0.015962 0.009215 0.000000 0.000000 0.018431 0.000000 0.000000 0.000000 0.008044 0.00000 0.00000 0.00000 Huang, Q. Liu, S. Tang, Y. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 6 90.00 90.00 120.00 62.650 62.650 124.310 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 UK J.Mol.Biol. JMOBAK 0070 0022-2836 229 1022 1036 10.1006/jmbi.1993.1102 8445634 Refined 1.6 A resolution crystal structure of the complex formed between porcine beta-trypsin and MCTI-A, a trypsin inhibitor of the squash family. Detailed comparison with bovine beta-trypsin and its complex. 1993 NE FEBS Lett. FEBLAL 0165 0014-5793 297 143 Amino Acid Sequencing of a Trypsin Inhibitor by Refined 1.6 Angstroms X-Ray Crystal Structure of its Complex with Porcine Beta-Trypsin 1992 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 23491.525 BETA-TRYPSIN 3.4.21.4 1 man polymer 3163.831 TRYPSIN INHIBITOR A 1 man polymer 40.078 CALCIUM ION 1 syn non-polymer 18.015 water 135 nat water no no IVGGYTCAANSIPYQVSLNSGSHFCGGSLINSQWVVSAAHCYKSRIQVRLGEHNIDVLEGNEQFINAAKIITHPNFNGNT LDNDIMLIKLSSPATLNSRVATVSLPRSCAAAGTECLISGWGNTKSSGSSYPSLLQCLKAPVLSNSSCKSSYPGQITGNM ICVGFLQGGKDSCQGDSGGPVVCNGQLQGIVSWGYGCAQKNKPGVYTKVCNYVNWIQQTIAAN IVGGYTCAANSIPYQVSLNSGSHFCGGSLINSQWVVSAAHCYKSRIQVRLGEHNIDVLEGNEQFINAAKIITHPNFNGNT LDNDIMLIKLSSPATLNSRVATVSLPRSCAAAGTECLISGWGNTKSSGSSYPSLLQCLKAPVLSNSSCKSSYPGQITGNM ICVGFLQGGKDSCQGDSGGPVVCNGQLQGIVSWGYGCAQKNKPGVYTKVCNYVNWIQQTIAAN A polypeptide(L) no no RICPRIWMECTRDSDCMAKCICVAGHCG RICPRIWMECTRDSDCMAKCICVAGHCG 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 pig Sus sample 9823 SEED Sus scrofa balsam pear Momordica sample 3673 SEED Momordica charantia 2.64 53.43 repository Initial release Version format compliance Version format compliance 1 0 1994-01-31 1 1 2008-03-24 1 2 2011-07-13 Y BNL 1992-10-24 REL REL CA CALCIUM ION HOH water SEQUENCE ADVISORY NOTICE: DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. SWISS-PROT ENTRY NAME: TRYP_PIG SWISS-PROT RESIDUE PDB SEQRES NAME NUMBER NAME CHAIN SEQ/INSERT CODE ASP 145 ASN A 145 GLU 167 GLN A 167 SWISS-PROT ENTRY NAME: ITR2_MOMCH SWISS-PROT RESIDUE PDB SEQRES NAME NUMBER NAME CHAIN SEQ/INSERT CODE LYS 11 THR I 11 GLN 19 LYS I 19 ASP 24 ALA I 24 THE SEQUENCE USED IN THIS ENTRY WAS DETERMINED BY X-RAY CRYSTALLOGRAPHY. THERE ARE SEVERAL UNCERTAIN ASSIGNMENTS WHICH DIFFER FROM THE CHEMICALLY DETERMINED SEQUENCES. CA 55 3 CA CA 246 A HOH 1 4 HOH HOH 247 A HOH 1 4 HOH HOH 248 A HOH 2 4 HOH HOH 249 A HOH 3 4 HOH HOH 250 A HOH 4 4 HOH HOH 251 A HOH 5 4 HOH HOH 252 A HOH 5 4 HOH HOH 253 A HOH 6 4 HOH HOH 254 A HOH 7 4 HOH HOH 255 A HOH 7 4 HOH HOH 256 A HOH 8 4 HOH HOH 257 A HOH 8 4 HOH HOH 258 A HOH 9 4 HOH HOH 259 A HOH 10 4 HOH HOH 260 A HOH 11 4 HOH HOH 261 A HOH 11 4 HOH HOH 262 A HOH 12 4 HOH HOH 263 A HOH 12 4 HOH HOH 264 A HOH 13 4 HOH HOH 265 A HOH 14 4 HOH HOH 266 A HOH 14 4 HOH HOH 267 A HOH 15 4 HOH HOH 268 A HOH 16 4 HOH HOH 269 A HOH 17 4 HOH HOH 270 A HOH 18 4 HOH HOH 271 A HOH 19 4 HOH HOH 272 A HOH 21 4 HOH HOH 273 A HOH 22 4 HOH HOH 274 A HOH 23 4 HOH HOH 275 A HOH 25 4 HOH HOH 276 A HOH 26 4 HOH HOH 277 A HOH 27 4 HOH HOH 278 A HOH 28 4 HOH HOH 279 A HOH 29 4 HOH HOH 280 A HOH 30 4 HOH HOH 281 A HOH 31 4 HOH HOH 282 A HOH 32 4 HOH HOH 283 A HOH 33 4 HOH HOH 284 A HOH 34 4 HOH HOH 285 A HOH 35 4 HOH HOH 286 A HOH 36 4 HOH HOH 287 A HOH 37 4 HOH HOH 288 A HOH 38 4 HOH HOH 289 A HOH 40 4 HOH HOH 290 A HOH 41 4 HOH HOH 291 A HOH 43 4 HOH HOH 292 A HOH 44 4 HOH HOH 293 A HOH 45 4 HOH HOH 294 A HOH 48 4 HOH HOH 295 A HOH 49 4 HOH HOH 296 A HOH 52 4 HOH HOH 297 A HOH 53 4 HOH HOH 298 A HOH 54 4 HOH HOH 299 A HOH 56 4 HOH HOH 300 A HOH 57 4 HOH HOH 301 A HOH 58 4 HOH HOH 302 A HOH 59 4 HOH HOH 303 A HOH 60 4 HOH HOH 304 A HOH 61 4 HOH HOH 305 A HOH 62 4 HOH HOH 306 A HOH 63 4 HOH HOH 307 A HOH 64 4 HOH HOH 308 A HOH 66 4 HOH HOH 309 A HOH 67 4 HOH HOH 310 A HOH 68 4 HOH HOH 311 A HOH 69 4 HOH HOH 312 A HOH 70 4 HOH HOH 313 A HOH 71 4 HOH HOH 314 A HOH 73 4 HOH HOH 315 A HOH 74 4 HOH HOH 316 A HOH 75 4 HOH HOH 317 A HOH 76 4 HOH HOH 318 A HOH 77 4 HOH HOH 319 A HOH 78 4 HOH HOH 320 A HOH 79 4 HOH HOH 321 A HOH 81 4 HOH HOH 322 A HOH 82 4 HOH HOH 323 A HOH 83 4 HOH HOH 324 A HOH 84 4 HOH HOH 325 A HOH 86 4 HOH HOH 326 A HOH 87 4 HOH HOH 327 A HOH 88 4 HOH HOH 328 A HOH 90 4 HOH HOH 329 A HOH 91 4 HOH HOH 330 A HOH 93 4 HOH HOH 331 A HOH 95 4 HOH HOH 332 A HOH 96 4 HOH HOH 333 A HOH 99 4 HOH HOH 334 A HOH 101 4 HOH HOH 335 A HOH 102 4 HOH HOH 336 A HOH 103 4 HOH HOH 337 A HOH 104 4 HOH HOH 338 A HOH 105 4 HOH HOH 339 A HOH 106 4 HOH HOH 340 A HOH 108 4 HOH HOH 341 A HOH 110 4 HOH HOH 342 A HOH 111 4 HOH HOH 343 A HOH 114 4 HOH HOH 344 A HOH 115 4 HOH HOH 345 A HOH 116 4 HOH HOH 346 A HOH 117 4 HOH HOH 347 A HOH 118 4 HOH HOH 348 A HOH 120 4 HOH HOH 349 A HOH 121 4 HOH HOH 350 A HOH 122 4 HOH HOH 351 A HOH 123 4 HOH HOH 352 A HOH 124 4 HOH HOH 353 A HOH 125 4 HOH HOH 354 A HOH 126 4 HOH HOH 355 A HOH 127 4 HOH HOH 356 A HOH 128 4 HOH HOH 357 A HOH 129 4 HOH HOH 358 A HOH 130 4 HOH HOH 359 A HOH 131 4 HOH HOH 360 A HOH 132 4 HOH HOH 361 A HOH 133 4 HOH HOH 362 A HOH 134 4 HOH HOH 363 A HOH 135 4 HOH HOH 364 A HOH 136 4 HOH HOH 365 A HOH 137 4 HOH HOH 366 A HOH 138 4 HOH HOH 367 A HOH 139 4 HOH HOH 368 A HOH 140 4 HOH HOH 369 A HOH 141 4 HOH HOH 370 A HOH 142 4 HOH HOH 371 A HOH 143 4 HOH HOH 372 A HOH 144 4 HOH HOH 373 A HOH 145 4 HOH HOH 374 A HOH 20 4 HOH HOH 29 I HOH 24 4 HOH HOH 30 I HOH 50 4 HOH HOH 31 I HOH 51 4 HOH HOH 32 I HOH 65 4 HOH HOH 33 I HOH 72 4 HOH HOH 34 I HOH 119 4 HOH HOH 35 I ILE 16 n 1 ILE 16 A VAL 17 n 2 VAL 17 A GLY 18 n 3 GLY 18 A GLY 19 n 4 GLY 19 A TYR 20 n 5 TYR 20 A THR 21 n 6 THR 21 A CYS 22 n 7 CYS 22 A ALA 23 n 8 ALA 23 A ALA 24 n 9 ALA 24 A ASN 25 n 10 ASN 25 A SER 26 n 11 SER 26 A ILE 27 n 12 ILE 27 A PRO 28 n 13 PRO 28 A TYR 29 n 14 TYR 29 A GLN 30 n 15 GLN 30 A VAL 31 n 16 VAL 31 A SER 32 n 17 SER 32 A LEU 33 n 18 LEU 33 A ASN 34 n 19 ASN 34 A SER 37 n 20 SER 37 A GLY 38 n 21 GLY 38 A SER 39 n 22 SER 39 A HIS 40 n 23 HIS 40 A PHE 41 n 24 PHE 41 A CYS 42 n 25 CYS 42 A GLY 43 n 26 GLY 43 A GLY 44 n 27 GLY 44 A SER 45 n 28 SER 45 A LEU 46 n 29 LEU 46 A ILE 47 n 30 ILE 47 A ASN 48 n 31 ASN 48 A SER 49 n 32 SER 49 A GLN 50 n 33 GLN 50 A TRP 51 n 34 TRP 51 A VAL 52 n 35 VAL 52 A VAL 53 n 36 VAL 53 A SER 54 n 37 SER 54 A ALA 55 n 38 ALA 55 A ALA 56 n 39 ALA 56 A HIS 57 n 40 HIS 57 A CYS 58 n 41 CYS 58 A TYR 59 n 42 TYR 59 A LYS 60 n 43 LYS 60 A SER 61 n 44 SER 61 A ARG 62 n 45 ARG 62 A ILE 63 n 46 ILE 63 A GLN 64 n 47 GLN 64 A VAL 65 n 48 VAL 65 A ARG 66 n 49 ARG 66 A LEU 67 n 50 LEU 67 A GLY 69 n 51 GLY 69 A GLU 70 n 52 GLU 70 A HIS 71 n 53 HIS 71 A ASN 72 n 54 ASN 72 A ILE 73 n 55 ILE 73 A ASP 74 n 56 ASP 74 A VAL 75 n 57 VAL 75 A LEU 76 n 58 LEU 76 A GLU 77 n 59 GLU 77 A GLY 78 n 60 GLY 78 A ASN 79 n 61 ASN 79 A GLU 80 n 62 GLU 80 A GLN 81 n 63 GLN 81 A PHE 82 n 64 PHE 82 A ILE 83 n 65 ILE 83 A ASN 84 n 66 ASN 84 A ALA 85 n 67 ALA 85 A ALA 86 n 68 ALA 86 A LYS 87 n 69 LYS 87 A ILE 88 n 70 ILE 88 A ILE 89 n 71 ILE 89 A THR 90 n 72 THR 90 A HIS 91 n 73 HIS 91 A PRO 92 n 74 PRO 92 A ASN 93 n 75 ASN 93 A PHE 94 n 76 PHE 94 A ASN 95 n 77 ASN 95 A GLY 96 n 78 GLY 96 A ASN 97 n 79 ASN 97 A THR 98 n 80 THR 98 A LEU 99 n 81 LEU 99 A ASP 100 n 82 ASP 100 A ASN 101 n 83 ASN 101 A ASP 102 n 84 ASP 102 A ILE 103 n 85 ILE 103 A MET 104 n 86 MET 104 A LEU 105 n 87 LEU 105 A ILE 106 n 88 ILE 106 A LYS 107 n 89 LYS 107 A LEU 108 n 90 LEU 108 A SER 109 n 91 SER 109 A SER 110 n 92 SER 110 A PRO 111 n 93 PRO 111 A ALA 112 n 94 ALA 112 A THR 113 n 95 THR 113 A LEU 114 n 96 LEU 114 A ASN 115 n 97 ASN 115 A SER 116 n 98 SER 116 A ARG 117 n 99 ARG 117 A VAL 118 n 100 VAL 118 A ALA 119 n 101 ALA 119 A THR 120 n 102 THR 120 A VAL 121 n 103 VAL 121 A SER 122 n 104 SER 122 A LEU 123 n 105 LEU 123 A PRO 124 n 106 PRO 124 A ARG 125 n 107 ARG 125 A SER 127 n 108 SER 127 A CYS 128 n 109 CYS 128 A ALA 129 n 110 ALA 129 A ALA 130 n 111 ALA 130 A ALA 132 n 112 ALA 132 A GLY 133 n 113 GLY 133 A THR 134 n 114 THR 134 A GLU 135 n 115 GLU 135 A CYS 136 n 116 CYS 136 A LEU 137 n 117 LEU 137 A ILE 138 n 118 ILE 138 A SER 139 n 119 SER 139 A GLY 140 n 120 GLY 140 A TRP 141 n 121 TRP 141 A GLY 142 n 122 GLY 142 A ASN 143 n 123 ASN 143 A THR 144 n 124 THR 144 A LYS 145 n 125 LYS 145 A SER 146 n 126 SER 146 A SER 147 n 127 SER 147 A GLY 148 n 128 GLY 148 A SER 149 n 129 SER 149 A SER 150 n 130 SER 150 A TYR 151 n 131 TYR 151 A PRO 152 n 132 PRO 152 A SER 153 n 133 SER 153 A LEU 154 n 134 LEU 154 A LEU 155 n 135 LEU 155 A GLN 156 n 136 GLN 156 A CYS 157 n 137 CYS 157 A LEU 158 n 138 LEU 158 A LYS 159 n 139 LYS 159 A ALA 160 n 140 ALA 160 A PRO 161 n 141 PRO 161 A VAL 162 n 142 VAL 162 A LEU 163 n 143 LEU 163 A SER 164 n 144 SER 164 A ASN 165 n 145 ASN 165 A SER 166 n 146 SER 166 A SER 167 n 147 SER 167 A CYS 168 n 148 CYS 168 A LYS 169 n 149 LYS 169 A SER 170 n 150 SER 170 A SER 171 n 151 SER 171 A TYR 172 n 152 TYR 172 A PRO 173 n 153 PRO 173 A GLY 174 n 154 GLY 174 A GLN 175 n 155 GLN 175 A ILE 176 n 156 ILE 176 A THR 177 n 157 THR 177 A GLY 178 n 158 GLY 178 A ASN 179 n 159 ASN 179 A MET 180 n 160 MET 180 A ILE 181 n 161 ILE 181 A CYS 182 n 162 CYS 182 A VAL 183 n 163 VAL 183 A GLY 184 n 164 A GLY 184 A PHE 184 n 165 PHE 184 A LEU 185 n 166 LEU 185 A GLN 186 n 167 GLN 186 A GLY 187 n 168 GLY 187 A GLY 188 n 169 A GLY 188 A LYS 188 n 170 LYS 188 A ASP 189 n 171 ASP 189 A SER 190 n 172 SER 190 A CYS 191 n 173 CYS 191 A GLN 192 n 174 GLN 192 A GLY 193 n 175 GLY 193 A ASP 194 n 176 ASP 194 A SER 195 n 177 SER 195 A GLY 196 n 178 GLY 196 A GLY 197 n 179 GLY 197 A PRO 198 n 180 PRO 198 A VAL 199 n 181 VAL 199 A VAL 200 n 182 VAL 200 A CYS 201 n 183 CYS 201 A ASN 202 n 184 ASN 202 A GLY 203 n 185 GLY 203 A GLN 204 n 186 GLN 204 A LEU 209 n 187 LEU 209 A GLN 210 n 188 GLN 210 A GLY 211 n 189 GLY 211 A ILE 212 n 190 ILE 212 A VAL 213 n 191 VAL 213 A SER 214 n 192 SER 214 A TRP 215 n 193 TRP 215 A GLY 216 n 194 GLY 216 A TYR 217 n 195 TYR 217 A GLY 219 n 196 GLY 219 A CYS 220 n 197 CYS 220 A ALA 221 n 198 A ALA 221 A GLN 221 n 199 GLN 221 A LYS 222 n 200 LYS 222 A ASN 223 n 201 ASN 223 A LYS 224 n 202 LYS 224 A PRO 225 n 203 PRO 225 A GLY 226 n 204 GLY 226 A VAL 227 n 205 VAL 227 A TYR 228 n 206 TYR 228 A THR 229 n 207 THR 229 A LYS 230 n 208 LYS 230 A VAL 231 n 209 VAL 231 A CYS 232 n 210 CYS 232 A ASN 233 n 211 ASN 233 A TYR 234 n 212 TYR 234 A VAL 235 n 213 VAL 235 A ASN 236 n 214 ASN 236 A TRP 237 n 215 TRP 237 A ILE 238 n 216 ILE 238 A GLN 239 n 217 GLN 239 A GLN 240 n 218 GLN 240 A THR 241 n 219 THR 241 A ILE 242 n 220 ILE 242 A ALA 243 n 221 ALA 243 A ALA 244 n 222 ALA 244 A ASN 245 n 223 ASN 245 A ARG 1 n 1 ARG 1 I ILE 2 n 2 ILE 2 I CYS 3 n 3 CYS 3 I PRO 4 n 4 PRO 4 I ARG 5 n 5 ARG 5 I ILE 6 n 6 ILE 6 I TRP 7 n 7 TRP 7 I MET 8 n 8 MET 8 I GLU 9 n 9 GLU 9 I CYS 10 n 10 CYS 10 I THR 11 n 11 THR 11 I ARG 12 n 12 ARG 12 I ASP 13 n 13 ASP 13 I SER 14 n 14 SER 14 I ASP 15 n 15 ASP 15 I CYS 16 n 16 CYS 16 I MET 17 n 17 MET 17 I ALA 18 n 18 ALA 18 I LYS 19 n 19 LYS 19 I CYS 20 n 20 CYS 20 I ILE 21 n 21 ILE 21 I CYS 22 n 22 CYS 22 I VAL 23 n 23 VAL 23 I ALA 24 n 24 ALA 24 I GLY 25 n 25 GLY 25 I HIS 26 n 26 HIS 26 I CYS 27 n 27 CYS 27 I GLY 28 n 28 GLY 28 I author_and_software_defined_assembly PISA 2 dimeric 1590 -20 9970 A GLU 77 A OE1 GLU 59 1_555 A CA 246 C CA CA 1_555 A GLU 80 A OE2 GLU 62 1_555 86.4 A GLU 77 A OE1 GLU 59 1_555 A CA 246 C CA CA 1_555 A ASN 72 A O ASN 54 1_555 84.9 A GLU 80 A OE2 GLU 62 1_555 A CA 246 C CA CA 1_555 A ASN 72 A O ASN 54 1_555 167.1 A GLU 77 A OE1 GLU 59 1_555 A CA 246 C CA CA 1_555 A VAL 75 A O VAL 57 1_555 104.2 A GLU 80 A OE2 GLU 62 1_555 A CA 246 C CA CA 1_555 A VAL 75 A O VAL 57 1_555 93.4 A ASN 72 A O ASN 54 1_555 A CA 246 C CA CA 1_555 A VAL 75 A O VAL 57 1_555 79.6 A GLU 77 A OE1 GLU 59 1_555 A CA 246 C CA CA 1_555 A GLU 70 A OE1 GLU 52 1_555 100.1 A GLU 80 A OE2 GLU 62 1_555 A CA 246 C CA CA 1_555 A GLU 70 A OE1 GLU 52 1_555 101.6 A ASN 72 A O ASN 54 1_555 A CA 246 C CA CA 1_555 A GLU 70 A OE1 GLU 52 1_555 89.3 A VAL 75 A O VAL 57 1_555 A CA 246 C CA CA 1_555 A GLU 70 A OE1 GLU 52 1_555 152.1 A GLU 77 A OE1 GLU 59 1_555 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 173.0 A GLU 80 A OE2 GLU 62 1_555 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 89.3 A ASN 72 A O ASN 54 1_555 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 100.2 A VAL 75 A O VAL 57 1_555 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 81.6 A GLU 70 A OE1 GLU 52 1_555 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 75.2 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 A N VAL 183 A N VAL 163 A O GLY 226 A O GLY 204 A N THR 229 A N THR 207 A O ILE 212 A O ILE 190 A N GLN 210 A N GLN 188 A O VAL 199 A O VAL 181 A N VAL 200 A N VAL 182 A O LEU 137 A O LEU 117 A O GLY 140 A O GLY 120 A N GLN 156 A N GLN 136 A N CYS 157 A N CYS 137 A O TYR 20 A O TYR 5 A N VAL 183 A N VAL 163 A O GLY 226 A O GLY 204 A N THR 229 A N THR 207 A O ILE 212 A O ILE 190 A O LEU 33 A O LEU 18 A N PHE 41 A N PHE 24 A N ILE 47 A N ILE 30 A O TRP 51 A O TRP 34 A N SER 54 A N SER 37 A O MET 104 A O MET 86 A O LYS 107 A O LYS 89 A N ALA 86 A N ALA 68 A O ILE 83 A O ILE 65 A N VAL 65 A N VAL 48 A N ARG 66 A N ARG 49 A O SER 32 A O SER 17 1 A CG ARG 62 A CG ARG 45 0 Y 1 A CD ARG 62 A CD ARG 45 0 Y 1 A NE ARG 62 A NE ARG 45 0 Y 1 A CZ ARG 62 A CZ ARG 45 0 Y 1 A NH1 ARG 62 A NH1 ARG 45 0 Y 1 A NH2 ARG 62 A NH2 ARG 45 0 Y 1 A CB ASN 79 A CB ASN 61 0 Y 1 A CG ASN 79 A CG ASN 61 0 Y 1 A OD1 ASN 79 A OD1 ASN 61 0 Y 1 A ND2 ASN 79 A ND2 ASN 61 0 Y 1 A CG ARG 125 A CG ARG 107 0 Y 1 A CD ARG 125 A CD ARG 107 0 Y 1 A NE ARG 125 A NE ARG 107 0 Y 1 A CZ ARG 125 A CZ ARG 107 0 Y 1 A NH1 ARG 125 A NH1 ARG 107 0 Y 1 A NH2 ARG 125 A NH2 ARG 107 0 Y 1 A CE LYS 145 A CE LYS 125 0 Y 1 A NZ LYS 145 A NZ LYS 125 0 Y 1 A O SER 147 A O SER 127 0 Y 1 A OG SER 147 A OG SER 127 0 Y 1 A OG SER 149 A OG SER 129 0 Y 1 A CD GLN 221 A CD GLN 199 0 Y 1 A OE1 GLN 221 A OE1 GLN 199 0 Y 1 A CG LYS 222 A CG LYS 200 0 Y 1 A CD LYS 222 A CD LYS 200 0 Y 1 A CE LYS 222 A CE LYS 200 0 Y 1 A NZ LYS 222 A NZ LYS 200 0 Y 1 A OD1 ASN 236 A OD1 ASN 214 0 Y 1 A ND2 ASN 236 A ND2 ASN 214 0 Y 1 A CD GLN 239 A CD GLN 217 0 Y 1 A CG GLN 240 A CG GLN 218 0 Y 1 A CD GLN 240 A CD GLN 218 0 Y 1 A OE1 GLN 240 A OE1 GLN 218 0 Y 1 A NE2 GLN 240 A NE2 GLN 218 0 Y 1 A A HH H2 TYR HOH 228 306 1.29 1 A A HD22 HH ASN TYR 101 234 1.33 1 A A HD21 HZ3 ASN LYS 165 169 1.35 1 A TYR 217 0.068 SIDE CHAIN 1 -3.10 0.50 120.30 117.20 A A A NE CZ NH2 ARG ARG ARG 66 66 66 N 1 -3.10 0.50 120.30 117.20 A A A NE CZ NH2 ARG ARG ARG 117 117 117 N 1 6.07 0.50 120.30 126.37 I I I NE CZ NH1 ARG ARG ARG 1 1 1 N 1 -6.48 0.50 120.30 113.82 I I I NE CZ NH2 ARG ARG ARG 1 1 1 N 1 A ASN 25 81.17 -12.90 1 A HIS 71 -132.56 -58.25 1 A ASN 115 -149.65 -150.82 1 A SER 214 -125.70 -66.53 1 I ARG 5 -91.12 34.71 1 I ALA 18 42.22 -128.09 0.167 0.167 1.6 1 1.6 135 1991 1 0 1855 0.011 2.2 14.8 phasing SQUASH model building X-PLOR refinement X-PLOR phasing X-PLOR TRYPSIN (E.C.3.4.21.4) COMPLEXED WITH INHIBITOR FROM BITTER GOURD THE REFINED 1.6 ANGSTROMS RESOLUTION CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN PORCINE BETA-TRYPSIN AND MCTI-A, A TRYPSIN INHIBITOR OF SQUASH FAMILY 1 N N 2 N N 3 N N 4 N N 4 N N A SER 164 A SER 144 HELX_P A PRO 173 A PRO 153 1 H1 10 A TYR 234 A TYR 212 HELX_P A ASN 245 A ASN 223 1 H2 12 disulf 2.011 A CYS 22 A SG CYS 7 1_555 A CYS 157 A SG CYS 137 1_555 disulf 2.022 A CYS 42 A SG CYS 25 1_555 A CYS 58 A SG CYS 41 1_555 disulf 2.025 A CYS 128 A SG CYS 109 1_555 A CYS 232 A SG CYS 210 1_555 disulf 2.017 A CYS 136 A SG CYS 116 1_555 A CYS 201 A SG CYS 183 1_555 disulf 2.022 A CYS 168 A SG CYS 148 1_555 A CYS 182 A SG CYS 162 1_555 disulf 2.018 A CYS 191 A SG CYS 173 1_555 A CYS 220 A SG CYS 197 1_555 disulf 2.010 I CYS 3 B SG CYS 3 1_555 I CYS 20 B SG CYS 20 1_555 disulf 2.031 I CYS 10 B SG CYS 10 1_555 I CYS 22 B SG CYS 22 1_555 disulf 2.034 I CYS 16 B SG CYS 16 1_555 I CYS 27 B SG CYS 27 1_555 metalc 2.804 A CA 246 C CA CA 1_555 A GLU 77 A OE1 GLU 59 1_555 metalc 2.338 A CA 246 C CA CA 1_555 A GLU 80 A OE2 GLU 62 1_555 metalc 2.425 A CA 246 C CA CA 1_555 A ASN 72 A O ASN 54 1_555 metalc 2.311 A CA 246 C CA CA 1_555 A VAL 75 A O VAL 57 1_555 metalc 2.362 A CA 246 C CA CA 1_555 A GLU 70 A OE1 GLU 52 1_555 metalc 2.638 A CA 246 C CA CA 1_555 A HOH 254 D O HOH 1_555 HYDROLASE/HYDROLASE INHIBITOR HYDROLASE-HYDROLASE INHIBITOR COMPLEX, PROTEINASE TRYP_PIG UNP 1 1 P00761 FPTDDDDKIVGGYTCAANSIPYQVSLNSGSHFCGGSLINSQWVVSAAHCYKSRIQVRLGEHNIDVLEGNEQFINAAKIIT HPNFNGNTLDNDIMLIKLSSPATLNSRVATVSLPRSCAAAGTECLISGWGNTKSSGSSYPSLLQCLKAPVLSDSSCKSSY PGQITGNMICVGFLEGGKDSCQGDSGGPVVCNGQLQGIVSWGYGCAQKNKPGVYTKVCNYVNWIQQTIAAN ITRA_MOMCH UNP 2 1 P30709 RSCPRIWMECTRDSDCMAKCICVAGHCG 9 231 1MCT 16 245 P00761 A 1 1 223 1 28 1MCT 1 28 P30709 I 2 1 28 1 ASP CONFLICT ASN 165 1MCT A P00761 UNP 153 145 1 GLU CONFLICT GLN 186 1MCT A P00761 UNP 175 167 2 SER CONFLICT ILE 2 1MCT I P30709 UNP 2 2 7 4 7 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 MET 180 A MET 160 A VAL 183 A VAL 163 A GLY 226 A GLY 204 A LYS 230 A LYS 208 A GLN 204 A GLN 186 A GLY 216 A GLY 194 A PRO 198 A PRO 180 A CYS 201 A CYS 183 A GLU 135 A GLU 115 A GLY 140 A GLY 120 A GLN 156 A GLN 136 A PRO 161 A PRO 141 A TYR 20 A TYR 5 A THR 21 A THR 6 A MET 180 A MET 160 A VAL 183 A VAL 163 A GLY 226 A GLY 204 A LYS 230 A LYS 208 A GLN 204 A GLN 186 A GLY 216 A GLY 194 A GLN 30 A GLN 15 A ASN 34 A ASN 19 A HIS 40 A HIS 23 A ASN 48 A ASN 31 A TRP 51 A TRP 34 A SER 54 A SER 37 A MET 104 A MET 86 A LEU 108 A LEU 90 A GLN 81 A GLN 63 A THR 90 A THR 72 A GLN 64 A GLN 47 A LEU 67 A LEU 50 A GLN 30 A GLN 15 A ASN 34 A ASN 19 BINDING SITE FOR RESIDUE CA A 246 Software 6 A GLU 70 A GLU 52 6 1_555 A ASN 72 A ASN 54 6 1_555 A VAL 75 A VAL 57 6 1_555 A GLU 77 A GLU 59 6 1_555 A GLU 80 A GLU 62 6 1_555 A HOH 254 D HOH 6 1_555 154 P 32 2 1