0.020217 0.000000 0.000000 0.000000 0.011796 0.000000 0.000000 0.000000 0.031534 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. Wells, J.A. McDowell, R.S. Wells, J.A. Braisted, A.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 49.465 84.777 31.712 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 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 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 IMAGE PLATE 2002-01-27 MARRESEARCH synchrotron SINGLE WAVELENGTH M x-ray 1 1.08 1.0 BL7-1 SSRL 1.08 SYNCHROTRON SSRL BEAMLINE BL7-1 15435.979 interleukin-2 1 man polymer 96.063 SULFATE ION 2 syn non-polymer 18.015 water 46 nat water IL-2, T-CELL GROWTH FACTOR, TCGF, ALDESLEUKIN no no APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL 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 9606 Homo sapiens 511693 Escherichia coli BL21 BL21 plasmid pRSET 1 2.15 42.87 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 Database references Structure summary Refinement description 1 0 2002-07-31 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-02-08 1 4 2017-10-11 1m48 is the crystal structure of human IL-2 complexed with (R)-N-[2-[1-(Aminoiminomethyl)-3-piperidinyl]-1-oxoethyl]-4-(phenylethynyl)-L-phenylalanine methyl ester 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 SO4 SULFATE ION HOH water SUL 1 2 SO4 SO4 134 A SUL 2 2 SO4 SO4 135 A HOH 2 3 HOH HOH 136 A HOH 3 3 HOH HOH 137 A HOH 4 3 HOH HOH 138 A HOH 5 3 HOH HOH 139 A HOH 6 3 HOH HOH 140 A HOH 7 3 HOH HOH 141 A HOH 8 3 HOH HOH 142 A HOH 9 3 HOH HOH 143 A HOH 10 3 HOH HOH 144 A HOH 11 3 HOH HOH 145 A HOH 12 3 HOH HOH 146 A HOH 13 3 HOH HOH 147 A HOH 14 3 HOH HOH 148 A HOH 15 3 HOH HOH 149 A HOH 16 3 HOH HOH 150 A HOH 17 3 HOH HOH 151 A HOH 18 3 HOH HOH 152 A HOH 19 3 HOH HOH 153 A HOH 20 3 HOH HOH 154 A HOH 21 3 HOH HOH 155 A HOH 22 3 HOH HOH 156 A HOH 23 3 HOH HOH 157 A HOH 24 3 HOH HOH 158 A HOH 25 3 HOH HOH 159 A HOH 26 3 HOH HOH 160 A HOH 27 3 HOH HOH 161 A HOH 28 3 HOH HOH 162 A HOH 29 3 HOH HOH 163 A HOH 30 3 HOH HOH 164 A HOH 31 3 HOH HOH 165 A HOH 32 3 HOH HOH 166 A HOH 33 3 HOH HOH 167 A HOH 34 3 HOH HOH 168 A HOH 35 3 HOH HOH 169 A HOH 36 3 HOH HOH 170 A HOH 37 3 HOH HOH 171 A HOH 38 3 HOH HOH 172 A HOH 39 3 HOH HOH 173 A HOH 40 3 HOH HOH 174 A HOH 41 3 HOH HOH 175 A HOH 42 3 HOH HOH 176 A HOH 43 3 HOH HOH 177 A HOH 44 3 HOH HOH 178 A HOH 45 3 HOH HOH 179 A HOH 46 3 HOH HOH 180 A HOH 47 3 HOH HOH 181 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 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 ASN 77 n 77 ASN 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 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 24.250 -0.47 0.00 0.00 0.41 0.00 0.06 0.930 0.904 0.24452 0.21995 0.22118 0.22118 1.99 15.00 477 9020 9020 5.0 98.08 2.4 0.068 RANDOM 1 isotropic THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.210 0.170 0.80 0.80 1.40 MAXIMUM LIKELIHOOD MASK 1.99 15.00 46 1055 10 0 999 0.003 0.022 1023 0.971 1.990 1381 2.168 3.000 119 14.826 15.000 206 0.090 0.200 165 0.003 0.020 717 0.236 0.300 480 0.153 0.500 54 0.255 0.300 37 0.118 0.500 2 2.008 2.500 609 3.668 5.000 991 2.381 2.500 414 4.028 5.000 390 0.319 0.282 2.054 45 810 855 15 91.9 17.6 1.95 10.0 1M47 9522 9522 0 0 0.061 0.061 1 13.2 98.5 0.391 1.95 2.05 3.3 855 0.391 1 91.9 data collection MAR345 data scaling SCALA phasing AMoRE refinement REFMAC 5.0 data scaling CCP4 (SCALA) interleukin-2 Crystal Structure of Human Interleukin-2 1 N N 2 N N 2 N N 3 N N A SER 6 A SER 6 HELX_P A ASN 30 A ASN 30 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 GLN 74 A GLN 74 1 5 13 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 2.020 A CYS 58 A SG CYS 58 1_555 A CYS 105 A SG CYS 105 1_555 CYTOKINE cytokine, four-helix bundle IL2_HUMAN UNP 1 21 P60568 APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT 21 153 1M47 1 133 P60568 A 1 1 133 BINDING SITE FOR RESIDUE SO4 A 134 Software 5 BINDING SITE FOR RESIDUE SO4 A 135 Software 3 A LYS 49 A LYS 49 5 1_555 A LYS 54 A LYS 54 5 1_555 A HIS 55 A HIS 55 5 1_555 A PHE 103 A PHE 103 5 1_555 A THR 133 A THR 133 5 2_565 A TYR 31 A TYR 31 3 1_555 A LYS 32 A LYS 32 3 1_555 A LYS 35 A LYS 35 3 1_555 18 P 21 21 2