data_12UG # _entry.id 12UG # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.417 _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 12UG pdb_000012ug 10.2210/pdb12ug/pdb WWPDB D_1000307298 ? ? BMRB 31303 ? 10.13018/BMR31303 # _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 2026-09-16 _pdbx_audit_revision_history.part_number ? # _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_database_status.status_code REL _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr . _pdbx_database_status.entry_id 12UG _pdbx_database_status.recvd_initial_deposition_date 2026-04-19 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site RCSB _pdbx_database_status.process_site RCSB _pdbx_database_status.status_code_cs . _pdbx_database_status.status_code_nmr_data REL _pdbx_database_status.methods_development_category ? _pdbx_database_status.pdb_format_compatible Y # loop_ _pdbx_database_related.db_name _pdbx_database_related.details _pdbx_database_related.db_id _pdbx_database_related.content_type PDB '12UF and this entry come from the same primary citation.' 12UF unspecified BMRB 'HHQ peptide structure in 98% H2SO4' 31303 unspecified # _pdbx_contact_author.id 2 _pdbx_contact_author.email meihong@mit.edu _pdbx_contact_author.name_first Mei _pdbx_contact_author.name_last Hong _pdbx_contact_author.name_mi ? _pdbx_contact_author.role 'principal investigator/group leader' _pdbx_contact_author.identifier_ORCID 0000-0001-5255-5858 # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Zhang, J.Y.' 1 ? 'Hong, M.' 2 ? # _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 US _citation.database_id_Medline ? _citation.details ? _citation.id primary _citation.journal_abbrev Proc.Natl.Acad.Sci.USA _citation.journal_id_ASTM PNASA6 _citation.journal_id_CSD 0040 _citation.journal_id_ISSN 1091-6490 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume 123 _citation.language ? _citation.page_first e2618039123 _citation.page_last e2618039123 _citation.title 'Peptides adopt stable omega-loop structures in concentrated sulfuric acid.' _citation.year 2026 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1073/pnas.2618039123 _citation.pdbx_database_id_PubMed 42696554 _citation.pdbx_database_id_patent ? _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Zhang, J.Y.' 1 ? primary 'Dregni, A.J.' 2 ? primary 'Petkowski, J.J.' 3 0000-0002-1921-4848 primary 'Seager, S.' 4 0000-0002-6892-6948 primary 'Hong, M.' 5 0000-0001-5255-5858 # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description 'HHQ13 peptide' _entity.formula_weight 1535.856 _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 '(ACE)IHAHLQAKLHVQI(NH2)' _entity_poly.pdbx_seq_one_letter_code_can XIHAHLQAKLHVQIX _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 ACE n 1 2 ILE n 1 3 HIS n 1 4 ALA n 1 5 HIS n 1 6 LEU n 1 7 GLN n 1 8 ALA n 1 9 LYS n 1 10 LEU n 1 11 HIS n 1 12 VAL n 1 13 GLN n 1 14 ILE n 1 15 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 15 _pdbx_entity_src_syn.organism_scientific 'synthetic construct' _pdbx_entity_src_syn.organism_common_name ? _pdbx_entity_src_syn.ncbi_taxonomy_id 32630 _pdbx_entity_src_syn.details ? # 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 ACE non-polymer . 'ACETYL GROUP' ? 'C2 H4 O' 44.053 ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 ILE 'L-peptide linking' y ISOLEUCINE ? 'C6 H13 N O2' 131.173 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 LYS 'L-peptide linking' y LYSINE ? 'C6 H15 N2 O2 1' 147.195 NH2 non-polymer . 'AMINO GROUP' ? 'H2 N' 16.023 VAL 'L-peptide linking' y VALINE ? 'C5 H11 N O2' 117.146 # 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 ACE 1 0 0 ACE ACE A . n A 1 2 ILE 2 1 1 ILE ILE A . n A 1 3 HIS 3 2 2 HIS HIS A . n A 1 4 ALA 4 3 3 ALA ALA A . n A 1 5 HIS 5 4 4 HIS HIS A . n A 1 6 LEU 6 5 5 LEU LEU A . n A 1 7 GLN 7 6 6 GLN GLN A . n A 1 8 ALA 8 7 7 ALA ALA A . n A 1 9 LYS 9 8 8 LYS LYS A . n A 1 10 LEU 10 9 9 LEU LEU A . n A 1 11 HIS 11 10 10 HIS HIS A . n A 1 12 VAL 12 11 11 VAL VAL A . n A 1 13 GLN 13 12 12 GLN GLN A . n A 1 14 ILE 14 13 13 ILE ILE A . n A 1 15 NH2 15 14 14 NH2 NH2 A . n # _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 12UG _exptl.crystals_number ? _exptl.details ? _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 12UG _struct.title 'NMR structure of HHQ13 peptide in 98% H2SO4' _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 12UG _struct_keywords.text 'protein folding, concentrated sulfuric acid, exoplanet, Venus cloud, DE NOVO PROTEIN' _struct_keywords.pdbx_keywords 'DE NOVO 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_ref.id 1 _struct_ref.db_name PDB _struct_ref.db_code 12UG _struct_ref.pdbx_db_accession 12UG _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 12UG _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 15 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 12UG _struct_ref_seq.db_align_beg 0 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 14 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 0 _struct_ref_seq.pdbx_auth_seq_align_end 14 # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_and_software_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_assembly_auth_evidence.id 1 _pdbx_struct_assembly_auth_evidence.assembly_id 1 _pdbx_struct_assembly_auth_evidence.experimental_support 'NMR Distance Restraints' _pdbx_struct_assembly_auth_evidence.details 'not applicable' # _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] 1.0 _pdbx_struct_oper_list.matrix[1][2] 0.0 _pdbx_struct_oper_list.matrix[1][3] 0.0 _pdbx_struct_oper_list.vector[1] 0.0 _pdbx_struct_oper_list.matrix[2][1] 0.0 _pdbx_struct_oper_list.matrix[2][2] 1.0 _pdbx_struct_oper_list.matrix[2][3] 0.0 _pdbx_struct_oper_list.vector[2] 0.0 _pdbx_struct_oper_list.matrix[3][1] 0.0 _pdbx_struct_oper_list.matrix[3][2] 0.0 _pdbx_struct_oper_list.matrix[3][3] 1.0 _pdbx_struct_oper_list.vector[3] 0.0 # 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 ACE 1 C ? ? ? 1_555 A ILE 2 N ? ? A ACE 0 A ILE 1 1_555 ? ? ? ? ? ? ? 1.333 ? ? covale2 covale both ? A ILE 14 C ? ? ? 1_555 A NH2 15 N ? ? A ILE 13 A NH2 14 1_555 ? ? ? ? ? ? ? 1.328 ? ? # _struct_conn_type.id covale _struct_conn_type.criteria ? _struct_conn_type.reference ? # loop_ _pdbx_modification_feature.ordinal _pdbx_modification_feature.label_comp_id _pdbx_modification_feature.label_asym_id _pdbx_modification_feature.label_seq_id _pdbx_modification_feature.label_alt_id _pdbx_modification_feature.modified_residue_label_comp_id _pdbx_modification_feature.modified_residue_label_asym_id _pdbx_modification_feature.modified_residue_label_seq_id _pdbx_modification_feature.modified_residue_label_alt_id _pdbx_modification_feature.auth_comp_id _pdbx_modification_feature.auth_asym_id _pdbx_modification_feature.auth_seq_id _pdbx_modification_feature.PDB_ins_code _pdbx_modification_feature.symmetry _pdbx_modification_feature.modified_residue_auth_comp_id _pdbx_modification_feature.modified_residue_auth_asym_id _pdbx_modification_feature.modified_residue_auth_seq_id _pdbx_modification_feature.modified_residue_PDB_ins_code _pdbx_modification_feature.modified_residue_symmetry _pdbx_modification_feature.comp_id_linking_atom _pdbx_modification_feature.modified_residue_id_linking_atom _pdbx_modification_feature.modified_residue_id _pdbx_modification_feature.ref_pcm_id _pdbx_modification_feature.ref_comp_id _pdbx_modification_feature.type _pdbx_modification_feature.category 1 ACE A 1 ? ILE A 2 ? ACE A 0 ? 1_555 ILE A 1 ? 1_555 . . ILE 3 ACE None 'Terminal acetylation' 2 NH2 A 15 ? ILE A 14 ? NH2 A 14 ? 1_555 ILE A 13 ? 1_555 . . ILE 3 NH2 None 'Terminal amidation' # _pdbx_entry_details.entry_id 12UG _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? _pdbx_entry_details.compound_details ? _pdbx_entry_details.source_details ? _pdbx_entry_details.has_ligand_of_interest N _pdbx_entry_details.has_protein_modification Y # 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 5 ? ? 37.08 99.89 2 1 LYS A 8 ? ? -171.59 35.40 3 1 LEU A 9 ? ? -170.10 -174.74 4 1 HIS A 10 ? ? -120.32 -62.53 5 1 VAL A 11 ? ? -157.78 65.11 6 2 LEU A 5 ? ? 36.55 89.39 7 2 GLN A 6 ? ? -69.29 72.60 8 2 ALA A 7 ? ? -60.20 86.92 9 2 LYS A 8 ? ? -177.53 -37.66 10 2 VAL A 11 ? ? -158.85 67.77 11 2 GLN A 12 ? ? -89.78 36.78 12 3 ALA A 3 ? ? -171.10 123.15 13 3 LEU A 5 ? ? 33.93 97.35 14 3 ALA A 7 ? ? -50.01 88.71 15 3 LEU A 9 ? ? 50.74 -173.25 16 3 VAL A 11 ? ? -158.47 78.37 17 3 GLN A 12 ? ? -79.36 45.91 18 4 HIS A 2 ? ? 64.62 67.63 19 4 LEU A 5 ? ? 37.00 86.92 20 4 GLN A 6 ? ? -64.55 80.97 21 4 ALA A 7 ? ? -67.63 80.87 22 4 LYS A 8 ? ? -173.27 -38.95 23 4 GLN A 12 ? ? -89.61 45.72 24 5 LEU A 5 ? ? 40.14 91.54 25 5 LYS A 8 ? ? -172.29 32.86 26 5 HIS A 10 ? ? -124.41 -63.38 27 5 VAL A 11 ? ? -156.91 60.86 28 6 HIS A 2 ? ? -161.44 45.96 29 6 LEU A 5 ? ? 35.75 87.60 30 6 GLN A 6 ? ? -59.09 92.12 31 6 ALA A 7 ? ? -64.06 82.23 32 6 LYS A 8 ? ? -164.45 -41.52 33 6 LEU A 9 ? ? -111.89 -169.67 34 6 VAL A 11 ? ? 36.65 94.48 35 6 GLN A 12 ? ? -90.59 39.66 36 7 HIS A 2 ? ? 64.65 78.96 37 7 ALA A 3 ? ? -171.67 -178.86 38 7 LEU A 5 ? ? 41.76 86.00 39 7 GLN A 6 ? ? -57.64 90.31 40 7 ALA A 7 ? ? -59.96 83.60 41 7 LYS A 8 ? ? -173.51 -35.86 42 7 VAL A 11 ? ? 37.87 79.83 43 8 HIS A 2 ? ? 65.25 82.73 44 8 ALA A 3 ? ? -170.67 -178.40 45 8 LEU A 5 ? ? 41.76 93.06 46 8 GLN A 6 ? ? -61.55 85.32 47 8 ALA A 7 ? ? -38.96 95.71 48 8 LYS A 8 ? ? -169.71 18.36 49 8 LEU A 9 ? ? -176.90 -168.13 50 8 VAL A 11 ? ? 38.13 92.69 51 8 GLN A 12 ? ? -80.75 49.61 52 9 HIS A 2 ? ? 70.52 70.20 53 9 LEU A 5 ? ? 37.50 89.39 54 9 GLN A 6 ? ? -64.56 81.93 55 9 LYS A 8 ? ? -177.07 -42.69 56 9 VAL A 11 ? ? 37.12 95.84 57 10 HIS A 2 ? ? 65.75 75.80 58 10 ALA A 3 ? ? -172.41 -175.92 59 10 LEU A 5 ? ? 36.60 93.63 60 10 GLN A 6 ? ? -67.14 80.91 61 10 ALA A 7 ? ? -63.77 89.42 62 10 LYS A 8 ? ? -165.74 -39.53 63 10 HIS A 10 ? ? -93.68 38.02 64 10 VAL A 11 ? ? -158.84 83.29 65 11 HIS A 2 ? ? 69.92 62.53 66 11 LEU A 5 ? ? 36.51 88.71 67 11 GLN A 6 ? ? -68.88 73.30 68 11 ALA A 7 ? ? -60.24 84.94 69 11 LYS A 8 ? ? -173.66 -39.77 70 11 VAL A 11 ? ? -159.05 64.69 71 11 GLN A 12 ? ? -86.44 38.71 72 12 HIS A 2 ? ? 169.09 31.08 73 12 ALA A 3 ? ? -177.02 -178.62 74 12 LEU A 5 ? ? 38.79 84.23 75 12 GLN A 6 ? ? -62.27 82.16 76 12 ALA A 7 ? ? -64.56 81.56 77 12 LYS A 8 ? ? -161.47 -38.21 78 12 VAL A 11 ? ? 36.66 91.50 79 13 HIS A 2 ? ? -160.06 45.13 80 13 LEU A 5 ? ? 36.11 91.87 81 13 GLN A 6 ? ? -62.62 87.28 82 13 ALA A 7 ? ? -67.95 77.16 83 13 LYS A 8 ? ? -174.03 -37.40 84 13 VAL A 11 ? ? 37.10 83.94 85 14 HIS A 2 ? ? -177.49 34.24 86 14 LEU A 5 ? ? 41.31 89.59 87 14 GLN A 6 ? ? -58.45 85.74 88 14 LYS A 8 ? ? -174.21 -42.41 89 14 HIS A 10 ? ? -68.90 74.92 90 15 ALA A 3 ? ? -170.68 116.50 91 15 LEU A 5 ? ? 33.54 77.44 92 15 GLN A 6 ? ? -64.44 84.53 93 15 ALA A 7 ? ? -58.07 100.13 94 15 LYS A 8 ? ? -166.99 -37.86 95 16 HIS A 2 ? ? 178.07 35.39 96 16 ALA A 3 ? ? -175.83 -177.98 97 16 LEU A 5 ? ? 39.48 89.06 98 16 GLN A 6 ? ? -69.74 76.55 99 16 ALA A 7 ? ? -66.32 77.49 100 16 LYS A 8 ? ? -172.81 -38.29 101 16 VAL A 11 ? ? -159.47 89.50 102 17 HIS A 2 ? ? 65.58 70.63 103 17 ALA A 3 ? ? -171.96 -178.10 104 17 LEU A 5 ? ? 36.55 84.88 105 17 GLN A 6 ? ? -62.92 83.75 106 17 ALA A 7 ? ? -62.92 91.70 107 17 LYS A 8 ? ? -173.01 -32.40 108 18 HIS A 2 ? ? 74.60 92.57 109 18 ALA A 3 ? ? -171.97 -175.57 110 18 LEU A 5 ? ? 36.08 95.92 111 18 GLN A 6 ? ? -65.28 90.09 112 18 ALA A 7 ? ? -38.79 87.39 113 18 LYS A 8 ? ? -148.95 -53.33 114 18 LEU A 9 ? ? -106.28 -169.01 115 18 VAL A 11 ? ? 81.84 79.08 116 18 GLN A 12 ? ? -79.00 48.88 117 19 HIS A 2 ? ? 62.73 67.13 118 19 ALA A 3 ? ? -172.47 -178.71 119 19 LEU A 5 ? ? 34.73 93.49 120 19 GLN A 6 ? ? -95.19 30.50 121 19 LEU A 9 ? ? 48.37 -176.17 122 19 GLN A 12 ? ? -89.81 47.55 123 20 ALA A 3 ? ? -171.93 -179.26 124 20 LEU A 5 ? ? 33.14 97.24 125 20 GLN A 6 ? ? -90.85 32.48 126 20 ALA A 7 ? ? 42.44 70.72 127 20 LYS A 8 ? ? -140.95 -71.75 128 20 VAL A 11 ? ? 35.28 97.15 # _pdbx_nmr_ensemble.entry_id 12UG _pdbx_nmr_ensemble.conformers_calculated_total_number 1000 _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 12UG _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'lowest energy' # _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.contents '12 mg/mL HHQ13 peptide, 98 % w/w H2SO4, 1 mg/mL dimethyl sulfone, 98% H2SO4/2% H2O' _pdbx_nmr_sample_details.solvent_system '98% H2SO4/2% H2O' _pdbx_nmr_sample_details.label NA_sample _pdbx_nmr_sample_details.type solution _pdbx_nmr_sample_details.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 'HHQ13 peptide' 12 ? mg/mL 'natural abundance' 1 H2SO4 98 ? '% w/w' 'natural abundance' 1 'dimethyl sulfone' 1 ? mg/mL 'natural abundance' # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.temperature 293 _pdbx_nmr_exptl_sample_conditions.pressure_units atm _pdbx_nmr_exptl_sample_conditions.pressure 1 _pdbx_nmr_exptl_sample_conditions.pH 0 _pdbx_nmr_exptl_sample_conditions.ionic_strength 18.4 _pdbx_nmr_exptl_sample_conditions.details ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_err ? _pdbx_nmr_exptl_sample_conditions.ionic_strength_units M _pdbx_nmr_exptl_sample_conditions.label conditions_1 _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 # 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 NOESY' 1 isotropic 2 1 1 '2D 1H-13C HMQC' 1 isotropic 3 1 1 '2D 1H-15N HSQC' 1 isotropic 4 1 1 '3D HNHA' 1 isotropic # _pdbx_nmr_refine.entry_id 12UG _pdbx_nmr_refine.method na _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 2 # loop_ _pdbx_nmr_software.ordinal _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors 2 'structure calculation' 'X-PLOR NIH' ? 'Schwieters, Kuszewski, Tjandra and Clore' 3 'chemical shift assignment' 'CcpNmr Analysis' ? CCPN # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.type_symbol _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_ordinal ACE C C N N 1 ACE O O N N 2 ACE CH3 C N N 3 ACE H H N N 4 ACE H1 H N N 5 ACE H2 H N N 6 ACE H3 H N N 7 ALA N N N N 8 ALA CA C N S 9 ALA C C N N 10 ALA O O N N 11 ALA CB C N N 12 ALA OXT O N N 13 ALA H H N N 14 ALA H2 H N N 15 ALA HA H N N 16 ALA HB1 H N N 17 ALA HB2 H N N 18 ALA HB3 H N N 19 ALA HXT H N N 20 GLN N N N N 21 GLN CA C N S 22 GLN C C N N 23 GLN O O N N 24 GLN CB C N N 25 GLN CG C N N 26 GLN CD C N N 27 GLN OE1 O N N 28 GLN NE2 N N N 29 GLN OXT O N N 30 GLN H H N N 31 GLN H2 H N N 32 GLN HA H N N 33 GLN HB2 H N N 34 GLN HB3 H N N 35 GLN HG2 H N N 36 GLN HG3 H N N 37 GLN HE21 H N N 38 GLN HE22 H N N 39 GLN HXT H N N 40 HIS N N N N 41 HIS CA C N S 42 HIS C C N N 43 HIS O O N N 44 HIS CB C N N 45 HIS CG C Y N 46 HIS ND1 N Y N 47 HIS CD2 C Y N 48 HIS CE1 C Y N 49 HIS NE2 N Y N 50 HIS OXT O N N 51 HIS H H N N 52 HIS H2 H N N 53 HIS HA H N N 54 HIS HB2 H N N 55 HIS HB3 H N N 56 HIS HD1 H N N 57 HIS HD2 H N N 58 HIS HE1 H N N 59 HIS HE2 H N N 60 HIS HXT H N N 61 ILE N N N N 62 ILE CA C N S 63 ILE C C N N 64 ILE O O N N 65 ILE CB C N S 66 ILE CG1 C N N 67 ILE CG2 C N N 68 ILE CD1 C N N 69 ILE OXT O N N 70 ILE H H N N 71 ILE H2 H N N 72 ILE HA H N N 73 ILE HB H N N 74 ILE HG12 H N N 75 ILE HG13 H N N 76 ILE HG21 H N N 77 ILE HG22 H N N 78 ILE HG23 H N N 79 ILE HD11 H N N 80 ILE HD12 H N N 81 ILE HD13 H N N 82 ILE HXT H N N 83 LEU N N N N 84 LEU CA C N S 85 LEU C C N N 86 LEU O O N N 87 LEU CB C N N 88 LEU CG C N N 89 LEU CD1 C N N 90 LEU CD2 C N N 91 LEU OXT O N N 92 LEU H H N N 93 LEU H2 H N N 94 LEU HA H N N 95 LEU HB2 H N N 96 LEU HB3 H N N 97 LEU HG H N N 98 LEU HD11 H N N 99 LEU HD12 H N N 100 LEU HD13 H N N 101 LEU HD21 H N N 102 LEU HD22 H N N 103 LEU HD23 H N N 104 LEU HXT H N N 105 LYS N N N N 106 LYS CA C N S 107 LYS C C N N 108 LYS O O N N 109 LYS CB C N N 110 LYS CG C N N 111 LYS CD C N N 112 LYS CE C N N 113 LYS NZ N N N 114 LYS OXT O N N 115 LYS H H N N 116 LYS H2 H N N 117 LYS HA H N N 118 LYS HB2 H N N 119 LYS HB3 H N N 120 LYS HG2 H N N 121 LYS HG3 H N N 122 LYS HD2 H N N 123 LYS HD3 H N N 124 LYS HE2 H N N 125 LYS HE3 H N N 126 LYS HZ1 H N N 127 LYS HZ2 H N N 128 LYS HZ3 H N N 129 LYS HXT H N N 130 NH2 N N N N 131 NH2 HN1 H N N 132 NH2 HN2 H N N 133 VAL N N N N 134 VAL CA C N S 135 VAL C C N N 136 VAL O O N N 137 VAL CB C N N 138 VAL CG1 C N N 139 VAL CG2 C N N 140 VAL OXT O N N 141 VAL H H N N 142 VAL H2 H N N 143 VAL HA H N N 144 VAL HB H N N 145 VAL HG11 H N N 146 VAL HG12 H N N 147 VAL HG13 H N N 148 VAL HG21 H N N 149 VAL HG22 H N N 150 VAL HG23 H N N 151 VAL HXT H N N 152 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal ACE C O doub N N 1 ACE C CH3 sing N N 2 ACE C H sing N N 3 ACE CH3 H1 sing N N 4 ACE CH3 H2 sing N N 5 ACE CH3 H3 sing N N 6 ALA N CA sing N N 7 ALA N H sing N N 8 ALA N H2 sing N N 9 ALA CA C sing N N 10 ALA CA CB sing N N 11 ALA CA HA sing N N 12 ALA C O doub N N 13 ALA C OXT sing N N 14 ALA CB HB1 sing N N 15 ALA CB HB2 sing N N 16 ALA CB HB3 sing N N 17 ALA OXT HXT sing N N 18 GLN N CA sing N N 19 GLN N H sing N N 20 GLN N H2 sing N N 21 GLN CA C sing N N 22 GLN CA CB sing N N 23 GLN CA HA sing N N 24 GLN C O doub N N 25 GLN C OXT sing N N 26 GLN CB CG sing N N 27 GLN CB HB2 sing N N 28 GLN CB HB3 sing N N 29 GLN CG CD sing N N 30 GLN CG HG2 sing N N 31 GLN CG HG3 sing N N 32 GLN CD OE1 doub N N 33 GLN CD NE2 sing N N 34 GLN NE2 HE21 sing N N 35 GLN NE2 HE22 sing N N 36 GLN OXT HXT sing N N 37 HIS N CA sing N N 38 HIS N H sing N N 39 HIS N H2 sing N N 40 HIS CA C sing N N 41 HIS CA CB sing N N 42 HIS CA HA sing N N 43 HIS C O doub N N 44 HIS C OXT sing N N 45 HIS CB CG sing N N 46 HIS CB HB2 sing N N 47 HIS CB HB3 sing N N 48 HIS CG ND1 sing Y N 49 HIS CG CD2 doub Y N 50 HIS ND1 CE1 doub Y N 51 HIS ND1 HD1 sing N N 52 HIS CD2 NE2 sing Y N 53 HIS CD2 HD2 sing N N 54 HIS CE1 NE2 sing Y N 55 HIS CE1 HE1 sing N N 56 HIS NE2 HE2 sing N N 57 HIS OXT HXT sing N N 58 ILE N CA sing N N 59 ILE N H sing N N 60 ILE N H2 sing N N 61 ILE CA C sing N N 62 ILE CA CB sing N N 63 ILE CA HA sing N N 64 ILE C O doub N N 65 ILE C OXT sing N N 66 ILE CB CG1 sing N N 67 ILE CB CG2 sing N N 68 ILE CB HB sing N N 69 ILE CG1 CD1 sing N N 70 ILE CG1 HG12 sing N N 71 ILE CG1 HG13 sing N N 72 ILE CG2 HG21 sing N N 73 ILE CG2 HG22 sing N N 74 ILE CG2 HG23 sing N N 75 ILE CD1 HD11 sing N N 76 ILE CD1 HD12 sing N N 77 ILE CD1 HD13 sing N N 78 ILE OXT HXT sing N N 79 LEU N CA sing N N 80 LEU N H sing N N 81 LEU N H2 sing N N 82 LEU CA C sing N N 83 LEU CA CB sing N N 84 LEU CA HA sing N N 85 LEU C O doub N N 86 LEU C OXT sing N N 87 LEU CB CG sing N N 88 LEU CB HB2 sing N N 89 LEU CB HB3 sing N N 90 LEU CG CD1 sing N N 91 LEU CG CD2 sing N N 92 LEU CG HG sing N N 93 LEU CD1 HD11 sing N N 94 LEU CD1 HD12 sing N N 95 LEU CD1 HD13 sing N N 96 LEU CD2 HD21 sing N N 97 LEU CD2 HD22 sing N N 98 LEU CD2 HD23 sing N N 99 LEU OXT HXT sing N N 100 LYS N CA sing N N 101 LYS N H sing N N 102 LYS N H2 sing N N 103 LYS CA C sing N N 104 LYS CA CB sing N N 105 LYS CA HA sing N N 106 LYS C O doub N N 107 LYS C OXT sing N N 108 LYS CB CG sing N N 109 LYS CB HB2 sing N N 110 LYS CB HB3 sing N N 111 LYS CG CD sing N N 112 LYS CG HG2 sing N N 113 LYS CG HG3 sing N N 114 LYS CD CE sing N N 115 LYS CD HD2 sing N N 116 LYS CD HD3 sing N N 117 LYS CE NZ sing N N 118 LYS CE HE2 sing N N 119 LYS CE HE3 sing N N 120 LYS NZ HZ1 sing N N 121 LYS NZ HZ2 sing N N 122 LYS NZ HZ3 sing N N 123 LYS OXT HXT sing N N 124 NH2 N HN1 sing N N 125 NH2 N HN2 sing N N 126 VAL N CA sing N N 127 VAL N H sing N N 128 VAL N H2 sing N N 129 VAL CA C sing N N 130 VAL CA CB sing N N 131 VAL CA HA sing N N 132 VAL C O doub N N 133 VAL C OXT sing N N 134 VAL CB CG1 sing N N 135 VAL CB CG2 sing N N 136 VAL CB HB sing N N 137 VAL CG1 HG11 sing N N 138 VAL CG1 HG12 sing N N 139 VAL CG1 HG13 sing N N 140 VAL CG2 HG21 sing N N 141 VAL CG2 HG22 sing N N 142 VAL CG2 HG23 sing N N 143 VAL OXT HXT sing N N 144 # _pdbx_audit_support.funding_organization 'Other private' _pdbx_audit_support.country 'United States' _pdbx_audit_support.grant_number G-2023-20929 _pdbx_audit_support.ordinal 1 # _pdbx_nmr_spectrometer.spectrometer_id 1 _pdbx_nmr_spectrometer.model 'AVANCE II' _pdbx_nmr_spectrometer.type ? _pdbx_nmr_spectrometer.manufacturer Bruker _pdbx_nmr_spectrometer.field_strength 800 _pdbx_nmr_spectrometer.details ? # _atom_sites.entry_id 12UG _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.Cartn_transform_axes ? _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 # loop_ #