VAL-STA-GLU-ALN-NH2 IS DISORDERED AROUND THE TWO-FOLD CRYSTALLOGRAPHIC AXIS. APPLICATION OF CRYSTALLOGRAPHIC SYMMETRY RESULTS IN THE OVERLAP OF THE TWO ORIENTATIONS. THE OCCUPANCY OF EACH ORIENTATION IS 1/2. Y B ALN 202 Non-standard residue B ALN 2 ALN 1 1_555 None B STA 204 Non-standard residue B STA 4 STA 1 1_555 None B ALN 206 Non-standard residue B ALN 6 ALN 1 1_555 None B ACE 201 Terminal acetylation B ACE 1 B ALN 202 ALN B ALN 2 1_555 ACE 42 1_555 None B NH2 207 Terminal amidation B NH2 7 B ALN 206 ALN B ALN 6 1_555 NH2 42 1_555 None Inhibitor FIV PROTEASE INHIBITOR LP-149; Ac-NA-Val-Sta-Glu-NA-NH2 Peptide-like 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 301 3 HOH HOH 301 B VAL 4 n 1 VAL 4 A GLY 5 n 2 GLY 5 A THR 6 n 3 THR 6 A THR 7 n 4 THR 7 A THR 8 n 5 THR 8 A THR 9 n 6 THR 9 A LEU 10 n 7 LEU 10 A GLU 11 n 8 GLU 11 A LYS 12 n 9 LYS 12 A ARG 13 n 10 ARG 13 A PRO 14 n 11 PRO 14 A GLU 15 n 12 GLU 15 A ILE 16 n 13 ILE 16 A LEU 17 n 14 LEU 17 A ILE 18 n 15 ILE 18 A PHE 19 n 16 PHE 19 A VAL 20 n 17 VAL 20 A ASN 21 n 18 ASN 21 A GLY 22 n 19 GLY 22 A TYR 23 n 20 TYR 23 A PRO 24 n 21 PRO 24 A ILE 25 n 22 ILE 25 A LYS 26 n 23 LYS 26 A PHE 27 n 24 PHE 27 A LEU 28 n 25 LEU 28 A LEU 29 n 26 LEU 29 A ASP 30 n 27 ASP 30 A THR 31 n 28 THR 31 A GLY 32 n 29 GLY 32 A ALA 33 n 30 ALA 33 A ASP 34 n 31 ASP 34 A ILE 35 n 32 ILE 35 A THR 36 n 33 THR 36 A ILE 37 n 34 ILE 37 A LEU 38 n 35 LEU 38 A ASN 39 n 36 ASN 39 A ARG 40 n 37 ARG 40 A ARG 41 n 38 ARG 41 A ASP 42 n 39 ASP 42 A PHE 43 n 40 PHE 43 A GLN 44 n 41 GLN 44 A VAL 45 n 42 VAL 45 A LYS 46 n 43 LYS 46 A ASN 47 n 44 ASN 47 A SER 48 n 45 SER 48 A ILE 49 n 46 ILE 49 A GLU 50 n 47 GLU 50 A ASN 51 n 48 ASN 51 A GLY 52 n 49 GLY 52 A ARG 53 n 50 ARG 53 A GLN 54 n 51 GLN 54 A ASN 55 n 52 ASN 55 A MET 56 n 53 MET 56 A ILE 57 n 54 ILE 57 A GLY 58 n 55 GLY 58 A VAL 59 n 56 VAL 59 A GLY 60 n 57 GLY 60 A GLY 61 n 58 GLY 61 A GLY 62 n 59 GLY 62 A LYS 63 n 60 LYS 63 A ARG 64 n 61 ARG 64 A GLY 65 n 62 GLY 65 A THR 66 n 63 THR 66 A ASN 67 n 64 ASN 67 A TYR 68 n 65 TYR 68 A ILE 69 n 66 ILE 69 A ASN 70 n 67 ASN 70 A VAL 71 n 68 VAL 71 A HIS 72 n 69 HIS 72 A LEU 73 n 70 LEU 73 A GLU 74 n 71 GLU 74 A ILE 75 n 72 ILE 75 A ARG 76 n 73 ARG 76 A ASP 77 n 74 ASP 77 A GLU 78 n 75 GLU 78 A ASN 79 n 76 ASN 79 A TYR 80 n 77 TYR 80 A LYS 81 n 78 LYS 81 A THR 82 n 79 THR 82 A GLN 83 n 80 GLN 83 A CYS 84 n 81 CYS 84 A ILE 85 n 82 ILE 85 A PHE 86 n 83 PHE 86 A GLY 87 n 84 GLY 87 A ASN 88 n 85 ASN 88 A VAL 89 n 86 VAL 89 A CYS 90 n 87 CYS 90 A VAL 91 n 88 VAL 91 A LEU 92 n 89 LEU 92 A GLU 93 n 90 GLU 93 A ASP 94 n 91 ASP 94 A ASN 95 n 92 ASN 95 A SER 96 n 93 SER 96 A LEU 97 n 94 LEU 97 A ILE 98 n 95 ILE 98 A GLN 99 n 96 GLN 99 A PRO 100 n 97 PRO 100 A LEU 101 n 98 LEU 101 A LEU 102 n 99 LEU 102 A GLY 103 n 100 GLY 103 A ARG 104 n 101 ARG 104 A ASP 105 n 102 ASP 105 A ASN 106 n 103 ASN 106 A MET 107 n 104 MET 107 A ILE 108 n 105 ILE 108 A LYS 109 n 106 LYS 109 A PHE 110 n 107 PHE 110 A ASN 111 n 108 ASN 111 A ILE 112 n 109 ILE 112 A ARG 113 n 110 ARG 113 A LEU 114 n 111 LEU 114 A VAL 115 n 112 VAL 115 A MET 116 n 113 MET 116 A ACE 201 n 1 ACE 201 B ALN 202 n 2 ALN 202 B VAL 203 n 3 VAL 203 B STA 204 n 4 STA 204 B GLU 205 n 5 GLU 205 B ALN 206 n 6 ALN 206 B NH2 207 n 7 NH2 207 B author_defined_assembly 4 tetrameric B ALN 202 NAPHTHALEN-2-YL-3-ALANINE B ALN 2 ALA B ALN 206 NAPHTHALEN-2-YL-3-ALANINE B ALN 6 ALA 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 5_555 x-y,-y,-z+2/3 crystal symmetry operation 0.0000000000 0.0000000000 49.6666666667 A O TYR 23 A O TYR 20 A N VAL 20 A N VAL 17 A O PHE 19 A O PHE 16 A N GLU 74 A N GLU 71 A O VAL 71 A O VAL 68 A N GLY 87 A N GLY 84 A O LEU 38 A O LEU 35 A N CYS 90 A N CYS 87 A O VAL 89 A O VAL 86 A N TYR 68 A N TYR 65 A O GLY 61 A O GLY 58 A N GLY 58 A N GLY 55 1 B STA 204 B STA 4 1 A A O O HOH HOH 337 339 2.03 1 A A OD2 O ASP HOH 42 310 2.15 1 B STA 204 31.63 1 B B STA GLU 204 205 -121.62 1 -4.00 0.50 120.30 116.30 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 1 -7.19 0.90 118.30 111.11 A A A CB CG OD1 ASP ASP ASP 30 30 30 N 1 12.95 0.90 118.30 131.25 A A A CB CG OD2 ASP ASP ASP 30 30 30 N 1 6.51 0.90 118.30 124.81 A A A CB CG OD1 ASP ASP ASP 34 34 34 N 1 10.03 1.60 122.70 132.73 A A A O C N ILE ILE GLU 49 49 50 Y 1 -11.79 1.80 110.60 98.81 A A A N CA CB GLN GLN GLN 54 54 54 N 1 4.69 0.60 121.00 125.69 A A A CB CG CD2 TYR TYR TYR 80 80 80 N 1 13.86 2.20 113.40 127.26 A A A CA CB CG GLN GLN GLN 83 83 83 N 1 9.49 1.10 114.20 123.69 A A A CA CB SG CYS CYS CYS 84 84 84 A A A N 1 7.56 0.90 118.30 125.86 A A A CB CG OD1 ASP ASP ASP 94 94 94 N 1 4.17 0.50 120.30 124.47 A A A NE CZ NH2 ARG ARG ARG 104 104 104 N 1 10.36 1.60 100.20 110.56 A A A CG SD CE MET MET MET 107 107 107 N 1 15.39 1.40 123.60 138.99 A A A CD NE CZ ARG ARG ARG 113 113 113 N 1 25.38 2.20 117.20 142.58 B B B CA C N STA STA GLU 204 204 205 Y 1 B B CD OE2 GLU GLU 205 205 0.072 0.011 1.252 1.324 N 1 A LYS 46 48.99 -125.85 1 A ASN 51 -140.01 38.52 0.148 0.148 2.0 10.0 6527 1 2.0 10.0 94 1055 0 0 961 0.017 1.268 1.500 2.004 2.000 3.908 3.000 5.767 4.000 1FIV 7033 0.06 1 3.2 90. model building X-PLOR refinement PROLSQ refinement X-PLOR data reduction XENGEN phasing X-PLOR STRUCTURE OF AN INHIBITOR COMPLEX OF PROTEINASE FROM FELINE IMMUNODEFICIENCY VIRUS 1 N N 2 N N 3 N N 3 N N THIS FILE CONTAINS ONLY A MONOMER. IN ORDER TO CREATE A DIMERIC MOLECULE, CRYSTALLOGRAPHIC COORDINATES NEED TO BE TRANSFORMED TO (X-Y), -Y, (2/3-Z). A ARG 40 A ARG 37 HELX_P A ASP 42 A ASP 39 5 1 3 A ARG 104 A ARG 101 HELX_P A LYS 109 A LYS 106 1 2 6 covale 1.362 both B ACE 201 B C ACE 1 1_555 B ALN 202 B N ALN 2 1_555 covale 1.349 both B ALN 202 B C ALN 2 1_555 B VAL 203 B N VAL 3 1_555 covale 1.365 both B VAL 203 B C VAL 3 1_555 B STA 204 B N STA 4 1_555 covale 1.350 both B STA 204 B C STA 4 1_555 B GLU 205 B N GLU 5 1_555 covale 1.353 both B GLU 205 B C GLU 5 1_555 B ALN 206 B N ALN 6 1_555 covale 1.216 both B ALN 206 B C ALN 6 1_555 B NH2 207 B N NH2 7 1_555 HYDROLASE/HYDROLASE INHIBITOR ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX POL_FIVPE UNP 1 1 P16088 KEFGKLEGGASCSPSESNAASSNAICTSNGGETIGFVNYNKVGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRD FQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQCIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVMAQISDK IPVVKVKMKDPNKGPQIKQWPLTNEKIEALTEIVERLEKEGKVKRADSNNPWNTPVFAIKKKSGKWRMLIDFRELNKLTE KGAEVQLGLPHPAGLQIKKQVTVLDIGDAYFTIPLDPDYAPYTAFTLPRKNNAGPGRRFVWCSLPQGWILSPLIYQSTLD NIIQPFIRQNPQLDIYQYMDDIYIGSNLSKKEHKEKVEELRKLLLWWGFETPEDKLQEEPPYTWMGYELHPLTWTIQQKQ LDIPEQPTLNELQKLAGKINWASQAIPDLSIKALTNMMRGNQNLNSTRQWTKEARLEVQKAKKAIEEQVQLGYYDPSKEL YAKLSLVGPHQISYQVYQKDPEKILWYGKMSRQKKKAENTCDIALRACYKIREESIIRIGKEPRYEIPTSREAWESNLIN SPYLKAPPPEVEYIHAALNIKRALSMIKDAPIPGAETWYIDGGRKLGKAAKAAYWTDTGKWRVMDLEGSNQKAEIQALLL ALKAGSEEMNIITDSQYVINIILQQPDMMEGIWQEVLEELEKKTAIFIDWVPGHKGIPGNEEVDKLCQTMMIIEGDGILD KRSEDAGYDLLAAKEIHLLPGEVKVIPTGVKLMLPKGYWGLIIGKSSIGSKGLDVLGGVIDEGYRGEIGVIMINVSRKSI TLMERQKIAQLIILPCKHEVLEQGKVVMDSERGDNGYGSTGVFSSWVDRIEEAEINHEKFHSDPQYLRTEFNLPKMVAEE IRRKCPVCRIIGEQVGGQLKIGPGIWQMDCTHFDGKIILVGIHVESGYIWAQIISQETADCTVKAVLQLLSAHNVTELQT DNGPNFKNQKMEGVLNYMGVKHKFGIPGNPQSQALVENVNHTLKVWIQKFLPETTSLDNALSLAVHSLNFKRRGRIGGMA PYELLAQQESLRIQDYFSAIPQKLQAQWIYYKDQKDKKWKGPMRVEYWGQGSVLLKDEEKGYFLIPRRHIRRVPEPCALP EGDE 1FIV PDB 2 201 1FIV XAVXEAX 42 154 1FIV 4 116 P16088 A 1 1 113 201 207 1FIV 201 207 1FIV B 2 1 7 4 4 anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel A TYR 23 A TYR 20 A LEU 28 A LEU 25 A GLU 15 A GLU 12 A VAL 20 A VAL 17 A VAL 71 A VAL 68 A ILE 75 A ILE 72 A GLN 83 A GLN 80 A GLY 87 A GLY 84 A ILE 37 A ILE 34 A ASN 39 A ASN 36 A VAL 89 A VAL 86 A LEU 92 A LEU 89 A GLY 61 A GLY 58 A TYR 68 A TYR 65 A ARG 53 A ARG 50 A GLY 58 A GLY 55 BINDING SITE FOR CHAIN B OF FIV PROTEASE INHIBITOR ACE-ALN-VAL-STA-GLU-ALN-NH2 Software 28 A ARG 13 A ARG 10 28 5_555 A PHE 19 A PHE 16 28 2_655 A GLY 22 A GLY 19 28 2_655 A PRO 24 A PRO 21 28 6_655 A LEU 28 A LEU 25 28 1_555 A ASP 30 A ASP 27 28 5_555 A ASP 30 A ASP 27 28 1_555 A GLY 32 A GLY 29 28 1_555 A GLY 32 A GLY 29 28 5_555 A ALA 33 A ALA 30 28 1_555 A ALA 33 A ALA 30 28 5_555 A ASP 34 A ASP 31 28 5_555 A ASP 34 A ASP 31 28 1_555 A ILE 35 A ILE 32 28 5_555 A MET 56 A MET 53 28 1_555 A MET 56 A MET 53 28 5_555 A ILE 57 A ILE 54 28 5_555 A ILE 57 A ILE 54 28 1_555 A GLY 58 A GLY 55 28 1_555 A VAL 59 A VAL 56 28 1_555 A VAL 59 A VAL 56 28 5_555 A ILE 98 A ILE 95 28 5_555 A GLN 99 A GLN 96 28 1_555 A GLN 99 A GLN 96 28 5_555 A LEU 101 A LEU 98 28 5_555 A LEU 101 A LEU 98 28 1_555 B HOH 301 D HOH 28 5_555 B HOH 301 D HOH 28 1_555 152 P 31 2 1