data_1U2A # _entry.id 1U2A # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.355 _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 1U2A pdb_00001u2a 10.2210/pdb1u2a/pdb WWPDB D_1000176896 ? ? # _pdbx_database_related.db_name PDB _pdbx_database_related.db_id 2U2A _pdbx_database_related.details 'MINIMIZED AVERAGE STRUCTURE' _pdbx_database_related.content_type unspecified # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 1U2A _pdbx_database_status.recvd_initial_deposition_date 1997-08-19 _pdbx_database_status.deposit_site ? _pdbx_database_status.process_site BNL _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr REL _pdbx_database_status.SG_entry ? _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Stallings, S.C.' 1 'Moore, P.B.' 2 # loop_ _citation.id _citation.title _citation.journal_abbrev _citation.journal_volume _citation.page_first _citation.page_last _citation.year _citation.journal_id_ASTM _citation.country _citation.journal_id_ISSN _citation.journal_id_CSD _citation.book_publisher _citation.pdbx_database_id_PubMed _citation.pdbx_database_id_DOI primary 'The structure of an essential splicing element: stem loop IIa from yeast U2 snRNA.' Structure 5 1173 1185 1997 STRUE6 UK 0969-2126 2005 ? 9331416 '10.1016/S0969-2126(97)00268-2' 1 'Efficient Association of U2 Snrnps with Pre-Mrna Requires an Essential U2 RNA Structural Element' 'Genes Dev.' 5 2521 ? 1991 GEDEEP US 0890-9369 2056 ? ? ? 2 'Lethal and Temperature-Sensitive Mutations and Their Suppressors Identify an Essential Structural Element in U2 Small Nuclear RNA' 'Genes Dev.' 4 2132 ? 1990 GEDEEP US 0890-9369 2056 ? ? ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Stallings, S.C.' 1 ? primary 'Moore, P.B.' 2 ? 1 'Zavanelli, M.I.' 3 ? 1 'Ares Junior, M.' 4 ? 2 'Ares Junior, M.' 5 ? 2 'Igel, A.H.' 6 ? # _cell.entry_id 1U2A _cell.length_a 1.000 _cell.length_b 1.000 _cell.length_c 1.000 _cell.angle_alpha 90.00 _cell.angle_beta 90.00 _cell.angle_gamma 90.00 _cell.Z_PDB 1 _cell.pdbx_unique_axis ? # _symmetry.entry_id 1U2A _symmetry.space_group_name_H-M 'P 1' _symmetry.pdbx_full_space_group_name_H-M ? _symmetry.cell_setting ? _symmetry.Int_Tables_number 1 # _entity.id 1 _entity.type polymer _entity.src_method man _entity.pdbx_description ;RNA (5'-R(P*GP*GP*UP*CP*AP*GP*UP*GP*UP*AP*AP*CP*AP*AP*CP*UP*GP*AP*CP*C)-3') ; _entity.formula_weight 6406.878 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation 'TWO TERMINAL BASE PAIRS WERE CHANGED FROM UAS IN STEM LOOP IIA TO GCS IN U2A TO ACCOMMODATE T7 TRANSCRIPTION' _entity.pdbx_fragment 'STEM LOOP IIA' _entity.details ? # _entity_poly.entity_id 1 _entity_poly.type polyribonucleotide _entity_poly.nstd_linkage no _entity_poly.nstd_monomer no _entity_poly.pdbx_seq_one_letter_code GGUCAGUGUAACAACUGACC _entity_poly.pdbx_seq_one_letter_code_can GGUCAGUGUAACAACUGACC _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 G n 1 2 G n 1 3 U n 1 4 C n 1 5 A n 1 6 G n 1 7 U n 1 8 G n 1 9 U n 1 10 A n 1 11 A n 1 12 C n 1 13 A n 1 14 A n 1 15 C n 1 16 U n 1 17 G n 1 18 A n 1 19 C n 1 20 C 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 ;baker's yeast ; _entity_src_gen.gene_src_genus Saccharomyces _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 'Saccharomyces cerevisiae' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 4932 _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 Escherichia _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 T7 _entity_src_gen.pdbx_host_org_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 'MOLECULE TRANSCRIBED FROM A PARTIALLY SINGLE-STRANDED DNA TEMPLATE USING T7 RNA POLYMERASE' # _struct_ref.id 1 _struct_ref.entity_id 1 _struct_ref.db_name PDB _struct_ref.db_code 1U2A _struct_ref.pdbx_db_accession 1U2A _struct_ref.pdbx_db_isoform ? _struct_ref.pdbx_seq_one_letter_code ? _struct_ref.pdbx_align_begin ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 1U2A _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 20 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 1U2A _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 20 _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 20 # 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 A 'RNA linking' y "ADENOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O7 P' 347.221 C 'RNA linking' y "CYTIDINE-5'-MONOPHOSPHATE" ? 'C9 H14 N3 O8 P' 323.197 G 'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O8 P' 363.221 U 'RNA linking' y "URIDINE-5'-MONOPHOSPHATE" ? 'C9 H13 N2 O9 P' 324.181 # loop_ _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.type _pdbx_nmr_exptl.solution_id 1 1 'NOESY(D2O)' 1 2 1 'NOESY(H2O)' 1 3 1 DQF-COSY 1 4 1 HP-COSY 1 5 1 'SPIN-ECHO DIFFERENCE-HMQC' 1 6 1 '3D HCCH-TOCSY' 1 7 1 '3D HCCH-TOCSY' 1 # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.temperature 303 _pdbx_nmr_exptl_sample_conditions.pressure '1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA' _pdbx_nmr_exptl_sample_conditions.pH 7.6 _pdbx_nmr_exptl_sample_conditions.ionic_strength '75 mM' _pdbx_nmr_exptl_sample_conditions.pressure_units atm _pdbx_nmr_exptl_sample_conditions.temperature_units K # loop_ _pdbx_nmr_spectrometer.spectrometer_id _pdbx_nmr_spectrometer.model _pdbx_nmr_spectrometer.manufacturer _pdbx_nmr_spectrometer.field_strength 1 OMEGA500 GE 500 2 UNITY+600 Varian 600 # _pdbx_nmr_refine.entry_id 1U2A _pdbx_nmr_refine.method 'molecular dynamics' _pdbx_nmr_refine.details 'REFINEMENT WAS DONE USING TORSION ANGLE MOLECULAR DYNAMICS. DETAILS OF THE PROTOCOL CAN BE FOUND IN THE STRUCTURE CITATION ABOVE.' _pdbx_nmr_refine.software_ordinal 1 # _pdbx_nmr_ensemble.entry_id 1U2A _pdbx_nmr_ensemble.conformers_calculated_total_number 15 _pdbx_nmr_ensemble.conformers_submitted_total_number 1 _pdbx_nmr_ensemble.conformer_selection_criteria ;NOE VIOLATIONS < 0.2A (NOT APPLIED TO PSEUDO-NOES IN THE TERMINAL BASE PAIR), DIHEDRAL VIOL < 2 DEGREES, RMSD BONDS < 0.02A, RMSD ANGLE < 2 DEGREES, RMSD IMPROPER < 2 DEGREES ; # loop_ _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors _pdbx_nmr_software.ordinal refinement X-PLOR 3.851 BRUNGER 1 'structure solution' FELIX95 ? ? 2 'structure solution' XPLOR 3.851 ? 3 # _exptl.entry_id 1U2A _exptl.method 'SOLUTION NMR' _exptl.crystals_number ? # _struct.entry_id 1U2A _struct.title 'STEM LOOP IIA FROM U2SNRNA OF SACCHAROMYCES CEREVISIAE, NMR, MINIMIZED AVERAGE STRUCTURE' _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 1U2A _struct_keywords.pdbx_keywords RNA _struct_keywords.text 'PRE-MRNA SPLICING, U2SNRNA, U-TURN, RNA-PROTEIN INTERACTIONS, RIBONUCLEIC ACID, RNA' # _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 # 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 hydrog1 hydrog ? ? A G 1 N1 ? ? ? 1_555 A C 20 N3 ? ? A G 1 A C 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog2 hydrog ? ? A G 1 N2 ? ? ? 1_555 A C 20 O2 ? ? A G 1 A C 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog3 hydrog ? ? A G 1 O6 ? ? ? 1_555 A C 20 N4 ? ? A G 1 A C 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog4 hydrog ? ? A G 2 N1 ? ? ? 1_555 A C 19 N3 ? ? A G 2 A C 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog5 hydrog ? ? A G 2 N2 ? ? ? 1_555 A C 19 O2 ? ? A G 2 A C 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog6 hydrog ? ? A G 2 O6 ? ? ? 1_555 A C 19 N4 ? ? A G 2 A C 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog7 hydrog ? ? A U 3 N3 ? ? ? 1_555 A A 18 N1 ? ? A U 3 A A 18 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog8 hydrog ? ? A U 3 O4 ? ? ? 1_555 A A 18 N6 ? ? A U 3 A A 18 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog9 hydrog ? ? A C 4 N3 ? ? ? 1_555 A G 17 N1 ? ? A C 4 A G 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog10 hydrog ? ? A C 4 N4 ? ? ? 1_555 A G 17 O6 ? ? A C 4 A G 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog11 hydrog ? ? A C 4 O2 ? ? ? 1_555 A G 17 N2 ? ? A C 4 A G 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog12 hydrog ? ? A A 5 N1 ? ? ? 1_555 A U 16 N3 ? ? A A 5 A U 16 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog13 hydrog ? ? A A 5 N6 ? ? ? 1_555 A U 16 O4 ? ? A A 5 A U 16 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog14 hydrog ? ? A G 6 N1 ? ? ? 1_555 A C 15 N3 ? ? A G 6 A C 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog15 hydrog ? ? A G 6 N2 ? ? ? 1_555 A C 15 O2 ? ? A G 6 A C 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog16 hydrog ? ? A G 6 O6 ? ? ? 1_555 A C 15 N4 ? ? A G 6 A C 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog17 hydrog ? ? A U 7 N3 ? ? ? 1_555 A A 14 N1 ? ? A U 7 A A 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog18 hydrog ? ? A U 7 O4 ? ? ? 1_555 A A 14 N6 ? ? A U 7 A A 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog19 hydrog ? ? A G 8 N2 ? ? ? 1_555 A A 13 N7 ? ? A G 8 A A 13 1_555 ? ? ? ? ? ? TYPE_11_PAIR ? ? ? hydrog20 hydrog ? ? A G 8 N3 ? ? ? 1_555 A A 13 N6 ? ? A G 8 A A 13 1_555 ? ? ? ? ? ? TYPE_11_PAIR ? ? ? # _struct_conn_type.id hydrog _struct_conn_type.criteria ? _struct_conn_type.reference ? # _database_PDB_matrix.entry_id 1U2A _database_PDB_matrix.origx[1][1] 1.000000 _database_PDB_matrix.origx[1][2] 0.000000 _database_PDB_matrix.origx[1][3] 0.000000 _database_PDB_matrix.origx[2][1] 0.000000 _database_PDB_matrix.origx[2][2] 1.000000 _database_PDB_matrix.origx[2][3] 0.000000 _database_PDB_matrix.origx[3][1] 0.000000 _database_PDB_matrix.origx[3][2] 0.000000 _database_PDB_matrix.origx[3][3] 1.000000 _database_PDB_matrix.origx_vector[1] 0.00000 _database_PDB_matrix.origx_vector[2] 0.00000 _database_PDB_matrix.origx_vector[3] 0.00000 # _atom_sites.entry_id 1U2A _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 P # 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 G 1 1 1 G G A . n A 1 2 G 2 2 2 G G A . n A 1 3 U 3 3 3 U U A . n A 1 4 C 4 4 4 C C A . n A 1 5 A 5 5 5 A A A . n A 1 6 G 6 6 6 G G A . n A 1 7 U 7 7 7 U U A . n A 1 8 G 8 8 8 G G A . n A 1 9 U 9 9 9 U U A . n A 1 10 A 10 10 10 A A A . n A 1 11 A 11 11 11 A A A . n A 1 12 C 12 12 12 C C A . n A 1 13 A 13 13 13 A A A . n A 1 14 A 14 14 14 A A A . n A 1 15 C 15 15 15 C C A . n A 1 16 U 16 16 16 U U A . n A 1 17 G 17 17 17 G G A . n A 1 18 A 18 18 18 A A A . n A 1 19 C 19 19 19 C C A . n A 1 20 C 20 20 20 C C 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 1998-03-04 2 'Structure model' 1 1 2008-03-24 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2022-03-02 # _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' 'Version format compliance' 2 3 'Structure model' 'Version format compliance' 3 4 'Structure model' 'Database references' 4 4 'Structure model' 'Derived calculations' 5 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 4 'Structure model' database_2 2 4 'Structure model' pdbx_database_status 3 4 'Structure model' pdbx_struct_assembly 4 4 'Structure model' pdbx_struct_oper_list # 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 4 'Structure model' '_database_2.pdbx_DOI' 2 4 'Structure model' '_database_2.pdbx_database_accession' 3 4 'Structure model' '_pdbx_database_status.process_site' # loop_ _software.name _software.classification _software.version _software.citation_id _software.pdbx_ordinal X-PLOR 'model building' 3.851 ? 1 X-PLOR refinement 3.851 ? 2 X-PLOR phasing 3.851 ? 3 # 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 O4 A U 3 ? ? H61 A A 18 ? ? 1.38 2 1 "O2'" A U 9 ? ? H62 A A 11 ? ? 1.48 3 1 O6 A G 1 ? ? H41 A C 20 ? ? 1.52 4 1 N1 A A 5 ? ? H3 A U 16 ? ? 1.56 5 1 O2 A C 4 ? ? H21 A G 17 ? ? 1.56 6 1 H21 A G 2 ? ? O2 A C 19 ? ? 1.57 7 1 H21 A G 6 ? ? O2 A C 15 ? ? 1.57 8 1 H21 A G 1 ? ? O2 A C 20 ? ? 1.57 9 1 H61 A A 5 ? ? O4 A U 16 ? ? 1.59 # loop_ _ndb_struct_conf_na.entry_id _ndb_struct_conf_na.feature 1U2A 'double helix' 1U2A 'a-form double helix' 1U2A 'hairpin loop' 1U2A 'mismatched base pair' # loop_ _ndb_struct_na_base_pair.model_number _ndb_struct_na_base_pair.i_label_asym_id _ndb_struct_na_base_pair.i_label_comp_id _ndb_struct_na_base_pair.i_label_seq_id _ndb_struct_na_base_pair.i_symmetry _ndb_struct_na_base_pair.j_label_asym_id _ndb_struct_na_base_pair.j_label_comp_id _ndb_struct_na_base_pair.j_label_seq_id _ndb_struct_na_base_pair.j_symmetry _ndb_struct_na_base_pair.shear _ndb_struct_na_base_pair.stretch _ndb_struct_na_base_pair.stagger _ndb_struct_na_base_pair.buckle _ndb_struct_na_base_pair.propeller _ndb_struct_na_base_pair.opening _ndb_struct_na_base_pair.pair_number _ndb_struct_na_base_pair.pair_name _ndb_struct_na_base_pair.i_auth_asym_id _ndb_struct_na_base_pair.i_auth_seq_id _ndb_struct_na_base_pair.i_PDB_ins_code _ndb_struct_na_base_pair.j_auth_asym_id _ndb_struct_na_base_pair.j_auth_seq_id _ndb_struct_na_base_pair.j_PDB_ins_code _ndb_struct_na_base_pair.hbond_type_28 _ndb_struct_na_base_pair.hbond_type_12 1 A G 1 1_555 A C 20 1_555 -0.262 -0.452 0.023 -1.552 -0.800 -2.358 1 A_G1:C20_A A 1 ? A 20 ? 19 1 1 A G 2 1_555 A C 19 1_555 -0.447 -0.329 0.050 -0.329 -2.039 1.166 2 A_G2:C19_A A 2 ? A 19 ? 19 1 1 A U 3 1_555 A A 18 1_555 -0.322 -0.348 0.007 0.754 -1.304 -8.654 3 A_U3:A18_A A 3 ? A 18 ? 20 1 1 A C 4 1_555 A G 17 1_555 0.509 -0.154 -0.021 -0.135 -1.668 4.918 4 A_C4:G17_A A 4 ? A 17 ? 19 1 1 A A 5 1_555 A U 16 1_555 -0.020 -0.401 -0.054 -0.535 -0.528 -0.693 5 A_A5:U16_A A 5 ? A 16 ? 20 1 1 A G 6 1_555 A C 15 1_555 -0.061 -0.187 -0.045 2.526 -1.199 2.702 6 A_G6:C15_A A 6 ? A 15 ? 19 1 1 A U 7 1_555 A A 14 1_555 0.223 -0.518 -1.112 -12.309 -4.259 -3.447 7 A_U7:A14_A A 7 ? A 14 ? 20 1 1 A G 8 1_555 A A 13 1_555 6.568 -3.542 1.078 9.797 9.214 -8.878 8 A_G8:A13_A A 8 ? A 13 ? 11 9 # loop_ _ndb_struct_na_base_pair_step.model_number _ndb_struct_na_base_pair_step.i_label_asym_id_1 _ndb_struct_na_base_pair_step.i_label_comp_id_1 _ndb_struct_na_base_pair_step.i_label_seq_id_1 _ndb_struct_na_base_pair_step.i_symmetry_1 _ndb_struct_na_base_pair_step.j_label_asym_id_1 _ndb_struct_na_base_pair_step.j_label_comp_id_1 _ndb_struct_na_base_pair_step.j_label_seq_id_1 _ndb_struct_na_base_pair_step.j_symmetry_1 _ndb_struct_na_base_pair_step.i_label_asym_id_2 _ndb_struct_na_base_pair_step.i_label_comp_id_2 _ndb_struct_na_base_pair_step.i_label_seq_id_2 _ndb_struct_na_base_pair_step.i_symmetry_2 _ndb_struct_na_base_pair_step.j_label_asym_id_2 _ndb_struct_na_base_pair_step.j_label_comp_id_2 _ndb_struct_na_base_pair_step.j_label_seq_id_2 _ndb_struct_na_base_pair_step.j_symmetry_2 _ndb_struct_na_base_pair_step.shift _ndb_struct_na_base_pair_step.slide _ndb_struct_na_base_pair_step.rise _ndb_struct_na_base_pair_step.tilt _ndb_struct_na_base_pair_step.roll _ndb_struct_na_base_pair_step.twist _ndb_struct_na_base_pair_step.x_displacement _ndb_struct_na_base_pair_step.y_displacement _ndb_struct_na_base_pair_step.helical_rise _ndb_struct_na_base_pair_step.inclination _ndb_struct_na_base_pair_step.tip _ndb_struct_na_base_pair_step.helical_twist _ndb_struct_na_base_pair_step.step_number _ndb_struct_na_base_pair_step.step_name _ndb_struct_na_base_pair_step.i_auth_asym_id_1 _ndb_struct_na_base_pair_step.i_auth_seq_id_1 _ndb_struct_na_base_pair_step.i_PDB_ins_code_1 _ndb_struct_na_base_pair_step.j_auth_asym_id_1 _ndb_struct_na_base_pair_step.j_auth_seq_id_1 _ndb_struct_na_base_pair_step.j_PDB_ins_code_1 _ndb_struct_na_base_pair_step.i_auth_asym_id_2 _ndb_struct_na_base_pair_step.i_auth_seq_id_2 _ndb_struct_na_base_pair_step.i_PDB_ins_code_2 _ndb_struct_na_base_pair_step.j_auth_asym_id_2 _ndb_struct_na_base_pair_step.j_auth_seq_id_2 _ndb_struct_na_base_pair_step.j_PDB_ins_code_2 1 A G 1 1_555 A C 20 1_555 A G 2 1_555 A C 19 1_555 0.730 -0.911 3.348 -1.764 18.591 31.320 -3.927 -1.405 2.409 31.207 2.961 36.345 1 AA_G1G2:C19C20_AA A 1 ? A 20 ? A 2 ? A 19 ? 1 A G 2 1_555 A C 19 1_555 A U 3 1_555 A A 18 1_555 -1.183 -0.662 3.450 -1.497 18.874 33.974 -3.352 1.595 2.770 29.622 2.349 38.757 2 AA_G2U3:A18C19_AA A 2 ? A 19 ? A 3 ? A 18 ? 1 A U 3 1_555 A A 18 1_555 A C 4 1_555 A G 17 1_555 2.012 -1.147 3.357 -0.677 6.915 37.737 -2.603 -3.146 3.071 10.581 1.036 38.348 3 AA_U3C4:G17A18_AA A 3 ? A 18 ? A 4 ? A 17 ? 1 A C 4 1_555 A G 17 1_555 A A 5 1_555 A U 16 1_555 -1.042 -1.671 3.169 2.114 6.940 27.418 -4.848 2.566 2.590 14.326 -4.365 28.344 4 AA_C4A5:U16G17_AA A 4 ? A 17 ? A 5 ? A 16 ? 1 A A 5 1_555 A U 16 1_555 A G 6 1_555 A C 15 1_555 0.947 -0.814 3.398 -0.547 11.072 30.127 -3.459 -1.812 2.908 20.451 1.011 32.058 5 AA_A5G6:C15U16_AA A 5 ? A 16 ? A 6 ? A 15 ? 1 A G 6 1_555 A C 15 1_555 A U 7 1_555 A A 14 1_555 -0.840 -1.802 3.856 5.628 12.520 35.355 -4.503 2.071 2.912 19.721 -8.866 37.847 6 AA_G6U7:A14C15_AA A 6 ? A 15 ? A 7 ? A 14 ? 1 A U 7 1_555 A A 14 1_555 A G 8 1_555 A A 13 1_555 -0.386 0.345 2.840 -2.158 21.318 53.676 -0.679 0.297 2.797 22.621 2.290 57.498 7 AA_U7G8:A13A14_AA A 7 ? A 14 ? A 8 ? A 13 ? #