1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Klaus, W. Gsell, B. Labhardt, A.M. Wipf, B. Senn, H. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 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 274 661 675 10.1006/jmbi.1997.1396 9417943 The three-dimensional high resolution structure of human interferon alpha-2a determined by heteronuclear NMR spectroscopy in solution. 1997 10.2210/pdb1itf/pdb pdb_00001itf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 19264.096 INTERFERON ALPHA-2A 1 man polymer no no CDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIFNLFSTKDSSAAWDETL LDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTNLQES LRSKE CDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIFNLFSTKDSSAAWDETL LDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTNLQES LRSKE 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 n n n n n n n n 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 sample 9606 Homo sapiens 562 Escherichia coli database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1997-12-03 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1997-08-22 REL REL LOWEST ENERGY 100 24 HETERONUCLEAR 3D 4D 3.4 298 K SEE FORTHCOMING PUBLICATION. simulated annealing M. NILGES refinement X-PLOR 3.1 structure solution X-PLOR 3.1 500 Bruker AMX-500 600 Bruker AMX2-600 600 Bruker DMX-600 CYS 1 n 1 CYS 1 A ASP 2 n 2 ASP 2 A LEU 3 n 3 LEU 3 A PRO 4 n 4 PRO 4 A GLN 5 n 5 GLN 5 A THR 6 n 6 THR 6 A HIS 7 n 7 HIS 7 A SER 8 n 8 SER 8 A LEU 9 n 9 LEU 9 A GLY 10 n 10 GLY 10 A SER 11 n 11 SER 11 A ARG 12 n 12 ARG 12 A ARG 13 n 13 ARG 13 A THR 14 n 14 THR 14 A LEU 15 n 15 LEU 15 A MET 16 n 16 MET 16 A LEU 17 n 17 LEU 17 A LEU 18 n 18 LEU 18 A ALA 19 n 19 ALA 19 A GLN 20 n 20 GLN 20 A MET 21 n 21 MET 21 A ARG 22 n 22 ARG 22 A LYS 23 n 23 LYS 23 A ILE 24 n 24 ILE 24 A SER 25 n 25 SER 25 A LEU 26 n 26 LEU 26 A PHE 27 n 27 PHE 27 A SER 28 n 28 SER 28 A CYS 29 n 29 CYS 29 A LEU 30 n 30 LEU 30 A LYS 31 n 31 LYS 31 A ASP 32 n 32 ASP 32 A ARG 33 n 33 ARG 33 A HIS 34 n 34 HIS 34 A ASP 35 n 35 ASP 35 A PHE 36 n 36 PHE 36 A GLY 37 n 37 GLY 37 A PHE 38 n 38 PHE 38 A PRO 39 n 39 PRO 39 A GLN 40 n 40 GLN 40 A GLU 41 n 41 GLU 41 A GLU 42 n 42 GLU 42 A PHE 43 n 43 PHE 43 A GLY 44 n 44 GLY 44 A ASN 45 n 45 ASN 45 A GLN 46 n 46 GLN 46 A PHE 47 n 47 PHE 47 A GLN 48 n 48 GLN 48 A LYS 49 n 49 LYS 49 A ALA 50 n 50 ALA 50 A GLU 51 n 51 GLU 51 A THR 52 n 52 THR 52 A ILE 53 n 53 ILE 53 A PRO 54 n 54 PRO 54 A VAL 55 n 55 VAL 55 A LEU 56 n 56 LEU 56 A HIS 57 n 57 HIS 57 A GLU 58 n 58 GLU 58 A MET 59 n 59 MET 59 A ILE 60 n 60 ILE 60 A GLN 61 n 61 GLN 61 A GLN 62 n 62 GLN 62 A ILE 63 n 63 ILE 63 A PHE 64 n 64 PHE 64 A ASN 65 n 65 ASN 65 A LEU 66 n 66 LEU 66 A PHE 67 n 67 PHE 67 A SER 68 n 68 SER 68 A THR 69 n 69 THR 69 A LYS 70 n 70 LYS 70 A ASP 71 n 71 ASP 71 A SER 72 n 72 SER 72 A SER 73 n 73 SER 73 A ALA 74 n 74 ALA 74 A ALA 75 n 75 ALA 75 A TRP 76 n 76 TRP 76 A ASP 77 n 77 ASP 77 A GLU 78 n 78 GLU 78 A THR 79 n 79 THR 79 A LEU 80 n 80 LEU 80 A LEU 81 n 81 LEU 81 A ASP 82 n 82 ASP 82 A LYS 83 n 83 LYS 83 A PHE 84 n 84 PHE 84 A TYR 85 n 85 TYR 85 A THR 86 n 86 THR 86 A GLU 87 n 87 GLU 87 A LEU 88 n 88 LEU 88 A TYR 89 n 89 TYR 89 A GLN 90 n 90 GLN 90 A GLN 91 n 91 GLN 91 A LEU 92 n 92 LEU 92 A ASN 93 n 93 ASN 93 A ASP 94 n 94 ASP 94 A LEU 95 n 95 LEU 95 A GLU 96 n 96 GLU 96 A ALA 97 n 97 ALA 97 A CYS 98 n 98 CYS 98 A VAL 99 n 99 VAL 99 A ILE 100 n 100 ILE 100 A GLN 101 n 101 GLN 101 A GLY 102 n 102 GLY 102 A VAL 103 n 103 VAL 103 A GLY 104 n 104 GLY 104 A VAL 105 n 105 VAL 105 A THR 106 n 106 THR 106 A GLU 107 n 107 GLU 107 A THR 108 n 108 THR 108 A PRO 109 n 109 PRO 109 A LEU 110 n 110 LEU 110 A MET 111 n 111 MET 111 A LYS 112 n 112 LYS 112 A GLU 113 n 113 GLU 113 A ASP 114 n 114 ASP 114 A SER 115 n 115 SER 115 A ILE 116 n 116 ILE 116 A LEU 117 n 117 LEU 117 A ALA 118 n 118 ALA 118 A VAL 119 n 119 VAL 119 A ARG 120 n 120 ARG 120 A LYS 121 n 121 LYS 121 A TYR 122 n 122 TYR 122 A PHE 123 n 123 PHE 123 A GLN 124 n 124 GLN 124 A ARG 125 n 125 ARG 125 A ILE 126 n 126 ILE 126 A THR 127 n 127 THR 127 A LEU 128 n 128 LEU 128 A TYR 129 n 129 TYR 129 A LEU 130 n 130 LEU 130 A LYS 131 n 131 LYS 131 A GLU 132 n 132 GLU 132 A LYS 133 n 133 LYS 133 A LYS 134 n 134 LYS 134 A TYR 135 n 135 TYR 135 A SER 136 n 136 SER 136 A PRO 137 n 137 PRO 137 A CYS 138 n 138 CYS 138 A ALA 139 n 139 ALA 139 A TRP 140 n 140 TRP 140 A GLU 141 n 141 GLU 141 A VAL 142 n 142 VAL 142 A VAL 143 n 143 VAL 143 A ARG 144 n 144 ARG 144 A ALA 145 n 145 ALA 145 A GLU 146 n 146 GLU 146 A ILE 147 n 147 ILE 147 A MET 148 n 148 MET 148 A ARG 149 n 149 ARG 149 A SER 150 n 150 SER 150 A PHE 151 n 151 PHE 151 A SER 152 n 152 SER 152 A LEU 153 n 153 LEU 153 A SER 154 n 154 SER 154 A THR 155 n 155 THR 155 A ASN 156 n 156 ASN 156 A LEU 157 n 157 LEU 157 A GLN 158 n 158 GLN 158 A GLU 159 n 159 GLU 159 A SER 160 n 160 SER 160 A LEU 161 n 161 LEU 161 A ARG 162 n 162 ARG 162 A SER 163 n 163 SER 163 A LYS 164 n 164 LYS 164 A GLU 165 n 165 GLU 165 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 A O H GLU LEU 113 117 1.56 4 A A O H THR LEU 52 56 1.57 7 A A O H THR LEU 52 56 1.55 15 A A O H THR LEU 52 56 1.55 1 A ARG 12 0.315 SIDE CHAIN 1 A ARG 13 0.313 SIDE CHAIN 1 A ARG 22 0.290 SIDE CHAIN 1 A ARG 120 0.293 SIDE CHAIN 1 A ARG 125 0.311 SIDE CHAIN 1 A ARG 144 0.242 SIDE CHAIN 1 A ARG 149 0.293 SIDE CHAIN 1 A ARG 162 0.310 SIDE CHAIN 2 A ARG 12 0.272 SIDE CHAIN 2 A ARG 13 0.101 SIDE CHAIN 2 A ARG 22 0.303 SIDE CHAIN 2 A ARG 33 0.260 SIDE CHAIN 2 A ARG 120 0.257 SIDE CHAIN 2 A ARG 125 0.313 SIDE CHAIN 2 A ARG 144 0.290 SIDE CHAIN 2 A ARG 149 0.306 SIDE CHAIN 2 A ARG 162 0.234 SIDE CHAIN 3 A ARG 12 0.299 SIDE CHAIN 3 A ARG 13 0.311 SIDE CHAIN 3 A ARG 22 0.300 SIDE CHAIN 3 A ARG 33 0.287 SIDE CHAIN 3 A ARG 120 0.280 SIDE CHAIN 3 A ARG 144 0.309 SIDE CHAIN 3 A ARG 149 0.287 SIDE CHAIN 3 A ARG 162 0.291 SIDE CHAIN 4 A ARG 12 0.298 SIDE CHAIN 4 A ARG 13 0.243 SIDE CHAIN 4 A ARG 22 0.290 SIDE CHAIN 4 A ARG 33 0.298 SIDE CHAIN 4 A ARG 120 0.225 SIDE CHAIN 4 A ARG 125 0.311 SIDE CHAIN 4 A ARG 144 0.310 SIDE CHAIN 4 A ARG 149 0.314 SIDE CHAIN 4 A ARG 162 0.272 SIDE CHAIN 5 A ARG 12 0.283 SIDE CHAIN 5 A ARG 13 0.294 SIDE CHAIN 5 A ARG 22 0.315 SIDE CHAIN 5 A ARG 33 0.309 SIDE CHAIN 5 A ARG 120 0.278 SIDE CHAIN 5 A ARG 125 0.310 SIDE CHAIN 5 A ARG 144 0.246 SIDE CHAIN 5 A ARG 149 0.305 SIDE CHAIN 5 A ARG 162 0.313 SIDE CHAIN 6 A ARG 12 0.290 SIDE CHAIN 6 A ARG 13 0.309 SIDE CHAIN 6 A ARG 22 0.294 SIDE CHAIN 6 A ARG 33 0.309 SIDE CHAIN 6 A ARG 120 0.244 SIDE CHAIN 6 A ARG 125 0.298 SIDE CHAIN 6 A ARG 144 0.258 SIDE CHAIN 6 A ARG 149 0.265 SIDE CHAIN 6 A ARG 162 0.313 SIDE CHAIN 7 A ARG 12 0.311 SIDE CHAIN 7 A ARG 13 0.286 SIDE CHAIN 7 A ARG 22 0.266 SIDE CHAIN 7 A ARG 33 0.254 SIDE CHAIN 7 A ARG 120 0.312 SIDE CHAIN 7 A ARG 125 0.225 SIDE CHAIN 7 A ARG 144 0.268 SIDE CHAIN 7 A ARG 149 0.299 SIDE CHAIN 7 A ARG 162 0.290 SIDE CHAIN 8 A ARG 12 0.314 SIDE CHAIN 8 A ARG 13 0.278 SIDE CHAIN 8 A ARG 22 0.309 SIDE CHAIN 8 A ARG 33 0.272 SIDE CHAIN 8 A ARG 120 0.311 SIDE CHAIN 8 A ARG 125 0.300 SIDE CHAIN 8 A ARG 144 0.313 SIDE CHAIN 8 A ARG 149 0.288 SIDE CHAIN 8 A ARG 162 0.304 SIDE CHAIN 9 A ARG 12 0.269 SIDE CHAIN 9 A ARG 13 0.310 SIDE CHAIN 9 A ARG 22 0.223 SIDE CHAIN 9 A ARG 33 0.314 SIDE CHAIN 9 A ARG 120 0.281 SIDE CHAIN 9 A ARG 125 0.313 SIDE CHAIN 9 A ARG 144 0.111 SIDE CHAIN 9 A ARG 149 0.310 SIDE CHAIN 9 A ARG 162 0.272 SIDE CHAIN 10 A ARG 12 0.277 SIDE CHAIN 10 A ARG 13 0.119 SIDE CHAIN 10 A ARG 22 0.251 SIDE CHAIN 10 A ARG 33 0.256 SIDE CHAIN 10 A ARG 120 0.314 SIDE CHAIN 10 A ARG 125 0.307 SIDE CHAIN 10 A ARG 144 0.257 SIDE CHAIN 10 A ARG 149 0.252 SIDE CHAIN 10 A ARG 162 0.299 SIDE CHAIN 11 A ARG 12 0.312 SIDE CHAIN 11 A ARG 13 0.253 SIDE CHAIN 11 A ARG 22 0.266 SIDE CHAIN 11 A ARG 33 0.305 SIDE CHAIN 11 A ARG 120 0.304 SIDE CHAIN 11 A ARG 125 0.220 SIDE CHAIN 11 A ARG 144 0.248 SIDE CHAIN 11 A ARG 149 0.312 SIDE CHAIN 11 A ARG 162 0.298 SIDE CHAIN 12 A ARG 12 0.292 SIDE CHAIN 12 A ARG 13 0.277 SIDE CHAIN 12 A ARG 22 0.309 SIDE CHAIN 12 A ARG 33 0.258 SIDE CHAIN 12 A ARG 120 0.267 SIDE CHAIN 12 A ARG 125 0.264 SIDE CHAIN 12 A ARG 144 0.302 SIDE CHAIN 12 A ARG 149 0.256 SIDE CHAIN 12 A ARG 162 0.153 SIDE CHAIN 13 A ARG 12 0.279 SIDE CHAIN 13 A ARG 13 0.235 SIDE CHAIN 13 A ARG 22 0.307 SIDE CHAIN 13 A ARG 33 0.296 SIDE CHAIN 13 A ARG 120 0.274 SIDE CHAIN 13 A ARG 125 0.232 SIDE CHAIN 13 A ARG 144 0.248 SIDE CHAIN 13 A ARG 149 0.251 SIDE CHAIN 13 A ARG 162 0.286 SIDE CHAIN 14 A ARG 12 0.307 SIDE CHAIN 14 A ARG 13 0.240 SIDE CHAIN 14 A ARG 22 0.283 SIDE CHAIN 14 A ARG 33 0.310 SIDE CHAIN 14 A ARG 120 0.231 SIDE CHAIN 14 A ARG 125 0.282 SIDE CHAIN 14 A ARG 144 0.202 SIDE CHAIN 14 A ARG 149 0.300 SIDE CHAIN 14 A ARG 162 0.309 SIDE CHAIN 15 A ARG 12 0.314 SIDE CHAIN 15 A ARG 13 0.287 SIDE CHAIN 15 A ARG 22 0.307 SIDE CHAIN 15 A ARG 33 0.259 SIDE CHAIN 15 A ARG 120 0.314 SIDE CHAIN 15 A ARG 125 0.273 SIDE CHAIN 15 A ARG 144 0.208 SIDE CHAIN 15 A ARG 149 0.304 SIDE CHAIN 15 A ARG 162 0.305 SIDE CHAIN 16 A ARG 12 0.312 SIDE CHAIN 16 A ARG 13 0.242 SIDE CHAIN 16 A ARG 22 0.256 SIDE CHAIN 16 A ARG 33 0.309 SIDE CHAIN 16 A ARG 120 0.284 SIDE CHAIN 16 A ARG 125 0.314 SIDE CHAIN 16 A ARG 144 0.234 SIDE CHAIN 16 A ARG 149 0.279 SIDE CHAIN 16 A ARG 162 0.306 SIDE CHAIN 17 A ARG 12 0.303 SIDE CHAIN 17 A ARG 13 0.312 SIDE CHAIN 17 A ARG 22 0.307 SIDE CHAIN 17 A ARG 33 0.268 SIDE CHAIN 17 A ARG 120 0.314 SIDE CHAIN 17 A ARG 125 0.123 SIDE CHAIN 17 A ARG 144 0.294 SIDE CHAIN 17 A ARG 149 0.300 SIDE CHAIN 17 A ARG 162 0.301 SIDE CHAIN 18 A ARG 12 0.313 SIDE CHAIN 18 A ARG 13 0.303 SIDE CHAIN 18 A ARG 22 0.284 SIDE CHAIN 18 A ARG 33 0.232 SIDE CHAIN 18 A ARG 120 0.298 SIDE CHAIN 18 A ARG 125 0.314 SIDE CHAIN 18 A ARG 144 0.211 SIDE CHAIN 18 A ARG 149 0.313 SIDE CHAIN 18 A ARG 162 0.314 SIDE CHAIN 19 A ARG 12 0.301 SIDE CHAIN 19 A ARG 13 0.292 SIDE CHAIN 19 A ARG 22 0.266 SIDE CHAIN 19 A ARG 33 0.276 SIDE CHAIN 19 A ARG 120 0.312 SIDE CHAIN 19 A ARG 125 0.315 SIDE CHAIN 19 A ARG 144 0.176 SIDE CHAIN 19 A ARG 149 0.145 SIDE CHAIN 19 A ARG 162 0.289 SIDE CHAIN 20 A ARG 12 0.315 SIDE CHAIN 20 A ARG 13 0.173 SIDE CHAIN 20 A ARG 22 0.307 SIDE CHAIN 20 A ARG 33 0.304 SIDE CHAIN 20 A ARG 120 0.253 SIDE CHAIN 20 A ARG 125 0.314 SIDE CHAIN 20 A ARG 144 0.197 SIDE CHAIN 20 A ARG 149 0.278 SIDE CHAIN 20 A ARG 162 0.312 SIDE CHAIN 21 A ARG 12 0.307 SIDE CHAIN 21 A ARG 13 0.290 SIDE CHAIN 21 A ARG 22 0.313 SIDE CHAIN 21 A ARG 33 0.096 SIDE CHAIN 21 A ARG 120 0.308 SIDE CHAIN 21 A ARG 125 0.272 SIDE CHAIN 21 A ARG 144 0.212 SIDE CHAIN 21 A ARG 149 0.296 SIDE CHAIN 21 A ARG 162 0.277 SIDE CHAIN 22 A ARG 12 0.287 SIDE CHAIN 22 A ARG 13 0.309 SIDE CHAIN 22 A ARG 22 0.313 SIDE CHAIN 22 A ARG 33 0.284 SIDE CHAIN 22 A ARG 120 0.304 SIDE CHAIN 22 A ARG 125 0.314 SIDE CHAIN 22 A ARG 144 0.313 SIDE CHAIN 22 A ARG 149 0.173 SIDE CHAIN 22 A ARG 162 0.278 SIDE CHAIN 23 A ARG 12 0.314 SIDE CHAIN 23 A ARG 13 0.300 SIDE CHAIN 23 A ARG 22 0.312 SIDE CHAIN 23 A ARG 33 0.236 SIDE CHAIN 23 A ARG 120 0.293 SIDE CHAIN 23 A ARG 125 0.308 SIDE CHAIN 23 A ARG 144 0.308 SIDE CHAIN 23 A ARG 149 0.252 SIDE CHAIN 23 A ARG 162 0.206 SIDE CHAIN 24 A ARG 12 0.308 SIDE CHAIN 24 A ARG 13 0.304 SIDE CHAIN 24 A ARG 22 0.290 SIDE CHAIN 24 A ARG 33 0.260 SIDE CHAIN 24 A ARG 120 0.281 SIDE CHAIN 24 A ARG 125 0.303 SIDE CHAIN 24 A ARG 144 0.270 SIDE CHAIN 24 A ARG 149 0.285 SIDE CHAIN 24 A ARG 162 0.286 SIDE CHAIN 1 A ASP 2 -149.00 56.89 1 A THR 6 -133.98 -74.43 1 A SER 8 -157.91 24.12 1 A CYS 29 -112.84 53.37 1 A PHE 47 -148.09 44.27 1 A LYS 49 -150.28 58.32 1 A THR 106 -125.67 -159.29 1 A THR 108 -38.98 125.47 1 A LEU 110 -53.22 -8.94 1 A GLN 158 -109.72 -85.95 1 A LYS 164 -163.03 70.38 2 A CYS 29 -101.88 50.92 2 A PHE 47 -148.37 46.08 2 A LYS 49 62.29 60.84 2 A ALA 50 65.21 71.72 2 A GLU 51 -142.14 -48.50 2 A THR 108 -149.69 43.20 2 A LEU 161 -69.82 -166.65 2 A ARG 162 -91.15 52.53 2 A SER 163 -94.08 47.09 2 A LYS 164 -154.23 41.91 3 A LEU 3 -44.39 104.13 3 A GLN 5 -159.95 60.55 3 A THR 6 -149.36 -55.06 3 A ARG 22 -55.63 106.41 3 A CYS 29 -114.86 54.17 3 A GLN 48 -70.61 -161.24 3 A ALA 50 -94.38 36.68 3 A THR 106 -153.77 29.25 3 A GLU 107 -28.25 -76.24 3 A THR 108 -169.09 -60.49 3 A SER 160 -100.51 51.39 4 A CYS 29 -112.95 56.26 4 A PHE 47 -148.40 42.50 4 A LYS 49 66.15 93.05 4 A MET 111 -56.75 -8.22 5 A THR 6 -123.13 -59.50 5 A LEU 9 -147.15 18.60 5 A CYS 29 -105.15 47.39 5 A PHE 47 -147.23 43.81 5 A LYS 49 77.35 65.45 5 A GLU 107 -158.17 -65.48 5 A LEU 110 -122.65 -64.18 5 A SER 160 -105.62 -79.32 5 A ARG 162 -107.47 58.75 6 A GLN 5 -153.14 66.09 6 A THR 6 -136.99 -86.42 6 A SER 8 -171.95 102.48 6 A LEU 9 -172.10 84.29 6 A CYS 29 -108.88 51.20 6 A PHE 47 -147.88 55.84 6 A THR 106 -169.79 -160.01 6 A THR 108 -36.68 136.88 6 A LEU 110 -54.07 -7.66 6 A ARG 162 -125.36 -57.52 7 A THR 6 -142.38 59.88 7 A CYS 29 -102.53 50.60 7 A PHE 47 -149.59 46.67 7 A LYS 49 59.23 85.47 7 A GLU 51 -148.73 -51.35 7 A LEU 110 -55.57 -9.20 7 A SER 160 1.11 79.06 7 A LYS 164 -108.97 44.02 8 A GLN 5 -116.15 78.57 8 A SER 8 -173.04 139.17 8 A LEU 9 -157.84 39.02 8 A ARG 22 -52.20 109.93 8 A CYS 29 -113.76 54.34 8 A GLU 51 -130.79 -42.16 8 A PRO 109 -69.67 99.31 8 A ARG 162 -114.22 64.73 8 A LYS 164 -109.04 56.96 9 A ASP 2 -102.29 65.21 9 A LEU 3 -126.75 -64.52 9 A GLN 5 -113.16 68.22 9 A THR 6 -144.90 -63.78 9 A LEU 9 -103.00 77.22 9 A CYS 29 -101.34 50.68 9 A GLU 42 -97.78 44.96 9 A PHE 43 -147.39 23.62 9 A GLN 48 -71.62 -164.89 9 A ALA 50 -150.95 31.54 9 A GLU 51 -134.37 -58.17 9 A VAL 103 -58.40 105.10 9 A THR 106 -168.06 -154.19 9 A THR 108 -19.01 127.25 9 A SER 160 3.17 83.74 10 A ASP 2 -100.63 71.50 10 A THR 6 -117.86 -75.10 10 A CYS 29 -117.26 55.36 10 A GLU 42 -98.97 35.91 10 A PHE 43 -140.23 27.94 10 A GLN 46 70.17 30.87 10 A PHE 47 -143.92 33.71 10 A ALA 50 60.93 72.26 10 A GLU 51 -142.92 -48.05 10 A THR 106 -174.44 130.80 10 A GLU 107 -160.51 -72.18 10 A THR 108 179.42 54.60 10 A SER 160 -101.39 40.68 10 A ARG 162 -149.47 -51.76 11 A CYS 29 -113.78 55.87 11 A PHE 43 -143.74 37.33 11 A ASN 45 -167.87 112.85 11 A LYS 49 67.46 73.93 11 A GLU 51 -127.31 -55.08 11 A GLU 107 -157.25 -51.99 11 A LEU 110 -48.39 -9.83 11 A MET 111 -66.54 4.67 11 A SER 160 -112.44 79.97 11 A LYS 164 -106.38 44.14 12 A SER 8 -141.40 -154.92 12 A LEU 9 -94.04 52.45 12 A CYS 29 -104.30 51.73 12 A GLU 42 -97.34 40.10 12 A PHE 43 -142.08 -64.01 12 A LYS 49 58.84 78.50 12 A ALA 50 60.76 76.49 12 A GLU 51 -148.45 -47.59 12 A GLU 107 -172.33 -51.76 12 A LEU 110 -46.58 -8.33 12 A MET 111 -49.62 -15.82 12 A ARG 162 -166.01 -59.27 12 A LYS 164 -162.70 94.22 13 A LEU 3 -143.44 48.80 13 A GLN 5 -105.18 64.59 13 A THR 6 -138.42 -70.59 13 A SER 8 -175.92 127.91 13 A LEU 9 -148.83 30.20 13 A CYS 29 -105.86 51.91 13 A GLU 42 -101.38 46.72 13 A PHE 43 -148.75 -72.48 13 A LYS 49 60.97 105.58 13 A GLU 51 -139.23 -49.83 13 A ARG 162 -154.00 81.97 14 A HIS 7 -60.25 -176.47 14 A SER 8 -139.36 -153.97 14 A ARG 22 -54.07 98.79 14 A CYS 29 -112.36 54.26 14 A PHE 47 -145.02 33.01 14 A LYS 49 -161.57 63.40 14 A GLU 107 -162.46 -68.47 14 A ARG 162 -91.24 -101.20 14 A SER 163 179.45 177.14 15 A LEU 3 -123.94 -73.39 15 A SER 8 179.43 169.27 15 A CYS 29 -108.71 50.21 15 A GLU 42 -99.69 31.44 15 A PHE 43 -142.69 44.01 15 A GLN 48 -163.41 -153.52 15 A GLU 107 -144.11 -47.48 15 A LEU 161 1.26 90.80 16 A ASP 2 -150.49 85.92 16 A THR 6 -97.71 -70.16 16 A LEU 9 -142.97 40.03 16 A CYS 29 -99.32 50.55 16 A GLU 42 -98.92 33.71 16 A PHE 43 -142.27 -77.46 16 A GLN 48 -167.52 36.59 16 A LYS 49 -177.16 70.50 16 A VAL 105 -133.49 -115.24 16 A GLU 107 -176.47 -40.22 16 A ARG 162 -125.34 -66.46 16 A LYS 164 -117.59 53.10 17 A LEU 9 -150.06 43.16 17 A CYS 29 -107.02 51.96 17 A PHE 43 -141.87 35.78 17 A ALA 50 63.72 66.56 17 A GLU 51 -136.96 -49.45 17 A GLN 101 -69.38 -178.01 17 A GLU 107 179.55 -48.06 17 A LEU 110 -49.26 -12.84 18 A LEU 3 -139.53 -66.09 18 A THR 6 -150.62 52.00 18 A SER 8 179.74 159.94 18 A CYS 29 -111.74 51.15 18 A HIS 34 177.20 149.44 18 A GLN 48 -142.78 34.65 18 A LYS 49 -169.20 79.22 18 A VAL 103 -93.81 42.09 18 A GLU 107 -143.61 -24.82 18 A SER 160 -101.90 73.58 19 A CYS 29 -106.66 46.75 19 A GLU 42 -97.26 41.53 19 A PHE 43 -147.50 15.84 19 A ALA 50 65.82 77.82 19 A GLU 51 -137.59 -49.71 19 A GLU 107 -158.08 -51.46 20 A THR 6 -142.20 59.46 20 A CYS 29 -108.36 52.78 20 A GLU 42 -96.29 30.57 20 A PHE 47 -142.09 34.65 20 A LYS 49 -147.77 55.23 20 A THR 106 -114.89 -147.81 20 A THR 108 -29.03 128.82 20 A SER 160 2.75 87.35 20 A ARG 162 -150.25 -49.03 20 A LYS 164 -98.22 52.35 21 A ASP 2 -113.13 66.23 21 A GLN 5 -114.68 77.73 21 A ARG 22 -52.28 109.07 21 A CYS 29 -109.57 51.87 21 A PHE 47 -146.69 35.56 21 A GLN 48 -95.84 31.05 21 A LYS 49 -177.09 -133.46 21 A GLN 101 -83.69 34.70 21 A LEU 110 -122.77 -64.48 21 A GLU 159 -160.31 117.79 21 A ARG 162 -118.65 53.89 21 A SER 163 -109.68 74.42 21 A LYS 164 -111.89 51.85 22 A MET 21 -90.53 31.31 22 A CYS 29 -106.58 50.39 22 A GLU 107 -169.26 -65.09 22 A THR 108 179.91 -54.78 22 A ARG 162 -107.03 -65.41 22 A LYS 164 -120.15 -120.61 23 A ASP 2 -115.56 78.70 23 A THR 6 -122.82 -62.72 23 A SER 8 -160.60 109.41 23 A CYS 29 -108.67 47.93 23 A GLU 42 -98.17 34.23 23 A PHE 43 -142.14 37.17 23 A PHE 47 -142.11 56.44 23 A GLN 48 -65.02 -176.36 23 A VAL 103 -58.50 106.02 23 A THR 108 -20.75 117.38 23 A LEU 110 -35.28 -26.83 23 A LYS 164 -90.15 51.84 24 A CYS 29 -112.20 53.53 24 A GLN 48 -77.51 -164.32 24 A VAL 103 -92.36 44.25 24 A THR 108 -171.35 54.64 24 A ARG 162 -92.26 43.42 model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing X-PLOR 3.1 INTERFERON ALPHA-2A, NMR, 24 STRUCTURES 1 Y N A GLY 10 A GLY 10 HELX_P A MET 21 A MET 21 1 1 12 A GLN 40 A GLN 40 HELX_P A PHE 43 A PHE 43 5 2 4 A ILE 53 A ILE 53 HELX_P A SER 68 A SER 68 1 3 16 A LYS 70 A LYS 70 HELX_P A ALA 75 A ALA 75 1 4 6 A GLU 78 A GLU 78 HELX_P A ILE 100 A ILE 100 1 5 23 A LEU 110 A LEU 110 HELX_P A GLU 132 A GLU 132 5 6 23 A PRO 137 A PRO 137 HELX_P A LEU 157 A LEU 157 1 7 21 disulf 2.022 A CYS 1 A SG CYS 1 1_555 A CYS 98 A SG CYS 98 1_555 disulf 2.021 A CYS 29 A SG CYS 29 1_555 A CYS 138 A SG CYS 138 1_555 CYTOKINE INTERFERON, CYTOKINE IFNA2_HUMAN UNP 1 1 P01563 MALTFALLVALLVLSCKSSCSVGCDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLH EMIQQIFNLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYLKEKKYSP CAWEVVRAEIMRSFSLSTNLQESLRSKE 24 188 1ITF 1 165 P01563 A 1 1 165 1 P 1