data_2M3I # _entry.id 2M3I # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.371 _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 2M3I pdb_00002m3i 10.2210/pdb2m3i/pdb RCSB RCSB103162 ? ? BMRB 18964 ? ? WWPDB D_1000103162 ? ? # _pdbx_database_related.db_id 18964 _pdbx_database_related.db_name BMRB _pdbx_database_related.content_type unspecified _pdbx_database_related.details . # _pdbx_database_status.deposit_site BMRB _pdbx_database_status.entry_id 2M3I _pdbx_database_status.process_site RCSB _pdbx_database_status.recvd_initial_deposition_date 2013-01-20 _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.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_ _audit_author.name _audit_author.pdbx_ordinal 'Luo, S.' 1 'Zhangsun, D.' 2 'Zhu, X.' 3 'Wu, Y.' 4 'Hu, Y.' 5 'Christensen, S.' 6 'Akcan, M.' 7 'Craik, D.J.' 8 'McIntosh, J.M.' 9 # _citation.id primary _citation.title ;Characterization of a Novel alpha-Conotoxin TxID from Conus textile That Potently Blocks Rat alpha 3 beta 4 Nicotinic Acetylcholine Receptors. ; _citation.journal_abbrev J.Med.Chem. _citation.journal_volume 56 _citation.page_first 9655 _citation.page_last 9663 _citation.year 2013 _citation.journal_id_ASTM JMCMAR _citation.country US _citation.journal_id_ISSN 0022-2623 _citation.journal_id_CSD 0151 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 24200193 _citation.pdbx_database_id_DOI 10.1021/jm401254c # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Luo, S.' 1 ? primary 'Zhangsun, D.' 2 ? primary 'Zhu, X.' 3 ? primary 'Wu, Y.' 4 ? primary 'Hu, Y.' 5 ? primary 'Christensen, S.' 6 ? primary 'Harvey, P.J.' 7 ? primary 'Akcan, M.' 8 ? primary 'Craik, D.J.' 9 ? primary 'McIntosh, J.M.' 10 ? # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description Alpha-conotoxin _entity.formula_weight 1493.818 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.details ? # _entity_poly.entity_id 1 _entity_poly.type 'polypeptide(L)' _entity_poly.nstd_linkage no _entity_poly.nstd_monomer yes _entity_poly.pdbx_seq_one_letter_code 'GCCSHPVCSAMSPIC(NH2)' _entity_poly.pdbx_seq_one_letter_code_can GCCSHPVCSAMSPICX _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 GLY n 1 2 CYS n 1 3 CYS n 1 4 SER n 1 5 HIS n 1 6 PRO n 1 7 VAL n 1 8 CYS n 1 9 SER n 1 10 ALA n 1 11 MET n 1 12 SER n 1 13 PRO n 1 14 ILE n 1 15 CYS n 1 16 NH2 n # _pdbx_entity_src_syn.entity_id 1 _pdbx_entity_src_syn.pdbx_src_id 1 _pdbx_entity_src_syn.pdbx_alt_source_flag sample _pdbx_entity_src_syn.pdbx_beg_seq_num ? _pdbx_entity_src_syn.pdbx_end_seq_num ? _pdbx_entity_src_syn.organism_scientific 'Conus lividus' _pdbx_entity_src_syn.organism_common_name ? _pdbx_entity_src_syn.ncbi_taxonomy_id 89426 _pdbx_entity_src_syn.details ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code H9N3R7_CONLI _struct_ref.pdbx_db_accession H9N3R7 _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code GCCSHPVCSAMSPIC _struct_ref.pdbx_align_begin 16 _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 2M3I _struct_ref_seq.pdbx_strand_id A _struct_ref_seq.seq_align_beg 1 _struct_ref_seq.pdbx_seq_align_beg_ins_code ? _struct_ref_seq.seq_align_end 15 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession H9N3R7 _struct_ref_seq.db_align_beg 16 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 30 _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 15 # _struct_ref_seq_dif.align_id 1 _struct_ref_seq_dif.pdbx_pdb_id_code 2M3I _struct_ref_seq_dif.mon_id NH2 _struct_ref_seq_dif.pdbx_pdb_strand_id A _struct_ref_seq_dif.seq_num 16 _struct_ref_seq_dif.pdbx_pdb_ins_code ? _struct_ref_seq_dif.pdbx_seq_db_name UNP _struct_ref_seq_dif.pdbx_seq_db_accession_code H9N3R7 _struct_ref_seq_dif.db_mon_id ? _struct_ref_seq_dif.pdbx_seq_db_seq_num ? _struct_ref_seq_dif.details amidation _struct_ref_seq_dif.pdbx_auth_seq_num 16 _struct_ref_seq_dif.pdbx_ordinal 1 # 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 CYS 'L-peptide linking' y CYSTEINE ? 'C3 H7 N O2 S' 121.158 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 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 NH2 non-polymer . 'AMINO GROUP' ? 'H2 N' 16.023 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 VAL 'L-peptide linking' y VALINE ? 'C5 H11 N O2' 117.146 # loop_ _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.solution_id _pdbx_nmr_exptl.type 1 1 1 '2D 1H-1H TOCSY' 1 2 1 '2D 1H-1H NOESY' 1 3 1 '2D DQF-COSY' # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.ionic_strength ? _pdbx_nmr_exptl_sample_conditions.pH 3.5 _pdbx_nmr_exptl_sample_conditions.pressure ? _pdbx_nmr_exptl_sample_conditions.pressure_units atm _pdbx_nmr_exptl_sample_conditions.temperature 308 _pdbx_nmr_exptl_sample_conditions.temperature_units K # _pdbx_nmr_sample_details.contents '~3 mg Conotoxin-1, 30% trifluoroethanol/70% water' _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.solvent_system '30% trifluoroethanol/70% water' # _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' # _pdbx_nmr_refine.entry_id 2M3I _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 1 # _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 MolProbity score' _pdbx_nmr_ensemble.conformers_calculated_total_number 50 _pdbx_nmr_ensemble.conformers_submitted_total_number 20 _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.entry_id 2M3I _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 2M3I _pdbx_nmr_representative.selection_criteria ? # loop_ _pdbx_nmr_software.authors _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.ordinal 'Guntert, Mumenthaler and Wuthrich' 'structure solution' CYANA ? 1 'Brunger, Adams, Clore, Gros, Nilges and Read' refinement CNSSOLVE ? 2 Richardson 'structure validation' MolProbity ? 3 'Hutchinson, E. G., and Thornton, J. M' 'structure validation' PROMOTIF ? 4 # _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 2M3I _exptl.method 'SOLUTION NMR' _exptl.method_details ? # _struct.entry_id 2M3I _struct.title ;Characterization of a Novel Alpha4/6-Conotoxin TxIC from Conus textile that Potently Blocks alpha3beta4 Nicotinic Acetylcholine Receptors ; _struct.pdbx_model_details 'NULL, model1' _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2M3I _struct_keywords.pdbx_keywords TOXIN _struct_keywords.text 'Alpha-conotoxin, alpha-helix, disulfide bonds, amidated C-terminus, 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 ? # _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 GLY A 1 ? SER A 4 ? GLY A 1 SER A 4 5 ? 4 HELX_P HELX_P2 2 HIS A 5 ? SER A 12 ? HIS A 5 SER A 12 1 ? 8 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # 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 2 SG ? ? ? 1_555 A CYS 8 SG ? ? A CYS 2 A CYS 8 1_555 ? ? ? ? ? ? ? 2.049 ? ? disulf2 disulf ? ? A CYS 3 SG ? ? ? 1_555 A CYS 15 SG ? ? A CYS 3 A CYS 15 1_555 ? ? ? ? ? ? ? 2.022 ? ? covale1 covale both ? A CYS 15 C ? ? ? 1_555 A NH2 16 N ? ? A CYS 15 A NH2 16 1_555 ? ? ? ? ? ? ? 1.312 ? ? # loop_ _struct_conn_type.id _struct_conn_type.criteria _struct_conn_type.reference disulf ? ? covale ? ? # _atom_sites.entry_id 2M3I _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 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 GLY 1 1 1 GLY GLY A . n A 1 2 CYS 2 2 2 CYS CYS A . n A 1 3 CYS 3 3 3 CYS CYS A . n A 1 4 SER 4 4 4 SER SER A . n A 1 5 HIS 5 5 5 HIS HIS A . n A 1 6 PRO 6 6 6 PRO PRO A . n A 1 7 VAL 7 7 7 VAL VAL A . n A 1 8 CYS 8 8 8 CYS CYS A . n A 1 9 SER 9 9 9 SER SER A . n A 1 10 ALA 10 10 10 ALA ALA A . n A 1 11 MET 11 11 11 MET MET A . n A 1 12 SER 12 12 12 SER SER A . n A 1 13 PRO 13 13 13 PRO PRO A . n A 1 14 ILE 14 14 14 ILE ILE A . n A 1 15 CYS 15 15 15 CYS CYS A . n A 1 16 NH2 16 16 16 NH2 NH2 A . n # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details monomeric _pdbx_struct_assembly.oligomeric_count 1 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 2013-12-04 2 'Structure model' 1 1 2014-01-15 3 'Structure model' 1 2 2023-06-14 # _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' 'Derived calculations' 5 3 'Structure model' Other # loop_ _pdbx_audit_revision_category.ordinal _pdbx_audit_revision_category.revision_ordinal _pdbx_audit_revision_category.data_content_type _pdbx_audit_revision_category.category 1 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_conn 6 3 'Structure model' struct_ref_seq_dif # 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_conn.pdbx_leaving_atom_flag' 7 3 'Structure model' '_struct_ref_seq_dif.details' # _pdbx_nmr_exptl_sample.component Conotoxin-1 _pdbx_nmr_exptl_sample.concentration 3 _pdbx_nmr_exptl_sample.concentration_range ? _pdbx_nmr_exptl_sample.concentration_units mg/mL _pdbx_nmr_exptl_sample.isotopic_labeling ? _pdbx_nmr_exptl_sample.solution_id 1 # _pdbx_nmr_constraints.disulfide_bond_constraints_total_count ? _pdbx_nmr_constraints.entry_id 2M3I _pdbx_nmr_constraints.hydrogen_bond_constraints_total_count ? _pdbx_nmr_constraints.NA_alpha-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_beta-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_chi-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_delta-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_epsilon-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_gamma-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_other-angle_constraints_total_count ? _pdbx_nmr_constraints.NA_sugar_pucker_constraints_total_count ? _pdbx_nmr_constraints.NOE_constraints_total ? _pdbx_nmr_constraints.NOE_interentity_total_count ? _pdbx_nmr_constraints.NOE_interproton_distance_evaluation ? _pdbx_nmr_constraints.NOE_intraresidue_total_count ? _pdbx_nmr_constraints.NOE_long_range_total_count ? _pdbx_nmr_constraints.NOE_medium_range_total_count ? _pdbx_nmr_constraints.NOE_motional_averaging_correction ? _pdbx_nmr_constraints.NOE_pseudoatom_corrections ? _pdbx_nmr_constraints.NOE_sequential_total_count ? _pdbx_nmr_constraints.protein_chi_angle_constraints_total_count ? _pdbx_nmr_constraints.protein_other_angle_constraints_total_count ? _pdbx_nmr_constraints.protein_phi_angle_constraints_total_count 5 _pdbx_nmr_constraints.protein_psi_angle_constraints_total_count ? # 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 6 ? ? -25.25 -53.71 2 2 PRO A 6 ? ? -33.61 -39.96 3 3 CYS A 2 ? ? -142.23 -48.39 4 3 PRO A 6 ? ? -28.81 -54.10 5 4 CYS A 2 ? ? -97.64 -69.01 6 4 CYS A 3 ? ? 68.85 -61.51 7 5 PRO A 6 ? ? -28.16 -48.33 8 6 CYS A 3 ? ? -165.35 -53.99 9 7 CYS A 3 ? ? 66.74 -63.39 10 10 CYS A 2 ? ? -87.46 -74.54 11 10 CYS A 3 ? ? 64.07 -46.38 12 12 CYS A 2 ? ? -83.93 -70.01 13 12 CYS A 3 ? ? 63.10 -69.17 14 12 CYS A 8 ? ? 176.66 -45.33 15 14 PRO A 6 ? ? -23.61 -57.75 16 15 CYS A 3 ? ? 63.95 -60.87 17 17 PRO A 6 ? ? -29.62 -61.64 18 20 PRO A 6 ? ? -33.61 -39.96 #