data_7N26 # _entry.id 7N26 # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.352 _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 7N26 pdb_00007n26 10.2210/pdb7n26/pdb WWPDB D_1000257151 ? ? BMRB 30922 ? ? # _pdbx_database_related.db_name BMRB _pdbx_database_related.details 'NMR structure of EpI-[Y(SO3)15Y]-NH2' _pdbx_database_related.db_id 30922 _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 7N26 _pdbx_database_status.recvd_initial_deposition_date 2021-05-28 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site RCSB _pdbx_database_status.process_site RCSB _pdbx_database_status.status_code_cs REL _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 'Conibear, A.C.' 1 ? 'Rosengren, K.J.' 2 ? 'Lee, H.S.' 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 'Rsc Med Chem' _citation.journal_id_ASTM ? _citation.journal_id_CSD ? _citation.journal_id_ISSN 2632-8682 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume 12 _citation.language ? _citation.page_first 1574 _citation.page_last 1584 _citation.title ;Posttranslational modifications of alpha-conotoxins: sulfotyrosine and C-terminal amidation stabilise structures and increase acetylcholine receptor binding. ; _citation.year 2021 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1039/d1md00182e _citation.pdbx_database_id_PubMed 34671739 _citation.pdbx_database_id_patent ? _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Ho, T.N.T.' 1 0000-0002-9969-1846 primary 'Lee, H.S.' 2 0000-0001-6058-6689 primary 'Swaminathan, S.' 3 ? primary 'Goodwin, L.' 4 0000-0002-6930-4649 primary 'Rai, N.' 5 ? primary 'Ushay, B.' 6 ? primary 'Lewis, R.J.' 7 0000-0003-3470-923X primary 'Rosengren, K.J.' 8 0000-0002-5007-8434 primary 'Conibear, A.C.' 9 0000-0002-5482-6225 # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description 'Alpha-conotoxin EpI' _entity.formula_weight 1791.001 _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 'GCCSDPRCNMNNPDYC(NH2)' _entity_poly.pdbx_seq_one_letter_code_can GCCSDPRCNMNNPDYCX _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 CYS n 1 3 CYS n 1 4 SER n 1 5 ASP n 1 6 PRO n 1 7 ARG n 1 8 CYS n 1 9 ASN n 1 10 MET n 1 11 ASN n 1 12 ASN n 1 13 PRO n 1 14 ASP n 1 15 TYR n 1 16 CYS n 1 17 NH2 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 17 _pdbx_entity_src_syn.organism_scientific 'Conus episcopatus' _pdbx_entity_src_syn.organism_common_name ;Bishop's cone ; _pdbx_entity_src_syn.ncbi_taxonomy_id 88764 _pdbx_entity_src_syn.details 'solid phase peptide synthesis' # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code CA1A_CONEP _struct_ref.pdbx_db_accession P56638 _struct_ref.pdbx_db_isoform ? _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code GCCSDPRCNMNNPDYC _struct_ref.pdbx_align_begin 40 # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 7N26 _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 16 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession P56638 _struct_ref_seq.db_align_beg 40 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 55 _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 16 # _struct_ref_seq_dif.align_id 1 _struct_ref_seq_dif.pdbx_pdb_id_code 7N26 _struct_ref_seq_dif.mon_id NH2 _struct_ref_seq_dif.pdbx_pdb_strand_id A _struct_ref_seq_dif.seq_num 17 _struct_ref_seq_dif.pdbx_pdb_ins_code ? _struct_ref_seq_dif.pdbx_seq_db_name UNP _struct_ref_seq_dif.pdbx_seq_db_accession_code P56638 _struct_ref_seq_dif.db_mon_id ? _struct_ref_seq_dif.pdbx_seq_db_seq_num ? _struct_ref_seq_dif.details amidation _struct_ref_seq_dif.pdbx_auth_seq_num 17 _struct_ref_seq_dif.pdbx_ordinal 1 # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight 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 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 NH2 non-polymer . 'AMINO GROUP' ? 'H2 N' 16.023 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 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 '1H-1H TOCSY' 1 isotropic 2 1 1 '1H-1H NOESY' 1 isotropic 3 1 1 '1H-15N HSQC' 1 isotropic 4 1 1 '1H-13C HSQC' 1 isotropic # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.temperature 298 _pdbx_nmr_exptl_sample_conditions.pressure_units ? _pdbx_nmr_exptl_sample_conditions.pressure ambient _pdbx_nmr_exptl_sample_conditions.pH 6.0 _pdbx_nmr_exptl_sample_conditions.ionic_strength 5 _pdbx_nmr_exptl_sample_conditions.details ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_err ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_units mM _pdbx_nmr_exptl_sample_conditions.label aqueous _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 '1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS, 90% H2O/10% D2O' _pdbx_nmr_sample_details.solvent_system '90% H2O/10% D2O' _pdbx_nmr_sample_details.label CX0003 _pdbx_nmr_sample_details.type solution _pdbx_nmr_sample_details.details '90% H2O, 10% D2O, 10 uM 2,2-dimethyl-2-silapentane-5-sulfonate sodium salt (DSS), pH 6.0' # _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 700 _pdbx_nmr_spectrometer.details ? # loop_ _pdbx_nmr_refine.entry_id _pdbx_nmr_refine.method _pdbx_nmr_refine.details _pdbx_nmr_refine.software_ordinal 7N26 'simulated annealing' ;torsion angle simulated annealing, ensemble contains 20 structures with the best MolProbity scores, minimum energies and no violations ; 2 7N26 na 'minimised in a water shell' 1 # _pdbx_nmr_ensemble.entry_id 7N26 _pdbx_nmr_ensemble.conformers_calculated_total_number 50 _pdbx_nmr_ensemble.conformers_submitted_total_number 20 _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 7N26 _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'lowest energy' # loop_ _pdbx_nmr_software.ordinal _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors 1 refinement CNS ? 'Brunger A. T. et.al.' 2 'structure calculation' CYANA 3.98.13 'Guntert, Mumenthaler and Wuthrich' 3 'chemical shift assignment' 'CcpNmr Analysis' v3 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 7N26 _exptl.crystals_number ? _exptl.details ? _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 7N26 _struct.title 'NMR structure of EpI-[Y(SO3)15Y]-NH2' _struct.pdbx_model_details 'EpI, tyrosine not sulfated, C-terminal amide' _struct.pdbx_formula_weight ? _struct.pdbx_formula_weight_method ? _struct.pdbx_model_type_details ? _struct.pdbx_CASP_flag N # _struct_keywords.entry_id 7N26 _struct_keywords.text 'alpha-conotoxin, CC-C-C framework, alpha4/7 pattern, TOXIN' _struct_keywords.pdbx_keywords TOXIN # _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_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 GLY A 1 ? SER A 4 ? GLY A 1 SER A 4 5 ? 4 HELX_P HELX_P2 AA2 ASP A 5 ? ASN A 12 ? ASP A 5 ASN A 12 1 ? 8 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order _struct_conn.pdbx_role disulf1 disulf ? ? A CYS 2 SG ? ? ? 1_555 A CYS 8 SG ? ? A CYS 2 A CYS 8 1_555 ? ? ? ? ? ? ? 2.032 ? ? disulf2 disulf ? ? A CYS 3 SG ? ? ? 1_555 A CYS 16 SG ? ? A CYS 3 A CYS 16 1_555 ? ? ? ? ? ? ? 2.024 ? ? covale1 covale both ? A CYS 16 C ? ? ? 1_555 A NH2 17 N ? ? A CYS 16 A NH2 17 1_555 ? ? ? ? ? ? ? 1.309 ? ? # loop_ _struct_conn_type.id _struct_conn_type.criteria _struct_conn_type.reference disulf ? ? covale ? ? # _atom_sites.entry_id 7N26 _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] 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 _atom_sites.solution_primary ? _atom_sites.solution_secondary ? _atom_sites.solution_hydrogens ? _atom_sites.special_details ? # 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 GLY 1 1 1 GLY GLY A . n A 1 2 CYS 2 2 2 CYS CYS A . n A 1 3 CYS 3 3 3 CYS CYS A . n A 1 4 SER 4 4 4 SER SER A . n A 1 5 ASP 5 5 5 ASP ASP A . n A 1 6 PRO 6 6 6 PRO PRO A . n A 1 7 ARG 7 7 7 ARG ARG A . n A 1 8 CYS 8 8 8 CYS CYS A . n A 1 9 ASN 9 9 9 ASN ASN A . n A 1 10 MET 10 10 10 MET MET A . n A 1 11 ASN 11 11 11 ASN ASN A . n A 1 12 ASN 12 12 12 ASN ASN A . n A 1 13 PRO 13 13 13 PRO PRO A . n A 1 14 ASP 14 14 14 ASP ASP A . n A 1 15 TYR 15 15 15 TYR TYR A . n A 1 16 CYS 16 16 16 CYS CYS A . n A 1 17 NH2 17 17 17 NH2 NH2 A . n # _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 # 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)' 110 ? 1 MORE 1 ? 1 'SSA (A^2)' 1540 ? # _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 # _pdbx_audit_revision_history.ordinal 1 _pdbx_audit_revision_history.data_content_type 'Structure model' _pdbx_audit_revision_history.major_revision 1 _pdbx_audit_revision_history.minor_revision 0 _pdbx_audit_revision_history.revision_date 2021-11-17 # _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 ? # _pdbx_entry_details.entry_id 7N26 _pdbx_entry_details.has_ligand_of_interest Y _pdbx_entry_details.compound_details ? _pdbx_entry_details.source_details ? _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? # loop_ _pdbx_nmr_exptl_sample.solution_id _pdbx_nmr_exptl_sample.component _pdbx_nmr_exptl_sample.concentration _pdbx_nmr_exptl_sample.concentration_range _pdbx_nmr_exptl_sample.concentration_units _pdbx_nmr_exptl_sample.isotopic_labeling 1 'Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2' 1.0 ? mg/mL 'natural abundance' 1 DSS 10 ? uM 'natural abundance' # loop_ _pdbx_audit_support.funding_organization _pdbx_audit_support.country _pdbx_audit_support.grant_number _pdbx_audit_support.ordinal 'The University Grants Committee, Research Grants Council (RGC)' Australia 616535 1 'The University Grants Committee, Research Grants Council (RGC)' Australia 613982 2 # _pdbx_entity_instance_feature.ordinal 1 _pdbx_entity_instance_feature.comp_id NH2 _pdbx_entity_instance_feature.asym_id ? _pdbx_entity_instance_feature.seq_num ? _pdbx_entity_instance_feature.auth_comp_id NH2 _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 ? # _pdbx_struct_assembly_auth_evidence.id 1 _pdbx_struct_assembly_auth_evidence.assembly_id 1 _pdbx_struct_assembly_auth_evidence.experimental_support 'mass spectrometry' _pdbx_struct_assembly_auth_evidence.details ? #