data_6QTF # _entry.id 6QTF # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.371 _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 6QTF pdb_00006qtf 10.2210/pdb6qtf/pdb WWPDB D_1292100432 ? ? BMRB 34363 ? ? # loop_ _pdbx_database_related.db_name _pdbx_database_related.details _pdbx_database_related.db_id _pdbx_database_related.content_type PDB . 1WCO unspecified BMRB . 34360 unspecified PDB 'Solution nmr of synthetic Nisin Ring B (Lan8,11) analogue' 6QM1 unspecified BMRB 'Solution NMR of synthetic analogues of nisin and mutacin ring A and ring B - Mutacin I Ring B, major conformer' 34363 unspecified # _pdbx_database_status.status_code REL _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr REL _pdbx_database_status.entry_id 6QTF _pdbx_database_status.recvd_initial_deposition_date 2019-02-25 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site PDBE _pdbx_database_status.process_site PDBE _pdbx_database_status.status_code_cs REL _pdbx_database_status.methods_development_category ? _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_nmr_data REL # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Dickman, R.' 1 0000-0003-3139-5423 'Mitchell, S.A.' 2 ? 'Figueiredo, A.' 3 0000-0001-7039-5341 'Hansen, D.F.' 4 0000-0003-0891-220X 'Tabor, A.B.' 5 0000-0001-8216-0347 # loop_ _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 _citation.database_id_Medline _citation.details _citation.id _citation.journal_abbrev _citation.journal_id_ASTM _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_full _citation.journal_issue _citation.journal_volume _citation.language _citation.page_first _citation.page_last _citation.title _citation.year _citation.database_id_CSD _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.unpublished_flag ? ? ? ? ? ? ? US ? ? primary J.Org.Chem. JOCEAH 0035 0022-3263 ? ? 84 ? 11493 11512 ;Molecular Recognition of Lipid II by Lantibiotics: Synthesis and Conformational Studies of Analogues of Nisin and Mutacin Rings A and B. ; 2019 ? 10.1021/acs.joc.9b01253 31464129 ? ? ? ? ? ? ? ? ? ? ? 1 'To Be Published' ? 0353 ? ? ? ? ? ? ? ;A chemical biology approach to understanding molecular recognition of lipid II by nisin: Solid-phase synthesis and NMR ensemble analysis of nisin(1-12) and a synthetic analogue. ; ? ? ? ? ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Dickman, R.' 1 ? primary 'Mitchell, S.A.' 2 ? primary 'Figueiredo, A.M.' 3 ? primary 'Hansen, D.F.' 4 ? primary 'Tabor, A.B.' 5 ? 1 'Dickman, R.' 6 0000-0003-3139-5423 1 'Danelius, E.' 7 0000-0002-7322-9661 1 'Mitchell, S.A.' 8 ? 1 'Hansen, D.F.' 9 0000-0003-0891-220X 1 'Erdelyi, M.' 10 0000-0003-0359-5970 1 'Tabor, A.B.' 11 0000-0001-8216-0347 # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description DCY-LEU-GLY-ALA-THR _entity.formula_weight 463.549 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.details ? # _entity_poly.entity_id 1 _entity_poly.type 'polypeptide(L)' _entity_poly.nstd_linkage no _entity_poly.nstd_monomer yes _entity_poly.pdbx_seq_one_letter_code '(DCY)LGAT' _entity_poly.pdbx_seq_one_letter_code_can CLGAT _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 DCY n 1 2 LEU n 1 3 GLY n 1 4 ALA n 1 5 THR n # _pdbx_entity_src_syn.entity_id 1 _pdbx_entity_src_syn.pdbx_src_id 1 _pdbx_entity_src_syn.pdbx_alt_source_flag sample _pdbx_entity_src_syn.pdbx_beg_seq_num 1 _pdbx_entity_src_syn.pdbx_end_seq_num 5 _pdbx_entity_src_syn.organism_scientific 'Lactococcus lactis' _pdbx_entity_src_syn.organism_common_name ? _pdbx_entity_src_syn.ncbi_taxonomy_id 1358 _pdbx_entity_src_syn.details ? # _struct_ref.id 1 _struct_ref.db_name PDB _struct_ref.db_code 6QTF _struct_ref.pdbx_db_accession 6QTF _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 6QTF _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 5 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 6QTF _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 5 _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 5 # 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 DCY 'D-peptide linking' . D-CYSTEINE ? 'C3 H7 N O2 S' 121.158 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 THR 'L-peptide linking' y THREONINE ? 'C4 H9 N O3' 119.119 # loop_ _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.type _pdbx_nmr_exptl.spectrometer_id _pdbx_nmr_exptl.sample_state 1 1 1 '2D 1H-1H COSY' 1 isotropic 2 1 1 '2D 1H-1H NOESY' 1 isotropic 3 1 1 '2D 1H-13C HSQC' 1 isotropic 4 1 1 '2D 1H-13C HMBC' 1 isotropic # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.temperature 298 _pdbx_nmr_exptl_sample_conditions.pressure_units atm _pdbx_nmr_exptl_sample_conditions.pressure 1 _pdbx_nmr_exptl_sample_conditions.pH 5.0 _pdbx_nmr_exptl_sample_conditions.ionic_strength 'TFA salt' _pdbx_nmr_exptl_sample_conditions.details ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_err ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_units 'Not defined' _pdbx_nmr_exptl_sample_conditions.label DMSO_rt _pdbx_nmr_exptl_sample_conditions.pH_err ? _pdbx_nmr_exptl_sample_conditions.pH_units pH _pdbx_nmr_exptl_sample_conditions.pressure_err ? _pdbx_nmr_exptl_sample_conditions.temperature_err ? _pdbx_nmr_exptl_sample_conditions.temperature_units K # _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.contents '13.0 mg/mL Mutacin I ring B, DMSO' _pdbx_nmr_sample_details.solvent_system DMSO _pdbx_nmr_sample_details.label sample_1 _pdbx_nmr_sample_details.type 'lyophilized powder' _pdbx_nmr_sample_details.details 'HPLC purified peptide (TFA salt) was dissolved directly in DMSO' # _pdbx_nmr_spectrometer.spectrometer_id 1 _pdbx_nmr_spectrometer.model AVANCE _pdbx_nmr_spectrometer.type ? _pdbx_nmr_spectrometer.manufacturer Bruker _pdbx_nmr_spectrometer.field_strength 600 _pdbx_nmr_spectrometer.details ? # _pdbx_nmr_refine.entry_id 6QTF _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 3 # _pdbx_nmr_ensemble.entry_id 6QTF _pdbx_nmr_ensemble.conformers_calculated_total_number 100 _pdbx_nmr_ensemble.conformers_submitted_total_number 15 _pdbx_nmr_ensemble.conformer_selection_criteria 'structures with the lowest energy' _pdbx_nmr_ensemble.representative_conformer ? _pdbx_nmr_ensemble.average_constraints_per_residue ? _pdbx_nmr_ensemble.average_constraint_violations_per_residue ? _pdbx_nmr_ensemble.maximum_distance_constraint_violation ? _pdbx_nmr_ensemble.average_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation ? _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.average_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.torsion_angle_constraint_violation_method ? # _pdbx_nmr_representative.entry_id 6QTF _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'closest to the average' # loop_ _pdbx_nmr_software.ordinal _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors 1 'structure calculation' Xplor-NIH ? 'Schwieters, Kuszewski, Tjandra and Clore' 2 'chemical shift assignment' 'CcpNmr Analysis' ? CCPN 3 refinement Xplor-NIH ? 'Schwieters, Kuszewski, Tjandra and Clore' 4 'peak picking' 'CcpNmr Analysis' ? CCPN # _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 6QTF _exptl.crystals_number ? _exptl.details ? _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 6QTF _struct.title 'Solution NMR of synthetic analogues of nisin and mutacin ring A and ring B - Mutacin I Ring B, major conformer' _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 6QTF _struct_keywords.text 'PEPTIDE ANTIBIOTIC, LANTIBIOTIC, ANTIMICROBIAL, BACTERIOCIN, THIOESTER, ANTIBIOTIC' _struct_keywords.pdbx_keywords ANTIBIOTIC # _struct_asym.id A _struct_asym.pdbx_blank_PDB_chainid_flag N _struct_asym.pdbx_modified N _struct_asym.entity_id 1 _struct_asym.details ? # 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 both ? A DCY 1 C ? ? ? 1_555 A LEU 2 N ? ? A DCY 1 A LEU 2 1_555 ? ? ? ? ? ? ? 1.330 ? ? covale2 covale none ? A DCY 1 SG ? ? ? 1_555 A ALA 4 CB ? ? A DCY 1 A ALA 4 1_555 ? ? ? ? ? ? ? 1.819 ? ? # _struct_conn_type.id covale _struct_conn_type.criteria ? _struct_conn_type.reference ? # _atom_sites.entry_id 6QTF _atom_sites.fract_transf_matrix[1][1] 1.000000 _atom_sites.fract_transf_matrix[1][2] 0.000000 _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] 1.000000 _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] 1.000000 _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 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 DCY 1 1 1 DCY DAL A . n A 1 2 LEU 2 2 2 LEU LEU A . n A 1 3 GLY 3 3 3 GLY GLY A . n A 1 4 ALA 4 4 4 ALA CYS A . n A 1 5 THR 5 5 5 THR THR A . n # _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 # 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)' 0 ? 1 MORE 0 ? 1 'SSA (A^2)' 600 ? # _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 ? _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 2019-09-11 2 'Structure model' 1 1 2019-10-02 3 'Structure model' 1 2 2023-06-14 # _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' 'Data collection' 2 2 'Structure model' 'Database references' 3 3 'Structure model' 'Database references' 4 3 'Structure model' Other # 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' citation 2 2 'Structure model' citation_author 3 3 'Structure model' database_2 4 3 'Structure model' pdbx_database_status # 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' '_citation.journal_volume' 2 2 'Structure model' '_citation.page_first' 3 2 'Structure model' '_citation.page_last' 4 2 'Structure model' '_citation_author.identifier_ORCID' 5 3 'Structure model' '_database_2.pdbx_DOI' 6 3 'Structure model' '_database_2.pdbx_database_accession' 7 3 'Structure model' '_pdbx_database_status.status_code_nmr_data' # _pdbx_nmr_exptl_sample.solution_id 1 _pdbx_nmr_exptl_sample.component 'Mutacin I ring B' _pdbx_nmr_exptl_sample.concentration 13.0 _pdbx_nmr_exptl_sample.concentration_range ? _pdbx_nmr_exptl_sample.concentration_units mg/mL _pdbx_nmr_exptl_sample.isotopic_labeling 'natural abundance' # loop_ _pdbx_validate_close_contact.id _pdbx_validate_close_contact.PDB_model_num _pdbx_validate_close_contact.auth_atom_id_1 _pdbx_validate_close_contact.auth_asym_id_1 _pdbx_validate_close_contact.auth_comp_id_1 _pdbx_validate_close_contact.auth_seq_id_1 _pdbx_validate_close_contact.PDB_ins_code_1 _pdbx_validate_close_contact.label_alt_id_1 _pdbx_validate_close_contact.auth_atom_id_2 _pdbx_validate_close_contact.auth_asym_id_2 _pdbx_validate_close_contact.auth_comp_id_2 _pdbx_validate_close_contact.auth_seq_id_2 _pdbx_validate_close_contact.PDB_ins_code_2 _pdbx_validate_close_contact.label_alt_id_2 _pdbx_validate_close_contact.dist 1 1 O A DCY 1 ? ? H A GLY 3 ? ? 1.54 2 2 O A DCY 1 ? ? H A GLY 3 ? ? 1.54 3 3 O A DCY 1 ? ? H A GLY 3 ? ? 1.51 4 4 O A DCY 1 ? ? H A GLY 3 ? ? 1.53 5 5 O A DCY 1 ? ? H A GLY 3 ? ? 1.51 6 6 O A DCY 1 ? ? H A GLY 3 ? ? 1.53 7 7 O A DCY 1 ? ? H A GLY 3 ? ? 1.55 8 8 O A DCY 1 ? ? H A GLY 3 ? ? 1.51 9 9 O A DCY 1 ? ? H A GLY 3 ? ? 1.52 10 10 O A DCY 1 ? ? H A GLY 3 ? ? 1.54 11 11 O A DCY 1 ? ? H A GLY 3 ? ? 1.54 12 12 O A DCY 1 ? ? H A GLY 3 ? ? 1.51 13 13 O A DCY 1 ? ? H A GLY 3 ? ? 1.52 14 14 O A DCY 1 ? ? H A GLY 3 ? ? 1.53 15 15 O A DCY 1 ? ? H A GLY 3 ? ? 1.54 # 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 LEU A 2 ? ? -58.49 69.12 2 2 LEU A 2 ? ? -56.96 70.08 3 3 LEU A 2 ? ? -59.16 68.50 4 4 LEU A 2 ? ? -58.04 69.44 5 5 LEU A 2 ? ? -59.05 68.36 6 6 LEU A 2 ? ? -63.78 66.10 7 7 LEU A 2 ? ? -60.65 68.62 8 8 LEU A 2 ? ? -59.36 68.09 9 9 LEU A 2 ? ? -59.18 68.49 10 10 LEU A 2 ? ? -57.49 69.94 11 11 LEU A 2 ? ? -57.55 69.71 12 12 LEU A 2 ? ? -59.52 68.07 13 13 LEU A 2 ? ? -59.94 68.39 14 14 LEU A 2 ? ? -58.43 69.11 15 15 LEU A 2 ? ? -58.84 70.39 # _pdbx_audit_support.funding_organization 'Engineering and Physical Sciences Research Council' _pdbx_audit_support.country 'United Kingdom' _pdbx_audit_support.grant_number EP/L504889/1 _pdbx_audit_support.ordinal 1 # _pdbx_struct_assembly_auth_evidence.id 1 _pdbx_struct_assembly_auth_evidence.assembly_id 1 _pdbx_struct_assembly_auth_evidence.experimental_support none _pdbx_struct_assembly_auth_evidence.details ? #