data_1M4B # _entry.id 1M4B # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.351 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code _database_2.pdbx_database_accession _database_2.pdbx_DOI PDB 1M4B pdb_00001m4b 10.2210/pdb1m4b/pdb RCSB RCSB016580 ? ? WWPDB D_1000016580 ? ? # loop_ _pdbx_database_related.db_name _pdbx_database_related.db_id _pdbx_database_related.details _pdbx_database_related.content_type PDB 1M47 '1M47 IS THE Crystal Structure of Human Interleukin-2' unspecified PDB 1M48 ;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 ; unspecified PDB 1M49 '1m49 is the crystal structure of human interleukin-2 complexed with SP-1985' unspecified PDB 1M4A ;1m4a is the crystal structure of human interleukin-2 Y31C covalently modified at C31 with (1H-Indol-3-yl)-(2-mercapto-ethoxyimino)-acetic acid ; unspecified PDB 1M4C '1M4C is the crystal structure of human interleukin-2' unspecified # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 1M4B _pdbx_database_status.recvd_initial_deposition_date 2002-07-02 _pdbx_database_status.deposit_site RCSB _pdbx_database_status.process_site RCSB _pdbx_database_status.status_code_sf REL _pdbx_database_status.SG_entry . _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_mr ? _pdbx_database_status.status_code_cs ? _pdbx_database_status.methods_development_category ? _pdbx_database_status.status_code_nmr_data ? # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Arkin, M.A.' 1 'Randal, M.' 2 'DeLano, W.L.' 3 'Hyde, J.' 4 'Luong, T.N.' 5 'Oslob, J.D.' 6 'Raphael, D.R.' 7 'Taylor, L.' 8 'Wang, J.' 9 'McDowell, R.S.' 10 'Wells, J.A.' 11 'Braisted, A.C.' 12 # _citation.id primary _citation.title ;Binding of small molecules to an adaptive protein-protein interface ; _citation.journal_abbrev Proc.Natl.Acad.Sci.USA _citation.journal_volume 100 _citation.page_first 1603 _citation.page_last 1608 _citation.year 2003 _citation.journal_id_ASTM PNASA6 _citation.country US _citation.journal_id_ISSN 0027-8424 _citation.journal_id_CSD 0040 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 12582206 _citation.pdbx_database_id_DOI 10.1073/pnas.252756299 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Arkin, M.A.' 1 ? primary 'Randal, M.' 2 ? primary 'DeLano, W.L.' 3 ? primary 'Hyde, J.' 4 ? primary 'Luong, T.N.' 5 ? primary 'Oslob, J.D.' 6 ? primary 'Raphael, D.R.' 7 ? primary 'Taylor, L.' 8 ? primary 'Wang, J.' 9 ? primary 'McDowell, R.S.' 10 ? primary 'Wells, J.A.' 11 ? primary 'Braisted, A.C.' 12 ? # _cell.entry_id 1M4B _cell.length_a 98.488 _cell.length_b 35.102 _cell.length_c 36.642 _cell.angle_alpha 90.00 _cell.angle_beta 97.52 _cell.angle_gamma 90.00 _cell.Z_PDB 4 _cell.pdbx_unique_axis ? # _symmetry.entry_id 1M4B _symmetry.space_group_name_H-M 'C 1 2 1' _symmetry.pdbx_full_space_group_name_H-M ? _symmetry.cell_setting ? _symmetry.Int_Tables_number 5 # loop_ _entity.id _entity.type _entity.src_method _entity.pdbx_description _entity.formula_weight _entity.pdbx_number_of_molecules _entity.pdbx_ec _entity.pdbx_mutation _entity.pdbx_fragment _entity.details 1 polymer man interleukin-2 15409.942 1 ? K43C ? ? 2 non-polymer syn '2-[2-(2-CYCLOHEXYL-2-GUANIDINO-ACETYLAMINO)-ACETYLAMINO]-N-(3-MERCAPTO-PROPYL)-PROPIONAMIDE' 400.539 1 ? ? ? ? 3 water nat water 18.015 19 ? ? ? ? # _entity_name_com.entity_id 1 _entity_name_com.name 'IL-2, T-CELL GROWTH FACTOR, TCGF, ALDESLEUKIN' # _entity_poly.entity_id 1 _entity_poly.type 'polypeptide(L)' _entity_poly.nstd_linkage no _entity_poly.nstd_monomer no _entity_poly.pdbx_seq_one_letter_code ;APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFCFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT ; _entity_poly.pdbx_seq_one_letter_code_can ;APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFCFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT ; _entity_poly.pdbx_strand_id A _entity_poly.pdbx_target_identifier ? # loop_ _entity_poly_seq.entity_id _entity_poly_seq.num _entity_poly_seq.mon_id _entity_poly_seq.hetero 1 1 ALA n 1 2 PRO n 1 3 THR n 1 4 SER n 1 5 SER n 1 6 SER n 1 7 THR n 1 8 LYS n 1 9 LYS n 1 10 THR n 1 11 GLN n 1 12 LEU n 1 13 GLN n 1 14 LEU n 1 15 GLU n 1 16 HIS n 1 17 LEU n 1 18 LEU n 1 19 LEU n 1 20 ASP n 1 21 LEU n 1 22 GLN n 1 23 MET n 1 24 ILE n 1 25 LEU n 1 26 ASN n 1 27 GLY n 1 28 ILE n 1 29 ASN n 1 30 ASN n 1 31 TYR n 1 32 LYS n 1 33 ASN n 1 34 PRO n 1 35 LYS n 1 36 LEU n 1 37 THR n 1 38 ARG n 1 39 MET n 1 40 LEU n 1 41 THR n 1 42 PHE n 1 43 CYS n 1 44 PHE n 1 45 TYR n 1 46 MET n 1 47 PRO n 1 48 LYS n 1 49 LYS n 1 50 ALA n 1 51 THR n 1 52 GLU n 1 53 LEU n 1 54 LYS n 1 55 HIS n 1 56 LEU n 1 57 GLN n 1 58 CYS n 1 59 LEU n 1 60 GLU n 1 61 GLU n 1 62 GLU n 1 63 LEU n 1 64 LYS n 1 65 PRO n 1 66 LEU n 1 67 GLU n 1 68 GLU n 1 69 VAL n 1 70 LEU n 1 71 ASN n 1 72 LEU n 1 73 ALA n 1 74 GLN n 1 75 SER n 1 76 LYS n 1 77 ASN n 1 78 PHE n 1 79 HIS n 1 80 LEU n 1 81 ARG n 1 82 PRO n 1 83 ARG n 1 84 ASP n 1 85 LEU n 1 86 ILE n 1 87 SER n 1 88 ASN n 1 89 ILE n 1 90 ASN n 1 91 VAL n 1 92 ILE n 1 93 VAL n 1 94 LEU n 1 95 GLU n 1 96 LEU n 1 97 LYS n 1 98 GLY n 1 99 SER n 1 100 GLU n 1 101 THR n 1 102 THR n 1 103 PHE n 1 104 MET n 1 105 CYS n 1 106 GLU n 1 107 TYR n 1 108 ALA n 1 109 ASP n 1 110 GLU n 1 111 THR n 1 112 ALA n 1 113 THR n 1 114 ILE n 1 115 VAL n 1 116 GLU n 1 117 PHE n 1 118 LEU n 1 119 ASN n 1 120 ARG n 1 121 TRP n 1 122 ILE n 1 123 THR n 1 124 PHE n 1 125 CYS n 1 126 GLN n 1 127 SER n 1 128 ILE n 1 129 ILE n 1 130 SER n 1 131 THR n 1 132 LEU n 1 133 THR n # _entity_src_gen.entity_id 1 _entity_src_gen.pdbx_src_id 1 _entity_src_gen.pdbx_alt_source_flag sample _entity_src_gen.pdbx_seq_type ? _entity_src_gen.pdbx_beg_seq_num ? _entity_src_gen.pdbx_end_seq_num ? _entity_src_gen.gene_src_common_name human _entity_src_gen.gene_src_genus Homo _entity_src_gen.pdbx_gene_src_gene ? _entity_src_gen.gene_src_species ? _entity_src_gen.gene_src_strain ? _entity_src_gen.gene_src_tissue ? _entity_src_gen.gene_src_tissue_fraction ? _entity_src_gen.gene_src_details ? _entity_src_gen.pdbx_gene_src_fragment ? _entity_src_gen.pdbx_gene_src_scientific_name 'Homo sapiens' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 9606 _entity_src_gen.pdbx_gene_src_variant ? _entity_src_gen.pdbx_gene_src_cell_line ? _entity_src_gen.pdbx_gene_src_atcc ? _entity_src_gen.pdbx_gene_src_organ ? _entity_src_gen.pdbx_gene_src_organelle ? _entity_src_gen.pdbx_gene_src_cell ? _entity_src_gen.pdbx_gene_src_cellular_location ? _entity_src_gen.host_org_common_name ? _entity_src_gen.pdbx_host_org_scientific_name 'Escherichia coli BL21' _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id 511693 _entity_src_gen.host_org_genus Escherichia _entity_src_gen.pdbx_host_org_gene ? _entity_src_gen.pdbx_host_org_organ ? _entity_src_gen.host_org_species 'Escherichia coli' _entity_src_gen.pdbx_host_org_tissue ? _entity_src_gen.pdbx_host_org_tissue_fraction ? _entity_src_gen.pdbx_host_org_strain BL21 _entity_src_gen.pdbx_host_org_variant ? _entity_src_gen.pdbx_host_org_cell_line ? _entity_src_gen.pdbx_host_org_atcc ? _entity_src_gen.pdbx_host_org_culture_collection ? _entity_src_gen.pdbx_host_org_cell ? _entity_src_gen.pdbx_host_org_organelle ? _entity_src_gen.pdbx_host_org_cellular_location ? _entity_src_gen.pdbx_host_org_vector_type plasmid _entity_src_gen.pdbx_host_org_vector ? _entity_src_gen.host_org_details ? _entity_src_gen.expression_system_id ? _entity_src_gen.plasmid_name pRSET _entity_src_gen.plasmid_details ? _entity_src_gen.pdbx_description ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code IL2_HUMAN _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code ;APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHL RPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT ; _struct_ref.pdbx_align_begin 21 _struct_ref.pdbx_db_accession P60568 _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 1M4B _struct_ref_seq.pdbx_strand_id A _struct_ref_seq.seq_align_beg 1 _struct_ref_seq.pdbx_seq_align_beg_ins_code ? _struct_ref_seq.seq_align_end 133 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession P60568 _struct_ref_seq.db_align_beg 21 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 153 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 1 _struct_ref_seq.pdbx_auth_seq_align_end 133 # _struct_ref_seq_dif.align_id 1 _struct_ref_seq_dif.pdbx_pdb_id_code 1M4B _struct_ref_seq_dif.mon_id CYS _struct_ref_seq_dif.pdbx_pdb_strand_id A _struct_ref_seq_dif.seq_num 43 _struct_ref_seq_dif.pdbx_pdb_ins_code ? _struct_ref_seq_dif.pdbx_seq_db_name UNP _struct_ref_seq_dif.pdbx_seq_db_accession_code P60568 _struct_ref_seq_dif.db_mon_id LYS _struct_ref_seq_dif.pdbx_seq_db_seq_num 63 _struct_ref_seq_dif.details 'engineered mutation' _struct_ref_seq_dif.pdbx_auth_seq_num 43 _struct_ref_seq_dif.pdbx_ordinal 1 # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 ARG 'L-peptide linking' y ARGININE ? 'C6 H15 N4 O2 1' 175.209 ASN 'L-peptide linking' y ASPARAGINE ? 'C4 H8 N2 O3' 132.118 ASP 'L-peptide linking' y 'ASPARTIC ACID' ? 'C4 H7 N O4' 133.103 CYS 'L-peptide linking' y CYSTEINE ? 'C3 H7 N O2 S' 121.158 GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4' 147.129 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 HOH non-polymer . WATER ? 'H2 O' 18.015 ILE 'L-peptide linking' y ISOLEUCINE ? 'C6 H13 N O2' 131.173 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 LYS 'L-peptide linking' y LYSINE ? 'C6 H15 N2 O2 1' 147.195 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 NMP non-polymer . '2-[2-(2-CYCLOHEXYL-2-GUANIDINO-ACETYLAMINO)-ACETYLAMINO]-N-(3-MERCAPTO-PROPYL)-PROPIONAMIDE' ? 'C17 H32 N6 O3 S' 400.539 PHE 'L-peptide linking' y PHENYLALANINE ? 'C9 H11 N O2' 165.189 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 THR 'L-peptide linking' y THREONINE ? 'C4 H9 N O3' 119.119 TRP 'L-peptide linking' y TRYPTOPHAN ? 'C11 H12 N2 O2' 204.225 TYR 'L-peptide linking' y TYROSINE ? 'C9 H11 N O3' 181.189 VAL 'L-peptide linking' y VALINE ? 'C5 H11 N O2' 117.146 # _exptl.entry_id 1M4B _exptl.method 'X-RAY DIFFRACTION' _exptl.crystals_number 1 # _exptl_crystal.id 1 _exptl_crystal.density_meas ? _exptl_crystal.density_percent_sol 39.61 _exptl_crystal.density_Matthews 2.04 _exptl_crystal.description ? # _exptl_crystal_grow.crystal_id 1 _exptl_crystal_grow.method 'VAPOR DIFFUSION, HANGING DROP' _exptl_crystal_grow.temp 298 _exptl_crystal_grow.temp_details ? _exptl_crystal_grow.pH 7.0 _exptl_crystal_grow.pdbx_details 'pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K' _exptl_crystal_grow.pdbx_pH_range ? # _diffrn.id 1 _diffrn.ambient_temp 100 _diffrn.ambient_temp_details ? _diffrn.crystal_id 1 # _diffrn_detector.diffrn_id 1 _diffrn_detector.detector 'IMAGE PLATE' _diffrn_detector.type 'RIGAKU RAXIS IV' _diffrn_detector.pdbx_collection_date 2000-12-18 _diffrn_detector.details mirror # _diffrn_radiation.diffrn_id 1 _diffrn_radiation.wavelength_id 1 _diffrn_radiation.pdbx_monochromatic_or_laue_m_l M _diffrn_radiation.monochromator 'yale mirrors' _diffrn_radiation.pdbx_diffrn_protocol 'SINGLE WAVELENGTH' _diffrn_radiation.pdbx_scattering_type x-ray # _diffrn_radiation_wavelength.id 1 _diffrn_radiation_wavelength.wavelength 1.5418 _diffrn_radiation_wavelength.wt 1.0 # _diffrn_source.diffrn_id 1 _diffrn_source.source 'ROTATING ANODE' _diffrn_source.type RIGAKU _diffrn_source.pdbx_synchrotron_site ? _diffrn_source.pdbx_synchrotron_beamline ? _diffrn_source.pdbx_wavelength ? _diffrn_source.pdbx_wavelength_list 1.5418 # _reflns.entry_id 1M4B _reflns.observed_criterion_sigma_F 0 _reflns.observed_criterion_sigma_I 0 _reflns.d_resolution_high 2.13 _reflns.d_resolution_low 10.0 _reflns.number_all 6926 _reflns.number_obs 6926 _reflns.percent_possible_obs 97.5 _reflns.pdbx_Rmerge_I_obs 0.067 _reflns.pdbx_Rsym_value 0.067 _reflns.pdbx_netI_over_sigmaI 12.7 _reflns.B_iso_Wilson_estimate 33.0 _reflns.pdbx_redundancy 4.9 _reflns.R_free_details ? _reflns.limit_h_max ? _reflns.limit_h_min ? _reflns.limit_k_max ? _reflns.limit_k_min ? _reflns.limit_l_max ? _reflns.limit_l_min ? _reflns.observed_criterion_F_max ? _reflns.observed_criterion_F_min ? _reflns.pdbx_diffrn_id 1 _reflns.pdbx_ordinal 1 # _reflns_shell.d_res_high 2.13 _reflns_shell.d_res_low 2.21 _reflns_shell.percent_possible_all 78.0 _reflns_shell.Rmerge_I_obs 0.34 _reflns_shell.pdbx_Rsym_value 0.34 _reflns_shell.meanI_over_sigI_obs 6.7 _reflns_shell.pdbx_redundancy 3.8 _reflns_shell.percent_possible_obs ? _reflns_shell.number_unique_all 558 _reflns_shell.pdbx_diffrn_id ? _reflns_shell.pdbx_ordinal 1 # _refine.entry_id 1M4B _refine.ls_number_reflns_obs 6490 _refine.ls_number_reflns_all 6490 _refine.pdbx_ls_sigma_I 0 _refine.pdbx_ls_sigma_F 0 _refine.pdbx_data_cutoff_high_absF ? _refine.pdbx_data_cutoff_low_absF ? _refine.ls_d_res_low 10.00 _refine.ls_d_res_high 2.15 _refine.ls_percent_reflns_obs 99.37 _refine.ls_R_factor_obs 0.24686 _refine.ls_R_factor_all 0.24686 _refine.ls_R_factor_R_work 0.24505 _refine.ls_R_factor_R_free 0.28584 _refine.ls_R_factor_R_free_error ? _refine.ls_R_factor_R_free_error_details ? _refine.ls_percent_reflns_R_free 4.7 _refine.ls_number_reflns_R_free 320 _refine.ls_number_parameters ? _refine.ls_number_restraints ? _refine.occupancy_min ? _refine.occupancy_max ? _refine.correlation_coeff_Fo_to_Fc 0.922 _refine.correlation_coeff_Fo_to_Fc_free 0.898 _refine.B_iso_mean 36.291 _refine.aniso_B[1][1] -0.76 _refine.aniso_B[2][2] 0.92 _refine.aniso_B[3][3] -0.50 _refine.aniso_B[1][2] 0.00 _refine.aniso_B[1][3] -1.30 _refine.aniso_B[2][3] 0.00 _refine.solvent_model_details MASK _refine.solvent_model_param_ksol ? _refine.solvent_model_param_bsol ? _refine.pdbx_solvent_vdw_probe_radii 1.40 _refine.pdbx_solvent_ion_probe_radii 0.80 _refine.pdbx_solvent_shrinkage_radii 0.80 _refine.pdbx_ls_cross_valid_method THROUGHOUT _refine.details ? _refine.pdbx_starting_model ? _refine.pdbx_method_to_determine_struct 'MOLECULAR REPLACEMENT' _refine.pdbx_isotropic_thermal_model isotropic _refine.pdbx_stereochemistry_target_values 'MAXIMUM LIKELIHOOD' _refine.pdbx_stereochem_target_val_spec_case ? _refine.pdbx_R_Free_selection_details RANDOM _refine.pdbx_overall_ESU_R_Free 0.244 _refine.overall_SU_B ? _refine.ls_redundancy_reflns_obs ? _refine.B_iso_min ? _refine.B_iso_max ? _refine.overall_SU_R_Cruickshank_DPI ? _refine.overall_SU_R_free ? _refine.overall_SU_ML ? _refine.pdbx_overall_ESU_R 0.336 _refine.pdbx_data_cutoff_high_rms_absF ? _refine.pdbx_refine_id 'X-RAY DIFFRACTION' _refine.pdbx_diffrn_id 1 _refine.pdbx_TLS_residual_ADP_flag ? _refine.pdbx_overall_phase_error ? _refine.pdbx_overall_SU_R_free_Cruickshank_DPI ? _refine.pdbx_overall_SU_R_Blow_DPI ? _refine.pdbx_overall_SU_R_free_Blow_DPI ? # _refine_hist.pdbx_refine_id 'X-RAY DIFFRACTION' _refine_hist.cycle_id LAST _refine_hist.pdbx_number_atoms_protein 944 _refine_hist.pdbx_number_atoms_nucleic_acid 0 _refine_hist.pdbx_number_atoms_ligand 27 _refine_hist.number_atoms_solvent 19 _refine_hist.number_atoms_total 990 _refine_hist.d_res_high 2.15 _refine_hist.d_res_low 10.00 # loop_ _refine_ls_restr.type _refine_ls_restr.dev_ideal _refine_ls_restr.dev_ideal_target _refine_ls_restr.weight _refine_ls_restr.number _refine_ls_restr.pdbx_refine_id _refine_ls_restr.pdbx_restraint_function r_bond_refined_d 0.004 0.022 ? 985 'X-RAY DIFFRACTION' ? r_angle_refined_deg 0.771 2.013 ? 1324 'X-RAY DIFFRACTION' ? r_dihedral_angle_1_deg 1.920 5.000 ? 113 'X-RAY DIFFRACTION' ? r_chiral_restr 0.059 0.200 ? 161 'X-RAY DIFFRACTION' ? r_gen_planes_refined 0.002 0.020 ? 684 'X-RAY DIFFRACTION' ? r_nbd_refined 0.224 0.200 ? 491 'X-RAY DIFFRACTION' ? r_xyhbond_nbd_refined 0.169 0.200 ? 29 'X-RAY DIFFRACTION' ? r_symmetry_vdw_refined 0.270 0.200 ? 38 'X-RAY DIFFRACTION' ? r_symmetry_hbond_refined 0.527 0.200 ? 2 'X-RAY DIFFRACTION' ? r_mcbond_it 3.189 2.500 ? 578 'X-RAY DIFFRACTION' ? r_mcangle_it 5.481 5.000 ? 941 'X-RAY DIFFRACTION' ? r_scbond_it 3.558 2.500 ? 407 'X-RAY DIFFRACTION' ? r_scangle_it 5.652 5.000 ? 383 'X-RAY DIFFRACTION' ? # _refine_ls_shell.pdbx_total_number_of_bins_used 15 _refine_ls_shell.d_res_high 2.150 _refine_ls_shell.d_res_low 2.222 _refine_ls_shell.number_reflns_R_work 578 _refine_ls_shell.R_factor_R_work 0.328 _refine_ls_shell.percent_reflns_obs 67.6 _refine_ls_shell.R_factor_R_free 0.435 _refine_ls_shell.R_factor_R_free_error ? _refine_ls_shell.percent_reflns_R_free ? _refine_ls_shell.number_reflns_R_free 38 _refine_ls_shell.number_reflns_obs 616 _refine_ls_shell.redundancy_reflns_obs ? _refine_ls_shell.number_reflns_all ? _refine_ls_shell.pdbx_refine_id 'X-RAY DIFFRACTION' _refine_ls_shell.R_factor_all ? # _struct.entry_id 1M4B _struct.title ;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 ; _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 1M4B _struct_keywords.pdbx_keywords CYTOKINE _struct_keywords.text 'cytokine, four-helix bundle, small molecule complex' # loop_ _struct_asym.id _struct_asym.pdbx_blank_PDB_chainid_flag _struct_asym.pdbx_modified _struct_asym.entity_id _struct_asym.details A N N 1 ? B N N 2 ? C N N 3 ? # loop_ _struct_conf.conf_type_id _struct_conf.id _struct_conf.pdbx_PDB_helix_id _struct_conf.beg_label_comp_id _struct_conf.beg_label_asym_id _struct_conf.beg_label_seq_id _struct_conf.pdbx_beg_PDB_ins_code _struct_conf.end_label_comp_id _struct_conf.end_label_asym_id _struct_conf.end_label_seq_id _struct_conf.pdbx_end_PDB_ins_code _struct_conf.beg_auth_comp_id _struct_conf.beg_auth_asym_id _struct_conf.beg_auth_seq_id _struct_conf.end_auth_comp_id _struct_conf.end_auth_asym_id _struct_conf.end_auth_seq_id _struct_conf.pdbx_PDB_helix_class _struct_conf.details _struct_conf.pdbx_PDB_helix_length HELX_P HELX_P1 1 SER A 5 ? ASN A 30 ? SER A 5 ASN A 30 1 ? 26 HELX_P HELX_P2 2 LYS A 35 ? LEU A 40 ? LYS A 35 LEU A 40 1 ? 6 HELX_P HELX_P3 3 GLU A 52 ? HIS A 55 ? GLU A 52 HIS A 55 5 ? 4 HELX_P HELX_P4 4 LEU A 56 ? GLU A 61 ? LEU A 56 GLU A 61 1 ? 6 HELX_P HELX_P5 5 GLU A 62 ? ASN A 71 ? GLU A 62 ASN A 71 1 ? 10 HELX_P HELX_P6 6 ARG A 83 ? GLY A 98 ? ARG A 83 GLY A 98 1 ? 16 HELX_P HELX_P7 7 THR A 113 ? LEU A 132 ? THR A 113 LEU A 132 1 ? 20 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order _struct_conn.pdbx_role disulf1 disulf ? ? A CYS 58 SG ? ? ? 1_555 A CYS 105 SG ? ? A CYS 58 A CYS 105 1_555 ? ? ? ? ? ? ? 2.029 ? ? covale1 covale none ? A CYS 43 SG ? ? ? 1_555 B NMP . S27 ? ? A CYS 43 A NMP 201 1_555 ? ? ? ? ? ? ? 2.038 ? ? # loop_ _struct_conn_type.id _struct_conn_type.criteria _struct_conn_type.reference disulf ? ? covale ? ? # _struct_site.id AC1 _struct_site.pdbx_evidence_code Software _struct_site.pdbx_auth_asym_id A _struct_site.pdbx_auth_comp_id NMP _struct_site.pdbx_auth_seq_id 201 _struct_site.pdbx_auth_ins_code ? _struct_site.pdbx_num_residues 7 _struct_site.details 'BINDING SITE FOR RESIDUE NMP A 201' # loop_ _struct_site_gen.id _struct_site_gen.site_id _struct_site_gen.pdbx_num_res _struct_site_gen.label_comp_id _struct_site_gen.label_asym_id _struct_site_gen.label_seq_id _struct_site_gen.pdbx_auth_ins_code _struct_site_gen.auth_comp_id _struct_site_gen.auth_asym_id _struct_site_gen.auth_seq_id _struct_site_gen.label_atom_id _struct_site_gen.label_alt_id _struct_site_gen.symmetry _struct_site_gen.details 1 AC1 7 PHE A 42 ? PHE A 42 . ? 1_555 ? 2 AC1 7 CYS A 43 ? CYS A 43 . ? 1_555 ? 3 AC1 7 TYR A 45 ? TYR A 45 . ? 1_555 ? 4 AC1 7 GLU A 62 ? GLU A 62 . ? 1_555 ? 5 AC1 7 PRO A 65 ? PRO A 65 . ? 1_555 ? 6 AC1 7 ILE A 86 ? ILE A 86 . ? 4_545 ? 7 AC1 7 HOH C . ? HOH A 203 . ? 1_555 ? # _database_PDB_matrix.entry_id 1M4B _database_PDB_matrix.origx[1][1] 1.000000 _database_PDB_matrix.origx[1][2] 0.000000 _database_PDB_matrix.origx[1][3] 0.000000 _database_PDB_matrix.origx[2][1] 0.000000 _database_PDB_matrix.origx[2][2] 1.000000 _database_PDB_matrix.origx[2][3] 0.000000 _database_PDB_matrix.origx[3][1] 0.000000 _database_PDB_matrix.origx[3][2] 0.000000 _database_PDB_matrix.origx[3][3] 1.000000 _database_PDB_matrix.origx_vector[1] 0.00000 _database_PDB_matrix.origx_vector[2] 0.00000 _database_PDB_matrix.origx_vector[3] 0.00000 # _atom_sites.entry_id 1M4B _atom_sites.fract_transf_matrix[1][1] 0.010154 _atom_sites.fract_transf_matrix[1][2] 0.000000 _atom_sites.fract_transf_matrix[1][3] 0.001340 _atom_sites.fract_transf_matrix[2][1] 0.000000 _atom_sites.fract_transf_matrix[2][2] 0.028488 _atom_sites.fract_transf_matrix[2][3] 0.000000 _atom_sites.fract_transf_matrix[3][1] 0.000000 _atom_sites.fract_transf_matrix[3][2] 0.000000 _atom_sites.fract_transf_matrix[3][3] 0.027527 _atom_sites.fract_transf_vector[1] 0.00000 _atom_sites.fract_transf_vector[2] 0.00000 _atom_sites.fract_transf_vector[3] 0.00000 # loop_ _atom_type.symbol C N O S # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 ALA 1 1 ? ? ? A . n A 1 2 PRO 2 2 ? ? ? A . n A 1 3 THR 3 3 ? ? ? A . n A 1 4 SER 4 4 ? ? ? A . n A 1 5 SER 5 5 5 SER SER A . n A 1 6 SER 6 6 6 SER SER A . n A 1 7 THR 7 7 7 THR THR A . n A 1 8 LYS 8 8 8 LYS LYS A . n A 1 9 LYS 9 9 9 LYS LYS A . n A 1 10 THR 10 10 10 THR THR A . n A 1 11 GLN 11 11 11 GLN GLN A . n A 1 12 LEU 12 12 12 LEU LEU A . n A 1 13 GLN 13 13 13 GLN GLN A . n A 1 14 LEU 14 14 14 LEU LEU A . n A 1 15 GLU 15 15 15 GLU GLU A . n A 1 16 HIS 16 16 16 HIS HIS A . n A 1 17 LEU 17 17 17 LEU LEU A . n A 1 18 LEU 18 18 18 LEU LEU A . n A 1 19 LEU 19 19 19 LEU LEU A . n A 1 20 ASP 20 20 20 ASP ASP A . n A 1 21 LEU 21 21 21 LEU LEU A . n A 1 22 GLN 22 22 22 GLN GLN A . n A 1 23 MET 23 23 23 MET MET A . n A 1 24 ILE 24 24 24 ILE ILE A . n A 1 25 LEU 25 25 25 LEU LEU A . n A 1 26 ASN 26 26 26 ASN ASN A . n A 1 27 GLY 27 27 27 GLY GLY A . n A 1 28 ILE 28 28 28 ILE ILE A . n A 1 29 ASN 29 29 29 ASN ASN A . n A 1 30 ASN 30 30 30 ASN ASN A . n A 1 31 TYR 31 31 31 TYR TYR A . n A 1 32 LYS 32 32 32 LYS LYS A . n A 1 33 ASN 33 33 33 ASN ASN A . n A 1 34 PRO 34 34 34 PRO PRO A . n A 1 35 LYS 35 35 35 LYS LYS A . n A 1 36 LEU 36 36 36 LEU LEU A . n A 1 37 THR 37 37 37 THR THR A . n A 1 38 ARG 38 38 38 ARG ARG A . n A 1 39 MET 39 39 39 MET MET A . n A 1 40 LEU 40 40 40 LEU LEU A . n A 1 41 THR 41 41 41 THR THR A . n A 1 42 PHE 42 42 42 PHE PHE A . n A 1 43 CYS 43 43 43 CYS CYS A . n A 1 44 PHE 44 44 44 PHE PHE A . n A 1 45 TYR 45 45 45 TYR TYR A . n A 1 46 MET 46 46 46 MET MET A . n A 1 47 PRO 47 47 47 PRO PRO A . n A 1 48 LYS 48 48 48 LYS LYS A . n A 1 49 LYS 49 49 49 LYS LYS A . n A 1 50 ALA 50 50 50 ALA ALA A . n A 1 51 THR 51 51 51 THR THR A . n A 1 52 GLU 52 52 52 GLU GLU A . n A 1 53 LEU 53 53 53 LEU LEU A . n A 1 54 LYS 54 54 54 LYS LYS A . n A 1 55 HIS 55 55 55 HIS HIS A . n A 1 56 LEU 56 56 56 LEU LEU A . n A 1 57 GLN 57 57 57 GLN GLN A . n A 1 58 CYS 58 58 58 CYS CYS A . n A 1 59 LEU 59 59 59 LEU LEU A . n A 1 60 GLU 60 60 60 GLU GLU A . n A 1 61 GLU 61 61 61 GLU GLU A . n A 1 62 GLU 62 62 62 GLU GLU A . n A 1 63 LEU 63 63 63 LEU LEU A . n A 1 64 LYS 64 64 64 LYS LYS A . n A 1 65 PRO 65 65 65 PRO PRO A . n A 1 66 LEU 66 66 66 LEU LEU A . n A 1 67 GLU 67 67 67 GLU GLU A . n A 1 68 GLU 68 68 68 GLU GLU A . n A 1 69 VAL 69 69 69 VAL VAL A . n A 1 70 LEU 70 70 70 LEU LEU A . n A 1 71 ASN 71 71 71 ASN ASN A . n A 1 72 LEU 72 72 72 LEU LEU A . n A 1 73 ALA 73 73 73 ALA ALA A . n A 1 74 GLN 74 74 ? ? ? A . n A 1 75 SER 75 75 ? ? ? A . n A 1 76 LYS 76 76 ? ? ? A . n A 1 77 ASN 77 77 ? ? ? A . n A 1 78 PHE 78 78 ? ? ? A . n A 1 79 HIS 79 79 ? ? ? A . n A 1 80 LEU 80 80 ? ? ? A . n A 1 81 ARG 81 81 ? ? ? A . n A 1 82 PRO 82 82 ? ? ? A . n A 1 83 ARG 83 83 83 ARG ARG A . n A 1 84 ASP 84 84 84 ASP ASP A . n A 1 85 LEU 85 85 85 LEU LEU A . n A 1 86 ILE 86 86 86 ILE ILE A . n A 1 87 SER 87 87 87 SER SER A . n A 1 88 ASN 88 88 88 ASN ASN A . n A 1 89 ILE 89 89 89 ILE ILE A . n A 1 90 ASN 90 90 90 ASN ASN A . n A 1 91 VAL 91 91 91 VAL VAL A . n A 1 92 ILE 92 92 92 ILE ILE A . n A 1 93 VAL 93 93 93 VAL VAL A . n A 1 94 LEU 94 94 94 LEU LEU A . n A 1 95 GLU 95 95 95 GLU GLU A . n A 1 96 LEU 96 96 96 LEU LEU A . n A 1 97 LYS 97 97 97 LYS LYS A . n A 1 98 GLY 98 98 98 GLY GLY A . n A 1 99 SER 99 99 ? ? ? A . n A 1 100 GLU 100 100 ? ? ? A . n A 1 101 THR 101 101 ? ? ? A . n A 1 102 THR 102 102 ? ? ? A . n A 1 103 PHE 103 103 103 PHE PHE A . n A 1 104 MET 104 104 104 MET MET A . n A 1 105 CYS 105 105 105 CYS CYS A . n A 1 106 GLU 106 106 106 GLU GLU A . n A 1 107 TYR 107 107 107 TYR TYR A . n A 1 108 ALA 108 108 108 ALA ALA A . n A 1 109 ASP 109 109 109 ASP ASP A . n A 1 110 GLU 110 110 110 GLU GLU A . n A 1 111 THR 111 111 111 THR THR A . n A 1 112 ALA 112 112 112 ALA ALA A . n A 1 113 THR 113 113 113 THR THR A . n A 1 114 ILE 114 114 114 ILE ILE A . n A 1 115 VAL 115 115 115 VAL VAL A . n A 1 116 GLU 116 116 116 GLU GLU A . n A 1 117 PHE 117 117 117 PHE PHE A . n A 1 118 LEU 118 118 118 LEU LEU A . n A 1 119 ASN 119 119 119 ASN ASN A . n A 1 120 ARG 120 120 120 ARG ARG A . n A 1 121 TRP 121 121 121 TRP TRP A . n A 1 122 ILE 122 122 122 ILE ILE A . n A 1 123 THR 123 123 123 THR THR A . n A 1 124 PHE 124 124 124 PHE PHE A . n A 1 125 CYS 125 125 125 CYS CYS A . n A 1 126 GLN 126 126 126 GLN GLN A . n A 1 127 SER 127 127 127 SER SER A . n A 1 128 ILE 128 128 128 ILE ILE A . n A 1 129 ILE 129 129 129 ILE ILE A . n A 1 130 SER 130 130 130 SER SER A . n A 1 131 THR 131 131 131 THR THR A . n A 1 132 LEU 132 132 132 LEU LEU A . n A 1 133 THR 133 133 133 THR THR A . n # loop_ _pdbx_nonpoly_scheme.asym_id _pdbx_nonpoly_scheme.entity_id _pdbx_nonpoly_scheme.mon_id _pdbx_nonpoly_scheme.ndb_seq_num _pdbx_nonpoly_scheme.pdb_seq_num _pdbx_nonpoly_scheme.auth_seq_num _pdbx_nonpoly_scheme.pdb_mon_id _pdbx_nonpoly_scheme.auth_mon_id _pdbx_nonpoly_scheme.pdb_strand_id _pdbx_nonpoly_scheme.pdb_ins_code B 2 NMP 1 201 101 NMP FRG A . C 3 HOH 1 202 1 HOH HOH A . C 3 HOH 2 203 2 HOH HOH A . C 3 HOH 3 204 3 HOH HOH A . C 3 HOH 4 205 4 HOH HOH A . C 3 HOH 5 206 5 HOH HOH A . C 3 HOH 6 207 6 HOH HOH A . C 3 HOH 7 208 7 HOH HOH A . C 3 HOH 8 209 8 HOH HOH A . C 3 HOH 9 210 9 HOH HOH A . C 3 HOH 10 211 10 HOH HOH A . C 3 HOH 11 212 11 HOH HOH A . C 3 HOH 12 213 12 HOH HOH A . C 3 HOH 13 214 13 HOH HOH A . C 3 HOH 14 215 14 HOH HOH A . C 3 HOH 15 216 15 HOH HOH A . C 3 HOH 16 217 16 HOH HOH A . C 3 HOH 17 218 17 HOH HOH A . C 3 HOH 18 219 18 HOH HOH A . C 3 HOH 19 220 19 HOH HOH A . # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details monomeric _pdbx_struct_assembly.oligomeric_count 1 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A,B,C # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 2002-07-31 2 'Structure model' 1 1 2008-04-28 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2017-10-11 5 'Structure model' 1 4 2021-10-27 # _pdbx_audit_revision_details.ordinal 1 _pdbx_audit_revision_details.revision_ordinal 1 _pdbx_audit_revision_details.data_content_type 'Structure model' _pdbx_audit_revision_details.provider repository _pdbx_audit_revision_details.type 'Initial release' _pdbx_audit_revision_details.description ? _pdbx_audit_revision_details.details ? # loop_ _pdbx_audit_revision_group.ordinal _pdbx_audit_revision_group.revision_ordinal _pdbx_audit_revision_group.data_content_type _pdbx_audit_revision_group.group 1 2 'Structure model' 'Version format compliance' 2 3 'Structure model' 'Version format compliance' 3 4 'Structure model' 'Refinement description' 4 5 'Structure model' 'Database references' 5 5 'Structure model' 'Derived calculations' # loop_ _pdbx_audit_revision_category.ordinal _pdbx_audit_revision_category.revision_ordinal _pdbx_audit_revision_category.data_content_type _pdbx_audit_revision_category.category 1 4 'Structure model' software 2 5 'Structure model' database_2 3 5 'Structure model' struct_conn 4 5 'Structure model' struct_ref_seq_dif 5 5 'Structure model' struct_site # loop_ _pdbx_audit_revision_item.ordinal _pdbx_audit_revision_item.revision_ordinal _pdbx_audit_revision_item.data_content_type _pdbx_audit_revision_item.item 1 5 'Structure model' '_database_2.pdbx_DOI' 2 5 'Structure model' '_database_2.pdbx_database_accession' 3 5 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 4 5 'Structure model' '_struct_ref_seq_dif.details' 5 5 'Structure model' '_struct_site.pdbx_auth_asym_id' 6 5 'Structure model' '_struct_site.pdbx_auth_comp_id' 7 5 'Structure model' '_struct_site.pdbx_auth_seq_id' # loop_ _software.name _software.classification _software.version _software.citation_id _software.pdbx_ordinal d*TREK 'data reduction' . ? 1 AMoRE phasing . ? 2 REFMAC refinement 5.1.19 ? 3 d*TREK 'data scaling' . ? 4 # _pdbx_validate_symm_contact.id 1 _pdbx_validate_symm_contact.PDB_model_num 1 _pdbx_validate_symm_contact.auth_atom_id_1 O _pdbx_validate_symm_contact.auth_asym_id_1 A _pdbx_validate_symm_contact.auth_comp_id_1 SER _pdbx_validate_symm_contact.auth_seq_id_1 6 _pdbx_validate_symm_contact.PDB_ins_code_1 ? _pdbx_validate_symm_contact.label_alt_id_1 ? _pdbx_validate_symm_contact.site_symmetry_1 1_555 _pdbx_validate_symm_contact.auth_atom_id_2 OG _pdbx_validate_symm_contact.auth_asym_id_2 A _pdbx_validate_symm_contact.auth_comp_id_2 SER _pdbx_validate_symm_contact.auth_seq_id_2 6 _pdbx_validate_symm_contact.PDB_ins_code_2 ? _pdbx_validate_symm_contact.label_alt_id_2 ? _pdbx_validate_symm_contact.site_symmetry_2 2_656 _pdbx_validate_symm_contact.dist 2.16 # loop_ _pdbx_unobs_or_zero_occ_residues.id _pdbx_unobs_or_zero_occ_residues.PDB_model_num _pdbx_unobs_or_zero_occ_residues.polymer_flag _pdbx_unobs_or_zero_occ_residues.occupancy_flag _pdbx_unobs_or_zero_occ_residues.auth_asym_id _pdbx_unobs_or_zero_occ_residues.auth_comp_id _pdbx_unobs_or_zero_occ_residues.auth_seq_id _pdbx_unobs_or_zero_occ_residues.PDB_ins_code _pdbx_unobs_or_zero_occ_residues.label_asym_id _pdbx_unobs_or_zero_occ_residues.label_comp_id _pdbx_unobs_or_zero_occ_residues.label_seq_id 1 1 Y 1 A ALA 1 ? A ALA 1 2 1 Y 1 A PRO 2 ? A PRO 2 3 1 Y 1 A THR 3 ? A THR 3 4 1 Y 1 A SER 4 ? A SER 4 5 1 Y 1 A GLN 74 ? A GLN 74 6 1 Y 1 A SER 75 ? A SER 75 7 1 Y 1 A LYS 76 ? A LYS 76 8 1 Y 1 A ASN 77 ? A ASN 77 9 1 Y 1 A PHE 78 ? A PHE 78 10 1 Y 1 A HIS 79 ? A HIS 79 11 1 Y 1 A LEU 80 ? A LEU 80 12 1 Y 1 A ARG 81 ? A ARG 81 13 1 Y 1 A PRO 82 ? A PRO 82 14 1 Y 1 A SER 99 ? A SER 99 15 1 Y 1 A GLU 100 ? A GLU 100 16 1 Y 1 A THR 101 ? A THR 101 17 1 Y 1 A THR 102 ? A THR 102 # loop_ _pdbx_entity_nonpoly.entity_id _pdbx_entity_nonpoly.name _pdbx_entity_nonpoly.comp_id 2 '2-[2-(2-CYCLOHEXYL-2-GUANIDINO-ACETYLAMINO)-ACETYLAMINO]-N-(3-MERCAPTO-PROPYL)-PROPIONAMIDE' NMP 3 water HOH #