data_1CXA # _entry.id 1CXA # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.338 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code PDB 1CXA WWPDB D_1000172581 # loop_ _pdbx_database_related.db_name _pdbx_database_related.db_id _pdbx_database_related.details _pdbx_database_related.content_type PDB 1CXC . unspecified PDB 2CXB . unspecified # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 1CXA _pdbx_database_status.recvd_initial_deposition_date 1994-02-14 _pdbx_database_status.deposit_site ? _pdbx_database_status.process_site BNL _pdbx_database_status.status_code_sf REL _pdbx_database_status.status_code_mr ? _pdbx_database_status.SG_entry ? _pdbx_database_status.pdb_format_compatible Y _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 'Axelrod, H.L.' 1 'Feher, G.' 2 'Allen, J.P.' 3 'Chirino, A.J.' 4 'Day, M.W.' 5 'Hsu, B.T.' 6 'Rees, D.C.' 7 # _citation.id primary _citation.title 'Crystallization and X-ray structure determination of cytochrome c2 from Rhodobacter sphaeroides in three crystal forms.' _citation.journal_abbrev 'Acta Crystallogr.,Sect.D' _citation.journal_volume 50 _citation.page_first 596 _citation.page_last 602 _citation.year 1994 _citation.journal_id_ASTM ABCRE6 _citation.country DK _citation.journal_id_ISSN 0907-4449 _citation.journal_id_CSD 0766 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 15299423 _citation.pdbx_database_id_DOI 10.1107/S0907444994001319 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Axelrod, H.L.' 1 ? primary 'Feher, G.' 2 ? primary 'Allen, J.P.' 3 ? primary 'Chirino, A.J.' 4 ? primary 'Day, M.W.' 5 ? primary 'Hsu, B.T.' 6 ? primary 'Rees, D.C.' 7 ? # _cell.entry_id 1CXA _cell.length_a 64.300 _cell.length_b 64.300 _cell.length_c 163.400 _cell.angle_alpha 90.00 _cell.angle_beta 90.00 _cell.angle_gamma 120.00 _cell.Z_PDB 12 _cell.pdbx_unique_axis ? _cell.length_a_esd ? _cell.length_b_esd ? _cell.length_c_esd ? _cell.angle_alpha_esd ? _cell.angle_beta_esd ? _cell.angle_gamma_esd ? # _symmetry.entry_id 1CXA _symmetry.space_group_name_H-M 'P 61 2 2' _symmetry.pdbx_full_space_group_name_H-M ? _symmetry.cell_setting ? _symmetry.Int_Tables_number 178 _symmetry.space_group_name_Hall ? # 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 'CYTOCHROME C2' 13488.064 1 ? ? ? ? 2 non-polymer syn IMIDAZOLE 69.085 1 ? ? ? ? 3 non-polymer syn 'HEME C' 618.503 1 ? ? ? ? 4 water nat water 18.015 52 ? ? ? ? # _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 ;QEGDPEAGAKAFNQCQTCHVIVDDSGTTIAGRNAKTGPNLYGVVGRTAGTQADFKGYGEGMKEAGAKGLAWDEEHFVQYV QDPTKFLKEYTGDAKAKGKMTFKLKKEADAHNIWAYLQQVAVRP ; _entity_poly.pdbx_seq_one_letter_code_can ;QEGDPEAGAKAFNQCQTCHVIVDDSGTTIAGRNAKTGPNLYGVVGRTAGTQADFKGYGEGMKEAGAKGLAWDEEHFVQYV QDPTKFLKEYTGDAKAKGKMTFKLKKEADAHNIWAYLQQVAVRP ; _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 GLN n 1 2 GLU n 1 3 GLY n 1 4 ASP n 1 5 PRO n 1 6 GLU n 1 7 ALA n 1 8 GLY n 1 9 ALA n 1 10 LYS n 1 11 ALA n 1 12 PHE n 1 13 ASN n 1 14 GLN n 1 15 CYS n 1 16 GLN n 1 17 THR n 1 18 CYS n 1 19 HIS n 1 20 VAL n 1 21 ILE n 1 22 VAL n 1 23 ASP n 1 24 ASP n 1 25 SER n 1 26 GLY n 1 27 THR n 1 28 THR n 1 29 ILE n 1 30 ALA n 1 31 GLY n 1 32 ARG n 1 33 ASN n 1 34 ALA n 1 35 LYS n 1 36 THR n 1 37 GLY n 1 38 PRO n 1 39 ASN n 1 40 LEU n 1 41 TYR n 1 42 GLY n 1 43 VAL n 1 44 VAL n 1 45 GLY n 1 46 ARG n 1 47 THR n 1 48 ALA n 1 49 GLY n 1 50 THR n 1 51 GLN n 1 52 ALA n 1 53 ASP n 1 54 PHE n 1 55 LYS n 1 56 GLY n 1 57 TYR n 1 58 GLY n 1 59 GLU n 1 60 GLY n 1 61 MET n 1 62 LYS n 1 63 GLU n 1 64 ALA n 1 65 GLY n 1 66 ALA n 1 67 LYS n 1 68 GLY n 1 69 LEU n 1 70 ALA n 1 71 TRP n 1 72 ASP n 1 73 GLU n 1 74 GLU n 1 75 HIS n 1 76 PHE n 1 77 VAL n 1 78 GLN n 1 79 TYR n 1 80 VAL n 1 81 GLN n 1 82 ASP n 1 83 PRO n 1 84 THR n 1 85 LYS n 1 86 PHE n 1 87 LEU n 1 88 LYS n 1 89 GLU n 1 90 TYR n 1 91 THR n 1 92 GLY n 1 93 ASP n 1 94 ALA n 1 95 LYS n 1 96 ALA n 1 97 LYS n 1 98 GLY n 1 99 LYS n 1 100 MET n 1 101 THR n 1 102 PHE n 1 103 LYS n 1 104 LEU n 1 105 LYS n 1 106 LYS n 1 107 GLU n 1 108 ALA n 1 109 ASP n 1 110 ALA n 1 111 HIS n 1 112 ASN n 1 113 ILE n 1 114 TRP n 1 115 ALA n 1 116 TYR n 1 117 LEU n 1 118 GLN n 1 119 GLN n 1 120 VAL n 1 121 ALA n 1 122 VAL n 1 123 ARG n 1 124 PRO 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 ? _entity_src_gen.gene_src_genus Rhodobacter _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 'Rhodobacter sphaeroides' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 1063 _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 ? _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id ? _entity_src_gen.host_org_genus ? _entity_src_gen.pdbx_host_org_gene ? _entity_src_gen.pdbx_host_org_organ ? _entity_src_gen.host_org_species ? _entity_src_gen.pdbx_host_org_tissue ? _entity_src_gen.pdbx_host_org_tissue_fraction ? _entity_src_gen.pdbx_host_org_strain ? _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 ? _entity_src_gen.pdbx_host_org_vector ? _entity_src_gen.host_org_details ? _entity_src_gen.expression_system_id ? _entity_src_gen.plasmid_name ? _entity_src_gen.plasmid_details ? _entity_src_gen.pdbx_description ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code CYC2_RHOSH _struct_ref.entity_id 1 _struct_ref.pdbx_db_accession P00095 _struct_ref.pdbx_align_begin 1 _struct_ref.pdbx_seq_one_letter_code ;MKFQVKALAAIAAFAALPALAQEGDPEAGAKAFNQCQTCHVIVDDSGTTIAGRNAKTGPNLYGVVGRTAGTQADFKGYGE GMKEAGAKGLAWDEEHFVQYVQDPTKFLKEYTGDAKAKGKMTFKLKKEADAHNIWAYLQQVAVRP ; _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 1CXA _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 124 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession P00095 _struct_ref_seq.db_align_beg 22 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 145 _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 124 # 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 HEC non-polymer . 'HEME C' ? 'C34 H34 Fe N4 O4' 618.503 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 IMD non-polymer . IMIDAZOLE ? 'C3 H5 N2 1' 69.085 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 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 1CXA _exptl.method 'X-RAY DIFFRACTION' _exptl.crystals_number ? # _exptl_crystal.id 1 _exptl_crystal.density_meas ? _exptl_crystal.density_Matthews 3.61 _exptl_crystal.density_percent_sol 65.96 _exptl_crystal.description ? _exptl_crystal.F_000 ? _exptl_crystal.preparation ? # _diffrn.id 1 _diffrn.ambient_temp ? _diffrn.ambient_temp_details ? _diffrn.crystal_id 1 # _diffrn_radiation.diffrn_id 1 _diffrn_radiation.wavelength_id 1 _diffrn_radiation.pdbx_monochromatic_or_laue_m_l ? _diffrn_radiation.monochromator ? _diffrn_radiation.pdbx_diffrn_protocol ? _diffrn_radiation.pdbx_scattering_type x-ray # _diffrn_radiation_wavelength.id 1 _diffrn_radiation_wavelength.wavelength . _diffrn_radiation_wavelength.wt 1.0 # _reflns.entry_id 1CXA _reflns.observed_criterion_sigma_I 1.0 _reflns.observed_criterion_sigma_F ? _reflns.d_resolution_low 15.0 _reflns.d_resolution_high 2.0 _reflns.number_obs 10854 _reflns.number_all ? _reflns.percent_possible_obs 74.7 _reflns.pdbx_Rmerge_I_obs ? _reflns.pdbx_Rsym_value ? _reflns.pdbx_netI_over_sigmaI ? _reflns.B_iso_Wilson_estimate ? _reflns.pdbx_redundancy ? _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_chi_squared ? _reflns.pdbx_scaling_rejects ? _reflns.pdbx_diffrn_id 1 _reflns.pdbx_ordinal 1 # _refine.entry_id 1CXA _refine.ls_number_reflns_obs 8581 _refine.ls_number_reflns_all ? _refine.pdbx_ls_sigma_I ? _refine.pdbx_ls_sigma_F 1.0 _refine.pdbx_data_cutoff_high_absF ? _refine.pdbx_data_cutoff_low_absF ? _refine.pdbx_data_cutoff_high_rms_absF ? _refine.ls_d_res_low 6.0 _refine.ls_d_res_high 2.2 _refine.ls_percent_reflns_obs 83.24 _refine.ls_R_factor_obs 0.1700000 _refine.ls_R_factor_all ? _refine.ls_R_factor_R_work ? _refine.ls_R_factor_R_free ? _refine.ls_R_factor_R_free_error ? _refine.ls_R_factor_R_free_error_details ? _refine.ls_percent_reflns_R_free ? _refine.ls_number_reflns_R_free ? _refine.ls_number_parameters ? _refine.ls_number_restraints ? _refine.occupancy_min ? _refine.occupancy_max ? _refine.B_iso_mean ? _refine.aniso_B[1][1] ? _refine.aniso_B[2][2] ? _refine.aniso_B[3][3] ? _refine.aniso_B[1][2] ? _refine.aniso_B[1][3] ? _refine.aniso_B[2][3] ? _refine.solvent_model_details ? _refine.solvent_model_param_ksol ? _refine.solvent_model_param_bsol ? _refine.pdbx_ls_cross_valid_method ? _refine.details ? _refine.pdbx_starting_model ? _refine.pdbx_method_to_determine_struct ? _refine.pdbx_isotropic_thermal_model ? _refine.pdbx_stereochemistry_target_values ? _refine.pdbx_stereochem_target_val_spec_case ? _refine.pdbx_R_Free_selection_details ? _refine.pdbx_overall_ESU_R ? _refine.pdbx_overall_ESU_R_Free ? _refine.overall_SU_ML ? _refine.overall_SU_B ? _refine.pdbx_refine_id 'X-RAY DIFFRACTION' _refine.ls_redundancy_reflns_obs ? _refine.pdbx_overall_phase_error ? _refine.B_iso_min ? _refine.B_iso_max ? _refine.correlation_coeff_Fo_to_Fc ? _refine.correlation_coeff_Fo_to_Fc_free ? _refine.pdbx_solvent_vdw_probe_radii ? _refine.pdbx_solvent_ion_probe_radii ? _refine.pdbx_solvent_shrinkage_radii ? _refine.overall_SU_R_Cruickshank_DPI ? _refine.overall_SU_R_free ? _refine.ls_wR_factor_R_free ? _refine.ls_wR_factor_R_work ? _refine.overall_FOM_free_R_set ? _refine.overall_FOM_work_R_set ? _refine.pdbx_diffrn_id 1 _refine.pdbx_TLS_residual_ADP_flag ? _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 906 _refine_hist.pdbx_number_atoms_nucleic_acid 0 _refine_hist.pdbx_number_atoms_ligand 48 _refine_hist.number_atoms_solvent 52 _refine_hist.number_atoms_total 1006 _refine_hist.d_res_high 2.2 _refine_hist.d_res_low 6.0 # 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 t_bond_d 0.010 ? ? ? 'X-RAY DIFFRACTION' ? t_angle_deg 1.90 ? ? ? 'X-RAY DIFFRACTION' ? t_dihedral_angle_d ? ? ? ? 'X-RAY DIFFRACTION' ? t_incorr_chiral_ct ? ? ? ? 'X-RAY DIFFRACTION' ? t_pseud_angle ? ? ? ? 'X-RAY DIFFRACTION' ? t_trig_c_planes ? ? ? ? 'X-RAY DIFFRACTION' ? t_gen_planes ? ? ? ? 'X-RAY DIFFRACTION' ? t_it ? ? ? ? 'X-RAY DIFFRACTION' ? t_nbd ? ? ? ? 'X-RAY DIFFRACTION' ? # _struct.entry_id 1CXA _struct.title 'CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION OF CYTOCHROME C2 FROM RHODOBACTER SPHAEROIDES IN THREE CRYSTAL FORMS' _struct.pdbx_descriptor 'CYTOCHROME C2 COMPLEXED WITH IMIDAZOLE' _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 1CXA _struct_keywords.pdbx_keywords 'ELECTRON TRANSPORT (CYTOCHROME)' _struct_keywords.text 'ELECTRON TRANSPORT (CYTOCHROME)' # 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 ? D N N 4 ? # _struct_biol.id 1 _struct_biol.details ? # 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 A PRO A 5 ? CYS A 18 ? PRO A 5 CYS A 18 1 ? 14 HELX_P HELX_P2 B GLU A 59 ? ALA A 66 ? GLU A 59 ALA A 66 1 ? 8 HELX_P HELX_P3 C GLU A 73 ? GLN A 81 ? GLU A 73 GLN A 81 1 ? 9 HELX_P HELX_P4 D PRO A 83 ? THR A 91 ? PRO A 83 THR A 91 1 ? 9 HELX_P HELX_P5 E GLU A 107 ? VAL A 120 ? GLU A 107 VAL A 120 1 ? 14 # _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 covale1 covale none ? A CYS 15 SG ? ? ? 1_555 C HEC . CAB ? ? A CYS 15 A HEC 126 1_555 ? ? ? ? ? ? ? 1.811 ? ? covale2 covale none ? A CYS 18 SG ? ? ? 1_555 C HEC . CAC ? ? A CYS 18 A HEC 126 1_555 ? ? ? ? ? ? ? 1.808 ? ? metalc1 metalc ? ? A HIS 19 NE2 ? ? ? 1_555 C HEC . FE ? ? A HIS 19 A HEC 126 1_555 ? ? ? ? ? ? ? 2.002 ? ? metalc2 metalc ? ? B IMD . N3 ? ? ? 1_555 C HEC . FE ? ? A IMD 125 A HEC 126 1_555 ? ? ? ? ? ? ? 2.006 ? ? # loop_ _struct_conn_type.id _struct_conn_type.criteria _struct_conn_type.reference covale ? ? metalc ? ? # _struct_sheet.id A _struct_sheet.type ? _struct_sheet.number_strands 2 _struct_sheet.details ? # _struct_sheet_order.sheet_id A _struct_sheet_order.range_id_1 1 _struct_sheet_order.range_id_2 2 _struct_sheet_order.offset ? _struct_sheet_order.sense anti-parallel # loop_ _struct_sheet_range.sheet_id _struct_sheet_range.id _struct_sheet_range.beg_label_comp_id _struct_sheet_range.beg_label_asym_id _struct_sheet_range.beg_label_seq_id _struct_sheet_range.pdbx_beg_PDB_ins_code _struct_sheet_range.end_label_comp_id _struct_sheet_range.end_label_asym_id _struct_sheet_range.end_label_seq_id _struct_sheet_range.pdbx_end_PDB_ins_code _struct_sheet_range.beg_auth_comp_id _struct_sheet_range.beg_auth_asym_id _struct_sheet_range.beg_auth_seq_id _struct_sheet_range.end_auth_comp_id _struct_sheet_range.end_auth_asym_id _struct_sheet_range.end_auth_seq_id A 1 ILE A 21 ? VAL A 22 ? ILE A 21 VAL A 22 A 2 THR A 28 ? ALA A 30 ? THR A 28 ALA A 30 # _pdbx_struct_sheet_hbond.sheet_id A _pdbx_struct_sheet_hbond.range_id_1 1 _pdbx_struct_sheet_hbond.range_id_2 2 _pdbx_struct_sheet_hbond.range_1_label_atom_id O _pdbx_struct_sheet_hbond.range_1_label_comp_id ILE _pdbx_struct_sheet_hbond.range_1_label_asym_id A _pdbx_struct_sheet_hbond.range_1_label_seq_id 21 _pdbx_struct_sheet_hbond.range_1_PDB_ins_code ? _pdbx_struct_sheet_hbond.range_1_auth_atom_id O _pdbx_struct_sheet_hbond.range_1_auth_comp_id ILE _pdbx_struct_sheet_hbond.range_1_auth_asym_id A _pdbx_struct_sheet_hbond.range_1_auth_seq_id 21 _pdbx_struct_sheet_hbond.range_2_label_atom_id N _pdbx_struct_sheet_hbond.range_2_label_comp_id ILE _pdbx_struct_sheet_hbond.range_2_label_asym_id A _pdbx_struct_sheet_hbond.range_2_label_seq_id 29 _pdbx_struct_sheet_hbond.range_2_PDB_ins_code ? _pdbx_struct_sheet_hbond.range_2_auth_atom_id N _pdbx_struct_sheet_hbond.range_2_auth_comp_id ILE _pdbx_struct_sheet_hbond.range_2_auth_asym_id A _pdbx_struct_sheet_hbond.range_2_auth_seq_id 29 # loop_ _struct_site.id _struct_site.pdbx_evidence_code _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id _struct_site.pdbx_auth_ins_code _struct_site.pdbx_num_residues _struct_site.details AC1 Software A IMD 125 ? 4 'BINDING SITE FOR RESIDUE IMD A 125' AC2 Software A HEC 126 ? 24 'BINDING SITE FOR RESIDUE HEC A 126' # 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 4 TYR A 79 ? TYR A 79 . ? 1_555 ? 2 AC1 4 PRO A 83 ? PRO A 83 . ? 1_555 ? 3 AC1 4 HEC C . ? HEC A 126 . ? 1_555 ? 4 AC1 4 HOH D . ? HOH A 166 . ? 1_555 ? 5 AC2 24 GLN A 14 ? GLN A 14 . ? 1_555 ? 6 AC2 24 CYS A 15 ? CYS A 15 . ? 1_555 ? 7 AC2 24 CYS A 18 ? CYS A 18 . ? 1_555 ? 8 AC2 24 HIS A 19 ? HIS A 19 . ? 1_555 ? 9 AC2 24 THR A 36 ? THR A 36 . ? 1_555 ? 10 AC2 24 PRO A 38 ? PRO A 38 . ? 1_555 ? 11 AC2 24 ARG A 46 ? ARG A 46 . ? 1_555 ? 12 AC2 24 ALA A 48 ? ALA A 48 . ? 1_555 ? 13 AC2 24 GLY A 49 ? GLY A 49 . ? 1_555 ? 14 AC2 24 TYR A 57 ? TYR A 57 . ? 1_555 ? 15 AC2 24 GLY A 58 ? GLY A 58 . ? 1_555 ? 16 AC2 24 TRP A 71 ? TRP A 71 . ? 1_555 ? 17 AC2 24 PHE A 76 ? PHE A 76 . ? 1_555 ? 18 AC2 24 TYR A 79 ? TYR A 79 . ? 1_555 ? 19 AC2 24 GLY A 98 ? GLY A 98 . ? 1_555 ? 20 AC2 24 LYS A 99 ? LYS A 99 . ? 1_555 ? 21 AC2 24 MET A 100 ? MET A 100 . ? 1_555 ? 22 AC2 24 LEU A 104 ? LEU A 104 . ? 1_555 ? 23 AC2 24 ILE A 113 ? ILE A 113 . ? 1_555 ? 24 AC2 24 IMD B . ? IMD A 125 . ? 1_555 ? 25 AC2 24 HOH D . ? HOH A 128 . ? 1_555 ? 26 AC2 24 HOH D . ? HOH A 129 . ? 1_555 ? 27 AC2 24 HOH D . ? HOH A 144 . ? 1_555 ? 28 AC2 24 HOH D . ? HOH A 175 . ? 1_555 ? # _database_PDB_matrix.entry_id 1CXA _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 1CXA _atom_sites.fract_transf_matrix[1][1] 0.015552 _atom_sites.fract_transf_matrix[1][2] 0.008979 _atom_sites.fract_transf_matrix[1][3] 0.000000 _atom_sites.fract_transf_matrix[2][1] 0.000000 _atom_sites.fract_transf_matrix[2][2] 0.017958 _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] 0.006120 _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 FE H 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 GLN 1 1 1 GLN GLN A . n A 1 2 GLU 2 2 2 GLU GLU A . n A 1 3 GLY 3 3 3 GLY GLY A . n A 1 4 ASP 4 4 4 ASP ASP A . n A 1 5 PRO 5 5 5 PRO PRO A . n A 1 6 GLU 6 6 6 GLU GLU A . n A 1 7 ALA 7 7 7 ALA ALA A . n A 1 8 GLY 8 8 8 GLY GLY A . n A 1 9 ALA 9 9 9 ALA ALA A . n A 1 10 LYS 10 10 10 LYS LYS A . n A 1 11 ALA 11 11 11 ALA ALA A . n A 1 12 PHE 12 12 12 PHE PHE A . n A 1 13 ASN 13 13 13 ASN ASN A . n A 1 14 GLN 14 14 14 GLN GLN A . n A 1 15 CYS 15 15 15 CYS CYS A . n A 1 16 GLN 16 16 16 GLN GLN A . n A 1 17 THR 17 17 17 THR THR A . n A 1 18 CYS 18 18 18 CYS CYS A . n A 1 19 HIS 19 19 19 HIS HIS A . n A 1 20 VAL 20 20 20 VAL VAL A . n A 1 21 ILE 21 21 21 ILE ILE A . n A 1 22 VAL 22 22 22 VAL VAL A . n A 1 23 ASP 23 23 23 ASP ASP A . n A 1 24 ASP 24 24 24 ASP ASP A . n A 1 25 SER 25 25 25 SER SER A . n A 1 26 GLY 26 26 26 GLY GLY A . n A 1 27 THR 27 27 27 THR THR A . n A 1 28 THR 28 28 28 THR THR A . n A 1 29 ILE 29 29 29 ILE ILE A . n A 1 30 ALA 30 30 30 ALA ALA A . n A 1 31 GLY 31 31 31 GLY GLY A . n A 1 32 ARG 32 32 32 ARG ARG A . n A 1 33 ASN 33 33 33 ASN ASN A . n A 1 34 ALA 34 34 34 ALA ALA A . n A 1 35 LYS 35 35 35 LYS LYS A . n A 1 36 THR 36 36 36 THR THR A . n A 1 37 GLY 37 37 37 GLY GLY A . n A 1 38 PRO 38 38 38 PRO PRO A . n A 1 39 ASN 39 39 39 ASN ASN A . n A 1 40 LEU 40 40 40 LEU LEU A . n A 1 41 TYR 41 41 41 TYR TYR A . n A 1 42 GLY 42 42 42 GLY GLY A . n A 1 43 VAL 43 43 43 VAL VAL A . n A 1 44 VAL 44 44 44 VAL VAL A . n A 1 45 GLY 45 45 45 GLY GLY A . n A 1 46 ARG 46 46 46 ARG ARG A . n A 1 47 THR 47 47 47 THR THR A . n A 1 48 ALA 48 48 48 ALA ALA A . n A 1 49 GLY 49 49 49 GLY GLY A . n A 1 50 THR 50 50 50 THR THR A . n A 1 51 GLN 51 51 51 GLN GLN A . n A 1 52 ALA 52 52 52 ALA ALA A . n A 1 53 ASP 53 53 53 ASP ASP A . n A 1 54 PHE 54 54 54 PHE PHE A . n A 1 55 LYS 55 55 55 LYS LYS A . n A 1 56 GLY 56 56 56 GLY GLY A . n A 1 57 TYR 57 57 57 TYR TYR A . n A 1 58 GLY 58 58 58 GLY GLY A . n A 1 59 GLU 59 59 59 GLU GLU A . n A 1 60 GLY 60 60 60 GLY GLY A . n A 1 61 MET 61 61 61 MET MET A . n A 1 62 LYS 62 62 62 LYS LYS A . n A 1 63 GLU 63 63 63 GLU GLU A . n A 1 64 ALA 64 64 64 ALA ALA A . n A 1 65 GLY 65 65 65 GLY GLY A . n A 1 66 ALA 66 66 66 ALA ALA A . n A 1 67 LYS 67 67 67 LYS LYS A . n A 1 68 GLY 68 68 68 GLY GLY A . n A 1 69 LEU 69 69 69 LEU LEU A . n A 1 70 ALA 70 70 70 ALA ALA A . n A 1 71 TRP 71 71 71 TRP TRP A . n A 1 72 ASP 72 72 72 ASP ASP A . n A 1 73 GLU 73 73 73 GLU GLU A . n A 1 74 GLU 74 74 74 GLU GLU A . n A 1 75 HIS 75 75 75 HIS HIS A . n A 1 76 PHE 76 76 76 PHE PHE A . n A 1 77 VAL 77 77 77 VAL VAL A . n A 1 78 GLN 78 78 78 GLN GLN A . n A 1 79 TYR 79 79 79 TYR TYR A . n A 1 80 VAL 80 80 80 VAL VAL A . n A 1 81 GLN 81 81 81 GLN GLN A . n A 1 82 ASP 82 82 82 ASP ASP A . n A 1 83 PRO 83 83 83 PRO PRO A . n A 1 84 THR 84 84 84 THR THR A . n A 1 85 LYS 85 85 85 LYS LYS A . n A 1 86 PHE 86 86 86 PHE PHE A . n A 1 87 LEU 87 87 87 LEU LEU A . n A 1 88 LYS 88 88 88 LYS LYS A . n A 1 89 GLU 89 89 89 GLU GLU A . n A 1 90 TYR 90 90 90 TYR TYR A . n A 1 91 THR 91 91 91 THR THR A . n A 1 92 GLY 92 92 92 GLY GLY A . n A 1 93 ASP 93 93 93 ASP ASP A . n A 1 94 ALA 94 94 94 ALA ALA A . n A 1 95 LYS 95 95 95 LYS LYS A . n A 1 96 ALA 96 96 96 ALA ALA 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 LYS 99 99 99 LYS LYS A . n A 1 100 MET 100 100 100 MET MET A . n A 1 101 THR 101 101 101 THR THR A . n A 1 102 PHE 102 102 102 PHE PHE A . n A 1 103 LYS 103 103 103 LYS LYS A . n A 1 104 LEU 104 104 104 LEU LEU A . n A 1 105 LYS 105 105 105 LYS LYS A . n A 1 106 LYS 106 106 106 LYS LYS A . n A 1 107 GLU 107 107 107 GLU GLU 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 ALA 110 110 110 ALA ALA A . n A 1 111 HIS 111 111 111 HIS HIS A . n A 1 112 ASN 112 112 112 ASN ASN A . n A 1 113 ILE 113 113 113 ILE ILE A . n A 1 114 TRP 114 114 114 TRP TRP A . n A 1 115 ALA 115 115 115 ALA ALA A . n A 1 116 TYR 116 116 116 TYR TYR A . n A 1 117 LEU 117 117 117 LEU LEU A . n A 1 118 GLN 118 118 118 GLN GLN A . n A 1 119 GLN 119 119 119 GLN GLN A . n A 1 120 VAL 120 120 120 VAL VAL A . n A 1 121 ALA 121 121 121 ALA ALA A . n A 1 122 VAL 122 122 122 VAL VAL A . n A 1 123 ARG 123 123 123 ARG ARG A . n A 1 124 PRO 124 124 124 PRO PRO 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 IMD 1 125 125 IMD IMD A . C 3 HEC 1 126 126 HEC HEM A . D 4 HOH 1 127 127 HOH HOH A . D 4 HOH 2 128 128 HOH HOH A . D 4 HOH 3 129 129 HOH HOH A . D 4 HOH 4 130 130 HOH HOH A . D 4 HOH 5 131 131 HOH HOH A . D 4 HOH 6 132 132 HOH HOH A . D 4 HOH 7 133 133 HOH HOH A . D 4 HOH 8 134 134 HOH HOH A . D 4 HOH 9 135 135 HOH HOH A . D 4 HOH 10 136 136 HOH HOH A . D 4 HOH 11 137 137 HOH HOH A . D 4 HOH 12 138 138 HOH HOH A . D 4 HOH 13 139 139 HOH HOH A . D 4 HOH 14 140 140 HOH HOH A . D 4 HOH 15 141 141 HOH HOH A . D 4 HOH 16 142 142 HOH HOH A . D 4 HOH 17 143 143 HOH HOH A . D 4 HOH 18 144 144 HOH HOH A . D 4 HOH 19 145 145 HOH HOH A . D 4 HOH 20 146 146 HOH HOH A . D 4 HOH 21 147 147 HOH HOH A . D 4 HOH 22 148 148 HOH HOH A . D 4 HOH 23 149 149 HOH HOH A . D 4 HOH 24 150 150 HOH HOH A . D 4 HOH 25 151 151 HOH HOH A . D 4 HOH 26 152 152 HOH HOH A . D 4 HOH 27 153 153 HOH HOH A . D 4 HOH 28 154 154 HOH HOH A . D 4 HOH 29 155 155 HOH HOH A . D 4 HOH 30 156 156 HOH HOH A . D 4 HOH 31 157 157 HOH HOH A . D 4 HOH 32 158 158 HOH HOH A . D 4 HOH 33 159 159 HOH HOH A . D 4 HOH 34 160 160 HOH HOH A . D 4 HOH 35 161 161 HOH HOH A . D 4 HOH 36 162 162 HOH HOH A . D 4 HOH 37 163 163 HOH HOH A . D 4 HOH 38 164 164 HOH HOH A . D 4 HOH 39 165 165 HOH HOH A . D 4 HOH 40 166 166 HOH HOH A . D 4 HOH 41 167 167 HOH HOH A . D 4 HOH 42 168 168 HOH HOH A . D 4 HOH 43 169 169 HOH HOH A . D 4 HOH 44 170 170 HOH HOH A . D 4 HOH 45 171 171 HOH HOH A . D 4 HOH 46 172 172 HOH HOH A . D 4 HOH 47 173 173 HOH HOH A . D 4 HOH 48 174 174 HOH HOH A . D 4 HOH 49 175 175 HOH HOH A . D 4 HOH 50 176 176 HOH HOH A . D 4 HOH 51 177 177 HOH HOH A . D 4 HOH 52 178 178 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,D # _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_struct_conn_angle.id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_alt_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr1_auth_atom_id _pdbx_struct_conn_angle.ptnr1_auth_asym_id _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_PDB_ins_code _pdbx_struct_conn_angle.ptnr1_symmetry _pdbx_struct_conn_angle.ptnr2_label_atom_id _pdbx_struct_conn_angle.ptnr2_label_alt_id _pdbx_struct_conn_angle.ptnr2_label_asym_id _pdbx_struct_conn_angle.ptnr2_label_comp_id _pdbx_struct_conn_angle.ptnr2_label_seq_id _pdbx_struct_conn_angle.ptnr2_auth_atom_id _pdbx_struct_conn_angle.ptnr2_auth_asym_id _pdbx_struct_conn_angle.ptnr2_auth_comp_id _pdbx_struct_conn_angle.ptnr2_auth_seq_id _pdbx_struct_conn_angle.ptnr2_PDB_ins_code _pdbx_struct_conn_angle.ptnr2_symmetry _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_alt_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_atom_id _pdbx_struct_conn_angle.ptnr3_auth_asym_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_PDB_ins_code _pdbx_struct_conn_angle.ptnr3_symmetry _pdbx_struct_conn_angle.value _pdbx_struct_conn_angle.value_esd 1 NE2 ? A HIS 19 ? A HIS 19 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NA ? C HEC . ? A HEC 126 ? 1_555 89.9 ? 2 NE2 ? A HIS 19 ? A HIS 19 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NB ? C HEC . ? A HEC 126 ? 1_555 88.6 ? 3 NA ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NB ? C HEC . ? A HEC 126 ? 1_555 92.1 ? 4 NE2 ? A HIS 19 ? A HIS 19 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NC ? C HEC . ? A HEC 126 ? 1_555 89.9 ? 5 NA ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NC ? C HEC . ? A HEC 126 ? 1_555 177.9 ? 6 NB ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 NC ? C HEC . ? A HEC 126 ? 1_555 90.0 ? 7 NE2 ? A HIS 19 ? A HIS 19 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 ND ? C HEC . ? A HEC 126 ? 1_555 89.4 ? 8 NA ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 ND ? C HEC . ? A HEC 126 ? 1_555 88.4 ? 9 NB ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 ND ? C HEC . ? A HEC 126 ? 1_555 178.0 ? 10 NC ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 ND ? C HEC . ? A HEC 126 ? 1_555 89.5 ? 11 NE2 ? A HIS 19 ? A HIS 19 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 N3 ? B IMD . ? A IMD 125 ? 1_555 179.1 ? 12 NA ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 N3 ? B IMD . ? A IMD 125 ? 1_555 90.9 ? 13 NB ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 N3 ? B IMD . ? A IMD 125 ? 1_555 90.9 ? 14 NC ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 N3 ? B IMD . ? A IMD 125 ? 1_555 89.4 ? 15 ND ? C HEC . ? A HEC 126 ? 1_555 FE ? C HEC . ? A HEC 126 ? 1_555 N3 ? B IMD . ? A IMD 125 ? 1_555 91.1 ? # 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 1995-07-10 2 'Structure model' 1 1 2008-03-24 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2017-11-29 5 'Structure model' 2 0 2021-03-03 # _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' 'Derived calculations' 4 4 'Structure model' Other 5 5 'Structure model' 'Atomic model' 6 5 'Structure model' 'Data collection' 7 5 'Structure model' 'Derived calculations' 8 5 'Structure model' 'Non-polymer description' 9 5 'Structure model' 'Structure summary' # 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' pdbx_database_status 2 4 'Structure model' struct_conf 3 4 'Structure model' struct_conf_type 4 5 'Structure model' atom_site 5 5 'Structure model' chem_comp 6 5 'Structure model' entity 7 5 'Structure model' pdbx_entity_nonpoly 8 5 'Structure model' pdbx_nonpoly_scheme 9 5 'Structure model' pdbx_struct_conn_angle 10 5 'Structure model' struct_conn 11 5 'Structure model' struct_site 12 5 'Structure model' struct_site_gen # 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 4 'Structure model' '_pdbx_database_status.process_site' 2 5 'Structure model' '_atom_site.B_iso_or_equiv' 3 5 'Structure model' '_atom_site.Cartn_x' 4 5 'Structure model' '_atom_site.Cartn_y' 5 5 'Structure model' '_atom_site.Cartn_z' 6 5 'Structure model' '_atom_site.auth_atom_id' 7 5 'Structure model' '_atom_site.auth_comp_id' 8 5 'Structure model' '_atom_site.label_atom_id' 9 5 'Structure model' '_atom_site.label_comp_id' 10 5 'Structure model' '_atom_site.type_symbol' 11 5 'Structure model' '_chem_comp.formula' 12 5 'Structure model' '_chem_comp.formula_weight' 13 5 'Structure model' '_chem_comp.id' 14 5 'Structure model' '_chem_comp.name' 15 5 'Structure model' '_chem_comp.pdbx_synonyms' 16 5 'Structure model' '_entity.formula_weight' 17 5 'Structure model' '_entity.pdbx_description' 18 5 'Structure model' '_pdbx_entity_nonpoly.comp_id' 19 5 'Structure model' '_pdbx_entity_nonpoly.name' 20 5 'Structure model' '_pdbx_nonpoly_scheme.mon_id' 21 5 'Structure model' '_pdbx_nonpoly_scheme.pdb_mon_id' 22 5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_comp_id' 23 5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_comp_id' 24 5 'Structure model' '_pdbx_struct_conn_angle.ptnr2_auth_comp_id' 25 5 'Structure model' '_pdbx_struct_conn_angle.ptnr2_label_comp_id' 26 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_comp_id' 27 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_comp_id' 28 5 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 29 5 'Structure model' '_struct_conn.ptnr2_auth_comp_id' 30 5 'Structure model' '_struct_conn.ptnr2_label_comp_id' 31 5 'Structure model' '_struct_site.details' 32 5 'Structure model' '_struct_site.pdbx_auth_asym_id' 33 5 'Structure model' '_struct_site.pdbx_auth_comp_id' 34 5 'Structure model' '_struct_site.pdbx_auth_seq_id' 35 5 'Structure model' '_struct_site_gen.auth_comp_id' 36 5 'Structure model' '_struct_site_gen.label_comp_id' # loop_ _software.name _software.classification _software.version _software.citation_id _software.pdbx_ordinal X-PLOR 'model building' . ? 1 TNT refinement . ? 2 X-PLOR refinement . ? 3 X-PLOR phasing . ? 4 # _pdbx_entry_details.entry_id 1CXA _pdbx_entry_details.compound_details ;THE BINDING OF IMIDAZOLE INDUCES CONFORMATIONAL CHANGES BETWEEN RESIDUES 98 AND 104. ; _pdbx_entry_details.source_details ? _pdbx_entry_details.nonpolymer_details ;THE BINDING OF AN IMIDAZOLE MOLECULE, RESIDUE 125, TO THE IRON ATOM OF THE PROSTHETIC HEME (RESIDUE 126) REPLACES THE SULFUR ATOM OF A CONSERVED METHIONINE (RESIDUE 100) AS AN AXIAL LIGAND. ; _pdbx_entry_details.sequence_details ? _pdbx_entry_details.has_ligand_of_interest ? # _pdbx_validate_close_contact.id 1 _pdbx_validate_close_contact.PDB_model_num 1 _pdbx_validate_close_contact.auth_atom_id_1 NH1 _pdbx_validate_close_contact.auth_asym_id_1 A _pdbx_validate_close_contact.auth_comp_id_1 ARG _pdbx_validate_close_contact.auth_seq_id_1 46 _pdbx_validate_close_contact.PDB_ins_code_1 ? _pdbx_validate_close_contact.label_alt_id_1 ? _pdbx_validate_close_contact.auth_atom_id_2 O _pdbx_validate_close_contact.auth_asym_id_2 A _pdbx_validate_close_contact.auth_comp_id_2 HOH _pdbx_validate_close_contact.auth_seq_id_2 175 _pdbx_validate_close_contact.PDB_ins_code_2 ? _pdbx_validate_close_contact.label_alt_id_2 ? _pdbx_validate_close_contact.dist 2.12 # loop_ _pdbx_validate_rmsd_bond.id _pdbx_validate_rmsd_bond.PDB_model_num _pdbx_validate_rmsd_bond.auth_atom_id_1 _pdbx_validate_rmsd_bond.auth_asym_id_1 _pdbx_validate_rmsd_bond.auth_comp_id_1 _pdbx_validate_rmsd_bond.auth_seq_id_1 _pdbx_validate_rmsd_bond.PDB_ins_code_1 _pdbx_validate_rmsd_bond.label_alt_id_1 _pdbx_validate_rmsd_bond.auth_atom_id_2 _pdbx_validate_rmsd_bond.auth_asym_id_2 _pdbx_validate_rmsd_bond.auth_comp_id_2 _pdbx_validate_rmsd_bond.auth_seq_id_2 _pdbx_validate_rmsd_bond.PDB_ins_code_2 _pdbx_validate_rmsd_bond.label_alt_id_2 _pdbx_validate_rmsd_bond.bond_value _pdbx_validate_rmsd_bond.bond_target_value _pdbx_validate_rmsd_bond.bond_deviation _pdbx_validate_rmsd_bond.bond_standard_deviation _pdbx_validate_rmsd_bond.linker_flag 1 1 CG A HIS 19 ? ? CD2 A HIS 19 ? ? 1.413 1.354 0.059 0.009 N 2 1 NE2 A HIS 75 ? ? CD2 A HIS 75 ? ? 1.300 1.373 -0.073 0.011 N # loop_ _pdbx_validate_rmsd_angle.id _pdbx_validate_rmsd_angle.PDB_model_num _pdbx_validate_rmsd_angle.auth_atom_id_1 _pdbx_validate_rmsd_angle.auth_asym_id_1 _pdbx_validate_rmsd_angle.auth_comp_id_1 _pdbx_validate_rmsd_angle.auth_seq_id_1 _pdbx_validate_rmsd_angle.PDB_ins_code_1 _pdbx_validate_rmsd_angle.label_alt_id_1 _pdbx_validate_rmsd_angle.auth_atom_id_2 _pdbx_validate_rmsd_angle.auth_asym_id_2 _pdbx_validate_rmsd_angle.auth_comp_id_2 _pdbx_validate_rmsd_angle.auth_seq_id_2 _pdbx_validate_rmsd_angle.PDB_ins_code_2 _pdbx_validate_rmsd_angle.label_alt_id_2 _pdbx_validate_rmsd_angle.auth_atom_id_3 _pdbx_validate_rmsd_angle.auth_asym_id_3 _pdbx_validate_rmsd_angle.auth_comp_id_3 _pdbx_validate_rmsd_angle.auth_seq_id_3 _pdbx_validate_rmsd_angle.PDB_ins_code_3 _pdbx_validate_rmsd_angle.label_alt_id_3 _pdbx_validate_rmsd_angle.angle_value _pdbx_validate_rmsd_angle.angle_target_value _pdbx_validate_rmsd_angle.angle_deviation _pdbx_validate_rmsd_angle.angle_standard_deviation _pdbx_validate_rmsd_angle.linker_flag 1 1 CD1 A TRP 71 ? ? CG A TRP 71 ? ? CD2 A TRP 71 ? ? 113.67 106.30 7.37 0.80 N 2 1 CE2 A TRP 71 ? ? CD2 A TRP 71 ? ? CG A TRP 71 ? ? 101.27 107.30 -6.03 0.80 N 3 1 CB A TYR 79 ? ? CG A TYR 79 ? ? CD2 A TYR 79 ? ? 116.82 121.00 -4.18 0.60 N 4 1 CD1 A TRP 114 ? ? CG A TRP 114 ? ? CD2 A TRP 114 ? ? 112.53 106.30 6.23 0.80 N 5 1 CE2 A TRP 114 ? ? CD2 A TRP 114 ? ? CG A TRP 114 ? ? 101.27 107.30 -6.03 0.80 N # loop_ _pdbx_validate_torsion.id _pdbx_validate_torsion.PDB_model_num _pdbx_validate_torsion.auth_comp_id _pdbx_validate_torsion.auth_asym_id _pdbx_validate_torsion.auth_seq_id _pdbx_validate_torsion.PDB_ins_code _pdbx_validate_torsion.label_alt_id _pdbx_validate_torsion.phi _pdbx_validate_torsion.psi 1 1 ARG A 32 ? ? -109.77 -77.25 2 1 ASN A 33 ? ? -142.25 18.36 # loop_ _pdbx_validate_main_chain_plane.id _pdbx_validate_main_chain_plane.PDB_model_num _pdbx_validate_main_chain_plane.auth_comp_id _pdbx_validate_main_chain_plane.auth_asym_id _pdbx_validate_main_chain_plane.auth_seq_id _pdbx_validate_main_chain_plane.PDB_ins_code _pdbx_validate_main_chain_plane.label_alt_id _pdbx_validate_main_chain_plane.improper_torsion_angle 1 1 ALA A 7 ? ? -18.01 2 1 GLN A 14 ? ? 13.92 3 1 HIS A 19 ? ? -19.45 4 1 VAL A 20 ? ? 14.40 5 1 ILE A 21 ? ? 10.02 6 1 VAL A 22 ? ? 11.74 7 1 SER A 25 ? ? 14.13 8 1 THR A 28 ? ? 13.96 9 1 GLY A 31 ? ? 13.13 10 1 ARG A 32 ? ? -10.05 11 1 ALA A 34 ? ? 11.10 12 1 LYS A 35 ? ? 12.44 13 1 GLY A 37 ? ? -11.47 14 1 GLY A 45 ? ? -10.11 15 1 GLN A 51 ? ? -11.40 16 1 PHE A 54 ? ? -14.13 17 1 LYS A 55 ? ? -12.04 18 1 ALA A 64 ? ? 13.48 19 1 LYS A 67 ? ? 13.28 20 1 GLY A 68 ? ? -10.03 21 1 LEU A 69 ? ? 11.75 22 1 ASP A 72 ? ? -10.07 23 1 GLU A 73 ? ? 15.89 24 1 HIS A 75 ? ? 17.60 25 1 PHE A 76 ? ? -13.82 26 1 GLN A 78 ? ? 14.49 27 1 TYR A 79 ? ? 13.50 28 1 THR A 84 ? ? 13.22 29 1 LYS A 88 ? ? 12.10 30 1 TYR A 90 ? ? -15.47 31 1 GLY A 92 ? ? -13.96 32 1 ALA A 94 ? ? -14.05 33 1 LEU A 104 ? ? -16.96 34 1 LYS A 106 ? ? -17.01 35 1 GLU A 107 ? ? -11.38 36 1 ASP A 109 ? ? 15.97 37 1 LEU A 117 ? ? 12.10 38 1 GLN A 119 ? ? -10.32 39 1 VAL A 122 ? ? 14.94 # _pdbx_validate_planes.id 1 _pdbx_validate_planes.PDB_model_num 1 _pdbx_validate_planes.auth_comp_id GLU _pdbx_validate_planes.auth_asym_id A _pdbx_validate_planes.auth_seq_id 74 _pdbx_validate_planes.PDB_ins_code ? _pdbx_validate_planes.label_alt_id ? _pdbx_validate_planes.rmsd 0.076 _pdbx_validate_planes.type 'SIDE CHAIN' # loop_ _pdbx_unobs_or_zero_occ_atoms.id _pdbx_unobs_or_zero_occ_atoms.PDB_model_num _pdbx_unobs_or_zero_occ_atoms.polymer_flag _pdbx_unobs_or_zero_occ_atoms.occupancy_flag _pdbx_unobs_or_zero_occ_atoms.auth_asym_id _pdbx_unobs_or_zero_occ_atoms.auth_comp_id _pdbx_unobs_or_zero_occ_atoms.auth_seq_id _pdbx_unobs_or_zero_occ_atoms.PDB_ins_code _pdbx_unobs_or_zero_occ_atoms.auth_atom_id _pdbx_unobs_or_zero_occ_atoms.label_alt_id _pdbx_unobs_or_zero_occ_atoms.label_asym_id _pdbx_unobs_or_zero_occ_atoms.label_comp_id _pdbx_unobs_or_zero_occ_atoms.label_seq_id _pdbx_unobs_or_zero_occ_atoms.label_atom_id 1 1 Y 1 A GLN 1 ? OE1 ? A GLN 1 OE1 2 1 Y 1 A GLN 1 ? NE2 ? A GLN 1 NE2 3 1 Y 1 A GLU 6 ? CG ? A GLU 6 CG 4 1 Y 1 A GLU 6 ? CD ? A GLU 6 CD 5 1 Y 1 A GLU 6 ? OE1 ? A GLU 6 OE1 6 1 Y 1 A GLU 6 ? OE2 ? A GLU 6 OE2 7 1 Y 1 A LYS 10 ? CG ? A LYS 10 CG 8 1 Y 1 A LYS 10 ? CD ? A LYS 10 CD 9 1 Y 1 A LYS 10 ? CE ? A LYS 10 CE 10 1 Y 1 A LYS 10 ? NZ ? A LYS 10 NZ 11 1 Y 1 A ASN 13 ? OD1 ? A ASN 13 OD1 12 1 Y 1 A ASN 13 ? ND2 ? A ASN 13 ND2 13 1 Y 1 A SER 25 ? OG ? A SER 25 OG 14 1 Y 1 A ARG 32 ? NH1 ? A ARG 32 NH1 15 1 Y 1 A ARG 32 ? NH2 ? A ARG 32 NH2 16 1 Y 1 A ASN 33 ? CG ? A ASN 33 CG 17 1 Y 1 A ASN 33 ? OD1 ? A ASN 33 OD1 18 1 Y 1 A ASN 33 ? ND2 ? A ASN 33 ND2 19 1 Y 1 A LYS 35 ? CD ? A LYS 35 CD 20 1 Y 1 A LYS 35 ? CE ? A LYS 35 CE 21 1 Y 1 A LYS 35 ? NZ ? A LYS 35 NZ 22 1 Y 1 A LYS 55 ? CE ? A LYS 55 CE 23 1 Y 1 A LYS 55 ? NZ ? A LYS 55 NZ 24 1 Y 1 A GLU 59 ? CD ? A GLU 59 CD 25 1 Y 1 A GLU 59 ? OE1 ? A GLU 59 OE1 26 1 Y 1 A GLU 59 ? OE2 ? A GLU 59 OE2 27 1 Y 1 A LYS 85 ? NZ ? A LYS 85 NZ 28 1 Y 1 A LYS 95 ? CD ? A LYS 95 CD 29 1 Y 1 A LYS 95 ? CE ? A LYS 95 CE 30 1 Y 1 A LYS 95 ? NZ ? A LYS 95 NZ 31 1 Y 1 A LYS 97 ? CG ? A LYS 97 CG 32 1 Y 1 A LYS 97 ? CD ? A LYS 97 CD 33 1 Y 1 A LYS 97 ? CE ? A LYS 97 CE 34 1 Y 1 A LYS 97 ? NZ ? A LYS 97 NZ 35 1 Y 1 A LYS 99 ? CE ? A LYS 99 CE 36 1 Y 1 A LYS 99 ? NZ ? A LYS 99 NZ 37 1 Y 1 A LYS 103 ? NZ ? A LYS 103 NZ 38 1 Y 1 A LYS 106 ? NZ ? A LYS 106 NZ 39 1 Y 1 A GLN 119 ? OE1 ? A GLN 119 OE1 40 1 Y 1 A GLN 119 ? NE2 ? A GLN 119 NE2 41 1 Y 1 A ARG 123 ? NH1 ? A ARG 123 NH1 42 1 Y 1 A ARG 123 ? NH2 ? A ARG 123 NH2 43 1 Y 1 A PRO 124 ? CG ? A PRO 124 CG 44 1 Y 1 A PRO 124 ? CD ? A PRO 124 CD # loop_ _pdbx_entity_nonpoly.entity_id _pdbx_entity_nonpoly.name _pdbx_entity_nonpoly.comp_id 2 IMIDAZOLE IMD 3 'HEME C' HEC 4 water HOH #