1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Eisenmesser, E.Z. Horita, D.A. Altieri, A.S. Byrd, R.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 310 231 241 10.1006/jmbi.2001.4765 11419949 Solution structure of interleukin-13 and insights into receptor engagement 2001 NE J.BIOMOL.NMR JBNME9 0800 0925-2738 19 93 94 10.1023/A:1008336103603 Secondary Structure and Backbone Resonance Assignments for Human Interleukin-13 2001 US Protein Expr.Purif. PEXPEJ 0757 1046-5928 20 186 195 10.1006/prep.2000.1283 Expression, Purification, Refolding, and Characterization of Recombinant Human Interleukin-13: Utilization of Intracellular Processing 2000 10.2210/pdb1ga3/pdb pdb_00001ga3 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 12416.438 Interleukin-13 1 man polymer IL-13, IL13 no no GGPVPPSTALRELIEELVNITQNQKAPLCNGSMVWSINLTAGMYCAALESLINVSGCSAIEKTQRMLSGFCPHKVSAGQF SSLHVRDTKIEVAQFVKDLLLHLKKLFREGRFN GGPVPPSTALRELIEELVNITQNQKAPLCNGSMVWSINLTAGMYCAALESLINVSGCSAIEKTQRMLSGFCPHKVSAGQF SSLHVRDTKIEVAQFVKDLLLHLKKLFREGRFN 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 Human Homo Escherichia Escherichia coli sample 1 113 IL13, NC30 9606 Homo sapiens 469008 Escherichia coli BL21(DE3) BL21(DE3) PLASMID Biological sequence PMAL-IL-13 database_2 pdbx_database_related pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif atom_site entity entity_name_com entity_src_gen pdbx_database_status pdbx_nmr_exptl pdbx_nmr_exptl_sample pdbx_nmr_exptl_sample_conditions pdbx_nmr_refine pdbx_nmr_sample_details pdbx_nmr_software pdbx_struct_sheet_hbond pdbx_validate_torsion pdbx_version struct struct_conf struct_keywords struct_ref struct_ref_seq struct_ref_seq_dif struct_sheet struct_sheet_order struct_sheet_range database_2 pdbx_database_status repository Initial release Model orientation/position author Coordinate replacement Version format compliance Version format compliance Database references Derived calculations Other Atomic model Data collection Database references Derived calculations Experimental preparation Other Refinement description Source and taxonomy Structure summary Database references Other 1 0 2001-07-04 1 1 2008-04-27 1 2 2011-07-13 1 3 2019-12-25 2 0 2020-02-26 2 1 2023-06-14 _pdbx_database_status.status_code_cs _struct_ref_seq_dif.details _atom_site.Cartn_x _atom_site.Cartn_y _atom_site.Cartn_z _entity.pdbx_description _entity.pdbx_fragment _entity_name_com.name _entity_src_gen.gene_src_common_name _entity_src_gen.pdbx_beg_seq_num _entity_src_gen.pdbx_end_seq_num _entity_src_gen.pdbx_gene_src_gene _entity_src_gen.pdbx_host_org_strain _entity_src_gen.pdbx_seq_type _pdbx_database_status.SG_entry _pdbx_nmr_exptl.sample_state _pdbx_nmr_exptl.spectrometer_id _pdbx_nmr_exptl_sample_conditions.ionic_strength_units _pdbx_nmr_exptl_sample_conditions.label _pdbx_nmr_exptl_sample_conditions.pH_units _pdbx_nmr_refine.software_ordinal _pdbx_nmr_sample_details.contents _pdbx_nmr_sample_details.label _pdbx_nmr_sample_details.type _pdbx_nmr_software.authors _pdbx_nmr_software.classification _pdbx_nmr_software.version _pdbx_struct_sheet_hbond.range_1_auth_atom_id _pdbx_struct_sheet_hbond.range_1_label_atom_id _pdbx_struct_sheet_hbond.range_2_auth_atom_id _pdbx_struct_sheet_hbond.range_2_label_atom_id _pdbx_struct_sheet_hbond.sheet_id _struct.pdbx_CASP_flag _struct_conf.pdbx_PDB_helix_id _struct_keywords.text _struct_ref.pdbx_align_begin _struct_ref_seq.db_align_beg _struct_ref_seq.db_align_end _struct_ref_seq_dif.details _struct_sheet.id _struct_sheet_order.sheet_id _struct_sheet_range.sheet_id _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_nmr_data NMR STRUCTURE OF INTERLEUKIN-13 Y RCSB Y RCSB 2000-11-29 REL REL REL REL Using 3D and 4D NMR. structures with the lowest energy 200 20 isotropic 1 3D_15N-separated_NOESY isotropic 1 3D_13C-separated_NOESY isotropic 1 HNCACB isotropic 1 CACBCONH isotropic 2 4D CC-NOESY isotropic 2 4D CN-NOESY 1 mM [U-100% 13C; U-100% 15N] 25 mM natural abundance 50 mM natural abundance 1 mM natural abundance 50mM NaCl Not defined cond1 6.1 pH ambient 298 K torsion angle dynamics 1 lowest energy 1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA, 95% H2O/5% D2O sample1 95% H2O/5% D2O solution Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax processing NMRPipe Kraulis data analysis ANSIG Brunger, Adams, Clore, Gros, Nilges and Read structure calculation CNS Linge, O'Donoghue and Nilges structure calculation ARIA Linge, O'Donoghue and Nilges refinement ARIA 500 Varian INOVA 600 Varian INOVA GLY 1 n 1 GLY 1 A GLY 2 n 2 GLY 2 A PRO 3 n 3 PRO 3 A VAL 4 n 4 VAL 4 A PRO 5 n 5 PRO 5 A PRO 6 n 6 PRO 6 A SER 7 n 7 SER 7 A THR 8 n 8 THR 8 A ALA 9 n 9 ALA 9 A LEU 10 n 10 LEU 10 A ARG 11 n 11 ARG 11 A GLU 12 n 12 GLU 12 A LEU 13 n 13 LEU 13 A ILE 14 n 14 ILE 14 A GLU 15 n 15 GLU 15 A GLU 16 n 16 GLU 16 A LEU 17 n 17 LEU 17 A VAL 18 n 18 VAL 18 A ASN 19 n 19 ASN 19 A ILE 20 n 20 ILE 20 A THR 21 n 21 THR 21 A GLN 22 n 22 GLN 22 A ASN 23 n 23 ASN 23 A GLN 24 n 24 GLN 24 A LYS 25 n 25 LYS 25 A ALA 26 n 26 ALA 26 A PRO 27 n 27 PRO 27 A LEU 28 n 28 LEU 28 A CYS 29 n 29 CYS 29 A ASN 30 n 30 ASN 30 A GLY 31 n 31 GLY 31 A SER 32 n 32 SER 32 A MET 33 n 33 MET 33 A VAL 34 n 34 VAL 34 A TRP 35 n 35 TRP 35 A SER 36 n 36 SER 36 A ILE 37 n 37 ILE 37 A ASN 38 n 38 ASN 38 A LEU 39 n 39 LEU 39 A THR 40 n 40 THR 40 A ALA 41 n 41 ALA 41 A GLY 42 n 42 GLY 42 A MET 43 n 43 MET 43 A TYR 44 n 44 TYR 44 A CYS 45 n 45 CYS 45 A ALA 46 n 46 ALA 46 A ALA 47 n 47 ALA 47 A LEU 48 n 48 LEU 48 A GLU 49 n 49 GLU 49 A SER 50 n 50 SER 50 A LEU 51 n 51 LEU 51 A ILE 52 n 52 ILE 52 A ASN 53 n 53 ASN 53 A VAL 54 n 54 VAL 54 A SER 55 n 55 SER 55 A GLY 56 n 56 GLY 56 A CYS 57 n 57 CYS 57 A SER 58 n 58 SER 58 A ALA 59 n 59 ALA 59 A ILE 60 n 60 ILE 60 A GLU 61 n 61 GLU 61 A LYS 62 n 62 LYS 62 A THR 63 n 63 THR 63 A GLN 64 n 64 GLN 64 A ARG 65 n 65 ARG 65 A MET 66 n 66 MET 66 A LEU 67 n 67 LEU 67 A SER 68 n 68 SER 68 A GLY 69 n 69 GLY 69 A PHE 70 n 70 PHE 70 A CYS 71 n 71 CYS 71 A PRO 72 n 72 PRO 72 A HIS 73 n 73 HIS 73 A LYS 74 n 74 LYS 74 A VAL 75 n 75 VAL 75 A SER 76 n 76 SER 76 A ALA 77 n 77 ALA 77 A GLY 78 n 78 GLY 78 A GLN 79 n 79 GLN 79 A PHE 80 n 80 PHE 80 A SER 81 n 81 SER 81 A SER 82 n 82 SER 82 A LEU 83 n 83 LEU 83 A HIS 84 n 84 HIS 84 A VAL 85 n 85 VAL 85 A ARG 86 n 86 ARG 86 A ASP 87 n 87 ASP 87 A THR 88 n 88 THR 88 A LYS 89 n 89 LYS 89 A ILE 90 n 90 ILE 90 A GLU 91 n 91 GLU 91 A VAL 92 n 92 VAL 92 A ALA 93 n 93 ALA 93 A GLN 94 n 94 GLN 94 A PHE 95 n 95 PHE 95 A VAL 96 n 96 VAL 96 A LYS 97 n 97 LYS 97 A ASP 98 n 98 ASP 98 A LEU 99 n 99 LEU 99 A LEU 100 n 100 LEU 100 A LEU 101 n 101 LEU 101 A HIS 102 n 102 HIS 102 A LEU 103 n 103 LEU 103 A LYS 104 n 104 LYS 104 A LYS 105 n 105 LYS 105 A LEU 106 n 106 LEU 106 A PHE 107 n 107 PHE 107 A ARG 108 n 108 ARG 108 A GLU 109 n 109 GLU 109 A GLY 110 n 110 GLY 110 A ARG 111 n 111 ARG 111 A PHE 112 n 112 PHE 112 A ASN 113 n 113 ASN 113 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 identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 34 A N VAL 34 A O ILE 90 A O ILE 90 1 A PRO 3 -54.20 -171.18 1 A GLN 24 -53.30 179.25 1 A PRO 27 -78.46 -167.95 1 A CYS 29 68.44 -82.59 1 A ASN 30 -147.34 28.07 1 A SER 36 -38.88 148.87 1 A ASN 38 -113.87 55.55 1 A LEU 39 -43.76 -19.87 1 A ALA 41 -151.61 -85.93 1 A CYS 57 -135.56 -68.53 1 A GLU 61 -35.62 -37.56 1 A CYS 71 -46.01 106.70 1 A HIS 73 170.39 -165.77 1 A SER 76 -115.11 -136.40 1 A GLN 79 -168.02 47.90 1 A SER 81 -147.74 30.51 1 A ASP 87 -144.95 -83.10 1 A LEU 101 -56.84 -70.51 1 A ARG 111 -108.92 42.21 2 A VAL 4 62.17 134.49 2 A GLN 24 -54.08 171.94 2 A CYS 29 64.92 -78.92 2 A ASN 30 -150.26 31.12 2 A SER 36 -39.26 146.34 2 A ASN 38 -118.44 50.63 2 A LEU 39 -35.26 -31.38 2 A CYS 57 -135.08 -73.27 2 A CYS 71 -46.56 106.38 2 A HIS 73 167.71 -171.26 2 A VAL 75 -166.48 98.12 2 A SER 76 -105.17 -135.62 2 A SER 81 -59.15 -175.25 2 A HIS 84 -176.74 37.68 2 A VAL 85 -166.22 67.78 2 A ASP 87 -123.58 -80.59 2 A ARG 111 23.45 48.07 3 A GLN 24 -57.25 179.46 3 A ALA 26 -47.67 152.33 3 A SER 32 -164.73 108.32 3 A SER 36 70.46 173.49 3 A ASN 38 -117.62 73.88 3 A THR 40 -165.29 -53.99 3 A CYS 57 -139.70 -75.27 3 A SER 58 75.23 -50.00 3 A PRO 72 -82.43 49.27 3 A HIS 73 177.49 -162.99 3 A SER 76 -115.40 -136.16 3 A SER 81 -176.31 126.35 3 A SER 82 -59.67 -78.57 3 A VAL 85 -168.60 96.61 3 A ASP 87 -170.81 -79.18 3 A ARG 111 -92.03 44.48 4 A PRO 3 -52.42 -175.97 4 A VAL 4 49.75 86.47 4 A GLN 24 -54.87 -176.48 4 A ASN 30 80.57 -51.13 4 A SER 36 -39.26 149.72 4 A LEU 39 -49.34 -12.81 4 A ALA 41 -160.30 -91.23 4 A CYS 57 -138.08 -76.17 4 A HIS 73 -111.76 -140.82 4 A VAL 75 -167.43 97.69 4 A SER 76 -111.91 -136.18 4 A ALA 77 -104.61 75.83 4 A GLN 79 58.80 -170.17 4 A PHE 80 -55.12 176.53 4 A LEU 83 59.91 -176.22 4 A ASP 87 -164.79 -87.23 4 A LEU 101 -56.35 -70.17 4 A ARG 111 23.17 48.71 5 A PRO 3 -56.47 -163.37 5 A VAL 4 51.41 84.04 5 A PRO 6 -65.38 92.05 5 A GLN 22 -115.50 59.43 5 A ASN 23 -133.17 -81.68 5 A ALA 26 -56.07 177.70 5 A CYS 29 -127.79 -76.08 5 A ASN 30 -159.09 28.63 5 A MET 33 -49.29 163.03 5 A SER 36 74.94 169.14 5 A ASN 38 -91.86 55.78 5 A LEU 39 -39.03 -26.58 5 A ALA 41 -177.45 143.40 5 A CYS 57 -133.36 -77.52 5 A CYS 71 -42.86 100.62 5 A VAL 75 -163.71 96.00 5 A SER 76 -110.72 -136.04 5 A GLN 79 43.13 89.48 5 A SER 82 -176.61 -44.35 5 A LEU 83 46.05 92.94 5 A HIS 84 -126.61 -83.68 5 A VAL 85 -177.32 100.38 5 A ASP 87 -175.06 -87.07 5 A ARG 111 23.26 48.00 6 A VAL 4 50.25 87.90 6 A PRO 6 -69.38 63.11 6 A GLN 24 -57.07 -167.10 6 A LEU 28 -57.50 -81.38 6 A CYS 29 -97.69 -63.76 6 A ASN 30 -154.75 53.76 6 A SER 36 94.85 170.23 6 A ASN 38 -109.75 69.10 6 A THR 40 -172.19 -40.71 6 A ALA 41 -165.37 116.00 6 A CYS 57 -136.94 -66.20 6 A HIS 73 171.00 -164.91 6 A VAL 75 -166.97 97.78 6 A SER 76 -96.10 -135.53 6 A PHE 80 45.53 -89.70 6 A HIS 84 78.43 -56.04 6 A ASP 87 -170.26 -80.69 6 A ARG 111 -91.81 43.41 7 A VAL 4 62.04 134.48 7 A ASN 23 -49.63 -85.59 7 A ALA 26 -54.54 176.76 7 A CYS 29 62.80 71.50 7 A ASN 30 70.59 -54.25 7 A SER 36 -40.39 159.98 7 A ASN 38 -107.34 68.08 7 A THR 40 -152.87 -46.20 7 A ALA 41 -134.92 -79.84 7 A CYS 57 -135.19 -68.48 7 A GLU 61 -38.94 -38.71 7 A CYS 71 -43.03 102.96 7 A VAL 75 -167.68 97.41 7 A SER 76 -115.79 -136.34 7 A ALA 77 -110.97 63.18 7 A GLN 79 -176.43 136.74 7 A PHE 80 -101.40 -75.79 7 A SER 81 55.92 -168.10 7 A SER 82 63.97 -79.68 7 A LEU 83 61.24 90.75 7 A ASP 87 -103.22 -81.62 7 A ARG 111 -105.41 43.68 8 A VAL 4 49.43 88.29 8 A CYS 29 83.32 -31.99 8 A ASN 30 44.34 87.95 8 A SER 32 -54.96 106.28 8 A SER 36 -29.51 142.38 8 A CYS 57 -137.87 -70.21 8 A CYS 71 -35.86 97.71 8 A HIS 73 168.05 -171.01 8 A SER 76 -117.03 -136.81 8 A GLN 79 -55.94 -170.86 8 A PHE 80 -56.68 89.21 8 A SER 81 -179.69 101.83 8 A SER 82 70.47 -62.31 8 A HIS 84 78.21 -56.35 8 A VAL 85 -173.64 99.01 8 A ASP 87 -134.39 -83.90 8 A ARG 111 -91.54 42.63 9 A PRO 3 -70.10 -168.06 9 A VAL 4 50.02 79.29 9 A PRO 6 -69.72 76.68 9 A GLN 22 -104.96 -70.17 9 A GLN 24 -66.63 77.95 9 A CYS 29 62.63 -81.37 9 A ASN 30 -169.38 35.42 9 A MET 33 -46.03 162.84 9 A SER 36 73.76 166.62 9 A LEU 39 32.39 82.71 9 A THR 40 -163.79 72.09 9 A ALA 41 63.38 132.85 9 A CYS 57 -127.25 -75.57 9 A SER 58 57.74 19.29 9 A HIS 73 -122.18 -145.88 9 A VAL 75 -160.12 96.25 9 A ALA 77 40.48 98.79 9 A SER 81 -176.84 -40.37 9 A HIS 84 -179.90 -36.91 9 A ASP 87 -168.04 -81.97 10 A VAL 4 62.12 134.21 10 A PRO 6 -70.87 -167.81 10 A GLN 22 -83.98 48.51 10 A ALA 26 -52.99 171.85 10 A CYS 29 62.59 -80.85 10 A ASN 30 -143.02 -46.95 10 A SER 36 -45.51 164.64 10 A THR 40 -173.44 -53.92 10 A VAL 54 -58.98 109.97 10 A CYS 57 -129.33 -73.39 10 A CYS 71 -47.45 107.20 10 A HIS 73 169.91 -166.08 10 A SER 76 -114.54 -136.52 10 A SER 82 -173.73 -79.26 10 A HIS 84 59.65 92.43 10 A VAL 85 -106.23 -83.07 10 A ARG 86 -175.13 138.12 10 A ASP 87 -142.82 -82.64 11 A VAL 4 49.59 88.31 11 A GLN 22 -117.62 -73.38 11 A ASN 23 -36.21 -33.78 11 A LYS 25 76.35 -56.32 11 A LEU 28 -96.21 -66.51 11 A SER 32 -59.34 107.95 11 A SER 36 63.76 169.91 11 A LEU 39 29.79 81.92 11 A THR 40 174.77 91.34 11 A ALA 41 57.09 162.36 11 A CYS 57 -131.93 -77.97 11 A CYS 71 -43.84 103.63 11 A HIS 73 179.43 -168.78 11 A PHE 80 -139.19 -111.89 11 A SER 81 53.98 -168.51 11 A ARG 86 172.73 148.28 11 A LEU 101 -51.68 -70.80 11 A ARG 111 -97.57 42.52 12 A VAL 4 -46.35 104.47 12 A PRO 6 -69.46 -167.63 12 A GLN 22 -91.55 41.67 12 A GLN 24 -56.51 -176.31 12 A LEU 28 -92.19 -84.43 12 A ASN 30 44.11 80.93 12 A SER 32 -164.83 106.05 12 A TRP 35 -59.37 108.70 12 A SER 36 -38.30 149.04 12 A LEU 39 -39.80 -33.57 12 A THR 40 -62.87 77.22 12 A ALA 41 60.65 149.33 12 A CYS 57 -130.27 -72.12 12 A SER 58 58.50 19.60 12 A HIS 73 -91.45 -157.99 12 A VAL 75 -150.69 89.30 12 A ALA 77 36.73 95.83 12 A PHE 80 -112.25 53.95 12 A SER 81 69.12 -67.60 12 A HIS 84 -167.45 -42.68 12 A VAL 85 42.19 75.60 12 A ASP 87 -170.03 -92.82 12 A ARG 111 -108.92 42.82 13 A PRO 3 -53.20 -173.97 13 A VAL 4 50.37 88.93 13 A GLN 24 -56.30 -168.62 13 A LEU 28 -115.06 -80.63 13 A CYS 29 -79.39 -70.02 13 A ASN 30 -165.10 31.46 13 A SER 36 -38.34 146.16 13 A ASN 38 -115.58 60.46 13 A LEU 39 -39.76 -24.77 13 A THR 40 -67.60 82.79 13 A ALA 41 65.04 -86.69 13 A CYS 57 -136.70 -79.16 13 A HIS 73 -115.39 -93.65 13 A LYS 74 175.85 148.14 13 A VAL 75 -162.45 94.88 13 A SER 76 -101.13 -136.82 13 A SER 82 61.24 91.34 13 A LEU 83 -98.71 34.03 13 A HIS 84 -145.68 31.98 13 A ASP 87 -94.59 -80.97 13 A ARG 111 -97.81 43.58 14 A ASN 23 -52.71 93.36 14 A GLN 24 40.80 -167.50 14 A ALA 26 -59.24 172.09 14 A CYS 29 65.85 -76.09 14 A ASN 30 -158.49 -45.04 14 A SER 36 112.20 164.79 14 A LEU 39 -39.93 -22.66 14 A ALA 41 -128.17 -83.01 14 A CYS 57 -132.60 -72.22 14 A SER 58 59.12 19.22 14 A HIS 73 -116.88 -147.41 14 A VAL 75 -166.98 97.88 14 A SER 76 -105.88 -135.63 14 A GLN 79 59.55 -178.43 14 A PHE 80 -148.34 44.93 14 A SER 81 60.91 88.83 14 A SER 82 -178.03 -38.80 14 A HIS 84 -176.90 48.02 14 A ARG 111 -89.20 42.96 15 A PRO 3 -52.23 -176.97 15 A GLN 24 -55.14 -171.67 15 A PRO 27 -78.62 -168.31 15 A LEU 28 -98.90 -87.81 15 A ASN 30 44.14 79.85 15 A SER 32 -165.33 107.47 15 A TRP 35 -59.36 108.45 15 A SER 36 -41.52 152.97 15 A LEU 39 -33.27 -35.91 15 A CYS 57 -133.39 -78.33 15 A CYS 71 -43.26 102.95 15 A HIS 73 178.56 -170.71 15 A ALA 77 52.60 176.38 15 A GLN 79 57.80 169.54 15 A HIS 84 -156.95 29.36 15 A VAL 85 -115.15 70.27 15 A ASP 87 -144.53 -82.48 16 A VAL 4 55.15 78.69 16 A PRO 5 -59.99 173.27 16 A PRO 6 -69.85 -167.49 16 A GLN 22 -87.93 48.40 16 A GLN 24 -55.01 -176.53 16 A LEU 28 -85.47 -81.75 16 A ASN 30 48.71 28.46 16 A SER 32 -164.48 108.73 16 A SER 36 75.05 166.64 16 A ALA 41 -179.16 141.51 16 A CYS 57 -133.35 -71.69 16 A CYS 71 -42.25 103.34 16 A VAL 75 -165.40 96.89 16 A SER 76 -108.97 -136.96 16 A ALA 77 -150.55 -84.55 16 A GLN 79 63.20 86.65 16 A PHE 80 -116.68 -82.46 16 A SER 81 173.68 92.39 16 A SER 82 57.54 -168.43 16 A ASP 87 69.86 -4.25 16 A LEU 101 -56.25 -70.45 17 A VAL 4 -51.35 106.51 17 A PRO 6 -69.44 77.63 17 A GLN 22 -91.66 38.93 17 A GLN 24 -52.30 -95.46 17 A LEU 28 -81.65 -76.60 17 A CYS 29 -147.03 38.09 17 A ASN 30 -35.05 -34.00 17 A SER 36 -34.67 150.06 17 A ILE 37 -48.35 -175.78 17 A ASN 38 -158.13 89.07 17 A ALA 41 75.42 -61.65 17 A CYS 57 -141.02 -59.37 17 A HIS 73 -94.00 -154.78 17 A ALA 77 -58.60 -166.44 17 A GLN 79 -148.80 47.90 17 A SER 82 -176.74 37.57 17 A HIS 84 -168.38 57.63 17 A ASP 87 -67.54 -84.26 18 A PRO 3 -51.93 179.90 18 A GLN 22 -104.86 63.79 18 A ASN 23 -138.69 -83.96 18 A GLN 24 -96.31 -95.39 18 A ALA 26 79.32 40.75 18 A LEU 28 -145.62 -79.41 18 A SER 32 -167.53 107.46 18 A SER 36 71.40 172.05 18 A ASN 38 -104.02 71.00 18 A THR 40 -148.42 -51.93 18 A ALA 41 -141.64 -81.59 18 A CYS 57 -130.62 -77.68 18 A CYS 71 -44.51 103.83 18 A HIS 73 178.96 -168.19 18 A ALA 77 46.06 -172.24 18 A GLN 79 62.68 165.04 18 A SER 81 63.39 -79.37 18 A ASP 87 -136.47 -81.22 19 A GLN 22 -85.95 -75.78 19 A ASN 23 -45.45 -75.68 19 A GLN 24 -57.72 88.51 19 A CYS 29 62.40 -81.71 19 A ASN 30 -165.32 31.41 19 A SER 36 79.78 174.01 19 A ASN 38 -116.09 74.50 19 A THR 40 -169.08 55.55 19 A ALA 41 75.66 101.05 19 A CYS 57 -133.18 -72.77 19 A HIS 73 -99.09 -153.46 19 A VAL 75 -166.50 98.04 19 A ALA 77 -130.16 -75.62 19 A GLN 79 -172.06 58.04 19 A SER 81 -178.28 99.28 19 A SER 82 -165.98 39.79 19 A HIS 84 -155.16 34.80 19 A VAL 85 -114.63 -81.75 19 A ARG 86 58.95 108.33 19 A ASP 87 -135.47 -80.81 20 A VAL 4 49.71 84.23 20 A GLN 24 -56.46 -174.58 20 A ALA 26 -46.75 158.36 20 A LEU 28 -86.72 -84.65 20 A ASN 30 44.87 29.15 20 A MET 33 -49.72 160.06 20 A ASN 38 -113.42 58.38 20 A LEU 39 -39.35 -26.78 20 A CYS 57 -142.95 -64.42 20 A CYS 71 -42.73 102.06 20 A VAL 75 -166.06 97.45 20 A SER 76 -106.58 -135.44 20 A ALA 77 -54.35 -172.87 20 A GLN 79 58.63 -170.89 20 A SER 82 -176.09 36.91 20 A LEU 83 -119.00 70.55 20 A VAL 85 -127.41 -83.69 20 A LEU 101 -56.66 -70.46 20 A ARG 111 -92.87 42.97 N NMR STRUCTURE OF INTERLEUKIN-13 1 N N A SER 7 A SER 7 HELX_P A GLN 22 A GLN 22 1 AA1 16 A MET 43 A MET 43 HELX_P A ILE 52 A ILE 52 1 AA2 10 A ILE 60 A ILE 60 HELX_P A GLY 69 A GLY 69 1 AA3 10 A GLU 91 A GLU 91 HELX_P A GLY 110 A GLY 110 1 AA4 20 disulf 2.030 A CYS 29 A SG CYS 29 1_555 A CYS 57 A SG CYS 57 1_555 disulf 2.031 A CYS 45 A SG CYS 45 1_555 A CYS 71 A SG CYS 71 1_555 CYTOKINE cytokine IL13_HUMAN UNP 1 35 P35225 GPVPPSTALRELIEELVNITQNQKAPLCNGSMVWSINLTAGMYCAALESLINVSGCSAIEKTQRMLSGFCPHKVSAGQFS SLHVRDTKIEVAQFVKDLLLHLKKLFREGRFN 35 146 1GA3 2 113 P35225 A 1 2 113 1 expression tag GLY 1 1GA3 A P35225 UNP 1 2 anti-parallel A VAL 34 A VAL 34 A TRP 35 A TRP 35 A LYS 89 A LYS 89 A ILE 90 A ILE 90