data_2LJ2 # _entry.id 2LJ2 # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.392 _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 2LJ2 pdb_00002lj2 10.2210/pdb2lj2/pdb RCSB RCSB102442 ? ? BMRB 17914 ? 10.13018/BMR17914 WWPDB D_1000102442 ? ? # 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 2012-01-18 2 'Structure model' 1 1 2012-02-15 3 'Structure model' 1 2 2023-06-14 4 'Structure model' 1 3 2024-05-15 # _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' 'Database references' 2 3 'Structure model' 'Data collection' 3 3 'Structure model' 'Database references' 4 3 'Structure model' Other 5 4 'Structure model' 'Data collection' 6 4 'Structure model' 'Database references' # 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 3 'Structure model' database_2 2 3 'Structure model' pdbx_database_status 3 3 'Structure model' pdbx_nmr_software 4 3 'Structure model' pdbx_nmr_spectrometer 5 3 'Structure model' struct_ref_seq_dif 6 4 'Structure model' chem_comp_atom 7 4 'Structure model' chem_comp_bond 8 4 'Structure model' database_2 # 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 3 'Structure model' '_database_2.pdbx_DOI' 2 3 'Structure model' '_database_2.pdbx_database_accession' 3 3 'Structure model' '_pdbx_database_status.status_code_nmr_data' 4 3 'Structure model' '_pdbx_nmr_software.name' 5 3 'Structure model' '_pdbx_nmr_spectrometer.model' 6 3 'Structure model' '_struct_ref_seq_dif.details' 7 4 'Structure model' '_database_2.pdbx_DOI' # _pdbx_database_status.deposit_site BMRB _pdbx_database_status.entry_id 2LJ2 _pdbx_database_status.process_site RCSB _pdbx_database_status.recvd_initial_deposition_date 2011-09-03 _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_ _pdbx_database_related.content_type _pdbx_database_related.db_id _pdbx_database_related.db_name _pdbx_database_related.details unspecified 2H3O PDB . unspecified 1WAZ PDB . unspecified 17914 BMRB . # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Das, B.B.' 1 'Nothnagel, H.J.' 2 'Lu, G.J.' 3 'Son, W.' 4 'Park, S.' 5 'Tian, Y.B.' 6 'Marassi, F.M.' 7 'Opella, S.J.' 8 # _citation.id primary _citation.title 'Structure determination of a membrane protein in proteoliposomes.' _citation.journal_abbrev J.Am.Chem.Soc. _citation.journal_volume 134 _citation.page_first 2047 _citation.page_last 2056 _citation.year 2012 _citation.journal_id_ASTM JACSAT _citation.country US _citation.journal_id_ISSN 0002-7863 _citation.journal_id_CSD 0004 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 22217388 _citation.pdbx_database_id_DOI 10.1021/ja209464f # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Das, B.B.' 1 ? primary 'Nothnagel, H.J.' 2 ? primary 'Lu, G.J.' 3 ? primary 'Son, W.S.' 4 ? primary 'Tian, Y.' 5 ? primary 'Marassi, F.M.' 6 ? primary 'Opella, S.J.' 7 ? # _entity.id 1 _entity.type polymer _entity.src_method man _entity.pdbx_description MerF _entity.formula_weight 6281.448 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment 'UNP residues 13-70' _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 IGTTLVALSSFTPVLVILLGVVGLSALTGYLDYVLLPALAIFIGLTIYAIQRKRQADASS _entity_poly.pdbx_seq_one_letter_code_can IGTTLVALSSFTPVLVILLGVVGLSALTGYLDYVLLPALAIFIGLTIYAIQRKRQADASS _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 ILE n 1 2 GLY n 1 3 THR n 1 4 THR n 1 5 LEU n 1 6 VAL n 1 7 ALA n 1 8 LEU n 1 9 SER n 1 10 SER n 1 11 PHE n 1 12 THR n 1 13 PRO n 1 14 VAL n 1 15 LEU n 1 16 VAL n 1 17 ILE n 1 18 LEU n 1 19 LEU n 1 20 GLY n 1 21 VAL n 1 22 VAL n 1 23 GLY n 1 24 LEU n 1 25 SER n 1 26 ALA n 1 27 LEU n 1 28 THR n 1 29 GLY n 1 30 TYR n 1 31 LEU n 1 32 ASP n 1 33 TYR n 1 34 VAL n 1 35 LEU n 1 36 LEU n 1 37 PRO n 1 38 ALA n 1 39 LEU n 1 40 ALA n 1 41 ILE n 1 42 PHE n 1 43 ILE n 1 44 GLY n 1 45 LEU n 1 46 THR n 1 47 ILE n 1 48 TYR n 1 49 ALA n 1 50 ILE n 1 51 GLN n 1 52 ARG n 1 53 LYS n 1 54 ARG n 1 55 GLN n 1 56 ALA n 1 57 ASP n 1 58 ALA n 1 59 SER n 1 60 SER 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 merF _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 'Morganella morganii' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 582 _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 C43 _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 pET _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 ? # 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 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 GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 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 PHE 'L-peptide linking' y PHENYLALANINE ? 'C9 H11 N O2' 165.189 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 THR 'L-peptide linking' y THREONINE ? 'C4 H9 N O3' 119.119 TYR 'L-peptide linking' y TYROSINE ? 'C9 H11 N O3' 181.189 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 ILE 1 13 13 ILE ILE A . n A 1 2 GLY 2 14 14 GLY GLY A . n A 1 3 THR 3 15 15 THR THR A . n A 1 4 THR 4 16 16 THR THR A . n A 1 5 LEU 5 17 17 LEU LEU A . n A 1 6 VAL 6 18 18 VAL VAL A . n A 1 7 ALA 7 19 19 ALA ALA A . n A 1 8 LEU 8 20 20 LEU LEU A . n A 1 9 SER 9 21 21 SER SER A . n A 1 10 SER 10 22 22 SER SER A . n A 1 11 PHE 11 23 23 PHE PHE A . n A 1 12 THR 12 24 24 THR THR A . n A 1 13 PRO 13 25 25 PRO PRO A . n A 1 14 VAL 14 26 26 VAL VAL A . n A 1 15 LEU 15 27 27 LEU LEU A . n A 1 16 VAL 16 28 28 VAL VAL A . n A 1 17 ILE 17 29 29 ILE ILE A . n A 1 18 LEU 18 30 30 LEU LEU A . n A 1 19 LEU 19 31 31 LEU LEU A . n A 1 20 GLY 20 32 32 GLY GLY A . n A 1 21 VAL 21 33 33 VAL VAL A . n A 1 22 VAL 22 34 34 VAL VAL A . n A 1 23 GLY 23 35 35 GLY GLY A . n A 1 24 LEU 24 36 36 LEU LEU A . n A 1 25 SER 25 37 37 SER SER A . n A 1 26 ALA 26 38 38 ALA ALA A . n A 1 27 LEU 27 39 39 LEU LEU A . n A 1 28 THR 28 40 40 THR THR A . n A 1 29 GLY 29 41 41 GLY GLY A . n A 1 30 TYR 30 42 42 TYR TYR A . n A 1 31 LEU 31 43 43 LEU LEU A . n A 1 32 ASP 32 44 44 ASP ASP A . n A 1 33 TYR 33 45 45 TYR TYR A . n A 1 34 VAL 34 46 46 VAL VAL A . n A 1 35 LEU 35 47 47 LEU LEU A . n A 1 36 LEU 36 48 48 LEU LEU A . n A 1 37 PRO 37 49 49 PRO PRO A . n A 1 38 ALA 38 50 50 ALA ALA A . n A 1 39 LEU 39 51 51 LEU LEU A . n A 1 40 ALA 40 52 52 ALA ALA A . n A 1 41 ILE 41 53 53 ILE ILE A . n A 1 42 PHE 42 54 54 PHE PHE A . n A 1 43 ILE 43 55 55 ILE ILE A . n A 1 44 GLY 44 56 56 GLY GLY A . n A 1 45 LEU 45 57 57 LEU LEU A . n A 1 46 THR 46 58 58 THR THR A . n A 1 47 ILE 47 59 59 ILE ILE A . n A 1 48 TYR 48 60 60 TYR TYR A . n A 1 49 ALA 49 61 61 ALA ALA A . n A 1 50 ILE 50 62 62 ILE ILE A . n A 1 51 GLN 51 63 63 GLN GLN A . n A 1 52 ARG 52 64 64 ARG ARG A . n A 1 53 LYS 53 65 65 LYS LYS A . n A 1 54 ARG 54 66 66 ARG ARG A . n A 1 55 GLN 55 67 67 GLN GLN A . n A 1 56 ALA 56 68 68 ALA ALA A . n A 1 57 ASP 57 69 69 ASP ASP A . n A 1 58 ALA 58 70 70 ALA ALA A . n A 1 59 SER 59 71 71 SER SER A . n A 1 60 SER 60 72 72 SER SER 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.crystals_number ? _exptl.details ? _exptl.entry_id 2LJ2 _exptl.method 'SOLID-STATE NMR' _exptl.method_details ? # _struct.entry_id 2LJ2 _struct.title 'Integral membrane core domain of the mercury transporter MerF in lipid bilayer membranes' _struct.pdbx_model_details 'lowest energy, model 1' _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2LJ2 _struct_keywords.pdbx_keywords 'MEMBRANE PROTEIN' _struct_keywords.text 'membrane protein, mercury transporter, lipid bilayers' # _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 UNP _struct_ref.db_code Q56446_MORMO _struct_ref.pdbx_db_accession Q56446 _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code IGTTLVALCCFTPVLVILLGVVGLSALTGYLDYVLLPALAIFIGLTIYAIQRKRQADACC _struct_ref.pdbx_align_begin 13 _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 2LJ2 _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 60 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession Q56446 _struct_ref_seq.db_align_beg 13 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 72 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 13 _struct_ref_seq.pdbx_auth_seq_align_end 72 # loop_ _struct_ref_seq_dif.align_id _struct_ref_seq_dif.pdbx_pdb_id_code _struct_ref_seq_dif.mon_id _struct_ref_seq_dif.pdbx_pdb_strand_id _struct_ref_seq_dif.seq_num _struct_ref_seq_dif.pdbx_pdb_ins_code _struct_ref_seq_dif.pdbx_seq_db_name _struct_ref_seq_dif.pdbx_seq_db_accession_code _struct_ref_seq_dif.db_mon_id _struct_ref_seq_dif.pdbx_seq_db_seq_num _struct_ref_seq_dif.details _struct_ref_seq_dif.pdbx_auth_seq_num _struct_ref_seq_dif.pdbx_ordinal 1 2LJ2 SER A 9 ? UNP Q56446 CYS 21 conflict 21 1 1 2LJ2 SER A 10 ? UNP Q56446 CYS 22 conflict 22 2 1 2LJ2 SER A 59 ? UNP Q56446 CYS 71 conflict 71 3 1 2LJ2 SER A 60 ? UNP Q56446 CYS 72 conflict 72 4 # _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 # _struct_biol.id 1 _struct_biol.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 1 ILE A 1 ? SER A 9 ? ILE A 13 SER A 21 1 ? 9 HELX_P HELX_P2 2 SER A 10 ? ALA A 26 ? SER A 22 ALA A 38 1 ? 17 HELX_P HELX_P3 3 LEU A 27 ? GLY A 29 ? LEU A 39 GLY A 41 5 ? 3 HELX_P HELX_P4 4 LEU A 39 ? ALA A 56 ? LEU A 51 ALA A 68 1 ? 18 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # 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 O A ALA 38 ? ? H A GLY 41 ? ? 1.53 2 2 O A ALA 38 ? ? H A GLY 41 ? ? 1.52 3 3 O A PHE 23 ? ? H A LEU 27 ? ? 1.57 4 3 O A GLN 63 ? ? H A GLN 67 ? ? 1.57 5 3 O A ALA 38 ? ? H A GLY 41 ? ? 1.58 6 4 O A ALA 38 ? ? H A GLY 41 ? ? 1.53 7 4 O A GLN 63 ? ? H A GLN 67 ? ? 1.57 8 5 O A GLN 67 ? ? H A ASP 69 ? ? 1.53 9 6 O A GLN 63 ? ? H A GLN 67 ? ? 1.58 10 6 O A ASP 69 ? ? H A SER 71 ? ? 1.59 11 7 O A PHE 23 ? ? H A LEU 27 ? ? 1.55 12 7 O A GLN 63 ? ? H A GLN 67 ? ? 1.57 13 7 O A ALA 38 ? ? H A GLY 41 ? ? 1.57 14 8 O A PHE 23 ? ? H A LEU 27 ? ? 1.56 15 8 O A GLN 63 ? ? H A GLN 67 ? ? 1.56 16 9 O A PHE 23 ? ? H A LEU 27 ? ? 1.56 17 9 O A ALA 38 ? ? H A GLY 41 ? ? 1.58 18 9 O A GLN 67 ? ? H A ASP 69 ? ? 1.60 19 10 O A PHE 23 ? ? H A LEU 27 ? ? 1.58 # 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 ALA A 68 ? ? 31.37 65.62 2 1 ASP A 69 ? ? 54.43 -80.95 3 1 ALA A 70 ? ? 79.40 -148.75 4 2 ALA A 70 ? ? 53.19 92.13 5 3 ASP A 69 ? ? -177.04 67.04 6 4 ALA A 68 ? ? -80.40 39.64 7 4 ASP A 69 ? ? -171.52 -176.64 8 4 ALA A 70 ? ? 63.62 -81.84 9 4 SER A 71 ? ? 43.05 18.73 10 5 ALA A 68 ? ? 64.91 -40.92 11 5 ASP A 69 ? ? 176.60 -68.90 12 6 ALA A 68 ? ? -70.65 46.37 13 6 ASP A 69 ? ? -79.61 -109.44 14 6 ALA A 70 ? ? 67.29 -57.91 15 7 ALA A 68 ? ? 35.10 86.19 16 7 ALA A 70 ? ? -86.67 33.37 17 8 ALA A 68 ? ? -75.99 43.94 18 8 ASP A 69 ? ? 48.06 88.79 19 9 ALA A 68 ? ? 67.28 -39.38 20 9 SER A 71 ? ? 44.23 96.44 21 10 ALA A 68 ? ? -74.65 43.66 22 10 ASP A 69 ? ? 55.36 81.71 # _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 'structures with the lowest energy' _pdbx_nmr_ensemble.conformers_calculated_total_number 100 _pdbx_nmr_ensemble.conformers_submitted_total_number 10 _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.entry_id 2LJ2 _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 2LJ2 _pdbx_nmr_representative.selection_criteria 'lowest energy' # _pdbx_nmr_sample_details.contents '3.6 mg [U-100% 13C; U-100% 15N] MerFt, H2O' _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.solvent_system H2O # _pdbx_nmr_exptl_sample.component MerFt-1 _pdbx_nmr_exptl_sample.concentration 3.6 _pdbx_nmr_exptl_sample.concentration_range ? _pdbx_nmr_exptl_sample.concentration_units mg/mL _pdbx_nmr_exptl_sample.isotopic_labeling '[U-100% 13C; U-100% 15N]' _pdbx_nmr_exptl_sample.solution_id 1 # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.ionic_strength 10 _pdbx_nmr_exptl_sample_conditions.pH 6.1 _pdbx_nmr_exptl_sample_conditions.pressure ambient _pdbx_nmr_exptl_sample_conditions.pressure_units ? _pdbx_nmr_exptl_sample_conditions.temperature 298 _pdbx_nmr_exptl_sample_conditions.temperature_units K # loop_ _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.type 1 1 1 NCACX 2 1 1 SLF 3 1 1 PDSD # _pdbx_nmr_details.entry_id 2LJ2 _pdbx_nmr_details.text 'Data were collected on a single sample. Experiments are described in related publication.' # _pdbx_nmr_refine.entry_id 2LJ2 _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ;THE ANI COORDINATES HAVE BEEN INCLUDED IN THE RESTRAINT FILE. THE ANI Z AXIS SPECIFIES THE DIRECTION OF THE NORMAL TO THE PLANE OF THE LIPID BILAYER MEMBRANE. ; _pdbx_nmr_refine.software_ordinal 1 # loop_ _pdbx_nmr_software.authors _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.ordinal Goddard 'data analysis' Sparky ? 1 'Schwieters, Kuszewski, Tjandra and Clore' 'structure solution' 'X-PLOR NIH' ? 2 'Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax' 'data analysis' NMRPipe ? 3 'Schwieters, Kuszewski, Tjandra and Clore' refinement 'X-PLOR NIH' ? 4 # 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 ALA N N N N 1 ALA CA C N S 2 ALA C C N N 3 ALA O O N N 4 ALA CB C N N 5 ALA OXT O N N 6 ALA H H N N 7 ALA H2 H N N 8 ALA HA H N N 9 ALA HB1 H N N 10 ALA HB2 H N N 11 ALA HB3 H N N 12 ALA HXT H N N 13 ARG N N N N 14 ARG CA C N S 15 ARG C C N N 16 ARG O O N N 17 ARG CB C N N 18 ARG CG C N N 19 ARG CD C N N 20 ARG NE N N N 21 ARG CZ C N N 22 ARG NH1 N N N 23 ARG NH2 N N N 24 ARG OXT O N N 25 ARG H H N N 26 ARG H2 H N N 27 ARG HA H N N 28 ARG HB2 H N N 29 ARG HB3 H N N 30 ARG HG2 H N N 31 ARG HG3 H N N 32 ARG HD2 H N N 33 ARG HD3 H N N 34 ARG HE H N N 35 ARG HH11 H N N 36 ARG HH12 H N N 37 ARG HH21 H N N 38 ARG HH22 H N N 39 ARG HXT H N N 40 ASP N N N N 41 ASP CA C N S 42 ASP C C N N 43 ASP O O N N 44 ASP CB C N N 45 ASP CG C N N 46 ASP OD1 O N N 47 ASP OD2 O N N 48 ASP OXT O N N 49 ASP H H N N 50 ASP H2 H N N 51 ASP HA H N N 52 ASP HB2 H N N 53 ASP HB3 H N N 54 ASP HD2 H N N 55 ASP HXT H N N 56 CYS N N N N 57 CYS CA C N R 58 CYS C C N N 59 CYS O O N N 60 CYS CB C N N 61 CYS SG S N N 62 CYS OXT O N N 63 CYS H H N N 64 CYS H2 H N N 65 CYS HA H N N 66 CYS HB2 H N N 67 CYS HB3 H N N 68 CYS HG H N N 69 CYS HXT H N N 70 GLN N N N N 71 GLN CA C N S 72 GLN C C N N 73 GLN O O N N 74 GLN CB C N N 75 GLN CG C N N 76 GLN CD C N N 77 GLN OE1 O N N 78 GLN NE2 N N N 79 GLN OXT O N N 80 GLN H H N N 81 GLN H2 H N N 82 GLN HA H N N 83 GLN HB2 H N N 84 GLN HB3 H N N 85 GLN HG2 H N N 86 GLN HG3 H N N 87 GLN HE21 H N N 88 GLN HE22 H N N 89 GLN HXT H N N 90 GLY N N N N 91 GLY CA C N N 92 GLY C C N N 93 GLY O O N N 94 GLY OXT O N N 95 GLY H H N N 96 GLY H2 H N N 97 GLY HA2 H N N 98 GLY HA3 H N N 99 GLY HXT H N N 100 ILE N N N N 101 ILE CA C N S 102 ILE C C N N 103 ILE O O N N 104 ILE CB C N S 105 ILE CG1 C N N 106 ILE CG2 C N N 107 ILE CD1 C N N 108 ILE OXT O N N 109 ILE H H N N 110 ILE H2 H N N 111 ILE HA H N N 112 ILE HB H N N 113 ILE HG12 H N N 114 ILE HG13 H N N 115 ILE HG21 H N N 116 ILE HG22 H N N 117 ILE HG23 H N N 118 ILE HD11 H N N 119 ILE HD12 H N N 120 ILE HD13 H N N 121 ILE HXT H N N 122 LEU N N N N 123 LEU CA C N S 124 LEU C C N N 125 LEU O O N N 126 LEU CB C N N 127 LEU CG C N N 128 LEU CD1 C N N 129 LEU CD2 C N N 130 LEU OXT O N N 131 LEU H H N N 132 LEU H2 H N N 133 LEU HA H N N 134 LEU HB2 H N N 135 LEU HB3 H N N 136 LEU HG H N N 137 LEU HD11 H N N 138 LEU HD12 H N N 139 LEU HD13 H N N 140 LEU HD21 H N N 141 LEU HD22 H N N 142 LEU HD23 H N N 143 LEU HXT H N N 144 LYS N N N N 145 LYS CA C N S 146 LYS C C N N 147 LYS O O N N 148 LYS CB C N N 149 LYS CG C N N 150 LYS CD C N N 151 LYS CE C N N 152 LYS NZ N N N 153 LYS OXT O N N 154 LYS H H N N 155 LYS H2 H N N 156 LYS HA H N N 157 LYS HB2 H N N 158 LYS HB3 H N N 159 LYS HG2 H N N 160 LYS HG3 H N N 161 LYS HD2 H N N 162 LYS HD3 H N N 163 LYS HE2 H N N 164 LYS HE3 H N N 165 LYS HZ1 H N N 166 LYS HZ2 H N N 167 LYS HZ3 H N N 168 LYS HXT H N N 169 PHE N N N N 170 PHE CA C N S 171 PHE C C N N 172 PHE O O N N 173 PHE CB C N N 174 PHE CG C Y N 175 PHE CD1 C Y N 176 PHE CD2 C Y N 177 PHE CE1 C Y N 178 PHE CE2 C Y N 179 PHE CZ C Y N 180 PHE OXT O N N 181 PHE H H N N 182 PHE H2 H N N 183 PHE HA H N N 184 PHE HB2 H N N 185 PHE HB3 H N N 186 PHE HD1 H N N 187 PHE HD2 H N N 188 PHE HE1 H N N 189 PHE HE2 H N N 190 PHE HZ H N N 191 PHE HXT H N N 192 PRO N N N N 193 PRO CA C N S 194 PRO C C N N 195 PRO O O N N 196 PRO CB C N N 197 PRO CG C N N 198 PRO CD C N N 199 PRO OXT O N N 200 PRO H H N N 201 PRO HA H N N 202 PRO HB2 H N N 203 PRO HB3 H N N 204 PRO HG2 H N N 205 PRO HG3 H N N 206 PRO HD2 H N N 207 PRO HD3 H N N 208 PRO HXT H N N 209 SER N N N N 210 SER CA C N S 211 SER C C N N 212 SER O O N N 213 SER CB C N N 214 SER OG O N N 215 SER OXT O N N 216 SER H H N N 217 SER H2 H N N 218 SER HA H N N 219 SER HB2 H N N 220 SER HB3 H N N 221 SER HG H N N 222 SER HXT H N N 223 THR N N N N 224 THR CA C N S 225 THR C C N N 226 THR O O N N 227 THR CB C N R 228 THR OG1 O N N 229 THR CG2 C N N 230 THR OXT O N N 231 THR H H N N 232 THR H2 H N N 233 THR HA H N N 234 THR HB H N N 235 THR HG1 H N N 236 THR HG21 H N N 237 THR HG22 H N N 238 THR HG23 H N N 239 THR HXT H N N 240 TYR N N N N 241 TYR CA C N S 242 TYR C C N N 243 TYR O O N N 244 TYR CB C N N 245 TYR CG C Y N 246 TYR CD1 C Y N 247 TYR CD2 C Y N 248 TYR CE1 C Y N 249 TYR CE2 C Y N 250 TYR CZ C Y N 251 TYR OH O N N 252 TYR OXT O N N 253 TYR H H N N 254 TYR H2 H N N 255 TYR HA H N N 256 TYR HB2 H N N 257 TYR HB3 H N N 258 TYR HD1 H N N 259 TYR HD2 H N N 260 TYR HE1 H N N 261 TYR HE2 H N N 262 TYR HH H N N 263 TYR HXT H N N 264 VAL N N N N 265 VAL CA C N S 266 VAL C C N N 267 VAL O O N N 268 VAL CB C N N 269 VAL CG1 C N N 270 VAL CG2 C N N 271 VAL OXT O N N 272 VAL H H N N 273 VAL H2 H N N 274 VAL HA H N N 275 VAL HB H N N 276 VAL HG11 H N N 277 VAL HG12 H N N 278 VAL HG13 H N N 279 VAL HG21 H N N 280 VAL HG22 H N N 281 VAL HG23 H N N 282 VAL HXT H N N 283 # 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 ALA N CA sing N N 1 ALA N H sing N N 2 ALA N H2 sing N N 3 ALA CA C sing N N 4 ALA CA CB sing N N 5 ALA CA HA sing N N 6 ALA C O doub N N 7 ALA C OXT sing N N 8 ALA CB HB1 sing N N 9 ALA CB HB2 sing N N 10 ALA CB HB3 sing N N 11 ALA OXT HXT sing N N 12 ARG N CA sing N N 13 ARG N H sing N N 14 ARG N H2 sing N N 15 ARG CA C sing N N 16 ARG CA CB sing N N 17 ARG CA HA sing N N 18 ARG C O doub N N 19 ARG C OXT sing N N 20 ARG CB CG sing N N 21 ARG CB HB2 sing N N 22 ARG CB HB3 sing N N 23 ARG CG CD sing N N 24 ARG CG HG2 sing N N 25 ARG CG HG3 sing N N 26 ARG CD NE sing N N 27 ARG CD HD2 sing N N 28 ARG CD HD3 sing N N 29 ARG NE CZ sing N N 30 ARG NE HE sing N N 31 ARG CZ NH1 sing N N 32 ARG CZ NH2 doub N N 33 ARG NH1 HH11 sing N N 34 ARG NH1 HH12 sing N N 35 ARG NH2 HH21 sing N N 36 ARG NH2 HH22 sing N N 37 ARG OXT HXT sing N N 38 ASP N CA sing N N 39 ASP N H sing N N 40 ASP N H2 sing N N 41 ASP CA C sing N N 42 ASP CA CB sing N N 43 ASP CA HA sing N N 44 ASP C O doub N N 45 ASP C OXT sing N N 46 ASP CB CG sing N N 47 ASP CB HB2 sing N N 48 ASP CB HB3 sing N N 49 ASP CG OD1 doub N N 50 ASP CG OD2 sing N N 51 ASP OD2 HD2 sing N N 52 ASP OXT HXT sing N N 53 CYS N CA sing N N 54 CYS N H sing N N 55 CYS N H2 sing N N 56 CYS CA C sing N N 57 CYS CA CB sing N N 58 CYS CA HA sing N N 59 CYS C O doub N N 60 CYS C OXT sing N N 61 CYS CB SG sing N N 62 CYS CB HB2 sing N N 63 CYS CB HB3 sing N N 64 CYS SG HG sing N N 65 CYS OXT HXT sing N N 66 GLN N CA sing N N 67 GLN N H sing N N 68 GLN N H2 sing N N 69 GLN CA C sing N N 70 GLN CA CB sing N N 71 GLN CA HA sing N N 72 GLN C O doub N N 73 GLN C OXT sing N N 74 GLN CB CG sing N N 75 GLN CB HB2 sing N N 76 GLN CB HB3 sing N N 77 GLN CG CD sing N N 78 GLN CG HG2 sing N N 79 GLN CG HG3 sing N N 80 GLN CD OE1 doub N N 81 GLN CD NE2 sing N N 82 GLN NE2 HE21 sing N N 83 GLN NE2 HE22 sing N N 84 GLN OXT HXT sing N N 85 GLY N CA sing N N 86 GLY N H sing N N 87 GLY N H2 sing N N 88 GLY CA C sing N N 89 GLY CA HA2 sing N N 90 GLY CA HA3 sing N N 91 GLY C O doub N N 92 GLY C OXT sing N N 93 GLY OXT HXT sing N N 94 ILE N CA sing N N 95 ILE N H sing N N 96 ILE N H2 sing N N 97 ILE CA C sing N N 98 ILE CA CB sing N N 99 ILE CA HA sing N N 100 ILE C O doub N N 101 ILE C OXT sing N N 102 ILE CB CG1 sing N N 103 ILE CB CG2 sing N N 104 ILE CB HB sing N N 105 ILE CG1 CD1 sing N N 106 ILE CG1 HG12 sing N N 107 ILE CG1 HG13 sing N N 108 ILE CG2 HG21 sing N N 109 ILE CG2 HG22 sing N N 110 ILE CG2 HG23 sing N N 111 ILE CD1 HD11 sing N N 112 ILE CD1 HD12 sing N N 113 ILE CD1 HD13 sing N N 114 ILE OXT HXT sing N N 115 LEU N CA sing N N 116 LEU N H sing N N 117 LEU N H2 sing N N 118 LEU CA C sing N N 119 LEU CA CB sing N N 120 LEU CA HA sing N N 121 LEU C O doub N N 122 LEU C OXT sing N N 123 LEU CB CG sing N N 124 LEU CB HB2 sing N N 125 LEU CB HB3 sing N N 126 LEU CG CD1 sing N N 127 LEU CG CD2 sing N N 128 LEU CG HG sing N N 129 LEU CD1 HD11 sing N N 130 LEU CD1 HD12 sing N N 131 LEU CD1 HD13 sing N N 132 LEU CD2 HD21 sing N N 133 LEU CD2 HD22 sing N N 134 LEU CD2 HD23 sing N N 135 LEU OXT HXT sing N N 136 LYS N CA sing N N 137 LYS N H sing N N 138 LYS N H2 sing N N 139 LYS CA C sing N N 140 LYS CA CB sing N N 141 LYS CA HA sing N N 142 LYS C O doub N N 143 LYS C OXT sing N N 144 LYS CB CG sing N N 145 LYS CB HB2 sing N N 146 LYS CB HB3 sing N N 147 LYS CG CD sing N N 148 LYS CG HG2 sing N N 149 LYS CG HG3 sing N N 150 LYS CD CE sing N N 151 LYS CD HD2 sing N N 152 LYS CD HD3 sing N N 153 LYS CE NZ sing N N 154 LYS CE HE2 sing N N 155 LYS CE HE3 sing N N 156 LYS NZ HZ1 sing N N 157 LYS NZ HZ2 sing N N 158 LYS NZ HZ3 sing N N 159 LYS OXT HXT sing N N 160 PHE N CA sing N N 161 PHE N H sing N N 162 PHE N H2 sing N N 163 PHE CA C sing N N 164 PHE CA CB sing N N 165 PHE CA HA sing N N 166 PHE C O doub N N 167 PHE C OXT sing N N 168 PHE CB CG sing N N 169 PHE CB HB2 sing N N 170 PHE CB HB3 sing N N 171 PHE CG CD1 doub Y N 172 PHE CG CD2 sing Y N 173 PHE CD1 CE1 sing Y N 174 PHE CD1 HD1 sing N N 175 PHE CD2 CE2 doub Y N 176 PHE CD2 HD2 sing N N 177 PHE CE1 CZ doub Y N 178 PHE CE1 HE1 sing N N 179 PHE CE2 CZ sing Y N 180 PHE CE2 HE2 sing N N 181 PHE CZ HZ sing N N 182 PHE OXT HXT sing N N 183 PRO N CA sing N N 184 PRO N CD sing N N 185 PRO N H sing N N 186 PRO CA C sing N N 187 PRO CA CB sing N N 188 PRO CA HA sing N N 189 PRO C O doub N N 190 PRO C OXT sing N N 191 PRO CB CG sing N N 192 PRO CB HB2 sing N N 193 PRO CB HB3 sing N N 194 PRO CG CD sing N N 195 PRO CG HG2 sing N N 196 PRO CG HG3 sing N N 197 PRO CD HD2 sing N N 198 PRO CD HD3 sing N N 199 PRO OXT HXT sing N N 200 SER N CA sing N N 201 SER N H sing N N 202 SER N H2 sing N N 203 SER CA C sing N N 204 SER CA CB sing N N 205 SER CA HA sing N N 206 SER C O doub N N 207 SER C OXT sing N N 208 SER CB OG sing N N 209 SER CB HB2 sing N N 210 SER CB HB3 sing N N 211 SER OG HG sing N N 212 SER OXT HXT sing N N 213 THR N CA sing N N 214 THR N H sing N N 215 THR N H2 sing N N 216 THR CA C sing N N 217 THR CA CB sing N N 218 THR CA HA sing N N 219 THR C O doub N N 220 THR C OXT sing N N 221 THR CB OG1 sing N N 222 THR CB CG2 sing N N 223 THR CB HB sing N N 224 THR OG1 HG1 sing N N 225 THR CG2 HG21 sing N N 226 THR CG2 HG22 sing N N 227 THR CG2 HG23 sing N N 228 THR OXT HXT sing N N 229 TYR N CA sing N N 230 TYR N H sing N N 231 TYR N H2 sing N N 232 TYR CA C sing N N 233 TYR CA CB sing N N 234 TYR CA HA sing N N 235 TYR C O doub N N 236 TYR C OXT sing N N 237 TYR CB CG sing N N 238 TYR CB HB2 sing N N 239 TYR CB HB3 sing N N 240 TYR CG CD1 doub Y N 241 TYR CG CD2 sing Y N 242 TYR CD1 CE1 sing Y N 243 TYR CD1 HD1 sing N N 244 TYR CD2 CE2 doub Y N 245 TYR CD2 HD2 sing N N 246 TYR CE1 CZ doub Y N 247 TYR CE1 HE1 sing N N 248 TYR CE2 CZ sing Y N 249 TYR CE2 HE2 sing N N 250 TYR CZ OH sing N N 251 TYR OH HH sing N N 252 TYR OXT HXT sing N N 253 VAL N CA sing N N 254 VAL N H sing N N 255 VAL N H2 sing N N 256 VAL CA C sing N N 257 VAL CA CB sing N N 258 VAL CA HA sing N N 259 VAL C O doub N N 260 VAL C OXT sing N N 261 VAL CB CG1 sing N N 262 VAL CB CG2 sing N N 263 VAL CB HB sing N N 264 VAL CG1 HG11 sing N N 265 VAL CG1 HG12 sing N N 266 VAL CG1 HG13 sing N N 267 VAL CG2 HG21 sing N N 268 VAL CG2 HG22 sing N N 269 VAL CG2 HG23 sing N N 270 VAL OXT HXT sing N N 271 # _pdbx_nmr_spectrometer.field_strength 750 _pdbx_nmr_spectrometer.manufacturer Bruker _pdbx_nmr_spectrometer.model AVANCE _pdbx_nmr_spectrometer.spectrometer_id 1 _pdbx_nmr_spectrometer.type 'Bruker Avance' # _atom_sites.entry_id 2LJ2 _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_