data_2M1A # _entry.id 2M1A # _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 2M1A pdb_00002m1a 10.2210/pdb2m1a/pdb RCSB RCSB103082 ? ? BMRB 18852 ? ? WWPDB D_1000103082 ? ? # loop_ _pdbx_database_related.content_type _pdbx_database_related.db_id _pdbx_database_related.db_name _pdbx_database_related.details unspecified 1RPV PDB . unspecified 1ETG PDB . unspecified 18852 BMRB . # _pdbx_database_status.deposit_site BMRB _pdbx_database_status.entry_id 2M1A _pdbx_database_status.process_site RCSB _pdbx_database_status.recvd_initial_deposition_date 2012-11-21 _pdbx_database_status.SG_entry ? _pdbx_database_status.status_code REL _pdbx_database_status.status_code_mr REL _pdbx_database_status.status_code_sf ? _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 'Casu, F.' 1 'Duggan, B.M.' 2 'Hennig, M.' 3 # _citation.id primary _citation.title 'The Arginine-Rich RNA-Binding Motif of HIV-1 Rev Is Intrinsically Disordered and Folds upon RRE Binding.' _citation.journal_abbrev Biophys.J. _citation.journal_volume 105 _citation.page_first 1004 _citation.page_last 1017 _citation.year 2013 _citation.journal_id_ASTM BIOJAU _citation.country US _citation.journal_id_ISSN 0006-3495 _citation.journal_id_CSD 0030 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 23972852 _citation.pdbx_database_id_DOI 10.1016/j.bpj.2013.07.022 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Casu, F.' 1 ? primary 'Duggan, B.M.' 2 ? primary 'Hennig, M.' 3 ? # _entity.id 1 _entity.type polymer _entity.src_method man _entity.pdbx_description 'HIV-1 Rev arginine-rich motif (ARM)' _entity.formula_weight 3219.727 _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 GAMATRQARRNRRRRWRERQRAAAAR _entity_poly.pdbx_seq_one_letter_code_can GAMATRQARRNRRRRWRERQRAAAAR _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 ALA n 1 3 MET n 1 4 ALA n 1 5 THR n 1 6 ARG n 1 7 GLN n 1 8 ALA n 1 9 ARG n 1 10 ARG n 1 11 ASN n 1 12 ARG n 1 13 ARG n 1 14 ARG n 1 15 ARG n 1 16 TRP n 1 17 ARG n 1 18 GLU n 1 19 ARG n 1 20 GLN n 1 21 ARG n 1 22 ALA n 1 23 ALA n 1 24 ALA n 1 25 ALA n 1 26 ARG n # _entity_src_gen.entity_id 1 _entity_src_gen.pdbx_src_id 1 _entity_src_gen.pdbx_alt_source_flag sample _entity_src_gen.pdbx_seq_type ? _entity_src_gen.pdbx_beg_seq_num ? _entity_src_gen.pdbx_end_seq_num ? _entity_src_gen.gene_src_common_name ? _entity_src_gen.gene_src_genus ? _entity_src_gen.pdbx_gene_src_gene ? _entity_src_gen.gene_src_species ? _entity_src_gen.gene_src_strain ? _entity_src_gen.gene_src_tissue ? _entity_src_gen.gene_src_tissue_fraction ? _entity_src_gen.gene_src_details ? _entity_src_gen.pdbx_gene_src_fragment ? _entity_src_gen.pdbx_gene_src_scientific_name 'Human immunodeficiency virus 1' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 11676 _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' _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id 562 _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 BL21 _entity_src_gen.pdbx_host_org_variant DE3 _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 'p(H)GB1-derived vector' _entity_src_gen.host_org_details ? _entity_src_gen.expression_system_id ? _entity_src_gen.plasmid_name ? _entity_src_gen.plasmid_details ? _entity_src_gen.pdbx_description 'Expression controlled with the T7 lac promoter' # _struct_ref.id 1 _struct_ref.db_name PDB _struct_ref.db_code 2M1A _struct_ref.pdbx_db_accession 2M1A _struct_ref.entity_id 1 _struct_ref.pdbx_align_begin ? _struct_ref.pdbx_seq_one_letter_code ? _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 2M1A _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 26 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 2M1A _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 26 _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 26 # 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 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 THR 'L-peptide linking' y THREONINE ? 'C4 H9 N O3' 119.119 TRP 'L-peptide linking' y TRYPTOPHAN ? 'C11 H12 N2 O2' 204.225 # loop_ _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.type 1 1 1 '2D 1H-15N HSQC' 1 2 1 '2D 1H-15N HSQC NH2 only' 1 3 2 '2D 1H-13C HSQC' 1 4 2 '3D HNCO' 1 5 2 '3D HNCA' 1 6 2 '3D HN(CO)CA' 1 7 2 '3D CBCA(CO)NH' 1 8 2 '3D HNCACB' 1 9 2 '3D HBHA(CO)NH' 1 10 2 '3D H(CCO)NH' 1 11 1 '3D 1H-15N NOESY' 1 12 2 '3D 1H-13C NOESY' 1 13 2 '3D HCCH-TOCSY' 1 14 1 '3D HNHA' # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.ionic_strength ? _pdbx_nmr_exptl_sample_conditions.pH 7.4 _pdbx_nmr_exptl_sample_conditions.pressure ? _pdbx_nmr_exptl_sample_conditions.pressure_units ? _pdbx_nmr_exptl_sample_conditions.temperature 283 _pdbx_nmr_exptl_sample_conditions.temperature_units K # loop_ _pdbx_nmr_sample_details.contents _pdbx_nmr_sample_details.solution_id _pdbx_nmr_sample_details.solvent_system ;1.0 mM [U-15N] Rev ARM peptide, 50 mM sodium phosphate, 150 mM potassium chloride, 1 mM EDTA, 1 mM DTT, 0.02 % sodium azide, 10.0 % [U-99% 2H] D2O, 40.0 % H2O, 50.0 % TFE, trifluoroethanol/water ; 1 trifluoroethanol/water ;1.0 mM [U-13C; U-15N] Rev ARM peptide, 50 mM sodium phosphate, 150 mM potassium chloride, 1 mM EDTA, 1 mM DTT, 0.02 % sodium azide, 10.0 % [U-99% 2H] D2O, 40.0 % H2O, 50.0 % [U-99% 2H] TFE, trifluoroethanol/water ; 2 trifluoroethanol/water # loop_ _pdbx_nmr_spectrometer.field_strength _pdbx_nmr_spectrometer.manufacturer _pdbx_nmr_spectrometer.model _pdbx_nmr_spectrometer.spectrometer_id _pdbx_nmr_spectrometer.type 800 Bruker AVANCE 1 'Bruker Avance' 700 Bruker AVANCE 2 'Bruker Avance' 600 Bruker AVANCE 3 'Bruker Avance' # _pdbx_nmr_refine.entry_id 2M1A _pdbx_nmr_refine.method 'torsion angle dynamics, TORSION ANGLE DYNAMICS' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 1 # _pdbx_nmr_ensemble.average_constraint_violations_per_residue ? _pdbx_nmr_ensemble.average_constraints_per_residue ? _pdbx_nmr_ensemble.average_distance_constraint_violation ? _pdbx_nmr_ensemble.average_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.conformer_selection_criteria 'target function' _pdbx_nmr_ensemble.conformers_calculated_total_number 100 _pdbx_nmr_ensemble.conformers_submitted_total_number 20 _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.entry_id 2M1A _pdbx_nmr_ensemble.maximum_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation ? _pdbx_nmr_ensemble.torsion_angle_constraint_violation_method ? # _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.entry_id 2M1A _pdbx_nmr_representative.selection_criteria 'lowest energy' # loop_ _pdbx_nmr_software.authors _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.ordinal 'Guntert, Mumenthaler and Wuthrich' 'structure solution' CYANA 2.1 1 'Cornilescu, Delaglio and Bax' 'structure solution' TALOS+ ? 2 'Guntert, Mumenthaler and Wuthrich' refinement CYANA ? 3 # _exptl.absorpt_coefficient_mu ? _exptl.absorpt_correction_T_max ? _exptl.absorpt_correction_T_min ? _exptl.absorpt_correction_type ? _exptl.absorpt_process_details ? _exptl.crystals_number ? _exptl.details ;The data presented are for the Rev arginine-rich motif (ARM), which comprises native residues 34-50 of the HIV-1 Rev protein and constitutes the protein RNA-binding domain and nuclear import signal. This NMR structure was solved in a 50% TFE/aqueous buffer mixture. ; _exptl.entry_id 2M1A _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 2M1A _struct.title 'HIV-1 Rev ARM peptide (residues T34-R50)' _struct.pdbx_model_details 'lowest energy, model 1' _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2M1A _struct_keywords.pdbx_keywords 'VIRAL PROTEIN' _struct_keywords.text 'HIV, Rev, arginine-rich motif, VIRAL PROTEIN' # _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 ? # _struct_biol.id 1 _struct_biol.details ? # _struct_conf.conf_type_id HELX_P _struct_conf.id HELX_P1 _struct_conf.pdbx_PDB_helix_id 1 _struct_conf.beg_label_comp_id GLY _struct_conf.beg_label_asym_id A _struct_conf.beg_label_seq_id 1 _struct_conf.pdbx_beg_PDB_ins_code ? _struct_conf.end_label_comp_id ALA _struct_conf.end_label_asym_id A _struct_conf.end_label_seq_id 25 _struct_conf.pdbx_end_PDB_ins_code ? _struct_conf.beg_auth_comp_id GLY _struct_conf.beg_auth_asym_id A _struct_conf.beg_auth_seq_id 1 _struct_conf.end_auth_comp_id ALA _struct_conf.end_auth_asym_id A _struct_conf.end_auth_seq_id 25 _struct_conf.pdbx_PDB_helix_class 1 _struct_conf.details ? _struct_conf.pdbx_PDB_helix_length 25 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # _atom_sites.entry_id 2M1A _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 GLY 1 1 1 GLY GLY A . n A 1 2 ALA 2 2 2 ALA ALA A . n A 1 3 MET 3 3 3 MET MET A . n A 1 4 ALA 4 4 4 ALA ALA A . n A 1 5 THR 5 5 5 THR THR A . n A 1 6 ARG 6 6 6 ARG ARG A . n A 1 7 GLN 7 7 7 GLN GLN A . n A 1 8 ALA 8 8 8 ALA ALA A . n A 1 9 ARG 9 9 9 ARG ARG A . n A 1 10 ARG 10 10 10 ARG ARG A . n A 1 11 ASN 11 11 11 ASN ASN A . n A 1 12 ARG 12 12 12 ARG ARG A . n A 1 13 ARG 13 13 13 ARG ARG A . n A 1 14 ARG 14 14 14 ARG ARG A . n A 1 15 ARG 15 15 15 ARG ARG A . n A 1 16 TRP 16 16 16 TRP TRP A . n A 1 17 ARG 17 17 17 ARG ARG A . n A 1 18 GLU 18 18 18 GLU GLU A . n A 1 19 ARG 19 19 19 ARG ARG A . n A 1 20 GLN 20 20 20 GLN GLN A . n A 1 21 ARG 21 21 21 ARG ARG A . n A 1 22 ALA 22 22 22 ALA ALA A . n A 1 23 ALA 23 23 23 ALA ALA A . n A 1 24 ALA 24 24 24 ALA ALA A . n A 1 25 ALA 25 25 25 ALA ALA A . n A 1 26 ARG 26 26 26 ARG ARG 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 # _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_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 2013-09-11 2 'Structure model' 1 1 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 2 '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' database_2 2 2 'Structure model' pdbx_database_status 3 2 'Structure model' pdbx_nmr_spectrometer # 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' '_database_2.pdbx_DOI' 2 2 'Structure model' '_database_2.pdbx_database_accession' 3 2 'Structure model' '_pdbx_database_status.status_code_nmr_data' 4 2 'Structure model' '_pdbx_nmr_spectrometer.model' # loop_ _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 _pdbx_nmr_exptl_sample.solution_id 'Rev ARM peptide-1' 1.0 ? mM '[U-15N]' 1 'sodium phosphate-2' 50 ? mM ? 1 'potassium chloride-3' 150 ? mM ? 1 EDTA-4 1 ? mM ? 1 DTT-5 1 ? mM ? 1 'sodium azide-6' 0.02 ? % ? 1 D2O-7 10.0 ? % '[U-99% 2H]' 1 H2O-8 40.0 ? % ? 1 TFE-9 50.0 ? % ? 1 'Rev ARM peptide-10' 1.0 ? mM '[U-13C; U-15N]' 2 'sodium phosphate-11' 50 ? mM ? 2 'potassium chloride-12' 150 ? mM ? 2 EDTA-13 1 ? mM ? 2 DTT-14 1 ? mM ? 2 'sodium azide-15' 0.02 ? % ? 2 D2O-16 10.0 ? % '[U-99% 2H]' 2 H2O-17 40.0 ? % ? 2 TFE-18 50.0 ? % '[U-99% 2H]' 2 # _pdbx_nmr_constraints.disulfide_bond_constraints_total_count ? _pdbx_nmr_constraints.entry_id 2M1A _pdbx_nmr_constraints.hydrogen_bond_constraints_total_count ? _pdbx_nmr_constraints.NA_alpha-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_beta-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_chi-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_delta-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_epsilon-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_gamma-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_other-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_sugar_pucker_constraints_total_count ? _pdbx_nmr_constraints.NOE_constraints_total 236 _pdbx_nmr_constraints.NOE_interentity_total_count ? _pdbx_nmr_constraints.NOE_interproton_distance_evaluation ? _pdbx_nmr_constraints.NOE_intraresidue_total_count 118 _pdbx_nmr_constraints.NOE_long_range_total_count 0 _pdbx_nmr_constraints.NOE_medium_range_total_count 53 _pdbx_nmr_constraints.NOE_motional_averaging_correction ? _pdbx_nmr_constraints.NOE_pseudoatom_corrections ? _pdbx_nmr_constraints.NOE_sequential_total_count 65 _pdbx_nmr_constraints.protein_chi_angle_constraints_total_count ? _pdbx_nmr_constraints.protein_other_angle_constraints_total_count ? _pdbx_nmr_constraints.protein_phi_angle_constraints_total_count 24 _pdbx_nmr_constraints.protein_psi_angle_constraints_total_count 24 #