0.019814 0.000000 0.000000 0.000000 0.017235 0.000000 0.000000 0.000000 0.010743 0.00000 0.00000 0.00000 Arkin, M.A. Randal, M. DeLano, W.L. Hyde, J. Luong, T.N. Oslob, J.D. Raphael, D.R. Taylor, L. Wang, J. McDowell, R.S. Wells, J.A. Braisted, A.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 50.470 58.020 93.080 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 C26 H30 N4 O3 446.541 2-[3-METHYL-4-(N-METHYL-GUANIDINO)-BUTYRYLAMINO]-3-(4-PHENYLETHYNYL-PHENYL)-PROPIONIC ACID METHYL ESTER (R)-N-[2-[1-(AMINOIMINOMETHYL)-3-PIPERIDINYL]-1-OXOETHYL]-4-(PHENYLETHYNYL)-L-PHENYLALANINE METHYL ESTER non-polymer 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 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 100 1603 1608 10.1073/pnas.252756299 12582206 Binding of small molecules to an adaptive protein-protein interface 2003 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 2000-02-23 RIGAKU RAXIS IV yale mirrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU 15435.979 interleukin-2 2 man polymer 446.541 2-[3-METHYL-4-(N-METHYL-GUANIDINO)-BUTYRYLAMINO]-3-(4-PHENYLETHYNYL-PHENYL)-PROPIONIC ACID METHYL ESTER 2 syn non-polymer 18.015 water 214 nat water IL-2, T-CELL GROWTH FACTOR, TCGF, ALDESLEUKIN no no APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT A,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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 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 9606 Homo sapiens 511693 Escherichia coli BL21 BL21 plasmid pRSET 1 2.21 44.25 VAPOR DIFFUSION, HANGING DROP 7.0 pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 software repository Initial release Version format compliance Version format compliance Refinement description 1 0 2002-07-31 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-10-11 1m47 is the Crystal Structure of Human Interleukin-2 1m49 is the crystal structure of human interleukin-2 complexed with SP-1985 1m4a is the crystal structure of human interleukin-2 Y31C covalently modified at C31 with (1H-Indol-3-yl)-(2-mercapto-ethoxyimino)-acetic acid 1m4b is the crystal structure of human interleukin-2 K43C covalently modified at C43 with 2-[2-(2-Cyclohexyl-2-guanidino-acetylamino)-acetylamino]-N-(3-mercapto-propyl)-propionamide 1M4C is the crystal structure of human interleukin-2 RCSB Y RCSB 2002-07-02 REL REL FRG 2-[3-METHYL-4-(N-METHYL-GUANIDINO)-BUTYRYLAMINO]-3-(4-PHENYLETHYNYL-PHENYL)-PROPIONIC ACID METHYL ESTER HOH water FRG 301 2 FRG FRG 301 A FRG 302 2 FRG FRG 302 B HOH 1 3 HOH HOH 302 A HOH 4 3 HOH HOH 303 A HOH 6 3 HOH HOH 304 A HOH 7 3 HOH HOH 305 A HOH 9 3 HOH HOH 306 A HOH 11 3 HOH HOH 307 A HOH 12 3 HOH HOH 308 A HOH 13 3 HOH HOH 309 A HOH 14 3 HOH HOH 310 A HOH 16 3 HOH HOH 311 A HOH 17 3 HOH HOH 312 A HOH 18 3 HOH HOH 313 A HOH 19 3 HOH HOH 314 A HOH 20 3 HOH HOH 315 A HOH 21 3 HOH HOH 316 A HOH 23 3 HOH HOH 317 A HOH 24 3 HOH HOH 318 A HOH 29 3 HOH HOH 319 A HOH 31 3 HOH HOH 320 A HOH 33 3 HOH HOH 321 A HOH 34 3 HOH HOH 322 A HOH 36 3 HOH HOH 323 A HOH 37 3 HOH HOH 324 A HOH 38 3 HOH HOH 325 A HOH 39 3 HOH HOH 326 A HOH 40 3 HOH HOH 327 A HOH 41 3 HOH HOH 328 A HOH 42 3 HOH HOH 329 A HOH 44 3 HOH HOH 330 A HOH 46 3 HOH HOH 331 A HOH 47 3 HOH HOH 332 A HOH 49 3 HOH HOH 333 A HOH 50 3 HOH HOH 334 A HOH 54 3 HOH HOH 335 A HOH 55 3 HOH HOH 336 A HOH 56 3 HOH HOH 337 A HOH 57 3 HOH HOH 338 A HOH 58 3 HOH HOH 339 A HOH 61 3 HOH HOH 340 A HOH 63 3 HOH HOH 341 A HOH 64 3 HOH HOH 342 A HOH 65 3 HOH HOH 343 A HOH 67 3 HOH HOH 344 A HOH 68 3 HOH HOH 345 A HOH 70 3 HOH HOH 346 A HOH 72 3 HOH HOH 347 A HOH 75 3 HOH HOH 348 A HOH 81 3 HOH HOH 349 A HOH 83 3 HOH HOH 350 A HOH 86 3 HOH HOH 351 A HOH 89 3 HOH HOH 352 A HOH 91 3 HOH HOH 353 A HOH 92 3 HOH HOH 354 A HOH 93 3 HOH HOH 355 A HOH 97 3 HOH HOH 356 A HOH 99 3 HOH HOH 357 A HOH 100 3 HOH HOH 358 A HOH 101 3 HOH HOH 359 A HOH 102 3 HOH HOH 360 A HOH 103 3 HOH HOH 361 A HOH 104 3 HOH HOH 362 A HOH 105 3 HOH HOH 363 A HOH 106 3 HOH HOH 364 A HOH 107 3 HOH HOH 365 A HOH 108 3 HOH HOH 366 A HOH 110 3 HOH HOH 367 A HOH 114 3 HOH HOH 368 A HOH 116 3 HOH HOH 369 A HOH 117 3 HOH HOH 370 A HOH 118 3 HOH HOH 371 A HOH 120 3 HOH HOH 372 A HOH 121 3 HOH HOH 373 A HOH 123 3 HOH HOH 374 A HOH 130 3 HOH HOH 375 A HOH 131 3 HOH HOH 376 A HOH 136 3 HOH HOH 377 A HOH 138 3 HOH HOH 378 A HOH 139 3 HOH HOH 379 A HOH 140 3 HOH HOH 380 A HOH 142 3 HOH HOH 381 A HOH 143 3 HOH HOH 382 A HOH 144 3 HOH HOH 383 A HOH 147 3 HOH HOH 384 A HOH 148 3 HOH HOH 385 A HOH 154 3 HOH HOH 386 A HOH 155 3 HOH HOH 387 A HOH 157 3 HOH HOH 388 A HOH 158 3 HOH HOH 389 A HOH 159 3 HOH HOH 390 A HOH 160 3 HOH HOH 391 A HOH 161 3 HOH HOH 392 A HOH 163 3 HOH HOH 393 A HOH 165 3 HOH HOH 394 A HOH 167 3 HOH HOH 395 A HOH 169 3 HOH HOH 396 A HOH 170 3 HOH HOH 397 A HOH 171 3 HOH HOH 398 A HOH 173 3 HOH HOH 399 A HOH 176 3 HOH HOH 400 A HOH 180 3 HOH HOH 401 A HOH 182 3 HOH HOH 402 A HOH 183 3 HOH HOH 403 A HOH 185 3 HOH HOH 404 A HOH 189 3 HOH HOH 405 A HOH 192 3 HOH HOH 406 A HOH 193 3 HOH HOH 407 A HOH 195 3 HOH HOH 408 A HOH 197 3 HOH HOH 409 A HOH 199 3 HOH HOH 410 A HOH 203 3 HOH HOH 411 A HOH 204 3 HOH HOH 412 A HOH 208 3 HOH HOH 413 A HOH 214 3 HOH HOH 414 A HOH 2 3 HOH HOH 303 B HOH 3 3 HOH HOH 304 B HOH 5 3 HOH HOH 305 B HOH 8 3 HOH HOH 306 B HOH 10 3 HOH HOH 307 B HOH 15 3 HOH HOH 308 B HOH 22 3 HOH HOH 309 B HOH 25 3 HOH HOH 310 B HOH 26 3 HOH HOH 311 B HOH 27 3 HOH HOH 312 B HOH 28 3 HOH HOH 313 B HOH 30 3 HOH HOH 314 B HOH 32 3 HOH HOH 315 B HOH 35 3 HOH HOH 316 B HOH 43 3 HOH HOH 317 B HOH 45 3 HOH HOH 318 B HOH 48 3 HOH HOH 319 B HOH 51 3 HOH HOH 320 B HOH 52 3 HOH HOH 321 B HOH 53 3 HOH HOH 322 B HOH 59 3 HOH HOH 323 B HOH 60 3 HOH HOH 324 B HOH 62 3 HOH HOH 325 B HOH 66 3 HOH HOH 326 B HOH 69 3 HOH HOH 327 B HOH 71 3 HOH HOH 328 B HOH 73 3 HOH HOH 329 B HOH 74 3 HOH HOH 330 B HOH 76 3 HOH HOH 331 B HOH 77 3 HOH HOH 332 B HOH 78 3 HOH HOH 333 B HOH 79 3 HOH HOH 334 B HOH 80 3 HOH HOH 335 B HOH 82 3 HOH HOH 336 B HOH 84 3 HOH HOH 337 B HOH 85 3 HOH HOH 338 B HOH 87 3 HOH HOH 339 B HOH 88 3 HOH HOH 340 B HOH 90 3 HOH HOH 341 B HOH 94 3 HOH HOH 342 B HOH 95 3 HOH HOH 343 B HOH 96 3 HOH HOH 344 B HOH 98 3 HOH HOH 345 B HOH 109 3 HOH HOH 346 B HOH 111 3 HOH HOH 347 B HOH 112 3 HOH HOH 348 B HOH 113 3 HOH HOH 349 B HOH 115 3 HOH HOH 350 B HOH 119 3 HOH HOH 351 B HOH 122 3 HOH HOH 352 B HOH 124 3 HOH HOH 353 B HOH 125 3 HOH HOH 354 B HOH 126 3 HOH HOH 355 B HOH 127 3 HOH HOH 356 B HOH 128 3 HOH HOH 357 B HOH 129 3 HOH HOH 358 B HOH 132 3 HOH HOH 359 B HOH 133 3 HOH HOH 360 B HOH 134 3 HOH HOH 361 B HOH 135 3 HOH HOH 362 B HOH 137 3 HOH HOH 363 B HOH 141 3 HOH HOH 364 B HOH 145 3 HOH HOH 365 B HOH 146 3 HOH HOH 366 B HOH 149 3 HOH HOH 367 B HOH 150 3 HOH HOH 368 B HOH 151 3 HOH HOH 369 B HOH 152 3 HOH HOH 370 B HOH 153 3 HOH HOH 371 B HOH 156 3 HOH HOH 372 B HOH 162 3 HOH HOH 373 B HOH 164 3 HOH HOH 374 B HOH 166 3 HOH HOH 375 B HOH 168 3 HOH HOH 376 B HOH 172 3 HOH HOH 377 B HOH 174 3 HOH HOH 378 B HOH 175 3 HOH HOH 379 B HOH 177 3 HOH HOH 380 B HOH 178 3 HOH HOH 381 B HOH 179 3 HOH HOH 382 B HOH 181 3 HOH HOH 383 B HOH 184 3 HOH HOH 384 B HOH 186 3 HOH HOH 385 B HOH 187 3 HOH HOH 386 B HOH 188 3 HOH HOH 387 B HOH 190 3 HOH HOH 388 B HOH 191 3 HOH HOH 389 B HOH 194 3 HOH HOH 390 B HOH 196 3 HOH HOH 391 B HOH 198 3 HOH HOH 392 B HOH 200 3 HOH HOH 393 B HOH 201 3 HOH HOH 394 B HOH 202 3 HOH HOH 395 B HOH 205 3 HOH HOH 396 B HOH 206 3 HOH HOH 397 B HOH 207 3 HOH HOH 398 B HOH 209 3 HOH HOH 399 B HOH 210 3 HOH HOH 400 B HOH 211 3 HOH HOH 401 B HOH 212 3 HOH HOH 402 B HOH 213 3 HOH HOH 403 B n 1 1 A n 2 2 A n 3 3 A SER 4 n 4 SER 4 A SER 5 n 5 SER 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 TYR 31 n 31 TYR 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 n 78 78 A n 79 79 A n 80 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 SER 99 n 99 SER 99 A GLU 100 n 100 GLU 100 A THR 101 n 101 THR 101 A THR 102 n 102 THR 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 n 133 133 A n 1 1 B n 2 2 B n 3 3 B SER 4 n 4 SER 4 B SER 5 n 5 SER 5 B SER 6 n 6 SER 6 B THR 7 n 7 THR 7 B LYS 8 n 8 LYS 8 B LYS 9 n 9 LYS 9 B THR 10 n 10 THR 10 B GLN 11 n 11 GLN 11 B LEU 12 n 12 LEU 12 B GLN 13 n 13 GLN 13 B LEU 14 n 14 LEU 14 B GLU 15 n 15 GLU 15 B HIS 16 n 16 HIS 16 B LEU 17 n 17 LEU 17 B LEU 18 n 18 LEU 18 B LEU 19 n 19 LEU 19 B ASP 20 n 20 ASP 20 B LEU 21 n 21 LEU 21 B GLN 22 n 22 GLN 22 B MET 23 n 23 MET 23 B ILE 24 n 24 ILE 24 B LEU 25 n 25 LEU 25 B ASN 26 n 26 ASN 26 B GLY 27 n 27 GLY 27 B ILE 28 n 28 ILE 28 B ASN 29 n 29 ASN 29 B ASN 30 n 30 ASN 30 B TYR 31 n 31 TYR 31 B LYS 32 n 32 LYS 32 B ASN 33 n 33 ASN 33 B PRO 34 n 34 PRO 34 B LYS 35 n 35 LYS 35 B LEU 36 n 36 LEU 36 B THR 37 n 37 THR 37 B ARG 38 n 38 ARG 38 B MET 39 n 39 MET 39 B LEU 40 n 40 LEU 40 B THR 41 n 41 THR 41 B PHE 42 n 42 PHE 42 B LYS 43 n 43 LYS 43 B PHE 44 n 44 PHE 44 B TYR 45 n 45 TYR 45 B MET 46 n 46 MET 46 B PRO 47 n 47 PRO 47 B LYS 48 n 48 LYS 48 B LYS 49 n 49 LYS 49 B ALA 50 n 50 ALA 50 B THR 51 n 51 THR 51 B GLU 52 n 52 GLU 52 B LEU 53 n 53 LEU 53 B LYS 54 n 54 LYS 54 B HIS 55 n 55 HIS 55 B LEU 56 n 56 LEU 56 B GLN 57 n 57 GLN 57 B CYS 58 n 58 CYS 58 B LEU 59 n 59 LEU 59 B GLU 60 n 60 GLU 60 B GLU 61 n 61 GLU 61 B GLU 62 n 62 GLU 62 B LEU 63 n 63 LEU 63 B LYS 64 n 64 LYS 64 B PRO 65 n 65 PRO 65 B LEU 66 n 66 LEU 66 B GLU 67 n 67 GLU 67 B GLU 68 n 68 GLU 68 B VAL 69 n 69 VAL 69 B LEU 70 n 70 LEU 70 B ASN 71 n 71 ASN 71 B LEU 72 n 72 LEU 72 B ALA 73 n 73 ALA 73 B GLN 74 n 74 GLN 74 B SER 75 n 75 SER 75 B LYS 76 n 76 LYS 76 B ASN 77 n 77 ASN 77 B PHE 78 n 78 PHE 78 B n 79 79 B n 80 80 B n 81 81 B n 82 82 B ARG 83 n 83 ARG 83 B ASP 84 n 84 ASP 84 B LEU 85 n 85 LEU 85 B ILE 86 n 86 ILE 86 B SER 87 n 87 SER 87 B ASN 88 n 88 ASN 88 B ILE 89 n 89 ILE 89 B ASN 90 n 90 ASN 90 B VAL 91 n 91 VAL 91 B ILE 92 n 92 ILE 92 B VAL 93 n 93 VAL 93 B LEU 94 n 94 LEU 94 B GLU 95 n 95 GLU 95 B LEU 96 n 96 LEU 96 B LYS 97 n 97 LYS 97 B GLY 98 n 98 GLY 98 B SER 99 n 99 SER 99 B GLU 100 n 100 GLU 100 B THR 101 n 101 THR 101 B THR 102 n 102 THR 102 B PHE 103 n 103 PHE 103 B MET 104 n 104 MET 104 B CYS 105 n 105 CYS 105 B GLU 106 n 106 GLU 106 B TYR 107 n 107 TYR 107 B ALA 108 n 108 ALA 108 B ASP 109 n 109 ASP 109 B GLU 110 n 110 GLU 110 B THR 111 n 111 THR 111 B ALA 112 n 112 ALA 112 B THR 113 n 113 THR 113 B ILE 114 n 114 ILE 114 B VAL 115 n 115 VAL 115 B GLU 116 n 116 GLU 116 B PHE 117 n 117 PHE 117 B LEU 118 n 118 LEU 118 B ASN 119 n 119 ASN 119 B ARG 120 n 120 ARG 120 B TRP 121 n 121 TRP 121 B ILE 122 n 122 ILE 122 B THR 123 n 123 THR 123 B PHE 124 n 124 PHE 124 B CYS 125 n 125 CYS 125 B GLN 126 n 126 GLN 126 B SER 127 n 127 SER 127 B ILE 128 n 128 ILE 128 B ILE 129 n 129 ILE 129 B SER 130 n 130 SER 130 B THR 131 n 131 THR 131 B LEU 132 n 132 LEU 132 B THR 133 n 133 THR 133 B author_defined_assembly 1 monomeric 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 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 PHE 78 A PHE 78 1 Y 1 A HIS 79 A HIS 79 1 Y 1 A LEU 80 A LEU 80 1 Y 1 A THR 133 A THR 133 1 Y 1 B ALA 1 B ALA 1 1 Y 1 B PRO 2 B PRO 2 1 Y 1 B THR 3 B THR 3 1 Y 1 B HIS 79 B HIS 79 1 Y 1 B LEU 80 B LEU 80 1 Y 1 B ARG 81 B ARG 81 1 Y 1 B PRO 82 B PRO 82 1 Y 1 B B NH2 CD2 ARG TYR 83 107 1.78 1_555 3_555 1 A A NH2 OE1 ARG GLU 83 110 2.14 1_555 4_455 1 A ALA 73 -104.29 46.03 1 B ASP 84 -107.73 62.51 1 B LEU 132 -108.53 61.76 33.028 0.84 0.00 0.00 0.71 0.00 -1.55 0.954 0.903 0.26891 0.19716 0.20046 0.20046 1.95 10.00 974 19081 19081 4.9 98.41 RANDOM 1 isotropic THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.190 0.186 0.80 0.80 1.40 MAXIMUM LIKELIHOOD MASK 1.95 10.00 214 2305 66 0 2025 0.008 0.022 2125 1.422 2.016 2864 2.778 5.000 245 0.121 0.200 342 0.005 0.020 1501 0.220 0.200 1082 0.112 0.200 121 0.341 0.200 89 0.286 0.200 20 3.259 2.500 1244 5.027 5.000 2030 3.744 2.500 881 5.354 5.000 834 0.389 0.303 2.016 95 1751 1846 15 94.3 23.7 1.95 10.0 1M48 20214 20214 0 0 0.059 0.059 1 11.4 2.65 98.1 0.357 1.95 2.016 3.1 1846 0.357 2.4 94.3 data reduction d*TREK phasing AMoRE refinement REFMAC 5.1.19 data scaling d*TREK interleukin-2 Crystal Structure of Human IL-2 Complexed with (R)-N-[2-[1-(Aminoiminomethyl)-3-piperidinyl]-1-oxoethyl]-4-(phenylethynyl)-L-phenylalanine methyl ester 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N A SER 5 A SER 5 HELX_P A ASN 29 A ASN 29 1 1 25 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 THR 131 A THR 131 1 7 19 B SER 4 B SER 4 HELX_P B ASN 30 B ASN 30 1 8 27 B PRO 34 B PRO 34 HELX_P B LEU 40 B LEU 40 1 9 7 B GLU 52 B GLU 52 HELX_P B HIS 55 B HIS 55 5 10 4 B LEU 56 B LEU 56 HELX_P B GLU 61 B GLU 61 1 11 6 B GLU 62 B GLU 62 HELX_P B SER 75 B SER 75 1 12 14 B ASP 84 B ASP 84 HELX_P B GLY 98 B GLY 98 1 13 15 B THR 113 B THR 113 HELX_P B LEU 132 B LEU 132 1 14 20 disulf 2.066 A CYS 58 A SG CYS 58 1_555 A CYS 105 A SG CYS 105 1_555 disulf 2.036 B CYS 58 B SG CYS 58 1_555 B CYS 105 B SG CYS 105 1_555 CYTOKINE interleukin-2, four-helix bundle, small molecule complex, CYTOKINE IL2_HUMAN UNP 1 21 P60568 APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT 21 153 1M48 1 133 P60568 A 1 1 133 21 153 1M48 1 133 P60568 B 1 1 133 BINDING SITE FOR RESIDUE FRG A 301 Software 16 BINDING SITE FOR RESIDUE FRG B 302 Software 20 A LYS 35 A LYS 35 16 1_555 A ARG 38 A ARG 38 16 1_555 A MET 39 A MET 39 16 1_555 A THR 41 A THR 41 16 1_555 A PHE 42 A PHE 42 16 1_555 A LYS 43 A LYS 43 16 1_555 A PHE 44 A PHE 44 16 1_555 A TYR 45 A TYR 45 16 1_555 A THR 51 A THR 51 16 4_455 A GLU 62 A GLU 62 16 1_555 A PRO 65 A PRO 65 16 1_555 A LEU 72 A LEU 72 16 1_555 A ALA 73 A ALA 73 16 1_555 A SER 127 A SER 127 16 4_455 A HOH 307 E HOH 16 4_455 A HOH 357 E HOH 16 1_555 A GLU 60 A GLU 60 20 3_545 A LYS 64 A LYS 64 20 3_545 A GLU 67 A GLU 67 20 3_545 A ARG 83 A ARG 83 20 3_545 A ILE 86 A ILE 86 20 3_545 A SER 87 A SER 87 20 3_545 A ASN 90 A ASN 90 20 3_545 A VAL 91 A VAL 91 20 3_545 B LYS 35 B LYS 35 20 1_555 B THR 41 B THR 41 20 1_555 B PHE 42 B PHE 42 20 1_555 B LYS 43 B LYS 43 20 1_555 B PHE 44 B PHE 44 20 1_555 B TYR 45 B TYR 45 20 1_555 B GLU 62 B GLU 62 20 1_555 B PRO 65 B PRO 65 20 1_555 B LEU 72 B LEU 72 20 1_555 B HOH 335 F HOH 20 1_555 B HOH 336 F HOH 20 1_555 B HOH 375 F HOH 20 1_555 19 P 21 21 21