data_7AH0 # _entry.id 7AH0 # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.375 _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 7AH0 pdb_00007ah0 10.2210/pdb7ah0/pdb WWPDB D_1292111001 ? ? # _pdbx_database_status.status_code REL _pdbx_database_status.status_code_sf REL _pdbx_database_status.status_code_mr ? _pdbx_database_status.entry_id 7AH0 _pdbx_database_status.recvd_initial_deposition_date 2020-09-23 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site PDBE _pdbx_database_status.process_site PDBE _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? _pdbx_database_status.pdb_format_compatible Y # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Hutchins, G.H.' 1 0000-0001-6158-2591 'Parnell, A.E.' 2 0000-0002-0833-1969 'Anderson, J.L.R.' 3 0000-0002-6796-0482 # _citation.abstract ? _citation.abstract_id_CAS ? _citation.book_id_ISBN ? _citation.book_publisher ? _citation.book_publisher_city ? _citation.book_title ? _citation.coordinate_linkage ? _citation.country US _citation.database_id_Medline ? _citation.details ? _citation.id primary _citation.journal_abbrev Proc.Natl.Acad.Sci.USA _citation.journal_id_ASTM PNASA6 _citation.journal_id_CSD 0040 _citation.journal_id_ISSN 1091-6490 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume 120 _citation.language ? _citation.page_first e2306046120 _citation.page_last e2306046120 _citation.title 'An expandable, modular de novo protein platform for precision redox engineering.' _citation.year 2023 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1073/pnas.2306046120 _citation.pdbx_database_id_PubMed 37487099 _citation.pdbx_database_id_patent ? _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Hutchins, G.H.' 1 0000-0001-6158-2591 primary 'Noble, C.E.M.' 2 ? primary 'Bunzel, H.A.' 3 ? primary 'Williams, C.' 4 0000-0001-5806-9842 primary 'Dubiel, P.' 5 ? primary 'Yadav, S.K.N.' 6 0000-0003-0779-0941 primary 'Molinaro, P.M.' 7 ? primary 'Barringer, R.' 8 ? primary 'Blackburn, H.' 9 ? primary 'Hardy, B.J.' 10 0000-0001-5520-8966 primary 'Parnell, A.E.' 11 ? primary 'Landau, C.' 12 ? primary 'Race, P.R.' 13 0000-0003-0184-5630 primary 'Oliver, T.A.A.' 14 0000-0003-3979-7857 primary 'Koder, R.L.' 15 0000-0003-0868-4972 primary 'Crump, M.P.' 16 0000-0002-7868-5818 primary 'Schaffitzel, C.' 17 0000-0002-1516-9760 primary 'Oliveira, A.S.F.' 18 0000-0001-8753-4950 primary 'Mulholland, A.J.' 19 0000-0003-1015-4567 primary 'Anderson, J.L.R.' 20 0000-0002-6796-0482 # _cell.angle_alpha 90.00 _cell.angle_alpha_esd ? _cell.angle_beta 90.00 _cell.angle_beta_esd ? _cell.angle_gamma 120.00 _cell.angle_gamma_esd ? _cell.entry_id 7AH0 _cell.details ? _cell.formula_units_Z ? _cell.length_a 81.250 _cell.length_a_esd ? _cell.length_b 81.250 _cell.length_b_esd ? _cell.length_c 59.060 _cell.length_c_esd ? _cell.volume ? _cell.volume_esd ? _cell.Z_PDB 9 _cell.reciprocal_angle_alpha ? _cell.reciprocal_angle_beta ? _cell.reciprocal_angle_gamma ? _cell.reciprocal_angle_alpha_esd ? _cell.reciprocal_angle_beta_esd ? _cell.reciprocal_angle_gamma_esd ? _cell.reciprocal_length_a ? _cell.reciprocal_length_b ? _cell.reciprocal_length_c ? _cell.reciprocal_length_a_esd ? _cell.reciprocal_length_b_esd ? _cell.reciprocal_length_c_esd ? _cell.pdbx_unique_axis ? _cell.pdbx_esd_method ? # _symmetry.entry_id 7AH0 _symmetry.cell_setting ? _symmetry.Int_Tables_number 146 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'H 3' _symmetry.pdbx_full_space_group_name_H-M ? # 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 4D2 12652.146 1 ? ? ? ? 2 non-polymer syn 'PROTOPORPHYRIN IX CONTAINING FE' 616.487 2 ? ? ? ? 3 water nat water 18.015 5 ? ? ? ? # _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 ;GSPELREKHRALAEQVYATGQEMLKNTSNSPELREKHRALAEQVYATGQEMLKNGSVSPSPELREKHRALAEQVYATGQE MLKNTSNSPELREKHRALAEQVYATGQEMLKN ; _entity_poly.pdbx_seq_one_letter_code_can ;GSPELREKHRALAEQVYATGQEMLKNTSNSPELREKHRALAEQVYATGQEMLKNGSVSPSPELREKHRALAEQVYATGQE MLKNTSNSPELREKHRALAEQVYATGQEMLKN ; _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 GLY n 1 2 SER n 1 3 PRO n 1 4 GLU n 1 5 LEU n 1 6 ARG n 1 7 GLU n 1 8 LYS n 1 9 HIS n 1 10 ARG n 1 11 ALA n 1 12 LEU n 1 13 ALA n 1 14 GLU n 1 15 GLN n 1 16 VAL n 1 17 TYR n 1 18 ALA n 1 19 THR n 1 20 GLY n 1 21 GLN n 1 22 GLU n 1 23 MET n 1 24 LEU n 1 25 LYS n 1 26 ASN n 1 27 THR n 1 28 SER n 1 29 ASN n 1 30 SER n 1 31 PRO n 1 32 GLU n 1 33 LEU n 1 34 ARG n 1 35 GLU n 1 36 LYS n 1 37 HIS n 1 38 ARG n 1 39 ALA n 1 40 LEU n 1 41 ALA n 1 42 GLU n 1 43 GLN n 1 44 VAL n 1 45 TYR n 1 46 ALA n 1 47 THR n 1 48 GLY n 1 49 GLN n 1 50 GLU n 1 51 MET n 1 52 LEU n 1 53 LYS n 1 54 ASN n 1 55 GLY n 1 56 SER n 1 57 VAL n 1 58 SER n 1 59 PRO n 1 60 SER n 1 61 PRO n 1 62 GLU n 1 63 LEU n 1 64 ARG n 1 65 GLU n 1 66 LYS n 1 67 HIS n 1 68 ARG n 1 69 ALA n 1 70 LEU n 1 71 ALA n 1 72 GLU n 1 73 GLN n 1 74 VAL n 1 75 TYR n 1 76 ALA n 1 77 THR n 1 78 GLY n 1 79 GLN n 1 80 GLU n 1 81 MET n 1 82 LEU n 1 83 LYS n 1 84 ASN n 1 85 THR n 1 86 SER n 1 87 ASN n 1 88 SER n 1 89 PRO n 1 90 GLU n 1 91 LEU n 1 92 ARG n 1 93 GLU n 1 94 LYS n 1 95 HIS n 1 96 ARG n 1 97 ALA n 1 98 LEU n 1 99 ALA n 1 100 GLU n 1 101 GLN n 1 102 VAL n 1 103 TYR n 1 104 ALA n 1 105 THR n 1 106 GLY n 1 107 GLN n 1 108 GLU n 1 109 MET n 1 110 LEU n 1 111 LYS n 1 112 ASN 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 'Biological sequence' _entity_src_gen.pdbx_beg_seq_num 1 _entity_src_gen.pdbx_end_seq_num 112 _entity_src_gen.gene_src_common_name ? _entity_src_gen.gene_src_genus ? _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 'T7 Express' _entity_src_gen.pdbx_gene_src_fragment ? _entity_src_gen.pdbx_gene_src_scientific_name 'synthetic construct' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 32630 _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(DE3)' _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id 469008 _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 'T7 Express' _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 PDB _struct_ref.db_code 7AH0 _struct_ref.pdbx_db_accession 7AH0 _struct_ref.pdbx_db_isoform ? _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code ? _struct_ref.pdbx_align_begin 1 # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 7AH0 _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 112 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 7AH0 _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 112 _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 112 # 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 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 HEM non-polymer . 'PROTOPORPHYRIN IX CONTAINING FE' HEME 'C34 H32 Fe N4 O4' 616.487 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 HOH non-polymer . WATER ? 'H2 O' 18.015 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 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 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.absorpt_coefficient_mu ? _exptl.absorpt_correction_T_max ? _exptl.absorpt_correction_T_min ? _exptl.absorpt_correction_type ? _exptl.absorpt_process_details ? _exptl.entry_id 7AH0 _exptl.crystals_number 1 _exptl.details ? _exptl.method 'X-RAY DIFFRACTION' _exptl.method_details ? # _exptl_crystal.colour ? _exptl_crystal.density_diffrn ? _exptl_crystal.density_Matthews 3.10 _exptl_crystal.density_method ? _exptl_crystal.density_percent_sol 60.30 _exptl_crystal.description ? _exptl_crystal.F_000 ? _exptl_crystal.id 1 _exptl_crystal.preparation ? _exptl_crystal.size_max ? _exptl_crystal.size_mid ? _exptl_crystal.size_min ? _exptl_crystal.size_rad ? _exptl_crystal.colour_lustre ? _exptl_crystal.colour_modifier ? _exptl_crystal.colour_primary ? _exptl_crystal.density_meas ? _exptl_crystal.density_meas_esd ? _exptl_crystal.density_meas_gt ? _exptl_crystal.density_meas_lt ? _exptl_crystal.density_meas_temp ? _exptl_crystal.density_meas_temp_esd ? _exptl_crystal.density_meas_temp_gt ? _exptl_crystal.density_meas_temp_lt ? _exptl_crystal.pdbx_crystal_image_url ? _exptl_crystal.pdbx_crystal_image_format ? _exptl_crystal.pdbx_mosaicity ? _exptl_crystal.pdbx_mosaicity_esd ? _exptl_crystal.pdbx_mosaic_method ? _exptl_crystal.pdbx_mosaic_block_size ? _exptl_crystal.pdbx_mosaic_block_size_esd ? # _exptl_crystal_grow.apparatus ? _exptl_crystal_grow.atmosphere ? _exptl_crystal_grow.crystal_id 1 _exptl_crystal_grow.details ? _exptl_crystal_grow.method 'VAPOR DIFFUSION, SITTING DROP' _exptl_crystal_grow.method_ref ? _exptl_crystal_grow.pH 8.5 _exptl_crystal_grow.pressure ? _exptl_crystal_grow.pressure_esd ? _exptl_crystal_grow.seeding ? _exptl_crystal_grow.seeding_ref ? _exptl_crystal_grow.temp_details ? _exptl_crystal_grow.temp_esd ? _exptl_crystal_grow.time ? _exptl_crystal_grow.pdbx_details ;Buffer 0.1M bicine/Trizma Base pH 8.5 0.03M Sodium fluoride; 0.03M Sodium bromide; 0.03M Sodium iodide 12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD ; _exptl_crystal_grow.pdbx_pH_range ? _exptl_crystal_grow.temp 295 # _diffrn.ambient_environment ? _diffrn.ambient_temp 80 _diffrn.ambient_temp_details ? _diffrn.ambient_temp_esd ? _diffrn.crystal_id 1 _diffrn.crystal_support ? _diffrn.crystal_treatment ? _diffrn.details ? _diffrn.id 1 _diffrn.ambient_pressure ? _diffrn.ambient_pressure_esd ? _diffrn.ambient_pressure_gt ? _diffrn.ambient_pressure_lt ? _diffrn.ambient_temp_gt ? _diffrn.ambient_temp_lt ? _diffrn.pdbx_serial_crystal_experiment N # _diffrn_detector.details ? _diffrn_detector.detector PIXEL _diffrn_detector.diffrn_id 1 _diffrn_detector.type 'DECTRIS EIGER2 XE 16M' _diffrn_detector.area_resol_mean ? _diffrn_detector.dtime ? _diffrn_detector.pdbx_frames_total ? _diffrn_detector.pdbx_collection_time_total ? _diffrn_detector.pdbx_collection_date 2017-06-24 _diffrn_detector.pdbx_frequency ? _diffrn_detector.id ? _diffrn_detector.number_of_axes ? # _diffrn_radiation.collimation ? _diffrn_radiation.diffrn_id 1 _diffrn_radiation.filter_edge ? _diffrn_radiation.inhomogeneity ? _diffrn_radiation.monochromator ? _diffrn_radiation.polarisn_norm ? _diffrn_radiation.polarisn_ratio ? _diffrn_radiation.probe ? _diffrn_radiation.type ? _diffrn_radiation.xray_symbol ? _diffrn_radiation.wavelength_id 1 _diffrn_radiation.pdbx_monochromatic_or_laue_m_l M _diffrn_radiation.pdbx_wavelength_list ? _diffrn_radiation.pdbx_wavelength ? _diffrn_radiation.pdbx_diffrn_protocol MAD _diffrn_radiation.pdbx_analyzer ? _diffrn_radiation.pdbx_scattering_type x-ray # loop_ _diffrn_radiation_wavelength.id _diffrn_radiation_wavelength.wavelength _diffrn_radiation_wavelength.wt 1 0.9762 1.0 2 1.741 1.0 3 1.738 1.0 4 1.698 1.0 # _diffrn_source.current ? _diffrn_source.details ? _diffrn_source.diffrn_id 1 _diffrn_source.power ? _diffrn_source.size ? _diffrn_source.source SYNCHROTRON _diffrn_source.target ? _diffrn_source.type 'DIAMOND BEAMLINE I03' _diffrn_source.voltage ? _diffrn_source.take-off_angle ? _diffrn_source.pdbx_wavelength_list '0.9762, 1.741, 1.738, 1.698' _diffrn_source.pdbx_wavelength ? _diffrn_source.pdbx_synchrotron_beamline I03 _diffrn_source.pdbx_synchrotron_site Diamond # _reflns.B_iso_Wilson_estimate ? _reflns.entry_id 7AH0 _reflns.data_reduction_details ? _reflns.data_reduction_method ? _reflns.d_resolution_high 1.910 _reflns.d_resolution_low 40.620 _reflns.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.number_all ? _reflns.number_obs 11214 _reflns.observed_criterion ? _reflns.observed_criterion_F_max ? _reflns.observed_criterion_F_min ? _reflns.observed_criterion_I_max ? _reflns.observed_criterion_I_min ? _reflns.observed_criterion_sigma_F ? _reflns.observed_criterion_sigma_I ? _reflns.percent_possible_obs 99.5 _reflns.R_free_details ? _reflns.Rmerge_F_all ? _reflns.Rmerge_F_obs ? _reflns.Friedel_coverage ? _reflns.number_gt ? _reflns.threshold_expression ? _reflns.pdbx_redundancy 9.700 _reflns.pdbx_netI_over_av_sigmaI ? _reflns.pdbx_netI_over_sigmaI 11.1000 _reflns.pdbx_res_netI_over_av_sigmaI_2 ? _reflns.pdbx_res_netI_over_sigmaI_2 ? _reflns.pdbx_chi_squared ? _reflns.pdbx_scaling_rejects ? _reflns.pdbx_d_res_high_opt ? _reflns.pdbx_d_res_low_opt ? _reflns.pdbx_d_res_opt_method ? _reflns.phase_calculation_details ? _reflns.pdbx_Rrim_I_all ? _reflns.pdbx_Rpim_I_all ? _reflns.pdbx_d_opt ? _reflns.pdbx_number_measured_all ? _reflns.pdbx_diffrn_id 1 _reflns.pdbx_ordinal 1 _reflns.pdbx_CC_half ? _reflns.pdbx_CC_star ? _reflns.pdbx_R_split ? _reflns.pdbx_Rmerge_I_obs 0.12900 _reflns.pdbx_Rmerge_I_all ? _reflns.pdbx_Rsym_value ? _reflns.pdbx_CC_split_method ? _reflns.pdbx_aniso_diffraction_limit_axis_1_ortho[1] ? _reflns.pdbx_aniso_diffraction_limit_axis_1_ortho[2] ? _reflns.pdbx_aniso_diffraction_limit_axis_1_ortho[3] ? _reflns.pdbx_aniso_diffraction_limit_axis_2_ortho[1] ? _reflns.pdbx_aniso_diffraction_limit_axis_2_ortho[2] ? _reflns.pdbx_aniso_diffraction_limit_axis_2_ortho[3] ? _reflns.pdbx_aniso_diffraction_limit_axis_3_ortho[1] ? _reflns.pdbx_aniso_diffraction_limit_axis_3_ortho[2] ? _reflns.pdbx_aniso_diffraction_limit_axis_3_ortho[3] ? _reflns.pdbx_aniso_diffraction_limit_1 ? _reflns.pdbx_aniso_diffraction_limit_2 ? _reflns.pdbx_aniso_diffraction_limit_3 ? _reflns.pdbx_aniso_B_tensor_eigenvector_1_ortho[1] ? _reflns.pdbx_aniso_B_tensor_eigenvector_1_ortho[2] ? _reflns.pdbx_aniso_B_tensor_eigenvector_1_ortho[3] ? _reflns.pdbx_aniso_B_tensor_eigenvector_2_ortho[1] ? _reflns.pdbx_aniso_B_tensor_eigenvector_2_ortho[2] ? _reflns.pdbx_aniso_B_tensor_eigenvector_2_ortho[3] ? _reflns.pdbx_aniso_B_tensor_eigenvector_3_ortho[1] ? _reflns.pdbx_aniso_B_tensor_eigenvector_3_ortho[2] ? _reflns.pdbx_aniso_B_tensor_eigenvector_3_ortho[3] ? _reflns.pdbx_aniso_B_tensor_eigenvalue_1 ? _reflns.pdbx_aniso_B_tensor_eigenvalue_2 ? _reflns.pdbx_aniso_B_tensor_eigenvalue_3 ? _reflns.pdbx_orthogonalization_convention ? _reflns.pdbx_percent_possible_ellipsoidal ? _reflns.pdbx_percent_possible_spherical ? _reflns.pdbx_percent_possible_ellipsoidal_anomalous ? _reflns.pdbx_percent_possible_spherical_anomalous ? _reflns.pdbx_redundancy_anomalous ? _reflns.pdbx_CC_half_anomalous ? _reflns.pdbx_absDiff_over_sigma_anomalous ? _reflns.pdbx_percent_possible_anomalous ? _reflns.pdbx_observed_signal_threshold ? _reflns.pdbx_signal_type ? _reflns.pdbx_signal_details ? _reflns.pdbx_signal_software_id ? # _reflns_shell.d_res_high 1.91 _reflns_shell.d_res_low 1.96 _reflns_shell.meanI_over_sigI_all ? _reflns_shell.meanI_over_sigI_obs 1.500 _reflns_shell.number_measured_all ? _reflns_shell.number_measured_obs ? _reflns_shell.number_possible ? _reflns_shell.number_unique_all ? _reflns_shell.number_unique_obs 751 _reflns_shell.percent_possible_obs ? _reflns_shell.Rmerge_F_all ? _reflns_shell.Rmerge_F_obs ? _reflns_shell.meanI_over_sigI_gt ? _reflns_shell.meanI_over_uI_all ? _reflns_shell.meanI_over_uI_gt ? _reflns_shell.number_measured_gt ? _reflns_shell.number_unique_gt ? _reflns_shell.percent_possible_gt ? _reflns_shell.Rmerge_F_gt ? _reflns_shell.Rmerge_I_gt ? _reflns_shell.pdbx_redundancy 10.20 _reflns_shell.pdbx_chi_squared ? _reflns_shell.pdbx_netI_over_sigmaI_all ? _reflns_shell.pdbx_netI_over_sigmaI_obs ? _reflns_shell.pdbx_Rrim_I_all ? _reflns_shell.pdbx_Rpim_I_all ? _reflns_shell.pdbx_rejects ? _reflns_shell.pdbx_ordinal 1 _reflns_shell.pdbx_diffrn_id 1 _reflns_shell.pdbx_CC_half ? _reflns_shell.pdbx_CC_star ? _reflns_shell.pdbx_R_split ? _reflns_shell.percent_possible_all 99.4 _reflns_shell.Rmerge_I_all ? _reflns_shell.Rmerge_I_obs 1.60200 _reflns_shell.pdbx_Rsym_value ? _reflns_shell.pdbx_percent_possible_ellipsoidal ? _reflns_shell.pdbx_percent_possible_spherical ? _reflns_shell.pdbx_percent_possible_ellipsoidal_anomalous ? _reflns_shell.pdbx_percent_possible_spherical_anomalous ? _reflns_shell.pdbx_redundancy_anomalous ? _reflns_shell.pdbx_CC_half_anomalous ? _reflns_shell.pdbx_absDiff_over_sigma_anomalous ? _reflns_shell.pdbx_percent_possible_anomalous ? # _refine.aniso_B[1][1] -1.81000 _refine.aniso_B[1][2] -0.90000 _refine.aniso_B[1][3] 0.00000 _refine.aniso_B[2][2] -1.81000 _refine.aniso_B[2][3] 0.00000 _refine.aniso_B[3][3] 5.86000 _refine.B_iso_max ? _refine.B_iso_mean 41.77 _refine.B_iso_min ? _refine.correlation_coeff_Fo_to_Fc 0.959 _refine.correlation_coeff_Fo_to_Fc_free 0.936 _refine.details 'HYDROGENS HAVE BEEN ADDED IN THE RIDING' _refine.diff_density_max ? _refine.diff_density_max_esd ? _refine.diff_density_min ? _refine.diff_density_min_esd ? _refine.diff_density_rms ? _refine.diff_density_rms_esd ? _refine.entry_id 7AH0 _refine.pdbx_refine_id 'X-RAY DIFFRACTION' _refine.ls_abs_structure_details ? _refine.ls_abs_structure_Flack ? _refine.ls_abs_structure_Flack_esd ? _refine.ls_abs_structure_Rogers ? _refine.ls_abs_structure_Rogers_esd ? _refine.ls_d_res_high 1.91 _refine.ls_d_res_low 30.24 _refine.ls_extinction_coef ? _refine.ls_extinction_coef_esd ? _refine.ls_extinction_expression ? _refine.ls_extinction_method ? _refine.ls_goodness_of_fit_all ? _refine.ls_goodness_of_fit_all_esd ? _refine.ls_goodness_of_fit_obs ? _refine.ls_goodness_of_fit_obs_esd ? _refine.ls_hydrogen_treatment ? _refine.ls_matrix_type ? _refine.ls_number_constraints ? _refine.ls_number_parameters ? _refine.ls_number_reflns_all ? _refine.ls_number_reflns_obs 10644 _refine.ls_number_reflns_R_free 569 _refine.ls_number_reflns_R_work ? _refine.ls_number_restraints ? _refine.ls_percent_reflns_obs 99.5 _refine.ls_percent_reflns_R_free 5.100 _refine.ls_R_factor_all ? _refine.ls_R_factor_obs ? _refine.ls_R_factor_R_free 0.219 _refine.ls_R_factor_R_free_error ? _refine.ls_R_factor_R_free_error_details ? _refine.ls_R_factor_R_work 0.213 _refine.ls_R_Fsqd_factor_obs ? _refine.ls_R_I_factor_obs ? _refine.ls_redundancy_reflns_all ? _refine.ls_redundancy_reflns_obs ? _refine.ls_restrained_S_all ? _refine.ls_restrained_S_obs ? _refine.ls_shift_over_esd_max ? _refine.ls_shift_over_esd_mean ? _refine.ls_structure_factor_coef ? _refine.ls_weighting_details ? _refine.ls_weighting_scheme ? _refine.ls_wR_factor_all ? _refine.ls_wR_factor_obs ? _refine.ls_wR_factor_R_free ? _refine.ls_wR_factor_R_work ? _refine.occupancy_max ? _refine.occupancy_min ? _refine.solvent_model_details MASK _refine.solvent_model_param_bsol ? _refine.solvent_model_param_ksol ? _refine.pdbx_R_complete ? _refine.ls_R_factor_gt ? _refine.ls_goodness_of_fit_gt ? _refine.ls_goodness_of_fit_ref ? _refine.ls_shift_over_su_max ? _refine.ls_shift_over_su_max_lt ? _refine.ls_shift_over_su_mean ? _refine.ls_shift_over_su_mean_lt ? _refine.pdbx_ls_sigma_I ? _refine.pdbx_ls_sigma_F 0.000 _refine.pdbx_ls_sigma_Fsqd ? _refine.pdbx_data_cutoff_high_absF ? _refine.pdbx_data_cutoff_high_rms_absF ? _refine.pdbx_data_cutoff_low_absF ? _refine.pdbx_isotropic_thermal_model ? _refine.pdbx_ls_cross_valid_method THROUGHOUT _refine.pdbx_method_to_determine_struct MAD _refine.pdbx_starting_model ? _refine.pdbx_stereochemistry_target_values 'MAXIMUM LIKELIHOOD' _refine.pdbx_R_Free_selection_details RANDOM _refine.pdbx_stereochem_target_val_spec_case ? _refine.pdbx_overall_ESU_R 0.148 _refine.pdbx_overall_ESU_R_Free 0.141 _refine.pdbx_solvent_vdw_probe_radii 1.20 _refine.pdbx_solvent_ion_probe_radii 0.80 _refine.pdbx_solvent_shrinkage_radii 0.80 _refine.pdbx_real_space_R ? _refine.pdbx_density_correlation ? _refine.pdbx_pd_number_of_powder_patterns ? _refine.pdbx_pd_number_of_points ? _refine.pdbx_pd_meas_number_of_points ? _refine.pdbx_pd_proc_ls_prof_R_factor ? _refine.pdbx_pd_proc_ls_prof_wR_factor ? _refine.pdbx_pd_Marquardt_correlation_coeff ? _refine.pdbx_pd_Fsqrd_R_factor ? _refine.pdbx_pd_ls_matrix_band_width ? _refine.pdbx_overall_phase_error ? _refine.pdbx_overall_SU_R_free_Cruickshank_DPI ? _refine.pdbx_overall_SU_R_free_Blow_DPI ? _refine.pdbx_overall_SU_R_Blow_DPI ? _refine.pdbx_TLS_residual_ADP_flag ? _refine.pdbx_diffrn_id 1 _refine.overall_SU_B 5.238 _refine.overall_SU_ML 0.139 _refine.overall_SU_R_Cruickshank_DPI ? _refine.overall_SU_R_free ? _refine.overall_FOM_free_R_set ? _refine.overall_FOM_work_R_set ? _refine.pdbx_average_fsc_overall ? _refine.pdbx_average_fsc_work ? _refine.pdbx_average_fsc_free ? # _refine_hist.pdbx_refine_id 'X-RAY DIFFRACTION' _refine_hist.cycle_id LAST _refine_hist.details ? _refine_hist.d_res_high 1.91 _refine_hist.d_res_low 30.24 _refine_hist.number_atoms_solvent 5 _refine_hist.number_atoms_total 925 _refine_hist.number_reflns_all ? _refine_hist.number_reflns_obs ? _refine_hist.number_reflns_R_free ? _refine_hist.number_reflns_R_work ? _refine_hist.R_factor_all ? _refine_hist.R_factor_obs ? _refine_hist.R_factor_R_free ? _refine_hist.R_factor_R_work ? _refine_hist.pdbx_number_residues_total ? _refine_hist.pdbx_B_iso_mean_ligand ? _refine_hist.pdbx_B_iso_mean_solvent ? _refine_hist.pdbx_number_atoms_protein 834 _refine_hist.pdbx_number_atoms_nucleic_acid 0 _refine_hist.pdbx_number_atoms_ligand 86 _refine_hist.pdbx_number_atoms_lipid ? _refine_hist.pdbx_number_atoms_carb ? _refine_hist.pdbx_pseudo_atom_details ? # loop_ _refine_ls_restr.pdbx_refine_id _refine_ls_restr.criterion _refine_ls_restr.dev_ideal _refine_ls_restr.dev_ideal_target _refine_ls_restr.number _refine_ls_restr.rejects _refine_ls_restr.type _refine_ls_restr.weight _refine_ls_restr.pdbx_restraint_function 'X-RAY DIFFRACTION' ? 0.011 0.014 960 ? r_bond_refined_d ? ? 'X-RAY DIFFRACTION' ? 0.002 0.018 860 ? r_bond_other_d ? ? 'X-RAY DIFFRACTION' ? 1.901 1.831 1316 ? r_angle_refined_deg ? ? 'X-RAY DIFFRACTION' ? 1.293 1.666 1992 ? r_angle_other_deg ? ? 'X-RAY DIFFRACTION' ? 5.000 5.000 104 ? r_dihedral_angle_1_deg ? ? 'X-RAY DIFFRACTION' ? 33.804 22.593 54 ? r_dihedral_angle_2_deg ? ? 'X-RAY DIFFRACTION' ? 15.301 15.000 170 ? r_dihedral_angle_3_deg ? ? 'X-RAY DIFFRACTION' ? 26.127 15.000 8 ? r_dihedral_angle_4_deg ? ? 'X-RAY DIFFRACTION' ? 0.074 0.200 108 ? r_chiral_restr ? ? 'X-RAY DIFFRACTION' ? 0.010 0.020 1084 ? r_gen_planes_refined ? ? 'X-RAY DIFFRACTION' ? 0.011 0.020 204 ? r_gen_planes_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_nbd_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_nbd_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_nbtor_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_nbtor_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_xyhbond_nbd_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_xyhbond_nbd_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_metal_ion_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_metal_ion_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_vdw_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_vdw_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_hbond_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_hbond_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_metal_ion_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_symmetry_metal_ion_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_mcbond_it ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_mcbond_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_mcangle_it ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_mcangle_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_scbond_it ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_scbond_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_scangle_it ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_scangle_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_long_range_B_refined ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_long_range_B_other ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_rigid_bond_restr ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_sphericity_free ? ? 'X-RAY DIFFRACTION' ? ? ? ? ? r_sphericity_bonded ? ? # _refine_ls_shell.pdbx_refine_id 'X-RAY DIFFRACTION' _refine_ls_shell.d_res_high 1.91 _refine_ls_shell.d_res_low 1.96 _refine_ls_shell.number_reflns_all ? _refine_ls_shell.number_reflns_obs ? _refine_ls_shell.number_reflns_R_free 31 _refine_ls_shell.number_reflns_R_work 796 _refine_ls_shell.percent_reflns_obs 99.40 _refine_ls_shell.percent_reflns_R_free ? _refine_ls_shell.R_factor_all ? _refine_ls_shell.R_factor_obs ? _refine_ls_shell.R_factor_R_free_error ? _refine_ls_shell.R_factor_R_work 0.3570 _refine_ls_shell.redundancy_reflns_all ? _refine_ls_shell.redundancy_reflns_obs ? _refine_ls_shell.wR_factor_all ? _refine_ls_shell.wR_factor_obs ? _refine_ls_shell.wR_factor_R_free ? _refine_ls_shell.wR_factor_R_work ? _refine_ls_shell.pdbx_R_complete ? _refine_ls_shell.pdbx_total_number_of_bins_used 20 _refine_ls_shell.pdbx_phase_error ? _refine_ls_shell.pdbx_fsc_work ? _refine_ls_shell.pdbx_fsc_free ? _refine_ls_shell.R_factor_R_free 0.3230 # _struct.entry_id 7AH0 _struct.title 'Crystal structure of the de novo designed two-heme binding protein, 4D2' _struct.pdbx_model_details ? _struct.pdbx_formula_weight ? _struct.pdbx_formula_weight_method ? _struct.pdbx_model_type_details ? _struct.pdbx_CASP_flag N # _struct_keywords.entry_id 7AH0 _struct_keywords.text 'Heme, Maquette, DE NOVO PROTEIN' _struct_keywords.pdbx_keywords 'DE NOVO PROTEIN' # 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 2 ? D 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 AA1 SER A 2 ? LYS A 25 ? SER A 2 LYS A 25 1 ? 24 HELX_P HELX_P2 AA2 SER A 30 ? LEU A 52 ? SER A 30 LEU A 52 1 ? 23 HELX_P HELX_P3 AA3 PRO A 61 ? LEU A 82 ? PRO A 61 LEU A 82 1 ? 22 HELX_P HELX_P4 AA4 SER A 88 ? MET A 109 ? SER A 88 MET A 109 1 ? 22 # _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 metalc1 metalc ? ? A HIS 9 NE2 ? ? ? 1_555 B HEM . FE ? ? A HIS 9 A HEM 201 1_555 ? ? ? ? ? ? ? 2.011 ? ? metalc2 metalc ? ? A HIS 37 NE2 ? ? ? 1_555 C HEM . FE ? ? A HIS 37 A HEM 202 1_555 ? ? ? ? ? ? ? 2.055 ? ? metalc3 metalc ? ? A HIS 67 NE2 ? ? ? 1_555 B HEM . FE ? ? A HIS 67 A HEM 201 1_555 ? ? ? ? ? ? ? 2.063 ? ? metalc4 metalc ? ? A HIS 95 NE2 ? ? ? 1_555 C HEM . FE ? ? A HIS 95 A HEM 202 1_555 ? ? ? ? ? ? ? 2.057 ? ? # _struct_conn_type.id metalc _struct_conn_type.criteria ? _struct_conn_type.reference ? # _atom_sites.entry_id 7AH0 _atom_sites.Cartn_transf_matrix[1][1] ? _atom_sites.Cartn_transf_matrix[1][2] ? _atom_sites.Cartn_transf_matrix[1][3] ? _atom_sites.Cartn_transf_matrix[2][1] ? _atom_sites.Cartn_transf_matrix[2][2] ? _atom_sites.Cartn_transf_matrix[2][3] ? _atom_sites.Cartn_transf_matrix[3][1] ? _atom_sites.Cartn_transf_matrix[3][2] ? _atom_sites.Cartn_transf_matrix[3][3] ? _atom_sites.Cartn_transf_vector[1] ? _atom_sites.Cartn_transf_vector[2] ? _atom_sites.Cartn_transf_vector[3] ? _atom_sites.fract_transf_matrix[1][1] 0.012308 _atom_sites.fract_transf_matrix[1][2] 0.007106 _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] 0.014212 _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] 0.016932 _atom_sites.fract_transf_vector[1] 0.00000 _atom_sites.fract_transf_vector[2] 0.00000 _atom_sites.fract_transf_vector[3] 0.00000 _atom_sites.solution_primary ? _atom_sites.solution_secondary ? _atom_sites.solution_hydrogens ? _atom_sites.special_details ? # loop_ _atom_type.symbol C FE 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 GLY 1 1 ? ? ? A . n A 1 2 SER 2 2 2 SER SER A . n A 1 3 PRO 3 3 3 PRO PRO A . n A 1 4 GLU 4 4 4 GLU GLU A . n A 1 5 LEU 5 5 5 LEU LEU A . n A 1 6 ARG 6 6 6 ARG ARG A . n A 1 7 GLU 7 7 7 GLU GLU A . n A 1 8 LYS 8 8 8 LYS LYS A . n A 1 9 HIS 9 9 9 HIS HIS A . n A 1 10 ARG 10 10 10 ARG ARG A . n A 1 11 ALA 11 11 11 ALA ALA A . n A 1 12 LEU 12 12 12 LEU LEU A . n A 1 13 ALA 13 13 13 ALA ALA A . n A 1 14 GLU 14 14 14 GLU GLU A . n A 1 15 GLN 15 15 15 GLN GLN A . n A 1 16 VAL 16 16 16 VAL VAL A . n A 1 17 TYR 17 17 17 TYR TYR A . n A 1 18 ALA 18 18 18 ALA ALA A . n A 1 19 THR 19 19 19 THR THR A . n A 1 20 GLY 20 20 20 GLY GLY A . n A 1 21 GLN 21 21 21 GLN GLN A . n A 1 22 GLU 22 22 22 GLU GLU A . n A 1 23 MET 23 23 23 MET MET A . n A 1 24 LEU 24 24 24 LEU LEU A . n A 1 25 LYS 25 25 25 LYS LYS A . n A 1 26 ASN 26 26 26 ASN ASN A . n A 1 27 THR 27 27 27 THR THR A . n A 1 28 SER 28 28 28 SER SER A . n A 1 29 ASN 29 29 29 ASN ASN A . n A 1 30 SER 30 30 30 SER SER A . n A 1 31 PRO 31 31 31 PRO PRO A . n A 1 32 GLU 32 32 32 GLU GLU A . n A 1 33 LEU 33 33 33 LEU LEU A . n A 1 34 ARG 34 34 34 ARG ARG A . n A 1 35 GLU 35 35 35 GLU GLU A . n A 1 36 LYS 36 36 36 LYS LYS A . n A 1 37 HIS 37 37 37 HIS HIS A . n A 1 38 ARG 38 38 38 ARG ARG A . n A 1 39 ALA 39 39 39 ALA ALA A . n A 1 40 LEU 40 40 40 LEU LEU A . n A 1 41 ALA 41 41 41 ALA ALA A . n A 1 42 GLU 42 42 42 GLU GLU A . n A 1 43 GLN 43 43 43 GLN GLN A . n A 1 44 VAL 44 44 44 VAL VAL A . n A 1 45 TYR 45 45 45 TYR TYR A . n A 1 46 ALA 46 46 46 ALA ALA A . n A 1 47 THR 47 47 47 THR THR A . n A 1 48 GLY 48 48 48 GLY GLY A . n A 1 49 GLN 49 49 49 GLN GLN A . n A 1 50 GLU 50 50 50 GLU GLU A . n A 1 51 MET 51 51 51 MET MET A . n A 1 52 LEU 52 52 52 LEU LEU A . n A 1 53 LYS 53 53 53 LYS LYS A . n A 1 54 ASN 54 54 ? ? ? A . n A 1 55 GLY 55 55 ? ? ? A . n A 1 56 SER 56 56 ? ? ? A . n A 1 57 VAL 57 57 ? ? ? A . n A 1 58 SER 58 58 ? ? ? A . n A 1 59 PRO 59 59 ? ? ? A . n A 1 60 SER 60 60 60 SER SER A . n A 1 61 PRO 61 61 61 PRO PRO 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 ARG 64 64 64 ARG ARG A . n A 1 65 GLU 65 65 65 GLU GLU A . n A 1 66 LYS 66 66 66 LYS LYS A . n A 1 67 HIS 67 67 67 HIS HIS A . n A 1 68 ARG 68 68 68 ARG ARG A . n A 1 69 ALA 69 69 69 ALA ALA A . n A 1 70 LEU 70 70 70 LEU LEU A . n A 1 71 ALA 71 71 71 ALA ALA A . n A 1 72 GLU 72 72 72 GLU GLU A . n A 1 73 GLN 73 73 73 GLN GLN A . n A 1 74 VAL 74 74 74 VAL VAL A . n A 1 75 TYR 75 75 75 TYR TYR A . n A 1 76 ALA 76 76 76 ALA ALA A . n A 1 77 THR 77 77 77 THR THR A . n A 1 78 GLY 78 78 78 GLY GLY A . n A 1 79 GLN 79 79 79 GLN GLN A . n A 1 80 GLU 80 80 80 GLU GLU A . n A 1 81 MET 81 81 81 MET MET A . n A 1 82 LEU 82 82 82 LEU LEU A . n A 1 83 LYS 83 83 83 LYS LYS A . n A 1 84 ASN 84 84 84 ASN ASN A . n A 1 85 THR 85 85 85 THR THR A . n A 1 86 SER 86 86 86 SER SER A . n A 1 87 ASN 87 87 87 ASN ASN A . n A 1 88 SER 88 88 88 SER SER A . n A 1 89 PRO 89 89 89 PRO PRO A . n A 1 90 GLU 90 90 90 GLU GLU A . n A 1 91 LEU 91 91 91 LEU LEU A . n A 1 92 ARG 92 92 92 ARG ARG A . n A 1 93 GLU 93 93 93 GLU GLU A . n A 1 94 LYS 94 94 94 LYS LYS A . n A 1 95 HIS 95 95 95 HIS HIS A . n A 1 96 ARG 96 96 96 ARG ARG A . n A 1 97 ALA 97 97 97 ALA ALA A . n A 1 98 LEU 98 98 98 LEU LEU A . n A 1 99 ALA 99 99 99 ALA ALA A . n A 1 100 GLU 100 100 100 GLU GLU A . n A 1 101 GLN 101 101 101 GLN GLN A . n A 1 102 VAL 102 102 102 VAL VAL A . n A 1 103 TYR 103 103 103 TYR TYR A . n A 1 104 ALA 104 104 104 ALA ALA A . n A 1 105 THR 105 105 105 THR THR A . n A 1 106 GLY 106 106 106 GLY GLY A . n A 1 107 GLN 107 107 107 GLN GLN A . n A 1 108 GLU 108 108 108 GLU GLU A . n A 1 109 MET 109 109 109 MET MET A . n A 1 110 LEU 110 110 110 LEU LEU A . n A 1 111 LYS 111 111 111 LYS LYS A . n A 1 112 ASN 112 112 ? ? ? A . n # _pdbx_contact_author.id 2 _pdbx_contact_author.email ross.anderson@bristol.ac.uk _pdbx_contact_author.name_first Ross _pdbx_contact_author.name_last Anderson _pdbx_contact_author.name_mi JL _pdbx_contact_author.role 'principal investigator/group leader' _pdbx_contact_author.identifier_ORCID 0000-0002-6796-0482 # 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 HEM 1 201 201 HEM HEM A . C 2 HEM 1 202 202 HEM HEM A . D 3 HOH 1 301 301 HOH HOH A . D 3 HOH 2 302 302 HOH HOH A . D 3 HOH 3 303 303 HOH HOH A . D 3 HOH 4 304 305 HOH HOH A . D 3 HOH 5 305 304 HOH HOH A . # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_and_software_defined_assembly _pdbx_struct_assembly.method_details PISA _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 # loop_ _pdbx_struct_assembly_prop.biol_id _pdbx_struct_assembly_prop.type _pdbx_struct_assembly_prop.value _pdbx_struct_assembly_prop.details 1 'ABSA (A^2)' 2510 ? 1 MORE -51 ? 1 'SSA (A^2)' 6480 ? # _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 9 ? A HIS 9 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NA ? B HEM . ? A HEM 201 ? 1_555 88.2 ? 2 NE2 ? A HIS 9 ? A HIS 9 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NB ? B HEM . ? A HEM 201 ? 1_555 90.1 ? 3 NA ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NB ? B HEM . ? A HEM 201 ? 1_555 89.1 ? 4 NE2 ? A HIS 9 ? A HIS 9 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NC ? B HEM . ? A HEM 201 ? 1_555 93.6 ? 5 NA ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NC ? B HEM . ? A HEM 201 ? 1_555 176.8 ? 6 NB ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NC ? B HEM . ? A HEM 201 ? 1_555 88.4 ? 7 NE2 ? A HIS 9 ? A HIS 9 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 ND ? B HEM . ? A HEM 201 ? 1_555 91.4 ? 8 NA ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 ND ? B HEM . ? A HEM 201 ? 1_555 92.2 ? 9 NB ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 ND ? B HEM . ? A HEM 201 ? 1_555 178.1 ? 10 NC ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 ND ? B HEM . ? A HEM 201 ? 1_555 90.3 ? 11 NE2 ? A HIS 9 ? A HIS 9 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NE2 ? A HIS 67 ? A HIS 67 ? 1_555 176.8 ? 12 NA ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NE2 ? A HIS 67 ? A HIS 67 ? 1_555 90.0 ? 13 NB ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NE2 ? A HIS 67 ? A HIS 67 ? 1_555 87.2 ? 14 NC ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NE2 ? A HIS 67 ? A HIS 67 ? 1_555 88.1 ? 15 ND ? B HEM . ? A HEM 201 ? 1_555 FE ? B HEM . ? A HEM 201 ? 1_555 NE2 ? A HIS 67 ? A HIS 67 ? 1_555 91.4 ? 16 NE2 ? A HIS 37 ? A HIS 37 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NA ? C HEM . ? A HEM 202 ? 1_555 94.0 ? 17 NE2 ? A HIS 37 ? A HIS 37 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NB ? C HEM . ? A HEM 202 ? 1_555 91.4 ? 18 NA ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NB ? C HEM . ? A HEM 202 ? 1_555 88.7 ? 19 NE2 ? A HIS 37 ? A HIS 37 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NC ? C HEM . ? A HEM 202 ? 1_555 91.4 ? 20 NA ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NC ? C HEM . ? A HEM 202 ? 1_555 174.3 ? 21 NB ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NC ? C HEM . ? A HEM 202 ? 1_555 89.3 ? 22 NE2 ? A HIS 37 ? A HIS 37 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 ND ? C HEM . ? A HEM 202 ? 1_555 94.5 ? 23 NA ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 ND ? C HEM . ? A HEM 202 ? 1_555 89.1 ? 24 NB ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 ND ? C HEM . ? A HEM 202 ? 1_555 173.9 ? 25 NC ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 ND ? C HEM . ? A HEM 202 ? 1_555 92.4 ? 26 NE2 ? A HIS 37 ? A HIS 37 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NE2 ? A HIS 95 ? A HIS 95 ? 1_555 178.9 ? 27 NA ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NE2 ? A HIS 95 ? A HIS 95 ? 1_555 86.6 ? 28 NB ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NE2 ? A HIS 95 ? A HIS 95 ? 1_555 87.7 ? 29 NC ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NE2 ? A HIS 95 ? A HIS 95 ? 1_555 87.9 ? 30 ND ? C HEM . ? A HEM 202 ? 1_555 FE ? C HEM . ? A HEM 202 ? 1_555 NE2 ? A HIS 95 ? A HIS 95 ? 1_555 86.5 ? # 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 2021-10-06 2 'Structure model' 1 1 2023-02-01 3 'Structure model' 2 0 2023-03-01 4 'Structure model' 2 1 2023-08-09 # loop_ _pdbx_audit_revision_details.ordinal _pdbx_audit_revision_details.revision_ordinal _pdbx_audit_revision_details.data_content_type _pdbx_audit_revision_details.provider _pdbx_audit_revision_details.type _pdbx_audit_revision_details.description _pdbx_audit_revision_details.details 1 1 'Structure model' repository 'Initial release' ? ? 2 3 'Structure model' author 'Coordinate replacement' 'Ligand geometry' 'Vinyl group of Heme coordinated by His 9 was rotated.' # 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' 'Data collection' 2 2 'Structure model' 'Source and taxonomy' 3 3 'Structure model' 'Atomic model' 4 3 'Structure model' 'Data collection' 5 3 'Structure model' 'Derived calculations' 6 3 'Structure model' 'Refinement description' 7 3 'Structure model' 'Structure summary' 8 4 'Structure model' 'Database references' # 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 2 'Structure model' diffrn_source 2 2 'Structure model' entity_src_gen 3 3 'Structure model' atom_site 4 3 'Structure model' pdbx_contact_author 5 3 'Structure model' pdbx_nonpoly_scheme 6 3 'Structure model' pdbx_struct_assembly 7 3 'Structure model' pdbx_struct_conn_angle 8 3 'Structure model' refine 9 3 'Structure model' refine_hist 10 3 'Structure model' refine_ls_restr 11 3 'Structure model' refine_ls_shell 12 3 'Structure model' reflns 13 3 'Structure model' reflns_shell 14 3 'Structure model' struct_conn 15 4 'Structure model' citation 16 4 'Structure model' citation_author # 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 2 'Structure model' '_diffrn_source.pdbx_synchrotron_site' 2 2 'Structure model' '_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id' 3 2 'Structure model' '_entity_src_gen.pdbx_gene_src_scientific_name' 4 2 'Structure model' '_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id' 5 2 'Structure model' '_entity_src_gen.pdbx_host_org_scientific_name' 6 3 'Structure model' '_atom_site.B_iso_or_equiv' 7 3 'Structure model' '_atom_site.Cartn_x' 8 3 'Structure model' '_atom_site.Cartn_y' 9 3 'Structure model' '_atom_site.Cartn_z' 10 3 'Structure model' '_pdbx_nonpoly_scheme.auth_seq_num' 11 3 'Structure model' '_pdbx_struct_assembly.details' 12 3 'Structure model' '_pdbx_struct_assembly.method_details' 13 3 'Structure model' '_pdbx_struct_conn_angle.value' 14 3 'Structure model' '_refine.B_iso_max' 15 3 'Structure model' '_refine.B_iso_min' 16 3 'Structure model' '_refine.details' 17 3 'Structure model' '_refine.ls_R_factor_R_free' 18 3 'Structure model' '_refine.ls_R_factor_R_work' 19 3 'Structure model' '_refine.ls_R_factor_obs' 20 3 'Structure model' '_refine.ls_percent_reflns_obs' 21 3 'Structure model' '_refine_hist.cycle_id' 22 3 'Structure model' '_refine_hist.pdbx_B_iso_mean_ligand' 23 3 'Structure model' '_refine_hist.pdbx_B_iso_mean_solvent' 24 3 'Structure model' '_refine_hist.pdbx_number_residues_total' 25 3 'Structure model' '_refine_ls_shell.R_factor_R_free_error' 26 3 'Structure model' '_refine_ls_shell.number_reflns_all' 27 3 'Structure model' '_reflns.pdbx_CC_half' 28 3 'Structure model' '_reflns.pdbx_Rpim_I_all' 29 3 'Structure model' '_reflns.pdbx_Rrim_I_all' 30 3 'Structure model' '_struct_conn.pdbx_dist_value' 31 4 'Structure model' '_citation.country' 32 4 'Structure model' '_citation.journal_abbrev' 33 4 'Structure model' '_citation.journal_id_ASTM' 34 4 'Structure model' '_citation.journal_id_CSD' 35 4 'Structure model' '_citation.journal_id_ISSN' 36 4 'Structure model' '_citation.journal_volume' 37 4 'Structure model' '_citation.page_first' 38 4 'Structure model' '_citation.page_last' 39 4 'Structure model' '_citation.pdbx_database_id_DOI' 40 4 'Structure model' '_citation.pdbx_database_id_PubMed' 41 4 'Structure model' '_citation.title' 42 4 'Structure model' '_citation.year' # _phasing.method MAD # loop_ _software.citation_id _software.classification _software.compiler_name _software.compiler_version _software.contact_author _software.contact_author_email _software.date _software.description _software.dependencies _software.hardware _software.language _software.location _software.mods _software.name _software.os _software.os_version _software.type _software.version _software.pdbx_ordinal ? refinement ? ? ? ? ? ? ? ? ? ? ? REFMAC ? ? ? 5.8.0258 1 ? 'data scaling' ? ? ? ? ? ? ? ? ? ? ? xia2 ? ? ? 3ii 2 ? phasing ? ? ? ? ? ? ? ? ? ? ? SHELXDE ? ? ? 2013/2 3 ? 'data extraction' ? ? ? ? ? ? ? ? ? ? ? PDB_EXTRACT ? ? ? 3.25 4 ? 'data reduction' ? ? ? ? ? ? ? ? ? ? ? xia2 ? ? ? 3ii 5 # _pdbx_entry_details.entry_id 7AH0 _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? _pdbx_entry_details.compound_details ? _pdbx_entry_details.source_details ? _pdbx_entry_details.has_ligand_of_interest Y # 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 GLY 1 ? A GLY 1 2 1 Y 1 A ASN 54 ? A ASN 54 3 1 Y 1 A GLY 55 ? A GLY 55 4 1 Y 1 A SER 56 ? A SER 56 5 1 Y 1 A VAL 57 ? A VAL 57 6 1 Y 1 A SER 58 ? A SER 58 7 1 Y 1 A PRO 59 ? A PRO 59 8 1 Y 1 A ASN 112 ? A ASN 112 # _pdbx_audit_support.funding_organization 'Biotechnology and Biological Sciences Research Council (BBSRC)' _pdbx_audit_support.country 'United Kingdom' _pdbx_audit_support.grant_number BB/M02315X/1 _pdbx_audit_support.ordinal 1 # _pdbx_entity_instance_feature.ordinal 1 _pdbx_entity_instance_feature.comp_id HEM _pdbx_entity_instance_feature.asym_id ? _pdbx_entity_instance_feature.seq_num ? _pdbx_entity_instance_feature.auth_comp_id HEM _pdbx_entity_instance_feature.auth_asym_id ? _pdbx_entity_instance_feature.auth_seq_num ? _pdbx_entity_instance_feature.feature_type 'SUBJECT OF INVESTIGATION' _pdbx_entity_instance_feature.details ? # loop_ _pdbx_entity_nonpoly.entity_id _pdbx_entity_nonpoly.name _pdbx_entity_nonpoly.comp_id 2 'PROTOPORPHYRIN IX CONTAINING FE' HEM 3 water HOH # loop_ _pdbx_struct_assembly_auth_evidence.id _pdbx_struct_assembly_auth_evidence.assembly_id _pdbx_struct_assembly_auth_evidence.experimental_support _pdbx_struct_assembly_auth_evidence.details 1 1 'mass spectrometry' ? 2 1 'gel filtration' ? #