data_6QB1 # _entry.id 6QB1 # _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 6QB1 pdb_00006qb1 10.2210/pdb6qb1/pdb WWPDB D_1200013594 ? ? BMRB 34343 ? ? # _pdbx_database_related.db_name BMRB _pdbx_database_related.details 5676 _pdbx_database_related.db_id 34343 _pdbx_database_related.content_type 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 6QB1 _pdbx_database_status.recvd_initial_deposition_date 2018-12-20 _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 'Calvanese, L.' 1 ? ;D'Auria, G. ; 2 ? 'Falcigno, F.' 3 ? # _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 UK _citation.database_id_Medline ? _citation.details ? _citation.id primary _citation.journal_abbrev J.Pept.Sci. _citation.journal_id_ASTM JPSIEI _citation.journal_id_CSD 1225 _citation.journal_id_ISSN 1075-2617 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume 25 _citation.language ? _citation.page_first e3161 _citation.page_last e3161 _citation.title 'Structural insights on P31-43, a gliadin peptide able to promote an innate but not an adaptive response in celiac disease.' _citation.year 2019 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1002/psc.3161 _citation.pdbx_database_id_PubMed 30912242 _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Calvanese, L.' 1 ? primary 'Nanayakkara, M.' 2 ? primary 'Aitoro, R.' 3 ? primary 'Sanseverino, M.' 4 ? primary 'Tornesello, A.L.' 5 0000-0003-0972-5668 primary 'Falcigno, L.' 6 ? primary ;D'Auria, G. ; 7 0000-0002-1340-8545 primary 'Barone, M.V.' 8 ? # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description LEU-GLY-GLN-GLN-GLN-PRO-ALA-PRO-PRO-GLN-GLN-PRO-TYR _entity.formula_weight 1451.580 _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 no _entity_poly.pdbx_seq_one_letter_code LGQQQPAPPQQPY _entity_poly.pdbx_seq_one_letter_code_can LGQQQPAPPQQPY _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 LEU n 1 2 GLY n 1 3 GLN n 1 4 GLN n 1 5 GLN n 1 6 PRO n 1 7 ALA n 1 8 PRO n 1 9 PRO n 1 10 GLN n 1 11 GLN n 1 12 PRO n 1 13 TYR 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 13 _pdbx_entity_src_syn.organism_scientific 'Homo sapiens' _pdbx_entity_src_syn.organism_common_name ? _pdbx_entity_src_syn.ncbi_taxonomy_id 9606 _pdbx_entity_src_syn.details ? # _struct_ref.id 1 _struct_ref.db_name PDB _struct_ref.db_code 6QB1 _struct_ref.pdbx_db_accession 6QB1 _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 6QB1 _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 13 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 6QB1 _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 13 _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 13 # 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 GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 TYR 'L-peptide linking' y TYROSINE ? 'C9 H11 N O3' 181.189 # 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 TOCSY' 1 anisotropic 2 1 1 '2D 1H-1H NOESY' 1 anisotropic 3 1 1 '2D 1H-1H ROESY' 1 anisotropic # _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 4 _pdbx_nmr_exptl_sample_conditions.ionic_strength NULL _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 5676 _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 '1.4 mM 1H 5676, 90% H2O/10% D2O' _pdbx_nmr_sample_details.solvent_system '90% H2O/10% D2O' _pdbx_nmr_sample_details.label 5676 _pdbx_nmr_sample_details.type solution _pdbx_nmr_sample_details.details ? # _pdbx_nmr_spectrometer.spectrometer_id 1 _pdbx_nmr_spectrometer.model INOVA _pdbx_nmr_spectrometer.type ? _pdbx_nmr_spectrometer.manufacturer Varian _pdbx_nmr_spectrometer.field_strength 600 _pdbx_nmr_spectrometer.details ? # _pdbx_nmr_refine.entry_id 6QB1 _pdbx_nmr_refine.method 'distance geometry' _pdbx_nmr_refine.details 62-NOE _pdbx_nmr_refine.software_ordinal 4 # _pdbx_nmr_ensemble.entry_id 6QB1 _pdbx_nmr_ensemble.conformers_calculated_total_number 100 _pdbx_nmr_ensemble.conformers_submitted_total_number 40 _pdbx_nmr_ensemble.conformer_selection_criteria 'target function' _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 6QB1 _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 'chemical shift assignment' CARA ? 'Keller and Wuthrich' 2 'data analysis' CARA ? 'Keller and Wuthrich' 3 'peak picking' CARA ? 'Keller and Wuthrich' 4 'structure calculation' CYANA ? 'Guntert, Mumenthaler and Wuthrich' # _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 6QB1 _exptl.crystals_number ? _exptl.details ? _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 6QB1 _struct.title 5676 _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 6QB1 _struct_keywords.text 'STRUCTURE FROM CYANA 2.1, IMMUNE SYSTEM' _struct_keywords.pdbx_keywords 'IMMUNE SYSTEM' # _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 ? # _atom_sites.entry_id 6QB1 _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 # 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 LEU 1 1 1 LEU LEU A . n A 1 2 GLY 2 2 2 GLY GLY A . n A 1 3 GLN 3 3 3 GLN GLN A . n A 1 4 GLN 4 4 4 GLN GLN A . n A 1 5 GLN 5 5 5 GLN GLN A . n A 1 6 PRO 6 6 6 PRO PRO A . n A 1 7 ALA 7 7 7 ALA ALA A . n A 1 8 PRO 8 8 8 PRO PRO A . n A 1 9 PRO 9 9 9 PRO PRO A . n A 1 10 GLN 10 10 10 GLN GLN A . n A 1 11 GLN 11 11 11 GLN GLN A . n A 1 12 PRO 12 12 12 PRO PRO A . n A 1 13 TYR 13 13 13 TYR TYR 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)' 1910 ? # _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 2019-02-27 2 'Structure model' 1 1 2019-04-03 3 'Structure model' 1 2 2019-05-01 4 'Structure model' 1 3 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' 'Data collection' 4 3 'Structure model' 'Database references' 5 4 'Structure model' 'Database references' 6 4 '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 2 'Structure model' pdbx_database_proc 4 3 'Structure model' citation 5 3 'Structure model' pdbx_database_proc 6 4 'Structure model' database_2 7 4 '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.page_first' 2 2 'Structure model' '_citation.page_last' 3 2 'Structure model' '_citation.pdbx_database_id_PubMed' 4 2 'Structure model' '_citation.title' 5 3 'Structure model' '_citation.journal_volume' 6 4 'Structure model' '_database_2.pdbx_DOI' 7 4 'Structure model' '_database_2.pdbx_database_accession' 8 4 'Structure model' '_pdbx_database_status.status_code_nmr_data' # _pdbx_nmr_exptl_sample.solution_id 1 _pdbx_nmr_exptl_sample.component 5676 _pdbx_nmr_exptl_sample.concentration 1.4 _pdbx_nmr_exptl_sample.concentration_range ? _pdbx_nmr_exptl_sample.concentration_units mM _pdbx_nmr_exptl_sample.isotopic_labeling 1H # 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 PRO A 6 ? ? -69.81 84.19 2 2 PRO A 12 ? ? -69.78 87.32 3 3 GLN A 3 ? ? -160.25 90.17 4 3 GLN A 5 ? ? -157.38 73.38 5 3 ALA A 7 ? ? -173.70 71.22 6 3 GLN A 11 ? ? -164.97 71.47 7 3 PRO A 12 ? ? -69.79 88.17 8 4 GLN A 4 ? ? -157.87 80.00 9 4 PRO A 6 ? ? -69.74 -175.90 10 4 PRO A 9 ? ? -69.71 -176.98 11 4 GLN A 11 ? ? 60.22 69.74 12 4 PRO A 12 ? ? -69.72 -179.28 13 5 PRO A 9 ? ? -69.79 88.69 14 6 GLN A 3 ? ? -102.54 54.98 15 6 PRO A 6 ? ? -69.83 87.19 16 6 ALA A 7 ? ? -150.19 71.75 17 6 PRO A 9 ? ? -69.79 79.53 18 6 PRO A 12 ? ? -69.72 -174.94 19 7 GLN A 4 ? ? -167.06 47.48 20 8 GLN A 3 ? ? -159.30 85.93 21 8 GLN A 4 ? ? 56.67 88.96 22 8 ALA A 7 ? ? 53.73 72.82 23 8 PRO A 12 ? ? -69.76 -172.80 24 9 GLN A 3 ? ? -101.37 60.71 25 9 GLN A 5 ? ? 54.34 73.10 26 9 ALA A 7 ? ? -164.42 68.29 27 10 GLN A 3 ? ? -148.01 47.08 28 10 GLN A 4 ? ? -149.10 28.03 29 10 GLN A 5 ? ? -153.05 70.38 30 10 ALA A 7 ? ? 59.25 72.04 31 11 GLN A 11 ? ? 54.67 73.04 32 11 PRO A 12 ? ? -69.76 88.51 33 12 PRO A 6 ? ? -69.78 86.23 34 12 ALA A 7 ? ? -157.82 73.34 35 13 GLN A 5 ? ? 61.26 69.86 36 13 PRO A 6 ? ? -69.80 -177.03 37 13 ALA A 7 ? ? 63.65 160.42 38 13 PRO A 12 ? ? -69.78 83.94 39 14 GLN A 3 ? ? -166.35 45.10 40 14 GLN A 5 ? ? 61.21 70.80 41 14 PRO A 6 ? ? -69.77 89.05 42 14 GLN A 11 ? ? 58.62 72.16 43 14 PRO A 12 ? ? -69.77 93.82 44 15 GLN A 3 ? ? -152.06 31.83 45 16 GLN A 3 ? ? -151.68 28.94 46 16 ALA A 7 ? ? 52.46 73.68 47 16 PRO A 12 ? ? -69.82 91.17 48 17 PRO A 9 ? ? -69.77 91.51 49 18 PRO A 12 ? ? -69.78 -175.34 50 19 GLN A 3 ? ? 56.50 87.54 51 19 PRO A 6 ? ? -69.70 90.42 52 19 PRO A 12 ? ? -69.76 -177.08 53 20 GLN A 11 ? ? -179.26 73.50 54 21 GLN A 4 ? ? -153.58 88.25 55 21 ALA A 7 ? ? 63.73 160.40 56 21 GLN A 11 ? ? 53.14 70.78 57 21 PRO A 12 ? ? -69.72 -179.09 58 23 GLN A 3 ? ? 59.89 86.96 59 25 GLN A 4 ? ? -162.69 101.34 60 25 PRO A 6 ? ? -69.79 88.92 61 25 GLN A 11 ? ? -156.80 73.27 62 26 GLN A 4 ? ? -91.85 51.98 63 26 GLN A 5 ? ? 51.97 70.59 64 26 PRO A 6 ? ? -69.77 92.52 65 26 GLN A 11 ? ? 63.30 160.62 66 29 PRO A 12 ? ? -69.70 -176.35 67 30 GLN A 3 ? ? -112.55 56.53 68 30 PRO A 6 ? ? -69.72 97.78 69 30 PRO A 12 ? ? -69.75 -177.36 70 31 GLN A 3 ? ? -145.16 43.35 71 32 GLN A 5 ? ? -165.20 70.05 72 32 PRO A 6 ? ? -69.73 -175.60 73 32 GLN A 11 ? ? -165.87 68.64 74 32 PRO A 12 ? ? -69.81 -177.63 75 33 GLN A 3 ? ? -110.90 54.92 76 33 GLN A 4 ? ? 54.83 84.55 77 33 ALA A 7 ? ? -167.38 73.25 78 34 PRO A 6 ? ? -69.77 85.62 79 34 PRO A 12 ? ? -69.81 -179.01 80 35 GLN A 3 ? ? -149.74 58.14 81 35 GLN A 5 ? ? 62.79 160.42 82 36 GLN A 4 ? ? -173.37 55.44 83 36 GLN A 11 ? ? -161.91 73.30 84 37 GLN A 3 ? ? -100.59 52.81 85 38 GLN A 3 ? ? -140.63 46.51 86 38 PRO A 12 ? ? -69.67 -178.63 87 39 GLN A 3 ? ? -107.34 74.02 88 39 GLN A 4 ? ? 58.65 70.94 89 39 GLN A 5 ? ? 62.77 160.46 90 39 ALA A 7 ? ? 63.64 160.45 91 39 PRO A 12 ? ? -69.82 -178.23 92 40 GLN A 3 ? ? 62.72 98.44 93 40 PRO A 9 ? ? -69.76 90.66 94 40 GLN A 11 ? ? -112.08 78.05 95 40 PRO A 12 ? ? -69.78 88.34 # _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 ? #