0.016523 0.000000 0.000000 0.000000 0.006381 0.000000 0.000000 0.000000 0.011113 0.00000 0.00000 0.00000 Sung, B.-J. Lee, J.I. Heo, Y.-S. Kim, J.H. Moon, J. Yoon, J.M. Hyun, Y.-L. Kim, E. Eum, S.J. Lee, T.G. Cho, J.M. Park, S.-Y. Lee, J.-O. Jeon, Y.H. Hwang, K.Y. Ro, S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 60.523 156.721 89.983 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 Mg 2 24.305 MAGNESIUM ION non-polymer C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking C23 H32 N6 O4 S 488.603 2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE VARDENAFIL, LEVITRA non-polymer 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 MG N 251 N N N 252 S C N 253 N C N 254 N O N 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C Y 261 N C N 262 N O 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 H N 274 N N N 275 S C N 276 N C N 277 N O N 278 N C N 279 N C N 280 N C N 281 N O 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 H N 291 N N N 292 S C N 293 N C N 294 N O N 295 N C N 296 N O N 297 N O 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 H N 305 N N N 306 S C N 307 N C N 308 N O N 309 R C N 310 N O N 311 N C N 312 N O 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 H N 322 N N N 323 S C N 324 N C N 325 N O N 326 N C Y 327 N C Y 328 N C Y 329 N C Y 330 N N Y 331 N C Y 332 N C Y 333 N C Y 334 N C Y 335 N C N 336 N O 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 H N 349 N N N 350 S C N 351 N C N 352 N O N 353 N C Y 354 N C Y 355 N C Y 356 N C Y 357 N C Y 358 N C Y 359 N C N 360 N O N 361 N O 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 H N 373 N N N 374 S C N 375 N C N 376 N O N 377 N C N 378 N C N 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 C N 393 N C N 394 N O Y 395 N C Y 396 N C Y 397 N C Y 398 N C Y 399 N C Y 400 N C N 401 N S N 402 N O N 403 N O N 404 N C N 405 N N N 406 N C N 407 N C N 408 N N N 409 N C N 410 N C N 411 N C Y 412 N C Y 413 N N Y 414 N C Y 415 N C Y 416 N N Y 417 N N N 418 N O Y 419 N C Y 420 N N Y 421 N C N 422 N C N 423 N C N 424 N C N 425 N C 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 436 N H N 437 N H N 438 N H N 439 N H N 440 N H N 441 N H N 442 N H N 443 N H N 444 N H N 445 N H N 446 N H N 447 N H N 448 N H N 449 N H N 450 N H N 451 N H N 452 N H N 453 N H N 454 N H N 455 N H N 456 N H N 457 N H N 458 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 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 Y 384 N doub Y 385 N sing Y 386 N sing N 387 N sing Y 388 N doub N 389 N sing Y 390 N sing N 391 N sing Y 392 N doub N 393 N sing Y 394 N sing N 395 N doub N 396 N doub N 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 sing 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 Y 419 N doub Y 420 N sing Y 421 N sing Y 422 N sing N 423 N doub Y 424 N sing Y 425 N doub Y 426 N sing Y 427 N sing N 428 N sing Y 429 N sing N 430 N sing Y 431 N doub N 432 N sing N 433 N sing N 434 N sing N 435 N sing N 436 N sing N 437 N sing N 438 N sing N 439 N sing N 440 N sing N 441 N sing N 442 N sing N 443 N sing N 444 N sing UK Nature NATUAS 0006 0028-0836 425 98 102 10.1038/nature01914 12955149 Structure of the catalytic domain of human phosphodiesterase 5 with bound drug molecules 2003 10.2210/pdb1uho/pdb pdb_00001uho 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 IMAGE PLATE 2003-06-09 MAC Science DIP-2030 Si 111 channel SINGLE WAVELENGTH M x-ray 1 1.12714 1.0 6B PAL/PLS 1.12714 SYNCHROTRON PAL/PLS BEAMLINE 6B 37530.305 cGMP-specific 3',5'-cyclic phosphodiesterase 3.1.4.17 catalytic domain 1 man polymer 65.409 ZINC ION 1 syn non-polymer 24.305 MAGNESIUM ION 1 syn non-polymer 488.603 2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE 1 syn non-polymer 18.015 water 116 nat water PDE5, Phosphodiesterase 5 no no TRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNVAYHNWR HAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCLMILNSP GNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITKPWPIQQ RIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNRQKWQAL AEQQ TRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNVAYHNWR HAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCLMILNSP GNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITKPWPIQQ RIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNRQKWQAL AEQQ 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 human Homo Escherichia sample 9606 Homo sapiens 562 Escherichia coli plasmid pET21b 1 2.83 56.18 VAPOR DIFFUSION, HANGING DROP 7.5 0.2M MgCl2, 8% PEG8000, 100mM Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 chem_comp_atom chem_comp_bond database_2 pdbx_struct_conn_angle struct_conn struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-07-09 1 1 2008-04-27 1 2 2011-07-13 1 3 2023-12-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.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 PDBJ Y PDBJ 2003-07-09 REL REL ZN ZINC ION MG MAGNESIUM ION VDN 2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE HOH water ZN2 1001 2 ZN ZN 1001 A MG2 1002 3 MG MG 1002 A VAR 1000 4 VDN VDN 1000 A WAT 2001 5 HOH HOH 2001 A WAT 2002 5 HOH HOH 2002 A WAT 2003 5 HOH HOH 2003 A WAT 2004 5 HOH HOH 2004 A WAT 2005 5 HOH HOH 2005 A WAT 2006 5 HOH HOH 2006 A WAT 2007 5 HOH HOH 2007 A WAT 2008 5 HOH HOH 2008 A WAT 2009 5 HOH HOH 2009 A WAT 2010 5 HOH HOH 2010 A WAT 2011 5 HOH HOH 2011 A WAT 2012 5 HOH HOH 2012 A WAT 2013 5 HOH HOH 2013 A WAT 2014 5 HOH HOH 2014 A WAT 2015 5 HOH HOH 2015 A WAT 2016 5 HOH HOH 2016 A WAT 2017 5 HOH HOH 2017 A WAT 2018 5 HOH HOH 2018 A WAT 2019 5 HOH HOH 2019 A WAT 2020 5 HOH HOH 2020 A WAT 2021 5 HOH HOH 2021 A WAT 2022 5 HOH HOH 2022 A WAT 2024 5 HOH HOH 2024 A WAT 2025 5 HOH HOH 2025 A WAT 2026 5 HOH HOH 2026 A WAT 2027 5 HOH HOH 2027 A WAT 2028 5 HOH HOH 2028 A WAT 2029 5 HOH HOH 2029 A WAT 2030 5 HOH HOH 2030 A WAT 2031 5 HOH HOH 2031 A WAT 2032 5 HOH HOH 2032 A WAT 2033 5 HOH HOH 2033 A WAT 2034 5 HOH HOH 2034 A WAT 2035 5 HOH HOH 2035 A WAT 2036 5 HOH HOH 2036 A WAT 2037 5 HOH HOH 2037 A WAT 2039 5 HOH HOH 2039 A WAT 2040 5 HOH HOH 2040 A WAT 2041 5 HOH HOH 2041 A WAT 2042 5 HOH HOH 2042 A WAT 2043 5 HOH HOH 2043 A WAT 2044 5 HOH HOH 2044 A WAT 2045 5 HOH HOH 2045 A WAT 2046 5 HOH HOH 2046 A WAT 2047 5 HOH HOH 2047 A WAT 2048 5 HOH HOH 2048 A WAT 2049 5 HOH HOH 2049 A WAT 2050 5 HOH HOH 2050 A WAT 2051 5 HOH HOH 2051 A WAT 2053 5 HOH HOH 2053 A WAT 2054 5 HOH HOH 2054 A WAT 2055 5 HOH HOH 2055 A WAT 2056 5 HOH HOH 2056 A WAT 2057 5 HOH HOH 2057 A WAT 2058 5 HOH HOH 2058 A WAT 2059 5 HOH HOH 2059 A WAT 2060 5 HOH HOH 2060 A WAT 2061 5 HOH HOH 2061 A WAT 2062 5 HOH HOH 2062 A WAT 2063 5 HOH HOH 2063 A WAT 2064 5 HOH HOH 2064 A WAT 2066 5 HOH HOH 2066 A WAT 2067 5 HOH HOH 2067 A WAT 2068 5 HOH HOH 2068 A WAT 2069 5 HOH HOH 2069 A WAT 2070 5 HOH HOH 2070 A WAT 2071 5 HOH HOH 2071 A WAT 2072 5 HOH HOH 2072 A WAT 2073 5 HOH HOH 2073 A WAT 2074 5 HOH HOH 2074 A WAT 2075 5 HOH HOH 2075 A WAT 2076 5 HOH HOH 2076 A WAT 2077 5 HOH HOH 2077 A WAT 2078 5 HOH HOH 2078 A WAT 2079 5 HOH HOH 2079 A WAT 2080 5 HOH HOH 2080 A WAT 2081 5 HOH HOH 2081 A WAT 2082 5 HOH HOH 2082 A WAT 2083 5 HOH HOH 2083 A WAT 2084 5 HOH HOH 2084 A WAT 2085 5 HOH HOH 2085 A WAT 2086 5 HOH HOH 2086 A WAT 2087 5 HOH HOH 2087 A WAT 2088 5 HOH HOH 2088 A WAT 2089 5 HOH HOH 2089 A WAT 2090 5 HOH HOH 2090 A WAT 2091 5 HOH HOH 2091 A WAT 2092 5 HOH HOH 2092 A WAT 2093 5 HOH HOH 2093 A WAT 2094 5 HOH HOH 2094 A WAT 2095 5 HOH HOH 2095 A WAT 2096 5 HOH HOH 2096 A WAT 2097 5 HOH HOH 2097 A WAT 2098 5 HOH HOH 2098 A WAT 2099 5 HOH HOH 2099 A WAT 2100 5 HOH HOH 2100 A WAT 2101 5 HOH HOH 2101 A WAT 2102 5 HOH HOH 2102 A WAT 2103 5 HOH HOH 2103 A WAT 2104 5 HOH HOH 2104 A WAT 2105 5 HOH HOH 2105 A WAT 2106 5 HOH HOH 2106 A WAT 2107 5 HOH HOH 2107 A WAT 2108 5 HOH HOH 2108 A WAT 2109 5 HOH HOH 2109 A WAT 2110 5 HOH HOH 2110 A WAT 2111 5 HOH HOH 2111 A WAT 2112 5 HOH HOH 2112 A WAT 2113 5 HOH HOH 2113 A WAT 2114 5 HOH HOH 2114 A WAT 2115 5 HOH HOH 2115 A WAT 2117 5 HOH HOH 2117 A WAT 2119 5 HOH HOH 2119 A WAT 2120 5 HOH HOH 2120 A WAT 2121 5 HOH HOH 2121 A WAT 2122 5 HOH HOH 2122 A THR 537 n 1 THR 537 A ARG 538 n 2 ARG 538 A GLU 539 n 3 GLU 539 A LEU 540 n 4 LEU 540 A GLN 541 n 5 GLN 541 A SER 542 n 6 SER 542 A LEU 543 n 7 LEU 543 A ALA 544 n 8 ALA 544 A ALA 545 n 9 ALA 545 A ALA 546 n 10 ALA 546 A VAL 547 n 11 VAL 547 A VAL 548 n 12 VAL 548 A PRO 549 n 13 PRO 549 A SER 550 n 14 SER 550 A ALA 551 n 15 ALA 551 A GLN 552 n 16 GLN 552 A THR 553 n 17 THR 553 A LEU 554 n 18 LEU 554 A LYS 555 n 19 LYS 555 A ILE 556 n 20 ILE 556 A THR 557 n 21 THR 557 A ASP 558 n 22 ASP 558 A PHE 559 n 23 PHE 559 A SER 560 n 24 SER 560 A PHE 561 n 25 PHE 561 A SER 562 n 26 SER 562 A ASP 563 n 27 ASP 563 A PHE 564 n 28 PHE 564 A GLU 565 n 29 GLU 565 A LEU 566 n 30 LEU 566 A SER 567 n 31 SER 567 A ASP 568 n 32 ASP 568 A LEU 569 n 33 LEU 569 A GLU 570 n 34 GLU 570 A THR 571 n 35 THR 571 A ALA 572 n 36 ALA 572 A LEU 573 n 37 LEU 573 A CYS 574 n 38 CYS 574 A THR 575 n 39 THR 575 A ILE 576 n 40 ILE 576 A ARG 577 n 41 ARG 577 A MET 578 n 42 MET 578 A PHE 579 n 43 PHE 579 A THR 580 n 44 THR 580 A ASP 581 n 45 ASP 581 A LEU 582 n 46 LEU 582 A ASN 583 n 47 ASN 583 A LEU 584 n 48 LEU 584 A VAL 585 n 49 VAL 585 A GLN 586 n 50 GLN 586 A ASN 587 n 51 ASN 587 A PHE 588 n 52 PHE 588 A GLN 589 n 53 GLN 589 A MET 590 n 54 MET 590 A LYS 591 n 55 LYS 591 A HIS 592 n 56 HIS 592 A GLU 593 n 57 GLU 593 A VAL 594 n 58 VAL 594 A LEU 595 n 59 LEU 595 A CYS 596 n 60 CYS 596 A ARG 597 n 61 ARG 597 A TRP 598 n 62 TRP 598 A ILE 599 n 63 ILE 599 A LEU 600 n 64 LEU 600 A SER 601 n 65 SER 601 A VAL 602 n 66 VAL 602 A LYS 603 n 67 LYS 603 A LYS 604 n 68 LYS 604 A ASN 605 n 69 ASN 605 A TYR 606 n 70 TYR 606 A ARG 607 n 71 ARG 607 A LYS 608 n 72 LYS 608 A ASN 609 n 73 ASN 609 A VAL 610 n 74 VAL 610 A ALA 611 n 75 ALA 611 A TYR 612 n 76 TYR 612 A HIS 613 n 77 HIS 613 A ASN 614 n 78 ASN 614 A TRP 615 n 79 TRP 615 A ARG 616 n 80 ARG 616 A HIS 617 n 81 HIS 617 A ALA 618 n 82 ALA 618 A PHE 619 n 83 PHE 619 A ASN 620 n 84 ASN 620 A THR 621 n 85 THR 621 A ALA 622 n 86 ALA 622 A GLN 623 n 87 GLN 623 A CYS 624 n 88 CYS 624 A MET 625 n 89 MET 625 A PHE 626 n 90 PHE 626 A ALA 627 n 91 ALA 627 A ALA 628 n 92 ALA 628 A LEU 629 n 93 LEU 629 A LYS 630 n 94 LYS 630 A ALA 631 n 95 ALA 631 A GLY 632 n 96 GLY 632 A LYS 633 n 97 LYS 633 A ILE 634 n 98 ILE 634 A GLN 635 n 99 GLN 635 A ASN 636 n 100 ASN 636 A LYS 637 n 101 LYS 637 A LEU 638 n 102 LEU 638 A THR 639 n 103 THR 639 A ASP 640 n 104 ASP 640 A LEU 641 n 105 LEU 641 A GLU 642 n 106 GLU 642 A ILE 643 n 107 ILE 643 A LEU 644 n 108 LEU 644 A ALA 645 n 109 ALA 645 A LEU 646 n 110 LEU 646 A LEU 647 n 111 LEU 647 A ILE 648 n 112 ILE 648 A ALA 649 n 113 ALA 649 A ALA 650 n 114 ALA 650 A LEU 651 n 115 LEU 651 A SER 652 n 116 SER 652 A HIS 653 n 117 HIS 653 A ASP 654 n 118 ASP 654 A LEU 655 n 119 LEU 655 A ASP 656 n 120 ASP 656 A HIS 657 n 121 HIS 657 A ARG 658 n 122 ARG 658 A GLY 659 n 123 GLY 659 A VAL 660 n 124 VAL 660 A ASN 661 n 125 ASN 661 A ASN 662 n 126 ASN 662 A SER 663 n 127 SER 663 A TYR 664 n 128 TYR 664 A n 129 665 A n 130 666 A n 131 667 A n 132 668 A n 133 669 A n 134 670 A n 135 671 A n 136 672 A n 137 673 A n 138 674 A n 139 675 A TYR 676 n 140 TYR 676 A CYS 677 n 141 CYS 677 A HIS 678 n 142 HIS 678 A SER 679 n 143 SER 679 A ILE 680 n 144 ILE 680 A MET 681 n 145 MET 681 A GLU 682 n 146 GLU 682 A HIS 683 n 147 HIS 683 A HIS 684 n 148 HIS 684 A HIS 685 n 149 HIS 685 A PHE 686 n 150 PHE 686 A ASP 687 n 151 ASP 687 A GLN 688 n 152 GLN 688 A CYS 689 n 153 CYS 689 A LEU 690 n 154 LEU 690 A MET 691 n 155 MET 691 A ILE 692 n 156 ILE 692 A LEU 693 n 157 LEU 693 A ASN 694 n 158 ASN 694 A SER 695 n 159 SER 695 A PRO 696 n 160 PRO 696 A GLY 697 n 161 GLY 697 A ASN 698 n 162 ASN 698 A GLN 699 n 163 GLN 699 A ILE 700 n 164 ILE 700 A LEU 701 n 165 LEU 701 A SER 702 n 166 SER 702 A GLY 703 n 167 GLY 703 A LEU 704 n 168 LEU 704 A SER 705 n 169 SER 705 A ILE 706 n 170 ILE 706 A GLU 707 n 171 GLU 707 A GLU 708 n 172 GLU 708 A TYR 709 n 173 TYR 709 A LYS 710 n 174 LYS 710 A THR 711 n 175 THR 711 A THR 712 n 176 THR 712 A LEU 713 n 177 LEU 713 A LYS 714 n 178 LYS 714 A ILE 715 n 179 ILE 715 A ILE 716 n 180 ILE 716 A LYS 717 n 181 LYS 717 A GLN 718 n 182 GLN 718 A ALA 719 n 183 ALA 719 A ILE 720 n 184 ILE 720 A LEU 721 n 185 LEU 721 A ALA 722 n 186 ALA 722 A THR 723 n 187 THR 723 A ASP 724 n 188 ASP 724 A LEU 725 n 189 LEU 725 A ALA 726 n 190 ALA 726 A LEU 727 n 191 LEU 727 A TYR 728 n 192 TYR 728 A ILE 729 n 193 ILE 729 A LYS 730 n 194 LYS 730 A ARG 731 n 195 ARG 731 A ARG 732 n 196 ARG 732 A GLY 733 n 197 GLY 733 A GLU 734 n 198 GLU 734 A PHE 735 n 199 PHE 735 A PHE 736 n 200 PHE 736 A GLU 737 n 201 GLU 737 A LEU 738 n 202 LEU 738 A ILE 739 n 203 ILE 739 A ARG 740 n 204 ARG 740 A LYS 741 n 205 LYS 741 A ASN 742 n 206 ASN 742 A GLN 743 n 207 GLN 743 A PHE 744 n 208 PHE 744 A ASN 745 n 209 ASN 745 A LEU 746 n 210 LEU 746 A GLU 747 n 211 GLU 747 A ASP 748 n 212 ASP 748 A PRO 749 n 213 PRO 749 A HIS 750 n 214 HIS 750 A GLN 751 n 215 GLN 751 A LYS 752 n 216 LYS 752 A GLU 753 n 217 GLU 753 A LEU 754 n 218 LEU 754 A PHE 755 n 219 PHE 755 A LEU 756 n 220 LEU 756 A ALA 757 n 221 ALA 757 A MET 758 n 222 MET 758 A LEU 759 n 223 LEU 759 A MET 760 n 224 MET 760 A THR 761 n 225 THR 761 A ALA 762 n 226 ALA 762 A CYS 763 n 227 CYS 763 A ASP 764 n 228 ASP 764 A LEU 765 n 229 LEU 765 A SER 766 n 230 SER 766 A ALA 767 n 231 ALA 767 A ILE 768 n 232 ILE 768 A THR 769 n 233 THR 769 A LYS 770 n 234 LYS 770 A PRO 771 n 235 PRO 771 A TRP 772 n 236 TRP 772 A PRO 773 n 237 PRO 773 A ILE 774 n 238 ILE 774 A GLN 775 n 239 GLN 775 A GLN 776 n 240 GLN 776 A ARG 777 n 241 ARG 777 A ILE 778 n 242 ILE 778 A ALA 779 n 243 ALA 779 A GLU 780 n 244 GLU 780 A LEU 781 n 245 LEU 781 A VAL 782 n 246 VAL 782 A ALA 783 n 247 ALA 783 A THR 784 n 248 THR 784 A GLU 785 n 249 GLU 785 A PHE 786 n 250 PHE 786 A PHE 787 n 251 PHE 787 A ASP 788 n 252 ASP 788 A GLN 789 n 253 GLN 789 A GLY 790 n 254 GLY 790 A ASP 791 n 255 ASP 791 A ARG 792 n 256 ARG 792 A GLU 793 n 257 GLU 793 A ARG 794 n 258 ARG 794 A LYS 795 n 259 LYS 795 A GLU 796 n 260 GLU 796 A LEU 797 n 261 LEU 797 A ASN 798 n 262 ASN 798 A ILE 799 n 263 ILE 799 A GLU 800 n 264 GLU 800 A PRO 801 n 265 PRO 801 A THR 802 n 266 THR 802 A ASP 803 n 267 ASP 803 A LEU 804 n 268 LEU 804 A MET 805 n 269 MET 805 A ASN 806 n 270 ASN 806 A ARG 807 n 271 ARG 807 A GLU 808 n 272 GLU 808 A LYS 809 n 273 LYS 809 A LYS 810 n 274 LYS 810 A ASN 811 n 275 ASN 811 A LYS 812 n 276 LYS 812 A ILE 813 n 277 ILE 813 A PRO 814 n 278 PRO 814 A SER 815 n 279 SER 815 A MET 816 n 280 MET 816 A GLN 817 n 281 GLN 817 A VAL 818 n 282 VAL 818 A GLY 819 n 283 GLY 819 A PHE 820 n 284 PHE 820 A ILE 821 n 285 ILE 821 A ASP 822 n 286 ASP 822 A ALA 823 n 287 ALA 823 A ILE 824 n 288 ILE 824 A CYS 825 n 289 CYS 825 A LEU 826 n 290 LEU 826 A GLN 827 n 291 GLN 827 A LEU 828 n 292 LEU 828 A TYR 829 n 293 TYR 829 A GLU 830 n 294 GLU 830 A ALA 831 n 295 ALA 831 A LEU 832 n 296 LEU 832 A THR 833 n 297 THR 833 A HIS 834 n 298 HIS 834 A VAL 835 n 299 VAL 835 A SER 836 n 300 SER 836 A GLU 837 n 301 GLU 837 A ASP 838 n 302 ASP 838 A CYS 839 n 303 CYS 839 A PHE 840 n 304 PHE 840 A PRO 841 n 305 PRO 841 A LEU 842 n 306 LEU 842 A LEU 843 n 307 LEU 843 A ASP 844 n 308 ASP 844 A GLY 845 n 309 GLY 845 A CYS 846 n 310 CYS 846 A ARG 847 n 311 ARG 847 A LYS 848 n 312 LYS 848 A ASN 849 n 313 ASN 849 A ARG 850 n 314 ARG 850 A GLN 851 n 315 GLN 851 A LYS 852 n 316 LYS 852 A TRP 853 n 317 TRP 853 A GLN 854 n 318 GLN 854 A ALA 855 n 319 ALA 855 A LEU 856 n 320 LEU 856 A ALA 857 n 321 ALA 857 A GLU 858 n 322 GLU 858 A GLN 859 n 323 GLN 859 A GLN 860 n 324 GLN 860 A author_defined_assembly 1 monomeric A HIS 617 A NE2 HIS 81 1_555 A ZN 1001 B ZN ZN 1_555 A HIS 653 A NE2 HIS 117 1_555 85.9 A HIS 617 A NE2 HIS 81 1_555 A ZN 1001 B ZN ZN 1_555 A ASP 654 A OD2 ASP 118 1_555 87.8 A HIS 653 A NE2 HIS 117 1_555 A ZN 1001 B ZN ZN 1_555 A ASP 654 A OD2 ASP 118 1_555 75.6 A HIS 617 A NE2 HIS 81 1_555 A ZN 1001 B ZN ZN 1_555 A ASP 764 A OD2 ASP 228 1_555 86.3 A HIS 653 A NE2 HIS 117 1_555 A ZN 1001 B ZN ZN 1_555 A ASP 764 A OD2 ASP 228 1_555 78.3 A ASP 654 A OD2 ASP 118 1_555 A ZN 1001 B ZN ZN 1_555 A ASP 764 A OD2 ASP 228 1_555 153.7 A ASP 654 A OD1 ASP 118 1_555 A MG 1002 C MG MG 1_555 A HOH 2033 E O HOH 1_555 86.1 A ASP 654 A OD1 ASP 118 1_555 A MG 1002 C MG MG 1_555 A HOH 2083 E O HOH 1_555 163.7 A HOH 2033 E O HOH 1_555 A MG 1002 C MG MG 1_555 A HOH 2083 E O HOH 1_555 79.3 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 A ILE 665 A ILE 129 1 Y 1 A GLN 666 A GLN 130 1 Y 1 A ARG 667 A ARG 131 1 Y 1 A SER 668 A SER 132 1 Y 1 A GLU 669 A GLU 133 1 Y 1 A HIS 670 A HIS 134 1 Y 1 A PRO 671 A PRO 135 1 Y 1 A LEU 672 A LEU 136 1 Y 1 A ALA 673 A ALA 137 1 Y 1 A GLN 674 A GLN 138 1 Y 1 A LEU 675 A LEU 139 1 Y 1 A ASN 605 -66.91 12.61 1 A LYS 630 -87.43 -77.11 1 A ASN 662 -110.47 -155.98 1 A SER 663 -120.84 -54.73 1 A THR 723 -67.94 1.46 1 A ASN 798 -110.97 58.56 1 A GLU 808 -59.82 176.52 PROTEIN_REP.PARAM ROTEIN.TOP WATER_REP.PARAM WATER.TOP VAR.PARAM VAR.TOP ION.PARAM ION.TOP 33.9 -3.45 0.00 0.00 -3.31 0.00 6.76 0.21 0.008 0.197 0.199 0.197 2.50 26.94 719 15191 14204 5.1 93.5 RANDOM 441372.77 0.000000 1 OVERALL THROUGHOUT 0.0 MOLECULAR REPLACEMENT FLAT MODEL 36.7263 0.349385 0.31 0.29 5.00 0.47 0.39 2.50 26.94 116 2694 36 0 2542 0.008 1.2 19.3 0.75 0.315 0.030 0.286 2.66 113 2085 6 5.1 88.7 23.4 2.5 30 1UHO 15191 14204 0 0 1 93.5 2.50 2.66 88.7 refinement CNS 1.1 data reduction DENZO data scaling SCALEPACK phasing CNS Crystal structure of Human Phosphodiesterase 5 complexed with Vardenafil(Levitra) 1 N N 2 N N 3 N N 4 N N 5 N N A THR 537 A THR 1 HELX_P A ALA 546 A ALA 10 1 1 10 A SER 550 A SER 14 HELX_P A LYS 555 A LYS 19 1 2 6 A SER 567 A SER 31 HELX_P A LEU 582 A LEU 46 1 3 16 A ASN 583 A ASN 47 HELX_P A PHE 588 A PHE 52 1 4 6 A LYS 591 A LYS 55 HELX_P A ASN 605 A ASN 69 1 5 15 A ASN 614 A ASN 78 HELX_P A ALA 631 A ALA 95 1 6 18 A ILE 634 A ILE 98 HELX_P A LEU 638 A LEU 102 5 7 5 A THR 639 A THR 103 HELX_P A HIS 653 A HIS 117 1 8 15 A SER 679 A SER 143 HELX_P A SER 695 A SER 159 1 9 17 A SER 705 A SER 169 HELX_P A THR 723 A THR 187 1 10 19 A ASP 724 A ASP 188 HELX_P A LYS 741 A LYS 205 1 11 18 A ASP 748 A ASP 212 HELX_P A LEU 765 A LEU 229 1 12 18 A SER 766 A SER 230 HELX_P A LYS 770 A LYS 234 5 13 5 A PRO 771 A PRO 235 HELX_P A LEU 797 A LEU 261 1 14 27 A LYS 809 A LYS 273 HELX_P A ASN 811 A ASN 275 5 15 3 A LYS 812 A LYS 276 HELX_P A ILE 824 A ILE 288 1 16 13 A ILE 824 A ILE 288 HELX_P A SER 836 A SER 300 1 17 13 A CYS 839 A CYS 303 HELX_P A GLN 860 A GLN 324 1 18 22 metalc 2.227 A HIS 617 A NE2 HIS 81 1_555 A ZN 1001 B ZN ZN 1_555 metalc 2.205 A HIS 653 A NE2 HIS 117 1_555 A ZN 1001 B ZN ZN 1_555 metalc 2.171 A ASP 654 A OD2 ASP 118 1_555 A ZN 1001 B ZN ZN 1_555 metalc 1.995 A ASP 654 A OD1 ASP 118 1_555 A MG 1002 C MG MG 1_555 metalc 2.226 A ASP 764 A OD2 ASP 228 1_555 A ZN 1001 B ZN ZN 1_555 metalc 2.725 A MG 1002 C MG MG 1_555 A HOH 2033 E O HOH 1_555 metalc 1.939 A MG 1002 C MG MG 1_555 A HOH 2083 E O HOH 1_555 HYDROLASE PDE5 inhibitor complex, hydrolase PDE5A_HUMAN UNP 1 537 O76074 TRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLVQNFQMKHEVLCRWILSVKKNYRKNVAYHNWR HAFNTAQCMFAALKAGKIQNKLTDLEILALLIAALSHDLDHRGVNNSYIQRSEHPLAQLYCHSIMEHHHFDQCLMILNSP GNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQFNLEDPHQKELFLAMLMTACDLSAITKPWPIQQ RIAELVATEFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLLDGCRKNRQKWQAL AEQQ 537 860 1UHO 537 860 O76074 A 1 1 324 BINDING SITE FOR RESIDUE ZN A 1001 A ZN 1001 Software 5 BINDING SITE FOR RESIDUE MG A 1002 A MG 1002 Software 4 BINDING SITE FOR RESIDUE VDN A 1000 A VDN 1000 Software 12 A HIS 617 A HIS 81 5 1_555 A HIS 653 A HIS 117 5 1_555 A ASP 654 A ASP 118 5 1_555 A ASP 764 A ASP 228 5 1_555 A HOH 2033 E HOH 5 1_555 A ASP 654 A ASP 118 4 1_555 A GLU 682 A GLU 146 4 1_555 A HOH 2033 E HOH 4 1_555 A HOH 2083 E HOH 4 1_555 A TYR 612 A TYR 76 12 1_555 A HIS 613 A HIS 77 12 1_555 A TYR 664 A TYR 128 12 1_555 A ALA 779 A ALA 243 12 1_555 A PHE 786 A PHE 250 12 1_555 A LEU 804 A LEU 268 12 1_555 A MET 816 A MET 280 12 1_555 A GLN 817 A GLN 281 12 1_555 A GLY 819 A GLY 283 12 1_555 A PHE 820 A PHE 284 12 1_555 A GLN 854 A GLN 318 12 4_567 A GLU 858 A GLU 322 12 4_567 20 C 2 2 21