data_6RC7 # _entry.id 6RC7 # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.342 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code PDB 6RC7 WWPDB D_1200013322 BMRB 34392 # _pdbx_database_related.db_name BMRB _pdbx_database_related.details 'NMR structure of cytotoxin 3 from Naja kaouthia in solution, major form' _pdbx_database_related.db_id 34392 _pdbx_database_related.content_type unspecified # _pdbx_database_status.status_code REL _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr REL _pdbx_database_status.entry_id 6RC7 _pdbx_database_status.recvd_initial_deposition_date 2019-04-11 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site PDBE _pdbx_database_status.process_site PDBE _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 ? # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Dubinnyi, M.A.' 1 0000-0002-5463-0169 'Dubovskii, P.V.' 2 0000-0003-2289-6023 'Utkin, Y.N.' 3 0000-0002-4609-970X 'Arseniev, A.S.' 4 0000-0002-4986-6716 # _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 Biochem.Biophys.Res.Commun. _citation.journal_id_ASTM BBRCA9 _citation.journal_id_CSD 0146 _citation.journal_id_ISSN 1090-2104 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume 558 _citation.language ? _citation.page_first 141 _citation.page_last 146 _citation.title 'The omega-loop of cobra cytotoxins tolerates multiple amino acid substitutions.' _citation.year 2021 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1016/j.bbrc.2021.04.069 _citation.pdbx_database_id_PubMed 33915327 _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Dubinnyi, M.A.' 1 ? primary 'Dubovskii, P.V.' 2 ? primary 'Starkov, V.G.' 3 ? primary 'Utkin, Y.N.' 4 ? # _entity.id 1 _entity.type polymer _entity.src_method nat _entity.pdbx_description 'Cytotoxin 3' _entity.formula_weight 6728.222 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.details 'Major form with trans configuration of ILE7-PRO8 peptide bond' # _entity_name_com.entity_id 1 _entity_name_com.name 'CX3,Toxin CM-7' # _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 LKCNKLIPLAYKTCPAGKNLCYKMFMVSNKTVPVKRGCIDACPKNSLLVKYVCCNTDRCN _entity_poly.pdbx_seq_one_letter_code_can LKCNKLIPLAYKTCPAGKNLCYKMFMVSNKTVPVKRGCIDACPKNSLLVKYVCCNTDRCN _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 LEU n 1 2 LYS n 1 3 CYS n 1 4 ASN n 1 5 LYS n 1 6 LEU n 1 7 ILE n 1 8 PRO n 1 9 LEU n 1 10 ALA n 1 11 TYR n 1 12 LYS n 1 13 THR n 1 14 CYS n 1 15 PRO n 1 16 ALA n 1 17 GLY n 1 18 LYS n 1 19 ASN n 1 20 LEU n 1 21 CYS n 1 22 TYR n 1 23 LYS n 1 24 MET n 1 25 PHE n 1 26 MET n 1 27 VAL n 1 28 SER n 1 29 ASN n 1 30 LYS n 1 31 THR n 1 32 VAL n 1 33 PRO n 1 34 VAL n 1 35 LYS n 1 36 ARG n 1 37 GLY n 1 38 CYS n 1 39 ILE n 1 40 ASP n 1 41 ALA n 1 42 CYS n 1 43 PRO n 1 44 LYS n 1 45 ASN n 1 46 SER n 1 47 LEU n 1 48 LEU n 1 49 VAL n 1 50 LYS n 1 51 TYR n 1 52 VAL n 1 53 CYS n 1 54 CYS n 1 55 ASN n 1 56 THR n 1 57 ASP n 1 58 ARG n 1 59 CYS n 1 60 ASN n # _entity_src_nat.entity_id 1 _entity_src_nat.pdbx_src_id 1 _entity_src_nat.pdbx_alt_source_flag sample _entity_src_nat.pdbx_beg_seq_num 1 _entity_src_nat.pdbx_end_seq_num 60 _entity_src_nat.common_name 'Monocled cobra' _entity_src_nat.pdbx_organism_scientific 'Naja kaouthia' _entity_src_nat.pdbx_ncbi_taxonomy_id 8649 _entity_src_nat.genus ? _entity_src_nat.species ? _entity_src_nat.strain ? _entity_src_nat.tissue ? _entity_src_nat.tissue_fraction ? _entity_src_nat.pdbx_secretion ? _entity_src_nat.pdbx_fragment ? _entity_src_nat.pdbx_variant ? _entity_src_nat.pdbx_cell_line ? _entity_src_nat.pdbx_atcc ? _entity_src_nat.pdbx_cellular_location ? _entity_src_nat.pdbx_organ 'Venom gland' _entity_src_nat.pdbx_organelle ? _entity_src_nat.pdbx_cell ? _entity_src_nat.pdbx_plasmid_name ? _entity_src_nat.pdbx_plasmid_details 'Purified from crude venom' _entity_src_nat.details ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code 3SA3_NAJKA _struct_ref.pdbx_db_accession P01446 _struct_ref.pdbx_db_isoform ? _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code LKCNKLIPLAYKTCPAGKNLCYKMFMVSNKTVPVKRGCIDACPKNSLLVKYVCCNTDRCN _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 6RC7 _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 P01446 _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 60 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 1 _struct_ref_seq.pdbx_auth_seq_align_end 60 # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 ARG 'L-peptide linking' y ARGININE ? 'C6 H15 N4 O2 1' 175.209 ASN 'L-peptide linking' y ASPARAGINE ? 'C4 H8 N2 O3' 132.118 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 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 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 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_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 TOCSY' 2 isotropic 2 1 1 '2D DQF-COSY' 2 isotropic 3 1 1 '2D 1H-1H NOESY' 2 isotropic 4 1 1 '2D ROESY' 2 isotropic 5 1 1 '2D 1H-13C HSQC' 3 isotropic 6 1 1 '2D 1H-15N HSQC' 3 isotropic 7 1 1 '2D 1H-13C HSQC-TOCSY' 3 isotropic 8 2 2 '2D DQF-COSY' 1 isotropic 9 2 2 '2D 1H-1H NOESY' 1 isotropic 10 2 2 '2D 1H-1H TOCSY' 1 isotropic # loop_ _pdbx_nmr_exptl_sample_conditions.conditions_id _pdbx_nmr_exptl_sample_conditions.temperature _pdbx_nmr_exptl_sample_conditions.pressure_units _pdbx_nmr_exptl_sample_conditions.pressure _pdbx_nmr_exptl_sample_conditions.pH _pdbx_nmr_exptl_sample_conditions.ionic_strength _pdbx_nmr_exptl_sample_conditions.details _pdbx_nmr_exptl_sample_conditions.ionic_strength_err _pdbx_nmr_exptl_sample_conditions.ionic_strength_units _pdbx_nmr_exptl_sample_conditions.label _pdbx_nmr_exptl_sample_conditions.pH_err _pdbx_nmr_exptl_sample_conditions.pH_units _pdbx_nmr_exptl_sample_conditions.pressure_err _pdbx_nmr_exptl_sample_conditions.temperature_err _pdbx_nmr_exptl_sample_conditions.temperature_units 1 303 bar 1 4.00 0 ? 0 mM CT3nk_H2O_pH4.00 0.05 pH 0.01 1 K 2 303 bar 1 4.0 0 ? 0 mM CT3nk_D2O_pH4.00 0.05 pD 0.01 1 K # loop_ _pdbx_nmr_sample_details.solution_id _pdbx_nmr_sample_details.contents _pdbx_nmr_sample_details.solvent_system _pdbx_nmr_sample_details.label _pdbx_nmr_sample_details.type _pdbx_nmr_sample_details.details 1 '3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia, 90% H2O/10% D2O' '90% H2O/10% D2O' CT3nk_H2O solution 'Mixture of two cytotoxins, which could not be chromatographically separated' 2 '3 mM No Cytotoxin 3 from Naja kaouthia, 2 mM No Cytotoxin 2 from Naja kaouthia, 100% D2O' '100% D2O' CT3nk_D2O solution 'Mixture of two cytotoxins, which could not be chromatographically separated' # loop_ _pdbx_nmr_spectrometer.spectrometer_id _pdbx_nmr_spectrometer.model _pdbx_nmr_spectrometer.type _pdbx_nmr_spectrometer.manufacturer _pdbx_nmr_spectrometer.field_strength _pdbx_nmr_spectrometer.details 1 AVANCE ? Bruker 600 ? 2 AVANCE ? Bruker 700 ? 3 'AVANCE II' ? Bruker 800 ? # _pdbx_nmr_refine.entry_id 6RC7 _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 3 # _pdbx_nmr_ensemble.entry_id 6RC7 _pdbx_nmr_ensemble.conformers_calculated_total_number 200 _pdbx_nmr_ensemble.conformers_submitted_total_number 20 _pdbx_nmr_ensemble.conformer_selection_criteria 'structures with the least restraint violations' _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 6RC7 _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'target function' # loop_ _pdbx_nmr_software.ordinal _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors 1 collection TopSpin 2 'Bruker Biospin' 2 'chemical shift assignment' CARA 1.9.1.4 'Keller and Wuthrich' 3 'structure calculation' CYANA 2 'Guntert, Mumenthaler and Wuthrich' 4 'structure calculation' TALOS 1.9.1.4 'Cornilescu, Delaglio and Bax' # _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 6RC7 _exptl.crystals_number ? _exptl.details ? _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 6RC7 _struct.title 'NMR structure of cytotoxin 3 from Naja kaouthia in solution, major form' _struct.pdbx_descriptor 'Cytotoxin 3' _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 6RC7 _struct_keywords.text 'Three-finger toxin, Cobra snake venom, beta-structure, cytolytic peptide, disulfide-rich protein, TOXIN' _struct_keywords.pdbx_keywords TOXIN # _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 ? # 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 disulf1 disulf ? ? A CYS 3 SG ? ? ? 1_555 A CYS 21 SG ? ? A CYS 3 A CYS 21 1_555 ? ? ? ? ? ? ? 1.978 ? ? disulf2 disulf ? ? A CYS 14 SG ? ? ? 1_555 A CYS 38 SG ? ? A CYS 14 A CYS 38 1_555 ? ? ? ? ? ? ? 2.047 ? ? disulf3 disulf ? ? A CYS 42 SG ? ? ? 1_555 A CYS 53 SG ? ? A CYS 42 A CYS 53 1_555 ? ? ? ? ? ? ? 2.033 ? ? disulf4 disulf ? ? A CYS 54 SG ? ? ? 1_555 A CYS 59 SG ? ? A CYS 54 A CYS 59 1_555 ? ? ? ? ? ? ? 2.005 ? ? # _struct_conn_type.id disulf _struct_conn_type.criteria ? _struct_conn_type.reference ? # loop_ _struct_sheet.id _struct_sheet.type _struct_sheet.number_strands _struct_sheet.details AA1 ? 2 ? AA2 ? 3 ? # loop_ _struct_sheet_order.sheet_id _struct_sheet_order.range_id_1 _struct_sheet_order.range_id_2 _struct_sheet_order.offset _struct_sheet_order.sense AA1 1 2 ? anti-parallel AA2 1 2 ? anti-parallel AA2 2 3 ? anti-parallel # loop_ _struct_sheet_range.sheet_id _struct_sheet_range.id _struct_sheet_range.beg_label_comp_id _struct_sheet_range.beg_label_asym_id _struct_sheet_range.beg_label_seq_id _struct_sheet_range.pdbx_beg_PDB_ins_code _struct_sheet_range.end_label_comp_id _struct_sheet_range.end_label_asym_id _struct_sheet_range.end_label_seq_id _struct_sheet_range.pdbx_end_PDB_ins_code _struct_sheet_range.beg_auth_comp_id _struct_sheet_range.beg_auth_asym_id _struct_sheet_range.beg_auth_seq_id _struct_sheet_range.end_auth_comp_id _struct_sheet_range.end_auth_asym_id _struct_sheet_range.end_auth_seq_id AA1 1 LYS A 2 ? ASN A 4 ? LYS A 2 ASN A 4 AA1 2 TYR A 11 ? THR A 13 ? TYR A 11 THR A 13 AA2 1 ASN A 29 ? ILE A 39 ? ASN A 29 ILE A 39 AA2 2 LEU A 20 ? MET A 26 ? LEU A 20 MET A 26 AA2 3 VAL A 49 ? CYS A 54 ? VAL A 49 CYS A 54 # loop_ _pdbx_struct_sheet_hbond.sheet_id _pdbx_struct_sheet_hbond.range_id_1 _pdbx_struct_sheet_hbond.range_id_2 _pdbx_struct_sheet_hbond.range_1_label_atom_id _pdbx_struct_sheet_hbond.range_1_label_comp_id _pdbx_struct_sheet_hbond.range_1_label_asym_id _pdbx_struct_sheet_hbond.range_1_label_seq_id _pdbx_struct_sheet_hbond.range_1_PDB_ins_code _pdbx_struct_sheet_hbond.range_1_auth_atom_id _pdbx_struct_sheet_hbond.range_1_auth_comp_id _pdbx_struct_sheet_hbond.range_1_auth_asym_id _pdbx_struct_sheet_hbond.range_1_auth_seq_id _pdbx_struct_sheet_hbond.range_2_label_atom_id _pdbx_struct_sheet_hbond.range_2_label_comp_id _pdbx_struct_sheet_hbond.range_2_label_asym_id _pdbx_struct_sheet_hbond.range_2_label_seq_id _pdbx_struct_sheet_hbond.range_2_PDB_ins_code _pdbx_struct_sheet_hbond.range_2_auth_atom_id _pdbx_struct_sheet_hbond.range_2_auth_comp_id _pdbx_struct_sheet_hbond.range_2_auth_asym_id _pdbx_struct_sheet_hbond.range_2_auth_seq_id AA1 1 2 N CYS A 3 ? N CYS A 3 O LYS A 12 ? O LYS A 12 AA2 1 2 O LYS A 35 ? O LYS A 35 N MET A 24 ? N MET A 24 AA2 2 3 N PHE A 25 ? N PHE A 25 O LYS A 50 ? O LYS A 50 # _atom_sites.entry_id 6RC7 _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.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 S # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 LEU 1 1 1 LEU LEU A . n A 1 2 LYS 2 2 2 LYS LYS A . n A 1 3 CYS 3 3 3 CYS CYS A . n A 1 4 ASN 4 4 4 ASN ASN A . n A 1 5 LYS 5 5 5 LYS LYS A . n A 1 6 LEU 6 6 6 LEU LEU A . n A 1 7 ILE 7 7 7 ILE ILE A . n A 1 8 PRO 8 8 8 PRO PRO A . n A 1 9 LEU 9 9 9 LEU LEU A . n A 1 10 ALA 10 10 10 ALA ALA A . n A 1 11 TYR 11 11 11 TYR TYR A . n A 1 12 LYS 12 12 12 LYS LYS A . n A 1 13 THR 13 13 13 THR THR A . n A 1 14 CYS 14 14 14 CYS CYS A . n A 1 15 PRO 15 15 15 PRO PRO A . n A 1 16 ALA 16 16 16 ALA ALA A . n A 1 17 GLY 17 17 17 GLY GLY A . n A 1 18 LYS 18 18 18 LYS LYS A . n A 1 19 ASN 19 19 19 ASN ASN A . n A 1 20 LEU 20 20 20 LEU LEU A . n A 1 21 CYS 21 21 21 CYS CYS A . n A 1 22 TYR 22 22 22 TYR TYR A . n A 1 23 LYS 23 23 23 LYS LYS A . n A 1 24 MET 24 24 24 MET MET A . n A 1 25 PHE 25 25 25 PHE PHE A . n A 1 26 MET 26 26 26 MET MET A . n A 1 27 VAL 27 27 27 VAL VAL A . n A 1 28 SER 28 28 28 SER SER A . n A 1 29 ASN 29 29 29 ASN ASN A . n A 1 30 LYS 30 30 30 LYS LYS A . n A 1 31 THR 31 31 31 THR THR A . n A 1 32 VAL 32 32 32 VAL VAL A . n A 1 33 PRO 33 33 33 PRO PRO A . n A 1 34 VAL 34 34 34 VAL VAL A . n A 1 35 LYS 35 35 35 LYS LYS A . n A 1 36 ARG 36 36 36 ARG ARG A . n A 1 37 GLY 37 37 37 GLY GLY A . n A 1 38 CYS 38 38 38 CYS CYS A . n A 1 39 ILE 39 39 39 ILE ILE A . n A 1 40 ASP 40 40 40 ASP ASP A . n A 1 41 ALA 41 41 41 ALA ALA A . n A 1 42 CYS 42 42 42 CYS CYS A . n A 1 43 PRO 43 43 43 PRO PRO A . n A 1 44 LYS 44 44 44 LYS LYS A . n A 1 45 ASN 45 45 45 ASN ASN A . n A 1 46 SER 46 46 46 SER SER A . n A 1 47 LEU 47 47 47 LEU LEU A . n A 1 48 LEU 48 48 48 LEU LEU A . n A 1 49 VAL 49 49 49 VAL VAL A . n A 1 50 LYS 50 50 50 LYS LYS A . n A 1 51 TYR 51 51 51 TYR TYR A . n A 1 52 VAL 52 52 52 VAL VAL A . n A 1 53 CYS 53 53 53 CYS CYS A . n A 1 54 CYS 54 54 54 CYS CYS A . n A 1 55 ASN 55 55 55 ASN ASN A . n A 1 56 THR 56 56 56 THR THR A . n A 1 57 ASP 57 57 57 ASP ASP A . n A 1 58 ARG 58 58 58 ARG ARG A . n A 1 59 CYS 59 59 59 CYS CYS A . n A 1 60 ASN 60 60 60 ASN ASN A . n # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_and_software_defined_assembly _pdbx_struct_assembly.method_details PISA _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 # loop_ _pdbx_struct_assembly_prop.biol_id _pdbx_struct_assembly_prop.type _pdbx_struct_assembly_prop.value _pdbx_struct_assembly_prop.details 1 'ABSA (A^2)' 0 ? 1 MORE 0 ? 1 'SSA (A^2)' 4230 ? # _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 ? _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 2020-05-13 2 'Structure model' 1 1 2021-05-26 # _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_audit_revision_group.ordinal 1 _pdbx_audit_revision_group.revision_ordinal 2 _pdbx_audit_revision_group.data_content_type 'Structure model' _pdbx_audit_revision_group.group '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 2 'Structure model' citation 2 2 'Structure model' citation_author # loop_ _pdbx_audit_revision_item.ordinal _pdbx_audit_revision_item.revision_ordinal _pdbx_audit_revision_item.data_content_type _pdbx_audit_revision_item.item 1 2 'Structure model' '_citation.country' 2 2 'Structure model' '_citation.journal_abbrev' 3 2 'Structure model' '_citation.journal_id_ASTM' 4 2 'Structure model' '_citation.journal_id_CSD' 5 2 'Structure model' '_citation.journal_id_ISSN' 6 2 'Structure model' '_citation.journal_volume' 7 2 'Structure model' '_citation.page_first' 8 2 'Structure model' '_citation.page_last' 9 2 'Structure model' '_citation.pdbx_database_id_DOI' 10 2 'Structure model' '_citation.pdbx_database_id_PubMed' 11 2 'Structure model' '_citation.title' 12 2 'Structure model' '_citation.year' 13 2 'Structure model' '_citation_author.identifier_ORCID' 14 2 'Structure model' '_citation_author.name' # 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 'Cytotoxin 3 from Naja kaouthia' 3 ? mM No 1 'Cytotoxin 2 from Naja kaouthia' 2 ? mM No 2 'Cytotoxin 3 from Naja kaouthia' 3 ? mM No 2 'Cytotoxin 2 from Naja kaouthia' 2 ? mM No # 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 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.18 2 5 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.01 3 7 SG A CYS 3 ? ? SG A CYS 38 ? ? 1.99 4 8 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.08 5 10 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.09 6 11 SG A CYS 3 ? ? SG A CYS 14 ? ? 2.19 7 13 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.10 8 15 SG A CYS 3 ? ? SG A CYS 38 ? ? 1.86 9 20 SG A CYS 3 ? ? SG A CYS 38 ? ? 2.13 # 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 PRO A 8 ? ? -46.06 73.67 2 1 LEU A 9 ? ? -176.13 -36.98 3 1 PRO A 15 ? ? -46.91 -177.54 4 1 ASN A 29 ? ? -162.52 89.83 5 1 ARG A 58 ? ? 39.11 38.80 6 2 PRO A 8 ? ? -56.01 70.96 7 2 LEU A 9 ? ? -175.56 -34.58 8 2 PRO A 15 ? ? -47.05 -176.83 9 2 ASN A 29 ? ? -165.39 91.51 10 2 PRO A 43 ? ? -46.88 -178.92 11 2 ARG A 58 ? ? 38.14 31.05 12 3 PRO A 8 ? ? -55.77 71.12 13 3 LEU A 9 ? ? -175.30 -34.36 14 3 PRO A 15 ? ? -47.75 -177.73 15 3 ASN A 29 ? ? -165.56 90.74 16 3 PRO A 43 ? ? -65.56 -179.43 17 3 ARG A 58 ? ? 47.43 28.51 18 4 PRO A 8 ? ? -45.10 71.46 19 4 LEU A 9 ? ? -172.74 -37.13 20 4 PRO A 15 ? ? -47.61 -177.65 21 4 ASN A 29 ? ? -165.98 91.55 22 4 PRO A 43 ? ? -64.94 -179.32 23 4 ARG A 58 ? ? 38.69 49.97 24 5 PRO A 8 ? ? -45.93 72.91 25 5 LEU A 9 ? ? -175.08 -36.93 26 5 PRO A 15 ? ? -47.15 -177.04 27 5 ASN A 29 ? ? -169.25 90.41 28 6 PRO A 8 ? ? -45.81 73.08 29 6 LEU A 9 ? ? -174.98 -36.47 30 6 PRO A 15 ? ? -47.96 -177.45 31 6 ASN A 29 ? ? -171.82 86.45 32 6 PRO A 43 ? ? -48.80 -179.81 33 7 PRO A 8 ? ? -46.01 73.23 34 7 LEU A 9 ? ? -175.59 -36.82 35 7 PRO A 15 ? ? -47.87 -177.59 36 7 ASN A 29 ? ? -165.71 91.83 37 7 PRO A 43 ? ? -52.55 -175.62 38 8 PRO A 8 ? ? -56.21 70.79 39 8 LEU A 9 ? ? -175.66 -34.29 40 8 PRO A 15 ? ? -49.36 -178.30 41 8 ASN A 29 ? ? -165.08 91.51 42 8 PRO A 43 ? ? -64.08 -177.01 43 9 PRO A 8 ? ? -47.69 72.80 44 9 LEU A 9 ? ? -176.13 -36.81 45 9 PRO A 15 ? ? -47.43 -178.95 46 9 ASN A 29 ? ? -165.35 87.75 47 9 PRO A 43 ? ? -47.80 178.74 48 9 ARG A 58 ? ? 48.64 24.37 49 10 PRO A 8 ? ? -56.04 70.53 50 10 LEU A 9 ? ? -175.42 -34.16 51 10 PRO A 15 ? ? -48.26 -177.38 52 10 ASN A 29 ? ? -167.07 89.29 53 10 PRO A 43 ? ? -49.91 -177.74 54 11 PRO A 8 ? ? -44.92 72.28 55 11 LEU A 9 ? ? -174.50 -36.95 56 11 PRO A 15 ? ? -46.25 -177.08 57 11 ASN A 29 ? ? -166.36 91.92 58 11 ALA A 41 ? ? -167.05 116.43 59 11 PRO A 43 ? ? -66.28 -179.46 60 11 ARG A 58 ? ? 43.46 28.99 61 12 PRO A 8 ? ? -44.08 73.51 62 12 LEU A 9 ? ? -175.58 -36.35 63 12 PRO A 15 ? ? -47.49 -177.78 64 12 ASN A 29 ? ? -163.32 89.92 65 12 PRO A 43 ? ? -48.67 -177.95 66 13 PRO A 8 ? ? -44.64 73.14 67 13 LEU A 9 ? ? -175.24 -36.81 68 13 PRO A 15 ? ? -46.87 -177.36 69 13 ASN A 29 ? ? -163.76 89.38 70 13 PRO A 43 ? ? -47.78 -175.29 71 13 ARG A 58 ? ? 38.81 50.46 72 14 PRO A 8 ? ? -54.72 69.50 73 14 LEU A 9 ? ? -171.88 -34.62 74 14 PRO A 15 ? ? -47.12 -177.46 75 14 ASN A 29 ? ? -163.39 90.15 76 14 PRO A 43 ? ? -65.32 -179.37 77 15 PRO A 8 ? ? -55.91 71.12 78 15 LEU A 9 ? ? -175.70 -34.37 79 15 PRO A 15 ? ? -47.05 -177.36 80 15 ASN A 29 ? ? -175.53 95.50 81 15 PRO A 43 ? ? -54.78 -177.03 82 15 ARG A 58 ? ? 42.98 25.98 83 16 PRO A 8 ? ? -55.72 71.63 84 16 LEU A 9 ? ? -175.82 -34.12 85 16 PRO A 15 ? ? -46.79 -177.74 86 16 ASN A 29 ? ? -168.19 93.29 87 16 PRO A 43 ? ? -47.59 -178.97 88 16 ARG A 58 ? ? 44.64 25.69 89 17 PRO A 8 ? ? -56.26 70.10 90 17 LEU A 9 ? ? -175.44 -34.55 91 17 PRO A 15 ? ? -47.04 -177.38 92 17 ASN A 29 ? ? -163.39 89.95 93 17 PRO A 43 ? ? -49.14 -178.44 94 17 ARG A 58 ? ? 38.94 30.44 95 18 PRO A 8 ? ? -56.11 70.85 96 18 LEU A 9 ? ? -175.74 -34.22 97 18 PRO A 15 ? ? -47.14 -178.12 98 18 ASN A 29 ? ? -171.40 91.21 99 18 PRO A 43 ? ? -65.91 -178.74 100 18 ARG A 58 ? ? 43.69 27.29 101 19 PRO A 8 ? ? -44.22 73.34 102 19 LEU A 9 ? ? -175.46 -36.64 103 19 PRO A 15 ? ? -46.69 -177.75 104 19 ASN A 29 ? ? -170.37 90.20 105 19 PRO A 43 ? ? -50.83 -176.60 106 20 PRO A 8 ? ? -56.03 71.13 107 20 LEU A 9 ? ? -175.52 -34.15 108 20 PRO A 15 ? ? -47.53 -177.56 109 20 ASN A 29 ? ? -164.34 91.61 110 20 PRO A 43 ? ? -48.37 -176.34 111 20 ARG A 58 ? ? 36.99 50.04 # _pdbx_struct_assembly_auth_evidence.id 1 _pdbx_struct_assembly_auth_evidence.assembly_id 1 _pdbx_struct_assembly_auth_evidence.experimental_support none _pdbx_struct_assembly_auth_evidence.details ? #