0.019728 0.000000 0.000000 0.000000 0.017227 0.000000 0.000000 0.000000 0.013289 0.00000 0.00000 0.00000 Mattos, C. Rasmussen, B. Ding, X. Petsko, G.A. Ringe, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 50.690 58.050 75.250 C23 H36 F3 N4 O3 1 473.552 6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide peptide-like 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 O4 S -2 96.063 SULFATE ION non-polymer 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 Nat.Struct.Biol. NSBIEW 2024 1072-8368 1 55 58 10.1038/nsb0194-55 7656008 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 473.552 6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide 1 syn non-polymer 40.078 CALCIUM ION 1 syn non-polymer 96.063 SULFATE ION 1 syn non-polymer 18.015 water 126 nat water no no VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRELTFRVVVGEHNLNQNNGTEQYVGVQKIVVH PYWNTDDVAAGYDIALLRLAQSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYLPTVDYAICSS SSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQYAVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN 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 pig sample 9823 PANCREAS Sus scrofa 2.10 41.32 THE COMPLEX WAS DONE BY SOAKING OF THE INHIBITOR. THE NATIVE ELASTASE CRYSTALS WERE TRANSFERRED FROM THE SITTING DROP TO A HIGH-SALT MOTHER LIQUOR CONTAINING THE TFA-LYS-PRO-ISO INHIBITOR AT A CONCENTRATION OF 0.1 MILLIMOLAR. THE INHIBITOR WAS SOAKED FOR FOUR DAYS. repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance Other 1 0 1994-06-22 1 1 2008-03-03 1 2 2011-07-13 1 3 2012-12-12 SHEET THE SHEETS PRESENTED AS *S1* AND *S2* IN SHEET RECORDS BELOW ARE ACTUALLY TWO SIX-STRANDED BETA BARRELS. THIS IS REPRESENTED BY TWO SEVEN-STRANDED SHEETS IN WHICH THE FIRST AND LAST STRANDS OF EACH SHEET ARE IDENTICAL. Y 1993-12-07 REL 0Z4 6-ammonio-N-(trifluoroacetyl)-L-norleucyl-N-[4-(1-methylethyl)phenyl]-L-leucinamide CA CALCIUM ION SO4 SULFATE ION 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 TRIFLUOROACETYL-L-LYSYL-L-LEUCYL-P-ISOPROPYLANILIDE Peptide-like TFA 256 2 0Z4 0Z4 256 A CA 280 3 CA CA 280 A SO4 290 4 SO4 SO4 290 A HOH 301 5 HOH HOH 301 A HOH 302 5 HOH HOH 302 A HOH 303 5 HOH HOH 303 A HOH 304 5 HOH HOH 304 A HOH 305 5 HOH HOH 305 A HOH 306 5 HOH HOH 306 A HOH 307 5 HOH HOH 307 A HOH 308 5 HOH HOH 308 A HOH 309 5 HOH HOH 309 A HOH 311 5 HOH HOH 311 A HOH 312 5 HOH HOH 312 A HOH 313 5 HOH HOH 313 A HOH 314 5 HOH HOH 314 A HOH 315 5 HOH HOH 315 A HOH 316 5 HOH HOH 316 A HOH 317 5 HOH HOH 317 A HOH 318 5 HOH HOH 318 A HOH 319 5 HOH HOH 319 A HOH 320 5 HOH HOH 320 A HOH 321 5 HOH HOH 321 A HOH 322 5 HOH HOH 322 A HOH 323 5 HOH HOH 323 A HOH 324 5 HOH HOH 324 A HOH 326 5 HOH HOH 326 A HOH 328 5 HOH HOH 328 A HOH 402 5 HOH HOH 402 A HOH 403 5 HOH HOH 403 A HOH 404 5 HOH HOH 404 A HOH 405 5 HOH HOH 405 A HOH 407 5 HOH HOH 407 A HOH 411 5 HOH HOH 411 A HOH 412 5 HOH HOH 412 A HOH 413 5 HOH HOH 413 A HOH 414 5 HOH HOH 414 A HOH 416 5 HOH HOH 416 A HOH 418 5 HOH HOH 418 A HOH 421 5 HOH HOH 421 A HOH 423 5 HOH HOH 423 A HOH 425 5 HOH HOH 425 A HOH 430 5 HOH HOH 430 A HOH 432 5 HOH HOH 432 A HOH 438 5 HOH HOH 438 A HOH 445 5 HOH HOH 445 A HOH 450 5 HOH HOH 450 A HOH 451 5 HOH HOH 451 A HOH 455 5 HOH HOH 455 A HOH 515 5 HOH HOH 515 A HOH 518 5 HOH HOH 518 A HOH 519 5 HOH HOH 519 A HOH 522 5 HOH HOH 522 A HOH 525 5 HOH HOH 525 A HOH 531 5 HOH HOH 531 A HOH 538 5 HOH HOH 538 A HOH 540 5 HOH HOH 540 A HOH 541 5 HOH HOH 541 A HOH 542 5 HOH HOH 542 A HOH 578 5 HOH HOH 578 A HOH 579 5 HOH HOH 579 A HOH 581 5 HOH HOH 581 A HOH 582 5 HOH HOH 582 A HOH 585 5 HOH HOH 585 A HOH 586 5 HOH HOH 586 A HOH 588 5 HOH HOH 588 A HOH 589 5 HOH HOH 589 A HOH 590 5 HOH HOH 590 A HOH 591 5 HOH HOH 591 A HOH 595 5 HOH HOH 595 A HOH 597 5 HOH HOH 597 A HOH 599 5 HOH HOH 599 A HOH 600 5 HOH HOH 600 A HOH 603 5 HOH HOH 603 A HOH 604 5 HOH HOH 604 A HOH 605 5 HOH HOH 605 A HOH 607 5 HOH HOH 607 A HOH 608 5 HOH HOH 608 A HOH 610 5 HOH HOH 610 A HOH 611 5 HOH HOH 611 A HOH 617 5 HOH HOH 617 A HOH 618 5 HOH HOH 618 A HOH 624 5 HOH HOH 624 A HOH 629 5 HOH HOH 629 A HOH 630 5 HOH HOH 630 A HOH 632 5 HOH HOH 632 A HOH 634 5 HOH HOH 634 A HOH 651 5 HOH HOH 651 A HOH 654 5 HOH HOH 654 A HOH 655 5 HOH HOH 655 A HOH 656 5 HOH HOH 656 A HOH 662 5 HOH HOH 662 A HOH 664 5 HOH HOH 664 A HOH 671 5 HOH HOH 671 A HOH 672 5 HOH HOH 672 A HOH 673 5 HOH HOH 673 A HOH 674 5 HOH HOH 674 A HOH 675 5 HOH HOH 675 A HOH 676 5 HOH HOH 676 A HOH 677 5 HOH HOH 677 A HOH 678 5 HOH HOH 678 A HOH 681 5 HOH HOH 681 A HOH 682 5 HOH HOH 682 A HOH 683 5 HOH HOH 683 A HOH 684 5 HOH HOH 684 A HOH 685 5 HOH HOH 685 A HOH 686 5 HOH HOH 686 A HOH 687 5 HOH HOH 687 A HOH 688 5 HOH HOH 688 A HOH 689 5 HOH HOH 689 A HOH 690 5 HOH HOH 690 A HOH 691 5 HOH HOH 691 A HOH 692 5 HOH HOH 692 A HOH 693 5 HOH HOH 693 A HOH 694 5 HOH HOH 694 A HOH 695 5 HOH HOH 695 A HOH 696 5 HOH HOH 696 A HOH 697 5 HOH HOH 697 A HOH 698 5 HOH HOH 698 A HOH 699 5 HOH HOH 699 A HOH 700 5 HOH HOH 700 A HOH 701 5 HOH HOH 701 A HOH 702 5 HOH HOH 702 A HOH 703 5 HOH HOH 703 A HOH 704 5 HOH HOH 704 A HOH 705 5 HOH HOH 705 A HOH 706 5 HOH HOH 706 A HOH 707 5 HOH HOH 707 A HOH 708 5 HOH HOH 708 A VAL 16 n 1 VAL 16 A VAL 17 n 2 VAL 17 A GLY 18 n 3 GLY 18 A GLY 19 n 4 GLY 19 A THR 20 n 5 THR 20 A GLU 21 n 6 GLU 21 A ALA 22 n 7 ALA 22 A GLN 23 n 8 GLN 23 A ARG 24 n 9 ARG 24 A ASN 25 n 10 ASN 25 A SER 26 n 11 SER 26 A TRP 27 n 12 TRP 27 A PRO 28 n 13 PRO 28 A SER 29 n 14 SER 29 A GLN 30 n 15 GLN 30 A ILE 31 n 16 ILE 31 A SER 32 n 17 SER 32 A LEU 33 n 18 LEU 33 A GLN 34 n 19 GLN 34 A TYR 35 n 20 TYR 35 A ARG 36 n 21 ARG 36 A SER 37 n 22 SER 37 A GLY 38 n 23 GLY 38 A SER 39 n 24 SER 39 A SER 40 n 25 SER 40 A TRP 41 n 26 TRP 41 A ALA 42 n 27 ALA 42 A HIS 43 n 28 HIS 43 A THR 44 n 29 THR 44 A CYS 45 n 30 CYS 45 A GLY 46 n 31 GLY 46 A GLY 47 n 32 GLY 47 A THR 48 n 33 THR 48 A LEU 49 n 34 LEU 49 A ILE 50 n 35 ILE 50 A ARG 51 n 36 ARG 51 A GLN 52 n 37 GLN 52 A ASN 53 n 38 ASN 53 A TRP 54 n 39 TRP 54 A VAL 55 n 40 VAL 55 A MET 56 n 41 MET 56 A THR 57 n 42 THR 57 A ALA 58 n 43 ALA 58 A ALA 59 n 44 ALA 59 A HIS 60 n 45 HIS 60 A CYS 61 n 46 CYS 61 A VAL 62 n 47 VAL 62 A ASP 63 n 48 ASP 63 A ARG 64 n 49 ARG 64 A GLU 65 n 50 GLU 65 A LEU 66 n 51 LEU 66 A THR 67 n 52 THR 67 A PHE 68 n 53 PHE 68 A ARG 69 n 54 ARG 69 A VAL 70 n 55 VAL 70 A VAL 71 n 56 VAL 71 A VAL 72 n 57 VAL 72 A GLY 73 n 58 GLY 73 A GLU 74 n 59 GLU 74 A HIS 75 n 60 HIS 75 A ASN 76 n 61 ASN 76 A LEU 77 n 62 LEU 77 A ASN 78 n 63 ASN 78 A GLN 79 n 64 GLN 79 A ASN 80 n 65 ASN 80 A ASN 81 n 66 ASN 81 A GLY 82 n 67 GLY 82 A THR 83 n 68 THR 83 A GLU 84 n 69 GLU 84 A GLN 85 n 70 GLN 85 A TYR 86 n 71 TYR 86 A VAL 87 n 72 VAL 87 A GLY 88 n 73 GLY 88 A VAL 89 n 74 VAL 89 A GLN 90 n 75 GLN 90 A LYS 91 n 76 LYS 91 A ILE 92 n 77 ILE 92 A VAL 93 n 78 VAL 93 A VAL 94 n 79 VAL 94 A HIS 95 n 80 HIS 95 A PRO 96 n 81 PRO 96 A TYR 97 n 82 TYR 97 A TRP 98 n 83 TRP 98 A ASN 99 n 84 ASN 99 A THR 100 n 85 THR 100 A ASP 101 n 86 ASP 101 A ASP 102 n 87 ASP 102 A VAL 103 n 88 VAL 103 A ALA 104 n 89 ALA 104 A ALA 105 n 90 ALA 105 A GLY 106 n 91 GLY 106 A TYR 107 n 92 TYR 107 A ASP 108 n 93 ASP 108 A ILE 109 n 94 ILE 109 A ALA 110 n 95 ALA 110 A LEU 111 n 96 LEU 111 A LEU 112 n 97 LEU 112 A ARG 113 n 98 ARG 113 A LEU 114 n 99 LEU 114 A ALA 115 n 100 ALA 115 A GLN 116 n 101 GLN 116 A SER 117 n 102 SER 117 A VAL 118 n 103 VAL 118 A THR 119 n 104 THR 119 A LEU 120 n 105 LEU 120 A ASN 121 n 106 ASN 121 A SER 122 n 107 SER 122 A TYR 123 n 108 TYR 123 A VAL 124 n 109 VAL 124 A GLN 125 n 110 GLN 125 A LEU 126 n 111 LEU 126 A GLY 127 n 112 GLY 127 A VAL 128 n 113 VAL 128 A LEU 129 n 114 LEU 129 A PRO 130 n 115 PRO 130 A ARG 131 n 116 ARG 131 A ALA 132 n 117 ALA 132 A GLY 133 n 118 GLY 133 A THR 134 n 119 THR 134 A ILE 135 n 120 ILE 135 A LEU 136 n 121 LEU 136 A ALA 137 n 122 ALA 137 A ASN 138 n 123 ASN 138 A ASN 139 n 124 ASN 139 A SER 140 n 125 SER 140 A PRO 141 n 126 PRO 141 A CYS 142 n 127 CYS 142 A TYR 143 n 128 TYR 143 A ILE 144 n 129 ILE 144 A THR 145 n 130 THR 145 A GLY 146 n 131 GLY 146 A TRP 147 n 132 TRP 147 A GLY 148 n 133 GLY 148 A LEU 149 n 134 LEU 149 A THR 150 n 135 THR 150 A ARG 151 n 136 ARG 151 A THR 152 n 137 THR 152 A ASN 153 n 138 ASN 153 A GLY 154 n 139 GLY 154 A GLN 155 n 140 GLN 155 A LEU 156 n 141 LEU 156 A ALA 157 n 142 ALA 157 A GLN 158 n 143 GLN 158 A THR 159 n 144 THR 159 A LEU 160 n 145 LEU 160 A GLN 161 n 146 GLN 161 A GLN 162 n 147 GLN 162 A ALA 163 n 148 ALA 163 A TYR 164 n 149 TYR 164 A LEU 165 n 150 LEU 165 A PRO 166 n 151 PRO 166 A THR 167 n 152 THR 167 A VAL 168 n 153 VAL 168 A ASP 169 n 154 ASP 169 A TYR 170 n 155 TYR 170 A ALA 171 n 156 ALA 171 A ILE 172 n 157 ILE 172 A CYS 173 n 158 CYS 173 A SER 174 n 159 SER 174 A SER 175 n 160 SER 175 A SER 176 n 161 SER 176 A SER 177 n 162 SER 177 A TYR 178 n 163 TYR 178 A TRP 179 n 164 TRP 179 A GLY 180 n 165 GLY 180 A SER 181 n 166 SER 181 A THR 182 n 167 THR 182 A VAL 183 n 168 VAL 183 A LYS 184 n 169 LYS 184 A ASN 185 n 170 ASN 185 A SER 186 n 171 SER 186 A MET 187 n 172 MET 187 A VAL 188 n 173 VAL 188 A CYS 189 n 174 CYS 189 A ALA 190 n 175 ALA 190 A GLY 191 n 176 GLY 191 A GLY 192 n 177 GLY 192 A ASP 193 n 178 ASP 193 A GLY 194 n 179 GLY 194 A VAL 195 n 180 VAL 195 A ARG 196 n 181 ARG 196 A SER 197 n 182 SER 197 A GLY 198 n 183 GLY 198 A CYS 199 n 184 CYS 199 A GLN 200 n 185 GLN 200 A GLY 201 n 186 GLY 201 A ASP 202 n 187 ASP 202 A SER 203 n 188 SER 203 A GLY 204 n 189 GLY 204 A GLY 205 n 190 GLY 205 A PRO 206 n 191 PRO 206 A LEU 207 n 192 LEU 207 A HIS 208 n 193 HIS 208 A CYS 209 n 194 CYS 209 A LEU 210 n 195 LEU 210 A VAL 211 n 196 VAL 211 A ASN 212 n 197 ASN 212 A GLY 213 n 198 GLY 213 A GLN 214 n 199 GLN 214 A TYR 215 n 200 TYR 215 A ALA 216 n 201 ALA 216 A VAL 217 n 202 VAL 217 A HIS 218 n 203 HIS 218 A GLY 219 n 204 GLY 219 A VAL 220 n 205 VAL 220 A THR 221 n 206 THR 221 A SER 222 n 207 SER 222 A PHE 223 n 208 PHE 223 A VAL 224 n 209 VAL 224 A SER 225 n 210 SER 225 A ARG 226 n 211 ARG 226 A LEU 227 n 212 LEU 227 A GLY 228 n 213 GLY 228 A CYS 229 n 214 CYS 229 A ASN 230 n 215 ASN 230 A VAL 231 n 216 VAL 231 A THR 232 n 217 THR 232 A ARG 233 n 218 ARG 233 A LYS 234 n 219 LYS 234 A PRO 235 n 220 PRO 235 A THR 236 n 221 THR 236 A VAL 237 n 222 VAL 237 A PHE 238 n 223 PHE 238 A THR 239 n 224 THR 239 A ARG 240 n 225 ARG 240 A VAL 241 n 226 VAL 241 A SER 242 n 227 SER 242 A ALA 243 n 228 ALA 243 A TYR 244 n 229 TYR 244 A ILE 245 n 230 ILE 245 A SER 246 n 231 SER 246 A TRP 247 n 232 TRP 247 A ILE 248 n 233 ILE 248 A ASN 249 n 234 ASN 249 A ASN 250 n 235 ASN 250 A VAL 251 n 236 VAL 251 A ILE 252 n 237 ILE 252 A ALA 253 n 238 ALA 253 A SER 254 n 239 SER 254 A ASN 255 n 240 ASN 255 A author_defined_assembly 1 monomeric A ASN 76 A O ASN 61 1_555 A CA 280 C CA CA 1_555 A GLU 84 A OE2 GLU 69 1_555 148.3 A ASN 76 A O ASN 61 1_555 A CA 280 C CA CA 1_555 A HOH 673 E O HOH 1_555 104.4 A GLU 84 A OE2 GLU 69 1_555 A CA 280 C CA CA 1_555 A HOH 673 E O HOH 1_555 102.2 A ASN 76 A O ASN 61 1_555 A CA 280 C CA CA 1_555 A GLU 74 A OE1 GLU 59 1_555 79.6 A GLU 84 A OE2 GLU 69 1_555 A CA 280 C CA CA 1_555 A GLU 74 A OE1 GLU 59 1_555 85.1 A HOH 673 E O HOH 1_555 A CA 280 C CA CA 1_555 A GLU 74 A OE1 GLU 59 1_555 86.7 A ASN 76 A O ASN 61 1_555 A CA 280 C CA CA 1_555 A GLN 79 A O GLN 64 1_555 87.6 A GLU 84 A OE2 GLU 69 1_555 A CA 280 C CA CA 1_555 A GLN 79 A O GLN 64 1_555 97.0 A HOH 673 E O HOH 1_555 A CA 280 C CA CA 1_555 A GLN 79 A O GLN 64 1_555 114.0 A GLU 74 A OE1 GLU 59 1_555 A CA 280 C CA CA 1_555 A GLN 79 A O GLN 64 1_555 158.0 A ASN 76 A O ASN 61 1_555 A CA 280 C CA CA 1_555 A ASN 81 A OD1 ASN 66 1_555 78.5 A GLU 84 A OE2 GLU 69 1_555 A CA 280 C CA CA 1_555 A ASN 81 A OD1 ASN 66 1_555 71.2 A HOH 673 E O HOH 1_555 A CA 280 C CA CA 1_555 A ASN 81 A OD1 ASN 66 1_555 163.5 A GLU 74 A OE1 GLU 59 1_555 A CA 280 C CA CA 1_555 A ASN 81 A OD1 ASN 66 1_555 77.8 A GLN 79 A O GLN 64 1_555 A CA 280 C CA CA 1_555 A ASN 81 A OD1 ASN 66 1_555 82.2 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 3.31 0.50 120.30 123.61 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 1 -3.62 0.50 120.30 116.68 A A A NE CZ NH2 ARG ARG ARG 24 24 24 N 1 7.12 0.80 106.30 113.42 A A A CD1 CG CD2 TRP TRP TRP 27 27 27 N 1 -6.01 1.00 110.10 104.09 A A A CG CD1 NE1 TRP TRP TRP 27 27 27 N 1 -6.13 0.80 107.30 101.17 A A A CE2 CD2 CG TRP TRP TRP 27 27 27 N 1 6.47 0.80 106.30 112.77 A A A CD1 CG CD2 TRP TRP TRP 41 41 41 N 1 -5.35 0.80 107.30 101.95 A A A CE2 CD2 CG TRP TRP TRP 41 41 41 N 1 5.34 0.80 106.30 111.64 A A A CD1 CG CD2 TRP TRP TRP 54 54 54 N 1 -5.25 0.80 107.30 102.05 A A A CE2 CD2 CG TRP TRP TRP 54 54 54 N 1 3.61 0.50 120.30 123.91 A A A NE CZ NH1 ARG ARG ARG 64 64 64 N 1 5.45 0.80 106.30 111.75 A A A CD1 CG CD2 TRP TRP TRP 98 98 98 N 1 -6.23 0.80 107.30 101.07 A A A CE2 CD2 CG TRP TRP TRP 98 98 98 N 1 5.49 0.90 133.90 139.39 A A A CG CD2 CE3 TRP TRP TRP 98 98 98 N 1 6.67 1.10 114.20 120.87 A A A CA CB SG CYS CYS CYS 142 142 142 N 1 6.76 0.80 106.30 113.06 A A A CD1 CG CD2 TRP TRP TRP 147 147 147 N 1 -5.92 0.80 107.30 101.38 A A A CE2 CD2 CG TRP TRP TRP 147 147 147 N 1 5.70 0.80 106.30 112.00 A A A CD1 CG CD2 TRP TRP TRP 179 179 179 N 1 -5.52 0.80 107.30 101.78 A A A CE2 CD2 CG TRP TRP TRP 179 179 179 N 1 -3.61 0.50 120.30 116.69 A A A NE CZ NH2 ARG ARG ARG 226 226 226 N 1 4.17 0.50 120.30 124.47 A A A NE CZ NH1 ARG ARG ARG 240 240 240 N 1 -6.58 0.50 120.30 113.72 A A A NE CZ NH2 ARG ARG ARG 240 240 240 N 1 6.64 0.80 106.30 112.94 A A A CD1 CG CD2 TRP TRP TRP 247 247 247 N 1 -5.97 0.80 107.30 101.33 A A A CE2 CD2 CG TRP TRP TRP 247 247 247 N 1 6.26 0.90 133.90 140.16 A A A CG CD2 CE3 TRP TRP TRP 247 247 247 N 1 A A NE2 CD2 HIS HIS 60 60 -0.070 0.011 1.373 1.303 N 1 A A NE2 CD2 HIS HIS 75 75 -0.075 0.011 1.373 1.298 N 1 A A NE2 CD2 HIS HIS 95 95 -0.074 0.011 1.373 1.299 N 1 A A NE2 CD2 HIS HIS 208 208 -0.079 0.011 1.373 1.294 N 1 A A CE2 OE1 TYR GLN 97 214 1.35 1_555 3_746 1 A A CZ OE1 TYR GLN 97 214 1.44 1_555 3_746 1 A A N O PRO HOH 96 412 1.58 1_555 3_746 1 A A CD CB PRO ASN 96 212 1.69 1_555 3_746 1 A A NE2 O GLN HOH 155 630 1.77 1_555 2_664 1 A A CE1 NE2 TYR GLN 97 214 1.83 1_555 3_746 1 A A CA CD1 GLY TRP 213 247 1.83 1_555 3_756 1 A A CA O PRO HOH 96 412 1.87 1_555 3_746 1 A A CG CB PRO ASN 96 212 1.90 1_555 3_746 1 A A C O HIS HOH 95 412 1.92 1_555 3_746 1 A A CD2 OE1 TYR GLN 97 214 2.03 1_555 3_746 1 A A CZ CD TYR GLN 97 214 2.11 1_555 3_746 1 A A CE1 OE1 TYR GLN 97 214 2.13 1_555 3_746 1 A A OH CG1 TYR VAL 97 128 2.14 1_555 3_746 1 A HIS 75 -123.39 -51.76 1 A TYR 178 -101.53 -114.09 1 A SER 222 -126.97 -53.81 0.15 0.15 2.1 10. 1 0.0 2.1 10. 126 1987 39 0 1822 model building X-PLOR refinement X-PLOR phasing X-PLOR ELASTASE (E.C.3.4.21.36) COMPLEXED WITH TRIFLUOROACETYL-L-LYSYL-L-LEUCYL-P-ISOPROPYLANILIDE Analogous inhibitors of elastase do not always bind analogously 1 N N 2 N N 3 N N 4 N N 5 N N A ASP 169 A ASP 154 HELX_P A SER 175 A SER 160 1 H1 7 A TYR 244 A TYR 229 HELX_P A ASN 255 A ASN 240 1 H2 12 disulf 2.026 A CYS 45 A SG CYS 30 1_555 A CYS 61 A SG CYS 46 1_555 disulf 2.004 A CYS 142 A SG CYS 127 1_555 A CYS 209 A SG CYS 194 1_555 disulf 2.003 A CYS 173 A SG CYS 158 1_555 A CYS 189 A SG CYS 174 1_555 disulf 2.022 A CYS 199 A SG CYS 184 1_555 A CYS 229 A SG CYS 214 1_555 covale 1.437 A ARG 151 A NH2 ARG 136 2_665 A SO4 290 D O1 SO4 1_555 metalc 2.432 A CA 280 C CA CA 1_555 A ASN 76 A O ASN 61 1_555 metalc 2.590 A CA 280 C CA CA 1_555 A GLU 84 A OE2 GLU 69 1_555 metalc 2.647 A CA 280 C CA CA 1_555 A HOH 673 E O HOH 1_555 metalc 2.796 A CA 280 C CA CA 1_555 A GLU 74 A OE1 GLU 59 1_555 metalc 2.454 A CA 280 C CA CA 1_555 A GLN 79 A O GLN 64 1_555 metalc 3.033 A CA 280 C CA CA 1_555 A 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 1ELB 16 255 P00772 A 1 1 240 1 ASP CONFLICT ASN 81 1ELB A 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 A SER 29 A SER 14 A SER 37 A SER 22 A SER 40 A SER 25 A ILE 50 A ILE 35 A ASN 53 A ASN 38 A ALA 59 A ALA 44 A ASP 108 A ASP 93 A GLN 116 A GLN 101 A GLU 84 A GLU 69 A HIS 95 A HIS 80 A PHE 68 A PHE 53 A GLY 73 A GLY 58 A SER 29 A SER 14 A SER 37 A SER 22 A ASN 139 A ASN 124 A THR 150 A THR 135 A GLY 154 A GLY 139 A VAL 168 A VAL 153 A SER 186 A SER 171 A VAL 195 A VAL 180 A ASN 230 A ASN 215 A VAL 241 A VAL 226 A HIS 218 A HIS 203 A VAL 224 A VAL 209 A SER 203 A SER 188 A CYS 209 A CYS 194 A SER 140 A SER 125 A THR 150 A THR 135 A GLY 154 A GLY 139 A ALA 157 A ALA 142 A TRP 147 A TRP 132 A LEU 149 A LEU 134 A GLN 200 A GLN 185 A ASP 202 A ASP 187 BINDING SITE FOR RESIDUE 0Z4 A 256 Software 15 BINDING SITE FOR RESIDUE CA A 280 Software 6 BINDING SITE FOR RESIDUE SO4 A 290 Software 7 CATALYTIC TRIAD Author 3 A HIS 60 A HIS 45 15 1_555 A GLY 198 A GLY 183 15 1_555 A CYS 199 A CYS 184 15 1_555 A GLN 200 A GLN 185 15 1_555 A GLY 201 A GLY 186 15 1_555 A SER 203 A SER 188 15 1_555 A SER 222 A SER 207 15 1_555 A PHE 223 A PHE 208 15 1_555 A VAL 224 A VAL 209 15 1_555 A ARG 226 A ARG 211 15 1_555 A HOH 540 E HOH 15 1_555 A HOH 542 E HOH 15 1_555 A HOH 618 E HOH 15 1_555 A HOH 675 E HOH 15 1_555 A HOH 676 E HOH 15 1_555 A GLU 74 A GLU 59 6 1_555 A ASN 76 A ASN 61 6 1_555 A GLN 79 A GLN 64 6 1_555 A ASN 81 A ASN 66 6 1_555 A GLU 84 A GLU 69 6 1_555 A HOH 673 E HOH 6 1_555 A GLY 133 A GLY 118 7 1_555 A ARG 151 A ARG 136 7 2_665 A ARG 240 A ARG 225 7 1_555 A SER 242 A SER 227 7 1_555 A ALA 243 A ALA 228 7 1_555 A HOH 432 E HOH 7 1_555 A HOH 695 E HOH 7 1_555 A ASP 108 A ASP 93 3 1_555 A HIS 60 A HIS 45 3 1_555 A SER 203 A SER 188 3 1_555 19 P 21 21 21