data_2KWX # _entry.id 2KWX # _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 2KWX pdb_00002kwx 10.2210/pdb2kwx/pdb RCSB RCSB101675 ? ? WWPDB D_1000101675 ? ? # 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 2010-09-29 2 'Structure model' 1 1 2011-07-13 3 'Structure model' 1 2 2021-10-06 4 'Structure model' 1 3 2024-05-22 # _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' 'Data collection' 3 3 'Structure model' 'Database references' 4 4 'Structure model' 'Data collection' # 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_nmr_software 3 3 'Structure model' pdbx_nmr_spectrometer 4 3 'Structure model' struct_ref_seq_dif 5 4 'Structure model' chem_comp_atom 6 4 'Structure model' chem_comp_bond # 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_nmr_software.name' 4 3 'Structure model' '_pdbx_nmr_spectrometer.model' 5 3 'Structure model' '_struct_ref_seq_dif.details' # _pdbx_database_status.deposit_site BMRB _pdbx_database_status.entry_id 2KWX _pdbx_database_status.process_site RCSB _pdbx_database_status.recvd_initial_deposition_date 2010-04-20 _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.pdb_format_compatible Y _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? # loop_ _pdbx_database_related.content_type _pdbx_database_related.db_id _pdbx_database_related.db_name _pdbx_database_related.details unspecified 2RLF PDB 'Influenza A wildtype M2 channel' unspecified 2KIH PDB 'S31N mutant of M2 proton channel' # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Pielak, R.M.' 1 'Chou, J.J.' 2 # _citation.id primary _citation.title 'Solution NMR structure of the V27A drug resistant mutant of influenza A M2 channel.' _citation.journal_abbrev Biochem.Biophys.Res.Commun. _citation.journal_volume 401 _citation.page_first 58 _citation.page_last 63 _citation.year 2010 _citation.journal_id_ASTM BBRCA9 _citation.country US _citation.journal_id_ISSN 0006-291X _citation.journal_id_CSD 0146 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 20833142 _citation.pdbx_database_id_DOI 10.1016/j.bbrc.2010.09.008 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Pielak, R.M.' 1 ? primary 'Chou, J.J.' 2 ? # _entity.id 1 _entity.type polymer _entity.src_method man _entity.pdbx_description 'Matrix protein 2' _entity.formula_weight 4420.292 _entity.pdbx_number_of_molecules 4 _entity.pdbx_ec ? _entity.pdbx_mutation 'V27A, C50S' _entity.pdbx_fragment 'UNP residues 23-60, proton conducting domain' _entity.details ? # _entity_name_com.entity_id 1 _entity_name_com.name 'Proton channel protein M2' # _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 SDPLAVAASIIGILHLILWILDRLFFKSIYRFFEHGLK _entity_poly.pdbx_seq_one_letter_code_can SDPLAVAASIIGILHLILWILDRLFFKSIYRFFEHGLK _entity_poly.pdbx_strand_id A,B,C,D _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 SER n 1 2 ASP n 1 3 PRO n 1 4 LEU n 1 5 ALA n 1 6 VAL n 1 7 ALA n 1 8 ALA n 1 9 SER n 1 10 ILE n 1 11 ILE n 1 12 GLY n 1 13 ILE n 1 14 LEU n 1 15 HIS n 1 16 LEU n 1 17 ILE n 1 18 LEU n 1 19 TRP n 1 20 ILE n 1 21 LEU n 1 22 ASP n 1 23 ARG n 1 24 LEU n 1 25 PHE n 1 26 PHE n 1 27 LYS n 1 28 SER n 1 29 ILE n 1 30 TYR n 1 31 ARG n 1 32 PHE n 1 33 PHE n 1 34 GLU n 1 35 HIS n 1 36 GLY n 1 37 LEU n 1 38 LYS 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 M _entity_src_gen.gene_src_species ? _entity_src_gen.gene_src_strain 'A/UDORN/307/1972 H3N2' _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 'Influenza A virus' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 381517 _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 ? _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 PMMHB _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 GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4' 147.129 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 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 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 TRP 'L-peptide linking' y TRYPTOPHAN ? 'C11 H12 N2 O2' 204.225 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 SER 1 23 23 SER SER A . n A 1 2 ASP 2 24 24 ASP ASP A . n A 1 3 PRO 3 25 25 PRO PRO A . n A 1 4 LEU 4 26 26 LEU LEU A . n A 1 5 ALA 5 27 27 ALA ALA A . n A 1 6 VAL 6 28 28 VAL VAL A . n A 1 7 ALA 7 29 29 ALA ALA A . n A 1 8 ALA 8 30 30 ALA ALA A . n A 1 9 SER 9 31 31 SER SER A . n A 1 10 ILE 10 32 32 ILE ILE A . n A 1 11 ILE 11 33 33 ILE ILE A . n A 1 12 GLY 12 34 34 GLY GLY A . n A 1 13 ILE 13 35 35 ILE ILE A . n A 1 14 LEU 14 36 36 LEU LEU A . n A 1 15 HIS 15 37 37 HIS HIS A . n A 1 16 LEU 16 38 38 LEU LEU A . n A 1 17 ILE 17 39 39 ILE ILE A . n A 1 18 LEU 18 40 40 LEU LEU A . n A 1 19 TRP 19 41 41 TRP TRP A . n A 1 20 ILE 20 42 42 ILE ILE A . n A 1 21 LEU 21 43 43 LEU LEU A . n A 1 22 ASP 22 44 44 ASP ASP A . n A 1 23 ARG 23 45 45 ARG ARG A . n A 1 24 LEU 24 46 46 LEU LEU A . n A 1 25 PHE 25 47 47 PHE PHE A . n A 1 26 PHE 26 48 48 PHE PHE A . n A 1 27 LYS 27 49 49 LYS LYS A . n A 1 28 SER 28 50 50 SER SER A . n A 1 29 ILE 29 51 51 ILE ILE A . n A 1 30 TYR 30 52 52 TYR TYR A . n A 1 31 ARG 31 53 53 ARG ARG A . n A 1 32 PHE 32 54 54 PHE PHE A . n A 1 33 PHE 33 55 55 PHE PHE A . n A 1 34 GLU 34 56 56 GLU GLU A . n A 1 35 HIS 35 57 57 HIS HIS A . n A 1 36 GLY 36 58 58 GLY GLY A . n A 1 37 LEU 37 59 59 LEU LEU A . n A 1 38 LYS 38 60 60 LYS LYS A . n B 1 1 SER 1 23 23 SER SER B . n B 1 2 ASP 2 24 24 ASP ASP B . n B 1 3 PRO 3 25 25 PRO PRO B . n B 1 4 LEU 4 26 26 LEU LEU B . n B 1 5 ALA 5 27 27 ALA ALA B . n B 1 6 VAL 6 28 28 VAL VAL B . n B 1 7 ALA 7 29 29 ALA ALA B . n B 1 8 ALA 8 30 30 ALA ALA B . n B 1 9 SER 9 31 31 SER SER B . n B 1 10 ILE 10 32 32 ILE ILE B . n B 1 11 ILE 11 33 33 ILE ILE B . n B 1 12 GLY 12 34 34 GLY GLY B . n B 1 13 ILE 13 35 35 ILE ILE B . n B 1 14 LEU 14 36 36 LEU LEU B . n B 1 15 HIS 15 37 37 HIS HIS B . n B 1 16 LEU 16 38 38 LEU LEU B . n B 1 17 ILE 17 39 39 ILE ILE B . n B 1 18 LEU 18 40 40 LEU LEU B . n B 1 19 TRP 19 41 41 TRP TRP B . n B 1 20 ILE 20 42 42 ILE ILE B . n B 1 21 LEU 21 43 43 LEU LEU B . n B 1 22 ASP 22 44 44 ASP ASP B . n B 1 23 ARG 23 45 45 ARG ARG B . n B 1 24 LEU 24 46 46 LEU LEU B . n B 1 25 PHE 25 47 47 PHE PHE B . n B 1 26 PHE 26 48 48 PHE PHE B . n B 1 27 LYS 27 49 49 LYS LYS B . n B 1 28 SER 28 50 50 SER SER B . n B 1 29 ILE 29 51 51 ILE ILE B . n B 1 30 TYR 30 52 52 TYR TYR B . n B 1 31 ARG 31 53 53 ARG ARG B . n B 1 32 PHE 32 54 54 PHE PHE B . n B 1 33 PHE 33 55 55 PHE PHE B . n B 1 34 GLU 34 56 56 GLU GLU B . n B 1 35 HIS 35 57 57 HIS HIS B . n B 1 36 GLY 36 58 58 GLY GLY B . n B 1 37 LEU 37 59 59 LEU LEU B . n B 1 38 LYS 38 60 60 LYS LYS B . n C 1 1 SER 1 23 23 SER SER C . n C 1 2 ASP 2 24 24 ASP ASP C . n C 1 3 PRO 3 25 25 PRO PRO C . n C 1 4 LEU 4 26 26 LEU LEU C . n C 1 5 ALA 5 27 27 ALA ALA C . n C 1 6 VAL 6 28 28 VAL VAL C . n C 1 7 ALA 7 29 29 ALA ALA C . n C 1 8 ALA 8 30 30 ALA ALA C . n C 1 9 SER 9 31 31 SER SER C . n C 1 10 ILE 10 32 32 ILE ILE C . n C 1 11 ILE 11 33 33 ILE ILE C . n C 1 12 GLY 12 34 34 GLY GLY C . n C 1 13 ILE 13 35 35 ILE ILE C . n C 1 14 LEU 14 36 36 LEU LEU C . n C 1 15 HIS 15 37 37 HIS HIS C . n C 1 16 LEU 16 38 38 LEU LEU C . n C 1 17 ILE 17 39 39 ILE ILE C . n C 1 18 LEU 18 40 40 LEU LEU C . n C 1 19 TRP 19 41 41 TRP TRP C . n C 1 20 ILE 20 42 42 ILE ILE C . n C 1 21 LEU 21 43 43 LEU LEU C . n C 1 22 ASP 22 44 44 ASP ASP C . n C 1 23 ARG 23 45 45 ARG ARG C . n C 1 24 LEU 24 46 46 LEU LEU C . n C 1 25 PHE 25 47 47 PHE PHE C . n C 1 26 PHE 26 48 48 PHE PHE C . n C 1 27 LYS 27 49 49 LYS LYS C . n C 1 28 SER 28 50 50 SER SER C . n C 1 29 ILE 29 51 51 ILE ILE C . n C 1 30 TYR 30 52 52 TYR TYR C . n C 1 31 ARG 31 53 53 ARG ARG C . n C 1 32 PHE 32 54 54 PHE PHE C . n C 1 33 PHE 33 55 55 PHE PHE C . n C 1 34 GLU 34 56 56 GLU GLU C . n C 1 35 HIS 35 57 57 HIS HIS C . n C 1 36 GLY 36 58 58 GLY GLY C . n C 1 37 LEU 37 59 59 LEU LEU C . n C 1 38 LYS 38 60 60 LYS LYS C . n D 1 1 SER 1 23 23 SER SER D . n D 1 2 ASP 2 24 24 ASP ASP D . n D 1 3 PRO 3 25 25 PRO PRO D . n D 1 4 LEU 4 26 26 LEU LEU D . n D 1 5 ALA 5 27 27 ALA ALA D . n D 1 6 VAL 6 28 28 VAL VAL D . n D 1 7 ALA 7 29 29 ALA ALA D . n D 1 8 ALA 8 30 30 ALA ALA D . n D 1 9 SER 9 31 31 SER SER D . n D 1 10 ILE 10 32 32 ILE ILE D . n D 1 11 ILE 11 33 33 ILE ILE D . n D 1 12 GLY 12 34 34 GLY GLY D . n D 1 13 ILE 13 35 35 ILE ILE D . n D 1 14 LEU 14 36 36 LEU LEU D . n D 1 15 HIS 15 37 37 HIS HIS D . n D 1 16 LEU 16 38 38 LEU LEU D . n D 1 17 ILE 17 39 39 ILE ILE D . n D 1 18 LEU 18 40 40 LEU LEU D . n D 1 19 TRP 19 41 41 TRP TRP D . n D 1 20 ILE 20 42 42 ILE ILE D . n D 1 21 LEU 21 43 43 LEU LEU D . n D 1 22 ASP 22 44 44 ASP ASP D . n D 1 23 ARG 23 45 45 ARG ARG D . n D 1 24 LEU 24 46 46 LEU LEU D . n D 1 25 PHE 25 47 47 PHE PHE D . n D 1 26 PHE 26 48 48 PHE PHE D . n D 1 27 LYS 27 49 49 LYS LYS D . n D 1 28 SER 28 50 50 SER SER D . n D 1 29 ILE 29 51 51 ILE ILE D . n D 1 30 TYR 30 52 52 TYR TYR D . n D 1 31 ARG 31 53 53 ARG ARG D . n D 1 32 PHE 32 54 54 PHE PHE D . n D 1 33 PHE 33 55 55 PHE PHE D . n D 1 34 GLU 34 56 56 GLU GLU D . n D 1 35 HIS 35 57 57 HIS HIS D . n D 1 36 GLY 36 58 58 GLY GLY D . n D 1 37 LEU 37 59 59 LEU LEU D . n D 1 38 LYS 38 60 60 LYS LYS D . n # loop_ _pdbx_unobs_or_zero_occ_atoms.id _pdbx_unobs_or_zero_occ_atoms.PDB_model_num _pdbx_unobs_or_zero_occ_atoms.polymer_flag _pdbx_unobs_or_zero_occ_atoms.occupancy_flag _pdbx_unobs_or_zero_occ_atoms.auth_asym_id _pdbx_unobs_or_zero_occ_atoms.auth_comp_id _pdbx_unobs_or_zero_occ_atoms.auth_seq_id _pdbx_unobs_or_zero_occ_atoms.PDB_ins_code _pdbx_unobs_or_zero_occ_atoms.auth_atom_id _pdbx_unobs_or_zero_occ_atoms.label_alt_id _pdbx_unobs_or_zero_occ_atoms.label_asym_id _pdbx_unobs_or_zero_occ_atoms.label_comp_id _pdbx_unobs_or_zero_occ_atoms.label_seq_id _pdbx_unobs_or_zero_occ_atoms.label_atom_id 1 1 Y 1 A LYS 60 ? O ? A LYS 38 O 2 1 Y 1 B LYS 60 ? O ? B LYS 38 O 3 1 Y 1 C LYS 60 ? O ? C LYS 38 O 4 1 Y 1 D LYS 60 ? O ? D LYS 38 O 5 2 Y 1 A LYS 60 ? O ? A LYS 38 O 6 2 Y 1 B LYS 60 ? O ? B LYS 38 O 7 2 Y 1 C LYS 60 ? O ? C LYS 38 O 8 2 Y 1 D LYS 60 ? O ? D LYS 38 O 9 3 Y 1 A LYS 60 ? O ? A LYS 38 O 10 3 Y 1 B LYS 60 ? O ? B LYS 38 O 11 3 Y 1 C LYS 60 ? O ? C LYS 38 O 12 3 Y 1 D LYS 60 ? O ? D LYS 38 O 13 4 Y 1 A LYS 60 ? O ? A LYS 38 O 14 4 Y 1 B LYS 60 ? O ? B LYS 38 O 15 4 Y 1 C LYS 60 ? O ? C LYS 38 O 16 4 Y 1 D LYS 60 ? O ? D LYS 38 O 17 5 Y 1 A LYS 60 ? O ? A LYS 38 O 18 5 Y 1 B LYS 60 ? O ? B LYS 38 O 19 5 Y 1 C LYS 60 ? O ? C LYS 38 O 20 5 Y 1 D LYS 60 ? O ? D LYS 38 O 21 6 Y 1 A LYS 60 ? O ? A LYS 38 O 22 6 Y 1 B LYS 60 ? O ? B LYS 38 O 23 6 Y 1 C LYS 60 ? O ? C LYS 38 O 24 6 Y 1 D LYS 60 ? O ? D LYS 38 O 25 7 Y 1 A LYS 60 ? O ? A LYS 38 O 26 7 Y 1 B LYS 60 ? O ? B LYS 38 O 27 7 Y 1 C LYS 60 ? O ? C LYS 38 O 28 7 Y 1 D LYS 60 ? O ? D LYS 38 O 29 8 Y 1 A LYS 60 ? O ? A LYS 38 O 30 8 Y 1 B LYS 60 ? O ? B LYS 38 O 31 8 Y 1 C LYS 60 ? O ? C LYS 38 O 32 8 Y 1 D LYS 60 ? O ? D LYS 38 O 33 9 Y 1 A LYS 60 ? O ? A LYS 38 O 34 9 Y 1 B LYS 60 ? O ? B LYS 38 O 35 9 Y 1 C LYS 60 ? O ? C LYS 38 O 36 9 Y 1 D LYS 60 ? O ? D LYS 38 O 37 10 Y 1 A LYS 60 ? O ? A LYS 38 O 38 10 Y 1 B LYS 60 ? O ? B LYS 38 O 39 10 Y 1 C LYS 60 ? O ? C LYS 38 O 40 10 Y 1 D LYS 60 ? O ? D LYS 38 O 41 11 Y 1 A LYS 60 ? O ? A LYS 38 O 42 11 Y 1 B LYS 60 ? O ? B LYS 38 O 43 11 Y 1 C LYS 60 ? O ? C LYS 38 O 44 11 Y 1 D LYS 60 ? O ? D LYS 38 O 45 12 Y 1 A LYS 60 ? O ? A LYS 38 O 46 12 Y 1 B LYS 60 ? O ? B LYS 38 O 47 12 Y 1 C LYS 60 ? O ? C LYS 38 O 48 12 Y 1 D LYS 60 ? O ? D LYS 38 O 49 13 Y 1 A LYS 60 ? O ? A LYS 38 O 50 13 Y 1 B LYS 60 ? O ? B LYS 38 O 51 13 Y 1 C LYS 60 ? O ? C LYS 38 O 52 13 Y 1 D LYS 60 ? O ? D LYS 38 O 53 14 Y 1 A LYS 60 ? O ? A LYS 38 O 54 14 Y 1 B LYS 60 ? O ? B LYS 38 O 55 14 Y 1 C LYS 60 ? O ? C LYS 38 O 56 14 Y 1 D LYS 60 ? O ? D LYS 38 O 57 15 Y 1 A LYS 60 ? O ? A LYS 38 O 58 15 Y 1 B LYS 60 ? O ? B LYS 38 O 59 15 Y 1 C LYS 60 ? O ? C LYS 38 O 60 15 Y 1 D LYS 60 ? O ? D LYS 38 O # _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 ;Solution NMR structure of residues 18-60 of the V27A drug-resistant mutant of influenza A M2 proton channel, determined in DHPC micelles at pH 7.5. ; _exptl.entry_id 2KWX _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 2KWX _struct.title 'The V27A mutant of influenza A M2 proton channel' _struct.pdbx_model_details 'lowest energy, model 1' _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2KWX _struct_keywords.pdbx_keywords 'TRANSPORT PROTEIN' _struct_keywords.text 'M2 proton channel, influenza A, V27A resistant mutant, TRANSPORT PROTEIN' # loop_ _struct_asym.id _struct_asym.pdbx_blank_PDB_chainid_flag _struct_asym.pdbx_modified _struct_asym.entity_id _struct_asym.details A N N 1 ? B N N 1 ? C N N 1 ? D N N 1 ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code M2_I72A2 _struct_ref.pdbx_db_accession P63231 _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code SDPLVVAASIIGILHLILWILDRLFFKCIYRFFEHGLK _struct_ref.pdbx_align_begin 23 _struct_ref.pdbx_db_isoform ? # loop_ _struct_ref_seq.align_id _struct_ref_seq.ref_id _struct_ref_seq.pdbx_PDB_id_code _struct_ref_seq.pdbx_strand_id _struct_ref_seq.seq_align_beg _struct_ref_seq.pdbx_seq_align_beg_ins_code _struct_ref_seq.seq_align_end _struct_ref_seq.pdbx_seq_align_end_ins_code _struct_ref_seq.pdbx_db_accession _struct_ref_seq.db_align_beg _struct_ref_seq.pdbx_db_align_beg_ins_code _struct_ref_seq.db_align_end _struct_ref_seq.pdbx_db_align_end_ins_code _struct_ref_seq.pdbx_auth_seq_align_beg _struct_ref_seq.pdbx_auth_seq_align_end 1 1 2KWX A 1 ? 38 ? P63231 23 ? 60 ? 23 60 2 1 2KWX B 1 ? 38 ? P63231 23 ? 60 ? 23 60 3 1 2KWX C 1 ? 38 ? P63231 23 ? 60 ? 23 60 4 1 2KWX D 1 ? 38 ? P63231 23 ? 60 ? 23 60 # 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 2KWX ALA A 5 ? UNP P63231 VAL 27 'engineered mutation' 27 1 1 2KWX SER A 28 ? UNP P63231 CYS 50 'engineered mutation' 50 2 2 2KWX ALA B 5 ? UNP P63231 VAL 27 'engineered mutation' 27 3 2 2KWX SER B 28 ? UNP P63231 CYS 50 'engineered mutation' 50 4 3 2KWX ALA C 5 ? UNP P63231 VAL 27 'engineered mutation' 27 5 3 2KWX SER C 28 ? UNP P63231 CYS 50 'engineered mutation' 50 6 4 2KWX ALA D 5 ? UNP P63231 VAL 27 'engineered mutation' 27 7 4 2KWX SER D 28 ? UNP P63231 CYS 50 'engineered mutation' 50 8 # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details tetrameric _pdbx_struct_assembly.oligomeric_count 4 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A,B,C,D # _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 ASP A 2 ? LEU A 24 ? ASP A 24 LEU A 46 1 ? 23 HELX_P HELX_P2 2 LYS A 27 ? LEU A 37 ? LYS A 49 LEU A 59 1 ? 11 HELX_P HELX_P3 3 ASP B 2 ? LEU B 24 ? ASP B 24 LEU B 46 1 ? 23 HELX_P HELX_P4 4 LYS B 27 ? LEU B 37 ? LYS B 49 LEU B 59 1 ? 11 HELX_P HELX_P5 5 ASP C 2 ? LEU C 24 ? ASP C 24 LEU C 46 1 ? 23 HELX_P HELX_P6 6 LYS C 27 ? LEU C 37 ? LYS C 49 LEU C 59 1 ? 11 HELX_P HELX_P7 7 ASP D 2 ? LEU D 24 ? ASP D 24 LEU D 46 1 ? 23 HELX_P HELX_P8 8 LYS D 27 ? LYS D 38 ? LYS D 49 LYS D 60 1 ? 12 # _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 4 O C SER 50 ? ? H C PHE 54 ? ? 1.57 2 15 HZ3 B LYS 60 ? ? HZ2 C LYS 49 ? ? 1.28 # 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 ASP A 24 ? ? -163.18 74.39 2 1 LEU A 46 ? ? -81.73 -131.30 3 1 PHE A 47 ? ? 62.47 101.31 4 1 ASP B 24 ? ? -159.86 70.16 5 1 PHE B 47 ? ? -162.53 -54.29 6 1 PHE B 48 ? ? -170.92 -60.31 7 1 LYS B 49 ? ? -147.87 18.46 8 1 ASP C 24 ? ? -157.71 72.29 9 1 LEU C 46 ? ? -84.08 -140.42 10 1 PHE C 47 ? ? 78.63 -164.22 11 1 PHE C 48 ? ? -57.03 81.46 12 1 LYS C 49 ? ? 33.27 53.34 13 1 LEU C 59 ? ? -93.21 31.26 14 1 ASP D 24 ? ? -166.06 63.11 15 1 PHE D 47 ? ? -174.19 -45.41 16 1 PHE D 48 ? ? -172.92 67.96 17 2 ASP A 24 ? ? -167.77 70.14 18 2 PHE A 47 ? ? -173.83 -33.92 19 2 PHE A 48 ? ? -172.52 45.49 20 2 LYS A 49 ? ? 73.28 40.69 21 2 PHE B 47 ? ? -175.04 -55.02 22 2 PHE B 48 ? ? -169.31 71.74 23 2 LEU B 59 ? ? -104.64 66.68 24 2 PHE C 47 ? ? -173.81 -39.83 25 2 PHE C 48 ? ? -169.51 -67.98 26 2 LYS C 49 ? ? -150.44 25.63 27 2 LEU C 59 ? ? -105.42 66.87 28 2 ASP D 24 ? ? -162.23 83.70 29 2 PHE D 47 ? ? -174.80 83.90 30 2 PHE D 48 ? ? 54.97 71.61 31 2 LEU D 59 ? ? -92.96 39.07 32 3 ASP A 24 ? ? 51.31 70.86 33 3 LEU A 46 ? ? -83.18 -77.05 34 3 PHE A 47 ? ? 46.69 -88.25 35 3 PHE A 48 ? ? -164.39 87.33 36 3 ASP B 24 ? ? -160.83 79.40 37 3 LEU B 46 ? ? -113.74 -120.49 38 3 PHE B 47 ? ? 68.06 -35.29 39 3 PHE B 48 ? ? -169.06 42.97 40 3 LEU B 59 ? ? -79.85 -73.76 41 3 ASP C 24 ? ? -177.54 56.53 42 3 LEU C 46 ? ? -108.17 -164.34 43 3 PHE C 47 ? ? 74.42 -11.12 44 3 LYS C 49 ? ? -72.52 42.38 45 3 LEU C 59 ? ? -90.67 57.21 46 3 ASP D 24 ? ? 48.43 90.06 47 3 PHE D 47 ? ? -173.67 91.89 48 3 LEU D 59 ? ? -152.86 88.00 49 4 ASP A 24 ? ? 46.01 73.38 50 4 PHE A 47 ? ? -173.95 -43.61 51 4 PHE A 48 ? ? -172.48 67.84 52 4 ASP B 24 ? ? -160.04 80.87 53 4 PHE B 47 ? ? -175.46 87.79 54 4 LEU B 59 ? ? -81.89 -72.36 55 4 ASP C 24 ? ? -159.96 71.30 56 4 LEU C 46 ? ? -72.28 -76.87 57 4 PHE C 47 ? ? 52.40 -177.88 58 4 LYS C 49 ? ? -171.91 48.98 59 4 ASP D 24 ? ? -157.19 58.54 60 4 LEU D 46 ? ? -105.76 -167.39 61 4 PHE D 47 ? ? 72.86 124.96 62 4 LEU D 59 ? ? -80.69 43.00 63 5 ASP A 24 ? ? 177.01 55.44 64 5 LEU A 46 ? ? -97.48 33.62 65 5 LEU A 59 ? ? -88.18 49.55 66 5 ASP B 24 ? ? -160.82 76.12 67 5 PHE B 47 ? ? -174.04 -64.51 68 5 PHE B 48 ? ? -161.25 83.65 69 5 PHE C 47 ? ? -174.22 102.36 70 5 ASP D 24 ? ? -160.55 75.60 71 5 PHE D 47 ? ? -174.61 -43.80 72 5 PHE D 48 ? ? -165.81 63.93 73 6 PHE A 47 ? ? -163.55 -94.97 74 6 LEU A 59 ? ? -92.24 56.30 75 6 ASP B 24 ? ? -160.01 73.34 76 6 PHE B 47 ? ? -165.78 79.23 77 6 ASP C 24 ? ? 46.15 75.30 78 6 LEU C 46 ? ? -82.25 -72.70 79 6 PHE C 47 ? ? 57.76 -77.91 80 6 PHE C 48 ? ? -158.84 -40.19 81 6 LYS C 49 ? ? -173.59 31.20 82 6 ASP D 24 ? ? -172.26 68.25 83 6 PHE D 47 ? ? -174.77 -42.21 84 6 PHE D 48 ? ? -171.66 63.46 85 7 PHE A 47 ? ? -174.03 -39.13 86 7 PHE A 48 ? ? -172.08 61.21 87 7 LEU A 59 ? ? -157.87 63.72 88 7 ASP B 24 ? ? -37.32 101.85 89 7 LEU B 46 ? ? -89.72 -82.80 90 7 PHE B 47 ? ? 57.51 -87.41 91 7 PHE B 48 ? ? -153.44 86.38 92 7 ASP C 24 ? ? -158.43 72.75 93 7 LEU C 46 ? ? -79.71 -72.45 94 7 PHE C 47 ? ? 50.00 -88.74 95 7 PHE C 48 ? ? -161.13 89.96 96 7 LEU C 59 ? ? -100.54 64.78 97 7 ASP D 24 ? ? 177.45 75.11 98 7 PHE D 47 ? ? -172.92 90.22 99 7 PHE D 48 ? ? 57.94 -73.49 100 7 LYS D 49 ? ? -165.58 37.46 101 7 LEU D 59 ? ? -84.09 -75.75 102 8 ASP A 24 ? ? 51.54 72.28 103 8 LEU A 46 ? ? -86.31 -76.67 104 8 PHE A 47 ? ? 51.40 -86.66 105 8 LYS A 49 ? ? 52.11 17.01 106 8 LEU A 59 ? ? -156.12 89.18 107 8 ASP B 24 ? ? -165.61 69.38 108 8 LEU B 46 ? ? -80.93 -72.81 109 8 PHE B 47 ? ? 47.24 -88.78 110 8 PHE B 48 ? ? -154.36 84.50 111 8 LYS B 49 ? ? 48.73 27.36 112 8 ASP C 24 ? ? 46.22 74.75 113 8 PHE C 47 ? ? -172.59 -38.46 114 8 PHE C 48 ? ? -172.67 -46.85 115 8 LYS C 49 ? ? -173.89 39.67 116 8 LEU C 59 ? ? -94.44 53.24 117 8 ASP D 24 ? ? -156.36 62.33 118 8 PHE D 47 ? ? -172.27 -47.65 119 8 PHE D 48 ? ? -172.08 71.12 120 8 LEU D 59 ? ? -103.85 65.48 121 9 LEU A 46 ? ? -91.91 -84.83 122 9 PHE A 47 ? ? 56.54 -80.35 123 9 PHE A 48 ? ? -165.64 98.04 124 9 LEU A 59 ? ? -150.23 88.67 125 9 ASP B 24 ? ? -160.89 79.47 126 9 LEU B 46 ? ? -123.31 -159.39 127 9 PHE B 47 ? ? 50.06 19.43 128 9 PHE B 48 ? ? -168.77 -1.67 129 9 ASP C 24 ? ? 53.46 70.61 130 9 PHE C 47 ? ? -45.34 91.68 131 9 PHE C 48 ? ? 55.47 -81.69 132 9 LYS C 49 ? ? -161.01 39.05 133 9 LEU C 59 ? ? -100.41 64.92 134 9 ASP D 24 ? ? -157.94 64.38 135 9 PHE D 47 ? ? -174.60 94.47 136 10 ASP A 24 ? ? -159.44 71.11 137 10 LEU A 46 ? ? -77.15 -77.19 138 10 PHE A 47 ? ? 53.88 -83.76 139 10 PHE A 48 ? ? -167.65 86.72 140 10 ASP B 24 ? ? 55.23 74.78 141 10 LEU B 46 ? ? -110.20 -88.98 142 10 PHE B 47 ? ? 57.04 -79.37 143 10 LEU B 59 ? ? -102.69 65.40 144 10 ASP C 24 ? ? -158.48 72.66 145 10 LEU C 46 ? ? -76.44 -76.89 146 10 PHE C 47 ? ? 58.32 -78.00 147 10 PHE C 48 ? ? -169.57 -29.00 148 10 LYS C 49 ? ? -173.07 18.60 149 10 LEU C 59 ? ? -103.96 64.15 150 10 ASP D 24 ? ? -162.58 65.13 151 10 PHE D 47 ? ? -168.43 -39.07 152 10 PHE D 48 ? ? -171.17 -36.25 153 10 LYS D 49 ? ? 177.28 26.81 154 11 LEU A 46 ? ? -106.59 -112.65 155 11 PHE A 47 ? ? 47.76 97.23 156 11 LEU A 59 ? ? -150.07 82.18 157 11 ASP B 24 ? ? -158.19 76.10 158 11 PHE B 47 ? ? -172.45 -48.57 159 11 PHE B 48 ? ? -172.20 -38.34 160 11 LYS B 49 ? ? -172.88 21.44 161 11 LEU B 59 ? ? -84.01 49.84 162 11 ASP C 24 ? ? 53.78 77.01 163 11 LEU C 46 ? ? -74.89 -74.21 164 11 PHE C 47 ? ? 45.78 -171.57 165 11 LYS C 49 ? ? -153.21 36.82 166 11 LEU C 59 ? ? -103.08 66.14 167 11 ASP D 24 ? ? -163.20 58.45 168 11 PHE D 47 ? ? -173.47 101.54 169 12 ASP A 24 ? ? 55.30 76.17 170 12 LEU A 46 ? ? -73.40 -78.54 171 12 PHE A 47 ? ? 41.32 -164.50 172 12 PHE A 48 ? ? -64.53 68.15 173 12 ASP B 24 ? ? -160.88 68.72 174 12 PHE B 47 ? ? -172.98 -47.18 175 12 PHE B 48 ? ? -171.10 65.81 176 12 ASP C 24 ? ? -156.74 68.83 177 12 LEU C 46 ? ? -80.73 -71.12 178 12 PHE C 47 ? ? 49.26 -89.56 179 12 PHE C 48 ? ? -153.49 85.52 180 12 LEU C 59 ? ? -91.86 48.66 181 12 ASP D 24 ? ? -175.46 61.80 182 12 PHE D 47 ? ? -174.77 92.51 183 12 LEU D 59 ? ? -107.80 70.24 184 13 ASP A 24 ? ? -174.83 75.55 185 13 PHE A 47 ? ? -175.41 -38.78 186 13 PHE A 48 ? ? -167.24 60.03 187 13 LEU A 59 ? ? -114.81 71.82 188 13 ASP B 24 ? ? 56.94 70.02 189 13 LEU B 46 ? ? -77.45 -141.03 190 13 PHE B 47 ? ? 59.78 110.36 191 13 PHE B 48 ? ? 48.35 -178.62 192 13 LYS B 49 ? ? -72.19 45.42 193 13 LEU B 59 ? ? -88.87 49.06 194 13 ASP C 24 ? ? -159.18 70.78 195 13 LEU C 46 ? ? -84.53 -71.41 196 13 PHE C 47 ? ? 56.75 -80.42 197 13 PHE C 48 ? ? -172.91 -22.71 198 13 LYS C 49 ? ? -170.75 21.46 199 13 ASP D 24 ? ? -166.45 55.66 200 13 PHE D 47 ? ? -171.76 -43.62 201 13 PHE D 48 ? ? -172.71 -48.75 202 13 LYS D 49 ? ? -172.46 28.44 203 13 LEU D 59 ? ? -99.29 52.69 204 14 ASP A 24 ? ? -163.29 74.85 205 14 PHE A 47 ? ? -174.11 100.32 206 14 ASP B 24 ? ? -159.83 70.76 207 14 PHE B 47 ? ? -173.79 -31.70 208 14 PHE B 48 ? ? -167.40 58.93 209 14 ASP C 24 ? ? -35.83 100.54 210 14 LEU C 46 ? ? -79.59 -73.95 211 14 PHE C 47 ? ? 62.03 -71.32 212 14 PHE C 48 ? ? -172.75 -32.77 213 14 LYS C 49 ? ? -172.96 26.92 214 14 ASP D 24 ? ? -162.34 76.39 215 14 PHE D 47 ? ? -172.99 95.79 216 15 ASP A 24 ? ? 38.23 69.48 217 15 LEU A 46 ? ? -81.93 -77.38 218 15 PHE A 47 ? ? 52.90 -83.69 219 15 PHE A 48 ? ? -157.39 81.43 220 15 PHE B 47 ? ? -173.74 -37.88 221 15 PHE B 48 ? ? -172.21 56.55 222 15 LEU B 59 ? ? -89.66 33.20 223 15 ASP C 24 ? ? -170.65 72.55 224 15 LEU C 46 ? ? -79.96 -126.29 225 15 PHE C 47 ? ? 72.75 -155.26 226 15 LEU C 59 ? ? -92.05 53.68 227 15 ASP D 24 ? ? -158.13 58.44 228 15 PHE D 47 ? ? -173.18 86.53 229 15 LEU D 59 ? ? -93.86 57.55 # _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 75 _pdbx_nmr_ensemble.conformers_submitted_total_number 15 _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.entry_id 2KWX _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 2KWX _pdbx_nmr_representative.selection_criteria 'lowest energy' # loop_ _pdbx_nmr_sample_details.contents _pdbx_nmr_sample_details.solution_id _pdbx_nmr_sample_details.solvent_system '0.75 mM [U-99% 13C; U-99% 15N] Influenza M2 V27A mutant-1, 95% H2O/5% D2O' 1 '95% H2O/5% D2O' '0.70 mM [U-100% 13C; U-100% 15N; U-80% 2H] Influenza M2 V27A mutant-2, 95% H2O/5% D2O' 2 '95% H2O/5% D2O' # 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 'Influenza M2 V27A mutant-1' 0.75 ? mM '[U-99% 13C; U-99% 15N]' 1 'Influenza M2 V27A mutant-2' 0.70 ? mM '[U-100% 13C; U-100% 15N; U-80% 2H]' 2 # loop_ _pdbx_nmr_exptl_sample_conditions.conditions_id _pdbx_nmr_exptl_sample_conditions.ionic_strength _pdbx_nmr_exptl_sample_conditions.pH _pdbx_nmr_exptl_sample_conditions.pressure _pdbx_nmr_exptl_sample_conditions.pressure_units _pdbx_nmr_exptl_sample_conditions.temperature _pdbx_nmr_exptl_sample_conditions.temperature_units 1 ~0.1 7.5 ambient ? 30 K 2 ~0.1 7.5 ambient ? 30 K # loop_ _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.type 2 1 2 '2D 1H-15N TROSY' 2 2 2 '3D TROSY HNCO' 2 3 2 '3D TROSY HNCA' 2 4 2 '3D TROSY HN(CO)CA' 2 5 2 '3D TROSY HNCACB' 1 6 1 '3D 1H-15N NOESY TROSY' 1 7 1 '3D 1H-13C NOESY TROSY' 1 8 1 '2D 1H-13C HSQC' # _pdbx_nmr_refine.entry_id 2KWX _pdbx_nmr_refine.method 'simulated annealing, molecular dynamics' _pdbx_nmr_refine.details ;Standard simulated annealing protocol with cooling from 1000K to 20K, 6.7 ps of Verlet dynamics at each temperature step, using a time step of 3 fs ; _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 'Schwieters, Kuszewski, Tjandra and Clore' 'structure solution' 'X-PLOR NIH' 2.24 1 'Schwieters, Kuszewski, Tjandra and Clore' refinement 'X-PLOR NIH' 2.24 2 # 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 GLU N N N N 71 GLU CA C N S 72 GLU C C N N 73 GLU O O N N 74 GLU CB C N N 75 GLU CG C N N 76 GLU CD C N N 77 GLU OE1 O N N 78 GLU OE2 O N N 79 GLU OXT O N N 80 GLU H H N N 81 GLU H2 H N N 82 GLU HA H N N 83 GLU HB2 H N N 84 GLU HB3 H N N 85 GLU HG2 H N N 86 GLU HG3 H N N 87 GLU HE2 H N N 88 GLU HXT H N N 89 GLY N N N N 90 GLY CA C N N 91 GLY C C N N 92 GLY O O N N 93 GLY OXT O N N 94 GLY H H N N 95 GLY H2 H N N 96 GLY HA2 H N N 97 GLY HA3 H N N 98 GLY HXT H N N 99 HIS N N N N 100 HIS CA C N S 101 HIS C C N N 102 HIS O O N N 103 HIS CB C N N 104 HIS CG C Y N 105 HIS ND1 N Y N 106 HIS CD2 C Y N 107 HIS CE1 C Y N 108 HIS NE2 N Y N 109 HIS OXT O N N 110 HIS H H N N 111 HIS H2 H N N 112 HIS HA H N N 113 HIS HB2 H N N 114 HIS HB3 H N N 115 HIS HD1 H N N 116 HIS HD2 H N N 117 HIS HE1 H N N 118 HIS HE2 H N N 119 HIS HXT H N N 120 ILE N N N N 121 ILE CA C N S 122 ILE C C N N 123 ILE O O N N 124 ILE CB C N S 125 ILE CG1 C N N 126 ILE CG2 C N N 127 ILE CD1 C N N 128 ILE OXT O N N 129 ILE H H N N 130 ILE H2 H N N 131 ILE HA H N N 132 ILE HB H N N 133 ILE HG12 H N N 134 ILE HG13 H N N 135 ILE HG21 H N N 136 ILE HG22 H N N 137 ILE HG23 H N N 138 ILE HD11 H N N 139 ILE HD12 H N N 140 ILE HD13 H N N 141 ILE HXT H N N 142 LEU N N N N 143 LEU CA C N S 144 LEU C C N N 145 LEU O O N N 146 LEU CB C N N 147 LEU CG C N N 148 LEU CD1 C N N 149 LEU CD2 C N N 150 LEU OXT O N N 151 LEU H H N N 152 LEU H2 H N N 153 LEU HA H N N 154 LEU HB2 H N N 155 LEU HB3 H N N 156 LEU HG H N N 157 LEU HD11 H N N 158 LEU HD12 H N N 159 LEU HD13 H N N 160 LEU HD21 H N N 161 LEU HD22 H N N 162 LEU HD23 H N N 163 LEU HXT H N N 164 LYS N N N N 165 LYS CA C N S 166 LYS C C N N 167 LYS O O N N 168 LYS CB C N N 169 LYS CG C N N 170 LYS CD C N N 171 LYS CE C N N 172 LYS NZ N N N 173 LYS OXT O N N 174 LYS H H N N 175 LYS H2 H N N 176 LYS HA H N N 177 LYS HB2 H N N 178 LYS HB3 H N N 179 LYS HG2 H N N 180 LYS HG3 H N N 181 LYS HD2 H N N 182 LYS HD3 H N N 183 LYS HE2 H N N 184 LYS HE3 H N N 185 LYS HZ1 H N N 186 LYS HZ2 H N N 187 LYS HZ3 H N N 188 LYS HXT H N N 189 PHE N N N N 190 PHE CA C N S 191 PHE C C N N 192 PHE O O N N 193 PHE CB C N N 194 PHE CG C Y N 195 PHE CD1 C Y N 196 PHE CD2 C Y N 197 PHE CE1 C Y N 198 PHE CE2 C Y N 199 PHE CZ C Y N 200 PHE OXT O N N 201 PHE H H N N 202 PHE H2 H N N 203 PHE HA H N N 204 PHE HB2 H N N 205 PHE HB3 H N N 206 PHE HD1 H N N 207 PHE HD2 H N N 208 PHE HE1 H N N 209 PHE HE2 H N N 210 PHE HZ H N N 211 PHE HXT H N N 212 PRO N N N N 213 PRO CA C N S 214 PRO C C N N 215 PRO O O N N 216 PRO CB C N N 217 PRO CG C N N 218 PRO CD C N N 219 PRO OXT O N N 220 PRO H H N N 221 PRO HA H N N 222 PRO HB2 H N N 223 PRO HB3 H N N 224 PRO HG2 H N N 225 PRO HG3 H N N 226 PRO HD2 H N N 227 PRO HD3 H N N 228 PRO HXT H N N 229 SER N N N N 230 SER CA C N S 231 SER C C N N 232 SER O O N N 233 SER CB C N N 234 SER OG O N N 235 SER OXT O N N 236 SER H H N N 237 SER H2 H N N 238 SER HA H N N 239 SER HB2 H N N 240 SER HB3 H N N 241 SER HG H N N 242 SER HXT H N N 243 TRP N N N N 244 TRP CA C N S 245 TRP C C N N 246 TRP O O N N 247 TRP CB C N N 248 TRP CG C Y N 249 TRP CD1 C Y N 250 TRP CD2 C Y N 251 TRP NE1 N Y N 252 TRP CE2 C Y N 253 TRP CE3 C Y N 254 TRP CZ2 C Y N 255 TRP CZ3 C Y N 256 TRP CH2 C Y N 257 TRP OXT O N N 258 TRP H H N N 259 TRP H2 H N N 260 TRP HA H N N 261 TRP HB2 H N N 262 TRP HB3 H N N 263 TRP HD1 H N N 264 TRP HE1 H N N 265 TRP HE3 H N N 266 TRP HZ2 H N N 267 TRP HZ3 H N N 268 TRP HH2 H N N 269 TRP HXT H N N 270 TYR N N N N 271 TYR CA C N S 272 TYR C C N N 273 TYR O O N N 274 TYR CB C N N 275 TYR CG C Y N 276 TYR CD1 C Y N 277 TYR CD2 C Y N 278 TYR CE1 C Y N 279 TYR CE2 C Y N 280 TYR CZ C Y N 281 TYR OH O N N 282 TYR OXT O N N 283 TYR H H N N 284 TYR H2 H N N 285 TYR HA H N N 286 TYR HB2 H N N 287 TYR HB3 H N N 288 TYR HD1 H N N 289 TYR HD2 H N N 290 TYR HE1 H N N 291 TYR HE2 H N N 292 TYR HH H N N 293 TYR HXT H N N 294 VAL N N N N 295 VAL CA C N S 296 VAL C C N N 297 VAL O O N N 298 VAL CB C N N 299 VAL CG1 C N N 300 VAL CG2 C N N 301 VAL OXT O N N 302 VAL H H N N 303 VAL H2 H N N 304 VAL HA H N N 305 VAL HB H N N 306 VAL HG11 H N N 307 VAL HG12 H N N 308 VAL HG13 H N N 309 VAL HG21 H N N 310 VAL HG22 H N N 311 VAL HG23 H N N 312 VAL HXT H N N 313 # 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 GLU N CA sing N N 67 GLU N H sing N N 68 GLU N H2 sing N N 69 GLU CA C sing N N 70 GLU CA CB sing N N 71 GLU CA HA sing N N 72 GLU C O doub N N 73 GLU C OXT sing N N 74 GLU CB CG sing N N 75 GLU CB HB2 sing N N 76 GLU CB HB3 sing N N 77 GLU CG CD sing N N 78 GLU CG HG2 sing N N 79 GLU CG HG3 sing N N 80 GLU CD OE1 doub N N 81 GLU CD OE2 sing N N 82 GLU OE2 HE2 sing N N 83 GLU OXT HXT sing N N 84 GLY N CA sing N N 85 GLY N H sing N N 86 GLY N H2 sing N N 87 GLY CA C sing N N 88 GLY CA HA2 sing N N 89 GLY CA HA3 sing N N 90 GLY C O doub N N 91 GLY C OXT sing N N 92 GLY OXT HXT sing N N 93 HIS N CA sing N N 94 HIS N H sing N N 95 HIS N H2 sing N N 96 HIS CA C sing N N 97 HIS CA CB sing N N 98 HIS CA HA sing N N 99 HIS C O doub N N 100 HIS C OXT sing N N 101 HIS CB CG sing N N 102 HIS CB HB2 sing N N 103 HIS CB HB3 sing N N 104 HIS CG ND1 sing Y N 105 HIS CG CD2 doub Y N 106 HIS ND1 CE1 doub Y N 107 HIS ND1 HD1 sing N N 108 HIS CD2 NE2 sing Y N 109 HIS CD2 HD2 sing N N 110 HIS CE1 NE2 sing Y N 111 HIS CE1 HE1 sing N N 112 HIS NE2 HE2 sing N N 113 HIS OXT HXT sing N N 114 ILE N CA sing N N 115 ILE N H sing N N 116 ILE N H2 sing N N 117 ILE CA C sing N N 118 ILE CA CB sing N N 119 ILE CA HA sing N N 120 ILE C O doub N N 121 ILE C OXT sing N N 122 ILE CB CG1 sing N N 123 ILE CB CG2 sing N N 124 ILE CB HB sing N N 125 ILE CG1 CD1 sing N N 126 ILE CG1 HG12 sing N N 127 ILE CG1 HG13 sing N N 128 ILE CG2 HG21 sing N N 129 ILE CG2 HG22 sing N N 130 ILE CG2 HG23 sing N N 131 ILE CD1 HD11 sing N N 132 ILE CD1 HD12 sing N N 133 ILE CD1 HD13 sing N N 134 ILE OXT HXT sing N N 135 LEU N CA sing N N 136 LEU N H sing N N 137 LEU N H2 sing N N 138 LEU CA C sing N N 139 LEU CA CB sing N N 140 LEU CA HA sing N N 141 LEU C O doub N N 142 LEU C OXT sing N N 143 LEU CB CG sing N N 144 LEU CB HB2 sing N N 145 LEU CB HB3 sing N N 146 LEU CG CD1 sing N N 147 LEU CG CD2 sing N N 148 LEU CG HG sing N N 149 LEU CD1 HD11 sing N N 150 LEU CD1 HD12 sing N N 151 LEU CD1 HD13 sing N N 152 LEU CD2 HD21 sing N N 153 LEU CD2 HD22 sing N N 154 LEU CD2 HD23 sing N N 155 LEU OXT HXT sing N N 156 LYS N CA sing N N 157 LYS N H sing N N 158 LYS N H2 sing N N 159 LYS CA C sing N N 160 LYS CA CB sing N N 161 LYS CA HA sing N N 162 LYS C O doub N N 163 LYS C OXT sing N N 164 LYS CB CG sing N N 165 LYS CB HB2 sing N N 166 LYS CB HB3 sing N N 167 LYS CG CD sing N N 168 LYS CG HG2 sing N N 169 LYS CG HG3 sing N N 170 LYS CD CE sing N N 171 LYS CD HD2 sing N N 172 LYS CD HD3 sing N N 173 LYS CE NZ sing N N 174 LYS CE HE2 sing N N 175 LYS CE HE3 sing N N 176 LYS NZ HZ1 sing N N 177 LYS NZ HZ2 sing N N 178 LYS NZ HZ3 sing N N 179 LYS OXT HXT sing N N 180 PHE N CA sing N N 181 PHE N H sing N N 182 PHE N H2 sing N N 183 PHE CA C sing N N 184 PHE CA CB sing N N 185 PHE CA HA sing N N 186 PHE C O doub N N 187 PHE C OXT sing N N 188 PHE CB CG sing N N 189 PHE CB HB2 sing N N 190 PHE CB HB3 sing N N 191 PHE CG CD1 doub Y N 192 PHE CG CD2 sing Y N 193 PHE CD1 CE1 sing Y N 194 PHE CD1 HD1 sing N N 195 PHE CD2 CE2 doub Y N 196 PHE CD2 HD2 sing N N 197 PHE CE1 CZ doub Y N 198 PHE CE1 HE1 sing N N 199 PHE CE2 CZ sing Y N 200 PHE CE2 HE2 sing N N 201 PHE CZ HZ sing N N 202 PHE OXT HXT sing N N 203 PRO N CA sing N N 204 PRO N CD sing N N 205 PRO N H sing N N 206 PRO CA C sing N N 207 PRO CA CB sing N N 208 PRO CA HA sing N N 209 PRO C O doub N N 210 PRO C OXT sing N N 211 PRO CB CG sing N N 212 PRO CB HB2 sing N N 213 PRO CB HB3 sing N N 214 PRO CG CD sing N N 215 PRO CG HG2 sing N N 216 PRO CG HG3 sing N N 217 PRO CD HD2 sing N N 218 PRO CD HD3 sing N N 219 PRO OXT HXT sing N N 220 SER N CA sing N N 221 SER N H sing N N 222 SER N H2 sing N N 223 SER CA C sing N N 224 SER CA CB sing N N 225 SER CA HA sing N N 226 SER C O doub N N 227 SER C OXT sing N N 228 SER CB OG sing N N 229 SER CB HB2 sing N N 230 SER CB HB3 sing N N 231 SER OG HG sing N N 232 SER OXT HXT sing N N 233 TRP N CA sing N N 234 TRP N H sing N N 235 TRP N H2 sing N N 236 TRP CA C sing N N 237 TRP CA CB sing N N 238 TRP CA HA sing N N 239 TRP C O doub N N 240 TRP C OXT sing N N 241 TRP CB CG sing N N 242 TRP CB HB2 sing N N 243 TRP CB HB3 sing N N 244 TRP CG CD1 doub Y N 245 TRP CG CD2 sing Y N 246 TRP CD1 NE1 sing Y N 247 TRP CD1 HD1 sing N N 248 TRP CD2 CE2 doub Y N 249 TRP CD2 CE3 sing Y N 250 TRP NE1 CE2 sing Y N 251 TRP NE1 HE1 sing N N 252 TRP CE2 CZ2 sing Y N 253 TRP CE3 CZ3 doub Y N 254 TRP CE3 HE3 sing N N 255 TRP CZ2 CH2 doub Y N 256 TRP CZ2 HZ2 sing N N 257 TRP CZ3 CH2 sing Y N 258 TRP CZ3 HZ3 sing N N 259 TRP CH2 HH2 sing N N 260 TRP OXT HXT sing N N 261 TYR N CA sing N N 262 TYR N H sing N N 263 TYR N H2 sing N N 264 TYR CA C sing N N 265 TYR CA CB sing N N 266 TYR CA HA sing N N 267 TYR C O doub N N 268 TYR C OXT sing N N 269 TYR CB CG sing N N 270 TYR CB HB2 sing N N 271 TYR CB HB3 sing N N 272 TYR CG CD1 doub Y N 273 TYR CG CD2 sing Y N 274 TYR CD1 CE1 sing Y N 275 TYR CD1 HD1 sing N N 276 TYR CD2 CE2 doub Y N 277 TYR CD2 HD2 sing N N 278 TYR CE1 CZ doub Y N 279 TYR CE1 HE1 sing N N 280 TYR CE2 CZ sing Y N 281 TYR CE2 HE2 sing N N 282 TYR CZ OH sing N N 283 TYR OH HH sing N N 284 TYR OXT HXT sing N N 285 VAL N CA sing N N 286 VAL N H sing N N 287 VAL N H2 sing N N 288 VAL CA C sing N N 289 VAL CA CB sing N N 290 VAL CA HA sing N N 291 VAL C O doub N N 292 VAL C OXT sing N N 293 VAL CB CG1 sing N N 294 VAL CB CG2 sing N N 295 VAL CB HB sing N N 296 VAL CG1 HG11 sing N N 297 VAL CG1 HG12 sing N N 298 VAL CG1 HG13 sing N N 299 VAL CG2 HG21 sing N N 300 VAL CG2 HG22 sing N N 301 VAL CG2 HG23 sing N N 302 VAL OXT HXT sing N N 303 # _pdbx_nmr_spectrometer.field_strength 600 _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 2KWX _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_