0.020342 0.000000 0.000000 0.000000 0.011716 0.000000 0.000000 0.000000 0.031536 0.00000 0.00000 0.00000 Hyde, J. Braisted, A.C. Randal, M. Arkin, M.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 49.160 85.350 31.710 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 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 C14 H16 N2 O S 260.355 3-MERCAPTO-1-(1,3,4,9-TETRAHYDRO-B-CARBOLIN-2-YL)-PROPAN-1-ONE non-polymer 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 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 O N 159 N H N 160 N H N 161 N N N 162 S C N 163 N C N 164 N O N 165 S C N 166 N C N 167 N C N 168 N C N 169 N O 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 H N 181 N H N 182 N H N 183 N N N 184 S C N 185 N C N 186 N O N 187 N C N 188 N C N 189 N C N 190 N C N 191 N O 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 H N 203 N H N 204 N H N 205 N N N 206 S C N 207 N C N 208 N O N 209 N C N 210 N C N 211 N C N 212 N C N 213 N N N 214 N O 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 H N 228 N H N 229 N H N 230 N N N 231 S C N 232 N C N 233 N O N 234 N C N 235 N C N 236 N S N 237 N C N 238 N O 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 H N 248 N H N 249 N H N 250 N S N 251 N C N 252 N C N 253 N C N 254 N O N 255 N N N 256 N C N 257 N C Y 258 N C Y 259 N C N 260 N C Y 261 N N Y 262 N C Y 263 N C Y 264 N C Y 265 N C Y 266 N C Y 267 N C N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N H N 274 N H N 275 N H N 276 N H N 277 N H 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 N N 285 S C N 286 N C N 287 N O N 288 N C Y 289 N C Y 290 N C Y 291 N C Y 292 N C Y 293 N C Y 294 N C N 295 N O N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N H N 306 N H N 307 N N N 308 S C N 309 N C N 310 N O N 311 N C N 312 N C N 313 N C N 314 N O N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N H N 322 N H N 323 N H N 324 N N N 325 S C N 326 N C N 327 N O N 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 S N 339 N O N 340 N O N 341 N O N 342 N O N 343 N N N 344 S C N 345 N C N 346 N O N 347 R C N 348 N O N 349 N C N 350 N O 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 N N 361 S C N 362 N C N 363 N O N 364 N C Y 365 N C Y 366 N C Y 367 N C Y 368 N N Y 369 N C Y 370 N C Y 371 N C Y 372 N C Y 373 N C N 374 N O N 375 N H N 376 N H 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 N N 388 S C N 389 N C N 390 N O N 391 N C Y 392 N C Y 393 N C Y 394 N C Y 395 N C Y 396 N C Y 397 N C N 398 N O N 399 N O N 400 N H N 401 N H N 402 N H N 403 N H N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N N N 412 S C N 413 N C N 414 N O N 415 N C N 416 N C N 417 N C N 418 N O N 419 N H N 420 N H N 421 N H N 422 N H N 423 N H N 424 N H N 425 N H N 426 N H N 427 N H N 428 N H N 429 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 sing N 157 N sing N 158 N doub 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 sing N 178 N sing N 179 N doub 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 sing N 199 N sing N 200 N doub 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 sing N 223 N sing N 224 N doub 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 sing N 242 N sing N 243 N sing N 244 N sing N 245 N doub N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing Y 255 N doub Y 256 N sing N 257 N sing Y 258 N sing N 259 N sing N 260 N sing Y 261 N sing N 262 N sing Y 263 N doub Y 264 N sing Y 265 N sing Y 266 N doub N 267 N sing Y 268 N doub N 269 N sing Y 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 doub N 280 N sing N 281 N sing N 282 N sing N 283 N sing Y 284 N doub Y 285 N sing Y 286 N sing N 287 N sing Y 288 N doub N 289 N sing Y 290 N doub N 291 N sing Y 292 N sing N 293 N sing N 294 N sing 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 doub 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 sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N doub N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N doub N 327 N doub 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 sing N 335 N sing N 336 N doub 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 N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N doub N 353 N sing N 354 N sing N 355 N sing N 356 N sing Y 357 N doub Y 358 N sing Y 359 N sing N 360 N sing Y 361 N doub Y 362 N sing Y 363 N sing N 364 N sing Y 365 N sing Y 366 N doub N 367 N sing Y 368 N doub N 369 N sing Y 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing N 376 N sing N 377 N sing N 378 N sing N 379 N sing N 380 N doub N 381 N sing N 382 N sing N 383 N sing N 384 N sing Y 385 N doub Y 386 N sing Y 387 N sing N 388 N sing Y 389 N doub N 390 N sing Y 391 N doub N 392 N sing Y 393 N sing N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N doub N 405 N sing N 406 N sing N 407 N sing N 408 N sing N 409 N sing N 410 N sing N 411 N sing N 412 N sing N 413 N sing N 414 N sing N 415 N sing US Biochemistry BICHAW 0033 0006-2960 42 6475 6483 10.1021/bi034138g 12767230 Discovery and characterization of cooperative ligand binding in the adaptive region of interleukin-2 2003 10.2210/pdb1nbp/pdb pdb_00001nbp 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 1 mirrors IMAGE PLATE 2001-08-17 RIGAKU RAXIS IV yale miorrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU 15375.948 Interleukin-2 Y31C 1 man polymer 96.063 SULFATE ION 1 syn non-polymer 260.355 3-MERCAPTO-1-(1,3,4,9-TETRAHYDRO-B-CARBOLIN-2-YL)-PROPAN-1-ONE 1 syn non-polymer 18.015 water 49 nat water IL-2, T-cell growth factor, TCGF, Aldesleukin no no APTSSSTKKTQLQLEHLLLDLQMILNGINNCKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT APTSSSTKKTQLQLEHLLLDLQMILNGINNCKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT 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 human Homo Escherichia Escherichia coli sample IL2 9606 Homo sapiens 511693 Escherichia coli BL21 BL21 plasmid pRSET 1 2.19 43.34 VAPOR DIFFUSION, HANGING DROP 7.5 ammonium sulfate, PEG 8k, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 software database_2 struct_conn struct_ref_seq_dif struct_site chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Refinement description Database references Derived calculations Data collection Refinement description 1 0 2002-12-18 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-10-11 1 4 2021-10-27 1 5 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2002-12-03 REL REL SO4 SULFATE ION MHC 3-MERCAPTO-1-(1,3,4,9-TETRAHYDRO-B-CARBOLIN-2-YL)-PROPAN-1-ONE HOH water 1M4A PDB ENTRY 1M4A PDB experimental model SUL 1 2 SO4 SO4 134 A FRG 1 3 MHC MHC 201 A HOH 2 4 HOH HOH 202 A HOH 3 4 HOH HOH 203 A HOH 4 4 HOH HOH 204 A HOH 5 4 HOH HOH 205 A HOH 6 4 HOH HOH 206 A HOH 7 4 HOH HOH 207 A HOH 8 4 HOH HOH 208 A HOH 9 4 HOH HOH 209 A HOH 10 4 HOH HOH 210 A HOH 11 4 HOH HOH 211 A HOH 12 4 HOH HOH 212 A HOH 13 4 HOH HOH 213 A HOH 14 4 HOH HOH 214 A HOH 15 4 HOH HOH 215 A HOH 16 4 HOH HOH 216 A HOH 17 4 HOH HOH 217 A HOH 18 4 HOH HOH 218 A HOH 19 4 HOH HOH 219 A HOH 20 4 HOH HOH 220 A HOH 21 4 HOH HOH 221 A HOH 22 4 HOH HOH 222 A HOH 23 4 HOH HOH 223 A HOH 24 4 HOH HOH 224 A HOH 25 4 HOH HOH 225 A HOH 26 4 HOH HOH 226 A HOH 27 4 HOH HOH 227 A HOH 28 4 HOH HOH 228 A HOH 29 4 HOH HOH 229 A HOH 30 4 HOH HOH 230 A HOH 31 4 HOH HOH 231 A HOH 32 4 HOH HOH 232 A HOH 33 4 HOH HOH 233 A HOH 34 4 HOH HOH 234 A HOH 35 4 HOH HOH 235 A HOH 36 4 HOH HOH 236 A HOH 37 4 HOH HOH 237 A HOH 38 4 HOH HOH 238 A HOH 39 4 HOH HOH 239 A HOH 40 4 HOH HOH 240 A HOH 41 4 HOH HOH 241 A HOH 42 4 HOH HOH 242 A HOH 43 4 HOH HOH 243 A HOH 44 4 HOH HOH 244 A HOH 45 4 HOH HOH 245 A HOH 46 4 HOH HOH 246 A HOH 47 4 HOH HOH 247 A HOH 48 4 HOH HOH 248 A HOH 49 4 HOH HOH 249 A HOH 50 4 HOH HOH 250 A n 1 1 A n 2 2 A n 3 3 A n 4 4 A n 5 5 A SER 6 n 6 SER 6 A THR 7 n 7 THR 7 A LYS 8 n 8 LYS 8 A LYS 9 n 9 LYS 9 A THR 10 n 10 THR 10 A GLN 11 n 11 GLN 11 A LEU 12 n 12 LEU 12 A GLN 13 n 13 GLN 13 A LEU 14 n 14 LEU 14 A GLU 15 n 15 GLU 15 A HIS 16 n 16 HIS 16 A LEU 17 n 17 LEU 17 A LEU 18 n 18 LEU 18 A LEU 19 n 19 LEU 19 A ASP 20 n 20 ASP 20 A LEU 21 n 21 LEU 21 A GLN 22 n 22 GLN 22 A MET 23 n 23 MET 23 A ILE 24 n 24 ILE 24 A LEU 25 n 25 LEU 25 A ASN 26 n 26 ASN 26 A GLY 27 n 27 GLY 27 A ILE 28 n 28 ILE 28 A ASN 29 n 29 ASN 29 A ASN 30 n 30 ASN 30 A CYS 31 n 31 CYS 31 A LYS 32 n 32 LYS 32 A ASN 33 n 33 ASN 33 A PRO 34 n 34 PRO 34 A LYS 35 n 35 LYS 35 A LEU 36 n 36 LEU 36 A THR 37 n 37 THR 37 A ARG 38 n 38 ARG 38 A MET 39 n 39 MET 39 A LEU 40 n 40 LEU 40 A THR 41 n 41 THR 41 A PHE 42 n 42 PHE 42 A LYS 43 n 43 LYS 43 A PHE 44 n 44 PHE 44 A TYR 45 n 45 TYR 45 A MET 46 n 46 MET 46 A PRO 47 n 47 PRO 47 A LYS 48 n 48 LYS 48 A LYS 49 n 49 LYS 49 A ALA 50 n 50 ALA 50 A THR 51 n 51 THR 51 A GLU 52 n 52 GLU 52 A LEU 53 n 53 LEU 53 A LYS 54 n 54 LYS 54 A HIS 55 n 55 HIS 55 A LEU 56 n 56 LEU 56 A GLN 57 n 57 GLN 57 A CYS 58 n 58 CYS 58 A LEU 59 n 59 LEU 59 A GLU 60 n 60 GLU 60 A GLU 61 n 61 GLU 61 A GLU 62 n 62 GLU 62 A LEU 63 n 63 LEU 63 A LYS 64 n 64 LYS 64 A PRO 65 n 65 PRO 65 A LEU 66 n 66 LEU 66 A GLU 67 n 67 GLU 67 A GLU 68 n 68 GLU 68 A VAL 69 n 69 VAL 69 A LEU 70 n 70 LEU 70 A ASN 71 n 71 ASN 71 A LEU 72 n 72 LEU 72 A ALA 73 n 73 ALA 73 A GLN 74 n 74 GLN 74 A n 75 75 A n 76 76 A n 77 77 A PHE 78 n 78 PHE 78 A HIS 79 n 79 HIS 79 A LEU 80 n 80 LEU 80 A ALA 81 n 81 ARG 81 A PRO 82 n 82 PRO 82 A ARG 83 n 83 ARG 83 A ASP 84 n 84 ASP 84 A LEU 85 n 85 LEU 85 A ILE 86 n 86 ILE 86 A SER 87 n 87 SER 87 A ASN 88 n 88 ASN 88 A ILE 89 n 89 ILE 89 A ASN 90 n 90 ASN 90 A VAL 91 n 91 VAL 91 A ILE 92 n 92 ILE 92 A VAL 93 n 93 VAL 93 A LEU 94 n 94 LEU 94 A GLU 95 n 95 GLU 95 A LEU 96 n 96 LEU 96 A LYS 97 n 97 LYS 97 A GLY 98 n 98 GLY 98 A n 99 99 A n 100 100 A n 101 101 A n 102 102 A PHE 103 n 103 PHE 103 A MET 104 n 104 MET 104 A CYS 105 n 105 CYS 105 A GLU 106 n 106 GLU 106 A TYR 107 n 107 TYR 107 A ALA 108 n 108 ALA 108 A ASP 109 n 109 ASP 109 A GLU 110 n 110 GLU 110 A THR 111 n 111 THR 111 A ALA 112 n 112 ALA 112 A THR 113 n 113 THR 113 A ILE 114 n 114 ILE 114 A VAL 115 n 115 VAL 115 A GLU 116 n 116 GLU 116 A PHE 117 n 117 PHE 117 A LEU 118 n 118 LEU 118 A ASN 119 n 119 ASN 119 A ARG 120 n 120 ARG 120 A TRP 121 n 121 TRP 121 A ILE 122 n 122 ILE 122 A THR 123 n 123 THR 123 A PHE 124 n 124 PHE 124 A CYS 125 n 125 CYS 125 A GLN 126 n 126 GLN 126 A SER 127 n 127 SER 127 A ILE 128 n 128 ILE 128 A ILE 129 n 129 ILE 129 A SER 130 n 130 SER 130 A THR 131 n 131 THR 131 A LEU 132 n 132 LEU 132 A THR 133 n 133 THR 133 A author_defined_assembly 1 monomeric 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 A CG ARG 81 A CG ARG 81 1 Y 1 A CD ARG 81 A CD ARG 81 1 Y 1 A NE ARG 81 A NE ARG 81 1 Y 1 A CZ ARG 81 A CZ ARG 81 1 Y 1 A NH1 ARG 81 A NH1 ARG 81 1 Y 1 A NH2 ARG 81 A NH2 ARG 81 1 Y 1 A ALA 1 A ALA 1 1 Y 1 A PRO 2 A PRO 2 1 Y 1 A THR 3 A THR 3 1 Y 1 A SER 4 A SER 4 1 Y 1 A SER 5 A SER 5 1 Y 1 A SER 75 A SER 75 1 Y 1 A LYS 76 A LYS 76 1 Y 1 A ASN 77 A ASN 77 1 Y 1 A SER 99 A SER 99 1 Y 1 A GLU 100 A GLU 100 1 Y 1 A THR 101 A THR 101 1 Y 1 A THR 102 A THR 102 1 Y 28.507 -1.03 0.00 0.00 1.10 0.00 -0.06 0.928 0.893 0.27734 0.22799 0.23034 0.23034 2.20 10.0 342 7042 6660 4.9 98.22 6.077 0.177 RANDOM 1 isotropic THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.338 0.249 0.80 0.80 1.40 PDB ENTRY 1M4A MAXIMUM LIKELIHOOD MASK 2.20 10.0 49 1057 23 0 985 0.006 0.022 1025 1.191 2.009 1382 3.987 5.000 118 0.058 0.200 164 0.002 0.020 720 0.165 0.200 474 0.094 0.200 38 0.154 0.200 30 0.043 0.200 4 2.224 3.500 604 3.407 6.000 983 3.061 4.000 421 4.315 7.000 399 0.332 0.265 2.273 38 613 15 33 2.2 20. 1NBP 7096 0.0 0.0 0.069 0.069 1 17.5 3.1 98.2 0.253 2.20 2.28 5.5 715 0.253 3.1 96.9 data reduction d*TREK phasing AMoRE refinement REFMAC 5.1.19 data scaling d*TREK Crystal Structure Of Human Interleukin-2 Y31C Covalently Modified At C31 With 3-Mercapto-1-(1,3,4,9-tetrahydro-B-carbolin-2-yl)-propan-1-one 1 N N 2 N N 3 N N 4 N N A SER 6 A SER 6 HELX_P A ASN 29 A ASN 29 1 1 24 A LYS 32 A LYS 32 HELX_P A LEU 40 A LEU 40 1 2 9 A GLU 52 A GLU 52 HELX_P A HIS 55 A HIS 55 5 3 4 A LEU 56 A LEU 56 HELX_P A GLU 61 A GLU 61 1 4 6 A GLU 62 A GLU 62 HELX_P A ALA 73 A ALA 73 1 5 12 A ARG 81 A ARG 81 HELX_P A GLY 98 A GLY 98 1 6 18 A THR 113 A THR 113 HELX_P A SER 130 A SER 130 1 7 18 disulf 2.029 A CYS 58 A SG CYS 58 1_555 A CYS 105 A SG CYS 105 1_555 covale 2.036 none A CYS 31 A SG CYS 31 1_555 A MHC 201 C S1 MHC 1_555 CYTOKINE CYTOKINE, FOUR-HELIX BUNDLE, SMALL MOLECULE COMPLEX IL2_HUMAN UNP 1 21 P60568 APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT 21 153 1NBP 1 133 P60568 A 1 1 133 1 TYR engineered mutation CYS 31 1NBP A P60568 UNP 51 31 BINDING SITE FOR RESIDUE SO4 A 134 A SO4 134 Software 4 BINDING SITE FOR RESIDUE MHC A 201 A MHC 201 Software 8 A LYS 49 A LYS 49 4 1_555 A LYS 54 A LYS 54 4 1_555 A HIS 55 A HIS 55 4 1_555 A THR 133 A THR 133 4 2_565 A GLY 27 A GLY 27 8 1_555 A CYS 31 A CYS 31 8 1_555 A LEU 70 A LEU 70 8 1_555 A ALA 73 A ALA 73 8 1_555 A GLN 74 A GLN 74 8 1_555 A PHE 78 A PHE 78 8 1_555 A PRO 82 A PRO 82 8 1_555 A LEU 85 A LEU 85 8 1_555 18 P 21 21 2