0.014648 0.008457 0.000000 0.000000 0.016914 0.000000 0.000000 0.000000 0.016438 0.00000 0.00000 0.00000 Chen, Y.W. Stott, K.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 90.00 120.00 68.267 68.267 60.833 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 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 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 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 S C N 76 N C N 77 N O N 78 N C N 79 N C N 80 N C N 81 N O N 82 N N N 83 N O N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N C N 101 N O N 102 N O N 103 N O N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N N N 114 N C N 115 N C 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 O N 124 N H N 125 N H N 126 N N N 127 S C N 128 N C N 129 N O N 130 S C N 131 N C N 132 N C N 133 N C N 134 N O N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N N N 149 S C N 150 N C N 151 N O N 152 N C N 153 N C N 154 N C N 155 N C N 156 N O N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N N N 171 S C N 172 N C N 173 N O N 174 N C N 175 N C N 176 N C N 177 N C N 178 N N N 179 N O N 180 N H N 181 N H N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H 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 N N 196 S C N 197 N C N 198 N O N 199 N C N 200 N C N 201 N S N 202 N C N 203 N O N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N N N 216 S C N 217 N C N 218 N O N 219 N C Y 220 N C Y 221 N C Y 222 N C Y 223 N C Y 224 N C Y 225 N C N 226 N O N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N N N 239 S C N 240 N C N 241 N O N 242 N C N 243 N C N 244 N C N 245 N O N 246 N H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N H N 252 N H N 253 N H N 254 N H N 255 N N N 256 S C N 257 N C N 258 N O N 259 N C N 260 N O N 261 N O 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 S N 270 N O N 271 N O N 272 N O N 273 N O N 274 N N N 275 S C N 276 N C N 277 N O N 278 R C N 279 N O N 280 N C N 281 N O N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N N N 292 S C N 293 N C N 294 N O N 295 N C Y 296 N C Y 297 N C Y 298 N C Y 299 N N Y 300 N C Y 301 N C Y 302 N C Y 303 N C Y 304 N C N 305 N O N 306 N H N 307 N H N 308 N H 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 C Y 327 N C Y 328 N C N 329 N O N 330 N O N 331 N H N 332 N H 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 N N 343 S C N 344 N C N 345 N O N 346 N C N 347 N C N 348 N C N 349 N O N 350 N H N 351 N H N 352 N H N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 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 doub N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N doub N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N doub N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N doub N 114 N sing N 115 N sing N 116 N sing 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 doub N 125 N sing N 126 N sing 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 sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N doub N 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 sing 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 doub 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 sing 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 doub 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 sing 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 doub N 210 N sing N 211 N sing N 212 N sing N 213 N sing Y 214 N doub Y 215 N sing Y 216 N sing N 217 N sing Y 218 N doub N 219 N sing Y 220 N doub N 221 N sing Y 222 N sing 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 doub 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 sing N 242 N sing N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N doub N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing N 255 N sing N 256 N doub N 257 N doub 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 sing N 265 N sing N 266 N doub 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 sing N 282 N doub N 283 N sing N 284 N sing N 285 N sing N 286 N sing Y 287 N doub Y 288 N sing Y 289 N sing N 290 N sing Y 291 N doub Y 292 N sing Y 293 N sing N 294 N sing Y 295 N sing Y 296 N doub N 297 N sing Y 298 N doub N 299 N sing Y 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 N 320 N sing Y 321 N doub N 322 N sing Y 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 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 doub N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 96 1257 1261 10.1073/pnas.96.4.1257 9990011 Crystal structure of a dimeric chymotrypsin inhibitor 2 mutant containing an inserted glutamine repeat. 1999 UK J.Mol.Biol. JMOBAK 0070 0022-2836 273 330 Glutamine, Alanine or Glycine Repeats Inserted Into the Loop of a Protein Have Minimal Effects on Stability and Folding Rates 1997 UK Fold.Des. 1359-0278 1 189 Towards the Complete Structural Characterization of a Protein Folding Pathway: The Structures of the Denatured, Transition and Native States for the Association/Folding of Two Complementary Fragments of Cleaved Chymotrypsin Inhibitor 2. Direction Evidence for a Nucleation-Condensation Mechanism 1996 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 92 6509 Incorporation of Glutamine Repeats Makes Protein Oligomerize: Implications for Neurodegenerative Diseases 1995 US Biochemistry BICHAW 0033 0006-2960 26 261 Crystal and Molecular Structure of the Serine Proteinase Inhibitor Ci-2 from Barley Seeds 1987 UK Protein Eng. PRENE9 0859 0269-2139 1 305 The Determination of the Three-Dimensional Structure of Barley Serine Proteinase Inhibitor 2 by Nuclear Magnetic Resonance, Distance Geometry and Restrained Molecular Dynamics 1987 10.2210/pdb1cq4/pdb pdb_00001cq4 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100.0 1 BENT MIRROR IMAGE PLATE 1996-06-24 MARRESEARCH SINGLE WAVELENGTH M x-ray 1 0.912 1.0 X11 EMBL/DESY, HAMBURG 0.912 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 EXISTS AS A1B2/A2B1 DOMAIN-SWAPPED DIMER 5212.127 PROTEIN (SERINE PROTEINASE INHIBITOR 2) YES 1 man polymer EXISTS AS A1B2/A2B1 DOMAIN-SWAPPED DIMER 2877.325 PROTEIN (SERINE PROTEINASE INHIBITOR 2) YES 1 man polymer 96.063 SULFATE ION 1 syn non-polymer 18.015 water 55 nat water CHYMOTRYPSIN INHIBITOR 2, CI2 CHYMOTRYPSIN INHIBITOR 2, CI2 no no MKTEWPELVGKSVEEAKKVILQDKPEAQIIVLPVGTIVTMGQQQQGM MKTEWPELVGKSVEEAKKVILQDKPEAQIIVLPVGTIVTMGQQQQGM A polypeptide(L) no no EYRIDRVRLFVDKLDNIAQVPRVG EYRIDRVRLFVDKLDNIAQVPRVG B 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 Hordeum HIPROLY Escherichia sample 4513 Hordeum vulgare 562 Escherichia coli NM554 PCI2-Q4I Hordeum HIPROLY Escherichia sample 4513 Hordeum vulgare 562 Escherichia coli NM554 PCI2-Q4I 1 2.60 53.0 7.5 DROPS WERE PREPARED BY MIXING 2 MICROLITERS OF PURIFIED DIMER AT 25MG/ML WITH AN EQUAL VOLUME OF BUFFER (30% W/V PEG-400, 1.0 M LITHIUM SULPHATE, AND 1 MM CALCIUM CHLORIDE, IN 0.1 M TRIS-HCL AT PH 7.5), WHICH WAS ALSO USED AS THE WELL BUFFER (1 ML). database_2 diffrn_source struct_ref_seq_dif struct_site chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Derived calculations Version format compliance Data collection Database references Derived calculations Data collection Refinement description 1 0 1998-11-25 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-09 _database_2.pdbx_DOI _database_2.pdbx_database_accession _diffrn_source.pdbx_synchrotron_site _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id BNL Y RCSB 1998-11-17 REL REL SO4 SULFATE ION HOH water 2CI2 PDB ENTRY 2CI2 PDB experimental model SO4 1001 3 SO4 SO4 1001 B HOH 2 4 HOH HOH 67 A HOH 3 4 HOH HOH 68 A HOH 8 4 HOH HOH 69 A HOH 12 4 HOH HOH 70 A HOH 13 4 HOH HOH 71 A HOH 14 4 HOH HOH 72 A HOH 15 4 HOH HOH 73 A HOH 24 4 HOH HOH 74 A HOH 26 4 HOH HOH 75 A HOH 27 4 HOH HOH 76 A HOH 28 4 HOH HOH 77 A HOH 29 4 HOH HOH 78 A HOH 30 4 HOH HOH 79 A HOH 31 4 HOH HOH 80 A HOH 32 4 HOH HOH 81 A HOH 33 4 HOH HOH 82 A HOH 34 4 HOH HOH 83 A HOH 35 4 HOH HOH 84 A HOH 36 4 HOH HOH 85 A HOH 37 4 HOH HOH 86 A HOH 38 4 HOH HOH 87 A HOH 40 4 HOH HOH 88 A HOH 41 4 HOH HOH 89 A HOH 42 4 HOH HOH 90 A HOH 43 4 HOH HOH 91 A HOH 44 4 HOH HOH 92 A HOH 45 4 HOH HOH 93 A HOH 46 4 HOH HOH 94 A HOH 47 4 HOH HOH 95 A HOH 48 4 HOH HOH 96 A HOH 50 4 HOH HOH 97 A HOH 51 4 HOH HOH 98 A HOH 1 4 HOH HOH 1 B HOH 4 4 HOH HOH 4 B HOH 5 4 HOH HOH 5 B HOH 6 4 HOH HOH 6 B HOH 7 4 HOH HOH 7 B HOH 9 4 HOH HOH 9 B HOH 10 4 HOH HOH 10 B HOH 11 4 HOH HOH 11 B HOH 16 4 HOH HOH 16 B HOH 17 4 HOH HOH 17 B HOH 18 4 HOH HOH 18 B HOH 19 4 HOH HOH 19 B HOH 20 4 HOH HOH 20 B HOH 21 4 HOH HOH 21 B HOH 22 4 HOH HOH 22 B HOH 23 4 HOH HOH 23 B HOH 25 4 HOH HOH 25 B HOH 39 4 HOH HOH 39 B HOH 49 4 HOH HOH 49 B HOH 52 4 HOH HOH 52 B HOH 53 4 HOH HOH 53 B HOH 54 4 HOH HOH 54 B HOH 55 4 HOH HOH 55 B n 1 20 A LYS 21 n 2 LYS 21 A THR 22 n 3 THR 22 A GLU 23 n 4 GLU 23 A TRP 24 n 5 TRP 24 A PRO 25 n 6 PRO 25 A GLU 26 n 7 GLU 26 A LEU 27 n 8 LEU 27 A VAL 28 n 9 VAL 28 A GLY 29 n 10 GLY 29 A LYS 30 n 11 LYS 30 A SER 31 n 12 SER 31 A VAL 32 n 13 VAL 32 A GLU 33 n 14 GLU 33 A GLU 34 n 15 GLU 34 A ALA 35 n 16 ALA 35 A LYS 36 n 17 LYS 36 A LYS 37 n 18 LYS 37 A VAL 38 n 19 VAL 38 A ILE 39 n 20 ILE 39 A LEU 40 n 21 LEU 40 A GLN 41 n 22 GLN 41 A ASP 42 n 23 ASP 42 A LYS 43 n 24 LYS 43 A PRO 44 n 25 PRO 44 A GLU 45 n 26 GLU 45 A ALA 46 n 27 ALA 46 A GLN 47 n 28 GLN 47 A ILE 48 n 29 ILE 48 A ILE 49 n 30 ILE 49 A VAL 50 n 31 VAL 50 A LEU 51 n 32 LEU 51 A PRO 52 n 33 PRO 52 A VAL 53 n 34 VAL 53 A GLY 54 n 35 GLY 54 A THR 55 n 36 THR 55 A ILE 56 n 37 ILE 56 A VAL 57 n 38 VAL 57 A n 39 58 A n 40 59 A n 41 60 A n 42 61 A n 43 62 A n 44 63 A n 45 64 A n 46 65 A n 47 66 A n 1 60 B TYR 61 n 2 TYR 61 B ARG 62 n 3 ARG 62 B ILE 63 n 4 ILE 63 B ASP 64 n 5 ASP 64 B ARG 65 n 6 ARG 65 B VAL 66 n 7 VAL 66 B ARG 67 n 8 ARG 67 B LEU 68 n 9 LEU 68 B PHE 69 n 10 PHE 69 B VAL 70 n 11 VAL 70 B ASP 71 n 12 ASP 71 B LYS 72 n 13 LYS 72 B LEU 73 n 14 LEU 73 B ASP 74 n 15 ASP 74 B ASN 75 n 16 ASN 75 B ILE 76 n 17 ILE 76 B ALA 77 n 18 ALA 77 B GLN 78 n 19 GLN 78 B VAL 79 n 20 VAL 79 B PRO 80 n 21 PRO 80 B ARG 81 n 22 ARG 81 B VAL 82 n 23 VAL 82 B GLY 83 n 24 GLY 83 B author_defined_assembly 4 tetrameric software_defined_assembly PISA 12 dodecameric software_defined_assembly PQS 24 24-meric 19290 -226 17310 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 0.5000000000 -0.8660254038 0.0000000000 0.8660254038 0.5000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 6_555 x-y,x,z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 -0.5000000000 -0.8660254038 0.0000000000 0.8660254038 -0.5000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 2_555 -y,x-y,z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 -0.5000000000 0.8660254038 0.0000000000 -0.8660254038 -0.5000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 3_555 -x+y,-x,z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 4_555 -x,-y,z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 0.5000000000 0.8660254038 0.0000000000 -0.8660254038 0.5000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 5_555 y,-x+y,z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 -0.5000000000 0.8660254038 0.0000000000 0.8660254038 0.5000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 7_556 y,x,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 8_556 x-y,-y,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 -0.5000000000 -0.8660254038 0.0000000000 -0.8660254038 0.5000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 9_556 -x,-x+y,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 0.5000000000 -0.8660254038 0.0000000000 -0.8660254038 -0.5000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 10_556 -y,-x,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 11_556 -x+y,y,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 0.5000000000 0.8660254038 0.0000000000 0.8660254038 -0.5000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 12_556 x,x-y,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 60.8330000000 B N ARG 67 B N ARG 8 B O ARG 81 B O ARG 22 1 A C GLU 34 A C GLU 15 0 Y 1 A CG GLU 34 A CG GLU 15 0 Y 1 A CD GLU 34 A CD GLU 15 0 Y 1 A OE1 GLU 34 A OE1 GLU 15 0 Y 1 A OE2 GLU 34 A OE2 GLU 15 0 Y 1 A CD LYS 37 A CD LYS 18 0 Y 1 A CE LYS 37 A CE LYS 18 0 Y 1 A NZ LYS 37 A NZ LYS 18 0 Y 1 A MET 20 A MET 1 1 Y 1 A THR 58 A THR 39 1 Y 1 A MET 59 A MET 40 1 Y 1 A GLY 60 A GLY 41 1 Y 1 A GLN 61 A GLN 42 1 Y 1 A GLN 62 A GLN 43 1 Y 1 A GLN 63 A GLN 44 1 Y 1 A GLN 64 A GLN 45 1 Y 1 A GLY 65 A GLY 46 1 Y 1 A MET 66 A MET 47 1 Y 1 B GLU 60 B GLU 1 1 Y 1 A A OE1 O GLU HOH 34 88 0.21 1 A A CD O GLU HOH 34 88 1.21 1 A A OE2 O GLU HOH 34 88 1.95 1 14.71 2.20 113.40 128.11 A A A CA CB CG GLU GLU GLU 34 34 34 N 1 21.77 2.70 114.20 135.97 A A A CB CG CD GLU GLU GLU 34 34 34 N 1 -12.70 1.20 123.30 110.60 A A A OE1 CD OE2 GLU GLU GLU 34 34 34 N 1 -7.69 1.20 123.30 115.61 A A A OE1 CD OE2 GLU GLU GLU 45 45 45 N 1 8.89 1.40 123.60 132.49 B B B CD NE CZ ARG ARG ARG 62 62 62 N 1 7.34 0.90 118.30 125.64 B B B CB CG OD1 ASP ASP ASP 71 71 71 N 1 A A OE2 OE2 GLU GLU 33 34 1.00 1_555 11_556 32.20 -6.10 -5.10 0.00 -9.00 0.00 23.90 0.3000000 0.2400000 1.80 22.0 795 7358 10.000 99.7 2.42 0.08 RANDOM 1 THROUGHOUT 0.000 MOLECULAR REPLACEMENT 0.14 0.15 PDB ENTRY 2CI2 1.80 22.0 55 541 5 0 481 0.016 0.020 0.034 0.040 0.033 0.050 1.640 2.000 2.380 3.000 2.570 2.000 3.860 3.000 0.026 0.030 0.150 0.150 0.190 0.300 0.250 0.300 0.090 0.300 4.700 7.000 16.900 15.000 8.800 20.000 15.000 23.50 1.800 22.300 1CQ4 8153 0.0810000 0.0780000 1 3.6000 10.60 99.7 0.3380000 1.80 1.90 2.300 0.3250000 1 10.80 100.0 phasing AMoRE refinement REFMAC data reduction MOSFLM data scaling CCP4 (SCALA) CI2 MUTANT WITH TETRAGLUTAMINE (MGQQQQGM) REPLACING MET59 1 N N 2 N N 3 N N 4 N N 4 N N A TRP 24 A TRP 5 HELX_P A VAL 28 A VAL 9 5 1 5 A SER 31 A SER 12 HELX_P A LYS 43 A LYS 24 1 2 13 HYDROLASE INHIBITOR SERINE PROTEASE INHIBITOR, POLYGLUTAMINE INSERTION MUTANT, SUBTILISIN- CHYMOTRYPSIN INHIBITOR-2, IMMUNE SYSTEM, HYDROLASE INHIBITOR ICI2_HORVU UNP 1 21 P01053 ICI2_HORVU UNP 2 60 P01053 21 59 1CQ4 21 58 P01053 A 1 2 39 60 83 1CQ4 60 83 P01053 B 2 1 24 1 LEU engineered mutation MET 20 1CQ4 A P01053 UNP 20 1 1 insertion GLY 60 1CQ4 A P01053 UNP 41 1 insertion GLN 61 1CQ4 A P01053 UNP 42 1 insertion GLN 62 1CQ4 A P01053 UNP 43 1 insertion GLN 63 1CQ4 A P01053 UNP 44 1 insertion GLN 64 1CQ4 A P01053 UNP 45 1 insertion GLY 65 1CQ4 A P01053 UNP 46 1 insertion MET 66 1CQ4 A P01053 UNP 47 2 anti-parallel B VAL 66 B VAL 7 B ARG 67 B ARG 8 B ARG 81 B ARG 22 B VAL 82 B VAL 23 BINDING SITE FOR RESIDUE SO4 B 1001 B SO4 1001 Software 5 B ARG 62 B ARG 3 5 5_555 B ARG 65 B ARG 6 5 5_555 B GLN 78 B GLN 19 5 1_555 B VAL 79 B VAL 20 5 1_555 B ARG 81 B ARG 22 5 1_555 177 P 6 2 2