0.019220 0.000000 0.000000 0.000000 0.017313 0.000000 0.000000 0.000000 0.013277 0.00000 0.00000 0.00000 Mattos, C. Petsko, G.A. Ringe, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 52.030 57.760 75.319 C21 H19 F6 N3 O3 475.384 N-(trifluoroacetyl)-L-phenylalanyl-N-[4-(trifluoromethyl)phenyl]-L-alaninamide TFAP peptide-like C2 H4 O2 60.052 ACETIC ACID non-polymer 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 Ca 2 40.078 CALCIUM ION non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 34 3193 3203 10.1021/bi00010a008 7880814 Structural analysis of the active site of porcine pancreatic elastase based on the X-ray crystal structures of complexes with trifluoroacetyl-dipeptide-anilide inhibitors. 1995 US Nat.Struct.Biol. NSBIEW 2024 1072-8368 1 55 Analogous Inhibitors of Elastase Do not Always Bind Analogously 1994 UK J.Mol.Recog. JMORE4 0814 0952-3499 3 36 Interaction of the Peptide Cf3-Leu-Ala-Nh-C6H4-Cf3(Tfla) with Porcine Pancreatic Elastase. X-Ray Studies at 1.8 Angstroms 1990 DK Acta Crystallogr.,Sect.B ASBSDK 0622 0108-7681 44 26 Structure of Native Porcine Pancreatic Elastase at 1.65 Angstroms Resolution 1988 UK J.Mol.Biol. JMOBAK 0070 0022-2836 189 533 Structure of the Product Complex of Acetyl-Ala-Pro-Ala with Porcine Pancreatic Elastase at 1.65 Angstroms Resolution 1986 UK J.Mol.Biol. JMOBAK 0070 0022-2836 162 645 Crystallographic Study of the Binding of a Tri-Fluoroacetyl Dipeptide Anilide Inhibitor with Elastase 1982 IX Eur.J.Biochem. EJBCAI 0262 0014-2956 107 423 The Indirect Mechanism of Action of the Trifluoroacetyl Peptides on Elastase 1980 UK J.Mol.Biol. JMOBAK 0070 0022-2836 118 137 The Atomic Structure of Crystalline Porcine Pancreatic Elastase at 2.5 Angstroms Resolution. Comparisons with the Structure of Alpha-Chymotrypsin 1978 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 x-ray 1 1.0 25928.031 ELASTASE 3.4.21.36 1 man polymer 475.384 N-(trifluoroacetyl)-L-phenylalanyl-N-[4-(trifluoromethyl)phenyl]-L-alaninamide 1 syn non-polymer 40.078 CALCIUM ION 1 syn non-polymer 60.052 ACETIC ACID 1 syn non-polymer 18.015 water 133 nat water no no VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN E 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 pig sample 9823 PANCREAS Sus scrofa 2.14 42.59 THE COMPLEX WAS CO-CRYSTALLIZED. THE CO-CRYSTALS WERE GROWN BY THE METHOD OF VAPOR DIFFUSION IN 40 MICROLITER DROPS CONTAINING 7MG/ML OF ELASTASE, 0.1 MILLIMOLAR TFA-PHE-ALA-TFM, 1.4 MILLIMOLAR SODIUM SULFATE AND 100 MILLIMOLAR SODIUM ACETATE AT PH 5. THE RESERVOIR CONSISTED OF 100 MILLIMOLAR SODIUM SULFATE AND 100 MILLIMOLAR ACETATE BUFFER AT PH 5. repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance Other 1 0 1995-02-14 1 1 2008-03-03 1 2 2011-07-13 1 3 2012-12-12 SHEET THE TWO SEVEN-STRANDED SHEETS IN THIS STRUCTURE ARE REALLY SIX-STRANDED BETA BARRELS. THIS IS DENOTED BY THE FIRST STRAND RECURRING AS THE LAST STRAND. Y 1994-10-24 REL 0Z0 N-(trifluoroacetyl)-L-phenylalanyl-N-[4-(trifluoromethyl)phenyl]-L-alaninamide CA CALCIUM ION ACY ACETIC ACID HOH water THE IDENTITY OF ASN A 81 AGREES WITH THE SEQUENCES OF SEVERAL OTHER ELASTASE STRUCTURES. THE AUTHORS THEREFORE BELIEVE IT TO BE CORRECT. Inhibitor N-(trifluoroacetyl)-L-phenylalanyl-N-[4-(trifluoromethyl)phenyl]-L-alaninamide Peptide-like TFA 256 2 0Z0 0Z0 256 E CA 280 3 CA CA 280 E ACY 300 4 ACY ACY 300 E HOH 290 5 HOH HOH 290 E HOH 301 5 HOH HOH 301 E HOH 302 5 HOH HOH 302 E HOH 303 5 HOH HOH 303 E HOH 304 5 HOH HOH 304 E HOH 305 5 HOH HOH 305 E HOH 306 5 HOH HOH 306 E HOH 307 5 HOH HOH 307 E HOH 308 5 HOH HOH 308 E HOH 309 5 HOH HOH 309 E HOH 310 5 HOH HOH 310 E HOH 311 5 HOH HOH 311 E HOH 312 5 HOH HOH 312 E HOH 313 5 HOH HOH 313 E HOH 314 5 HOH HOH 314 E HOH 315 5 HOH HOH 315 E HOH 316 5 HOH HOH 316 E HOH 317 5 HOH HOH 317 E HOH 318 5 HOH HOH 318 E HOH 319 5 HOH HOH 319 E HOH 320 5 HOH HOH 320 E HOH 321 5 HOH HOH 321 E HOH 322 5 HOH HOH 322 E HOH 323 5 HOH HOH 323 E HOH 324 5 HOH HOH 324 E HOH 326 5 HOH HOH 326 E HOH 327 5 HOH HOH 327 E HOH 328 5 HOH HOH 328 E HOH 329 5 HOH HOH 329 E HOH 331 5 HOH HOH 331 E HOH 332 5 HOH HOH 332 E HOH 401 5 HOH HOH 401 E HOH 402 5 HOH HOH 402 E HOH 403 5 HOH HOH 403 E HOH 404 5 HOH HOH 404 E HOH 405 5 HOH HOH 405 E HOH 407 5 HOH HOH 407 E HOH 408 5 HOH HOH 408 E HOH 410 5 HOH HOH 410 E HOH 411 5 HOH HOH 411 E HOH 412 5 HOH HOH 412 E HOH 413 5 HOH HOH 413 E HOH 414 5 HOH HOH 414 E HOH 415 5 HOH HOH 415 E HOH 416 5 HOH HOH 416 E HOH 417 5 HOH HOH 417 E HOH 418 5 HOH HOH 418 E HOH 419 5 HOH HOH 419 E HOH 421 5 HOH HOH 421 E HOH 423 5 HOH HOH 423 E HOH 425 5 HOH HOH 425 E HOH 427 5 HOH HOH 427 E HOH 428 5 HOH HOH 428 E HOH 429 5 HOH HOH 429 E HOH 430 5 HOH HOH 430 E HOH 431 5 HOH HOH 431 E HOH 432 5 HOH HOH 432 E HOH 433 5 HOH HOH 433 E HOH 437 5 HOH HOH 437 E HOH 438 5 HOH HOH 438 E HOH 439 5 HOH HOH 439 E HOH 440 5 HOH HOH 440 E HOH 441 5 HOH HOH 441 E HOH 442 5 HOH HOH 442 E HOH 443 5 HOH HOH 443 E HOH 444 5 HOH HOH 444 E HOH 445 5 HOH HOH 445 E HOH 446 5 HOH HOH 446 E HOH 448 5 HOH HOH 448 E HOH 449 5 HOH HOH 449 E HOH 450 5 HOH HOH 450 E HOH 452 5 HOH HOH 452 E HOH 453 5 HOH HOH 453 E HOH 455 5 HOH HOH 455 E HOH 457 5 HOH HOH 457 E HOH 458 5 HOH HOH 458 E HOH 459 5 HOH HOH 459 E HOH 460 5 HOH HOH 460 E HOH 461 5 HOH HOH 461 E HOH 515 5 HOH HOH 515 E HOH 516 5 HOH HOH 516 E HOH 518 5 HOH HOH 518 E HOH 519 5 HOH HOH 519 E HOH 521 5 HOH HOH 521 E HOH 522 5 HOH HOH 522 E HOH 523 5 HOH HOH 523 E HOH 524 5 HOH HOH 524 E HOH 527 5 HOH HOH 527 E HOH 529 5 HOH HOH 529 E HOH 530 5 HOH HOH 530 E HOH 531 5 HOH HOH 531 E HOH 532 5 HOH HOH 532 E HOH 533 5 HOH HOH 533 E HOH 535 5 HOH HOH 535 E HOH 536 5 HOH HOH 536 E HOH 537 5 HOH HOH 537 E HOH 538 5 HOH HOH 538 E HOH 539 5 HOH HOH 539 E HOH 541 5 HOH HOH 541 E HOH 543 5 HOH HOH 543 E HOH 544 5 HOH HOH 544 E HOH 545 5 HOH HOH 545 E HOH 546 5 HOH HOH 546 E HOH 547 5 HOH HOH 547 E HOH 548 5 HOH HOH 548 E HOH 601 5 HOH HOH 601 E HOH 602 5 HOH HOH 602 E HOH 603 5 HOH HOH 603 E HOH 604 5 HOH HOH 604 E HOH 606 5 HOH HOH 606 E HOH 608 5 HOH HOH 608 E HOH 609 5 HOH HOH 609 E HOH 612 5 HOH HOH 612 E HOH 613 5 HOH HOH 613 E HOH 614 5 HOH HOH 614 E HOH 616 5 HOH HOH 616 E HOH 620 5 HOH HOH 620 E HOH 622 5 HOH HOH 622 E HOH 623 5 HOH HOH 623 E HOH 624 5 HOH HOH 624 E HOH 625 5 HOH HOH 625 E HOH 631 5 HOH HOH 631 E HOH 636 5 HOH HOH 636 E HOH 642 5 HOH HOH 642 E HOH 643 5 HOH HOH 643 E HOH 644 5 HOH HOH 644 E HOH 645 5 HOH HOH 645 E HOH 646 5 HOH HOH 646 E HOH 647 5 HOH HOH 647 E HOH 648 5 HOH HOH 648 E HOH 649 5 HOH HOH 649 E HOH 650 5 HOH HOH 650 E HOH 651 5 HOH HOH 651 E VAL 16 n 1 VAL 16 E VAL 17 n 2 VAL 17 E GLY 18 n 3 GLY 18 E GLY 19 n 4 GLY 19 E THR 20 n 5 THR 20 E GLU 21 n 6 GLU 21 E ALA 22 n 7 ALA 22 E GLN 23 n 8 GLN 23 E ARG 24 n 9 ARG 24 E ASN 25 n 10 ASN 25 E SER 26 n 11 SER 26 E TRP 27 n 12 TRP 27 E PRO 28 n 13 PRO 28 E SER 29 n 14 SER 29 E GLN 30 n 15 GLN 30 E ILE 31 n 16 ILE 31 E SER 32 n 17 SER 32 E LEU 33 n 18 LEU 33 E GLN 34 n 19 GLN 34 E TYR 35 n 20 TYR 35 E ARG 36 n 21 ARG 36 E SER 37 n 22 SER 37 E GLY 38 n 23 GLY 38 E SER 39 n 24 SER 39 E SER 40 n 25 SER 40 E TRP 41 n 26 TRP 41 E ALA 42 n 27 ALA 42 E HIS 43 n 28 HIS 43 E THR 44 n 29 THR 44 E CYS 45 n 30 CYS 45 E GLY 46 n 31 GLY 46 E GLY 47 n 32 GLY 47 E THR 48 n 33 THR 48 E LEU 49 n 34 LEU 49 E ILE 50 n 35 ILE 50 E ARG 51 n 36 ARG 51 E GLN 52 n 37 GLN 52 E ASN 53 n 38 ASN 53 E TRP 54 n 39 TRP 54 E VAL 55 n 40 VAL 55 E MET 56 n 41 MET 56 E THR 57 n 42 THR 57 E ALA 58 n 43 ALA 58 E ALA 59 n 44 ALA 59 E HIS 60 n 45 HIS 60 E CYS 61 n 46 CYS 61 E VAL 62 n 47 VAL 62 E ASP 63 n 48 ASP 63 E ARG 64 n 49 ARG 64 E GLU 65 n 50 GLU 65 E LEU 66 n 51 LEU 66 E THR 67 n 52 THR 67 E PHE 68 n 53 PHE 68 E ARG 69 n 54 ARG 69 E VAL 70 n 55 VAL 70 E VAL 71 n 56 VAL 71 E VAL 72 n 57 VAL 72 E GLY 73 n 58 GLY 73 E GLU 74 n 59 GLU 74 E HIS 75 n 60 HIS 75 E ASN 76 n 61 ASN 76 E LEU 77 n 62 LEU 77 E ASN 78 n 63 ASN 78 E GLN 79 n 64 GLN 79 E ASN 80 n 65 ASN 80 E ASN 81 n 66 ASN 81 E GLY 82 n 67 GLY 82 E THR 83 n 68 THR 83 E GLU 84 n 69 GLU 84 E GLN 85 n 70 GLN 85 E TYR 86 n 71 TYR 86 E VAL 87 n 72 VAL 87 E GLY 88 n 73 GLY 88 E VAL 89 n 74 VAL 89 E GLN 90 n 75 GLN 90 E LYS 91 n 76 LYS 91 E ILE 92 n 77 ILE 92 E VAL 93 n 78 VAL 93 E VAL 94 n 79 VAL 94 E HIS 95 n 80 HIS 95 E PRO 96 n 81 PRO 96 E TYR 97 n 82 TYR 97 E TRP 98 n 83 TRP 98 E ASN 99 n 84 ASN 99 E THR 100 n 85 THR 100 E ASP 101 n 86 ASP 101 E ASP 102 n 87 ASP 102 E VAL 103 n 88 VAL 103 E ALA 104 n 89 ALA 104 E ALA 105 n 90 ALA 105 E GLY 106 n 91 GLY 106 E TYR 107 n 92 TYR 107 E ASP 108 n 93 ASP 108 E ILE 109 n 94 ILE 109 E ALA 110 n 95 ALA 110 E LEU 111 n 96 LEU 111 E LEU 112 n 97 LEU 112 E ARG 113 n 98 ARG 113 E LEU 114 n 99 LEU 114 E ALA 115 n 100 ALA 115 E GLN 116 n 101 GLN 116 E SER 117 n 102 SER 117 E VAL 118 n 103 VAL 118 E THR 119 n 104 THR 119 E LEU 120 n 105 LEU 120 E ASN 121 n 106 ASN 121 E SER 122 n 107 SER 122 E TYR 123 n 108 TYR 123 E VAL 124 n 109 VAL 124 E GLN 125 n 110 GLN 125 E LEU 126 n 111 LEU 126 E GLY 127 n 112 GLY 127 E VAL 128 n 113 VAL 128 E LEU 129 n 114 LEU 129 E PRO 130 n 115 PRO 130 E ARG 131 n 116 ARG 131 E ALA 132 n 117 ALA 132 E GLY 133 n 118 GLY 133 E THR 134 n 119 THR 134 E ILE 135 n 120 ILE 135 E LEU 136 n 121 LEU 136 E ALA 137 n 122 ALA 137 E ASN 138 n 123 ASN 138 E ASN 139 n 124 ASN 139 E SER 140 n 125 SER 140 E PRO 141 n 126 PRO 141 E CYS 142 n 127 CYS 142 E TYR 143 n 128 TYR 143 E ILE 144 n 129 ILE 144 E THR 145 n 130 THR 145 E GLY 146 n 131 GLY 146 E TRP 147 n 132 TRP 147 E GLY 148 n 133 GLY 148 E LEU 149 n 134 LEU 149 E THR 150 n 135 THR 150 E ARG 151 n 136 ARG 151 E THR 152 n 137 THR 152 E ASN 153 n 138 ASN 153 E GLY 154 n 139 GLY 154 E GLN 155 n 140 GLN 155 E LEU 156 n 141 LEU 156 E ALA 157 n 142 ALA 157 E GLN 158 n 143 GLN 158 E THR 159 n 144 THR 159 E LEU 160 n 145 LEU 160 E GLN 161 n 146 GLN 161 E GLN 162 n 147 GLN 162 E ALA 163 n 148 ALA 163 E TYR 164 n 149 TYR 164 E LEU 165 n 150 LEU 165 E PRO 166 n 151 PRO 166 E THR 167 n 152 THR 167 E VAL 168 n 153 VAL 168 E ASP 169 n 154 ASP 169 E TYR 170 n 155 TYR 170 E ALA 171 n 156 ALA 171 E ILE 172 n 157 ILE 172 E CYS 173 n 158 CYS 173 E SER 174 n 159 SER 174 E SER 175 n 160 SER 175 E SER 176 n 161 SER 176 E SER 177 n 162 SER 177 E TYR 178 n 163 TYR 178 E TRP 179 n 164 TRP 179 E GLY 180 n 165 GLY 180 E SER 181 n 166 SER 181 E THR 182 n 167 THR 182 E VAL 183 n 168 VAL 183 E LYS 184 n 169 LYS 184 E ASN 185 n 170 ASN 185 E SER 186 n 171 SER 186 E MET 187 n 172 MET 187 E VAL 188 n 173 VAL 188 E CYS 189 n 174 CYS 189 E ALA 190 n 175 ALA 190 E GLY 191 n 176 GLY 191 E GLY 192 n 177 GLY 192 E ASP 193 n 178 ASP 193 E GLY 194 n 179 GLY 194 E VAL 195 n 180 VAL 195 E ARG 196 n 181 ARG 196 E SER 197 n 182 SER 197 E GLY 198 n 183 GLY 198 E CYS 199 n 184 CYS 199 E GLN 200 n 185 GLN 200 E GLY 201 n 186 GLY 201 E ASP 202 n 187 ASP 202 E SER 203 n 188 SER 203 E GLY 204 n 189 GLY 204 E GLY 205 n 190 GLY 205 E PRO 206 n 191 PRO 206 E LEU 207 n 192 LEU 207 E HIS 208 n 193 HIS 208 E CYS 209 n 194 CYS 209 E LEU 210 n 195 LEU 210 E VAL 211 n 196 VAL 211 E ASN 212 n 197 ASN 212 E GLY 213 n 198 GLY 213 E GLN 214 n 199 GLN 214 E TYR 215 n 200 TYR 215 E ALA 216 n 201 ALA 216 E VAL 217 n 202 VAL 217 E HIS 218 n 203 HIS 218 E GLY 219 n 204 GLY 219 E VAL 220 n 205 VAL 220 E THR 221 n 206 THR 221 E SER 222 n 207 SER 222 E PHE 223 n 208 PHE 223 E VAL 224 n 209 VAL 224 E SER 225 n 210 SER 225 E ARG 226 n 211 ARG 226 E LEU 227 n 212 LEU 227 E GLY 228 n 213 GLY 228 E CYS 229 n 214 CYS 229 E ASN 230 n 215 ASN 230 E VAL 231 n 216 VAL 231 E THR 232 n 217 THR 232 E ARG 233 n 218 ARG 233 E LYS 234 n 219 LYS 234 E PRO 235 n 220 PRO 235 E THR 236 n 221 THR 236 E VAL 237 n 222 VAL 237 E PHE 238 n 223 PHE 238 E THR 239 n 224 THR 239 E ARG 240 n 225 ARG 240 E VAL 241 n 226 VAL 241 E SER 242 n 227 SER 242 E ALA 243 n 228 ALA 243 E TYR 244 n 229 TYR 244 E ILE 245 n 230 ILE 245 E SER 246 n 231 SER 246 E TRP 247 n 232 TRP 247 E ILE 248 n 233 ILE 248 E ASN 249 n 234 ASN 249 E ASN 250 n 235 ASN 250 E VAL 251 n 236 VAL 251 E ILE 252 n 237 ILE 252 E ALA 253 n 238 ALA 253 E SER 254 n 239 SER 254 E ASN 255 n 240 ASN 255 E author_defined_assembly 1 monomeric E ASN 76 A O ASN 61 1_555 E CA 280 C CA CA 1_555 E GLU 74 A OE1 GLU 59 1_555 71.3 E ASN 76 A O ASN 61 1_555 E CA 280 C CA CA 1_555 E HOH 327 E O HOH 1_555 104.2 E GLU 74 A OE1 GLU 59 1_555 E CA 280 C CA CA 1_555 E HOH 327 E O HOH 1_555 107.7 E ASN 76 A O ASN 61 1_555 E CA 280 C CA CA 1_555 E GLU 84 A OE2 GLU 69 1_555 171.3 E GLU 74 A OE1 GLU 59 1_555 E CA 280 C CA CA 1_555 E GLU 84 A OE2 GLU 69 1_555 103.7 E HOH 327 E O HOH 1_555 E CA 280 C CA CA 1_555 E GLU 84 A OE2 GLU 69 1_555 84.0 E ASN 76 A O ASN 61 1_555 E CA 280 C CA CA 1_555 E GLN 79 A O GLN 64 1_555 85.4 E GLU 74 A OE1 GLU 59 1_555 E CA 280 C CA CA 1_555 E GLN 79 A O GLN 64 1_555 152.9 E HOH 327 E O HOH 1_555 E CA 280 C CA CA 1_555 E GLN 79 A O GLN 64 1_555 91.0 E GLU 84 A OE2 GLU 69 1_555 E CA 280 C CA CA 1_555 E GLN 79 A O GLN 64 1_555 97.5 E ASN 76 A O ASN 61 1_555 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 85.1 E GLU 74 A OE1 GLU 59 1_555 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 74.2 E HOH 327 E O HOH 1_555 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 170.6 E GLU 84 A OE2 GLU 69 1_555 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 86.6 E GLN 79 A O GLN 64 1_555 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 90.6 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 E E C5 O 0Z0 HOH 256 651 2.06 1 3.41 0.50 120.30 123.71 E E E NE CZ NH1 ARG ARG ARG 24 24 24 N 1 6.63 0.80 106.30 112.93 E E E CD1 CG CD2 TRP TRP TRP 27 27 27 N 1 -6.46 0.80 107.30 100.84 E E E CE2 CD2 CG TRP TRP TRP 27 27 27 N 1 5.62 0.90 133.90 139.52 E E E CG CD2 CE3 TRP TRP TRP 27 27 27 N 1 7.37 0.80 106.30 113.67 E E E CD1 CG CD2 TRP TRP TRP 41 41 41 N 1 -5.70 0.80 107.30 101.60 E E E CE2 CD2 CG TRP TRP TRP 41 41 41 N 1 5.20 0.80 106.30 111.50 E E E CD1 CG CD2 TRP TRP TRP 54 54 54 N 1 -5.08 0.80 107.30 102.22 E E E CE2 CD2 CG TRP TRP TRP 54 54 54 N 1 4.61 0.50 120.30 124.91 E E E NE CZ NH1 ARG ARG ARG 64 64 64 N 1 -4.28 0.50 120.30 116.02 E E E NE CZ NH2 ARG ARG ARG 64 64 64 N 1 5.29 0.80 106.30 111.59 E E E CD1 CG CD2 TRP TRP TRP 98 98 98 N 1 -5.37 0.80 107.30 101.93 E E E CE2 CD2 CG TRP TRP TRP 98 98 98 N 1 7.34 1.10 114.20 121.54 E E E CA CB SG CYS CYS CYS 142 142 142 N 1 6.21 0.80 106.30 112.51 E E E CD1 CG CD2 TRP TRP TRP 147 147 147 N 1 -6.05 0.80 107.30 101.25 E E E CE2 CD2 CG TRP TRP TRP 147 147 147 N 1 -15.18 1.90 110.30 95.12 E E E N CA CB THR THR THR 167 167 167 N 1 -3.69 0.60 121.00 117.31 E E E CB CG CD1 TYR TYR TYR 178 178 178 N 1 5.82 0.80 106.30 112.12 E E E CD1 CG CD2 TRP TRP TRP 179 179 179 N 1 -5.27 0.80 107.30 102.03 E E E CE2 CD2 CG TRP TRP TRP 179 179 179 N 1 -11.18 1.60 110.90 99.72 E E E CG1 CB CG2 VAL VAL VAL 183 183 183 N 1 3.21 0.50 120.30 123.51 E E E NE CZ NH1 ARG ARG ARG 196 196 196 N 1 4.56 0.50 120.30 124.86 E E E NE CZ NH1 ARG ARG ARG 226 226 226 N 1 -5.14 0.50 120.30 115.16 E E E NE CZ NH2 ARG ARG ARG 226 226 226 N 1 3.09 0.50 120.30 123.39 E E E NE CZ NH1 ARG ARG ARG 233 233 233 N 1 -15.80 2.10 111.80 96.00 E E E CG CD NE ARG ARG ARG 240 240 240 N 1 7.11 0.50 120.30 127.41 E E E NE CZ NH1 ARG ARG ARG 240 240 240 N 1 -7.61 0.50 120.30 112.69 E E E NE CZ NH2 ARG ARG ARG 240 240 240 N 1 5.42 0.80 106.30 111.72 E E E CD1 CG CD2 TRP TRP TRP 247 247 247 N 1 -4.89 0.80 107.30 102.41 E E E CE2 CD2 CG TRP TRP TRP 247 247 247 N 1 E E NE2 CD2 HIS HIS 43 43 -0.066 0.011 1.373 1.307 N 1 E E NE2 CD2 HIS HIS 60 60 -0.076 0.011 1.373 1.297 N 1 E E NE2 CD2 HIS HIS 75 75 -0.069 0.011 1.373 1.304 N 1 E E NE2 CD2 HIS HIS 95 95 -0.067 0.011 1.373 1.306 N 1 E E NE2 CD2 HIS HIS 208 208 -0.068 0.011 1.373 1.305 N 1 E HIS 75 -133.19 -50.15 1 E TYR 178 -97.72 -117.11 1 E PRO 235 -48.62 153.57 0.196 0.196 2. 10. 1 0. 2. 10. 133 1993 38 0 1822 model building X-PLOR refinement X-PLOR phasing X-PLOR ELASTASE (E.C.3.4.21.36) COMPLEXED WITH TRIFLUOROACETYL-L-PHENYLALANYL-L-ALANYL-P-TRIFLUOROMETHYLANINIDE (TFA-PHE-ALA-TFM) Structural analysis of the active site of porcine pancreatic elastase based on the x-ray crystal structures of complexes with trifluoroacetyl-dipeptide-anilide inhibitors 1 N N 2 N N 3 N N 4 N N 5 N N E ASP 169 A ASP 154 HELX_P E SER 175 A SER 160 1 H1 7 E TYR 244 A TYR 229 HELX_P E ASN 255 A ASN 240 1 H2 12 disulf 2.028 E CYS 45 A SG CYS 30 1_555 E CYS 61 A SG CYS 46 1_555 disulf 1.982 E CYS 142 A SG CYS 127 1_555 E CYS 209 A SG CYS 194 1_555 disulf 1.991 E CYS 173 A SG CYS 158 1_555 E CYS 189 A SG CYS 174 1_555 disulf 2.019 E CYS 199 A SG CYS 184 1_555 E CYS 229 A SG CYS 214 1_555 metalc 2.442 E CA 280 C CA CA 1_555 E ASN 76 A O ASN 61 1_555 metalc 2.511 E CA 280 C CA CA 1_555 E GLU 74 A OE1 GLU 59 1_555 metalc 2.398 E CA 280 C CA CA 1_555 E HOH 327 E O HOH 1_555 metalc 2.499 E CA 280 C CA CA 1_555 E GLU 84 A OE2 GLU 69 1_555 metalc 2.407 E CA 280 C CA CA 1_555 E GLN 79 A O GLN 64 1_555 metalc 2.557 E CA 280 C CA CA 1_555 E ASN 81 A OD1 ASN 66 1_555 HYDROLASE/HYDROLASE INHIBITOR HYDROLASE-HYDROLASE INHIBITOR COMPLEX, SERINE PROTEINASE EL1_PIG UNP 1 27 P00772 VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNDGTEQYVGVQKIVVH PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN 27 266 1ELD 16 255 P00772 E 1 1 240 1 ASP CONFLICT ASN 81 1ELD E P00772 UNP 92 66 7 7 3 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 E SER 29 A SER 14 E SER 37 A SER 22 E SER 40 A SER 25 E ILE 50 A ILE 35 E ASN 53 A ASN 38 E ALA 59 A ALA 44 E ASP 108 A ASP 93 E GLN 116 A GLN 101 E GLU 84 A GLU 69 E HIS 95 A HIS 80 E PHE 68 A PHE 53 E GLY 73 A GLY 58 E SER 29 A SER 14 E SER 37 A SER 22 E ASN 139 A ASN 124 E THR 150 A THR 135 E GLY 154 A GLY 139 E VAL 168 A VAL 153 E SER 186 A SER 171 E VAL 195 A VAL 180 E ASN 230 A ASN 215 E VAL 241 A VAL 226 E HIS 218 A HIS 203 E VAL 224 A VAL 209 E SER 203 A SER 188 E CYS 209 A CYS 194 E ASN 139 A ASN 124 E THR 150 A THR 135 E GLY 154 A GLY 139 E ALA 157 A ALA 142 E TRP 147 A TRP 132 E LEU 149 A LEU 134 E GLN 200 A GLN 185 E ASP 202 A ASP 187 BINDING SITE FOR RESIDUE 0Z0 E 256 Software 17 BINDING SITE FOR RESIDUE CA E 280 Software 6 BINDING SITE FOR RESIDUE ACY E 300 Software 7 E HIS 60 A HIS 45 17 1_555 E GLU 65 A GLU 50 17 4_456 E LEU 66 A LEU 51 17 4_456 E VAL 103 A VAL 88 17 1_555 E ALA 104 A ALA 89 17 1_555 E THR 182 A THR 167 17 1_555 E CYS 199 A CYS 184 17 1_555 E GLN 200 A GLN 185 17 1_555 E SER 203 A SER 188 17 1_555 E THR 221 A THR 206 17 1_555 E SER 222 A SER 207 17 1_555 E PHE 223 A PHE 208 17 1_555 E VAL 224 A VAL 209 17 1_555 E ARG 226 A ARG 211 17 1_555 E ACY 300 D ACY 17 1_555 E HOH 642 E HOH 17 1_555 E HOH 651 E HOH 17 1_555 E GLU 74 A GLU 59 6 1_555 E ASN 76 A ASN 61 6 1_555 E GLN 79 A GLN 64 6 1_555 E ASN 81 A ASN 66 6 1_555 E GLU 84 A GLU 69 6 1_555 E HOH 327 E HOH 6 1_555 E THR 44 A THR 29 7 1_555 E HIS 60 A HIS 45 7 1_555 E GLN 200 A GLN 185 7 1_555 E GLY 201 A GLY 186 7 1_555 E SER 203 A SER 188 7 1_555 E 0Z0 256 B 0Z0 7 1_555 E HOH 647 E HOH 7 1_555 19 P 21 21 21