0.009017 0.000000 0.000000 0.000000 0.008562 0.000000 0.000000 0.000000 0.015552 0.00000 0.00000 0.00000 PRO I 37 IS A CIS PROLINE. Mitsui, Y. Takeuchi, Y. Nonaka, T. Nakamura, K.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 110.900 116.800 64.300 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 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 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 N N 159 S C N 160 N C N 161 N O N 162 S C N 163 N C N 164 N C N 165 N C N 166 N O N 167 N H N 168 N H N 169 N H 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 N N 181 S C N 182 N C N 183 N O N 184 N C N 185 N C N 186 N C N 187 N C N 188 N O N 189 N H N 190 N H N 191 N H 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 N N 203 S C N 204 N C N 205 N O N 206 N C N 207 N C N 208 N C N 209 N C N 210 N N N 211 N O N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N 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 N N 228 S C N 229 N C N 230 N O N 231 N C N 232 N C N 233 N S N 234 N C N 235 N O N 236 N H N 237 N H N 238 N H 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 N N 248 S C N 249 N C N 250 N O N 251 N C Y 252 N C Y 253 N C Y 254 N C Y 255 N C Y 256 N C Y 257 N C N 258 N O N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N N N 271 S C N 272 N C N 273 N O N 274 N C N 275 N C N 276 N C N 277 N O N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N N N 288 S C N 289 N C N 290 N O N 291 N C N 292 N O N 293 N O N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N N N 302 S C N 303 N C N 304 N O N 305 R C N 306 N O N 307 N C N 308 N O N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N N N 319 S C N 320 N C N 321 N O N 322 N C Y 323 N C Y 324 N C Y 325 N C Y 326 N N Y 327 N C Y 328 N C Y 329 N C Y 330 N C Y 331 N C N 332 N O N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N N N 346 S C N 347 N C N 348 N O N 349 N C Y 350 N C Y 351 N C Y 352 N C Y 353 N C Y 354 N C Y 355 N C N 356 N O N 357 N O N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N N N 370 S C N 371 N C N 372 N O N 373 N C N 374 N C N 375 N C N 376 N O N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 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 doub N 157 N sing N 158 N sing 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 doub N 178 N sing N 179 N sing 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 doub N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N 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 doub N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N doub N 242 N sing N 243 N sing N 244 N sing N 245 N sing Y 246 N doub Y 247 N sing Y 248 N sing N 249 N sing Y 250 N doub N 251 N sing Y 252 N doub N 253 N sing Y 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N doub N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N doub N 282 N sing N 283 N sing N 284 N sing N 285 N sing 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 doub N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N doub N 311 N sing N 312 N sing N 313 N sing N 314 N sing Y 315 N doub Y 316 N sing Y 317 N sing N 318 N sing Y 319 N doub Y 320 N sing Y 321 N sing N 322 N sing Y 323 N sing Y 324 N doub N 325 N sing Y 326 N doub N 327 N sing Y 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N doub N 339 N sing N 340 N sing N 341 N sing N 342 N sing Y 343 N doub Y 344 N sing Y 345 N sing N 346 N sing Y 347 N doub N 348 N sing Y 349 N doub N 350 N sing Y 351 N sing N 352 N sing N 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 doub N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 89 4407 4411 10.1073/pnas.89.10.4407 1584773 Crystal structure of an engineered subtilisin inhibitor complexed with bovine trypsin. 1992 UK J.Mol.Biol. JMOBAK 0070 0022-2836 221 309 Refined Crystal Structure of the Complex of Subtilisin Bpn' and Streptomyces Subtilisin Inhibitor at 1.8 Angstroms Resolution 1991 10.2210/pdb2tld/pdb pdb_00002tld 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 22903.805 TRYPSIN 3.4.21.4 1 man polymer 11135.486 STREPTOMYCES SUBTILISIN INHIBITOR (SSI) 1 man polymer no no IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM FCAGLEGGDSCQGDSGGPVVCSGKLQGIVSWGSGCAKNKPGVYTKVCNYVSWIKQTIASN IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM FCAGLEGGDSCQGDSGGPVVCSGKLQGIVSWGSGCAKNKPGVYTKVCNYVSWIKQTIASN E polypeptide(L) no no SALYAPSALVLTVGKGVSATTAAPERAVTLTCAPGPSGTHPAAGSACADLAAVGGDLNALTRGEDVGCPKVYDPVLLTVD GVWQGKRVSYERVFSNECEMNAHGSSVFAF SALYAPSALVLTVGKGVSATTAAPERAVTLTCAPGPSGTHPAAGSACADLAAVGGDLNALTRGEDVGCPKVYDPVLLTVD GVWQGKRVSYERVFSNECEMNAHGSSVFAF 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 cattle Bos sample 9913 Bos taurus 3.06 59.77 chem_comp_atom chem_comp_bond database_2 pdbx_database_status struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Other 1 0 1992-07-15 1 1 2008-03-03 1 2 2011-07-13 1 3 2024-02-21 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _struct_ref_seq_dif.details CA ATOMS ONLY CA ATOMS ONLY COMPLEX OF SUBTILISIN BPN WITH WILD STRETOMYCES SUBTILISIN INHIBITOR Y BNL 1991-09-16 REL ILE 16 n 1 ILE 16 E VAL 17 n 2 VAL 17 E GLY 18 n 3 GLY 18 E GLY 19 n 4 GLY 19 E TYR 20 n 5 TYR 20 E THR 21 n 6 THR 21 E CYS 22 n 7 CYS 22 E GLY 23 n 8 GLY 23 E ALA 24 n 9 ALA 24 E ASN 25 n 10 ASN 25 E THR 26 n 11 THR 26 E VAL 27 n 12 VAL 27 E PRO 28 n 13 PRO 28 E TYR 29 n 14 TYR 29 E GLN 30 n 15 GLN 30 E VAL 31 n 16 VAL 31 E SER 32 n 17 SER 32 E LEU 33 n 18 LEU 33 E ASN 34 n 19 ASN 34 E SER 37 n 20 SER 37 E GLY 38 n 21 GLY 38 E TYR 39 n 22 TYR 39 E HIS 40 n 23 HIS 40 E PHE 41 n 24 PHE 41 E CYS 42 n 25 CYS 42 E GLY 43 n 26 GLY 43 E GLY 44 n 27 GLY 44 E SER 45 n 28 SER 45 E LEU 46 n 29 LEU 46 E ILE 47 n 30 ILE 47 E ASN 48 n 31 ASN 48 E SER 49 n 32 SER 49 E GLN 50 n 33 GLN 50 E TRP 51 n 34 TRP 51 E VAL 52 n 35 VAL 52 E VAL 53 n 36 VAL 53 E SER 54 n 37 SER 54 E ALA 55 n 38 ALA 55 E ALA 56 n 39 ALA 56 E HIS 57 n 40 HIS 57 E CYS 58 n 41 CYS 58 E TYR 59 n 42 TYR 59 E LYS 60 n 43 LYS 60 E SER 61 n 44 SER 61 E GLY 62 n 45 GLY 62 E ILE 63 n 46 ILE 63 E GLN 64 n 47 GLN 64 E VAL 65 n 48 VAL 65 E ARG 66 n 49 ARG 66 E LEU 67 n 50 LEU 67 E GLY 69 n 51 GLY 69 E GLU 70 n 52 GLU 70 E ASP 71 n 53 ASP 71 E ASN 72 n 54 ASN 72 E ILE 73 n 55 ILE 73 E ASN 74 n 56 ASN 74 E VAL 75 n 57 VAL 75 E VAL 76 n 58 VAL 76 E GLU 77 n 59 GLU 77 E GLY 78 n 60 GLY 78 E ASN 79 n 61 ASN 79 E GLU 80 n 62 GLU 80 E GLN 81 n 63 GLN 81 E PHE 82 n 64 PHE 82 E ILE 83 n 65 ILE 83 E SER 84 n 66 SER 84 E ALA 85 n 67 ALA 85 E SER 86 n 68 SER 86 E LYS 87 n 69 LYS 87 E SER 88 n 70 SER 88 E ILE 89 n 71 ILE 89 E VAL 90 n 72 VAL 90 E HIS 91 n 73 HIS 91 E PRO 92 n 74 PRO 92 E SER 93 n 75 SER 93 E TYR 94 n 76 TYR 94 E ASN 95 n 77 ASN 95 E SER 96 n 78 SER 96 E ASN 97 n 79 ASN 97 E THR 98 n 80 THR 98 E LEU 99 n 81 LEU 99 E ASN 100 n 82 ASN 100 E ASN 101 n 83 ASN 101 E ASP 102 n 84 ASP 102 E ILE 103 n 85 ILE 103 E MET 104 n 86 MET 104 E LEU 105 n 87 LEU 105 E ILE 106 n 88 ILE 106 E LYS 107 n 89 LYS 107 E LEU 108 n 90 LEU 108 E LYS 109 n 91 LYS 109 E SER 110 n 92 SER 110 E ALA 111 n 93 ALA 111 E ALA 112 n 94 ALA 112 E SER 113 n 95 SER 113 E LEU 114 n 96 LEU 114 E ASN 115 n 97 ASN 115 E SER 116 n 98 SER 116 E ARG 117 n 99 ARG 117 E VAL 118 n 100 VAL 118 E ALA 119 n 101 ALA 119 E SER 120 n 102 SER 120 E ILE 121 n 103 ILE 121 E SER 122 n 104 SER 122 E LEU 123 n 105 LEU 123 E PRO 124 n 106 PRO 124 E THR 125 n 107 THR 125 E SER 127 n 108 SER 127 E CYS 128 n 109 CYS 128 E ALA 129 n 110 ALA 129 E SER 130 n 111 SER 130 E ALA 132 n 112 ALA 132 E GLY 133 n 113 GLY 133 E THR 134 n 114 THR 134 E GLN 135 n 115 GLN 135 E CYS 136 n 116 CYS 136 E LEU 137 n 117 LEU 137 E ILE 138 n 118 ILE 138 E SER 139 n 119 SER 139 E GLY 140 n 120 GLY 140 E TRP 141 n 121 TRP 141 E GLY 142 n 122 GLY 142 E ASN 143 n 123 ASN 143 E THR 144 n 124 THR 144 E LYS 145 n 125 LYS 145 E SER 146 n 126 SER 146 E SER 147 n 127 SER 147 E GLY 148 n 128 GLY 148 E THR 149 n 129 THR 149 E SER 150 n 130 SER 150 E TYR 151 n 131 TYR 151 E PRO 152 n 132 PRO 152 E ASP 153 n 133 ASP 153 E VAL 154 n 134 VAL 154 E LEU 155 n 135 LEU 155 E LYS 156 n 136 LYS 156 E CYS 157 n 137 CYS 157 E LEU 158 n 138 LEU 158 E LYS 159 n 139 LYS 159 E ALA 160 n 140 ALA 160 E PRO 161 n 141 PRO 161 E ILE 162 n 142 ILE 162 E LEU 163 n 143 LEU 163 E SER 164 n 144 SER 164 E ASP 165 n 145 ASP 165 E SER 166 n 146 SER 166 E SER 167 n 147 SER 167 E CYS 168 n 148 CYS 168 E LYS 169 n 149 LYS 169 E SER 170 n 150 SER 170 E ALA 171 n 151 ALA 171 E TYR 172 n 152 TYR 172 E PRO 173 n 153 PRO 173 E GLY 174 n 154 GLY 174 E GLN 175 n 155 GLN 175 E ILE 176 n 156 ILE 176 E THR 177 n 157 THR 177 E SER 178 n 158 SER 178 E ASN 179 n 159 ASN 179 E MET 180 n 160 MET 180 E PHE 181 n 161 PHE 181 E CYS 182 n 162 CYS 182 E ALA 183 n 163 ALA 183 E GLY 184 n 164 GLY 184 E LEU 185 n 165 LEU 185 E GLU 186 n 166 GLU 186 E GLY 187 n 167 GLY 187 E GLY 188 n 168 GLY 188 E ASP 189 n 169 ASP 189 E SER 190 n 170 SER 190 E CYS 191 n 171 CYS 191 E GLN 192 n 172 GLN 192 E GLY 193 n 173 GLY 193 E ASP 194 n 174 ASP 194 E SER 195 n 175 SER 195 E GLY 196 n 176 GLY 196 E GLY 197 n 177 GLY 197 E PRO 198 n 178 PRO 198 E VAL 199 n 179 VAL 199 E VAL 200 n 180 VAL 200 E CYS 201 n 181 CYS 201 E SER 202 n 182 SER 202 E GLY 203 n 183 GLY 203 E LYS 204 n 184 LYS 204 E LEU 209 n 185 LEU 209 E GLN 210 n 186 GLN 210 E GLY 211 n 187 GLY 211 E ILE 212 n 188 ILE 212 E VAL 213 n 189 VAL 213 E SER 214 n 190 SER 214 E TRP 215 n 191 TRP 215 E GLY 216 n 192 GLY 216 E SER 217 n 193 SER 217 E GLY 219 n 194 GLY 219 E CYS 220 n 195 CYS 220 E ALA 221 n 196 ALA 221 E LYS 222 n 197 LYS 222 E ASN 223 n 198 ASN 223 E LYS 224 n 199 LYS 224 E PRO 225 n 200 PRO 225 E GLY 226 n 201 GLY 226 E VAL 227 n 202 VAL 227 E TYR 228 n 203 TYR 228 E THR 229 n 204 THR 229 E LYS 230 n 205 LYS 230 E VAL 231 n 206 VAL 231 E CYS 232 n 207 CYS 232 E ASN 233 n 208 ASN 233 E TYR 234 n 209 TYR 234 E VAL 235 n 210 VAL 235 E SER 236 n 211 SER 236 E TRP 237 n 212 TRP 237 E ILE 238 n 213 ILE 238 E LYS 239 n 214 LYS 239 E GLN 240 n 215 GLN 240 E THR 241 n 216 THR 241 E ILE 242 n 217 ILE 242 E ALA 243 n 218 ALA 243 E SER 244 n 219 SER 244 E ASN 245 n 220 ASN 245 E SER 4 n 1 SER 4 I ALA 5 n 2 ALA 5 I LEU 6 n 3 LEU 6 I TYR 7 n 4 TYR 7 I ALA 8 n 5 ALA 8 I PRO 9 n 6 PRO 9 I SER 10 n 7 SER 10 I ALA 11 n 8 ALA 11 I LEU 12 n 9 LEU 12 I VAL 13 n 10 VAL 13 I LEU 14 n 11 LEU 14 I THR 15 n 12 THR 15 I VAL 16 n 13 VAL 16 I GLY 17 n 14 GLY 17 I LYS 18 n 15 LYS 18 I GLY 19 n 16 GLY 19 I VAL 20 n 17 VAL 20 I SER 21 n 18 SER 21 I ALA 22 n 19 ALA 22 I THR 23 n 20 THR 23 I THR 24 n 21 THR 24 I ALA 25 n 22 ALA 25 I ALA 26 n 23 ALA 26 I PRO 27 n 24 PRO 27 I GLU 28 n 25 GLU 28 I ARG 29 n 26 ARG 29 I ALA 30 n 27 ALA 30 I VAL 31 n 28 VAL 31 I THR 32 n 29 THR 32 I LEU 33 n 30 LEU 33 I THR 34 n 31 THR 34 I CYS 35 n 32 CYS 35 I ALA 36 n 33 ALA 36 I PRO 37 n 34 PRO 37 I GLY 38 n 35 GLY 38 I PRO 39 n 36 PRO 39 I SER 40 n 37 SER 40 I GLY 41 n 38 GLY 41 I THR 42 n 39 THR 42 I HIS 43 n 40 HIS 43 I PRO 44 n 41 PRO 44 I ALA 45 n 42 ALA 45 I ALA 46 n 43 ALA 46 I GLY 47 n 44 GLY 47 I SER 48 n 45 SER 48 I ALA 49 n 46 ALA 49 I CYS 50 n 47 CYS 50 I ALA 51 n 48 ALA 51 I ASP 52 n 49 ASP 52 I LEU 53 n 50 LEU 53 I ALA 54 n 51 ALA 54 I ALA 55 n 52 ALA 55 I VAL 56 n 53 VAL 56 I GLY 57 n 54 GLY 57 I GLY 58 n 55 GLY 58 I ASP 59 n 56 ASP 59 I LEU 60 n 57 LEU 60 I ASN 61 n 58 ASN 61 I ALA 62 n 59 ALA 62 I LEU 63 n 60 LEU 63 I THR 64 n 61 THR 64 I ARG 65 n 62 ARG 65 I GLY 66 n 63 GLY 66 I GLU 67 n 64 GLU 67 I ASP 68 n 65 ASP 68 I VAL 69 n 66 VAL 69 I GLY 70 n 67 GLY 70 I CYS 71 n 68 CYS 71 I PRO 72 n 69 PRO 72 I LYS 73 n 70 LYS 73 I VAL 74 n 71 VAL 74 I TYR 75 n 72 TYR 75 I ASP 76 n 73 ASP 76 I PRO 77 n 74 PRO 77 I VAL 78 n 75 VAL 78 I LEU 79 n 76 LEU 79 I LEU 80 n 77 LEU 80 I THR 81 n 78 THR 81 I VAL 82 n 79 VAL 82 I ASP 83 n 80 ASP 83 I GLY 84 n 81 GLY 84 I VAL 85 n 82 VAL 85 I TRP 86 n 83 TRP 86 I GLN 87 n 84 GLN 87 I GLY 88 n 85 GLY 88 I LYS 89 n 86 LYS 89 I ARG 90 n 87 ARG 90 I VAL 91 n 88 VAL 91 I SER 92 n 89 SER 92 I TYR 93 n 90 TYR 93 I GLU 94 n 91 GLU 94 I ARG 95 n 92 ARG 95 I VAL 96 n 93 VAL 96 I PHE 97 n 94 PHE 97 I SER 98 n 95 SER 98 I ASN 99 n 96 ASN 99 I GLU 100 n 97 GLU 100 I CYS 101 n 98 CYS 101 I GLU 102 n 99 GLU 102 I MET 103 n 100 MET 103 I ASN 104 n 101 ASN 104 I ALA 105 n 102 ALA 105 I HIS 106 n 103 HIS 106 I GLY 107 n 104 GLY 107 I SER 108 n 105 SER 108 I SER 109 n 106 SER 109 I VAL 110 n 107 VAL 110 I PHE 111 n 108 PHE 111 I ALA 112 n 109 ALA 112 I PHE 113 n 110 PHE 113 I author_defined_assembly 2 dimeric 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 0.173 2.6 8.0 6166 1 2.6 8.0 0 330 0 0 330 0.020 4.3 refinement X-PLOR CRYSTAL STRUCTURE OF AN ENGINEERED SUBTILISIN INHIBITOR COMPLEXED WITH BOVINE TRYPSIN 1 N N 2 N N SSI IS A DIMERIC MOLECULE (I2) CONSISTING OF TWO IDENTICAL SUBUNITS. IT BINDS TWO TRYPSIN MOLECULES (2E) TO FORM A DIMERIC COMPLEX E2I2. THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT CORRESPONDS TO HALF THE COMPLEX MOLECULE (EI). IN THIS ENTRY COORDINATES FOR ALPHA-CARBON ATOMS ARE PROVIDED FOR ONE CHAIN OF TRYPSIN USING THE CHAIN IDENTIFIER *E* AND FOR ONE CHAIN OF MODIFIED SSI USING THE CHAIN IDENTIFIER *I*. COORDINATES FOR THE OTHER EI COMPLEX CAN BE GENERATED FROM THE COORDINATES IN THIS ENTRY USING THE FOLLOWING TRANSFORMATION: -1.0 0.0 0.0 0.0 -1.0 0.0 0.0 0.0 1.0 E SER 164 A SER 144 HELX_P SINGLE ALPHA TURN,REST IRREG. E TYR 172 A TYR 152 1 H1 9 E LYS 230 A LYS 205 HELX_P CONTIGUOUS WITH H3 E VAL 235 A VAL 210 5 H2 6 E SER 236 A SER 211 HELX_P CONTIGUOUS WITH H2 E ASN 245 A ASN 220 1 H3 10 I ALA 46 B ALA 43 HELX_P I VAL 56 B VAL 53 1 H4 11 I ASN 99 B ASN 96 HELX_P I HIS 106 B HIS 103 1 H5 8 HYDROLASE/HYDROLASE INHIBITOR PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX, TRYPSIN) TRY1_BOVIN UNP 1 1 P00760 FIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEG NEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKA PILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTI ASN SSI_STRAO UNP 2 1 P01006 MRNTGAGPSPSVSRPPPSAAPLSGAALAAPGDAPSALYAPSALVLTVGKGVSATTAAPERAVTLTCAPGPSGTHPAAGSA CADLAAVGGDLNALTRGEDVMCPMVYDPVLLTVDGVWQGKRVSYERVFSNECEMNAHGSSVFAF 21 243 2TLD 16 245 P00760 E 1 1 220 35 144 2TLD 4 113 P01006 I 2 1 110 1 TYR deletion 2TLD E P00760 UNP 185 1 LYS deletion 2TLD E P00760 UNP 190 1 GLN deletion 2TLD E P00760 UNP 219 2 MET conflict GLY 70 2TLD I P01006 UNP 101 67 2 MET conflict LYS 73 2TLD I P01006 UNP 104 70 6 4 2 5 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 LYS 156 A LYS 136 E PRO 161 A PRO 141 E CYS 136 A CYS 116 E GLY 140 A GLY 120 E GLY 197 A GLY 177 E CYS 201 A CYS 181 E LYS 204 A LYS 184 E TRP 215 A TRP 191 E GLY 226 A GLY 201 E VAL 231 A VAL 206 E ASN 179 A ASN 159 E ALA 183 A ALA 163 E GLY 43 A GLY 26 E SER 45 A SER 28 E VAL 52 A VAL 35 E ALA 55 A ALA 38 E ILE 103 A ILE 85 E LYS 107 A LYS 89 E LYS 87 A LYS 69 E HIS 91 A HIS 73 E ILE 63 A ILE 46 E LEU 67 A LEU 50 E GLN 81 A GLN 63 E ALA 85 A ALA 67 I SER 40 B SER 37 I THR 42 B THR 39 I ARG 29 B ARG 26 I CYS 35 B CYS 32 I SER 10 B SER 7 I GLY 19 B GLY 16 I PRO 77 B PRO 74 I GLN 87 B GLN 84 I LYS 89 B LYS 86 I PHE 97 B PHE 94 RESIDUES FORMING THE CATALYTIC TRIAD IN TRYPSIN Author 3 A THREE-RESIDUE POLYPEPTIDE SEGMENT OF SUBTILISIN CAPABLE OF FORMING AN ANTIPARALLEL BETA SHEET WITH THE P1, P2 AND P3 RESIDUES OF A LIGAND Author 3 RESIDUES OF SSI CONNECTED THROUGH A REACTIVE SITE PEPTIDE BOND (OR A SCISSIBLE BOND) WHICH IS POTENTIALLY CLEAVED BY TARGET ENZYMES INCLUDING TRYPSIN AND SUBTILISIN. Author 2 E ASP 102 A ASP 84 3 1_555 E HIS 57 A HIS 40 3 1_555 E SER 195 A SER 175 3 1_555 E SER 214 A SER 190 3 1_555 E TRP 215 A TRP 191 3 1_555 E GLY 216 A GLY 192 3 1_555 I LYS 73 B LYS 70 2 1_555 I VAL 74 B VAL 71 2 1_555 23 I 2 2 2