0.013876 0.000000 0.000000 0.000000 0.006624 0.000000 0.000000 0.000000 0.024477 0.00000 0.00000 0.00000 CIS PROLINE - PRO E 23 Fujinaga, M. Chernaia, M.M. Tarasova, N. Mosimann, S.C. James, M.N.G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 72.068 150.972 40.854 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 C5 H10 O2 102.132 ISOVALERIC ACID non-polymer C6 H13 N O2 131.173 y LEUCINE 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 C8 H17 N O3 175.225 STATINE peptide-like 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 US Protein Sci. PRCIEI 0795 0961-8368 4 960 972 7663352 Crystal structure of human pepsin and its complex with pepstatin. 1995 UK J.Mol.Biol. JMOBAK 0070 0022-2836 214 143 Molecular and Crystal Structures of Monoclinic Porcine Pepsin Refined at 1.8 Angstroms Resolution 1990 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 AREA DETECTOR 1994-06-17 SAN DIEGO MULTIWIRE DETECTION SYSTEM x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE 34631.887 PEPSIN 3A 3.4.23.1 1 man polymer 685.891 PEPSTATIN 1 man polymer 18.015 water 234 nat water no no VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSM TGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQ SGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASEN SDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQV GLAPVA VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSM TGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQ SGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASEN SDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQV GLAPVA E polypeptide(L) no yes (IVA)VV(STA)A(STA) XVVXAX I 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 human sample 9606 Homo sapiens sample 285516 Streptomyces argenteolus subsp. toyonakensis 1 3.24 59.7 repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance Other 1 0 1995-04-20 1 1 2008-03-24 1 2 2011-07-13 1 3 2013-02-27 Y 1995-01-23 REL REL HOH water Enzyme inhibitor Pepstatin Oligopeptide HOH 1 3 HOH HOH 327 E HOH 2 3 HOH HOH 328 E HOH 3 3 HOH HOH 329 E HOH 4 3 HOH HOH 330 E HOH 5 3 HOH HOH 331 E HOH 6 3 HOH HOH 332 E HOH 7 3 HOH HOH 333 E HOH 8 3 HOH HOH 334 E HOH 9 3 HOH HOH 335 E HOH 10 3 HOH HOH 336 E HOH 11 3 HOH HOH 337 E HOH 12 3 HOH HOH 338 E HOH 13 3 HOH HOH 339 E HOH 14 3 HOH HOH 340 E HOH 15 3 HOH HOH 341 E HOH 16 3 HOH HOH 342 E HOH 17 3 HOH HOH 343 E HOH 18 3 HOH HOH 344 E HOH 19 3 HOH HOH 345 E HOH 20 3 HOH HOH 346 E HOH 21 3 HOH HOH 347 E HOH 22 3 HOH HOH 348 E HOH 23 3 HOH HOH 349 E HOH 24 3 HOH HOH 350 E HOH 25 3 HOH HOH 351 E HOH 26 3 HOH HOH 352 E HOH 27 3 HOH HOH 353 E HOH 28 3 HOH HOH 354 E HOH 29 3 HOH HOH 355 E HOH 30 3 HOH HOH 356 E HOH 31 3 HOH HOH 357 E HOH 32 3 HOH HOH 358 E HOH 33 3 HOH HOH 359 E HOH 34 3 HOH HOH 360 E HOH 35 3 HOH HOH 361 E HOH 36 3 HOH HOH 362 E HOH 37 3 HOH HOH 363 E HOH 38 3 HOH HOH 364 E HOH 39 3 HOH HOH 365 E HOH 40 3 HOH HOH 366 E HOH 41 3 HOH HOH 367 E HOH 42 3 HOH HOH 368 E HOH 43 3 HOH HOH 369 E HOH 44 3 HOH HOH 370 E HOH 45 3 HOH HOH 371 E HOH 46 3 HOH HOH 372 E HOH 47 3 HOH HOH 373 E HOH 48 3 HOH HOH 374 E HOH 49 3 HOH HOH 375 E HOH 50 3 HOH HOH 376 E HOH 51 3 HOH HOH 377 E HOH 52 3 HOH HOH 378 E HOH 53 3 HOH HOH 379 E HOH 54 3 HOH HOH 380 E HOH 55 3 HOH HOH 381 E HOH 56 3 HOH HOH 382 E HOH 57 3 HOH HOH 383 E HOH 58 3 HOH HOH 384 E HOH 59 3 HOH HOH 385 E HOH 60 3 HOH HOH 386 E HOH 61 3 HOH HOH 387 E HOH 62 3 HOH HOH 388 E HOH 63 3 HOH HOH 389 E HOH 64 3 HOH HOH 390 E HOH 65 3 HOH HOH 391 E HOH 66 3 HOH HOH 392 E HOH 67 3 HOH HOH 393 E HOH 68 3 HOH HOH 394 E HOH 69 3 HOH HOH 395 E HOH 70 3 HOH HOH 396 E HOH 71 3 HOH HOH 397 E HOH 72 3 HOH HOH 398 E HOH 73 3 HOH HOH 399 E HOH 74 3 HOH HOH 400 E HOH 75 3 HOH HOH 401 E HOH 76 3 HOH HOH 402 E HOH 77 3 HOH HOH 403 E HOH 78 3 HOH HOH 404 E HOH 79 3 HOH HOH 405 E HOH 80 3 HOH HOH 406 E HOH 81 3 HOH HOH 407 E HOH 82 3 HOH HOH 408 E HOH 83 3 HOH HOH 409 E HOH 84 3 HOH HOH 410 E HOH 85 3 HOH HOH 411 E HOH 86 3 HOH HOH 412 E HOH 87 3 HOH HOH 413 E HOH 88 3 HOH HOH 414 E HOH 89 3 HOH HOH 415 E HOH 90 3 HOH HOH 416 E HOH 91 3 HOH HOH 417 E HOH 92 3 HOH HOH 418 E HOH 93 3 HOH HOH 419 E HOH 94 3 HOH HOH 420 E HOH 95 3 HOH HOH 421 E HOH 96 3 HOH HOH 422 E HOH 97 3 HOH HOH 423 E HOH 98 3 HOH HOH 424 E HOH 99 3 HOH HOH 425 E HOH 100 3 HOH HOH 426 E HOH 101 3 HOH HOH 427 E HOH 102 3 HOH HOH 428 E HOH 103 3 HOH HOH 429 E HOH 104 3 HOH HOH 430 E HOH 105 3 HOH HOH 431 E HOH 106 3 HOH HOH 432 E HOH 107 3 HOH HOH 433 E HOH 108 3 HOH HOH 434 E HOH 109 3 HOH HOH 435 E HOH 110 3 HOH HOH 436 E HOH 111 3 HOH HOH 437 E HOH 112 3 HOH HOH 438 E HOH 113 3 HOH HOH 439 E HOH 114 3 HOH HOH 440 E HOH 115 3 HOH HOH 441 E HOH 116 3 HOH HOH 442 E HOH 117 3 HOH HOH 443 E HOH 118 3 HOH HOH 444 E HOH 119 3 HOH HOH 445 E HOH 120 3 HOH HOH 446 E HOH 121 3 HOH HOH 447 E HOH 122 3 HOH HOH 448 E HOH 123 3 HOH HOH 449 E HOH 124 3 HOH HOH 450 E HOH 125 3 HOH HOH 451 E HOH 126 3 HOH HOH 452 E HOH 127 3 HOH HOH 453 E HOH 128 3 HOH HOH 454 E HOH 129 3 HOH HOH 455 E HOH 130 3 HOH HOH 456 E HOH 131 3 HOH HOH 457 E HOH 132 3 HOH HOH 458 E HOH 133 3 HOH HOH 459 E HOH 134 3 HOH HOH 460 E HOH 135 3 HOH HOH 461 E HOH 136 3 HOH HOH 462 E HOH 137 3 HOH HOH 463 E HOH 138 3 HOH HOH 464 E HOH 139 3 HOH HOH 465 E HOH 140 3 HOH HOH 466 E HOH 141 3 HOH HOH 467 E HOH 142 3 HOH HOH 468 E HOH 143 3 HOH HOH 469 E HOH 144 3 HOH HOH 470 E HOH 145 3 HOH HOH 471 E HOH 146 3 HOH HOH 472 E HOH 147 3 HOH HOH 473 E HOH 148 3 HOH HOH 474 E HOH 149 3 HOH HOH 475 E HOH 150 3 HOH HOH 476 E HOH 151 3 HOH HOH 477 E HOH 152 3 HOH HOH 478 E HOH 153 3 HOH HOH 479 E HOH 154 3 HOH HOH 480 E HOH 155 3 HOH HOH 481 E HOH 157 3 HOH HOH 482 E HOH 158 3 HOH HOH 483 E HOH 159 3 HOH HOH 484 E HOH 160 3 HOH HOH 485 E HOH 161 3 HOH HOH 486 E HOH 162 3 HOH HOH 487 E HOH 163 3 HOH HOH 488 E HOH 164 3 HOH HOH 489 E HOH 165 3 HOH HOH 490 E HOH 166 3 HOH HOH 491 E HOH 167 3 HOH HOH 492 E HOH 168 3 HOH HOH 493 E HOH 169 3 HOH HOH 494 E HOH 170 3 HOH HOH 495 E HOH 171 3 HOH HOH 496 E HOH 172 3 HOH HOH 497 E HOH 173 3 HOH HOH 498 E HOH 174 3 HOH HOH 499 E HOH 175 3 HOH HOH 500 E HOH 176 3 HOH HOH 501 E HOH 177 3 HOH HOH 502 E HOH 178 3 HOH HOH 503 E HOH 179 3 HOH HOH 504 E HOH 180 3 HOH HOH 505 E HOH 181 3 HOH HOH 506 E HOH 182 3 HOH HOH 507 E HOH 183 3 HOH HOH 508 E HOH 184 3 HOH HOH 509 E HOH 185 3 HOH HOH 510 E HOH 186 3 HOH HOH 511 E HOH 187 3 HOH HOH 512 E HOH 188 3 HOH HOH 513 E HOH 189 3 HOH HOH 514 E HOH 190 3 HOH HOH 515 E HOH 191 3 HOH HOH 516 E HOH 192 3 HOH HOH 517 E HOH 193 3 HOH HOH 518 E HOH 194 3 HOH HOH 519 E HOH 195 3 HOH HOH 520 E HOH 196 3 HOH HOH 521 E HOH 197 3 HOH HOH 522 E HOH 198 3 HOH HOH 523 E HOH 199 3 HOH HOH 524 E HOH 200 3 HOH HOH 525 E HOH 201 3 HOH HOH 526 E HOH 202 3 HOH HOH 527 E HOH 203 3 HOH HOH 528 E HOH 204 3 HOH HOH 529 E HOH 205 3 HOH HOH 530 E HOH 206 3 HOH HOH 531 E HOH 207 3 HOH HOH 532 E HOH 208 3 HOH HOH 533 E HOH 209 3 HOH HOH 534 E HOH 210 3 HOH HOH 535 E HOH 211 3 HOH HOH 536 E HOH 212 3 HOH HOH 537 E HOH 213 3 HOH HOH 538 E HOH 214 3 HOH HOH 539 E HOH 215 3 HOH HOH 540 E HOH 216 3 HOH HOH 541 E HOH 217 3 HOH HOH 542 E HOH 218 3 HOH HOH 543 E HOH 219 3 HOH HOH 544 E HOH 220 3 HOH HOH 545 E HOH 221 3 HOH HOH 546 E HOH 222 3 HOH HOH 547 E HOH 223 3 HOH HOH 548 E HOH 224 3 HOH HOH 549 E HOH 225 3 HOH HOH 550 E HOH 226 3 HOH HOH 551 E HOH 227 3 HOH HOH 552 E HOH 228 3 HOH HOH 553 E HOH 229 3 HOH HOH 554 E HOH 230 3 HOH HOH 555 E HOH 231 3 HOH HOH 556 E HOH 232 3 HOH HOH 557 E HOH 233 3 HOH HOH 558 E HOH 234 3 HOH HOH 559 E HOH 156 3 HOH HOH 156 I VAL 1 n 1 VAL 1 E ASP 2 n 2 ASP 2 E GLU 3 n 3 GLU 3 E GLN 4 n 4 GLN 4 E PRO 5 n 5 PRO 5 E LEU 6 n 6 LEU 6 E GLU 7 n 7 GLU 7 E ASN 8 n 8 ASN 8 E TYR 9 n 9 TYR 9 E LEU 10 n 10 LEU 10 E ASP 11 n 11 ASP 11 E MET 12 n 12 MET 12 E GLU 13 n 13 GLU 13 E TYR 14 n 14 TYR 14 E PHE 15 n 15 PHE 15 E GLY 16 n 16 GLY 16 E THR 17 n 17 THR 17 E ILE 18 n 18 ILE 18 E GLY 19 n 19 GLY 19 E ILE 20 n 20 ILE 20 E GLY 21 n 21 GLY 21 E THR 22 n 22 THR 22 E PRO 23 n 23 PRO 23 E ALA 24 n 24 ALA 24 E GLN 25 n 25 GLN 25 E ASP 26 n 26 ASP 26 E PHE 27 n 27 PHE 27 E THR 28 n 28 THR 28 E VAL 29 n 29 VAL 29 E VAL 30 n 30 VAL 30 E PHE 31 n 31 PHE 31 E ASP 32 n 32 ASP 32 E THR 33 n 33 THR 33 E GLY 34 n 34 GLY 34 E SER 35 n 35 SER 35 E SER 36 n 36 SER 36 E ASN 37 n 37 ASN 37 E LEU 38 n 38 LEU 38 E TRP 39 n 39 TRP 39 E VAL 40 n 40 VAL 40 E PRO 41 n 41 PRO 41 E SER 42 n 42 SER 42 E VAL 43 n 43 VAL 43 E TYR 44 n 44 TYR 44 E CYS 45 n 45 CYS 45 E SER 46 n 46 SER 46 E SER 47 n 47 SER 47 E LEU 48 n 48 LEU 48 E ALA 49 n 49 ALA 49 E CYS 50 n 50 CYS 50 E THR 51 n 51 THR 51 E ASN 52 n 52 ASN 52 E HIS 53 n 53 HIS 53 E ASN 54 n 54 ASN 54 E ARG 55 n 55 ARG 55 E PHE 56 n 56 PHE 56 E ASN 57 n 57 ASN 57 E PRO 58 n 58 PRO 58 E GLU 59 n 59 GLU 59 E ASP 60 n 60 ASP 60 E SER 61 n 61 SER 61 E SER 62 n 62 SER 62 E THR 63 n 63 THR 63 E TYR 64 n 64 TYR 64 E GLN 65 n 65 GLN 65 E SER 66 n 66 SER 66 E THR 67 n 67 THR 67 E SER 68 n 68 SER 68 E GLU 69 n 69 GLU 69 E THR 70 n 70 THR 70 E VAL 71 n 71 VAL 71 E SER 72 n 72 SER 72 E ILE 73 n 73 ILE 73 E THR 74 n 74 THR 74 E TYR 75 n 75 TYR 75 E GLY 76 n 76 GLY 76 E THR 77 n 77 THR 77 E GLY 78 n 78 GLY 78 E SER 79 n 79 SER 79 E MET 80 n 80 MET 80 E THR 81 n 81 THR 81 E GLY 82 n 82 GLY 82 E ILE 83 n 83 ILE 83 E LEU 84 n 84 LEU 84 E GLY 85 n 85 GLY 85 E TYR 86 n 86 TYR 86 E ASP 87 n 87 ASP 87 E THR 88 n 88 THR 88 E VAL 89 n 89 VAL 89 E GLN 90 n 90 GLN 90 E VAL 91 n 91 VAL 91 E GLY 92 n 92 GLY 92 E GLY 93 n 93 GLY 93 E ILE 94 n 94 ILE 94 E SER 95 n 95 SER 95 E ASP 96 n 96 ASP 96 E THR 97 n 97 THR 97 E ASN 98 n 98 ASN 98 E GLN 99 n 99 GLN 99 E ILE 100 n 100 ILE 100 E PHE 101 n 101 PHE 101 E GLY 102 n 102 GLY 102 E LEU 103 n 103 LEU 103 E SER 104 n 104 SER 104 E GLU 105 n 105 GLU 105 E THR 106 n 106 THR 106 E GLU 107 n 107 GLU 107 E PRO 108 n 108 PRO 108 E GLY 109 n 109 GLY 109 E SER 110 n 110 SER 110 E PHE 111 n 111 PHE 111 E LEU 112 n 112 LEU 112 E TYR 113 n 113 TYR 113 E TYR 114 n 114 TYR 114 E ALA 115 n 115 ALA 115 E PRO 116 n 116 PRO 116 E PHE 117 n 117 PHE 117 E ASP 118 n 118 ASP 118 E GLY 119 n 119 GLY 119 E ILE 120 n 120 ILE 120 E LEU 121 n 121 LEU 121 E GLY 122 n 122 GLY 122 E LEU 123 n 123 LEU 123 E ALA 124 n 124 ALA 124 E TYR 125 n 125 TYR 125 E PRO 126 n 126 PRO 126 E SER 127 n 127 SER 127 E ILE 128 n 128 ILE 128 E SER 129 n 129 SER 129 E SER 130 n 130 SER 130 E SER 131 n 131 SER 131 E GLY 132 n 132 GLY 132 E ALA 133 n 133 ALA 133 E THR 134 n 134 THR 134 E PRO 135 n 135 PRO 135 E VAL 136 n 136 VAL 136 E PHE 137 n 137 PHE 137 E ASP 138 n 138 ASP 138 E ASN 139 n 139 ASN 139 E ILE 140 n 140 ILE 140 E TRP 141 n 141 TRP 141 E ASN 142 n 142 ASN 142 E GLN 143 n 143 GLN 143 E GLY 144 n 144 GLY 144 E LEU 145 n 145 LEU 145 E VAL 146 n 146 VAL 146 E SER 147 n 147 SER 147 E GLN 148 n 148 GLN 148 E ASP 149 n 149 ASP 149 E LEU 150 n 150 LEU 150 E PHE 151 n 151 PHE 151 E SER 152 n 152 SER 152 E VAL 153 n 153 VAL 153 E TYR 154 n 154 TYR 154 E LEU 155 n 155 LEU 155 E SER 156 n 156 SER 156 E ALA 157 n 157 ALA 157 E ASP 158 n 158 ASP 158 E ASP 159 n 159 ASP 159 E GLN 160 n 160 GLN 160 E SER 161 n 161 SER 161 E GLY 162 n 162 GLY 162 E SER 163 n 163 SER 163 E VAL 164 n 164 VAL 164 E VAL 165 n 165 VAL 165 E ILE 166 n 166 ILE 166 E PHE 167 n 167 PHE 167 E GLY 168 n 168 GLY 168 E GLY 169 n 169 GLY 169 E ILE 170 n 170 ILE 170 E ASP 171 n 171 ASP 171 E SER 172 n 172 SER 172 E SER 173 n 173 SER 173 E TYR 174 n 174 TYR 174 E TYR 175 n 175 TYR 175 E THR 176 n 176 THR 176 E GLY 177 n 177 GLY 177 E SER 178 n 178 SER 178 E LEU 179 n 179 LEU 179 E ASN 180 n 180 ASN 180 E TRP 181 n 181 TRP 181 E VAL 182 n 182 VAL 182 E PRO 183 n 183 PRO 183 E VAL 184 n 184 VAL 184 E THR 185 n 185 THR 185 E VAL 186 n 186 VAL 186 E GLU 187 n 187 GLU 187 E GLY 188 n 188 GLY 188 E TYR 189 n 189 TYR 189 E TRP 190 n 190 TRP 190 E GLN 191 n 191 GLN 191 E ILE 192 n 192 ILE 192 E THR 193 n 193 THR 193 E VAL 194 n 194 VAL 194 E ASP 195 n 195 ASP 195 E SER 196 n 196 SER 196 E ILE 197 n 197 ILE 197 E THR 198 n 198 THR 198 E MET 199 n 199 MET 199 E ASN 200 n 200 ASN 200 E GLY 201 n 201 GLY 201 E GLU 202 n 202 GLU 202 E ALA 203 n 203 ALA 203 E ILE 204 n 204 ILE 204 E ALA 205 n 205 ALA 205 E CYS 206 n 206 CYS 206 E ALA 207 n 207 ALA 207 E GLU 208 n 208 GLU 208 E GLY 209 n 209 GLY 209 E CYS 210 n 210 CYS 210 E GLN 211 n 211 GLN 211 E ALA 212 n 212 ALA 212 E ILE 213 n 213 ILE 213 E VAL 214 n 214 VAL 214 E ASP 215 n 215 ASP 215 E THR 216 n 216 THR 216 E GLY 217 n 217 GLY 217 E THR 218 n 218 THR 218 E SER 219 n 219 SER 219 E LEU 220 n 220 LEU 220 E LEU 221 n 221 LEU 221 E THR 222 n 222 THR 222 E GLY 223 n 223 GLY 223 E PRO 224 n 224 PRO 224 E THR 225 n 225 THR 225 E SER 226 n 226 SER 226 E PRO 227 n 227 PRO 227 E ILE 228 n 228 ILE 228 E ALA 229 n 229 ALA 229 E ASN 230 n 230 ASN 230 E ILE 231 n 231 ILE 231 E GLN 232 n 232 GLN 232 E SER 233 n 233 SER 233 E ASP 234 n 234 ASP 234 E ILE 235 n 235 ILE 235 E GLY 236 n 236 GLY 236 E ALA 237 n 237 ALA 237 E SER 238 n 238 SER 238 E GLU 239 n 239 GLU 239 E ASN 240 n 240 ASN 240 E SER 241 n 241 SER 241 E ASP 242 n 242 ASP 242 E GLY 243 n 243 GLY 243 E ASP 244 n 244 ASP 244 E MET 245 n 245 MET 245 E VAL 246 n 246 VAL 246 E VAL 247 n 247 VAL 247 E SER 248 n 248 SER 248 E CYS 249 n 249 CYS 249 E SER 250 n 250 SER 250 E ALA 251 n 251 ALA 251 E ILE 252 n 252 ILE 252 E SER 253 n 253 SER 253 E SER 254 n 254 SER 254 E LEU 255 n 255 LEU 255 E PRO 256 n 256 PRO 256 E ASP 257 n 257 ASP 257 E ILE 258 n 258 ILE 258 E VAL 259 n 259 VAL 259 E PHE 260 n 260 PHE 260 E THR 261 n 261 THR 261 E ILE 262 n 262 ILE 262 E ASN 263 n 263 ASN 263 E GLY 264 n 264 GLY 264 E VAL 265 n 265 VAL 265 E GLN 266 n 266 GLN 266 E TYR 267 n 267 TYR 267 E PRO 268 n 268 PRO 268 E VAL 269 n 269 VAL 269 E PRO 270 n 270 PRO 270 E PRO 271 n 271 PRO 271 E SER 272 n 272 SER 272 E ALA 273 n 273 ALA 273 E TYR 274 n 274 TYR 274 E ILE 275 n 275 ILE 275 E LEU 276 n 276 LEU 276 E GLN 277 n 277 GLN 277 E SER 278 n 278 SER 278 E GLU 279 n 279 GLU 279 E GLY 280 n 280 GLY 280 E SER 281 n 281 SER 281 E CYS 282 n 282 CYS 282 E ILE 283 n 283 ILE 283 E SER 284 n 284 SER 284 E GLY 285 n 285 GLY 285 E PHE 286 n 286 PHE 286 E GLN 287 n 287 GLN 287 E GLY 288 n 288 GLY 288 E MET 289 n 289 MET 289 E ASN 290 n 290 ASN 290 E LEU 291 n 291 LEU 291 E PRO 292 n 292 PRO 292 E THR 293 n 293 THR 293 E GLU 294 n 294 GLU 294 E SER 295 n 295 SER 295 E GLY 296 n 296 GLY 296 E GLU 297 n 297 GLU 297 E LEU 298 n 298 LEU 298 E TRP 299 n 299 TRP 299 E ILE 300 n 300 ILE 300 E LEU 301 n 301 LEU 301 E GLY 302 n 302 GLY 302 E ASP 303 n 303 ASP 303 E VAL 304 n 304 VAL 304 E PHE 305 n 305 PHE 305 E ILE 306 n 306 ILE 306 E ARG 307 n 307 ARG 307 E GLN 308 n 308 GLN 308 E TYR 309 n 309 TYR 309 E PHE 310 n 310 PHE 310 E THR 311 n 311 THR 311 E VAL 312 n 312 VAL 312 E PHE 313 n 313 PHE 313 E ASP 314 n 314 ASP 314 E ARG 315 n 315 ARG 315 E ALA 316 n 316 ALA 316 E ASN 317 n 317 ASN 317 E ASN 318 n 318 ASN 318 E GLN 319 n 319 GLN 319 E VAL 320 n 320 VAL 320 E GLY 321 n 321 GLY 321 E LEU 322 n 322 LEU 322 E ALA 323 n 323 ALA 323 E PRO 324 n 324 PRO 324 E VAL 325 n 325 VAL 325 E ALA 326 n 326 ALA 326 E IVA 1 n 1 IVA 1 I VAL 2 n 2 VAL 2 I VAL 3 n 3 VAL 3 I STA 4 n 4 STA 4 I ALA 5 n 5 ALA 5 I STA 6 n 6 STA 6 I author_and_software_defined_assembly PISA 2 dimeric 1360 -11 13010 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 E O ASP 2 A O ASP 2 E N PHE 167 A N PHE 167 E O VAL 164 A O VAL 164 E N TYR 154 A N TYR 154 E O PHE 151 A O PHE 151 E N PHE 313 A N PHE 313 E O PHE 310 A O PHE 310 E N ALA 323 A N ALA 323 E O VAL 320 A O VAL 320 E N VAL 182 A N VAL 182 E O GLU 7 A O GLU 7 E N PHE 15 A N PHE 15 E O GLY 16 A O GLY 16 E N VAL 29 A N VAL 29 E O VAL 30 A O VAL 30 E N GLY 119 A N GLY 119 E O VAL 40 A O VAL 40 E N GLY 102 A N GLY 102 E O GLN 99 A O GLN 99 E N ASP 87 A N ASP 87 E O MET 80 A O MET 80 E N ILE 73 A N ILE 73 E O VAL 89 A O VAL 89 E N ASP 96 A N ASP 96 E O ILE 192 A O ILE 192 E N ALA 212 A N ALA 212 E O ILE 213 A O ILE 213 E N TRP 299 A N TRP 299 E O VAL 265 A O VAL 265 E N ILE 262 A N ILE 262 E O VAL 259 A O VAL 259 E N THR 198 A N THR 198 E O ILE 197 A O ILE 197 E N ALA 205 A N ALA 205 E O LEU 221 A O LEU 221 E N GLN 287 A N GLN 287 E O LEU 276 A O LEU 276 E N ILE 283 A N ILE 283 1 E N SER 295 A N SER 295 0 Y 1 E VAL 1 A VAL 1 0 Y 1 E GLU 239 A GLU 239 0 Y 1 E ASN 240 A ASN 240 0 Y 1 E SER 241 A SER 241 0 Y 1 E ASP 242 A ASP 242 0 Y 1 E GLY 243 A GLY 243 0 Y 1 E GLU 294 A GLU 294 0 Y 1 E GLY 169 10.04 1 E SER 281 12.66 1 I STA 4 28.40 1 I I STA ALA 4 5 -132.11 1 E PHE 111 0.079 SIDE CHAIN 1 E TYR 113 0.066 SIDE CHAIN 1 3.92 0.50 120.30 124.22 E E E NE CZ NH1 ARG ARG ARG 55 55 55 N 1 -4.09 0.60 121.00 116.91 E E E CB CG CD2 TYR TYR TYR 189 189 189 N 1 -3.96 0.60 121.00 117.04 E E E CB CG CD2 TYR TYR TYR 267 267 267 N 1 E ASP 159 56.38 17.74 1 E GLU 279 35.95 41.20 23.0 RESIDUES WITH ZERO OCCUPANCIES AND NEGATIVE B-FACTORS ARE DISORDERED AND THEIR POSITIONS ARE NOT CONSIDERED TO HAVE BEEN DETERMINED. 0.185 2.0 30.0 30584 98.6 1 0.0 2.0 30.0 234 2720 0 0 2486 0.011 2.46 2.75 1PSO 31184 0.0 1 97.0 refinement GROMOS data reduction SAN DIEGO SOFTWARE PEPSIN 3A (E.C.3.4.23.1) COMPLEXED WITH PEPSTATIN The crystal structure of human pepsin and its complex with pepstatin 1 N N 2 N N 3 N N 3 N N E LEU 48 A LEU 48 HELX_P E ASN 52 A ASN 52 1 1 5 E PRO 58 A PRO 58 HELX_P E ASP 60 A ASP 60 5 2 3 E PHE 111 A PHE 111 HELX_P E TYR 114 A TYR 114 1 3 4 E PRO 126 A PRO 126 HELX_P E ILE 128 A ILE 128 5 4 3 E SER 130 A SER 130 HELX_P E GLY 132 A GLY 132 5 5 3 E VAL 136 A VAL 136 HELX_P E ASN 142 A ASN 142 1 6 7 E SER 172 A SER 172 HELX_P E TYR 174 A TYR 174 5 7 3 E THR 225 A THR 225 HELX_P E ASP 234 A ASP 234 1 8 10 E CYS 249 A CYS 249 HELX_P E SER 254 A SER 254 5 9 6 E PRO 271 A PRO 271 HELX_P E TYR 274 A TYR 274 1 10 4 E ASP 303 A ASP 303 HELX_P E ILE 306 A ILE 306 1 11 4 disulf 2.019 E CYS 45 A SG CYS 45 1_555 E CYS 50 A SG CYS 50 1_555 disulf 2.051 E CYS 206 A SG CYS 206 1_555 E CYS 210 A SG CYS 210 1_555 disulf 2.049 E CYS 249 A SG CYS 249 1_555 E CYS 282 A SG CYS 282 1_555 covale 1.311 I IVA 1 B C IVA 1 1_555 I VAL 2 B N VAL 2 1_555 covale 1.319 I VAL 3 B C VAL 3 1_555 I STA 4 B N STA 4 1_555 covale 1.326 I STA 4 B C STA 4 1_555 I ALA 5 B N ALA 5 1_555 covale 1.336 I ALA 5 B C ALA 5 1_555 I STA 6 B N STA 6 1_555 HYDROLASE/HYDROLASE INHIBITOR ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR complex E THR 22 A THR 22 1 E PRO 23 A PRO 23 -2.96 PEPA_HUMAN UNP 1 1 P00790 MKWLLLLGLVALSECIMYKVPLIRKKSLRRTLSERGLLKDFLKKHNLNPARKYFPQWEAPTLVDEQPLENYLDMEYFGTI GIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTN QIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGS LNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDI VFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 1PSO PDB 2 1PSO 63 388 1PSO 1 326 P00790 E 1 1 326 1 6 1PSO 1 6 1PSO I 2 1 6 6 4 4 2 3 4 2 2 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel E ASP 2 A ASP 2 E PRO 5 A PRO 5 E VAL 164 A VAL 164 E PHE 167 A PHE 167 E LEU 150 A LEU 150 E TYR 154 A TYR 154 E TYR 309 A TYR 309 E ASP 314 A ASP 314 E GLN 319 A GLN 319 E PRO 324 A PRO 324 E ASN 180 A ASN 180 E PRO 183 A PRO 183 E GLU 7 A GLU 7 E TYR 9 A TYR 9 E GLU 13 A GLU 13 E ILE 20 A ILE 20 E GLN 25 A GLN 25 E ASP 32 A ASP 32 E GLY 119 A GLY 119 E GLY 122 A GLY 122 E TRP 39 A TRP 39 E PRO 41 A PRO 41 E GLN 99 A GLN 99 E THR 106 A THR 106 E SER 79 A SER 79 E ASP 87 A ASP 87 E THR 70 A THR 70 E THR 74 A THR 74 E VAL 89 A VAL 89 E VAL 91 A VAL 91 E ILE 94 A ILE 94 E ASP 96 A ASP 96 E GLN 191 A GLN 191 E VAL 194 A VAL 194 E CYS 210 A CYS 210 E VAL 214 A VAL 214 E TRP 299 A TRP 299 E LEU 301 A LEU 301 E VAL 265 A VAL 265 E VAL 269 A VAL 269 E ILE 258 A ILE 258 E ILE 262 A ILE 262 E SER 196 A SER 196 E MET 199 A MET 199 E GLU 202 A GLU 202 E ALA 205 A ALA 205 E LEU 221 A LEU 221 E GLY 223 A GLY 223 E PHE 286 A PHE 286 E GLY 288 A GLY 288 E ILE 275 A ILE 275 E SER 278 A SER 278 E SER 281 A SER 281 E SER 284 A SER 284 BINDING SITE FOR CHAIN I OF PEPSTATIN Software 16 E MET 12 A MET 12 16 1_555 E ASP 32 A ASP 32 16 1_555 E GLY 34 A GLY 34 16 1_555 E THR 74 A THR 74 16 1_555 E TYR 75 A TYR 75 16 1_555 E GLY 76 A GLY 76 16 1_555 E THR 77 A THR 77 16 1_555 E PHE 111 A PHE 111 16 1_555 E TYR 189 A TYR 189 16 1_555 E ASP 215 A ASP 215 16 1_555 E GLY 217 A GLY 217 16 1_555 E THR 218 A THR 218 16 1_555 E SER 219 A SER 219 16 1_555 E GLN 287 A GLN 287 16 1_555 E HOH 343 C HOH 16 1_555 E HOH 382 C HOH 16 1_555 19 P 21 21 21